1 00:00:05,520 --> 00:00:08,080 >>WELCOME, EVERYONE, TO THE 2 00:00:08,080 --> 00:00:10,080 ASSAY GUIDANCE WORKSHOP ON 3D 3 00:00:10,080 --> 00:00:12,120 TISSUE MODELS FOR ANTIVIRAL DRUG 4 00:00:12,120 --> 00:00:13,720 DEVELOPMENT. 5 00:00:13,720 --> 00:00:15,520 I AM THE EDITOR-IN-CHIEF OF THE 6 00:00:15,520 --> 00:00:16,840 ASSAY GUIDANCE MANUAL AND THE 7 00:00:16,840 --> 00:00:18,680 LEAD OF THE ASSAY GUIDANCE 8 00:00:18,680 --> 00:00:20,520 MANUAL PROGRAM HERE AT THE 9 00:00:20,520 --> 00:00:22,280 NATIONAL CENTER FOR ADVANCING 10 00:00:22,280 --> 00:00:23,520 TRANSLATIONAL SCIENCES. 11 00:00:23,520 --> 00:00:24,840 AT THE NATIONAL INSTITUTES OF 12 00:00:24,840 --> 00:00:25,920 HEALTH. 13 00:00:25,920 --> 00:00:28,000 WE ARE EXTREMELY EXCITED TO HAVE 14 00:00:28,000 --> 00:00:30,840 YOU ALL JOIN US TODAY IN THIS 15 00:00:30,840 --> 00:00:33,040 EXCITING WORKSHOP THAT WILL RUN 16 00:00:33,040 --> 00:00:35,200 FOR TWO DAYS, TODAY, JUNE 7, AND 17 00:00:35,200 --> 00:00:39,040 TOMORROW, JUNE 8 AS WELL. 18 00:00:39,040 --> 00:00:44,080 SO THIS WORKSHOP WAS ORGANIZED 19 00:00:44,080 --> 00:00:45,720 BY THE NATIONAL CENTER FOR 20 00:00:45,720 --> 00:00:47,600 ADVANCING TRANSLATIONAL SCIENCES 21 00:00:47,600 --> 00:00:49,840 AS WELL AS THE BILL AND MELINDA 22 00:00:49,840 --> 00:00:51,680 GATES FOUNDATION, AS WELL AS THE 23 00:00:51,680 --> 00:00:52,720 NATIONAL INSTITUTES OF ALLERGY 24 00:00:52,720 --> 00:00:54,440 AND INFECTIOUS DISEASES. 25 00:00:54,440 --> 00:00:57,960 AND WE'RE GOING TO START THE 26 00:00:57,960 --> 00:00:59,400 PROGRAM TODAY BY INTRODUCTORY 27 00:00:59,400 --> 00:01:01,360 COMMENTS BY LEADERSHIP FROM 28 00:01:01,360 --> 00:01:02,240 THESE THREE INSTITUTES. 29 00:01:02,240 --> 00:01:05,400 WE'LL START WITH DR. JONI 30 00:01:05,400 --> 00:01:06,840 RUTTER, WHO'S THE ACTING 31 00:01:06,840 --> 00:01:07,920 DIRECTOR OF THE NATIONAL CENTER 32 00:01:07,920 --> 00:01:10,320 FOR ADVANCING TRANSLATIONAL 33 00:01:10,320 --> 00:01:12,520 SCIENCES AT THE NATIONAL 34 00:01:12,520 --> 00:01:12,960 INSTITUTES OF HEALTH. 35 00:01:12,960 --> 00:01:14,560 WE'RE REALLY EXCITED TO HAVE YOU 36 00:01:14,560 --> 00:01:18,400 HERE, JONI. 37 00:01:18,400 --> 00:01:18,640 WELCOME. 38 00:01:18,640 --> 00:01:21,360 THANK YOU SO MUCH FOR BEING 39 00:01:21,360 --> 00:01:21,920 HERE. 40 00:01:21,920 --> 00:01:22,800 WE'RE LOOKING FORWARD TO HEARING 41 00:01:22,800 --> 00:01:23,560 YOUR COMMENTS. 42 00:01:23,560 --> 00:01:24,360 THE FLOOR IS YOURS. 43 00:01:24,360 --> 00:01:25,600 >> OKAY. 44 00:01:25,600 --> 00:01:27,400 THANK YOU SO MUCH, IT'S REALLY A 45 00:01:27,400 --> 00:01:28,920 PLEASURE TO BE HERE. 46 00:01:28,920 --> 00:01:29,800 HELLO, EVERYONE, AND WELCOME TO 47 00:01:29,800 --> 00:01:30,640 THE MEETING. 48 00:01:30,640 --> 00:01:33,640 AGAIN, MY NAME IS JONI RUTTER, 49 00:01:33,640 --> 00:01:37,120 ACTING DIRECTOR OF NCATS. 50 00:01:37,120 --> 00:01:38,960 BEFORE I BEGIN, I WANT TO THANK 51 00:01:38,960 --> 00:01:42,680 SEVERAL OF OUR PARTNERS FOR THE 52 00:01:42,680 --> 00:01:43,680 FORESIGHT AND VISION FOR THIS 53 00:01:43,680 --> 00:01:44,120 MEETING. 54 00:01:44,120 --> 00:01:46,520 AND THOSE INCLUDE 55 00:01:46,520 --> 00:01:47,320 REPRESENTATIVES FROM EACH OF 56 00:01:47,320 --> 00:01:48,600 THOSE ORGANIZATIONS THAT YOU SEE 57 00:01:48,600 --> 00:01:53,320 LISTED THERE ON THAT SLIDE. 58 00:01:53,320 --> 00:01:55,600 RUDOLPHO, MINDY, ANNE, TIM AND 59 00:01:55,600 --> 00:01:58,560 MARK ALL FROM NIAID WHO'VE 60 00:01:58,560 --> 00:02:00,400 REALLY HELPED FROM THEIR 61 00:02:00,400 --> 00:02:01,800 PERSPECTIVE BRING IMPORTANT 62 00:02:01,800 --> 00:02:02,440 CONTRIBUTIONS TO THIS MEETING. 63 00:02:02,440 --> 00:02:04,880 I'D LIKE TO ALSO THANK TIM 64 00:02:04,880 --> 00:02:06,640 DUNCAN AND ROBERT JORDAN FROM 65 00:02:06,640 --> 00:02:07,640 THE BILL AND MELINDA GATES 66 00:02:07,640 --> 00:02:08,720 FOUNDATION FOR THEIR SUPPORT AS 67 00:02:08,720 --> 00:02:13,760 WELL AND THEN ALSO CAL, MARK, 68 00:02:13,760 --> 00:02:17,920 STEPHANIE, MATT, EMILY, ALL FROM 69 00:02:17,920 --> 00:02:19,240 NCATS, CONTRIBUTING THEIR 70 00:02:19,240 --> 00:02:23,160 PERSPECTIVES, AND THEN 71 00:02:23,160 --> 00:02:25,800 ESPECIALLY AS YOU'VE HEARD 72 00:02:25,800 --> 00:02:27,560 SERENE AND ABIGAIL WHO HAVE BEEN 73 00:02:27,560 --> 00:02:31,240 VERY MUCH HELPING US ORK STATE 74 00:02:31,240 --> 00:02:33,120 THIS ENTIRE EFFORT. 75 00:02:33,120 --> 00:02:35,320 SO THANK YOU TO ESPECIALLY 76 00:02:35,320 --> 00:02:37,040 ABIGAIL AND SERENE FOR PULLING 77 00:02:37,040 --> 00:02:38,240 THIS MEETING TOGETHER AND ALL 78 00:02:38,240 --> 00:02:39,440 THE OTHER PARTNERS AND 79 00:02:39,440 --> 00:02:40,640 CONTRIBUTORS WHO HAVE HELPED 80 00:02:40,640 --> 00:02:42,520 BRING THIS MEETING AND THE 81 00:02:42,520 --> 00:02:47,000 AGENDA WHICH IS INCREDIBLY 82 00:02:47,000 --> 00:02:49,440 FANTASTIC TO THE FORE HERE. 83 00:02:49,440 --> 00:02:50,920 THIS MEETING SEEKS TO GUIDE THE 84 00:02:50,920 --> 00:02:53,040 DEVELOPMENT OF STANDARDIZED 3D 85 00:02:53,040 --> 00:02:56,840 CELLULAR ASSAYS WITH THE HOPE OF 86 00:02:56,840 --> 00:02:57,840 HELPING THE COMMUNITY TO 87 00:02:57,840 --> 00:03:00,160 SUCCESSFULLY AND MORE 88 00:03:00,160 --> 00:03:02,120 EFFICIENTLY DEVELOP, TEST, 89 00:03:02,120 --> 00:03:03,760 VALIDATE AND DEPLOY THERAPEUTICS 90 00:03:03,760 --> 00:03:08,640 FOR FUTURE PANDEMIC THREATS. 91 00:03:08,640 --> 00:03:09,880 AND THEREFORE ALSO PROVIDE PROOF 92 00:03:09,880 --> 00:03:11,040 OF CONCEPT FOR THESE MODELS THAT 93 00:03:11,040 --> 00:03:12,520 CAN DO THE SAME FOR OTHER PUBLIC 94 00:03:12,520 --> 00:03:13,040 HEALTH MATTERS. 95 00:03:13,040 --> 00:03:16,880 AND RIGHT NOW, THESE 3D MODELS 96 00:03:16,880 --> 00:03:18,160 ARE SOPHISTICATED TOOLS IN THE 97 00:03:18,160 --> 00:03:19,480 TOOLBOX, BUT CAN THEY BE MORE? 98 00:03:19,480 --> 00:03:21,920 CAN THEY BE PARADIGM-SHIFTING IN 99 00:03:21,920 --> 00:03:23,120 A SPACE OF THERAPEUTICS 100 00:03:23,120 --> 00:03:24,720 DEVELOPMENT THAT IS IN DIRE NEED 101 00:03:24,720 --> 00:03:25,320 OF TRANSFORMATION? 102 00:03:25,320 --> 00:03:27,040 SO OUR MISSION AT NCATS IS TO 103 00:03:27,040 --> 00:03:28,560 CATALYZE THE GENERATION OF 104 00:03:28,560 --> 00:03:30,200 INNOVATIVE METHODS AND 105 00:03:30,200 --> 00:03:31,840 TECHNOLOGIES THAT WILL ENHANCE 106 00:03:31,840 --> 00:03:32,960 THE DEVELOPMENT, TESTING AND 107 00:03:32,960 --> 00:03:34,720 IMPLEMENTATION OF PLATFORM 108 00:03:34,720 --> 00:03:35,760 DIAGNOSTICS AND THERAPEUTICS 109 00:03:35,760 --> 00:03:37,880 ACROSS A WIDE RANGE OF HUMAN 110 00:03:37,880 --> 00:03:40,200 DISEASES AND CONDITIONS, AND 111 00:03:40,200 --> 00:03:42,240 ALWAYS WITH AN EYE TOWARDS 112 00:03:42,240 --> 00:03:45,760 TURNING PROMISING RESEARCH 113 00:03:45,760 --> 00:03:48,360 DISCOVERIES INTO HEALTH 114 00:03:48,360 --> 00:03:49,240 SOLUTIONS. 115 00:03:49,240 --> 00:03:51,760 AND OUR STRATEGY AT NCATS IS 116 00:03:51,760 --> 00:03:52,200 TWOFOLD. 117 00:03:52,200 --> 00:03:53,480 EVERY PROJECT WE TAKE ON 118 00:03:53,480 --> 00:03:56,360 ADVANCES THE SCIENCE OF THE 119 00:03:56,360 --> 00:03:57,440 PARTICULAR PROJECT AT HAND, BUT 120 00:03:57,440 --> 00:04:00,840 IT ALSO SEEKS TO IDENTIFY AND 121 00:04:00,840 --> 00:04:02,720 ADDRESS COSTLY AND 122 00:04:02,720 --> 00:04:03,560 TIME-CONSUMING BOTTLENECKS THAT 123 00:04:03,560 --> 00:04:04,960 SLOW DOWN OR PREVENT THE 124 00:04:04,960 --> 00:04:06,520 TRANSLATION OF RESEARCH. 125 00:04:06,520 --> 00:04:08,600 AND SO WE SEEK TO INCREASE THE 126 00:04:08,600 --> 00:04:12,200 PACE OF RESEARCH BY TESTING AND 127 00:04:12,200 --> 00:04:13,080 DEVELOPING THERAPEUTIC SO THAT 128 00:04:13,080 --> 00:04:15,400 WE CAN ADVANCE ON THE SCALE OF 129 00:04:15,400 --> 00:04:17,240 MANY DISEASES AT A TIME, NOT 130 00:04:17,240 --> 00:04:18,880 JUST ONE DISEASE AT A TIME. 131 00:04:18,880 --> 00:04:21,280 AND OUR ULTIMATE DRIVING HOPE IS 132 00:04:21,280 --> 00:04:22,720 TO GET MORE TREATMENTS TO ALL 133 00:04:22,720 --> 00:04:23,680 PEOPLE MORE QUICKLY. 134 00:04:23,680 --> 00:04:26,320 AND LOTS OF TIMES THAT'S REALLY 135 00:04:26,320 --> 00:04:29,480 THROUGH ENABLING AND DE-RISKING 136 00:04:29,480 --> 00:04:30,720 PLATFORM-BASED TECHNOLOGIES FOR 137 00:04:30,720 --> 00:04:32,240 THERAPEUTIC DEVELOPMENT. 138 00:04:32,240 --> 00:04:33,880 LIKE 3D TISSUE MODELS THAT WE'RE 139 00:04:33,880 --> 00:04:34,600 TALKING ABOUT OVER THE NEXT 140 00:04:34,600 --> 00:04:35,520 COUPLE OF DAYS. 141 00:04:35,520 --> 00:04:38,920 SO IMAGINE IF THE 3D MODELS ARE 142 00:04:38,920 --> 00:04:40,560 SUCCESSFUL AT INCREASING OUR 143 00:04:40,560 --> 00:04:44,720 ABILITY TO ADDRESS TOXICOLOGICAL 144 00:04:44,720 --> 00:04:46,560 ISSUES OR EFFICACY PREDICTIONS, 145 00:04:46,560 --> 00:04:48,320 FOR EXAMPLE, THEN WE CAN HASTEN 146 00:04:48,320 --> 00:04:49,720 NEEDED NEW DRUG DEVELOPMENT 147 00:04:49,720 --> 00:04:50,760 APPROACHES THAT WOULD OTHERWISE 148 00:04:50,760 --> 00:04:52,800 TAKE DECADES. 149 00:04:52,800 --> 00:04:54,080 OR WE COULD ENSURE THAT THERE 150 00:04:54,080 --> 00:04:57,080 ARE PROVEN OFF THE SHELF HUMAN 151 00:04:57,080 --> 00:04:59,560 CELL-BASED MODELS FOR DRUG 152 00:04:59,560 --> 00:05:00,560 REPURPOSING EFFORTS IN TIME OF 153 00:05:00,560 --> 00:05:02,320 URGENCY WHERE AN ANIMAL MODEL, 154 00:05:02,320 --> 00:05:05,120 FOR EXAMPLE, MAY NOT BE 155 00:05:05,120 --> 00:05:06,920 ULTIMATELY AS HELPFUL AS HUMAN 156 00:05:06,920 --> 00:05:08,120 CELL-BASED MODELS OR WHERE THEY 157 00:05:08,120 --> 00:05:09,200 MAY BE A LITTLE BIT MORE 158 00:05:09,200 --> 00:05:11,360 LIMITING BECAUSE OF MULTIPLE 159 00:05:11,360 --> 00:05:13,760 CO-MORBIDITY TYPES OF 160 00:05:13,760 --> 00:05:14,120 CONDITIONS. 161 00:05:14,120 --> 00:05:15,560 SO THESE ARE THE IMPORTANT KINDS 162 00:05:15,560 --> 00:05:16,600 OF THINGS WE'LL BE TALKING ABOUT 163 00:05:16,600 --> 00:05:17,600 OVER THE NEXT COUPLE OF DAYS. 164 00:05:17,600 --> 00:05:20,360 NOW IN 2019, THERE WAS A DRUG 165 00:05:20,360 --> 00:05:24,400 DISCOVERY TODAY ARTICLE THAT 166 00:05:24,400 --> 00:05:27,120 PURPORTED THE POTENTIAL OF 3D 167 00:05:27,120 --> 00:05:29,560 MODELS COULD REDUCE R & D DRUG 168 00:05:29,560 --> 00:05:33,080 COSTS BY UPWARDS OF 26%. 169 00:05:33,080 --> 00:05:34,800 WHERE IMPROVEMENTS IN CLINICAL 170 00:05:34,800 --> 00:05:35,880 TRIAL SUCCESS PREDICTION RATES 171 00:05:35,880 --> 00:05:36,880 WOULD REALLY BE THE MAIN DRIVERS 172 00:05:36,880 --> 00:05:39,600 OF WHERE THOSE ANTICIPATED COSTS 173 00:05:39,600 --> 00:05:43,320 COULD FIND -- WE COULD FIND COST 174 00:05:43,320 --> 00:05:43,880 SAVINGS. 175 00:05:43,880 --> 00:05:45,960 AND WE KNOW ABOUT 85 TO 90% OF 176 00:05:45,960 --> 00:05:51,000 DRUG CANDIDATE ARE -- THEY FAIL 177 00:05:51,000 --> 00:05:52,400 BECAUSE OF DRUG EFFICACY 178 00:05:52,400 --> 00:05:53,960 CONCERNS OR SAFETY CONCERNS, AND 179 00:05:53,960 --> 00:05:55,160 THAT'S WHERE THOSE COST SAVINGS 180 00:05:55,160 --> 00:05:57,000 ARE LURKING, AND IF THAT'S THE 181 00:05:57,000 --> 00:05:59,720 MAJOR DRIVE OF R & D COSTS, THEN 182 00:05:59,720 --> 00:06:01,240 BETTER PREDICTIVE MODELS COULD 183 00:06:01,240 --> 00:06:02,800 HELP CHIP AWAY AT THOSE COSTS SO 184 00:06:02,800 --> 00:06:06,280 WE NEED TO FIND WAYS TO GET THEM 185 00:06:06,280 --> 00:06:07,280 INCULCATED INTO THE 186 00:06:07,280 --> 00:06:10,640 TRANSLATIONAL DRUG DEVELOPMENT 187 00:06:10,640 --> 00:06:11,960 IN THE GENERAL ECOSYSTEM FOR 188 00:06:11,960 --> 00:06:12,720 DRUG DEVELOPMENT. 189 00:06:12,720 --> 00:06:17,680 IN ADDITION TO TALKING ABOUT 190 00:06:17,680 --> 00:06:18,760 2019 IN THAT ARTICLE, THEY ALSO 191 00:06:18,760 --> 00:06:19,600 SUGGESTED THE TECHNOLOGY WILL 192 00:06:19,600 --> 00:06:21,160 HELP TO MAKE QUICKER AND MORE 193 00:06:21,160 --> 00:06:22,800 PRECISE DECISIONS DURING THESE 194 00:06:22,800 --> 00:06:24,560 PRE-CLINICAL STAGES OF DRUG 195 00:06:24,560 --> 00:06:24,840 DEVELOPMENT. 196 00:06:24,840 --> 00:06:28,920 SO THE PROMISE OF 3D MODELS IS 197 00:06:28,920 --> 00:06:30,160 REALLY -- THERE IS STILL A LONG 198 00:06:30,160 --> 00:06:31,560 ROAD AHEAD TO UNDERSTAND WHETHER 199 00:06:31,560 --> 00:06:32,600 THAT PROMISE WILL BECOME A 200 00:06:32,600 --> 00:06:33,520 REALITY AND THIS MEETING NEEDS 201 00:06:33,520 --> 00:06:35,720 TO HELP FOCUS AND SHAPE THE PATH 202 00:06:35,720 --> 00:06:37,480 FORWARD IN THE CRITICAL AREA OF 203 00:06:37,480 --> 00:06:40,440 ANTIVIRAL DRUG DEVELOPMENT. 204 00:06:40,440 --> 00:06:43,040 IN TERMS OF REGULATORY ADOPTION, 205 00:06:43,040 --> 00:06:44,560 THERE ARE BIG QUALIFICATION 206 00:06:44,560 --> 00:06:46,200 CHALLENGES THAT 3D MODELS NEED 207 00:06:46,200 --> 00:06:47,720 TO MEET BEFORE WIDER ADOPTION 208 00:06:47,720 --> 00:06:50,360 WILL ULTIMATELY BE SEEN. 209 00:06:50,360 --> 00:06:52,240 WE NEED TO GET HIGHER HUMAN 210 00:06:52,240 --> 00:06:53,880 RELEVANCE AND DISEASE RELEVANCE 211 00:06:53,880 --> 00:06:55,960 EARLIER IN THE DRUG DEVELOPMENT 212 00:06:55,960 --> 00:06:57,160 PIPELINE FOR THOSE TO REALLY 213 00:06:57,160 --> 00:06:59,000 MANIFEST AND TAKE EFFECT, AND 214 00:06:59,000 --> 00:07:01,200 ANTIVIRAL DRUG DEVELOPMENT IS A 215 00:07:01,200 --> 00:07:03,720 RIPE AREA FOR THIS TO BE DONE SO 216 00:07:03,720 --> 00:07:04,840 THERE'S NO TIME LIKE THE PRESENT 217 00:07:04,840 --> 00:07:06,640 AND CERTAINLY THIS PARTICULAR 218 00:07:06,640 --> 00:07:08,640 MEETING WILL HELP TO ADDRESS 219 00:07:08,640 --> 00:07:09,200 THAT. 220 00:07:09,200 --> 00:07:11,080 AND I WANT TO HIGHLIGHT THREE 221 00:07:11,080 --> 00:07:12,360 KEY AREAS THAT I HOPE WILL BE 222 00:07:12,360 --> 00:07:15,320 DISCUSSED DURING OUR NEXT TWO 223 00:07:15,320 --> 00:07:20,120 DAYS TOGETHER. 224 00:07:20,120 --> 00:07:21,440 FIRST ARE SOME HIGH LEEFL 225 00:07:21,440 --> 00:07:22,960 OUTSTANDING QUESTIONS AND BIG 226 00:07:22,960 --> 00:07:23,680 CHALLENGES THAT ARE STILL AT 227 00:07:23,680 --> 00:07:23,960 PLAY. 228 00:07:23,960 --> 00:07:25,480 WE NEED TO ESTABLISH AND BEGIN 229 00:07:25,480 --> 00:07:28,000 TO QUANTIFY THE CLINICAL 230 00:07:28,000 --> 00:07:29,520 PREDICTABILITY OF 3D TISSUE 231 00:07:29,520 --> 00:07:30,080 MODELS. 232 00:07:30,080 --> 00:07:32,600 HOW GOOD ARE THEY IN 233 00:07:32,600 --> 00:07:33,800 RECAPITULATING DISEASES OF 234 00:07:33,800 --> 00:07:34,360 INTEREST? 235 00:07:34,360 --> 00:07:36,000 WHAT IS THE PHYSIOLOGICAL 236 00:07:36,000 --> 00:07:37,720 COMPLEXITY NEEDED IN A TISSUE 237 00:07:37,720 --> 00:07:39,240 MODEL TO BEST PREDICT THE 238 00:07:39,240 --> 00:07:40,680 CLINICAL RESPONSES? 239 00:07:40,680 --> 00:07:42,560 HOW IMPORTANT ARE THE IMMUNE 240 00:07:42,560 --> 00:07:43,760 COMPONENTS OR ENDOTHELIAL 241 00:07:43,760 --> 00:07:45,600 COMPONENTS IN THESE MODELS? 242 00:07:45,600 --> 00:07:47,120 AND ASSESSING WHETHER THE TISSUE 243 00:07:47,120 --> 00:07:48,880 HAS THE APPROPRIATE SET OF 244 00:07:48,880 --> 00:07:50,200 BIOMARKERS, WHETHER THOSE 245 00:07:50,200 --> 00:07:53,280 BIOMARKERS BE FOR PREDICTIVE 246 00:07:53,280 --> 00:07:54,680 PURPOSES OR SAFETY PURPOSES OR 247 00:07:54,680 --> 00:07:57,320 MONITORING PURPOSES. 248 00:07:57,320 --> 00:07:59,040 ASSESSING THOSE BIOMARKERS FOR 249 00:07:59,040 --> 00:08:00,720 EVALUATING AND ACCURATELY 250 00:08:00,720 --> 00:08:02,440 DISTINGUISHING NORMAL AND 251 00:08:02,440 --> 00:08:03,880 DISEASE STATES AND HOW THOSE 252 00:08:03,880 --> 00:08:05,280 BIOMARKERS CAN BE USED IN TERMS 253 00:08:05,280 --> 00:08:07,920 OF CONTEXT OF USE FOR THOSE 3D 254 00:08:07,920 --> 00:08:09,000 MODELS IS GOING TO BE IMPORTANT. 255 00:08:09,000 --> 00:08:10,920 WHAT'S THE BIOLOGY AND THE 256 00:08:10,920 --> 00:08:12,280 PATHOLOGY THAT THESE MODELS WILL 257 00:08:12,280 --> 00:08:13,640 REPORT ON. 258 00:08:13,640 --> 00:08:14,920 AND THEN VALIDATING THAT THEY 259 00:08:14,920 --> 00:08:16,760 CAN PREDICT PHARMACOLOGICAL 260 00:08:16,760 --> 00:08:18,200 RESPONSES OR THERAPEUTICS IN 261 00:08:18,200 --> 00:08:21,800 HUMANS FROM BOTH A SAFETY AND 262 00:08:21,800 --> 00:08:23,120 TOX STANDPOINT AS WELL AS AN 263 00:08:23,120 --> 00:08:24,680 EFFICACY STANDPOINT, THESE ARE 264 00:08:24,680 --> 00:08:25,760 ALL OPEN QUESTIONS THAT ARE 265 00:08:25,760 --> 00:08:28,280 LIKELY TO BE MODEL AND 266 00:08:28,280 --> 00:08:28,720 QUESTION-DEPENDENT. 267 00:08:28,720 --> 00:08:30,920 SO WE NEED TO DEVELOP MULTIPLE 268 00:08:30,920 --> 00:08:32,760 MODELS TO REFLECT A VARIETY OF 269 00:08:32,760 --> 00:08:33,960 DIFFERENT, FOR EXAMPLE, 270 00:08:33,960 --> 00:08:35,800 CARDIOVASCULAR OR HEPATIC OR 271 00:08:35,800 --> 00:08:38,440 NEURONAL OR IMMUNE TOXICITIES, 272 00:08:38,440 --> 00:08:39,760 FOR EXAMPLE, OR FOCUS ON AREAS 273 00:08:39,760 --> 00:08:42,800 WHERE NO PHYSIOLOGICALLY OR 274 00:08:42,800 --> 00:08:43,680 PHARMACOLOGICALLY RELEVANT 275 00:08:43,680 --> 00:08:45,320 MODELS ARE AVAILABLE. 276 00:08:45,320 --> 00:08:48,600 AND THESE ARE AREAS SUCH AS RARE 277 00:08:48,600 --> 00:08:49,600 DISEASES OR RARE CANCERS OR EVEN 278 00:08:49,600 --> 00:08:53,080 IP FORECASTTIOUS EVEN 279 00:08:53,080 --> 00:08:53,880 INFECTIOUS DISEASES WE'LL BE 280 00:08:53,880 --> 00:08:54,640 TALKING ABOUT. 281 00:08:54,640 --> 00:08:55,840 THE SECOND ISSUE IS WITH THESE 282 00:08:55,840 --> 00:08:56,920 MAJOR GAPS STILL IN THE FIELD, 283 00:08:56,920 --> 00:08:59,000 HOW CAN WE IMPROVE UPON THEM? 284 00:08:59,000 --> 00:09:01,320 SO TECHNOLOGICAL ROBUSTNESS AND 285 00:09:01,320 --> 00:09:02,720 REPRODUCIBILITY FOR SCREENING 286 00:09:02,720 --> 00:09:04,240 ASSAYS IS ONE OF THE KEY 287 00:09:04,240 --> 00:09:04,560 CHALLENGES. 288 00:09:04,560 --> 00:09:06,200 AND AS WE ACHIEVE HIGHER 289 00:09:06,200 --> 00:09:09,520 COMPLEXITY IN OUR 3D MODELS, HOW 290 00:09:09,520 --> 00:09:13,120 CAN WE REGAIN GROUND IN 291 00:09:13,120 --> 00:09:15,320 IDENTIFYING A SORT OF MEDIUM TO 292 00:09:15,320 --> 00:09:16,920 HIGH THROUGHPUT ASSAYS FOR 293 00:09:16,920 --> 00:09:18,600 SCREENING FOR THESE TYPES OF 3D 294 00:09:18,600 --> 00:09:19,040 MODELS. 295 00:09:19,040 --> 00:09:20,840 AS YOU INCREASE COMPLEXITY IN 296 00:09:20,840 --> 00:09:22,720 THE 3D MODELS, YOU TEND TO LOSE 297 00:09:22,720 --> 00:09:24,680 THAT HIGH-THROUGHPUT APPROACHES 298 00:09:24,680 --> 00:09:26,480 FOR ASSAYS, SO HOW CAN WE REGAIN 299 00:09:26,480 --> 00:09:28,640 SOME OF THAT MEDIUM OR 300 00:09:28,640 --> 00:09:29,000 HIGH-THROUGHPUT. 301 00:09:29,000 --> 00:09:30,600 HOW CAN WE PERSONALIZE TISSUE 302 00:09:30,600 --> 00:09:31,800 MODELS SO THAT WE CAN ENSURE 303 00:09:31,800 --> 00:09:34,240 THAT MODELS REPRESENT DISEASE 304 00:09:34,240 --> 00:09:35,880 AND POPULATION HETEROGENEITY TO 305 00:09:35,880 --> 00:09:38,160 BETION ENSURE 306 00:09:38,160 --> 00:09:39,560 BEST ENSURE THE RESULTS ARE 307 00:09:39,560 --> 00:09:40,000 GENERALIZABLE. 308 00:09:40,000 --> 00:09:41,640 THEN HOW DO WE INTEGRATE THOSE 309 00:09:41,640 --> 00:09:43,520 TISSUE MODELS EARLIER IN THE 310 00:09:43,520 --> 00:09:44,520 DRUG DISCOVERY PIPELINE? 311 00:09:44,520 --> 00:09:45,720 THIS IS HUGELY CRITICAL. 312 00:09:45,720 --> 00:09:46,920 I THINK ONE OF THE KEY ASPECTS 313 00:09:46,920 --> 00:09:49,600 OF THIS IS UNDERSTANDING HOW 314 00:09:49,600 --> 00:09:51,400 HUMAN RELEVANCE OF TOXICITY IN 315 00:09:51,400 --> 00:09:53,440 ANIMAL STUDIES, BY DOING 316 00:09:53,440 --> 00:09:55,440 COMPARATIVE MEDICINE RESEARCH IN 317 00:09:55,440 --> 00:09:58,280 3D ANIMAL MODELS COMPARED TO 3D 318 00:09:58,280 --> 00:10:00,880 HUMAN MODELS OF KNOWN COMPOUNDS, 319 00:10:00,880 --> 00:10:04,080 FOR EXAMPLE, THAT DIDN'T SHOW 320 00:10:04,080 --> 00:10:06,440 THAT -- THAT SHOWED FAILURE IN 321 00:10:06,440 --> 00:10:07,800 THE HUMAN CONTEXT BUT ACTUALLY 322 00:10:07,800 --> 00:10:09,000 DIDN'T SHOW FAILURE IN THE 323 00:10:09,000 --> 00:10:10,120 ANIMAL CONTEXT, THAT'S GOING TO 324 00:10:10,120 --> 00:10:11,760 BE IMPORTANT TO GO 325 00:10:11,760 --> 00:10:12,720 RETROSPECTIVELY TO UNDERSTAND 326 00:10:12,720 --> 00:10:14,920 WHY THAT IS AND IN WHAT AREAS 327 00:10:14,920 --> 00:10:16,320 THOSE TEND TO HAPPEN. 328 00:10:16,320 --> 00:10:18,400 SO THOSE KINDS OF RETROSPECTIVE 329 00:10:18,400 --> 00:10:19,400 EXPERIMENTS ARE GOING TO BE 330 00:10:19,400 --> 00:10:20,720 IMPORTANT FOR GAINING CONFIDENCE 331 00:10:20,720 --> 00:10:23,000 IN HUMAN CELL-BASED MODELS GOING 332 00:10:23,000 --> 00:10:23,440 FORWARD. 333 00:10:23,440 --> 00:10:25,280 AND THEN WORKING WITH REGULATORY 334 00:10:25,280 --> 00:10:26,920 AGENCIES TO DEVELOP GUIDELINES, 335 00:10:26,920 --> 00:10:28,240 WHAT NEEDS TO BE DONE FOR THESE 336 00:10:28,240 --> 00:10:30,680 MODELS TO BE BROADLY ADAPTED BY 337 00:10:30,680 --> 00:10:32,840 PHARMA AND BY REGULATORY 338 00:10:32,840 --> 00:10:34,600 AGENCIES FOR IND FILING, WHAT'S 339 00:10:34,600 --> 00:10:36,320 GOING TO BE NEEDED FOR THE 340 00:10:36,320 --> 00:10:37,240 REGULATORY PACKAGES SUBMITTED. 341 00:10:37,240 --> 00:10:38,320 THESE ARE OTHER ISSUES THAT NEED 342 00:10:38,320 --> 00:10:39,400 TO BE UNDERSTOOD. 343 00:10:39,400 --> 00:10:41,040 AND THEN OF COURSE BACK TO 344 00:10:41,040 --> 00:10:43,680 BIOMARKERS, DEVELOPING THE 345 00:10:43,680 --> 00:10:45,400 QUANTITATIVE ASSAYS THAT 346 00:10:45,400 --> 00:10:46,960 BIOMARKERS CAN HELP SUPPORT FOR 347 00:10:46,960 --> 00:10:48,720 CLINICAL END POINTS IN 3D MODELS 348 00:10:48,720 --> 00:10:49,800 ARE ANOTHER, OF COURSE, KEY 349 00:10:49,800 --> 00:10:53,280 AREA. 350 00:10:53,280 --> 00:10:54,280 LASTLY, WHAT ARE THE BIGGEST 351 00:10:54,280 --> 00:10:55,720 OPPORTUNITIES FOR THE ANTIVIRAL 352 00:10:55,720 --> 00:10:56,680 DRUG DEVELOPMENT SPACE, AND 353 00:10:56,680 --> 00:10:57,800 THAT'S GOING TO BE THE FOCUS OF 354 00:10:57,800 --> 00:10:58,640 THIS CONVERSATION OVER THE NEXT 355 00:10:58,640 --> 00:11:00,840 COUPLE OF DAYS, BUT HOW CAN 3D 356 00:11:00,840 --> 00:11:02,160 MODELS HELP US PREPARE BETTER 357 00:11:02,160 --> 00:11:03,440 FOR THE CURRENT AND THE NEXT 358 00:11:03,440 --> 00:11:04,120 PANDEMIC. 359 00:11:04,120 --> 00:11:05,000 THAT'S A KEY QUESTION. 360 00:11:05,000 --> 00:11:07,520 SO THERE ARE MANY SCIENTIFIC 361 00:11:07,520 --> 00:11:08,480 TECHNOLOGICAL AND REGULATORY 362 00:11:08,480 --> 00:11:09,600 CHALLENGES THAT STILL REMAIN, 363 00:11:09,600 --> 00:11:12,320 BUT THE 3D MODEL AND THE FIELD 364 00:11:12,320 --> 00:11:16,160 THAT IS REALLY SORT OF COME ON 365 00:11:16,160 --> 00:11:18,360 THE SCENE IN FULL FORCE HAS 366 00:11:18,360 --> 00:11:20,200 SHOWN REMARKABLE 367 00:11:20,200 --> 00:11:21,160 PREDIBILITIABILITY DURING COVID 368 00:11:21,160 --> 00:11:23,160 AND THE 3D MODELS HAVE A BIG 369 00:11:23,160 --> 00:11:25,560 PLACE IN ADVANCING OUR DRUG 370 00:11:25,560 --> 00:11:26,200 DEVELOPMENT GAIN. 371 00:11:26,200 --> 00:11:30,680 SO THE UTION VISION FOR T 372 00:11:30,680 --> 00:11:32,320 DRIVE UTILITY AND ADOPTION OF 373 00:11:32,320 --> 00:11:34,640 THESE 3D MODELS, WORK TOWARDS 374 00:11:34,640 --> 00:11:35,840 THE HARMONIZATION OF REGULATORY 375 00:11:35,840 --> 00:11:37,080 USE AND STANDARDIZATION OF 376 00:11:37,080 --> 00:11:38,440 PLATFORMS AND THEN CHART A PATH 377 00:11:38,440 --> 00:11:41,960 FORWARD THAT WILL EP ABLE US O 378 00:11:41,960 --> 00:11:43,000 BETTER BE PREPARED FOR TREATING 379 00:11:43,000 --> 00:11:44,600 NOT JUST THE CURRENT COVID 380 00:11:44,600 --> 00:11:45,360 PANDEMIC, BUT TO BE MORE 381 00:11:45,360 --> 00:11:47,680 PREPARED FOR ANY FUTURE PUBLIC 382 00:11:47,680 --> 00:11:48,320 HEALTH CRISES. 383 00:11:48,320 --> 00:11:49,840 SO WITH THAT, I WANT TO THANK 384 00:11:49,840 --> 00:11:51,160 AGAIN ALL OF THE SPEAKERS FOR 385 00:11:51,160 --> 00:11:53,000 JOINING US TODAY. 386 00:11:53,000 --> 00:11:55,400 IT'S A LITANY OF REALLY BIG 387 00:11:55,400 --> 00:11:56,840 QUESTIONS AND BIG TOPICS TO 388 00:11:56,840 --> 00:11:58,720 DISCUSS, BUT I KNOW THAT THIS 389 00:11:58,720 --> 00:12:00,000 GROUP WILL PULL TOGETHER AND 390 00:12:00,000 --> 00:12:01,000 IDENTIFY A REALLY GOOD PATH 391 00:12:01,000 --> 00:12:01,200 FORWARD. 392 00:12:01,200 --> 00:12:02,520 SO I LOOK FORWARD TO A VERY 393 00:12:02,520 --> 00:12:04,400 PRODUCTIVE MEETING, AND WITH 394 00:12:04,400 --> 00:12:07,560 THAT, SARINE, I'LL TURN IT BACK 395 00:12:07,560 --> 00:12:09,200 TO YOU TO USHER FORWARD TO THE 396 00:12:09,200 --> 00:12:09,800 NEXT SPEAKERS. 397 00:12:09,800 --> 00:12:11,280 >> THANK YOU VERY MUCH, JONI, 398 00:12:11,280 --> 00:12:12,360 FOR LAYING DOWN THE CHALLENGES 399 00:12:12,360 --> 00:12:14,320 AND THE VISION SO CLEARLY. 400 00:12:14,320 --> 00:12:16,200 WE APPRECIATE IT. 401 00:12:16,200 --> 00:12:16,920 OKAY. 402 00:12:16,920 --> 00:12:19,360 SO OUR NEXT INTRODUCTORY SPEAKER 403 00:12:19,360 --> 00:12:22,560 IS DR. ROBERT JORDAN, WHO IS A 404 00:12:22,560 --> 00:12:24,720 SENIOR PROGRAM OFFICER FROM THE 405 00:12:24,720 --> 00:12:26,240 BILL AND MELINDA GATES 406 00:12:26,240 --> 00:12:27,560 FOUNDATION. 407 00:12:27,560 --> 00:12:28,680 WELCOME, ROB. 408 00:12:28,680 --> 00:12:34,720 THE FLOOR IS YOURS. 409 00:12:34,720 --> 00:12:36,560 >> GREAT. 410 00:12:36,560 --> 00:12:37,000 THANKS, SARINE. 411 00:12:37,000 --> 00:12:47,200 COULD YOU ACTIVATE MY CAMERA? 412 00:12:47,200 --> 00:12:55,200 IT SAYS THE HOST HAS STOPPED IT. 413 00:12:55,200 --> 00:12:55,520 GREAT. 414 00:12:55,520 --> 00:12:56,120 THANK YOU VERY MUCH. 415 00:12:56,120 --> 00:12:58,400 >> THANK YOU. 416 00:12:58,400 --> 00:13:01,200 >> THANKS, IS SARINE, FOR THAT 417 00:13:01,200 --> 00:13:02,760 INTRODUCTION, AND JONI FOR THE 418 00:13:02,760 --> 00:13:03,840 REALLY NICE INTRODUCTORY 419 00:13:03,840 --> 00:13:04,360 COMMENTS. 420 00:13:04,360 --> 00:13:06,600 I THOUGHT TODAY AS AN 421 00:13:06,600 --> 00:13:07,640 INTRODUCTION, I WANTED TO TALK A 422 00:13:07,640 --> 00:13:11,240 LITTLE BIT ABOUT THE BILL AND 423 00:13:11,240 --> 00:13:12,680 MELINDA GATES FOUNDATION, WHO WE 424 00:13:12,680 --> 00:13:16,400 ARE, WHAT WE DO, AND HOW WE'RE 425 00:13:16,400 --> 00:13:17,440 THINKING ABOUT CULTURES IN THE 426 00:13:17,440 --> 00:13:19,280 DRUG DEVELOPMENT AND DISCOVERY 427 00:13:19,280 --> 00:13:19,600 PROCESS. 428 00:13:19,600 --> 00:13:21,000 I PUT TOGETHER A FEW SLIDE THAT 429 00:13:21,000 --> 00:13:31,160 I'D LIKE TO SHARE. 430 00:13:31,160 --> 00:13:32,160 TO HELP DESCRIBE SOME OF THE 431 00:13:32,160 --> 00:13:33,480 WORK THAT WE'RE DOING IN THE 432 00:13:33,480 --> 00:13:36,400 SPACE. 433 00:13:36,400 --> 00:13:38,720 SO THE DRIVING PHILOSOPHY AT THE 434 00:13:38,720 --> 00:13:40,800 FOUNDATION IS THAT ALL LIVES 435 00:13:40,800 --> 00:13:42,800 HAVE EQUAL VALUE, AND THAT WE 436 00:13:42,800 --> 00:13:47,880 WANT TO DEVELOP PROGRAMS THAT 437 00:13:47,880 --> 00:13:48,440 WILL ENABLE EVERYONE IN THE 438 00:13:48,440 --> 00:13:49,880 WORLD TO LIVE HEALTHY AND 439 00:13:49,880 --> 00:13:53,480 PRODUCTIVE LIVES. 440 00:13:53,480 --> 00:13:55,040 SO WE HAVE REALLY FOUR MAJOR 441 00:13:55,040 --> 00:13:56,880 MISSIONS WE'RE WORKING ON AT THE 442 00:13:56,880 --> 00:13:57,520 FOUNDATION. 443 00:13:57,520 --> 00:13:58,720 FOCUSED ON CHILDREN AND YOUNG 444 00:13:58,720 --> 00:14:00,800 PEOPLE, TO HELP THEM SURVIVE AND 445 00:14:00,800 --> 00:14:02,560 THRIVE, EMPOWER THE POOREST, 446 00:14:02,560 --> 00:14:03,960 ESPECIALLY WOMEN AND GIRLS, TO 447 00:14:03,960 --> 00:14:05,840 HELP TRANSFORM THEIR LIVES. 448 00:14:05,840 --> 00:14:08,240 WE'RE WORKING ON DEVELOPING 449 00:14:08,240 --> 00:14:09,560 THERAPEUTICS, VACCINES, 450 00:14:09,560 --> 00:14:12,080 BIOLOGICS TO TREAT INFECTIOUS 451 00:14:12,080 --> 00:14:13,280 DISEASES, ESPECIALLY THOSE THAT 452 00:14:13,280 --> 00:14:15,800 AFFECT THE POOREST PEOPLE IN THE 453 00:14:15,800 --> 00:14:17,360 WORLD, AS WELL AS INSPIRE PEOPLE 454 00:14:17,360 --> 00:14:19,400 AT THE LOCAL LEVEL TO TAKE 455 00:14:19,400 --> 00:14:21,720 ACTION TO CHANGE, TO CHANGE 456 00:14:21,720 --> 00:14:23,240 LIVES, AND HOW WE DO THIS IS 457 00:14:23,240 --> 00:14:24,840 THROUGH GRANTEES AND PARTNERS, 458 00:14:24,840 --> 00:14:28,600 WHICH ARE THE CENTER OF OUR 459 00:14:28,600 --> 00:14:28,920 WORK. 460 00:14:28,920 --> 00:14:30,480 WE LIKE TO WORK TOGETHER WITH 461 00:14:30,480 --> 00:14:31,440 OUR GRANTEES AND PARTNERS TO 462 00:14:31,440 --> 00:14:33,520 TAKE RISKS, TO PUSH BOUNDARIES, 463 00:14:33,520 --> 00:14:34,920 TO DEVELOP NEW SCIENCE AND ALSO 464 00:14:34,920 --> 00:14:38,160 TO HARNESS THE POWER OF SCIENCE 465 00:14:38,160 --> 00:14:39,960 AND TECHNOLOGY TO DEVELOP 466 00:14:39,960 --> 00:14:40,960 THERAPEUTIC AND OTHER PROGRAMS. 467 00:14:40,960 --> 00:14:43,040 SO THIS WORK DOESN'T HAPPEN IN A 468 00:14:43,040 --> 00:14:44,160 VACUUM OBVIOUSLY, WE LIKE TO 469 00:14:44,160 --> 00:14:45,800 WORK WITH OTHER GOVERNMENTS, 470 00:14:45,800 --> 00:14:48,960 PRIVATE ORGANIZATIONS, 471 00:14:48,960 --> 00:14:50,600 COMMUNITIES, NON-PROFITS AND 472 00:14:50,600 --> 00:14:51,680 INDIVIDUALS TO HELP PROGRESS OUR 473 00:14:51,680 --> 00:14:52,440 PROGRAMS. 474 00:14:52,440 --> 00:14:54,080 ONE OF THE THINGS THAT WE ARE 475 00:14:54,080 --> 00:14:56,160 FOCUSED ON AT THE FOUNDATION IS 476 00:14:56,160 --> 00:14:57,920 GLOBAL HEALTH EQUITY, AND WHAT 477 00:14:57,920 --> 00:15:01,640 WE'VE SEEN IN THE PAST AND MOST 478 00:15:01,640 --> 00:15:02,840 RECENTLY, FOR EXAMPLE, WITH 479 00:15:02,840 --> 00:15:03,920 COVID VACCINES IS WHILE WE ARE 480 00:15:03,920 --> 00:15:06,240 ABLE TO DEVELOP PHENOMENAL 481 00:15:06,240 --> 00:15:08,200 THERAPEUTICS, THEY DON'T ALWAYS 482 00:15:08,200 --> 00:15:11,240 GET TO PEOPLE WHO NEED IT THE 483 00:15:11,240 --> 00:15:12,560 MOST OR GET TO PEOPLE AROUND THE 484 00:15:12,560 --> 00:15:14,120 WORLD IN AN EQUITABLE FASHION. 485 00:15:14,120 --> 00:15:16,840 FOR EXAMPLE, THE MRNA VACCINES 486 00:15:16,840 --> 00:15:19,000 THAT WERE DEVELOPED WHICH ARE 487 00:15:19,000 --> 00:15:20,800 HIGHLY EFFECTIVE AT REDUCING 488 00:15:20,800 --> 00:15:24,720 DISEASE SEVERITY FROM SARS-COV-2 489 00:15:24,720 --> 00:15:28,000 INFECTION AND PREVENTING 490 00:15:28,000 --> 00:15:28,640 INFECTION WERE PRIMARILY 491 00:15:28,640 --> 00:15:29,840 DISTRIBUTED IN HIGH INCOME 492 00:15:29,840 --> 00:15:31,080 COUNTRIES, BUT SIGNIFICANTLY 493 00:15:31,080 --> 00:15:33,200 LAGGED IN THEIR DISTRIBUTION IN 494 00:15:33,200 --> 00:15:35,640 LOW AND MIDDLE INCOME COUNTRIES. 495 00:15:35,640 --> 00:15:38,360 AND SO IN ALL OUR WORK, WE LOOK 496 00:15:38,360 --> 00:15:41,000 FOR GLOBAL SOLUTIONS, PRODUCTS 497 00:15:41,000 --> 00:15:45,360 THAT ARE SUITABLE FOR USE 498 00:15:45,360 --> 00:15:46,680 EVERYWHERE ACROSS THE GLOBE THAT 499 00:15:46,680 --> 00:15:48,880 CAN BE REGISTERED IN A TIMELY 500 00:15:48,880 --> 00:15:49,960 FASHION SO THEY CAN GET TO THE 501 00:15:49,960 --> 00:15:52,160 PEOPLE WHO NEED THEM MOST, AND 502 00:15:52,160 --> 00:15:54,160 WE WANT TO AVOID PRODUCT 503 00:15:54,160 --> 00:15:55,120 NATIONALISM AND WE WANT 504 00:15:55,120 --> 00:15:56,640 ESSENTIALLY TO HAVE EQUAL ACCESS 505 00:15:56,640 --> 00:15:59,400 TO ALL OF THESE THERAPEUTICS. 506 00:15:59,400 --> 00:16:02,240 SO IN ALL OF OUR GRANTS AND OUR 507 00:16:02,240 --> 00:16:03,200 PARTNERSHIPS, WE HAVE THESE 508 00:16:03,200 --> 00:16:05,280 GLOBAL ACCESS PROVISIONS THAT WE 509 00:16:05,280 --> 00:16:07,280 WANT TO FOLLOW TO MAKE SURE THAT 510 00:16:07,280 --> 00:16:10,440 PRODUCTS DEVELOPED CAN BE USED 511 00:16:10,440 --> 00:16:12,720 ACROSS THE GLOBE. 512 00:16:12,720 --> 00:16:14,040 SO SOME OF THE WORK WE'VE DONE 513 00:16:14,040 --> 00:16:18,160 IN THE COVID-19 SPACE AND SOME 514 00:16:18,160 --> 00:16:19,840 OF THE LESSONS WE'VE LEARNED, 515 00:16:19,840 --> 00:16:22,360 FIRST WE REALIZED THAT WE WERE 516 00:16:22,360 --> 00:16:23,120 UNPREPARED, GIVEN THAT THERE WAS 517 00:16:23,120 --> 00:16:25,000 A LACK OF INVESTMENT IN 518 00:16:25,000 --> 00:16:26,840 DEVELOPMENT OF ANTIVIRALS, 519 00:16:26,840 --> 00:16:29,000 ESPECIALLY THOSE TARGETING MANY 520 00:16:29,000 --> 00:16:30,800 OF THE READILY TRANSMISSIBLE 521 00:16:30,800 --> 00:16:31,760 VIRAL FAMILIES. 522 00:16:31,760 --> 00:16:33,480 WE DIDN'T HAVE ANY STRONG 523 00:16:33,480 --> 00:16:36,800 THERAPEUTICS AVAILABLE WHEN 524 00:16:36,800 --> 00:16:40,600 SARS-COV-2 PANDEMIC STARTED. 525 00:16:40,600 --> 00:16:47,160 WE ALSO FOUND AND WE SPENT A 526 00:16:47,160 --> 00:16:51,320 LONG -- INVESTMENT TO REPURPOSE 527 00:16:51,320 --> 00:16:52,960 COMPOUNDS FOR SARS-COV-2. 528 00:16:52,960 --> 00:16:55,280 WHILE THERE WERE SOME FOR SEVERE 529 00:16:55,280 --> 00:16:57,000 AND LATE DISEASE CONTEXT, THERE 530 00:16:57,000 --> 00:16:58,360 WAS VERY FEW THAT COULD BE 531 00:16:58,360 --> 00:17:00,400 REPURPOSED EFFECTIVELY TO TREAT 532 00:17:00,400 --> 00:17:02,480 MILD TO MODERATE DISEASE OR TO 533 00:17:02,480 --> 00:17:04,120 PREVENT A TRANSMISSION IN 534 00:17:04,120 --> 00:17:05,640 POPULATIONS. 535 00:17:05,640 --> 00:17:06,760 SO WE REALIZE THAT THERE'S A 536 00:17:06,760 --> 00:17:09,840 NEED TO FOCUS UPSTREAM IN THE 537 00:17:09,840 --> 00:17:11,440 COURSE OF DISEASE AND DEVELOP 538 00:17:11,440 --> 00:17:13,680 THERAPEUTICS THAT CAN BE READILY 539 00:17:13,680 --> 00:17:14,960 DEPLOYED IN THE EVENT OF AN 540 00:17:14,960 --> 00:17:17,720 OUTBREAK SITUATION. 541 00:17:17,720 --> 00:17:18,920 SO A LOT OF THE WORK THAT WE'RE 542 00:17:18,920 --> 00:17:20,200 FOCUSED ON MOVING FORWARD IS TO 543 00:17:20,200 --> 00:17:23,160 TRY TO DEVELOP ANTIVIRAL 544 00:17:23,160 --> 00:17:24,920 THERAPEUTICS THAT WOULD BE PHASE 545 00:17:24,920 --> 00:17:27,560 2 READY OR CLINIC-READY IN CASE 546 00:17:27,560 --> 00:17:29,960 OF AN OUTBREAK OF A NEW PANDEMIC 547 00:17:29,960 --> 00:17:30,280 THREAT AGENT. 548 00:17:30,280 --> 00:17:31,680 AND THE VIRUS FAMILIES THAT WE 549 00:17:31,680 --> 00:17:34,400 WERE INTERESTED IN LOOKING AT 550 00:17:34,400 --> 00:17:45,280 ARE CORONAVIRUS WITH A MIX O 551 00:17:45,280 --> 00:17:46,240 DEVELOP VIRAL AND HOST TARGETS 552 00:17:46,240 --> 00:17:48,520 WOULD BE DIRECTLY APPLICABLE TO 553 00:17:48,520 --> 00:17:50,400 VIRUS REPLICATION, OR 554 00:17:50,400 --> 00:17:51,600 STIMULATING HOST INNATE 555 00:17:51,600 --> 00:17:53,480 RESPONSES TO PREVENT INFECTION. 556 00:17:53,480 --> 00:17:57,280 AND WE'RE ALSO EXPLORING SOME 557 00:17:57,280 --> 00:17:59,320 OTHER MODALITIES THAT COULD BE 558 00:17:59,320 --> 00:18:05,280 CONSIDERED PROGRAMMABLE, SUCH AS 559 00:18:05,280 --> 00:18:06,920 SIRNAs OR CRISPR TECHNOLOGIES. 560 00:18:06,920 --> 00:18:08,120 WE'RE ALSO IN OTHER ASPECTS OF 561 00:18:08,120 --> 00:18:10,520 THE FOUNDATION LOOKING AT NEW 562 00:18:10,520 --> 00:18:13,360 VACCINES AND BIOLOGICS AS WELL. 563 00:18:13,360 --> 00:18:19,280 AND SO WHAT WE LIKE TO DO IS TO 564 00:18:19,280 --> 00:18:22,320 SUPPORT EARLY SCIENCE AND TOOLS 565 00:18:22,320 --> 00:18:24,960 AVAILABLE ACROSS THE GLOBE FOR 566 00:18:24,960 --> 00:18:28,360 RESEARCHERS TO ENGAGE IN -- 567 00:18:28,360 --> 00:18:29,560 PHARMA, BIOTECH, NON-PROFITS, 568 00:18:29,560 --> 00:18:30,760 AND WE HAVE A COMMITMENT TO DATA 569 00:18:30,760 --> 00:18:33,960 SHARING SO THE WORK WE SUPPORT 570 00:18:33,960 --> 00:18:35,240 SHOULD BE AVAILABLE TO 571 00:18:35,240 --> 00:18:36,760 RESEARCHERS ACROSS THE GLOBE. 572 00:18:36,760 --> 00:18:40,800 AND WE ALSO LIKE TO PARTNER WITH 573 00:18:40,800 --> 00:18:43,560 OTHER GOVERNMENT AGENCIES, 574 00:18:43,560 --> 00:18:44,640 ACADEMIC INSTITUTIONS, 575 00:18:44,640 --> 00:18:46,520 COMMERCIAL AND PHILANTHROPIC 576 00:18:46,520 --> 00:18:48,040 FUNDERS TO SUPPORT THIS WORK, 577 00:18:48,040 --> 00:18:51,160 AND FOR EXAMPLE, WE'VE PARTNERED 578 00:18:51,160 --> 00:18:57,680 WITH NOVANORTIS FOUNDATION TO 579 00:18:57,680 --> 00:18:59,720 PUT TOGETHER AN INITIATIVE TO 580 00:18:59,720 --> 00:19:01,360 SUPPORT SMALL MOLECULE DRUG 581 00:19:01,360 --> 00:19:03,040 DEVELOPMENT FOR PANDEMIC THREAT 582 00:19:03,040 --> 00:19:04,440 PATHOGENS. 583 00:19:04,440 --> 00:19:06,640 SO HOW DO WE VIEW ORGANOIDS IN 584 00:19:06,640 --> 00:19:09,680 THIS PROCESS FOR ANTIVIRAL 585 00:19:09,680 --> 00:19:10,160 DISCOVERY? 586 00:19:10,160 --> 00:19:12,640 WE THINK THAT THE ORGANOIDS 587 00:19:12,640 --> 00:19:14,960 REPRESENT A GOOD MODEL SYSTEM 588 00:19:14,960 --> 00:19:17,560 FOR COMPLEX BIOLOGY, AN 589 00:19:17,560 --> 00:19:18,640 INTERMEDIARY BETWEEN THE WHOLE 590 00:19:18,640 --> 00:19:21,040 ANIMAL, PRIMARY TISSUES AND CELL 591 00:19:21,040 --> 00:19:21,640 CULTURAL. 592 00:19:21,640 --> 00:19:25,880 THEY'RE RELATIVELY EASY TO USE, 593 00:19:25,880 --> 00:19:27,080 OBVIOUSLY TECHNICALLY DIFFICULT 594 00:19:27,080 --> 00:19:29,160 TO PUT TOGETHER BUT MORE EASY TO 595 00:19:29,160 --> 00:19:31,480 USE RELATIVE TO PRIMARY TISSUES 596 00:19:31,480 --> 00:19:32,360 AND ANIMALS. 597 00:19:32,360 --> 00:19:34,520 WE FEEL THAT THERE COULD BE A 598 00:19:34,520 --> 00:19:36,080 BETTER TRANSLATION OF THE DATA 599 00:19:36,080 --> 00:19:38,600 GENERATED IN THESE 3D CULTURES 600 00:19:38,600 --> 00:19:40,560 TO HUMAN STUDIES. 601 00:19:40,560 --> 00:19:42,080 IT ALSO HELPS REMOVE SOME OF THE 602 00:19:42,080 --> 00:19:43,320 ETHICAL ISSUES SURROUNDING USE 603 00:19:43,320 --> 00:19:49,000 OF ANIMALS, AND THERE COULD BE 604 00:19:49,000 --> 00:19:50,960 BETTER TRANSLATION OF THE DATA, 605 00:19:50,960 --> 00:19:53,240 GIVEN THAT THERE'S LARGER SAMPLE 606 00:19:53,240 --> 00:19:56,720 SIZES TO IMPROVE STATISTICS FOR 607 00:19:56,720 --> 00:19:57,280 THERAPEUTIC EVALUATION. 608 00:19:57,280 --> 00:19:58,600 SO THESE ARE SOME OF THE IDEAS 609 00:19:58,600 --> 00:20:00,960 THAT WE'RE THINKING WITH IN ABON 610 00:20:00,960 --> 00:20:03,600 TERMS OF THESE 3D CULTURES AND 611 00:20:03,600 --> 00:20:05,120 HOW THEY CAN BE USED IN THE 612 00:20:05,120 --> 00:20:05,920 DISCOVERY PROCESS. 613 00:20:05,920 --> 00:20:07,120 THIS SLIDE SHOWS THE EVOLUTION 614 00:20:07,120 --> 00:20:11,480 OF SOME OF THE ORGANOID OR 3D 615 00:20:11,480 --> 00:20:12,560 CULTURE SYSTEMS OVER TIME. 616 00:20:12,560 --> 00:20:16,280 ON THE RIGHT-HAND SIDE, THERE 617 00:20:16,280 --> 00:20:19,240 ARE EXAMPLES OF ORGANOIDS USE IN 618 00:20:19,240 --> 00:20:21,480 SARS-COV-2 RESEARCH IN DRUG 619 00:20:21,480 --> 00:20:23,920 SCREENING TO IDENTIFY NOVEL 620 00:20:23,920 --> 00:20:25,600 ANTIVIRALS THAT WEREN'T 621 00:20:25,600 --> 00:20:28,320 DISCOVERED IN 2D CULTURES THAT 622 00:20:28,320 --> 00:20:32,360 WOULD BE -- COULD BE 623 00:20:32,360 --> 00:20:33,800 EFFECTIVE -- POTENTIALLY 624 00:20:33,800 --> 00:20:36,400 EFFECTIVE ANTIVIRALS TO TREAT 625 00:20:36,400 --> 00:20:41,960 SARS-COV-2 INFECTIONS, TO STUDY 626 00:20:41,960 --> 00:20:43,120 NEUROTROPISM, 3D CULTURE MODELS 627 00:20:43,120 --> 00:20:44,960 THAT COULD ALSO INCLUDE IMMUNE 628 00:20:44,960 --> 00:20:46,240 COMPONENTS TO UNDERSTAND THE 629 00:20:46,240 --> 00:20:49,480 IMMUNE RESPONSE TO INFECTION, AS 630 00:20:49,480 --> 00:20:51,800 WELL AS JUST STUDIES TO LOOK AT 631 00:20:51,800 --> 00:20:55,880 RECEPTOR USAGE TO UNDERSTAND 632 00:20:55,880 --> 00:20:56,640 PATHOGENESIS OF INFECTION. 633 00:20:56,640 --> 00:20:58,400 SO THERE ARE A LOT OF 634 00:20:58,400 --> 00:21:00,000 APPLICATIONS FOR 3D CULTURES IN 635 00:21:00,000 --> 00:21:02,320 THE ANTIVIRAL DRUG DISCOVERY AND 636 00:21:02,320 --> 00:21:03,640 DEVELOPMENT SPACE. 637 00:21:03,640 --> 00:21:09,000 THE ORGANOIDS, WE HAVE AN 638 00:21:09,000 --> 00:21:09,960 ORGANOID CONSORTIUM AT THE 639 00:21:09,960 --> 00:21:10,640 FOUNDATION THAT'S ACTUALLY 640 00:21:10,640 --> 00:21:12,840 LOOKING AT THE USE OF 3D 641 00:21:12,840 --> 00:21:13,920 CULTURES IN A NUMBER OF 642 00:21:13,920 --> 00:21:15,440 DIFFERENT THERAPEUTIC AREAS WE 643 00:21:15,440 --> 00:21:17,640 ARE INTERESTED IN, AND WE'RE 644 00:21:17,640 --> 00:21:19,600 FOCUSED ON STANDARDIZING AND 645 00:21:19,600 --> 00:21:21,160 BENCHMARKING THESE MODELS, 646 00:21:21,160 --> 00:21:23,640 MAKING PROTOCOLS SCALABLE AND 647 00:21:23,640 --> 00:21:25,000 REPRODUCIBLE SO THAT THEY CAN BE 648 00:21:25,000 --> 00:21:27,680 USED BY OTHER INVESTIGATORS, 649 00:21:27,680 --> 00:21:29,440 DEVELOPING ORGANOID OR 3D 650 00:21:29,440 --> 00:21:32,640 CULTURE MODELS AND CONTAINMENT 651 00:21:32,640 --> 00:21:36,040 LABORATORIES FOR PATHOGEN WORK, 652 00:21:36,040 --> 00:21:37,680 AS ALSO UNDERSTANDING MICRO 653 00:21:37,680 --> 00:21:39,080 ENENVIRONMENT ENGAGEMENT AND 654 00:21:39,080 --> 00:21:40,920 STANDARDIZATION TO VERIFY AND 655 00:21:40,920 --> 00:21:42,680 VALIDATE SOME OF THESE MODEL 656 00:21:42,680 --> 00:21:43,120 SYSTEMS. 657 00:21:43,120 --> 00:21:44,800 SOME OF THE AREAS IN GLOBAL 658 00:21:44,800 --> 00:21:46,080 HEALTH WE'RE INTERESTED IN ARE 659 00:21:46,080 --> 00:21:47,400 OBVIOUSLY ANTIVIRALS, WE'RE 660 00:21:47,400 --> 00:21:49,560 INTERESTED IN NON-HORMONAL 661 00:21:49,560 --> 00:21:50,320 CONTRACEPTIVES, UNDERSTANDING 662 00:21:50,320 --> 00:21:52,200 THE IMPACT OF MICROBIOME IN 663 00:21:52,200 --> 00:21:54,040 SPECIFIC AREAS IN THE GUT AND 664 00:21:54,040 --> 00:22:02,480 THE VA VAGINAL ORGANOID MODELN 665 00:22:02,480 --> 00:22:06,760 BE USED TO CULTIVATE MICROBIOTA, 666 00:22:06,760 --> 00:22:08,200 VACCINE PRODUCTION, AS WELL AS 667 00:22:08,200 --> 00:22:09,840 STANDARD TOXICOLOGY FOR DRUG 668 00:22:09,840 --> 00:22:11,680 DISCOVERY AND DEVELOPMENT ACROSS 669 00:22:11,680 --> 00:22:14,840 THESE DIFFERENT THERAPEUTIC 670 00:22:14,840 --> 00:22:17,280 AREAS. 671 00:22:17,280 --> 00:22:19,120 SO WE HAVE A NUMBER OF QUESTIONS 672 00:22:19,120 --> 00:22:20,280 AND I'M SURE WE'RE GOING TO 673 00:22:20,280 --> 00:22:21,440 EXPLORE MANY OF THESE QUESTIONS 674 00:22:21,440 --> 00:22:23,120 IN THE NEXT TWO DAYS WITH SOME 675 00:22:23,120 --> 00:22:26,640 REALLY FANTASTIC TALKS. 676 00:22:26,640 --> 00:22:28,760 WHERE HAVE ORGANOIDS BEEN MOST 677 00:22:28,760 --> 00:22:30,080 SUCCESSFUL IN THE DRUG DISCOVERY 678 00:22:30,080 --> 00:22:32,800 PROCESS AND FOR WHAT PURPOSE FOR 679 00:22:32,800 --> 00:22:36,280 UNDERSTANDING THE COMPLEX 680 00:22:36,280 --> 00:22:37,280 BIOLOGY, IDENTIFYING NEW TARGETS 681 00:22:37,280 --> 00:22:43,280 AND NEW BIOLOGY THRALD BE THAT E 682 00:22:43,280 --> 00:22:44,920 UNAVAILABLE IN 2D CULTURE 683 00:22:44,920 --> 00:22:46,040 SYSTEMS, ARE THESE BETTER 684 00:22:46,040 --> 00:22:47,760 TRANSLATION FROM THE IN VITRO TO 685 00:22:47,760 --> 00:22:51,600 THE HUMAN SYSTEMS. 686 00:22:51,600 --> 00:22:53,560 AND WHAT GAPS REMAIN IN 687 00:22:53,560 --> 00:22:55,880 REALIZING THE IMPACT OF THESE 3D 688 00:22:55,880 --> 00:22:58,280 CULTURE SYSTEMS AND HOW CAN WE 689 00:22:58,280 --> 00:22:59,800 STANDARDIZE THESE SYSTEMS FOR 690 00:22:59,800 --> 00:23:06,040 DRUG DISCOVERY AND DEVELOPMENT? 691 00:23:06,040 --> 00:23:08,120 AND WHAT WILL IT TAKE TO EXPAND 692 00:23:08,120 --> 00:23:09,760 ACCESS TO AND UTILIZATION OF 693 00:23:09,760 --> 00:23:11,240 THESE MODELS IN DRUG DISCOVERY, 694 00:23:11,240 --> 00:23:12,480 WHERE WOULD THE HIGHEST VALUE BE 695 00:23:12,480 --> 00:23:14,440 IN TERMS OF FUTURE FOR INCREASED 696 00:23:14,440 --> 00:23:15,000 UTILIZATION? 697 00:23:15,000 --> 00:23:16,320 SO THESE ARE A NUMBER OF 698 00:23:16,320 --> 00:23:17,200 QUESTIONS I'M SURE WE'RE GOING 699 00:23:17,200 --> 00:23:18,200 TO BE TALKING ABOUT MANY OF 700 00:23:18,200 --> 00:23:21,320 THESE IN THE TALKS TO FOLLOW. 701 00:23:21,320 --> 00:23:23,440 SO WITH THAT, I'LL TURN IT BACK 702 00:23:23,440 --> 00:23:26,840 TO SARINE. 703 00:23:26,840 --> 00:23:28,440 >> THANK YOU SO MUCH, ROBERT, 704 00:23:28,440 --> 00:23:31,520 FOR THAT WONDERFUL COMMENTS. 705 00:23:31,520 --> 00:23:32,160 OKAY. 706 00:23:32,160 --> 00:23:37,640 SO THE NEXT SPEAKER FOR 707 00:23:37,640 --> 00:23:40,960 INTRODUCTORY COMMENTS IS 708 00:23:40,960 --> 00:23:46,960 DR. EMILYER EMILY ERBELDINGE 709 00:23:46,960 --> 00:23:47,840 NATIONAL INSTITUTES OF ALLERGY 710 00:23:47,840 --> 00:23:50,760 AND INFECTIOUS DISEASES PART OF 711 00:23:50,760 --> 00:23:51,280 THE NATIONAL INSTITUTES OF 712 00:23:51,280 --> 00:23:52,640 HEALTH. 713 00:23:52,640 --> 00:23:55,280 EMILY, THE FLOOR IS YOURS. 714 00:23:55,280 --> 00:23:57,000 >> THANK YOU. 715 00:23:57,000 --> 00:24:03,240 I'M JUST SHARING MY SLIDES AND 716 00:24:03,240 --> 00:24:04,000 I -- HERE WE GO. 717 00:24:04,000 --> 00:24:05,400 SO THANK YOU FOR INVITING ME TO 718 00:24:05,400 --> 00:24:05,760 PRESENT. 719 00:24:05,760 --> 00:24:07,720 I WAS ASKED TO TALK A LITTLE BIT 720 00:24:07,720 --> 00:24:09,240 ABOUT -- TO REFLECT A LITTLE BIT 721 00:24:09,240 --> 00:24:13,200 BACK ON THE LESSONS LEARNED AT 722 00:24:13,200 --> 00:24:14,400 NIAID FROM THE PANDEMIC THAT 723 00:24:14,400 --> 00:24:15,600 WE'RE STILL EXPERIENCING AND A 724 00:24:15,600 --> 00:24:16,360 PATH FORWARD. 725 00:24:16,360 --> 00:24:19,640 IN PARTICULAR, WITH A FOCUS ON 726 00:24:19,640 --> 00:24:21,720 OUR PROTOTYPE PATHOGEN PLAN FOR 727 00:24:21,720 --> 00:24:23,360 ADDRESSING FUTURE PANDEMICS, 728 00:24:23,360 --> 00:24:26,960 READINESS FOR FUTURE PANDEMICS, 729 00:24:26,960 --> 00:24:28,840 WHICH MIGHT OFFER PERSPECTIVE 730 00:24:28,840 --> 00:24:30,240 FOR YOUR DELIBERATIONS OVER THE 731 00:24:30,240 --> 00:24:32,760 NEXT COUPLE DAYS. 732 00:24:32,760 --> 00:24:34,800 SO AT NIAID AND MORE BROADLY IT 733 00:24:34,800 --> 00:24:41,760 WAS RECOGNIZED THAT THERE WERE 734 00:24:41,760 --> 00:24:44,600 NUMEROUS CORONAVIRUS OUTBREAKS 735 00:24:44,600 --> 00:24:47,320 OCCURRING ABOUT EVERY 10 YEARS, 736 00:24:47,320 --> 00:24:51,600 WITH SARS AND THEN MERS, AND WE 737 00:24:51,600 --> 00:24:53,240 NEEDED TO BE PREPARED FOR A 738 00:24:53,240 --> 00:24:54,080 BIGGER CORONAVIRUS WHICH 739 00:24:54,080 --> 00:24:55,160 ACTUALLY HAPPENED IN LATE 2019 740 00:24:55,160 --> 00:24:58,440 AND CONTINUES TO THE PRESENT. 741 00:24:58,440 --> 00:25:00,480 SO IT WASN'T MAGIC, THE RAPID 742 00:25:00,480 --> 00:25:03,840 DEVELOPMENT OF VACCINES WASN'T 743 00:25:03,840 --> 00:25:04,080 MAGICAL. 744 00:25:04,080 --> 00:25:07,240 THERE WAS A LOT OF SCIENTIFIC 745 00:25:07,240 --> 00:25:08,760 EFFORT AND INVESTMENT THAT WENT 746 00:25:08,760 --> 00:25:10,280 IN A MULTIDISCIPLINARY 747 00:25:10,280 --> 00:25:11,800 INVESTMENTS IN STRUCTURAL 748 00:25:11,800 --> 00:25:13,560 BIOLOGY FOR CORONAVIRUS BECAUSE 749 00:25:13,560 --> 00:25:16,720 PEOPLE RECOGNIZED THAT THIS TYPE 750 00:25:16,720 --> 00:25:18,600 OF VIRUS HAD PANDEMIC POTENTIAL 751 00:25:18,600 --> 00:25:21,880 AND THE THREAT WAS THERE FOR AN 752 00:25:21,880 --> 00:25:23,200 UNPRECEDENTED PANDEMIC. 753 00:25:23,200 --> 00:25:25,040 SO I'M JUST GOING TO TELL YOU A 754 00:25:25,040 --> 00:25:26,480 LITTLE BIT ABOUT THIS STORY 755 00:25:26,480 --> 00:25:28,480 WHICH HAPPENED WITHIN NIAID AT 756 00:25:28,480 --> 00:25:32,160 THE VRC ALONG WITH EXTRAMURAL 757 00:25:32,160 --> 00:25:34,120 INVESTIGATORS. 758 00:25:34,120 --> 00:25:35,840 BACK MORE THAN 10 YEARS AGO, IT 759 00:25:35,840 --> 00:25:38,920 WAS RECOGNIZED BY BARNEY GRAHAM, 760 00:25:38,920 --> 00:25:41,120 WHO'S NOW RETIRED FROM THE VRC, 761 00:25:41,120 --> 00:25:45,400 THAT STRUCTURAL BIOLOGY DEFINING 762 00:25:45,400 --> 00:25:48,240 PARTICULARLY WITH RSV ENTRY 763 00:25:48,240 --> 00:25:51,840 PROTEINS, IF YOU COULD STABILIZE 764 00:25:51,840 --> 00:25:56,640 AN ENTRY PROTEIN IN ITS 765 00:25:56,640 --> 00:25:57,760 PRE-FUSION STRUCTURE USING 766 00:25:57,760 --> 00:26:01,240 VARIOUS TOOLS, YOU COULD IMPROVE 767 00:26:01,240 --> 00:26:04,080 ON ITS IMMUNOGENICITY AND THAT 768 00:26:04,080 --> 00:26:05,520 COULD PROVIDE A BASIS FOR A 769 00:26:05,520 --> 00:26:09,480 BETTER VACCINE FNLT SO THERE WAS 770 00:26:09,480 --> 00:26:11,520 SO THIS WAS ALSO APPLIED TO THE 771 00:26:11,520 --> 00:26:13,080 CORONAVIRUS SPIKE PROTEIN OF 772 00:26:13,080 --> 00:26:15,360 MERS, AND THIS WAS BACK 10 YEARS 773 00:26:15,360 --> 00:26:21,280 AGO, SO INTRODUCING A FEW 774 00:26:21,280 --> 00:26:22,640 MUTATIONS AT A CERTAIN PART OF 775 00:26:22,640 --> 00:26:24,120 THE SPIKE PROTEIN, YOU COULD 776 00:26:24,120 --> 00:26:26,200 STABILIZE IT IN ITS PRE-FUSION 777 00:26:26,200 --> 00:26:28,800 COMPLEX AND RATHER THAN 778 00:26:28,800 --> 00:26:32,760 INFUSING -- USING AS AN ANTIGEN 779 00:26:32,760 --> 00:26:34,200 VARIOUS CONFIRMATIONS OF THE 780 00:26:34,200 --> 00:26:36,800 PROTEIN, YOU COULD GENERATE A 781 00:26:36,800 --> 00:26:39,880 VERY PRECISE, BETTER ANTIBODIES, 782 00:26:39,880 --> 00:26:43,360 MORE PRECISELY TARGETED TO THE 783 00:26:43,360 --> 00:26:47,960 SPIKE PROTEIN THAT WOULD BE MORE 784 00:26:47,960 --> 00:26:48,960 IMMUNOGENIC THAN IF IT WASN'T 785 00:26:48,960 --> 00:26:52,000 HELD IN ITS PREFUSION 786 00:26:52,000 --> 00:26:52,440 CONFORMATION. 787 00:26:52,440 --> 00:26:54,400 SO VACCINES WERE IN THE EARLY 788 00:26:54,400 --> 00:26:55,280 STAGES OF DEVELOPMENT. 789 00:26:55,280 --> 00:26:57,240 IT WAS ALSO TESTED ON A SEASONAL 790 00:26:57,240 --> 00:26:58,800 CORONAVIRUS WHICH ALSO HAD A 791 00:26:58,800 --> 00:27:02,600 SPIKE PROTEIN, THE 792 00:27:02,600 --> 00:27:03,480 OC43 CORONAVIRUS AND IT WAS 793 00:27:03,480 --> 00:27:04,600 HYPOTHESIZED THAT THAT COULD BE 794 00:27:04,600 --> 00:27:07,960 A GENERALIZABLE SOLUTION TO 795 00:27:07,960 --> 00:27:11,360 DEVELOP A VACCINE FOR ANY 796 00:27:11,360 --> 00:27:11,880 CORONAVIRUS. 797 00:27:11,880 --> 00:27:14,400 SO AGAIN, ALL THE CORONAVIRUS 798 00:27:14,400 --> 00:27:15,720 HAVE THESE SPIKE PROTEINS, 799 00:27:15,720 --> 00:27:17,920 PUTTING SPECIFIC MUTATIONS AND 800 00:27:17,920 --> 00:27:20,680 SUBSTITUTING PROLINES IN A FEW 801 00:27:20,680 --> 00:27:24,720 SITES LED TO A STABLE PRE-FUSION 802 00:27:24,720 --> 00:27:28,640 FORM THAT PROVIDED THE BASIS FOR 803 00:27:28,640 --> 00:27:29,320 FIVE OF THE SIX VACCINES THAT 804 00:27:29,320 --> 00:27:34,000 WERE SUPPORTED IN DEVELOPMENT 805 00:27:34,000 --> 00:27:39,480 FOR THE SARS-COV-2 PANDEMIC. 806 00:27:39,480 --> 00:27:41,880 SO THIS SHORTENED TREMENDOUSLY 807 00:27:41,880 --> 00:27:43,000 THE STORY LINE WE HEAR IN THE 808 00:27:43,000 --> 00:27:44,960 PRESS IS SORT OF THAT IT WAS THE 809 00:27:44,960 --> 00:27:47,680 MIRACLE OF MRNA VACCINE PLATFORM 810 00:27:47,680 --> 00:27:49,960 THAT LED US TO BE SO RAPID IN 811 00:27:49,960 --> 00:27:50,960 OUR VACCINE DEVELOPMENT. 812 00:27:50,960 --> 00:27:52,280 BUT REALLY IT WAS YEARS AND 813 00:27:52,280 --> 00:27:54,800 YEARS OF THESE MULTIDISCIPLINARY 814 00:27:54,800 --> 00:27:57,720 TEAMS DEFINING THE STRUCTURE, 815 00:27:57,720 --> 00:27:58,760 TESTING DIFFERENT SUBSTITUTIONS 816 00:27:58,760 --> 00:28:01,560 TO PUT THE PROTEIN, THE ENTRY 817 00:28:01,560 --> 00:28:04,320 PROTEIN OF SARS, WELL, SARS 818 00:28:04,320 --> 00:28:07,040 1 ORIGINALLY BUT THEN OTHER 819 00:28:07,040 --> 00:28:09,120 CORONAVIRUS, TO GENERATE -- TO 820 00:28:09,120 --> 00:28:11,280 USE THAT STABILIZED PRE-FUSION 821 00:28:11,280 --> 00:28:12,960 PROTEIN TO GENERATE AN IMMUNE 822 00:28:12,960 --> 00:28:13,440 RESPONSE. 823 00:28:13,440 --> 00:28:16,440 AND THAT ALLOWED -- THOSE YEARS 824 00:28:16,440 --> 00:28:18,760 OF BASIC SCIENCE WORK AND 825 00:28:18,760 --> 00:28:19,720 TRANSLATIONAL -- EARLY 826 00:28:19,720 --> 00:28:23,000 TRANSLATIONAL WORK LED TO THE 827 00:28:23,000 --> 00:28:24,760 CORONAVIRUS VACCINE BEING 828 00:28:24,760 --> 00:28:26,160 DEVELOPED IN SUCH RAPID TIME, 829 00:28:26,160 --> 00:28:28,720 ALONG WITH THE ADVENT OF THE 830 00:28:28,720 --> 00:28:31,960 MRNA PLATFORM. 831 00:28:31,960 --> 00:28:34,360 SO THIS IS SORT OF THIS IDEA AND 832 00:28:34,360 --> 00:28:37,560 THE SUCCESS OF THIS, YOU KNOW, 833 00:28:37,560 --> 00:28:39,320 EARLY BASIC SCIENCE DISCOVERY, 834 00:28:39,320 --> 00:28:43,000 EARLY PRODUCT DEVELOPMENT AS DES 835 00:28:43,000 --> 00:28:45,240 SORT OF BEEN DEVELOPED INTO, I 836 00:28:45,240 --> 00:28:47,840 GUESS YOU'D SAY, AN APPROACH TO 837 00:28:47,840 --> 00:28:49,040 PANDEMIC PREPAREDNESS THAT NIAID 838 00:28:49,040 --> 00:28:51,760 HAS NOW ENDORSED AS A STRATEGIC 839 00:28:51,760 --> 00:28:54,520 PLAN FOR PREPARING -- FOR 840 00:28:54,520 --> 00:28:56,040 RESEARCH THAT WOULD PREPARE US 841 00:28:56,040 --> 00:28:58,000 FOR FUTURE PANDEMICS. 842 00:28:58,000 --> 00:28:59,200 THE IDEA GOES SOMETHING LIKE 843 00:28:59,200 --> 00:29:00,520 THIS, IF YOU THINK ABOUT VIRUSES 844 00:29:00,520 --> 00:29:02,160 THAT ARE OUT THERE THAT COULD 845 00:29:02,160 --> 00:29:03,360 SPILL FROM ANIMAL RESERVOIRS 846 00:29:03,360 --> 00:29:06,120 INTO THANK HUMANS, IT SEEMS E 847 00:29:06,120 --> 00:29:07,520 NUMBER IS INFINITE AND THE 848 00:29:07,520 --> 00:29:09,280 THREAT IS INFINITE BUT IF YOU 849 00:29:09,280 --> 00:29:10,720 BREAK THAT DOWN INTO 20 VIRAL 850 00:29:10,720 --> 00:29:13,000 FAMILIES THAT ARE RESPONSIBLE 851 00:29:13,000 --> 00:29:14,520 FOR HUMAN DISEASE AND IF YOU 852 00:29:14,520 --> 00:29:17,000 BREAK THAT DOWN FURTHER TO THE 853 00:29:17,000 --> 00:29:19,640 RNA VIRUSES THAT ARE LIKELY TO 854 00:29:19,640 --> 00:29:21,960 CAUSE SPILLOVER EVENTS BECAUSE 855 00:29:21,960 --> 00:29:24,040 OF THEIR HIGH MUTATION RATE, 856 00:29:24,040 --> 00:29:25,200 REALLY THERE'S LESS THAN 10 857 00:29:25,200 --> 00:29:26,320 VIRAL FAMILIES THAT PROBABLY 858 00:29:26,320 --> 00:29:29,640 HAVE PANDEMIC POTENTIAL. 859 00:29:29,640 --> 00:29:31,800 IF YOU COULD REPLICATE THE 860 00:29:31,800 --> 00:29:36,920 STEPS, THE EARLY SCIENCE STEPS 861 00:29:36,920 --> 00:29:39,000 IN SCIENCE THAT LED TO THE RAPID 862 00:29:39,000 --> 00:29:40,280 DEVELOPMENT OF THE MRNA VACCINES 863 00:29:40,280 --> 00:29:43,960 AND THE OTHER GENE-ENCODED 864 00:29:43,960 --> 00:29:45,240 VACCINES, IF YOU REPLICATE THOSE 865 00:29:45,240 --> 00:29:52,840 STEPS WITH DEFINING AN ANTIGENIC 866 00:29:52,840 --> 00:29:56,760 TARGET TESTING ANIMALS AND ALSO 867 00:29:56,760 --> 00:29:58,600 TESTING MONOCLONAL ANTIBODIES 868 00:29:58,600 --> 00:30:00,360 TESTING THAT SPECIFIC STRUCK 869 00:30:00,360 --> 00:30:02,760 TOOR FOR VIRAL ENTRY, YOU MIGHT 870 00:30:02,760 --> 00:30:04,280 BE WAY FARTHER ALONG SHOULD 871 00:30:04,280 --> 00:30:06,600 ANOTHER VIRUS IN THAT FAMILY 872 00:30:06,600 --> 00:30:09,120 BECOME -- CAUSE AN OUTBREAK THAT 873 00:30:09,120 --> 00:30:10,720 MIGHT LEAD TO AN EPIDEMIC OR 874 00:30:10,720 --> 00:30:13,360 EVEN A PANDEMIC. 875 00:30:13,360 --> 00:30:15,160 SO THIS, WE'RE CALLING THE 876 00:30:15,160 --> 00:30:16,640 PROTOTYPE PATHOGEN APPROACH TO 877 00:30:16,640 --> 00:30:18,520 ACCELERATE MEDICAL 878 00:30:18,520 --> 00:30:20,440 COUNTERMEASURES, VACCINES AND 879 00:30:20,440 --> 00:30:21,440 ALSO MONOCLONAL ANTIBODIES, SO 880 00:30:21,440 --> 00:30:22,720 CHOOSING THESE PROTOTYPE 881 00:30:22,720 --> 00:30:24,080 PATHOGENS WITHIN THE VIRAL 882 00:30:24,080 --> 00:30:26,480 FAMILIES HAS BECOME A FOCUS OF 883 00:30:26,480 --> 00:30:27,400 OUR THINKING OVER THE PAST 884 00:30:27,400 --> 00:30:31,000 SEVERAL MONTHS. 885 00:30:31,000 --> 00:30:32,400 SO OUTLINED ON THE SLIDE 886 00:30:32,400 --> 00:30:33,920 REPRESENTED ARE THE VIRAL 887 00:30:33,920 --> 00:30:35,880 FAMILIES OF CONCERN. 888 00:30:35,880 --> 00:30:37,520 THEY'RE ALL RNA VIRUSES BECAUSE 889 00:30:37,520 --> 00:30:38,640 WE KNOW THESE ARE THE VIRUSES 890 00:30:38,640 --> 00:30:40,600 THAT HAVE HIGH MUTATIONAL RATES 891 00:30:40,600 --> 00:30:42,920 AND, THEREFORE, WITH A LOT OF 892 00:30:42,920 --> 00:30:43,880 MISTAKES, MIGHT LEAD TO 893 00:30:43,880 --> 00:30:46,320 SOMETHING THAT BECOMES MORE 894 00:30:46,320 --> 00:30:48,360 TRANSMISSIBLE SOMETIMES OR MORE 895 00:30:48,360 --> 00:30:50,000 LIKELY TO BE PATHOGENIC IN 896 00:30:50,000 --> 00:30:51,640 HUMANS AND WHEN HUMANS COME INTO 897 00:30:51,640 --> 00:30:54,160 PROXIMITY WITH THEIR ZOONOTIC 898 00:30:54,160 --> 00:30:56,240 RESERVOIR, MORE LIKELY TO CAUSE 899 00:30:56,240 --> 00:30:57,640 DISEASE, POTENTIALLY CAUSE AN 900 00:30:57,640 --> 00:30:59,520 OUTBREAK AND MAYBE EVEN CAUSE A 901 00:30:59,520 --> 00:31:02,360 PANDEMIC. 902 00:31:02,360 --> 00:31:08,280 SO CORONAVIRUS AND ORTHO 903 00:31:08,280 --> 00:31:09,800 MYXOVIRADE HAVE BEEN OF CORNER 904 00:31:09,800 --> 00:31:12,120 FOR A WHILE BUT THERE ARE OTHER 905 00:31:12,120 --> 00:31:14,720 VIRUSES THAT ARE LESS UNDERSTOOD 906 00:31:14,720 --> 00:31:16,360 THAT HAVE FEWER VIRGINIA BEACH 907 00:31:16,360 --> 00:31:18,120 INVESTMENTS BUT PROBABLY STILL 908 00:31:18,120 --> 00:31:19,960 HAVE EPIDEMIC AND MAYBE EVEN 909 00:31:19,960 --> 00:31:20,640 PANDEMIC POTENTIAL. 910 00:31:20,640 --> 00:31:23,480 SO OUR RESEARCH STRATEGY OVER 911 00:31:23,480 --> 00:31:24,920 UPCOMING YEARS, BOTH INTRAMURAL 912 00:31:24,920 --> 00:31:26,760 AND EXTRAMURAL AT NIAID FOR 913 00:31:26,760 --> 00:31:27,960 PANDEMIC PREPAREDNESS, IS TO 914 00:31:27,960 --> 00:31:29,480 FOCUS ON THESE OTHER VIRAL 915 00:31:29,480 --> 00:31:31,240 FAMILIES. 916 00:31:31,240 --> 00:31:36,840 SO WE HAVE PROPOSED, WE HAVEN'T 917 00:31:36,840 --> 00:31:38,600 EVEN GOTTEN FUNDING TO FUND 918 00:31:38,600 --> 00:31:40,080 THESE CENTERS THAT WOULD DEVELOP 919 00:31:40,080 --> 00:31:42,640 VACCINES AND MONOCLONAL 920 00:31:42,640 --> 00:31:46,480 ANTIBODIES FOR PANDEMIC 921 00:31:46,480 --> 00:31:48,320 PREPAREDNESS, WE HAVE PROPOSED A 922 00:31:48,320 --> 00:31:54,640 FUND FOR MULTIDISCIPLINARY TEAMS 923 00:31:54,640 --> 00:31:55,960 EARLY WORKING ON CORONAVIRUS 924 00:31:55,960 --> 00:31:58,480 THAT LED TO RAPID DEVELOPMENT OF 925 00:31:58,480 --> 00:32:00,560 VACCINES AND THEN ALSO 926 00:32:00,560 --> 00:32:02,520 MONOCLONAL ANTIBODIES, AND THEN 927 00:32:02,520 --> 00:32:04,040 WE HOPE THAT THIS APPROACH 928 00:32:04,040 --> 00:32:06,880 GENERALLY CAN ALSO TRANSLATE 929 00:32:06,880 --> 00:32:09,000 INTO PROGRESS IN IDENTIFYING 930 00:32:09,000 --> 00:32:11,040 TARGETS FOR ANTIVIRAL -- OTHER 931 00:32:11,040 --> 00:32:13,360 TYPES OF ANTIVIRALS SUCH AS 932 00:32:13,360 --> 00:32:16,200 SMALL MOLECULE THERAPEUTICS. 933 00:32:16,200 --> 00:32:18,600 SO WE PROPOSE TO DEVELOP CENTERS 934 00:32:18,600 --> 00:32:21,760 THAT FOCUS ON BASIC VEERLOLOGY, 935 00:32:21,760 --> 00:32:23,120 STRUCTURAL BIOLOGY, ANTIGEN 936 00:32:23,120 --> 00:32:24,640 MAPPING, ET CETERA, ANIMAL 937 00:32:24,640 --> 00:32:27,760 MODELS AND REPLACEMENT MODELS 938 00:32:27,760 --> 00:32:30,960 FOR -- MODELS THAT WOULD REPLACE 939 00:32:30,960 --> 00:32:32,960 ANIMALS, AS WELL AS IND-ENABLING 940 00:32:32,960 --> 00:32:35,200 RESEARCH TO FOCUS ON PROTOTYPE 941 00:32:35,200 --> 00:32:38,280 PATHOGENS FROM EACH OF THESE 942 00:32:38,280 --> 00:32:39,840 FAMILIES AND IDEALLY THEY WOULD 943 00:32:39,840 --> 00:32:41,640 FOCUS ON MORE THAN ONE. 944 00:32:41,640 --> 00:32:44,720 SO FOR THE FUTURE, WE BELIEVE 945 00:32:44,720 --> 00:32:46,400 THAT THAT WOULD PROVIDE A PATH 946 00:32:46,400 --> 00:32:49,680 TOWARDS BEING PREPARED FOR 947 00:32:49,680 --> 00:32:55,120 POTENTIALLY ANY ZOO NO ZOON- 948 00:32:55,120 --> 00:32:57,000 THAT MIGHT LEAD TO A PANDEMIC. 949 00:32:57,000 --> 00:32:58,560 SO I WAS ASKED TO SUMMARIZE SOME 950 00:32:58,560 --> 00:33:00,400 OF THE LESSONS WE'VE LEARNED TO 951 00:33:00,400 --> 00:33:01,720 DATE FROM THE COVID-19 PANDEMIC. 952 00:33:01,720 --> 00:33:02,920 WE'RE STILL LEARNING, OF COURSE, 953 00:33:02,920 --> 00:33:04,560 REALLY THE FIRE IS STILL 954 00:33:04,560 --> 00:33:06,000 SMOLDERING, THIS ISN'T DONE SO 955 00:33:06,000 --> 00:33:08,600 IT FEELS A LITTLE BIT ODD TO 956 00:33:08,600 --> 00:33:10,880 REFLECT AS THOUGH IT WERE DONE, 957 00:33:10,880 --> 00:33:12,520 BUT SOME LESSONS LEARNED, YEARS 958 00:33:12,520 --> 00:33:14,400 OF VIROLOGY AND IP MU NOLG AND 959 00:33:14,400 --> 00:33:15,600 STRUCTURAL BIOLOGY PREPARED THE 960 00:33:15,600 --> 00:33:18,320 WAY FOR RAPID VACCINE 961 00:33:18,320 --> 00:33:29,000 DEVELOPMENT AND IF IT WAS A 962 00:33:29,000 --> 00:33:31,240 DIFFERENT VIRAL FAMILY, WE COULD 963 00:33:31,240 --> 00:33:34,400 NOT HAVE RESPONDED AS RAPIDLY OR 964 00:33:34,400 --> 00:33:35,200 EFFECTIVE, DUE TO THE KNOWLEDGE 965 00:33:35,200 --> 00:33:38,800 WE HAD FOR CORONAVIRUS WHEN THE 966 00:33:38,800 --> 00:33:40,400 SARS-COV-2 PANDEMIC STARTED. 967 00:33:40,400 --> 00:33:43,160 THE RECENT EMERGENCE OF MRNA AS 968 00:33:43,160 --> 00:33:45,240 AN IMMUNOGENIC PLATFORM WAS KEY 969 00:33:45,240 --> 00:33:47,440 TO RAPIDLY MANUFACTURING A 970 00:33:47,440 --> 00:33:48,840 VACCINE AND KEY TO THE CLINICAL 971 00:33:48,840 --> 00:33:50,680 RESPONSE, BUT IT WASN'T A 972 00:33:50,680 --> 00:33:51,360 MIRACLE. 973 00:33:51,360 --> 00:33:54,880 WE ONLY KNEW WHAT TARGET TO 974 00:33:54,880 --> 00:33:56,920 ENCODE IN THE MRNA BECAUSE OF 975 00:33:56,920 --> 00:33:59,920 YEARS OF BASIC SCIENCE AND 976 00:33:59,920 --> 00:34:00,760 TRANSLATIONAL SCIENCE AND WORK 977 00:34:00,760 --> 00:34:05,240 THAT WAS DONE TO BUILD UP TO 978 00:34:05,240 --> 00:34:05,560 THAT POINT. 979 00:34:05,560 --> 00:34:06,440 SO WE PROPOSE THAT THE WORLD 980 00:34:06,440 --> 00:34:08,200 NEEDS A MORE SYSTEMATIC APPROACH 981 00:34:08,200 --> 00:34:09,400 TO PANDEMIC PREPAREDNESS, AND 982 00:34:09,400 --> 00:34:12,240 THIS MIGHT INVOLVE FOCUSING ON 983 00:34:12,240 --> 00:34:13,360 PROTOTYPE PATHOGENS WITHIN EACH 984 00:34:13,360 --> 00:34:15,200 OF THESE VIRAL FAMILIES WITH 985 00:34:15,200 --> 00:34:17,400 PANDEMIC POTENTIAL. 986 00:34:17,400 --> 00:34:18,920 SO IN ADDITION TO FOCUSING ON 987 00:34:18,920 --> 00:34:21,760 VACCINE DEVELOPMENT, MONOCLONAL 988 00:34:21,760 --> 00:34:24,280 ANTIBODY DEVELOPMENT WHICH HAVE 989 00:34:24,280 --> 00:34:25,160 SOME SCIENTIFIC SIMILARITIES 990 00:34:25,160 --> 00:34:26,120 EARLY IN THE DEVELOPMENT STAGE, 991 00:34:26,120 --> 00:34:29,640 WE ALSO ARE TRYING TO FOCUS ON 992 00:34:29,640 --> 00:34:32,600 ANTIVIRAL DEVELOPMENT IN THE 993 00:34:32,600 --> 00:34:34,240 SAME WAY, SO RECENTLY WE 994 00:34:34,240 --> 00:34:37,920 ANNOUNCED FUNDING FOR ANTIVIRAL 995 00:34:37,920 --> 00:34:40,160 DISCOVERY CENTERS. 996 00:34:40,160 --> 00:34:41,360 THESE ARE LARGE COOPERATIVE 997 00:34:41,360 --> 00:34:43,560 AGREEMENTS FUNDED THROUGH THE 998 00:34:43,560 --> 00:34:46,920 AMERICAN PANDEMIC PREPAREDNESS 999 00:34:46,920 --> 00:34:47,360 PROGRAM. 1000 00:34:47,360 --> 00:34:48,560 THESE ARE LARGE 1001 00:34:48,560 --> 00:34:49,320 MULTIDISCIPLINARY TEAMS THAT 1002 00:34:49,320 --> 00:34:51,080 WILL FOCUS ON THE SAME THINGS 1003 00:34:51,080 --> 00:34:52,840 THAT PROVIDED A FOUNDATION FOR 1004 00:34:52,840 --> 00:34:55,240 RAPID DEVELOPMENT OF THE 1005 00:34:55,240 --> 00:34:58,680 SARS-COV-2 VACCINE, STRUCTURAL 1006 00:34:58,680 --> 00:35:07,040 BIOLOGISTS, ME , MEDICINAL CHE, 1007 00:35:07,040 --> 00:35:09,480 IN VITRO TESTING, ANIMAL MODEL 1008 00:35:09,480 --> 00:35:10,000 DEVELOPMENT. 1009 00:35:10,000 --> 00:35:12,520 THEY WILL FOCUS ON SARS-COV-2 1010 00:35:12,520 --> 00:35:15,160 AND OTHER CORONAVIRUS BUT ALL OF 1011 00:35:15,160 --> 00:35:17,320 THEM WILL HAVE ONE ADDITIONAL 1012 00:35:17,320 --> 00:35:18,320 VIRAL FAMILY WITHIN THESE GROUPS 1013 00:35:18,320 --> 00:35:21,240 THAT MIGHT HAVE PANDEMIC 1014 00:35:21,240 --> 00:35:22,440 POTENTIAL, BECAUSE WE RECOGNIZE 1015 00:35:22,440 --> 00:35:25,440 THAT SOME THERAPEUTICS MIGHT 1016 00:35:25,440 --> 00:35:27,200 HAVE EFFECTIVENESS ACROSS VIRAL 1017 00:35:27,200 --> 00:35:30,040 FAMILIES. 1018 00:35:30,040 --> 00:35:32,760 SO THAT'S OUR PLAN. 1019 00:35:32,760 --> 00:35:34,240 AND I'M HAPPY TO TAKE QUESTIONS 1020 00:35:34,240 --> 00:35:36,680 IF HE THERE'S TIME. 1021 00:35:36,680 --> 00:35:43,720 THANK YOU. 1022 00:35:43,720 --> 00:35:45,000 >> THANK YOU VERY MUCH, EMILY. 1023 00:35:45,000 --> 00:35:46,760 I APPRECIATE THOSE WONDERFUL 1024 00:35:46,760 --> 00:35:47,400 COMMENTS THERE. 1025 00:35:47,400 --> 00:35:48,760 THERE IS ACTUALLY ONE QUESTION 1026 00:35:48,760 --> 00:35:50,040 FOR YOU SO I'LL JUST READ IT FOR 1027 00:35:50,040 --> 00:35:50,360 YOU. 1028 00:35:50,360 --> 00:35:52,200 SO THE QUESTION SAYS, IT HAS 1029 00:35:52,200 --> 00:35:54,720 BEEN SHOWN THAT THE IMMUNE 1030 00:35:54,720 --> 00:35:56,400 REPERTOIRE HAS AN IMPACT ON THE 1031 00:35:56,400 --> 00:35:58,560 EFFICACY OF MRNA VACCINES. 1032 00:35:58,560 --> 00:36:00,760 IS THE SAME TRUE FOR OTHER TYPES 1033 00:36:00,760 --> 00:36:03,040 OF VACCINES? 1034 00:36:03,040 --> 00:36:08,520 >> PROBABLY. 1035 00:36:08,520 --> 00:36:10,800 THE IMMUNE REPERTOIRE, I DON'T 1036 00:36:10,800 --> 00:36:12,160 KNOW SPECIFICALLY WHAT ASPECT OF 1037 00:36:12,160 --> 00:36:14,320 THE IMMUNE RESPONSE THE 1038 00:36:14,320 --> 00:36:15,960 QUESTIONER IS FOCUSED ON, BUT I 1039 00:36:15,960 --> 00:36:19,680 THINK WE KNOW THAT THE 1040 00:36:19,680 --> 00:36:21,400 NON-REPLICATING VIRAL VECTOR 1041 00:36:21,400 --> 00:36:22,640 VACCINES PROBABLY STIMULATE A 1042 00:36:22,640 --> 00:36:25,360 BETTER T-CELL RESPONSE AND 1043 00:36:25,360 --> 00:36:27,320 LESS -- AND PROTECT EVEN THOUGH 1044 00:36:27,320 --> 00:36:31,280 THEY ARE STIMULATING -- 1045 00:36:31,280 --> 00:36:34,000 GENERATING A LOWER AMOUNT OF 1046 00:36:34,000 --> 00:36:35,760 HUMERAL ANTIBODIES, SO 1047 00:36:35,760 --> 00:36:37,040 NEUTRALIZING ANTIBODIES, SO IT 1048 00:36:37,040 --> 00:36:38,840 MUST BE, SO YES, OTHER THAN MRNA 1049 00:36:38,840 --> 00:36:40,440 VACCINES, THERE IS A DIFFERENCE 1050 00:36:40,440 --> 00:36:43,640 IN THE IMMUNE REP REPERTOIRE S 1051 00:36:43,640 --> 00:36:43,920 STIMULATED. 1052 00:36:43,920 --> 00:36:45,080 >> THANK YOU VERY MUCH, EMILY. 1053 00:36:45,080 --> 00:36:48,320 APPRECIATE YOUR TIME. 1054 00:36:48,320 --> 00:36:48,720 OKAY. 1055 00:36:48,720 --> 00:36:52,760 SO WITH THE NEXT FEW MINUTES, 1056 00:36:52,760 --> 00:36:56,320 I'M GOING TO GO OVER THE MISSION 1057 00:36:56,320 --> 00:37:01,000 OF THE ASSAY GUIDANCE PROGRAM 1058 00:37:01,000 --> 00:37:02,320 AND I'LL TALK MORE ABOUT THE 1059 00:37:02,320 --> 00:37:03,320 WORKSHOP OBJECTIVES. 1060 00:37:03,320 --> 00:37:12,840 SO LET ME SHARE MY SLIDES. 1061 00:37:12,840 --> 00:37:15,120 SO AS I SAID EARLIER, I'M THE 1062 00:37:15,120 --> 00:37:16,240 EDITOR-IN-CHIEF OF THE ASSAY 1063 00:37:16,240 --> 00:37:18,480 GUIDANCE MANUAL AND THE LEAD OF 1064 00:37:18,480 --> 00:37:19,840 THE TRANSLATIONAL SCIENCE 1065 00:37:19,840 --> 00:37:23,680 RESOURCES PROGRAM HERE AT NCATS. 1066 00:37:23,680 --> 00:37:25,160 SO BASICALLY WHY WE ARE DOING 1067 00:37:25,160 --> 00:37:28,040 WHAT WE DO IN OUR PROGRAM IS 1068 00:37:28,040 --> 00:37:32,320 BECAUSE THERE IS A CRISIS OF EAR 1069 00:37:32,320 --> 00:37:34,040 IRREPRODUCIBILITY IN BASIC AND 1070 00:37:34,040 --> 00:37:34,800 PRE-CLINICAL RESEARCH THAT MANY 1071 00:37:34,800 --> 00:37:36,800 OF YOU ARE I'M SURE AWARE. 1072 00:37:36,800 --> 00:37:38,520 A PUBLICATION IN 2015 SHOWED 1073 00:37:38,520 --> 00:37:40,720 THAT THE CUMULATIVE PREVALENCE 1074 00:37:40,720 --> 00:37:43,040 OF EAR REPRODUCIBLE PRE-CLINICAL 1075 00:37:43,040 --> 00:37:46,400 RESEARCH EXCEEDS 50%, AND THIS 1076 00:37:46,400 --> 00:37:51,080 ACTUALLY RESULTS IN 1077 00:37:51,080 --> 00:37:51,720 APPROXIMATELY $28 BILLION U.S. 1078 00:37:51,720 --> 00:37:53,320 SPENT ON PRE-CLINICAL RESEARCH 1079 00:37:53,320 --> 00:37:55,520 THAT IS NOT REPRODUCIBLE. 1080 00:37:55,520 --> 00:37:58,880 AND THE CATEGORIES OF 1081 00:37:58,880 --> 00:37:59,640 PRE-CLINICAL EAR REPRO 1082 00:37:59,640 --> 00:38:00,960 QUEUESIBILITY INCLUDE BIOLOGICAL 1083 00:38:00,960 --> 00:38:01,840 REAGENTS AND REFERENCE 1084 00:38:01,840 --> 00:38:03,520 MATERIALS, STUDY DESIGN, DATA 1085 00:38:03,520 --> 00:38:05,440 ANAL 1086 00:38:05,440 --> 00:38:06,840 ANALYSIS AND REPORTING AND DATA 1087 00:38:06,840 --> 00:38:07,960 AND LABORATORY PROTOCOLS. 1088 00:38:07,960 --> 00:38:09,200 THE ASSAY GUIDANCE MANUAL 1089 00:38:09,200 --> 00:38:11,560 PROGRAM THAT I LEAD IS A DISEASE 1090 00:38:11,560 --> 00:38:13,440 AGNOSTIC PROGRAM THAT ADDRESSES 1091 00:38:13,440 --> 00:38:18,120 THIS CRISIS OF IRREPRODUCIBILITY 1092 00:38:18,120 --> 00:38:19,240 IN BASIC AND PRE-CLINICAL 1093 00:38:19,240 --> 00:38:20,760 RESEARCH AND WE DO SO BY SETTING 1094 00:38:20,760 --> 00:38:24,040 STANDARDS FOR RI CORE RIGORN 1095 00:38:24,040 --> 00:38:24,640 TRANSLATIONAL SCIENCE. 1096 00:38:24,640 --> 00:38:26,240 WHAT WE ACTUALLY DO IS WE 1097 00:38:26,240 --> 00:38:29,720 PROVIDE MULTIPLE RESOURCES WITH 1098 00:38:29,720 --> 00:38:31,360 THE OVERALL GOAL OF HELPING 1099 00:38:31,360 --> 00:38:33,240 SCIENTISTS LIKE YOU DESIGN AND 1100 00:38:33,240 --> 00:38:35,120 IMPLEMENT ROBUST ASSAYS IN EARLY 1101 00:38:35,120 --> 00:38:37,200 TRANSLATION RESEARCH. 1102 00:38:37,200 --> 00:38:38,200 THE MAIN COMPONENT OF OUR 1103 00:38:38,200 --> 00:38:39,600 PROGRAM IS THE ASSAY GUIDANCE 1104 00:38:39,600 --> 00:38:41,600 MANUAL, WHICH IS A FREE AND 1105 00:38:41,600 --> 00:38:43,560 PUBLICLY AVAILABLE RESOURCE AND 1106 00:38:43,560 --> 00:38:48,320 IS ACCESSIBLE AS AN EBOOK ON THE 1107 00:38:48,320 --> 00:38:49,600 NATIONAL LIBRARY OF MEDICINE 1108 00:38:49,600 --> 00:38:51,120 NCBI BOOKSHELF. 1109 00:38:51,120 --> 00:38:52,960 THIS EBOOK IS DYNAMIC WITH 1110 00:38:52,960 --> 00:38:54,400 CONTINUED RENEWAL AND EXPANSION 1111 00:38:54,400 --> 00:38:56,120 OF CONTENT, AND IT IS WIDELY 1112 00:38:56,120 --> 00:38:59,120 ACCESSED AS WE GOT MORE THAN 1113 00:38:59,120 --> 00:39:02,480 40,000 VIEWS PER MONTH IN 2022. 1114 00:39:02,480 --> 00:39:06,760 AND IT IS ACTUALLY ACCESSED BY 1115 00:39:06,760 --> 00:39:08,560 SCIENTIST FROM PHARMA, BIOTECH, 1116 00:39:08,560 --> 00:39:10,240 GOVERNMENT AND ACADEMIA ALIKE. 1117 00:39:10,240 --> 00:39:13,000 WE ALSO RUN WORKSHOPS AS PART OF 1118 00:39:13,000 --> 00:39:17,840 OUR PROGRAM, AND THIS IS ONE 1119 00:39:17,840 --> 00:39:22,160 TOPIC-FOCUSED WORKSOP THAT WE WE 1120 00:39:22,160 --> 00:39:22,840 ARE RUNNING. 1121 00:39:22,840 --> 00:39:24,680 SO WHAT I'D LIKE TO DO NEXT IS 1122 00:39:24,680 --> 00:39:26,320 GO OVER HIGH LEVEL GOALS OR 1123 00:39:26,320 --> 00:39:27,200 OBJECTIVE FS THIS WORKSHOP. 1124 00:39:27,200 --> 00:39:28,520 SO THE HIGH LEVEL GOALS OF THIS 1125 00:39:28,520 --> 00:39:30,920 WORKSHOP IS TO HELP SCIENTISTS 1126 00:39:30,920 --> 00:39:34,200 ESTABLISH ROBUST REPRODUCIBLE 1127 00:39:34,200 --> 00:39:35,320 SCALABLE CONSISTENT ADVANCED 1128 00:39:35,320 --> 00:39:36,920 TISSUE MODELS TO STUDY PANDEMIC 1129 00:39:36,920 --> 00:39:38,800 THREAT VIRUSES. 1130 00:39:38,800 --> 00:39:40,360 WE'D LIKE TO PROVIDE YOU ALL 1131 00:39:40,360 --> 00:39:41,640 WITH PRACTICAL APPROACHES AND 1132 00:39:41,640 --> 00:39:43,320 BEST PRACTICES FOR DEVELOPING 1133 00:39:43,320 --> 00:39:44,080 STANDARDIZED ASSAYS WITH THE 1134 00:39:44,080 --> 00:39:47,800 HOPE OF HELPING YOU TO 1135 00:39:47,800 --> 00:39:49,760 SUCCESSFULLY DEVELOP 1136 00:39:49,760 --> 00:39:52,840 THERAPEUTICS FOR FUTURE PANDEMIC 1137 00:39:52,840 --> 00:39:53,840 THREATS, AND WE WOULD REALLY 1138 00:39:53,840 --> 00:39:55,440 LIKE TO GENERATE A ROAD MAP TO 1139 00:39:55,440 --> 00:39:57,080 HELP SCIENTISTS DEVELOP ROBUST 1140 00:39:57,080 --> 00:39:59,280 AND REPRODUCIBLE 3D TISSUE 1141 00:39:59,280 --> 00:40:02,440 MODELS TO STUDY VIRUSES. 1142 00:40:02,440 --> 00:40:03,960 THE SPECIFIC ABTTIVES OF THIS 1143 00:40:03,960 --> 00:40:06,720 WORKSHOP INCLUDES INTRODUCE 1144 00:40:06,720 --> 00:40:09,480 PARTICIPANTS TO THE AVAILABLE 3D 1145 00:40:09,480 --> 00:40:10,640 TISSUE MODELS AND DISCUSS 1146 00:40:10,640 --> 00:40:12,280 CHALLENGES IN BUILDING THESE 1147 00:40:12,280 --> 00:40:13,480 MODELS AS WELL AS THEIR UTILITY 1148 00:40:13,480 --> 00:40:19,960 AND LIMITATIONS, AND MOST OF 1149 00:40:19,960 --> 00:40:20,800 THIS FIRST OBJECTIVE WILL BE 1150 00:40:20,800 --> 00:40:27,640 COVERED IN TODAY'S SESSION, ONE 1151 00:40:27,640 --> 00:40:28,680 IN THE AFTERNOON. 1152 00:40:28,680 --> 00:40:30,160 WE'D ALSO LIKE TO PROVIDE CASE 1153 00:40:30,160 --> 00:40:31,640 STUDIES ON HOW THESE AVAILABLE 1154 00:40:31,640 --> 00:40:33,520 3D TISSUE MODELS HAVE BEEN 1155 00:40:33,520 --> 00:40:35,280 UTILIZED IN ANTIVIRAL DRUG 1156 00:40:35,280 --> 00:40:36,280 DISCOVERY AND DEVELOPMENT AS 1157 00:40:36,280 --> 00:40:37,360 WELL AS TOOLS FOR UNDERSTANDING 1158 00:40:37,360 --> 00:40:39,320 AND MODELING INFECTIOUS 1159 00:40:39,320 --> 00:40:41,080 DISEASES, INCLUDING STUDYING 1160 00:40:41,080 --> 00:40:45,320 VIRAL INFECTION AND 1161 00:40:45,320 --> 00:40:52,520 PATHOGENESIS, AND THIS OBJECTIV 1162 00:40:52,520 --> 00:40:53,640 OBJECTIVE -- MOST OF THESE WILL 1163 00:40:53,640 --> 00:40:55,400 BE COVERED IN SESSION TWO 1164 00:40:55,400 --> 00:40:57,160 TOMORROW, AND WE'D ALSO LIKE TO 1165 00:40:57,160 --> 00:40:58,360 PROVIDE GUIDELINES AND 1166 00:40:58,360 --> 00:41:00,160 CONSIDERATIONS FOR DEVELOPING 1167 00:41:00,160 --> 00:41:02,400 ROBUST AND REPRODUCIBLE 3D 1168 00:41:02,400 --> 00:41:03,160 TISSUE MODELS THAT CAN BE US 1169 00:41:03,160 --> 00:41:04,480 OOOD FOR TESTING THERAPEUTICS. 1170 00:41:04,480 --> 00:41:05,880 WE'D LIKE TO DISCUSS CHALLENGES 1171 00:41:05,880 --> 00:41:08,280 IN AFFORDABILITY, ACCESSIBILITY, 1172 00:41:08,280 --> 00:41:09,200 TRANSFERABILITY AND 1173 00:41:09,200 --> 00:41:10,680 REPRODUCIBILITY OF THESE 3D 1174 00:41:10,680 --> 00:41:13,000 TISSUE MODELS, AND ALSO DISCUSS 1175 00:41:13,000 --> 00:41:17,280 THE ADVANTAGES VERSUS THE 1176 00:41:17,280 --> 00:41:20,440 DISADVANTAGES OF THESE 3D MODELS 1177 00:41:20,440 --> 00:41:23,040 WILL BE COVERED IN SESSION ONE, 1178 00:41:23,040 --> 00:41:24,080 TWO AS WELL AS SESSION THREE. 1179 00:41:24,080 --> 00:41:24,600 OKAY. 1180 00:41:24,600 --> 00:41:25,920 I ALWAYS ASK FOLKS TO CONNECT 1181 00:41:25,920 --> 00:41:28,320 WITH US TO STAY TUNED ABOUT ANY 1182 00:41:28,320 --> 00:41:30,200 UPCOMING WORKSHOPS AND SYMPOSIA 1183 00:41:30,200 --> 00:41:32,600 WE HAVE IN OUR PROGRAM, AS WE 1184 00:41:32,600 --> 00:41:34,400 HAVE ONE COMING UP IN OCTOBER, 1185 00:41:34,400 --> 00:41:36,960 THIS IS AN IN-PERSON WORKSHOP ON 1186 00:41:36,960 --> 00:41:38,400 ASSAY GUIDANCE FOR 1187 00:41:38,400 --> 00:41:39,800 HIGH-THROUGHPUT SCREENING AND 1188 00:41:39,800 --> 00:41:40,360 LEAD DISCOVERY. 1189 00:41:40,360 --> 00:41:44,840 IT WILL BE RUN IN NIH MAIN 1190 00:41:44,840 --> 00:41:45,840 CAMPUS, AND THERE IS MULTIPLE 1191 00:41:45,840 --> 00:41:46,920 WAYS CAN YOU CONNECT WITH US. 1192 00:41:46,920 --> 00:41:48,920 WE ARE ON TWITTER AND OUR 1193 00:41:48,920 --> 00:41:52,360 TWITTER HANDLE IS@ASSAYGUIDANCE. 1194 00:41:52,360 --> 00:41:54,160 WE HAVE A LINKEDIN GROUP THAT 1195 00:41:54,160 --> 00:41:56,280 YOU CAN JOIN HERE, AS WELL AS 1196 00:41:56,280 --> 00:41:59,800 YOU CAN SEE ALL OUR EVENTS AT 1197 00:41:59,800 --> 00:42:04,080 NCATS EVENTS WEBSITE, AND NCATS 1198 00:42:04,080 --> 00:42:07,200 AGM WEBSITE AS WELL. 1199 00:42:07,200 --> 00:42:09,840 SO BACK TO THE MAIN EVENT, 1200 00:42:09,840 --> 00:42:11,240 TODAY'S AGENDA HERE THAT I'M 1201 00:42:11,240 --> 00:42:14,520 SHARING. 1202 00:42:14,520 --> 00:42:16,400 SO AFTER THIS, WE'LL HAVE THE 1203 00:42:16,400 --> 00:42:20,520 KEYNOTE SPEECH BY DR. SIMON 1204 00:42:20,520 --> 00:42:20,880 FUNNELL. 1205 00:42:20,880 --> 00:42:22,720 WE'RE REALLY EXCITED TO HEAR HIM 1206 00:42:22,720 --> 00:42:23,400 SPEAK TODAY. 1207 00:42:23,400 --> 00:42:24,840 AND THEN WE'LL HAVE A LUNCH 1208 00:42:24,840 --> 00:42:27,880 AFTER HIS KEYNOTE, AND THEN THIS 1209 00:42:27,880 --> 00:42:29,520 AFTERNOON WE'LL HAVE THE FIRST 1210 00:42:29,520 --> 00:42:31,480 SESSION, WHICH IS ON 3D TISSUE 1211 00:42:31,480 --> 00:42:34,560 MODELS, UTILITY AND LIMITATIONS, 1212 00:42:34,560 --> 00:42:37,600 AND WE WILL CONCLUDE THE DAY 1213 00:42:37,600 --> 00:42:39,920 TODAY AROUND 4:15. 1214 00:42:39,920 --> 00:42:45,720 I DO WANT TO SAY THAT, PLEASE 1215 00:42:45,720 --> 00:42:46,800 FEEL FREE TO ASK ANY QUESTIONS 1216 00:42:46,800 --> 00:42:50,280 YOU HAVE THROUGHOUT THE TALKS 1217 00:42:50,280 --> 00:42:58,040 USING THE Q & A CHAT BOX 1218 00:42:58,040 --> 00:42:58,960 FUNCTION, AND THE SPEAKERS WILL 1219 00:42:58,960 --> 00:43:02,760 GET TO YOUR QUESTIONS AT THE END 1220 00:43:02,760 --> 00:43:04,600 OF THEIR -- FOR EXAMPLE, THE 1221 00:43:04,600 --> 00:43:05,960 KEYNOTE SPEAKER WILL GET TO YOUR 1222 00:43:05,960 --> 00:43:07,240 QUESTIONS AT THE END OF HIS 1223 00:43:07,240 --> 00:43:08,440 SPEECH, AND THEN FOR THE 1224 00:43:08,440 --> 00:43:11,200 SESSIONS, WE WILL HAVE A Q & A 1225 00:43:11,200 --> 00:43:12,520 DISCUSSION SESSION AFTER ALL THE 1226 00:43:12,520 --> 00:43:17,240 TALKS HAVE COMPLETED, BUT FEEL 1227 00:43:17,240 --> 00:43:18,360 FREE TO ASK YOUR QUESTIONS AND 1228 00:43:18,360 --> 00:43:21,480 IF YOU WOULD LIKE TO DIRECT YOUR 1229 00:43:21,480 --> 00:43:23,080 QUESTIONS TO A PARTICULAR 1230 00:43:23,080 --> 00:43:24,000 SPEAKER, MAKE SURE YOU ADD THE 1231 00:43:24,000 --> 00:43:25,080 NAME OF THE SPEAKER WHEN YOU 1232 00:43:25,080 --> 00:43:26,680 TYPE IN THE QUESTION IN THE Q & 1233 00:43:26,680 --> 00:43:35,040 A BOX. 1234 00:43:35,040 --> 00:43:35,480 OKAY. 1235 00:43:35,480 --> 00:43:37,240 I'M EXTREMELY EXCITED TO 1236 00:43:37,240 --> 00:43:39,320 INTRODUCE OUR KEYNOTE SPEAKER, 1237 00:43:39,320 --> 00:43:41,800 DR. SIMON FUNNELL, A SCIENTIFIC 1238 00:43:41,800 --> 00:43:43,880 LEADER BASED AT UK HEALTH 1239 00:43:43,880 --> 00:43:45,840 SECURITY AGENCY. 1240 00:43:45,840 --> 00:43:49,680 HE ALSO HAS A POSITION AT THE 1241 00:43:49,680 --> 00:43:50,960 QUANTUM INSTITUTE IN NORWICH, 1242 00:43:50,960 --> 00:43:54,200 ALSO A FACULTY MEMBER AT THE 1243 00:43:54,200 --> 00:43:54,920 UNIVERSITY OF TEXAS MEDICAL 1244 00:43:54,920 --> 00:43:57,480 BRANCH AND HAS BEEN SECONDED 1245 00:43:57,480 --> 00:43:59,200 PART-TIME TO THE R & D 1246 00:43:59,200 --> 00:44:01,160 BLUEPRINTING AT THE WORLD HEALTH 1247 00:44:01,160 --> 00:44:03,360 ORGANIZATION IN GENEVA SINCE 1248 00:44:03,360 --> 00:44:05,680 FEBRUARY 2020. 1249 00:44:05,680 --> 00:44:08,840 DR. FUNNELL HAS 36 YEARS OF 1250 00:44:08,840 --> 00:44:10,040 WORKING EXPERIENCE AND HAS 1251 00:44:10,040 --> 00:44:11,680 STUDIED AND PUBLISHED PAPERS ON 1252 00:44:11,680 --> 00:44:13,400 A WIDE RANGE OF SELECT AGENTS. 1253 00:44:13,400 --> 00:44:14,320 HE'S EXPERIENCED WITH WORKING 1254 00:44:14,320 --> 00:44:18,160 WITH OTHER DANGEROUS PATHOGENS, 1255 00:44:18,160 --> 00:44:19,440 ASSISTED THE U.K. HEALTH 1256 00:44:19,440 --> 00:44:21,080 SECURITY AGENCY TO PIVOT THEIR 1257 00:44:21,080 --> 00:44:25,240 RESOURCES SO THE SARS-COV-2 1258 00:44:25,240 --> 00:44:26,680 RESPONSE AND ASSURED THAT THE 1259 00:44:26,680 --> 00:44:28,080 U.K. HEALTH SECURITY AGENCY WAS 1260 00:44:28,080 --> 00:44:31,440 AND CONTINUES TO BE REACTIVE TO 1261 00:44:31,440 --> 00:44:32,680 THE DYNAMIC SITUATION PRESENTED 1262 00:44:32,680 --> 00:44:39,640 TO US ALL. 1263 00:44:39,640 --> 00:44:41,800 YOU AM SUPER EXCITED TO HAVE YOU 1264 00:44:41,800 --> 00:44:42,920 WITH US HERE TODAY, SIMON, AND 1265 00:44:42,920 --> 00:44:44,200 WE ARE REALLY EXCITED TO HEAR 1266 00:44:44,200 --> 00:44:45,120 YOUR TALK. 1267 00:44:45,120 --> 00:44:46,840 LIKE I SAID EARLIER, PLEASE FEEL 1268 00:44:46,840 --> 00:44:48,720 TBREE TO ASK ANY QUESTIONS YOU 1269 00:44:48,720 --> 00:44:50,800 HAVE FOR DR. FUNNELL THROUGH THE 1270 00:44:50,800 --> 00:44:52,760 Q & A CHAT BOX AND HE WILL GET 1271 00:44:52,760 --> 00:44:53,680 TO THESE QUESTIONS AT THE END OF 1272 00:44:53,680 --> 00:44:56,800 THE TALK. 1273 00:44:56,800 --> 00:44:58,760 THANK YOU SO MUCH, SIMON, AGAIN, 1274 00:44:58,760 --> 00:45:00,000 AND THE FLOOR IS YOURS. 1275 00:45:00,000 --> 00:45:01,200 >> THANK YOU VERY MUCH, SARINE, 1276 00:45:01,200 --> 00:45:02,280 FOR THAT INTRODUCTION. 1277 00:45:02,280 --> 00:45:06,080 AND THANK YOU ALSO TO ALL THE 1278 00:45:06,080 --> 00:45:07,040 ORGANIZERS FOR INVITING ME TO 1279 00:45:07,040 --> 00:45:10,440 SPEAK TO YOU TODAY ABOUT 1280 00:45:10,440 --> 00:45:11,840 SARS-COV-2, HOW IT'S THE START 1281 00:45:11,840 --> 00:45:14,280 OF A NEW SCIENTIFIC RENAISSANCE 1282 00:45:14,280 --> 00:45:22,000 IN BIOLOGICAL SCIENCE. 1283 00:45:22,000 --> 00:45:23,800 CAN I CHECK THAT THAT'S IN 1284 00:45:23,800 --> 00:45:27,200 PRESENTATION MODE? 1285 00:45:27,200 --> 00:45:27,920 >> IT IS NOT. 1286 00:45:27,920 --> 00:45:31,760 >> IT IS NOT. 1287 00:45:31,760 --> 00:45:33,200 THERE WE GO. 1288 00:45:33,200 --> 00:45:33,720 >> GREAT. 1289 00:45:33,720 --> 00:45:36,680 THANK YOU VERY MUCH. 1290 00:45:36,680 --> 00:45:38,480 SO AS YOU'VE MENTIONED, I HAD 1291 00:45:38,480 --> 00:45:39,880 THREE POSITIONS, THANK YOU, 1292 00:45:39,880 --> 00:45:42,120 SARINE, FOR INTRODUCING ME IN 1293 00:45:42,120 --> 00:45:44,000 THAT WAY. 1294 00:45:44,000 --> 00:45:45,200 I HAVE FIVE COMPONENTS OF THE 1295 00:45:45,200 --> 00:45:46,760 TALK I'D LIKE TO GIVE TODAY. 1296 00:45:46,760 --> 00:45:49,720 FIRST I'D LIKE TO TALK ABOUT WHY 1297 00:45:49,720 --> 00:45:52,560 I THINK WE'RE IN THE MIDDLE OF A 1298 00:45:52,560 --> 00:45:53,400 21ST CENTURY SCIENTIFIC 1299 00:45:53,400 --> 00:45:54,400 RENAISSANCE, THEN I'D LIKE TO 1300 00:45:54,400 --> 00:45:55,560 TALK ABOUT ASPECTS OF INFECTION 1301 00:45:55,560 --> 00:45:56,800 MORE GENERALLY, AND THEN I'LL 1302 00:45:56,800 --> 00:45:58,680 TALK ABOUT MODEL SUITABILITY, 1303 00:45:58,680 --> 00:46:01,400 WHAT ARE THE THREE MAJOR COMPLEX 1304 00:46:01,400 --> 00:46:02,680 REQUIREMENTS OF AN INFECTIOUS 1305 00:46:02,680 --> 00:46:05,120 DISEASE MODEL. 1306 00:46:05,120 --> 00:46:07,000 THEN I'LL GIVE SOME EXAMPLES, 1307 00:46:07,000 --> 00:46:08,840 BOTH OLD AND NEW, AND THEN TALK 1308 00:46:08,840 --> 00:46:11,800 ABOUT SUPPLY AND DEMAND ISSUES. 1309 00:46:11,800 --> 00:46:13,640 SO TO BEGIN WITH, WHY DO I SAY 1310 00:46:13,640 --> 00:46:16,520 THAT WE'RE IN THE 21ST CENTURY 1311 00:46:16,520 --> 00:46:17,040 SCIENTIFIC RENAISSANCE? 1312 00:46:17,040 --> 00:46:19,240 I'VE HAD A LOOK AT DICTIONARY 1313 00:46:19,240 --> 00:46:21,400 DEFINITIONS OF RENAISSANCE, AND 1314 00:46:21,400 --> 00:46:22,600 TRADITIONALLY, IT'S BEEN IN 1315 00:46:22,600 --> 00:46:27,400 REFERENCE TO THE 15TH, 16TH 1316 00:46:27,400 --> 00:46:29,840 CENTURIES IN TERMS OF GROWTH OF 1317 00:46:29,840 --> 00:46:31,360 ACTIVITY IN ARTS AND LITERATURE. 1318 00:46:31,360 --> 00:46:33,120 AND I'VE LOOKED AT SOME OF THE 1319 00:46:33,120 --> 00:46:35,200 USAGE OF THE WORD, AND I'D LIKE 1320 00:46:35,200 --> 00:46:37,280 TO PROPOSE A NEW DEFINITION TO 1321 00:46:37,280 --> 00:46:39,040 THE WORD RENAISSANCE. 1322 00:46:39,040 --> 00:46:40,120 I BELIEVE THAT WE'RE IN THE 1323 00:46:40,120 --> 00:46:43,640 MIDDLE OF A GLOBAL -- DURING THE 1324 00:46:43,640 --> 00:46:45,640 GLOBAL SARS-COV-2 OUTBREAK THERE 1325 00:46:45,640 --> 00:46:47,000 WAS SUCH ENORMOUS GROWTH IN 1326 00:46:47,000 --> 00:46:47,920 SCIENTIFIC RESEARCH, 1327 00:46:47,920 --> 00:46:48,880 COLLABORATION AND ACTIVITIES, I 1328 00:46:48,880 --> 00:46:50,160 THINK THAT CONSTITUTES A 1329 00:46:50,160 --> 00:46:52,040 SCIENTIFIC RENAISSANCE. 1330 00:46:52,040 --> 00:46:54,760 AND AN EXAMPLE OF ITS USE COULD 1331 00:46:54,760 --> 00:46:57,160 BE, "I AM PARTICIPATING IN A 1332 00:46:57,160 --> 00:46:57,720 21ST CENTURY SCIENTIFIC 1333 00:46:57,720 --> 00:47:00,000 RENAISSANCE IN WHICH SCIENTISTS, 1334 00:47:00,000 --> 00:47:01,240 DEVELOPERS AND FUNDERS ARE 1335 00:47:01,240 --> 00:47:03,400 COLLABORATING USING THE POWERS 1336 00:47:03,400 --> 00:47:08,120 OF MICRO PHYSIOLOGICAL SYSTEMS." 1337 00:47:08,120 --> 00:47:09,560 TO EXPAND ON THIS IDEA THAT WE 1338 00:47:09,560 --> 00:47:11,200 ARE IN THE MIDDLE OF A 1339 00:47:11,200 --> 00:47:11,960 SCIENTIFIC RENAISSANCE, JUST 1340 00:47:11,960 --> 00:47:14,480 LOOK AT WHAT'S HAPPENED IN TERMS 1341 00:47:14,480 --> 00:47:15,880 OF GLOBAL SOCIETY. 1342 00:47:15,880 --> 00:47:17,720 THERE'S BEEN GLOBAL TRAVEL BANS, 1343 00:47:17,720 --> 00:47:19,520 LOCKDOWNS AND AWARENESS IN THE 1344 00:47:19,520 --> 00:47:21,120 GLOBAL POPULATION THAT HAS 1345 00:47:21,120 --> 00:47:23,000 REALLY FOCUSED ATTENTION ON 1346 00:47:23,000 --> 00:47:24,640 BIOLOGICAL SCIENCE. 1347 00:47:24,640 --> 00:47:26,360 WE'VE HAD GLOBAL PUBLIC 1348 00:47:26,360 --> 00:47:28,360 ENGAGEMENT AND PERSONAL 1349 00:47:28,360 --> 00:47:31,840 PROTECTIVE EQUIPMENT AND 1350 00:47:31,840 --> 00:47:32,280 LOCKDOWNS. 1351 00:47:32,280 --> 00:47:33,800 WIRELESS BANKING HAS TRANSFORMED 1352 00:47:33,800 --> 00:47:35,160 THE WAY THAT WE DO BUSINESS, AND 1353 00:47:35,160 --> 00:47:37,200 THAT DOESN'T APPEAR TO BE 1354 00:47:37,200 --> 00:47:37,480 CHANGING. 1355 00:47:37,480 --> 00:47:39,400 REMOTE WORKING HAS BECOME THE 1356 00:47:39,400 --> 00:47:40,720 NORM, EVEN THOUGH WE'RE NOW 1357 00:47:40,720 --> 00:47:43,000 APPEARING TO GO BACK TO 1358 00:47:43,000 --> 00:47:44,120 NORMALITY, THERE'S FAR LESS 1359 00:47:44,120 --> 00:47:45,440 COMMUTING THAN THERE EVER WAS. 1360 00:47:45,440 --> 00:47:48,600 WE'VE ALSO SEEN AN EPIDEMIC OF 1361 00:47:48,600 --> 00:47:50,280 DISINFORMATION, WHICH AT FIRST 1362 00:47:50,280 --> 00:48:00,080 SEEMED TO BE EAR EAR RESIST T. 1363 00:48:00,080 --> 00:48:02,560 THEY NOW REALIZE THAT THEY HAVE 1364 00:48:02,560 --> 00:48:06,760 TO GO TO SCIENTIFIC INFORMATION 1365 00:48:06,760 --> 00:48:08,280 TO FORM THEIR JUDGMENTS AND NOT 1366 00:48:08,280 --> 00:48:11,080 RELY ON SOCIAL MEDIA. 1367 00:48:11,080 --> 00:48:12,720 SO THE IMPORTANCE OF BIOLOGICAL 1368 00:48:12,720 --> 00:48:19,080 SCIENCE HAS REALLY BLOSSOMED AND 1369 00:48:19,080 --> 00:48:20,840 SO HAS THE IMPORTANCE OF 1370 00:48:20,840 --> 00:48:22,320 BIOLOGICAL SCIENTISTS. 1371 00:48:22,320 --> 00:48:23,240 POLITICIANS HAVE HAD TO RESPOND 1372 00:48:23,240 --> 00:48:25,520 TO PUBLIC CONCERNS ABOUT SARS 1373 00:48:25,520 --> 00:48:28,360 COV-2 AND NOW WE SEE POLITICIANS 1374 00:48:28,360 --> 00:48:30,240 WITH A THIRST FOR DATA-DRIVEN 1375 00:48:30,240 --> 00:48:31,760 DECISIONS AND THAT'S BECOME 1376 00:48:31,760 --> 00:48:32,560 INCREASINGLY IMPORTANT FOR 1377 00:48:32,560 --> 00:48:35,920 POLITICIANS. 1378 00:48:35,920 --> 00:48:37,000 WE'VE SEEN GLOBAL DATA SHARING 1379 00:48:37,000 --> 00:48:39,520 ON AN UNPRECEDENTED LEVEL AND 1380 00:48:39,520 --> 00:48:41,280 WE'VE SEEN LIVE DATA SHARING 1381 00:48:41,280 --> 00:48:43,600 THREE TIMES A WEEK COORDINATED 1382 00:48:43,600 --> 00:48:48,160 BY THE WHO AND IN SOME TELECOMS 1383 00:48:48,160 --> 00:48:50,360 OVER 1 1/2 THOUSAND PARTICIPANTS 1384 00:48:50,360 --> 00:48:52,240 IN CONSORTIUMS WHICH HAVE BEEN 1385 00:48:52,240 --> 00:48:53,000 HAPPENING QUITE FREQUENTLY. 1386 00:48:53,000 --> 00:48:54,520 THIS REALLY IS UNPRECEDENTED 1387 00:48:54,520 --> 00:48:59,880 COLLABORATION. 1388 00:48:59,880 --> 00:49:01,080 I THINK WE ALL UNDERSTAND THESE 1389 00:49:01,080 --> 00:49:03,160 COMPLEX PROBLEMS WE FACE FROM 1390 00:49:03,160 --> 00:49:08,400 DISEASES LIKE SARS-COV-2 REALLY 1391 00:49:08,400 --> 00:49:10,480 DO NEED CROSS WORKING NOT JUST 1392 00:49:10,480 --> 00:49:11,480 BETWEEN COUNTRIES BUT BETWEEN 1393 00:49:11,480 --> 00:49:12,880 THE FACULTIES OF SCIENCE WHICH 1394 00:49:12,880 --> 00:49:14,080 WE SEEM TO BE BRINGING TOGETHER 1395 00:49:14,080 --> 00:49:16,480 VERY EFFECTIVELY IN THESE TYPES 1396 00:49:16,480 --> 00:49:16,960 OF FORUMS. 1397 00:49:16,960 --> 00:49:18,360 AS WE'VE JUST HEARD FROM ALL THE 1398 00:49:18,360 --> 00:49:19,880 PREVIOUS SPEAKERS, WE'VE SEEN 1399 00:49:19,880 --> 00:49:22,040 SOME AMAZING DEVELOPMENTS IN 3D 1400 00:49:22,040 --> 00:49:23,160 MODELING TECHNOLOGY AND 1401 00:49:23,160 --> 00:49:25,160 ADVANCES. 1402 00:49:25,160 --> 00:49:27,000 AND AS A RESULT OF THAT, WE ARE 1403 00:49:27,000 --> 00:49:28,960 NOW BEGINNING TO SEE LEGISLATIVE 1404 00:49:28,960 --> 00:49:30,680 CHANGES WHICH ARE HAPPENING AS 1405 00:49:30,680 --> 00:49:34,640 WE SPEAK, WHICH ARE GOING TO 1406 00:49:34,640 --> 00:49:37,160 ENABLE US TO ACCEPT DATA 1407 00:49:37,160 --> 00:49:38,360 GENERATED IN THESE TYPES OF 1408 00:49:38,360 --> 00:49:38,720 SYSTEMS. 1409 00:49:38,720 --> 00:49:40,120 I THINK THAT'S WHY I THINK WE'RE 1410 00:49:40,120 --> 00:49:42,080 IN THE MIDDLE OF A SCIENTIFIC 1411 00:49:42,080 --> 00:49:45,960 RENAISSANCE. 1412 00:49:45,960 --> 00:49:47,680 SO MOVING ON, I'D LIKE TO TALK 1413 00:49:47,680 --> 00:49:50,200 ABOUT ASPECTS OF INFECTION IN 1414 00:49:50,200 --> 00:49:52,520 RESPECT TO MY EXPERIENCE IN THE 1415 00:49:52,520 --> 00:49:53,400 LAST 36 YEARS. 1416 00:49:53,400 --> 00:49:54,600 I THINK BROADLY, YOU CAN TALK 1417 00:49:54,600 --> 00:49:57,760 ABOUT A PATHOGEN AND BREAK DOWN 1418 00:49:57,760 --> 00:49:59,200 THE STEPS THAT A PATHOGEN 1419 00:49:59,200 --> 00:50:00,480 INTERACTS WITH A HOST WITH, 1420 00:50:00,480 --> 00:50:01,840 WHICH LEADS TO DISEASE. 1421 00:50:01,840 --> 00:50:04,240 AND THE VERY FIRST OF THOSE IS 1422 00:50:04,240 --> 00:50:04,520 CONTACT. 1423 00:50:04,520 --> 00:50:06,320 AND I KNOW IN THE INTRODUCTORY 1424 00:50:06,320 --> 00:50:07,640 SPEAKERS, WE'VE BEEN HEARING 1425 00:50:07,640 --> 00:50:12,200 ABOUT HOW THAT THAT WAS THE T 1426 00:50:12,200 --> 00:50:13,760 FOR MANY YEARS AND INDEED THAT'S 1427 00:50:13,760 --> 00:50:14,960 AN EFFECTIVE APPROACH. 1428 00:50:14,960 --> 00:50:16,240 ONE AN ORGANISM HAS HAD COULD BE 1429 00:50:16,240 --> 00:50:19,840 TACT WITH A CONTACT 1430 00:50:19,840 --> 00:50:22,280 WITH A HOST IT NORMALLY FORMS A 1431 00:50:22,280 --> 00:50:26,080 MORE SECURE ATTACHMENT. 1432 00:50:26,080 --> 00:50:27,400 FOLLOWING ATTACHMENT, AN EVEN 1433 00:50:27,400 --> 00:50:28,280 MORE SECURE ADHESION. 1434 00:50:28,280 --> 00:50:31,440 WE OFTEN SEE PATHOGENS MIMICKING 1435 00:50:31,440 --> 00:50:35,080 THE HOST AND IN THE CASE OF 1436 00:50:35,080 --> 00:50:36,600 VIRUSES, WHICH I'VE PUT IN 1437 00:50:36,600 --> 00:50:37,680 ITALICS, WE THEN SEE INNOVATION 1438 00:50:37,680 --> 00:50:40,960 OF THE HOST CELL, TRANSCRIPTION 1439 00:50:40,960 --> 00:50:43,480 OF THE PATHOGEN GENETIC 1440 00:50:43,480 --> 00:50:46,200 MATERIAL, PIRACY OF THE HOST, 1441 00:50:46,200 --> 00:50:47,560 THEN INTERFERENCE WITH THE HOST 1442 00:50:47,560 --> 00:50:49,840 MACHINERY AND IMMUNE RESPONSE. 1443 00:50:49,840 --> 00:50:52,680 AND IF IT EFFECTIVE, WE THEN SEE 1444 00:50:52,680 --> 00:50:54,640 PATHOGEN ASSEMBLY WITHIN THE 1445 00:50:54,640 --> 00:50:56,840 HOST CELL, WHICH LEADS TO 1446 00:50:56,840 --> 00:50:59,080 REPRODUCTION OF THE PATHOGEN, 1447 00:50:59,080 --> 00:51:00,640 AND THEN WHICH COULD LEAD TO 1448 00:51:00,640 --> 00:51:01,840 DISSEMINATION OF THE PATHOGEN TO 1449 00:51:01,840 --> 00:51:05,680 OTHER HOSTS, OR CONTINUATION OF 1450 00:51:05,680 --> 00:51:09,080 DISEASE IN THE ORIGINAL HOST. 1451 00:51:09,080 --> 00:51:10,160 AND I THINK BREAKING IT DOWN 1452 00:51:10,160 --> 00:51:11,480 INTO THOSE STEPS HELPS US TO 1453 00:51:11,480 --> 00:51:14,000 THINK ABOUT WAYS IN WHICH A HOST 1454 00:51:14,000 --> 00:51:17,360 RESPONDS TO INFECTION. 1455 00:51:17,360 --> 00:51:18,920 SO HERE I'VE TRIED TO BREAK DOWN 1456 00:51:18,920 --> 00:51:20,440 SOME OF THE KEY HOST RESPONSES 1457 00:51:20,440 --> 00:51:23,520 TO THOSE PROCESSES THAT A 1458 00:51:23,520 --> 00:51:25,720 PATHOGEN REPRESENTS. 1459 00:51:25,720 --> 00:51:27,680 THE FIRST OF THOSE IS AVOIDANCE. 1460 00:51:27,680 --> 00:51:33,160 WE ALL KNOW HOW TO AVOID 1461 00:51:33,160 --> 00:51:34,440 SARS-COV-2, WE ISOLATE AND PUT 1462 00:51:34,440 --> 00:51:35,760 IN PERSONAL PROTECTIVE 1463 00:51:35,760 --> 00:51:36,960 EQUIPMENT, BUT THERE'S ALSO -- 1464 00:51:36,960 --> 00:51:44,520 WE HAVE AN INNATE INTEGMEN, 1465 00:51:44,520 --> 00:51:46,360 WHICH AVOID THE PATHOGEN MAKING 1466 00:51:46,360 --> 00:51:49,520 ATTACHMENT TO OUR HOST CELLS. 1467 00:51:49,520 --> 00:51:52,520 AND PART OF THAT, I WOULD 1468 00:51:52,520 --> 00:51:55,000 INCLUDE THE MUCOSAL MUCUS FLOW 1469 00:51:55,000 --> 00:51:57,320 WHICH IS INCREDIBLY COMPLEX. 1470 00:51:57,320 --> 00:52:00,480 IF WE THINK ABOUT THE HUMAN 1471 00:52:00,480 --> 00:52:02,440 AIRWAY, WE HAVE WITHIN OUR LUNGS 1472 00:52:02,440 --> 00:52:04,760 WHAT WE CALL A MUCOCILIARY 1473 00:52:04,760 --> 00:52:05,080 ESCALATOR. 1474 00:52:05,080 --> 00:52:08,680 THE WALLS OF OUR TRACHEA AND 1475 00:52:08,680 --> 00:52:18,200 BRONCHI ARE LINED WITH CILIATED 1476 00:52:18,200 --> 00:52:20,760 EPITHELIUM AT TWO HUP BEATS PER 1477 00:52:20,760 --> 00:52:21,040 SECOND. 1478 00:52:21,040 --> 00:52:23,120 TOGETHER THERE'S AN ORCHESTRATED 1479 00:52:23,120 --> 00:52:25,520 MOVEMENT OF MUCUS UP TO OUR 1480 00:52:25,520 --> 00:52:29,160 THROAT, WHERE WE CAN EITHER 1481 00:52:29,160 --> 00:52:30,280 EXPECTORATE, SWALLOW OR 1482 00:52:30,280 --> 00:52:32,880 ELIMINATE THE PATHOGEN FROM OUR 1483 00:52:32,880 --> 00:52:37,800 RESPIRATORY ALVEOLI. 1484 00:52:37,800 --> 00:52:42,400 WHAT'S INTERESTING ABOUT THESE 1485 00:52:42,400 --> 00:52:44,080 CELLS, IT HAS MASSIVE METABOLIC 1486 00:52:44,080 --> 00:52:45,440 IMPACT ON THOSE CELLS AND IT'S 1487 00:52:45,440 --> 00:52:47,080 INTERESTING THAT THOSE ARE THE 1488 00:52:47,080 --> 00:52:57,080 CELLS THAT SARS-COV-2 TARGETS. 1489 00:52:57,080 --> 00:53:02,320 WHEN WHEN I SAY INTEGUMEN, THE 1490 00:53:02,320 --> 00:53:04,760 SKIN HAS EPITHELIAL CELLS, 1491 00:53:04,760 --> 00:53:06,480 ENDOTHELIAL CELLS, DENDRITIC 1492 00:53:06,480 --> 00:53:07,680 CELLS, HAIRS, THE FOLLICLES OF 1493 00:53:07,680 --> 00:53:10,000 THE HAIRS, AND WE HAVE SENSORY 1494 00:53:10,000 --> 00:53:12,160 CONNECTIONS TO THE HAIR, 1495 00:53:12,160 --> 00:53:13,160 MUSCULAR CONNECTIONS TO THE 1496 00:53:13,160 --> 00:53:16,440 HAIR, SEBACEOUS GLANDS, SWEAT 1497 00:53:16,440 --> 00:53:17,880 GLANDS, VENOUS AND ARTERIAL 1498 00:53:17,880 --> 00:53:19,720 BLOOD SUPPLY, ADIPOSE TISSUE, 1499 00:53:19,720 --> 00:53:23,000 AND ON TOP OF ALL OF THAT 1500 00:53:23,000 --> 00:53:25,280 COMPLEXITY, THE IMMUNE SYSTEM 1501 00:53:25,280 --> 00:53:26,520 AND IMMUNE DUCTS. 1502 00:53:26,520 --> 00:53:29,440 BUT THE SKIN ISN'T JUST ON THE 1503 00:53:29,440 --> 00:53:30,440 OUTSIDE OF US. 1504 00:53:30,440 --> 00:53:35,800 WE HAVE RESPIRATORY EPITHELIA, 1505 00:53:35,800 --> 00:53:36,960 GASTROINTESTINAL, REPRO DUCK 1506 00:53:36,960 --> 00:53:41,040 TRI, URINARY, AUDITORY, OCULAR, 1507 00:53:41,040 --> 00:53:42,680 MUCOSAL SURFACES WHICH HAVE NOT 1508 00:53:42,680 --> 00:53:45,760 ONLY UNIQUE EPITHELIAL SURFACES, 1509 00:53:45,760 --> 00:53:48,040 EVEN IN THE GASTROINTESTINAL 1510 00:53:48,040 --> 00:53:50,360 TRACT, THERE ARE DIFFERENT PATHS 1511 00:53:50,360 --> 00:53:52,000 OF THE GASTROINTESTINAL TRACT 1512 00:53:52,000 --> 00:53:54,400 WHICH HAVE VASTLY DIFFERENT 1513 00:53:54,400 --> 00:53:55,080 DIFFERENTIATION IN THE 1514 00:53:55,080 --> 00:54:01,160 EPITHELIUM. 1515 00:54:01,160 --> 00:54:02,040 AND ANOTHER PART OF THE HOST 1516 00:54:02,040 --> 00:54:04,000 DEFENSE IS THE MICROBIOTA. 1517 00:54:04,000 --> 00:54:05,240 I KNOW THAT WAS MENTIONED 1518 00:54:05,240 --> 00:54:06,640 EARLIER, BUT THE MICROBIOME IS 1519 00:54:06,640 --> 00:54:09,040 VERY EFFECTIVE AT COMPETING OR 1520 00:54:09,040 --> 00:54:10,680 DESTROYING POTENTIALLY INVADING 1521 00:54:10,680 --> 00:54:11,560 PATHOGENS. 1522 00:54:11,560 --> 00:54:15,200 AND I THINK WHEN WE TALK ABOUT 1523 00:54:15,200 --> 00:54:16,920 HOST DEFENSES, WE OFTEN DON'T 1524 00:54:16,920 --> 00:54:18,120 THINK ABOUT THE MICROBIOME. 1525 00:54:18,120 --> 00:54:20,240 AND I'D LIKE TO PROPOSE TO YOU 1526 00:54:20,240 --> 00:54:22,040 THAT IN THE CONTEXT OF THE 1527 00:54:22,040 --> 00:54:24,040 MICROBIOME, HEALTH IS A 1528 00:54:24,040 --> 00:54:25,800 CONDITION OF SYMBIOSIS BETWEEN 1529 00:54:25,800 --> 00:54:27,960 THE HOST AND ITS DIVERSE 1530 00:54:27,960 --> 00:54:29,640 MICROBIOME, AND THAT DYSBIOSIS 1531 00:54:29,640 --> 00:54:31,040 IS A CONDITION IN WHICH THE HOST 1532 00:54:31,040 --> 00:54:33,440 IS COMPROMISED BY DISTURBANCE IN 1533 00:54:33,440 --> 00:54:35,080 ITS NORMAL MICROBIOME, LEADING 1534 00:54:35,080 --> 00:54:37,920 TO AN UNHEALTHY CONDITION, 1535 00:54:37,920 --> 00:54:39,000 ILLNESS OR EVEN DEATH. 1536 00:54:39,000 --> 00:54:40,640 AND I'M NOT EXAGGERATING WHEN I 1537 00:54:40,640 --> 00:54:42,280 SAY THAT, BECAUSE LET'S TAKE, 1538 00:54:42,280 --> 00:54:44,200 FOR EXAMPLE, A HEALTHY SYMBIOSIS 1539 00:54:44,200 --> 00:54:46,240 IN WHICH YOU INTRODUCE 1540 00:54:46,240 --> 00:54:50,400 ANTIBIOTICS FOR A VALID REASON. 1541 00:54:50,400 --> 00:54:53,560 A BROAD SPECTRUM ANTIBIOTIC WILL 1542 00:54:53,560 --> 00:54:54,880 REDUCE MICROBIOME DIVERSITY IN A 1543 00:54:54,880 --> 00:54:56,640 HOST, LEADING THEN TO THE 1544 00:54:56,640 --> 00:54:59,360 SUSCEPTIBILITY TO PATHOGENIC OR 1545 00:54:59,360 --> 00:55:00,680 PARASITIC ORGANISM SUCH AS 1546 00:55:00,680 --> 00:55:03,280 C. DIFFICILE. 1547 00:55:03,280 --> 00:55:05,680 C. DIFFICILE CAN THEN INVADE AND 1548 00:55:05,680 --> 00:55:07,560 CAUSE A LIFE-THREATENING 1549 00:55:07,560 --> 00:55:09,120 DISEASE, AND IN FACT, FURTHER 1550 00:55:09,120 --> 00:55:11,520 ANTIBIOTICS MAY ACTUALLY 1551 00:55:11,520 --> 00:55:13,160 EXACERBATE THE INFECTION AND 1552 00:55:13,160 --> 00:55:14,560 ACCENTUATE THE DYSBIOSIS AND 1553 00:55:14,560 --> 00:55:19,720 PROVIDE AN EVEN STRONGER BIAS 1554 00:55:19,720 --> 00:55:21,680 FOR C. DIFFICILE TO TAKE HOLD. 1555 00:55:21,680 --> 00:55:28,800 AS WE SEE, FECAL GAVAGE CAN 1556 00:55:28,800 --> 00:55:30,520 ACTUALLY SAVE LIVES, WHEN DOING 1557 00:55:30,520 --> 00:55:32,720 IT FROM HEALTHY VOLUNTEERS AND 1558 00:55:32,720 --> 00:55:33,840 SUCCESSFULLY SAVING LIVES AS 1559 00:55:33,840 --> 00:55:36,240 MANY CENTERS GLOBALLY HAVE BEEN 1560 00:55:36,240 --> 00:55:36,400 DOG. 1561 00:55:36,400 --> 00:55:37,880 IN FACT THIS THERAPY, AS CRUDE 1562 00:55:37,880 --> 00:55:39,600 AS IT IS, HAS BEEN ACCEPTED BY 1563 00:55:39,600 --> 00:55:40,360 REGULATORY AUTHORITIES IN THE 1564 00:55:40,360 --> 00:55:41,360 U.K. AND WE'RE NOW THINKING 1565 00:55:41,360 --> 00:55:44,320 ABOUT USING IT FOR DISEASES SUCH 1566 00:55:44,320 --> 00:55:47,640 AS M.E., AND WE'RE THINKING 1567 00:55:47,640 --> 00:55:48,920 ABOUT IT IN TERMS OF AGING AND 1568 00:55:48,920 --> 00:55:50,560 TRYING TO PROMOTE HEALTHY AGING 1569 00:55:50,560 --> 00:55:54,720 IN A DICE A DYSBIOSIS SITUA. 1570 00:55:54,720 --> 00:55:56,680 EVEN PRE-TERM INFANTS GIVEN 1571 00:55:56,680 --> 00:56:00,960 MATERNAL FLORA MICROBIOME 1572 00:56:00,960 --> 00:56:02,240 INOCULUM, IT'S A LIFE SAVING 1573 00:56:02,240 --> 00:56:05,000 TREATMENT AND HAS BEEN SHOWN 1574 00:56:05,000 --> 00:56:06,960 HIGHLY SIGNIFICANTLY TO REDUCE 1575 00:56:06,960 --> 00:56:07,640 PRE-TERM INFANT DEATHS. 1576 00:56:07,640 --> 00:56:10,240 SO THE IMPACT OF A DRUG NEEDS TO 1577 00:56:10,240 --> 00:56:12,960 CONSIDER BOTH THE HOST AND ITS 1578 00:56:12,960 --> 00:56:17,320 MICROBIOME SYMBIOSIS. 1579 00:56:17,320 --> 00:56:19,200 SO THOSE ELEMENTS I'VE JUST BEEN 1580 00:56:19,200 --> 00:56:20,320 TALKING ABOUT ARE REALLY VERY 1581 00:56:20,320 --> 00:56:22,360 MUCH DIRECTED AT THE FIRST THREE 1582 00:56:22,360 --> 00:56:24,760 STEPS IN THE HOST -- IN THE 1583 00:56:24,760 --> 00:56:26,120 PATHOGEN INTERACTION WITH THE 1584 00:56:26,120 --> 00:56:28,040 HOST, NAMELY CONTACT, ATTACHMENT 1585 00:56:28,040 --> 00:56:32,680 AND ADHESION. 1586 00:56:32,680 --> 00:56:36,040 BUT TO ADDRESS LATER STAGES IN A 1587 00:56:36,040 --> 00:56:37,240 HOST PATHOGEN INTERACTION, WE 1588 00:56:37,240 --> 00:56:38,800 NEED TO BECOME -- WE NEED TO 1589 00:56:38,800 --> 00:56:41,440 MOVE AWAY FROM INNATE INTO THE 1590 00:56:41,440 --> 00:56:42,480 ADAPTIVE PROCESSES. 1591 00:56:42,480 --> 00:56:44,600 I'VE TALKED ABOUT AVOIDANCE 1592 00:56:44,600 --> 00:56:46,560 WHICH IS BEHAVIORAL, I'VE TALKED 1593 00:56:46,560 --> 00:56:49,720 ABOUT PHYSICAL BARRIERS SUCH AS 1594 00:56:49,720 --> 00:56:51,560 EPITHELIUM AND CLEARANCE SUCH AS 1595 00:56:51,560 --> 00:56:53,120 THE MUCOUS ESCALATOR, 1596 00:56:53,120 --> 00:56:55,160 COMPETITION BY THE MICROBIOME. 1597 00:56:55,160 --> 00:56:57,360 BUT THE INNATE IMMUNE SYSTEM CAN 1598 00:56:57,360 --> 00:57:01,320 CAUSE AN ALARM TO BE INITIATED 1599 00:57:01,320 --> 00:57:06,680 AND THOSE ARE BY EXAMPLE TOLL 1600 00:57:06,680 --> 00:57:11,240 LIKE RECEPTORS, NATURAL KILLER 1601 00:57:11,240 --> 00:57:13,520 CELLS OR T-CELLS, BUT AS WE 1602 00:57:13,520 --> 00:57:15,200 BECOME MORE ADAPTIVE, WE CAN 1603 00:57:15,200 --> 00:57:17,280 HAVE POLICING FOR MACROPHAGES 1604 00:57:17,280 --> 00:57:18,480 LOOKING FOR THE ANTIGEN AND THEN 1605 00:57:18,480 --> 00:57:20,760 WE HAVE THE T-CELL IMMUNE 1606 00:57:20,760 --> 00:57:22,320 RESPONSE AND DENDRITIC AND NK 1607 00:57:22,320 --> 00:57:24,600 CELLS HAVE ALSO A ROLE IN 1608 00:57:24,600 --> 00:57:25,600 POLICING. 1609 00:57:25,600 --> 00:57:28,120 AS WE BECOME MORE ADAPTIVE, 1610 00:57:28,120 --> 00:57:30,080 SPECIFIC CHEMICAL INHIBITION CAN 1611 00:57:30,080 --> 00:57:32,720 OCCUR FROM ANTIBODIES THAT ARE 1612 00:57:32,720 --> 00:57:34,160 GENERATED BY VACCINE OR PREVIOUS 1613 00:57:34,160 --> 00:57:34,520 INFECTION. 1614 00:57:34,520 --> 00:57:36,120 AND WE SEE DETECTION OF A 1615 00:57:36,120 --> 00:57:38,200 PATHOGEN BY AN ANTIBODY BINDING 1616 00:57:38,200 --> 00:57:40,680 TO THE SURFACE OF EITHER A 1617 00:57:40,680 --> 00:57:42,120 BACTERIA OR VIRUS, AND THEN 1618 00:57:42,120 --> 00:57:43,440 CREATING A FLAG BY THE FC 1619 00:57:43,440 --> 00:57:45,640 PORTION OF THE ANTIBODY, WHICH 1620 00:57:45,640 --> 00:57:47,080 THEN ENCOURAGES OTHER ELEMENTS 1621 00:57:47,080 --> 00:57:49,320 OF THE IMMUNE SYSTEM TO KICK IN. 1622 00:57:49,320 --> 00:57:51,280 WE ALSO SEE A SEEK AND DESTROY 1623 00:57:51,280 --> 00:57:53,120 FUNCTION FROM OUR ADAPTIVE 1624 00:57:53,120 --> 00:57:54,920 IMMUNE RESPONSE, WHERE 1625 00:57:54,920 --> 00:57:58,000 ANTIBODIES CAN MEDIATE KILLING 1626 00:57:58,000 --> 00:58:00,040 BY COMPLEMENT, NATURAL KILLER 1627 00:58:00,040 --> 00:58:01,640 CELLS, DENDRITIC CELLS, AND IN 1628 00:58:01,640 --> 00:58:03,000 FACT T-CELLS AND OTHER ELEMENTS 1629 00:58:03,000 --> 00:58:08,040 OF THE ADAPTIVE IMMUNE RESPONSE. 1630 00:58:08,040 --> 00:58:10,120 SO WE CAN SEE THAT IMMUNITY 1631 00:58:10,120 --> 00:58:11,120 PROVIDES US PROTECTION TO SOME 1632 00:58:11,120 --> 00:58:13,640 OF THE OTHER STEPS IN A 1633 00:58:13,640 --> 00:58:14,600 PATHOGEN-HOST INTERACTION, 1634 00:58:14,600 --> 00:58:16,640 INCLUDING INNOVATION AND 1635 00:58:16,640 --> 00:58:17,560 REPRODUCTION OF THE PATHOGEN AND 1636 00:58:17,560 --> 00:58:19,440 IT MAY EVEN PRESENT 1637 00:58:19,440 --> 00:58:20,720 DISSEMINATION OF THE PATHOGEN. 1638 00:58:20,720 --> 00:58:22,880 AND SO WE SEE THAT A MODEL THAT 1639 00:58:22,880 --> 00:58:24,760 NEEDS TO -- THAT REFLECTS THAT 1640 00:58:24,760 --> 00:58:26,640 INTERACTION HAS TO BE EXTREMELY 1641 00:58:26,640 --> 00:58:32,120 COMPLEX. 1642 00:58:32,120 --> 00:58:36,160 BUT WE STILL HAVE A GAP IN THAT 1643 00:58:36,160 --> 00:58:37,000 PATHOGEN INTERACTION. 1644 00:58:37,000 --> 00:58:39,320 THE GAP BEING INNOVATION, 1645 00:58:39,320 --> 00:58:40,120 TRANSCRIPTION, PIRACY, 1646 00:58:40,120 --> 00:58:41,200 INTERFERENCE WITH THE HOST AND 1647 00:58:41,200 --> 00:58:42,600 EVEN ASSEMBLY OF THE VIRUS. 1648 00:58:42,600 --> 00:58:43,920 DRUGS CAN BE VERY EFFECTIVE AT 1649 00:58:43,920 --> 00:58:44,440 DOING THAT. 1650 00:58:44,440 --> 00:58:47,760 BUT WHEN I SAY THERAPEUTICS, 1651 00:58:47,760 --> 00:58:49,160 THAT'S ALSO INCLUDING SMALL 1652 00:58:49,160 --> 00:58:51,800 MOLECULES SUCH AS ANTIBODIES OR 1653 00:58:51,800 --> 00:58:53,080 NANOBODIES WHICH OVERLAP INTO 1654 00:58:53,080 --> 00:58:55,840 OUR ADAPTIVE IMMUNE SYSTEM. 1655 00:58:55,840 --> 00:58:58,240 SO IF WE'RE GOING TO MODEL A 1656 00:58:58,240 --> 00:58:59,680 THERAPEUTIC WHICH HAS THAT TYPE 1657 00:58:59,680 --> 00:59:03,080 OF COMPLEXITY, WE HAVE TO HAVE A 1658 00:59:03,080 --> 00:59:07,320 MODEL THAT'S SUITABLE TO DO SO. 1659 00:59:07,320 --> 00:59:08,760 SO WHEN I TALK ABOUT MODEL 1660 00:59:08,760 --> 00:59:10,160 SUITABILITY, I WANT TO BEGIN BY 1661 00:59:10,160 --> 00:59:11,360 TALKING ABOUT THE INTERACTION OF 1662 00:59:11,360 --> 00:59:15,960 A SELECT AGENT WITH THE HOST 1663 00:59:15,960 --> 00:59:16,520 CELL. 1664 00:59:16,520 --> 00:59:17,920 WHEN WE TALK ABOUT SELECT 1665 00:59:17,920 --> 00:59:20,440 AGENTS, THAT DOES INCLUDE 1666 00:59:20,440 --> 00:59:21,640 EUKARYOTES, PRO CARE YOATS, 1667 00:59:21,640 --> 00:59:22,760 VIRUSES, WHICH IS THE SUBJECT OF 1668 00:59:22,760 --> 00:59:24,280 TODAY'S AND TOMORROW'S TALKS, 1669 00:59:24,280 --> 00:59:27,320 BUT ALSO TOXINS. 1670 00:59:27,320 --> 00:59:31,120 WHEN WE TALK ABOUT ANTIBIOTICS, 1671 00:59:31,120 --> 00:59:33,000 WE NATURALLY THINK ABOUT 1672 00:59:33,000 --> 00:59:36,720 ANTIBIOTICS TARGETING THE 1673 00:59:36,720 --> 00:59:38,320 PROKARYOTES, BUT THEY ACT 1674 00:59:38,320 --> 00:59:42,840 DIRECTLY ON THE SELECT AGENT. 1675 00:59:42,840 --> 00:59:45,960 SO THOSE DRUGS TARGET THE 1676 00:59:45,960 --> 00:59:47,320 REPRODUCTIVE PROCESSES OR 1677 00:59:47,320 --> 00:59:48,640 VULNERABILITIES OF BOTH YOU'RE 1678 00:59:48,640 --> 00:59:52,120 CARE YOTS AND PROKARYOTICS 1679 00:59:52,120 --> 00:59:53,640 DIRECTLY AND THAT KILLS THEM OR 1680 00:59:53,640 --> 00:59:58,280 STOPS REPRODUCTION DIRECTLY. 1681 00:59:58,280 --> 00:59:59,600 BUT WHEN WE TALK ABOUT AN 1682 00:59:59,600 --> 01:00:10,120 ANTIVIRAL DRUG, S, IT NEEDS TO 1683 01:00:10,960 --> 01:00:12,120 TARGET THE REPLICATED MECHANISMS 1684 01:00:12,120 --> 01:00:14,000 AND IT NEEDS A HIGH FIDELITY 1685 01:00:14,000 --> 01:00:15,400 HUMAN HOST MODEL. 1686 01:00:15,400 --> 01:00:17,280 IT MAY BE THAT SOME CANCER CELL 1687 01:00:17,280 --> 01:00:18,640 LINES OR OTHER CELL LINES MAY 1688 01:00:18,640 --> 01:00:24,400 NOT PROIF THIS PROVIDE THF 1689 01:00:24,400 --> 01:00:29,840 METABOLIC COMPLEXITY AND THIS IS 1690 01:00:29,840 --> 01:00:31,280 WHERE 3D MODELS MAY OFFER THE 1691 01:00:31,280 --> 01:00:32,080 COMPLEXITY THAT IS REQUIRED 1692 01:00:32,080 --> 01:00:34,440 BECAUSE YOU CAN THEN USE DRUGS 1693 01:00:34,440 --> 01:00:36,080 THAT TARGET THE CORRECT 1694 01:00:36,080 --> 01:00:37,400 MECHANISMS WITHIN THE HOST CELL 1695 01:00:37,400 --> 01:00:46,120 FOR WHICH THE VIRUS IS RELIANT. 1696 01:00:46,120 --> 01:00:47,680 I NO VACCINES AREN'T TOPIC TODAY 1697 01:00:47,680 --> 01:00:49,120 BUT WE NEED TO CONSIDER THE HOST 1698 01:00:49,120 --> 01:00:51,720 IMMUNE SYSTEM IS ABSOLUTELY 1699 01:00:51,720 --> 01:00:54,240 PIVOTAL FOR THE ACTION OF A 1700 01:00:54,240 --> 01:00:55,440 VACCINE, A VACCINE THAT CAN ONLY 1701 01:00:55,440 --> 01:00:57,200 WORK IF THE HOST IMMUNE SYSTEM 1702 01:00:57,200 --> 01:00:58,080 RESPONDS TO IT AND IT'S ONLY 1703 01:00:58,080 --> 01:00:59,320 THROUGH THE HOST IMMUNE RESPONSE 1704 01:00:59,320 --> 01:01:01,680 THAT YOU CAN SEE INHIBITION OF 1705 01:01:01,680 --> 01:01:08,040 REPRODUCTION OR KILLING. 1706 01:01:08,040 --> 01:01:11,080 SOME THERAPEUTIC DRUGS ACTUALLY 1707 01:01:11,080 --> 01:01:13,480 HAVE AN IMMUNE FUNCTION, AND WE 1708 01:01:13,480 --> 01:01:16,760 CAN SEE HERE IN THE DIAGRAM THAT 1709 01:01:16,760 --> 01:01:17,880 THOSE THERAPEUTIC DRUGS ARE 1710 01:01:17,880 --> 01:01:20,840 ACCESSING THE HOST IMMUNE SYSTEM 1711 01:01:20,840 --> 01:01:22,400 TO GENERATE THEIR EFFECT ON THE 1712 01:01:22,400 --> 01:01:24,120 HUMAN HOST. 1713 01:01:24,120 --> 01:01:27,200 SO THERAPEUTIC MONOCLONALS AND 1714 01:01:27,200 --> 01:01:28,680 NANOPARTICLES MAY ACT DIRECTLY 1715 01:01:28,680 --> 01:01:32,000 OR INDIRECTLY ON THE HOST IMMUNE 1716 01:01:32,000 --> 01:01:33,640 SYSTEM. 1717 01:01:33,640 --> 01:01:38,000 AN EXAMPLE IS A MONOCLONAL 1718 01:01:38,000 --> 01:01:39,000 ANTIBODY MAY ACTUALLY PROVIDE A 1719 01:01:39,000 --> 01:01:41,280 LINK TO A NATURAL KILLER CELL TO 1720 01:01:41,280 --> 01:01:46,280 TARGET BY THE FC PORTION. 1721 01:01:46,280 --> 01:01:48,840 WHAT I WANTED TO DO IS BUILD ON 1722 01:01:48,840 --> 01:01:50,480 SOME OF THE POINTS THAT WERE 1723 01:01:50,480 --> 01:01:52,200 RAISED IN THE INTRODUCTORY TALKS 1724 01:01:52,200 --> 01:01:55,480 AND PROVIDE A QUALITATIVE 1725 01:01:55,480 --> 01:01:58,000 ASSESSMENT OF IN VITRO MODELS 1726 01:01:58,000 --> 01:02:00,160 ENGAGED IN IN VIVO ALTERNATIVES. 1727 01:02:00,160 --> 01:02:01,600 WHEN WE TALK ABOUT A HUMAN 1728 01:02:01,600 --> 01:02:03,000 POPULATION, A HUMAN POPULATION 1729 01:02:03,000 --> 01:02:04,800 HAS VAST GENETIC DIVERSITY, BUT 1730 01:02:04,800 --> 01:02:06,760 WITHIN THAT GENETIC DIVERSITY, 1731 01:02:06,760 --> 01:02:09,600 EACH PERSON HAS WITHIN THEM MANY 1732 01:02:09,600 --> 01:02:11,800 BODY SYSTEMS AND I'VE LISTED 11 1733 01:02:11,800 --> 01:02:16,400 OF THESE BODY SYSTEMS. 1734 01:02:16,400 --> 01:02:17,800 AND THAT COMPLEXITY OF THE HOST 1735 01:02:17,800 --> 01:02:19,240 POPULATION IS ACTIVELY REFLECTED 1736 01:02:19,240 --> 01:02:22,400 IN HUMAN CLINICAL TRIALS, AND IN 1737 01:02:22,400 --> 01:02:23,840 HUMAN CHALLENGE STUDIES, AND 1738 01:02:23,840 --> 01:02:25,920 IT'S FAIRLY WELL REFLECTED IN 1739 01:02:25,920 --> 01:02:28,840 ANIMAL MODELS. 1740 01:02:28,840 --> 01:02:30,600 BUT IN VERO CELLS, FOR EXAMPLE, 1741 01:02:30,600 --> 01:02:31,720 MANY OF THOSE BODY SYSTEMS ARE 1742 01:02:31,720 --> 01:02:36,760 NOT U.S. RT POOED SUPPORT 1743 01:02:36,760 --> 01:02:38,680 YOU COULD SAY THE URINARY TRACT 1744 01:02:38,680 --> 01:02:42,520 IS SUPPORTED BECAUSE THERE ARE 1745 01:02:42,520 --> 01:02:43,640 CELLS, MONKEY KIDNEY CELLS THAT 1746 01:02:43,640 --> 01:02:45,240 ARE NOT FULLY DIFFERENTIATED IN 1747 01:02:45,240 --> 01:02:47,240 TERMS OF A MONKEY KIDNEY, SO 1748 01:02:47,240 --> 01:02:52,680 GIVE IT A PLUS OR MINUS. 1749 01:02:52,680 --> 01:02:55,520 MICROPHYSIOLOGICAL SYSTEMS HAVE 1750 01:02:55,520 --> 01:02:56,400 REVOLUTIONIZED IN VITRO 1751 01:02:56,400 --> 01:02:58,080 TECHNOLOGY AND IT MAY BE THAT 1752 01:02:58,080 --> 01:02:59,600 THESE COMPLEX IN VITRO SYSTEMS 1753 01:02:59,600 --> 01:03:04,840 CAN ADD SOME SYSTEM 1754 01:03:04,840 --> 01:03:07,080 REPRESENTATION BECAUSE YOU CAN 1755 01:03:07,080 --> 01:03:09,120 GET MORE THAN ONE TISSUE TYPE 1756 01:03:09,120 --> 01:03:09,640 INTO ONE CHIP. 1757 01:03:09,640 --> 01:03:12,160 SO FOR EXAMPLE, IN A SINGLE 1758 01:03:12,160 --> 01:03:12,800 MICROPHYSIOLOGICAL SYSTEM, YOU 1759 01:03:12,800 --> 01:03:15,320 MIGHT HAVE BOTH RESPIRATORY AND 1760 01:03:15,320 --> 01:03:16,720 CIRCULATORY CELLS REPRESENTED IN 1761 01:03:16,720 --> 01:03:18,640 ONE CHIP, AND IF YOU 1762 01:03:18,640 --> 01:03:20,160 INTERCONNECT TWO CHIPS, YOU 1763 01:03:20,160 --> 01:03:22,880 MIGHT, FOR EXAMPLE, BE ABLE TO 1764 01:03:22,880 --> 01:03:25,720 GET NEURAL, RESPIRATORY AND 1765 01:03:25,720 --> 01:03:26,400 CIRCULATORY REPRESENTATION. 1766 01:03:26,400 --> 01:03:28,240 SO WE CAN SEE WE'RE GETTING 1767 01:03:28,240 --> 01:03:30,880 BETTER BODY SYSTEMS 1768 01:03:30,880 --> 01:03:32,320 REPRESENTATION IN THE 1769 01:03:32,320 --> 01:03:36,440 MICROPHYSIOLOGICAL SYSTEMS. 1770 01:03:36,440 --> 01:03:38,000 IF I START ASSIGNING SINGLE 1771 01:03:38,000 --> 01:03:39,080 SCORE POINTS TO EACH TIP AND 1772 01:03:39,080 --> 01:03:40,520 BUILDING UP A QUALITATIVE 1773 01:03:40,520 --> 01:03:42,000 ASSESSMENT, BUT WHEN WE TALK 1774 01:03:42,000 --> 01:03:46,200 ABOUT PROTECTION IN HUMAN 1775 01:03:46,200 --> 01:03:46,840 POPULATION, AS I REFERRED TO 1776 01:03:46,840 --> 01:03:49,240 EARLIER, WE HAVE BEHAVIORAL 1777 01:03:49,240 --> 01:03:50,360 PROTECTION THROUGH AVOIDANCE, WE 1778 01:03:50,360 --> 01:03:52,800 HAVE PHYSICAL PROTECTION FROM 1779 01:03:52,800 --> 01:03:54,920 THE SKIN, INNATE PROTECTION FROM 1780 01:03:54,920 --> 01:03:57,880 IMMUNE SYSTEM, AND ACQUIRED 1781 01:03:57,880 --> 01:03:58,240 IMMUNITY. 1782 01:03:58,240 --> 01:04:00,240 AND YOU CAN SEE HUMAN CLINICAL 1783 01:04:00,240 --> 01:04:02,360 TRIALS ACCURATELY REPRESENT 1784 01:04:02,360 --> 01:04:03,480 HUMAN POPULATIONS. 1785 01:04:03,480 --> 01:04:06,400 BUT HUMAN CHALLENGE DOES NOT 1786 01:04:06,400 --> 01:04:08,960 HAVE THAT BEHAVIORAL AVOIDANCE 1787 01:04:08,960 --> 01:04:10,800 THAT THE HUMAN POPULATION HAS, 1788 01:04:10,800 --> 01:04:12,560 BECAUSE THE SUBJECTS ARE BEING 1789 01:04:12,560 --> 01:04:14,840 DELIBERATELY INFECTED IN THE SAY 1790 01:04:14,840 --> 01:04:16,800 WAY ANIMAL MODEL IS, SO WE'RE 1791 01:04:16,800 --> 01:04:19,000 USING A SCORE THERE FOR BOTH 1792 01:04:19,000 --> 01:04:19,880 HUMAN CHALLENGE AND ANIMAL 1793 01:04:19,880 --> 01:04:20,840 MODELS. 1794 01:04:20,840 --> 01:04:23,040 IN IN VITRO SYSTEM, ONCE AGAIN, 1795 01:04:23,040 --> 01:04:25,240 VERO CELLS MAY REPRESENT INNATE 1796 01:04:25,240 --> 01:04:28,520 PROTECTION, BUT THEY DO HAVE 1797 01:04:28,520 --> 01:04:31,160 COMPROMISED INTERFERON 1798 01:04:31,160 --> 01:04:33,080 CHROMOSOME, WHEREAS IN OUR 1799 01:04:33,080 --> 01:04:34,320 MICROPHYSIOLOGICAL SYSTEM, WE'RE 1800 01:04:34,320 --> 01:04:37,160 USING CELLS THAT HAVE GOOD 1801 01:04:37,160 --> 01:04:38,560 INNATE PROTECTION AND GOOD 1802 01:04:38,560 --> 01:04:42,080 PHYSICAL PROTECTION. 1803 01:04:42,080 --> 01:04:44,280 SO YOU CAN SEE THE SCORES ARE 1804 01:04:44,280 --> 01:04:46,000 SLIGHTLY BUILDING UP THERE ON 1805 01:04:46,000 --> 01:04:46,600 MICROPHYSIOLOGICAL SYSTEMS IN 1806 01:04:46,600 --> 01:04:50,400 TERMS OF THIS ARBITRARY 1807 01:04:50,400 --> 01:04:50,960 SCORECARD. 1808 01:04:50,960 --> 01:04:52,440 I WANT TO NOW EXTEND THAT 1809 01:04:52,440 --> 01:04:54,120 SCORECARD TO TALK ABOUT 1810 01:04:54,120 --> 01:04:54,640 SCIENTIFIC VARIABLES. 1811 01:04:54,640 --> 01:04:56,440 WHEN WE TALK ABOUT HUMAN 1812 01:04:56,440 --> 01:04:59,120 POPULATIONS, WE HAVE NO IDEA 1813 01:04:59,120 --> 01:05:02,000 ABOUT PREVIOUS EXPOSURE, AND 1814 01:05:02,000 --> 01:05:03,400 IT'S VERY DIFFICULT TO ESTABLISH 1815 01:05:03,400 --> 01:05:07,560 THAT IN HUMAN CLINICAL TRIALS. 1816 01:05:07,560 --> 01:05:08,760 CERTAINLY IF YOU HAVE A 1817 01:05:08,760 --> 01:05:10,080 VOLUNTEER FOR HUMAN CHALLENGE, 1818 01:05:10,080 --> 01:05:11,160 IT'S NOW BECOMING VERY DIFFICULT 1819 01:05:11,160 --> 01:05:12,880 TO KNOW WHETHER OR NOT ANY 1820 01:05:12,880 --> 01:05:17,080 VOLUNTEER HAS HAD PREVIOUS 1821 01:05:17,080 --> 01:05:21,000 INFECTION WITH SARS-COV-2 OR 1822 01:05:21,000 --> 01:05:22,560 CROSS-REACTING CORONAVIRUS, 1823 01:05:22,560 --> 01:05:24,520 BECAUSE SEROLOGY MAY NOT GIVE 1824 01:05:24,520 --> 01:05:27,360 YOU THAT READOUT OF DEEP BONE 1825 01:05:27,360 --> 01:05:33,920 MARROW MEMORY IN THE T-CELLS. 1826 01:05:33,920 --> 01:05:35,800 WE WON'T KNOW THE EXPOSURE ROUTE 1827 01:05:35,800 --> 01:05:40,160 OR THE DOSE THAT PEOPLE HAD 1828 01:05:40,160 --> 01:05:42,120 RECEIVED OF A PATHOGEN IN A 1829 01:05:42,120 --> 01:05:45,840 HUMAN CLINICAL TRIAL, AND WE 1830 01:05:45,840 --> 01:05:47,280 DON'T KNOW THAT IN THE HUMAN 1831 01:05:47,280 --> 01:05:47,760 POPULATION. 1832 01:05:47,760 --> 01:05:49,120 IN THE HUMAN CHALLENGE, WE DO 1833 01:05:49,120 --> 01:05:52,320 KNOW THAT BECAUSE WE GIVE 1834 01:05:52,320 --> 01:05:54,040 THEM -- NOT WE, BUT WHOEVER DOES 1835 01:05:54,040 --> 01:05:57,120 THAT WOULD GIVE A KNOWN DOSE BY 1836 01:05:57,120 --> 01:05:58,520 A KNOWN ROUTE, AND THAT'S TRUE 1837 01:05:58,520 --> 01:06:00,840 FOR ANIMAL MODELS, WHERE WE CAN 1838 01:06:00,840 --> 01:06:03,240 VERY CAREFULLY ADMINISTER EXACT 1839 01:06:03,240 --> 01:06:05,200 DOSES WITH A KNOWN ROUTE. 1840 01:06:05,200 --> 01:06:09,200 AND WE CAN COULD THAT IN IN 1841 01:06:09,200 --> 01:06:10,680 VITRO SYSTEMS SO ALL THE YESES 1842 01:06:10,680 --> 01:06:19,960 GET A GREEN BOX FOR EXTRA POINT. 1843 01:06:19,960 --> 01:06:23,040 PREVIOUS EXPOSURE -- WELL 1844 01:06:23,040 --> 01:06:24,000 VALIDATED BREEDING FACILITY AND 1845 01:06:24,000 --> 01:06:25,560 OF COURSE OUR CELL CULTURES WILL 1846 01:06:25,560 --> 01:06:29,040 BE EXPOSURE -- AS WELL. 1847 01:06:29,040 --> 01:06:30,840 IN TERMS OF EXISTING IMMUNITY, 1848 01:06:30,840 --> 01:06:31,800 I'VE SAID BEFORE IT'S VERY 1849 01:06:31,800 --> 01:06:33,840 DIFFICULT TO KNOW WHAT LEVELS OF 1850 01:06:33,840 --> 01:06:35,640 IMMUNITY VOLUNTEERS OR TRIAL 1851 01:06:35,640 --> 01:06:38,360 PARTICIPANTS HAVE, BUT OF COURSE 1852 01:06:38,360 --> 01:06:40,760 ANIMALS OR TISSUE CULTURE WILL 1853 01:06:40,760 --> 01:06:45,240 NOT HAVE ANY EXISTING IMMUNITY. 1854 01:06:45,240 --> 01:06:46,680 THERE IS GREAT GENETIC 1855 01:06:46,680 --> 01:06:47,520 VARIABILITY AS DISCUSSED EARLIER 1856 01:06:47,520 --> 01:06:49,520 IN POPULATIONS AND IN CLINICAL 1857 01:06:49,520 --> 01:06:51,800 TRIALS, THAT CAN BE WELL 1858 01:06:51,800 --> 01:06:53,120 REPRESENTED, AND IN A HUMAN 1859 01:06:53,120 --> 01:06:54,320 CHALLENGE, THAT CAN ALSO BE 1860 01:06:54,320 --> 01:06:56,600 REPRESENTED. 1861 01:06:56,600 --> 01:06:57,960 OBVIOUSLY IN ANIMAL MODEL, THEY 1862 01:06:57,960 --> 01:07:04,400 TEND TO BE INNATE IN BRED 1863 01:07:04,400 --> 01:07:07,040 ANIMALS BUT OF COURSE YOU CAN 1864 01:07:07,040 --> 01:07:08,760 SUES DIFFERENT HAPLOTYPES WITHIN 1865 01:07:08,760 --> 01:07:13,120 ANIMAL MODELS TO REPLICATE 1866 01:07:13,120 --> 01:07:15,000 WHAT'S HAPPENING IN THE HUMAN 1867 01:07:15,000 --> 01:07:15,520 CHALLENGE. 1868 01:07:15,520 --> 01:07:19,880 OBVIOUSLY WE COULD TAKE 1869 01:07:19,880 --> 01:07:21,760 REPRESENTATIVES AND GET 1870 01:07:21,760 --> 01:07:23,200 DONATIONS FROM DIFFERENT GENETIC 1871 01:07:23,200 --> 01:07:24,840 GROUPS SO THOSE COULD BE YESES. 1872 01:07:24,840 --> 01:07:26,480 IN TERMS OF UNDERLYING 1873 01:07:26,480 --> 01:07:31,280 CONDITIONS, IN HUMAN CLINICAL 1874 01:07:31,280 --> 01:07:33,040 TRIALS, THERE CAN BE MANY 1875 01:07:33,040 --> 01:07:35,000 UNDERLYING CONDITIONS BUT IN A 1876 01:07:35,000 --> 01:07:36,400 HUMAN CLINICAL TRIAL, THERE 1877 01:07:36,400 --> 01:07:37,520 WON'T BE ANY BECAUSE WE CAN 1878 01:07:37,520 --> 01:07:39,480 SELECT THOSE CLINICAL UNDERLYING 1879 01:07:39,480 --> 01:07:40,360 CONDITIONS OUT AND THAT'S THE 1880 01:07:40,360 --> 01:07:43,000 SAME IN ANIMAL MODELS AND 1881 01:07:43,000 --> 01:07:45,280 MICROPHYSIOLOGICAL SYSTEMS, 1882 01:07:45,280 --> 01:07:47,480 BECAUSE IN VERO CELLS, THERE IS 1883 01:07:47,480 --> 01:07:48,360 EFFECTIVELY AN UNDERLYING 1884 01:07:48,360 --> 01:07:50,080 CONDITION BECAUSE THERE IS NO 1885 01:07:50,080 --> 01:07:53,480 INTERFERON PRODUCTION. 1886 01:07:53,480 --> 01:07:55,000 IN TERMS OF RISK OF HARM, THAT 1887 01:07:55,000 --> 01:07:57,960 WAS MENTIONED EARLIER IN A HUMAN 1888 01:07:57,960 --> 01:08:01,480 POPULATION, THERE'S LOW RISK OF 1889 01:08:01,480 --> 01:08:01,800 HARM. 1890 01:08:01,800 --> 01:08:03,560 IN A HUMAN CLINICAL TRIAL, 1891 01:08:03,560 --> 01:08:05,280 THERE'S MODERATE RISK OF HARM 1892 01:08:05,280 --> 01:08:06,960 BECAUSE THAT PLACEBO IS NOT 1893 01:08:06,960 --> 01:08:07,800 PROVIDING PROTECTION OF THE 1894 01:08:07,800 --> 01:08:08,600 VACCINE UNLESS YOU MITIGATE 1895 01:08:08,600 --> 01:08:08,920 THAT. 1896 01:08:08,920 --> 01:08:10,440 AND CERTAINLY IF YOU WANT TO DO 1897 01:08:10,440 --> 01:08:11,880 A HUMAN CHALLENGE WITH A SELECT 1898 01:08:11,880 --> 01:08:13,040 AGENT, THERE'S A HIGH RISK OF 1899 01:08:13,040 --> 01:08:14,040 HARM HERE. 1900 01:08:14,040 --> 01:08:16,680 IN TERMS OF ANIMALS, THERE'S A 1901 01:08:16,680 --> 01:08:20,640 MODERATE RISK OF HARM, BOTH ET 1902 01:08:20,640 --> 01:08:24,520 CAL AND IN TERMS OF SUFFERING, 1903 01:08:24,520 --> 01:08:26,960 BUT IN TERMS OF IN VITRO AND 1904 01:08:26,960 --> 01:08:27,840 MICROPHYSIOLOGICAL SYSTEMS, THE 1905 01:08:27,840 --> 01:08:30,560 RISK OF HARM IS EXTREMELY LOW, 1906 01:08:30,560 --> 01:08:32,960 HANDLED IN A CATEGORY 1907 01:08:32,960 --> 01:08:33,400 3 LABORATORY. 1908 01:08:33,400 --> 01:08:34,960 AND OF COURSE ANIMAL MODELS ARE 1909 01:08:34,960 --> 01:08:38,160 NOT HUMAN, AND VERO CELLS AREN'T 1910 01:08:38,160 --> 01:08:39,880 HUMAN EITHER, BUT 1911 01:08:39,880 --> 01:08:40,760 MICROPHYSIOLOGICAL SYSTEMS GIVE 1912 01:08:40,760 --> 01:08:41,800 YOU A HUMAN REPRESENTATION IN 1913 01:08:41,800 --> 01:08:45,760 THE WAY THAT THE OTHER IN VITRO 1914 01:08:45,760 --> 01:08:46,320 SYSTEMS DON'T. 1915 01:08:46,320 --> 01:08:48,040 SO IF I ADD ALL OF THESE 1916 01:08:48,040 --> 01:08:48,720 QUALITATIVE POINTS TOGETHER, YOU 1917 01:08:48,720 --> 01:08:51,240 CAN SEE THAT THE 1918 01:08:51,240 --> 01:08:52,120 MICROPHYSIOLOGICALS' SCORE HAS 1919 01:08:52,120 --> 01:08:54,280 ACTUALLY CREPT UP QUITE WELL. 1920 01:08:54,280 --> 01:08:56,160 AND I HAVEN'T DONE THIS YET, BUT 1921 01:08:56,160 --> 01:08:59,760 IF WE ADD IN ACQUIRED IMMUNITY 1922 01:08:59,760 --> 01:09:02,520 INTO MICROPHYSIOLOGICAL SYSTEMS, 1923 01:09:02,520 --> 01:09:04,040 I THINK THEIR QUALITATIVE SCORE 1924 01:09:04,040 --> 01:09:06,320 WILL POSSIBLY REACH OR EXCEED 1925 01:09:06,320 --> 01:09:08,400 THAT OF THESE OTHER TYPES OF 1926 01:09:08,400 --> 01:09:12,560 HUMAN CLINICAL TRIAL. 1927 01:09:12,560 --> 01:09:13,880 SO NOW I WANT TO TALK ABOUT 1928 01:09:13,880 --> 01:09:14,320 TOXICOLOGY. 1929 01:09:14,320 --> 01:09:15,560 I KNOW IT WAS MENTIONED EARLIER 1930 01:09:15,560 --> 01:09:16,800 AS WELL. 1931 01:09:16,800 --> 01:09:19,120 TOXICOLOGY IS IN SOME RESPECTS A 1932 01:09:19,120 --> 01:09:21,320 FAIRLY SIMPLE SCIENTIFIC ASPECT 1933 01:09:21,320 --> 01:09:23,280 OF BIOLOGICAL SCIENCE, BECAUSE 1934 01:09:23,280 --> 01:09:25,440 IT INVOLVES CELL CULTURE, CELL 1935 01:09:25,440 --> 01:09:29,080 BIOLOGY, MOLECULAR BIOLOGY, 1936 01:09:29,080 --> 01:09:30,640 THERE'S BEAUTIFUL ROBOTICS AND 1937 01:09:30,640 --> 01:09:35,440 MICRO FLUIDICS NA HAVE THATN 1938 01:09:35,440 --> 01:09:36,960 ADVANCED IN THE LAST DECADE, AND 1939 01:09:36,960 --> 01:09:39,120 THOSE PK AND PD STUDIES ARE VERY 1940 01:09:39,120 --> 01:09:40,240 PRECISE AND ACCURATE. 1941 01:09:40,240 --> 01:09:42,640 AND ACTUALLY HAVE BEEN VERY 1942 01:09:42,640 --> 01:09:46,800 ILLUMINATING FOR REGULATORS. 1943 01:09:46,800 --> 01:09:48,200 BUT WHEN WE TALK ABOUT CANCER 1944 01:09:48,200 --> 01:09:49,560 RESEARCH, THERE'S ANOTHER ORDER 1945 01:09:49,560 --> 01:09:51,200 OF COMPLEXITY IN THOSE STUDIES. 1946 01:09:51,200 --> 01:09:54,360 BECAUSE NOW YOU INCLUDE 1947 01:09:54,360 --> 01:10:03,000 IMMUNOHISTO PATHOLOGY, HUMAN 1948 01:10:03,000 --> 01:10:07,920 IN SITU HYBRIDIZATION, 1949 01:10:07,920 --> 01:10:10,960 BIOLUMINESCENCE, POSSIBLY 1950 01:10:10,960 --> 01:10:12,720 TRANSCRIPTOMICS AND PROTEOMICS. 1951 01:10:12,720 --> 01:10:14,200 BUT CANCER RESEARCH IS ALSO 1952 01:10:14,200 --> 01:10:16,640 PERHAPS LESS COMPLICATED THAN 1953 01:10:16,640 --> 01:10:18,000 VIROLOGY, BECAUSE VIROLOGY HAS 1954 01:10:18,000 --> 01:10:19,920 ALL OF THE COMPONENTS OF CANCER 1955 01:10:19,920 --> 01:10:21,560 RESEARCH ON TOP OF THE 1956 01:10:21,560 --> 01:10:29,080 REQUIREMENTS TO HANDLE BSL LEVEL 1957 01:10:29,080 --> 01:10:31,640 3 PATHOGENS AND IT REQUIRES 1958 01:10:31,640 --> 01:10:32,600 ILLUMINATION AND TITRATION OF 1959 01:10:32,600 --> 01:10:34,120 THOSE PATHOGENS, SEROLOGY 1960 01:10:34,120 --> 01:10:36,280 AGAINST THE PATHOGEN AND 1961 01:10:36,280 --> 01:10:37,200 IMMUNOLOGY AGAINST THE PATHOGEN 1962 01:10:37,200 --> 01:10:38,160 OF INTEREST. 1963 01:10:38,160 --> 01:10:39,840 BUT IT DOES HAVE MANY OF THE 1964 01:10:39,840 --> 01:10:41,480 FEATURES OF THE TWO OTHER 1965 01:10:41,480 --> 01:10:48,920 FACULTIES OF BIOLOGICAL SCIENCE. 1966 01:10:48,920 --> 01:10:50,440 I WAS SURPRISED AT THIS AND I 1967 01:10:50,440 --> 01:10:52,720 WANTED TO DRAW TO EVERYBODY'S 1968 01:10:52,720 --> 01:10:55,480 ATTENTION, THAT THERE IS 1969 01:10:55,480 --> 01:10:56,800 REGULATORY ADAPTATION OCCURRING 1970 01:10:56,800 --> 01:11:00,480 AS WE SPEAK IN THE FDA 1971 01:11:00,480 --> 01:11:05,080 MODERNIZATION ACT OF 2021, HERE 1972 01:11:05,080 --> 01:11:06,400 ON THE LEFT-HAND SIDE, THE 1973 01:11:06,400 --> 01:11:07,680 PHRASE THEY WANT TO USE 1974 01:11:07,680 --> 01:11:08,920 ALTERNATIVE TESTING METHODS TO 1975 01:11:08,920 --> 01:11:10,440 ANIMAL TESTING TO INVESTIGATE 1976 01:11:10,440 --> 01:11:11,440 THE SAFETY AND EFFECTIVENESS OF 1977 01:11:11,440 --> 01:11:13,080 A DRUG AND FOR OTHER PURPOSES. 1978 01:11:13,080 --> 01:11:16,320 AND THIS HAS BEEN SUPPORTED BY 1979 01:11:16,320 --> 01:11:17,680 JIM CORBETT AND MANY OTHER 1980 01:11:17,680 --> 01:11:18,520 PEOPLE, SUGGESTING THAT SOME OF 1981 01:11:18,520 --> 01:11:22,040 THE AP MALL ANIMAL STUDIES E 1982 01:11:22,040 --> 01:11:23,360 OCCURRED HAVE LED TO THE WRONG 1983 01:11:23,360 --> 01:11:24,360 CONCLUSION WHEN IT COMES TO 1984 01:11:24,360 --> 01:11:24,840 HUMANS. 1985 01:11:24,840 --> 01:11:27,400 SO WHAT WE'RE SEEING HERE IS A 1986 01:11:27,400 --> 01:11:30,000 PARADIGM SHIFT IN REGULATORY 1987 01:11:30,000 --> 01:11:31,640 ACCEPTANCE OF MICROPHYSIOLOGICAL 1988 01:11:31,640 --> 01:11:32,320 SYSTEMS. 1989 01:11:32,320 --> 01:11:39,560 INTO AND I CAN I I CASSIS 1990 01:11:39,560 --> 01:11:40,640 IN TOXICOLOGY AND CANCER 1991 01:11:40,640 --> 01:11:42,080 RESEARCH WILL SPREAD THROUGH 1992 01:11:42,080 --> 01:11:44,680 INTO MICROBIOLOGY AND IMMUNOLOGY 1993 01:11:44,680 --> 01:11:46,320 QUITE RAPIDLY, BECAUSE THAT 1994 01:11:46,320 --> 01:11:47,120 CROSS-CUTTING ADVANCES ARE GOING 1995 01:11:47,120 --> 01:11:50,280 TO IMMEDIATELY HAVE AN IMPACT ON 1996 01:11:50,280 --> 01:11:51,560 REGULATORS AND FUNDERS AND 1997 01:11:51,560 --> 01:11:58,680 DEVELOPERS. 1998 01:11:58,680 --> 01:12:02,280 I'VE TRIED TO DRAW A SIMPLE 1999 01:12:02,280 --> 01:12:02,720 REPRESENTATION OF 2000 01:12:02,720 --> 01:12:03,400 MICROPHYSIOLOGICAL SYSTEMS AND 2001 01:12:03,400 --> 01:12:04,400 THE ADVANTAGES THEY OFFER AS 2002 01:12:04,400 --> 01:12:05,880 WELL. 2003 01:12:05,880 --> 01:12:08,960 BECAUSE FOR EXAMPLE, A 2004 01:12:08,960 --> 01:12:09,920 TWO-TISSUE MICROPHYSIOLOGICAL 2005 01:12:09,920 --> 01:12:12,240 SYSTEM HAS TWO CHAMBERS, WE CAN 2006 01:12:12,240 --> 01:12:16,720 MODEL SYSTEMIC DOSING OF 2007 01:12:16,720 --> 01:12:17,480 ANTIVIRALS, DRUGS AND 2008 01:12:17,480 --> 01:12:18,800 ANTIBIOTICS INTO THE VASCULAR 2009 01:12:18,800 --> 01:12:20,880 COMPONENT AND THEN INTRODUCE THE 2010 01:12:20,880 --> 01:12:22,840 SELECT AGENT INTO THE ORGAN CELL 2011 01:12:22,840 --> 01:12:24,160 CHANNEL OF WHICH MIGHT BE THE 2012 01:12:24,160 --> 01:12:26,680 BRAIN, KIDNEY OR OTHER ORGAN. 2013 01:12:26,680 --> 01:12:29,840 SO HERE WE'RE ASSIMILATING 2014 01:12:29,840 --> 01:12:30,600 SYSTEMIC DOSING. 2015 01:12:30,600 --> 01:12:32,480 BUT IN THE SAME CHIP, WE MIGHT 2016 01:12:32,480 --> 01:12:34,200 HAVE A MODEL MUCOSAL INFECTION 2017 01:12:34,200 --> 01:12:36,520 OR DOSING BY APPLYING ANTIVIRAL 2018 01:12:36,520 --> 01:12:37,960 DRUG, ANTIBIOTIC OR EVEN IMMUNE 2019 01:12:37,960 --> 01:12:40,000 CELLS INTO THE MUCOSAL SURFACE, 2020 01:12:40,000 --> 01:12:41,560 ALONG WITH A SELECT AGENT. 2021 01:12:41,560 --> 01:12:44,040 SO WE HAVE IMMEDIATELY USED IT 2022 01:12:44,040 --> 01:12:45,600 FOR MORE THAN ONE PURPOSE 2023 01:12:45,600 --> 01:12:48,480 WITHOUT CHANGING ANYTHING, THE 2024 01:12:48,480 --> 01:12:50,080 ROUTE OF ENTRY OF THE DRUG 2025 01:12:50,080 --> 01:12:51,640 ANTIVIRAL OR IMMUNE CELLS. 2026 01:12:51,640 --> 01:12:53,920 BUT WE CAN ALSO MODEL 2027 01:12:53,920 --> 01:12:57,080 COMBINATIONS OF THE TWO, PERHAPS 2028 01:12:57,080 --> 01:12:58,320 INTRAVENOUS ANTIVIRAL DRUG 2029 01:12:58,320 --> 01:12:59,520 ADMINISTRATION, AS WELL AS 2030 01:12:59,520 --> 01:13:02,360 MUCOSAL ANTIBODY OR IMMUNE CELL 2031 01:13:02,360 --> 01:13:03,880 ADDITION, AS WELL AS THE SELECT 2032 01:13:03,880 --> 01:13:04,600 AGENT. 2033 01:13:04,600 --> 01:13:11,400 AND CULMINATIONS THERE. 2034 01:13:11,400 --> 01:13:12,720 NOW I WANT TO TALK ABOUT SOME 2035 01:13:12,720 --> 01:13:14,480 OLD EXAMPLES AND IN THE EARLY 2036 01:13:14,480 --> 01:13:18,840 90s, WHEN I WAS DOING MY PH.D. 2037 01:13:18,840 --> 01:13:23,680 ON B. PERTUSSIS, MECHANISMS OF 2038 01:13:23,680 --> 01:13:25,400 COLONIZATION OF MAMMALIAN 2039 01:13:25,400 --> 01:13:26,920 TISSUES BY BOARD AT THE LA 2040 01:13:26,920 --> 01:13:30,040 PERTUSSIS. 2041 01:13:30,040 --> 01:13:32,000 IT DOES STICK VERY WELL TO VERO 2042 01:13:32,000 --> 01:13:36,160 CELLS BUT IT DOES SO USING 2043 01:13:36,160 --> 01:13:37,360 COMPONENTS OTHER THAN THE 2044 01:13:37,360 --> 01:13:46,160 SPECIFIC ADHESION. 2045 01:13:46,160 --> 01:13:51,520 YOU CAN SEE THIS COMPLEX 2046 01:13:51,520 --> 01:13:53,160 CILIATED EPITHELIUM SO CRITICAL 2047 01:13:53,160 --> 01:13:56,000 TO THE FIRST STEPS OF CONTACT 2048 01:13:56,000 --> 01:14:00,160 BETWEEN BORDETELLA PER PERTUSD 2049 01:14:00,160 --> 01:14:04,400 THE CELL. 2050 01:14:04,400 --> 01:14:09,920 -- INITIALLY HAS AN ADD ADHEN 2051 01:14:09,920 --> 01:14:13,080 EVENT WHICH OCCURS FROM THE END 2052 01:14:13,080 --> 01:14:15,240 OF THE -- TO THE CILIATED 2053 01:14:15,240 --> 01:14:15,800 EPITHELIUM. 2054 01:14:15,800 --> 01:14:19,960 AND THEN THIS LEADS TO BETTER 2055 01:14:19,960 --> 01:14:21,840 ADHESION OF THE ORGANISM 2056 01:14:21,840 --> 01:14:23,240 FOLLOWING THAT INITIAL 2057 01:14:23,240 --> 01:14:24,320 ATTACHMENT THROUGH OTHER 2058 01:14:24,320 --> 01:14:26,760 MECHANISMS. 2059 01:14:26,760 --> 01:14:31,120 SO THIS LOVELY CILIATED 2060 01:14:31,120 --> 01:14:32,640 EPITHELIAL TISSUE MODEL WAS ABLE 2061 01:14:32,640 --> 01:14:34,400 TO DEMONSTRATE MANY OF THE 2062 01:14:34,400 --> 01:14:36,120 PATHOGEN INTERACTIONS WITH 2063 01:14:36,120 --> 01:14:36,600 BORDETELLA PERTUSSIS. 2064 01:14:36,600 --> 01:14:41,320 SO IN TERMS OF CON TAJT COS 2065 01:14:41,320 --> 01:14:42,840 INITIAL INHALATION FROM AN 2066 01:14:42,840 --> 01:14:45,440 AEROSOL FROM A CHILD WITH 2067 01:14:45,440 --> 01:14:48,080 WHOOPING COUGH, AND ADD HEE SIN 2068 01:14:48,080 --> 01:14:49,800 SPECIFIC FOR HUMAN CILIA AT THE 2069 01:14:49,800 --> 01:14:56,040 TIP OF FIMBRIA, OTHER SURFACE 2070 01:14:56,040 --> 01:14:57,920 ADHESIVES OF BORDETELLA 2071 01:14:57,920 --> 01:14:59,240 PERTUSSIS CAN ADHERE VERY 2072 01:14:59,240 --> 01:15:00,480 EFFECTIVELY TO THE SURFACE OF 2073 01:15:00,480 --> 01:15:02,280 THE CELL, AND THEN START 2074 01:15:02,280 --> 01:15:05,120 INTERFERING WITH THE HOST BY 2075 01:15:05,120 --> 01:15:07,080 DISRUPTING THE CILIATED 2076 01:15:07,080 --> 01:15:12,800 EPITHELIUM THROUGH TOXINS. 2077 01:15:12,800 --> 01:15:15,440 THEN WHEN WE SEE DISSEMINATION 2078 01:15:15,440 --> 01:15:19,560 OF DISEASE, IT'S THROUGH AN 2079 01:15:19,560 --> 01:15:20,680 EXTREME COUGH, IF YOU'VE EVER 2080 01:15:20,680 --> 01:15:23,640 SEE IT, IT'S VERY DISTRESSING, 2081 01:15:23,640 --> 01:15:26,920 WHICH 2082 01:15:26,920 --> 01:15:28,320 PERTUSSIS TOXIN, WHICH CAN LEAD 2083 01:15:28,320 --> 01:15:29,320 TO DISSEMINATION TO THE NEXT 2084 01:15:29,320 --> 01:15:29,640 HOST. 2085 01:15:29,640 --> 01:15:31,280 EVEN WHEN SOMEONE HAS ELIMINATED 2086 01:15:31,280 --> 01:15:32,680 THE ORGANISM FROM THEIR SYSTEM, 2087 01:15:32,680 --> 01:15:34,240 THE DISEASE CONTINUES FOR A LONG 2088 01:15:34,240 --> 01:15:35,520 TIME, AND THAT'S DUE TO THE 2089 01:15:35,520 --> 01:15:39,680 TOXIN REMAINING IN CELLS AND 2090 01:15:39,680 --> 01:15:42,000 CAUSING THAT HORRIBLE PAROXYSMAL 2091 01:15:42,000 --> 01:15:42,320 COUGH. 2092 01:15:42,320 --> 01:15:44,520 SO YOU SEE THE BEAUTY OF THAT 2093 01:15:44,520 --> 01:15:46,480 CILIATED EPITHELIUM IS ABLE TO 2094 01:15:46,480 --> 01:15:49,000 REFLECT THOSE COMPLEX PROCESSES 2095 01:15:49,000 --> 01:15:54,920 LISTED ON THE LEFT-HAND SIDE. 2096 01:15:54,920 --> 01:15:57,840 BETWEEN THE 1960s AND 1980s, 2097 01:15:57,840 --> 01:16:01,240 THE WIDELY ACCEPTED BORDETELLA 2098 01:16:01,240 --> 01:16:02,440 PERTUSSIS WAS -- VACCINE WHICH 2099 01:16:02,440 --> 01:16:03,800 WAS INDEED VERY COMPLEX BECAUSE 2100 01:16:03,800 --> 01:16:07,600 IT WAS BASICALLY A FORMALDEHYDE 2101 01:16:07,600 --> 01:16:09,480 SOUP OF BORDETELLA PERTUSSIS. 2102 01:16:09,480 --> 01:16:14,920 IN THE 80s AND EARLY 90s, 2103 01:16:14,920 --> 01:16:17,280 THAT VACCINE WAS REPLACED BY ONE 2104 01:16:17,280 --> 01:16:19,640 THAT HAD A SINGLE, DOUBLE OR 2105 01:16:19,640 --> 01:16:20,520 TRIPLE ANTIGEN COMPONENTS, WHICH 2106 01:16:20,520 --> 01:16:21,960 IS ACTUALLY A VERY SIMPLE 2107 01:16:21,960 --> 01:16:22,680 VACCINE. 2108 01:16:22,680 --> 01:16:26,200 BUT DUE TO VACCINE ESCAPE IN THE 2109 01:16:26,200 --> 01:16:27,600 21ST CENTURY, WE'VE HAD TO 2110 01:16:27,600 --> 01:16:28,600 INCREASE THE NUMBER OF 2111 01:16:28,600 --> 01:16:29,920 COMPONENTS IN EACH VACCINE SO 2112 01:16:29,920 --> 01:16:32,760 THEY'RE MUCH MORE COMPLEX, LESS 2113 01:16:32,760 --> 01:16:33,080 SIMPLE. 2114 01:16:33,080 --> 01:16:34,720 BUT AS WE SPEAK, NOW IN 2115 01:16:34,720 --> 01:16:37,320 DEVELOPMENT, THERE IS NOW A LIVE 2116 01:16:37,320 --> 01:16:40,200 ATTENUATED B. PERTUSSIS VACCINE 2117 01:16:40,200 --> 01:16:41,760 ONGOING ASSESSMENT, AND OF 2118 01:16:41,760 --> 01:16:44,000 COURSE THIS VACCINE IS VERY 2119 01:16:44,000 --> 01:16:46,640 COMPLEX IN THE SAME WAY THAT WE 2120 01:16:46,640 --> 01:16:48,840 HAD IN THE 60s AND 80s, SO 2121 01:16:48,840 --> 01:16:50,480 WE'VE GONE FULL LOOP FROM A VERY 2122 01:16:50,480 --> 01:16:51,800 COMPLEX VACCINE, FROM A SIMPLE, 2123 01:16:51,800 --> 01:16:52,960 BACK TO A VERY COMPLEX. 2124 01:16:52,960 --> 01:16:54,920 BUT WHEN WE LOOK AT THE ANIMAL 2125 01:16:54,920 --> 01:16:57,000 MODELS AVAILABLE TO MIMIC 2126 01:16:57,000 --> 01:16:58,880 BORDETELLA PERTUSSIS, THERE'S 2127 01:16:58,880 --> 01:17:00,760 ONLY THE BOONS THAT ACTUALLY 2128 01:17:00,760 --> 01:17:03,400 COUGH WHEN THEY'RE INFECTED. 2129 01:17:03,400 --> 01:17:05,960 AND SO AT THE MOMENT WE'RE NOW 2130 01:17:05,960 --> 01:17:07,400 SEEING HUMAN CHALLENGE MODEL 2131 01:17:07,400 --> 01:17:09,920 BEING UTILIZED THE ASSESSMENT OF 2132 01:17:09,920 --> 01:17:13,000 A LIVE AT10 WAITED BORDETELLA 2133 01:17:13,000 --> 01:17:14,760 PERTUSSIS IN 2022, AND I REALLY 2134 01:17:14,760 --> 01:17:16,280 THINK THE HUMAN 2135 01:17:16,280 --> 01:17:16,920 MICROPHYSIOLOGICAL SYSTEMS COULD 2136 01:17:16,920 --> 01:17:18,360 HAVE ASSISTED IN THIS PROCESS IF 2137 01:17:18,360 --> 01:17:20,080 WE HAD THIS WONDERFUL TECHNOLOGY 2138 01:17:20,080 --> 01:17:24,560 WHEN I STARTED MY PH.D. 2139 01:17:24,560 --> 01:17:26,160 SORE LET'S TAKE ANOTHER EXAMPLE, 2140 01:17:26,160 --> 01:17:27,880 POX VIRUSES AND HOW TOPICAL IS 2141 01:17:27,880 --> 01:17:30,160 THAT? 2142 01:17:30,160 --> 01:17:33,120 ANTIVIRAL DRUGS FOR SMALLPOX 2143 01:17:33,120 --> 01:17:34,160 WERE DEVELOPED USING MONKEYPOX 2144 01:17:34,160 --> 01:17:36,960 AND THEY CAN BE USED AGAINST 2145 01:17:36,960 --> 01:17:37,280 MONKEYPOX. 2146 01:17:37,280 --> 01:17:40,360 AND WE TAKE TWO KRUTION DRUE 2147 01:17:40,360 --> 01:17:42,760 BEEN APPROVED BY THE FDA, WE CAN 2148 01:17:42,760 --> 01:17:45,360 SEE THEY WERE APPROVED IN 2018 2149 01:17:45,360 --> 01:17:46,880 AND 2021 RESPECTIVELY. 2150 01:17:46,880 --> 01:17:48,720 NOW THE ISSUE WITH SMALLPOX IS 2151 01:17:48,720 --> 01:17:51,720 THAT IT'S A HUMAN-SPECIFIC VIRAL 2152 01:17:51,720 --> 01:17:54,120 PATHOGEN, SO IT WASN'T EASY TO 2153 01:17:54,120 --> 01:17:55,440 MODEL THAT IN ORDER TO DEVELOP 2154 01:17:55,440 --> 01:17:57,720 THESE DRUGS AND ACTUALLY THE 2155 01:17:57,720 --> 01:17:58,400 VACCINES. 2156 01:17:58,400 --> 01:18:00,920 SO MONKEYPOX WAS USED AS A 2157 01:18:00,920 --> 01:18:02,360 SURROGATE FOR SMALLPOX IN 2158 01:18:02,360 --> 01:18:04,840 NON-HUMAN PRIMATE, AND INDEED IN 2159 01:18:04,840 --> 01:18:06,480 U.K. AND MANY OTHER PLACE, 2160 01:18:06,480 --> 01:18:10,840 VACCINES WERE TESTED IN NHP 2161 01:18:10,840 --> 01:18:14,800 MODELS USING MONKEYPOX. 2162 01:18:14,800 --> 01:18:16,320 BUT ONE OF THE OTHER ISSUES WAS 2163 01:18:16,320 --> 01:18:20,680 THAT THE FAR KA COKINETICS OF 2164 01:18:20,680 --> 01:18:23,440 TEMBAXA IN NHPs WAS VERY 2165 01:18:23,440 --> 01:18:24,960 DIFFERENT FROM THAT IN HUMANS. 2166 01:18:24,960 --> 01:18:27,040 THAT WASN'T AN EXPECTED OUTCOME. 2167 01:18:27,040 --> 01:18:30,520 THAT LED TO -- FDA APPROVAL 2168 01:18:30,520 --> 01:18:31,640 GRANTING AND BECAUSE THEY HAD TO 2169 01:18:31,640 --> 01:18:32,920 FIND ANOTHER WAY OF ASSESSING 2170 01:18:32,920 --> 01:18:39,160 IT, AND IN FACT, VACCINIA CAN 2171 01:18:39,160 --> 01:18:41,160 ALSO BE USED AS A SURROGATE FOR 2172 01:18:41,160 --> 01:18:43,120 SMALLPOX IN HUMANS. 2173 01:18:43,120 --> 01:18:44,760 MAYBE THERE'S A LESSON TO BE 2174 01:18:44,760 --> 01:18:50,120 LEARNED THERE BECAUSE MAYBE 3D 2175 01:18:50,120 --> 01:18:51,840 MICROPHYSIOLOGICAL SYSTEMS COULD 2176 01:18:51,840 --> 01:18:53,840 HAVE BEEN USED IF WE HAD THOSE 2177 01:18:53,840 --> 01:18:55,160 TOOLS 15 YEARS AGO WHEN DRUG 2178 01:18:55,160 --> 01:18:57,120 DEVELOPMENT WAS ONGOING. 2179 01:18:57,120 --> 01:19:00,280 WHEN WE TALK ABOUT EBOLA, THERE 2180 01:19:00,280 --> 01:19:02,280 ARE MANY FILOVIRUSES APART FROM 2181 01:19:02,280 --> 01:19:04,440 EBOLA AND SOME OF THEM DON'T 2182 01:19:04,440 --> 01:19:06,320 INFECT NHPs, SO THIS 2183 01:19:06,320 --> 01:19:11,000 REPRESENTS A BLIND ALLEY FOR 2184 01:19:11,000 --> 01:19:16,200 THOSE PARTICULAR FILOVIRUS 2185 01:19:16,200 --> 01:19:16,480 FAMILY. 2186 01:19:16,480 --> 01:19:18,560 WE NOW KNOW EBOLA CAN SEQUESTER 2187 01:19:18,560 --> 01:19:20,520 IN EYE, BRAIN AND REPRODUCTIVE 2188 01:19:20,520 --> 01:19:21,040 TISSUES. 2189 01:19:21,040 --> 01:19:23,160 HOW CAN WE STUDY CLEARANCE FROM 2190 01:19:23,160 --> 01:19:24,800 THESE IMMUNE PRIVILEGE SITES 2191 01:19:24,800 --> 01:19:28,080 WITHOUT ACTUALLY GOING INTO 2192 01:19:28,080 --> 01:19:30,080 INDEMIC AREAS, EVEN IF YOU CAN 2193 01:19:30,080 --> 01:19:30,920 DO THAT? 2194 01:19:30,920 --> 01:19:32,480 IT'S EXTREMELY DIFFICULT TO TAKE 2195 01:19:32,480 --> 01:19:35,080 SAMPLES FROM THOSE IMMUNE 2196 01:19:35,080 --> 01:19:35,960 PRIVILEGED SITES. 2197 01:19:35,960 --> 01:19:38,480 AND HOW DO WE TEST COMBINATIONS 2198 01:19:38,480 --> 01:19:43,160 OF ANTIVIRALS OUTSIDE OF 2199 01:19:43,160 --> 01:19:43,600 OUTBREAKS? 2200 01:19:43,600 --> 01:19:45,760 ONCE AGAIN, HUMAN 2201 01:19:45,760 --> 01:19:46,560 MICROPHYSIOLOGICAL SYSTEMS COULD 2202 01:19:46,560 --> 01:19:49,320 ASSIST. 2203 01:19:49,320 --> 01:19:51,080 AND WHAT ABOUT HEPATITIS? 2204 01:19:51,080 --> 01:19:56,640 THIS IS ALSO A VERY TOUGH 2205 01:19:56,640 --> 01:19:58,840 TOPICAL TOPIC BECAUSE WE'RE 2206 01:19:58,840 --> 01:20:00,120 SEEING SEVERE CASES IN VERY 2207 01:20:00,120 --> 01:20:01,240 YOUNG CHILDREN. 2208 01:20:01,240 --> 01:20:02,960 IN THE U.K., THERE ARE MANY 2209 01:20:02,960 --> 01:20:04,280 THEORIES ABOUT WHY THIS IS 2210 01:20:04,280 --> 01:20:04,680 OCCURRING. 2211 01:20:04,680 --> 01:20:07,320 AT THE MOMENT, IT COULD BE DO TO 2212 01:20:07,320 --> 01:20:09,880 A NEW ADENOVIRUS OR COULD BE A 2213 01:20:09,880 --> 01:20:11,840 NEW VARIANT OF ADENOVIRUS OR IT 2214 01:20:11,840 --> 01:20:13,120 COULD BE SOMETHING TO DO WITH A 2215 01:20:13,120 --> 01:20:14,760 NEW VARIANT OF SARS-COV-2 OR 2216 01:20:14,760 --> 01:20:16,760 COULD BE RELATED TO CO-INFECTION 2217 01:20:16,760 --> 01:20:17,600 WITH SARS-COV-2. 2218 01:20:17,600 --> 01:20:22,000 AND THERE ARE MANY QUESTIONS 2219 01:20:22,000 --> 01:20:23,520 REMAINING ABOUT WHY THERE ARE SO 2220 01:20:23,520 --> 01:20:26,680 MANY GLOBAL CASES OF JUVENILE 2221 01:20:26,680 --> 01:20:27,800 HEPATITIS, AND IN SOME CASES 2222 01:20:27,800 --> 01:20:28,680 REQUIRING LIVER TRANSPLANT, 2223 01:20:28,680 --> 01:20:32,400 WHICH IS A LIFE-CHANGING IMPACT. 2224 01:20:32,400 --> 01:20:34,240 AND MAYBE HUMAN 2225 01:20:34,240 --> 01:20:36,080 MICROPHYSIOLOGICALS COULD HAVE 2226 01:20:36,080 --> 01:20:38,080 ASSISTED IN THIS INITIAL 2227 01:20:38,080 --> 01:20:38,960 OUTBREAK INVESTIGATION, BUT I 2228 01:20:38,960 --> 01:20:43,440 WOULD SAY THAT IT COULD 2229 01:20:43,440 --> 01:20:44,320 CONTINUE, MICROPHYSIOLOGICAL 2230 01:20:44,320 --> 01:20:45,160 SYSTEMS COULD ASSIST IN 2231 01:20:45,160 --> 01:20:46,080 ANSWERING SOME OF THESE 2232 01:20:46,080 --> 01:20:47,360 QUESTIONS WHICH ARE VERY TOPICAL 2233 01:20:47,360 --> 01:20:51,880 EVEN AS I SPEAK. 2234 01:20:51,880 --> 01:20:53,320 SO LET'S TALK ABOUT DISEASE X 2235 01:20:53,320 --> 01:20:55,360 BECAUSE THAT ONE IS QUITE A 2236 01:20:55,360 --> 01:20:56,120 TOPICAL SUBJECT. 2237 01:20:56,120 --> 01:20:58,200 DISEASE X IS THE UNKNOWN AGENT 2238 01:20:58,200 --> 01:21:00,720 WHICH WE CAN PREDICT MIGHT BE 2239 01:21:00,720 --> 01:21:03,880 THE CASE AND I KNOW SOME OF THE 2240 01:21:03,880 --> 01:21:05,000 INTRODUCTORY SPEAKERS HAVE 2241 01:21:05,000 --> 01:21:06,080 SPOKEN ABOUT DISEASE X. 2242 01:21:06,080 --> 01:21:08,160 BUT LET'S TAKE SCENARIO H WITHIN 2243 01:21:08,160 --> 01:21:09,360 THE DISEASE X SCENARIO. 2244 01:21:09,360 --> 01:21:11,160 LET'S SAY THAT THE SCENARIO H IS 2245 01:21:11,160 --> 01:21:14,080 A VIRUS WHICH ONLY AFFECTS HUMAN 2246 01:21:14,080 --> 01:21:18,640 LIVER. 2247 01:21:18,640 --> 01:21:20,520 AND FOR EXAMPLE THAT'S FATAL. 2248 01:21:20,520 --> 01:21:23,080 NO ANIMAL MODEL IS POSSIBLE 2249 01:21:23,080 --> 01:21:24,800 WITHOUT GENETIC TRANSFORMATION 2250 01:21:24,800 --> 01:21:26,640 AND WITHOUT A 100-DAY CHALLENGE, 2251 01:21:26,640 --> 01:21:27,960 WE'RE NOT GOING TO BE ABLE TO DO 2252 01:21:27,960 --> 01:21:28,720 THAT FAST ENOUGH. 2253 01:21:28,720 --> 01:21:33,000 A HUMAN INFECTION WITH DISEASE X 2254 01:21:33,000 --> 01:21:34,280 SCENARIO H WOULD NOT BE 2255 01:21:34,280 --> 01:21:35,840 ETHICALLY JUSTIFIED SO WE'RE 2256 01:21:35,840 --> 01:21:37,640 HEAVILY RELIANT ON GENETICS IN 2257 01:21:37,640 --> 01:21:41,640 THE INITIAL STAGES OF A 2258 01:21:41,640 --> 01:21:42,400 CHALLENGE. 2259 01:21:42,400 --> 01:21:44,360 HOW COULD WE TEST DRUGS, 2260 01:21:44,360 --> 01:21:45,320 THERAPEUTICS AND VACCINES FOR 2261 01:21:45,320 --> 01:21:47,000 SUCH A DISEASE H SCENARIO H? 2262 01:21:47,000 --> 01:21:49,080 HERE, I THINK MICROPHYSIOLOGICAL 2263 01:21:49,080 --> 01:21:49,920 SYSTEMS COULD COME INTO THEIR 2264 01:21:49,920 --> 01:21:52,000 OWN AND ASSIST QUITE 2265 01:21:52,000 --> 01:21:52,400 DRAMATICALLY. 2266 01:21:52,400 --> 01:21:54,320 AND I THINK WE NEED TO GET THEM 2267 01:21:54,320 --> 01:21:55,640 READY FOR THAT SCENARIO, BECAUSE 2268 01:21:55,640 --> 01:21:56,720 IT'S THE WORST CASE. 2269 01:21:56,720 --> 01:21:59,360 IF WE'RE READY FOR THE WORST 2270 01:21:59,360 --> 01:22:02,520 CASE, WE'RE READY FOR ANYTHING. 2271 01:22:02,520 --> 01:22:06,200 SO NOW LET ME TALK ABOUT VERO 2272 01:22:06,200 --> 01:22:08,000 CELLS, AS MANY OF YOU WILL KNOW 2273 01:22:08,000 --> 01:22:10,960 THEY'RE THE VIROLOGIST'S 2274 01:22:10,960 --> 01:22:11,720 FAVORITE BECAUSE THEY'RE 2275 01:22:11,720 --> 01:22:13,360 AVAILABLE GLOBALLY, THEY GROW 2276 01:22:13,360 --> 01:22:16,640 MANY VIRUSES VERY EASILY, 2277 01:22:16,640 --> 01:22:19,040 INCLUDING SARS-COV-2 AND THEY'RE 2278 01:22:19,040 --> 01:22:25,480 WIDELY USED FOR VIRAL 2279 01:22:25,480 --> 01:22:25,800 PROPAGATION. 2280 01:22:25,800 --> 01:22:27,120 THEY DO HAVE AS MENTIONED 2281 01:22:27,120 --> 01:22:28,960 EARLIER A DELUSION IN CHROMOSOME 2282 01:22:28,960 --> 01:22:30,160 12, WHICH RESULTS IN THE LOSS OF 2283 01:22:30,160 --> 01:22:32,360 ABILITY TO PRODUCE TYPE 2284 01:22:32,360 --> 01:22:34,560 1 INTERFERON. 2285 01:22:34,560 --> 01:22:35,880 THERE'S ALSO A LOSS OF SOME 2286 01:22:35,880 --> 01:22:37,080 ELEMENTS OF REGULATION AND 2287 01:22:37,080 --> 01:22:38,600 THAT'S WHY THEY GROW SO WELL, 2288 01:22:38,600 --> 01:22:40,240 AND THAT'S REPRESENTED IN OTHER 2289 01:22:40,240 --> 01:22:41,800 DELETIONS IN THE CHROMOSOME 2290 01:22:41,800 --> 01:22:48,680 WHICH YOU'LL READ ABOUT IN 2014. 2291 01:22:48,680 --> 01:22:50,200 THAT'S NOT ONLY FROM KIDNEY 2292 01:22:50,200 --> 01:22:53,480 ORIGIN BUT ALSO FROM A GREY 2293 01:22:53,480 --> 01:22:56,120 MONKEY. 2294 01:22:56,120 --> 01:22:58,960 AND I CAN'T HELP MENTIONING MY 2295 01:22:58,960 --> 01:23:00,720 OWN ARTICLE WHICH I PUBLISHED 2296 01:23:00,720 --> 01:23:02,360 WITH THE ASSISTANCE OF MANY 2297 01:23:02,360 --> 01:23:05,760 PEOPLE WHO MAY ALSO BE ON THE 2298 01:23:05,760 --> 01:23:07,600 LINE TODAY, WHICH WAS A 2299 01:23:07,600 --> 01:23:09,240 CAUTIONARY PERSPECTIVE ABOUT 2300 01:23:09,240 --> 01:23:11,760 ISOLATION OF SARS-COV-2 2 AND 2301 01:23:11,760 --> 01:23:13,720 THE URGE FOR PEOPLE TO CHECK 2302 01:23:13,720 --> 01:23:17,040 ANYTHING THEY GROW IN VERO CELLS 2303 01:23:17,040 --> 01:23:19,280 BECAUSE WE CAN SEE GENETIC 2304 01:23:19,280 --> 01:23:20,400 DIVERGENCE WITHIN THESE CELLS 2305 01:23:20,400 --> 01:23:24,160 THAT DON'T HAVE INTERFERON 2306 01:23:24,160 --> 01:23:28,200 PRODUCTION. 2307 01:23:28,200 --> 01:23:30,720 IF YOU DO USE A STOCK WHICH IS 2308 01:23:30,720 --> 01:23:34,400 COMPROMISED, IT WILL RESULT IN 2309 01:23:34,400 --> 01:23:37,800 REDUCED PATHOGENICITY IN AN 2310 01:23:37,800 --> 01:23:43,800 ANIMAL MODEL, LOSS OF INTERFERON 2311 01:23:43,800 --> 01:23:44,360 CLEAVAGE SITE. 2312 01:23:44,360 --> 01:23:45,360 THESE ARE TABLE FROM THE PAPER 2313 01:23:45,360 --> 01:23:47,080 WHICH YOU CAN LOOK AT LATER. 2314 01:23:47,080 --> 01:23:49,200 IT'S NOT JUST ABOUT THE SPIKE. 2315 01:23:49,200 --> 01:23:50,480 THERE ARE OTHER CHANGES THAT 2316 01:23:50,480 --> 01:23:56,320 OCCUR IN SOME CULTURES. 2317 01:23:56,320 --> 01:24:05,520 IN THIS PARTICULAR, WE SAW IT I 2318 01:24:05,520 --> 01:24:07,360 IN -- WE STILL DON'T REALLY KNOW 2319 01:24:07,360 --> 01:24:13,280 ABOUT. 2320 01:24:13,280 --> 01:24:15,040 ALSO WANT TO MENTION A PAPER 2321 01:24:15,040 --> 01:24:17,440 WHICH WE PRODUCED ABOUT 2322 01:24:17,440 --> 01:24:21,920 HYDROXYCHLOROQUINE WHICH IS 2323 01:24:21,920 --> 01:24:24,320 REALLY -- THAT IS THAT VERO CELL 2324 01:24:24,320 --> 01:24:26,040 DATA WE HAD ON HAND AT THE 2325 01:24:26,040 --> 01:24:27,400 BEGINNING OF THE OUTBREAK SEEMED 2326 01:24:27,400 --> 01:24:31,080 TO SUGGEST THAT 2327 01:24:31,080 --> 01:24:34,680 HYDROXYCHLOROQUINE HAD ANTIVIRAL 2328 01:24:34,680 --> 01:24:35,720 AND SYMPTOMATIC IMPACT IN THE 2329 01:24:35,720 --> 01:24:37,800 VERO CELL MODEL OF INFECTION. 2330 01:24:37,800 --> 01:24:39,960 BUT AS A RESULT OF COLLABORATION 2331 01:24:39,960 --> 01:24:45,360 WITH THE WHO, WHEN WE ASKED 2332 01:24:45,360 --> 01:24:46,760 DIFFERENT AUTHORITIES IF THEY 2333 01:24:46,760 --> 01:24:48,040 HAD HYDROXYCHLOROQUINE DATA, 2334 01:24:48,040 --> 01:24:49,280 EACH LABORATORY HAD A LITTLE BIT 2335 01:24:49,280 --> 01:24:50,600 OF INFORMATION AND WHEN YOU 2336 01:24:50,600 --> 01:24:51,800 PIECED IT TOGETHER, EACH PIECE 2337 01:24:51,800 --> 01:24:53,840 OF THE JIGSAW SEEMED TO SUGGEST 2338 01:24:53,840 --> 01:24:55,720 THERE WAS NO ANTIVIRAL 2339 01:24:55,720 --> 01:24:57,800 SYMPTOMATIC RELIEF IN ANY ANIMAL 2340 01:24:57,800 --> 01:24:58,880 MODEL AVAILABLE AT THE TIME. 2341 01:24:58,880 --> 01:25:01,400 BUT THE MOST INTERESTING THING 2342 01:25:01,400 --> 01:25:04,680 FOR THIS AUDIENCE TODAY IS THAT 2343 01:25:04,680 --> 01:25:06,000 TWO INDEPENDENT LABORATORIES 2344 01:25:06,000 --> 01:25:07,440 USING MICROPHYSIOLOGICAL SYSTEMS 2345 01:25:07,440 --> 01:25:10,040 ALSO SUPPORTED THE IN VIVO 2346 01:25:10,040 --> 01:25:13,000 OUTCOMES, WHICH IS THAT 2347 01:25:13,000 --> 01:25:14,320 HYDROXYCHLOROQUINE HAD NO 2348 01:25:14,320 --> 01:25:17,360 ANTIVIRAL OR SYMPTOMATIC IMPACT. 2349 01:25:17,360 --> 01:25:21,600 AND THIS PAPER POSSIBLY ASSISTED 2350 01:25:21,600 --> 01:25:24,160 IN THE LACK OF UTILIZATION OF 2351 01:25:24,160 --> 01:25:24,920 HYDROXYCHLOROQUINE FROM THAT 2352 01:25:24,920 --> 01:25:28,320 POINT ON WARDS. 2353 01:25:28,320 --> 01:25:29,640 SO MICROPHYSIOLOGICAL SYSTEMS OF 2354 01:25:29,640 --> 01:25:32,360 COURSE HAVE ALREADY PROVEN THEIR 2355 01:25:32,360 --> 01:25:35,240 WORTH, NOT ONLY FOR HYDROXYCOLOR 2356 01:25:35,240 --> 01:25:37,600 QUICK BUT ALSO FOR IMATINIB, 2357 01:25:37,600 --> 01:25:39,600 WHICH HAS A VERY SIMILAR STORY. 2358 01:25:39,600 --> 01:25:41,000 I KNOW WE'RE TALKING ABOUT 2359 01:25:41,000 --> 01:25:44,200 ANTIVIRALS, BUT LET ME TALK 2360 01:25:44,200 --> 01:25:48,560 ABOUT HUME RORL ORAL IMMUNITE 2361 01:25:48,560 --> 01:25:53,840 CONTEXT OF SARS-COV-2. 2362 01:25:53,840 --> 01:25:57,120 THAT CARTOON OF VIRUS ENTRY AND 2363 01:25:57,120 --> 01:25:58,000 DISSEMINATION ILLUSTRATES SOME 2364 01:25:58,000 --> 01:26:01,840 OF THE KIT CAL PARTS OF VIRUS 2365 01:26:01,840 --> 01:26:02,440 REPLICATION. 2366 01:26:02,440 --> 01:26:03,920 WHEN WE TALK ABOUT HUMAN 2367 01:26:03,920 --> 01:26:05,200 ANTIBODIES, WE OFTEN TALK ABOUT 2368 01:26:05,200 --> 01:26:07,440 THE FIRST TWO OF FIVE 2369 01:26:07,440 --> 01:26:08,520 CONSEQUENCES OF ANTIBODY 2370 01:26:08,520 --> 01:26:12,000 BINDING, WHICH IS INHIBITION OF 2371 01:26:12,000 --> 01:26:13,520 BINDING OF THE VIRUS TO THE 2372 01:26:13,520 --> 01:26:14,840 SURFACE OF THE HOST CELL BUT 2373 01:26:14,840 --> 01:26:20,120 ALSO INHIBITION OF FUSION OF THE 2374 01:26:20,120 --> 01:26:22,680 VIRUS WHICH SUGGESTS UP TAKE 2375 01:26:22,680 --> 01:26:24,200 INTO THE CELL. 2376 01:26:24,200 --> 01:26:28,760 AND THOSE TWO STEPS ARE VERY 2377 01:26:28,760 --> 01:26:30,560 WELL REPRESENTED IN A 2378 01:26:30,560 --> 01:26:32,400 NEUTRALIZATION ASSAY, AND WE'VE 2379 01:26:32,400 --> 01:26:34,680 BEEN PRODUCING MICRO 2380 01:26:34,680 --> 01:26:35,440 NEUTRALIZATION ASSAY AGAINST ALL 2381 01:26:35,440 --> 01:26:37,320 THE VARIANTS OF CONSENT SINCE 2382 01:26:37,320 --> 01:26:39,040 VERY EARLY ON IN THE OUTBREAK. 2383 01:26:39,040 --> 01:26:40,720 AND AS WE CAN SEE OVER TIME, 2384 01:26:40,720 --> 01:26:44,760 WHEN WE LOOK AT THE VARIANTS OF 2385 01:26:44,760 --> 01:26:46,400 CONCERN COMPARED TO VICTORIA, 2386 01:26:46,400 --> 01:26:49,560 OMICRON WAS PREDICTED TO HAVE 2387 01:26:49,560 --> 01:26:52,520 VERY LITTLE NEUTRALIZATION 2388 01:26:52,520 --> 01:26:56,920 CAPABILITY IN TERMS OF HUMORAL 2389 01:26:56,920 --> 01:26:57,240 IMMUNITY. 2390 01:26:57,240 --> 01:26:58,440 AS THE OTHER SPEAKERS HAVE 2391 01:26:58,440 --> 01:26:59,400 MENTIONED, IT WASN'T JUST ABOUT 2392 01:26:59,400 --> 01:27:03,920 APT BO DIES. 2393 01:27:03,920 --> 01:27:04,360 ANTIS. 2394 01:27:04,360 --> 01:27:06,960 WHEN WE ACTUALLY USED OMICRON TO 2395 01:27:06,960 --> 01:27:09,240 INFECT HAMSTERS, IT PRODUCED A 2396 01:27:09,240 --> 01:27:10,600 VERY MILD FORM WHICH YOU CAN SEE 2397 01:27:10,600 --> 01:27:12,640 ON THE LEFT. 2398 01:27:12,640 --> 01:27:16,360 WE SAW SOME -- SIGNS AND WE DID 2399 01:27:16,360 --> 01:27:19,680 SEE A LEVELING OUT RATHER THAN 2400 01:27:19,680 --> 01:27:20,520 REDUCTION IN WEIGHT. 2401 01:27:20,520 --> 01:27:21,920 BUT WHEN WE TOOK HAMSTERS THAT 2402 01:27:21,920 --> 01:27:25,760 HAD ACTUALLY RECOVERED FROM 2403 01:27:25,760 --> 01:27:26,760 VICTORIA, THE SEROLOGY WOULD 2404 01:27:26,760 --> 01:27:30,160 HAVE PREDICTED THAT THAT HUMORAL 2405 01:27:30,160 --> 01:27:32,240 RESPONSE WOULD NOT HAVE -- OUT, 2406 01:27:32,240 --> 01:27:33,960 BUT IN FACT CONVALESCENT 2407 01:27:33,960 --> 01:27:35,600 HAMSTERS WERE ACTUALLY VERY WELL 2408 01:27:35,600 --> 01:27:39,000 PROTECTED AGAINST OMICRON. 2409 01:27:39,000 --> 01:27:41,760 SO WHY WOULD CONVALESCENT 2410 01:27:41,760 --> 01:27:43,840 HAMSTERS BE CROSS-PROTECTED WHEN 2411 01:27:43,840 --> 01:27:45,240 THE NEUTRALIZATION ASSAYS 2412 01:27:45,240 --> 01:27:46,240 PREDICTED THAT THEY WOULDN'T BE? 2413 01:27:46,240 --> 01:27:48,840 AND IT COULD BE THAT THE HAMSTER 2414 01:27:48,840 --> 01:27:49,840 ANTIBODIES WERE MUCH STRONGER 2415 01:27:49,840 --> 01:27:51,360 AND MORE LASTING THAN IN HUMANS, 2416 01:27:51,360 --> 01:27:54,200 BUT IT'S MORE LIKELY THAT THE 2417 01:27:54,200 --> 01:27:55,400 HUMAN -- THE HAMSTER INFECTION 2418 01:27:55,400 --> 01:27:56,760 MODEL INCLUDES T-CELL IMMUNITY 2419 01:27:56,760 --> 01:27:59,320 AND THE CD4 AND CD8 CELL 2420 01:27:59,320 --> 01:28:01,200 COMPONENTS OF THE IMMUNE 2421 01:28:01,200 --> 01:28:03,080 RESPONSE WAS RESPONSIBLE IN PART 2422 01:28:03,080 --> 01:28:04,560 FOR THAT CROSS-PROTECTION. 2423 01:28:04,560 --> 01:28:07,760 IN ADDITION, THE HAMSTER MODEL 2424 01:28:07,760 --> 01:28:10,720 INCLUDES ANTIBODIES, INDUCING A 2425 01:28:10,720 --> 01:28:11,600 COMPLEMENT CASCADE, WHICH MAY 2426 01:28:11,600 --> 01:28:14,000 NOT BE ACCURATELY REFLECTED IN A 2427 01:28:14,000 --> 01:28:15,760 MICRO NEUTRALIZATION ASSAY. 2428 01:28:15,760 --> 01:28:17,960 AND ANOTHER ALTERNATIVE 2429 01:28:17,960 --> 01:28:19,680 CONTRIBUTOR COULD BE THAT THE 2430 01:28:19,680 --> 01:28:21,320 HAMSTER INCLUDES ANTIBODY 2431 01:28:21,320 --> 01:28:23,080 TARGETED CELLULAR COMPONENTS. 2432 01:28:23,080 --> 01:28:27,120 BY THAT, I MEAN ANTIBODIES 2433 01:28:27,120 --> 01:28:28,920 BRIDGING FC RECEPTORS TO 2434 01:28:28,920 --> 01:28:31,080 DENDRITIC AND MACROPHAGE CELLS, 2435 01:28:31,080 --> 01:28:33,280 AND ALSO CYTOTOXIC KILLER CELLS 2436 01:28:33,280 --> 01:28:36,880 BEING FLAGGED, SUCH AS NATURAL 2437 01:28:36,880 --> 01:28:38,520 KILLER CELLS TO THE SURFACE OF 2438 01:28:38,520 --> 01:28:41,600 INFECTED CELLS. 2439 01:28:41,600 --> 01:28:44,400 SO WHEN WE TALK ABOUT MODELS OF 2440 01:28:44,400 --> 01:28:46,280 THE INTERACTION BETWEEN HOST AND 2441 01:28:46,280 --> 01:28:47,760 PATHOGEN IN AN IMMUNE CONTEXT, 2442 01:28:47,760 --> 01:28:49,240 WE SHOULD BE THINKING ABOUT HOW 2443 01:28:49,240 --> 01:28:51,200 WE CAN INCLUDE CELLULAR IMMUNITY 2444 01:28:51,200 --> 01:28:53,840 INTO THESE MODELS, AND YOU CAN 2445 01:28:53,840 --> 01:28:55,160 SEE HERE, CELLULAR IMMUNITY HAS 2446 01:28:55,160 --> 01:28:57,080 QUITE A DIVERSE ARRAY OF 2447 01:28:57,080 --> 01:29:01,040 CHARACTERS AS ILLUSTRATED IN 2448 01:29:01,040 --> 01:29:07,280 THIS FROM THE BBC WEBSITE. 2449 01:29:07,280 --> 01:29:09,360 SO THE THREE OTHER ELEMENTS OF 2450 01:29:09,360 --> 01:29:10,560 ANTIBODY BINDING CONSEQUENCES 2451 01:29:10,560 --> 01:29:14,160 ARE THAT AN ANTIBODY CAN 2452 01:29:14,160 --> 01:29:17,560 ACTUALLY PRODUCE A COMPLEMENT 2453 01:29:17,560 --> 01:29:21,400 CASCADE OR VIRAL OPSONO 2454 01:29:21,400 --> 01:29:22,480 PHAGOCYTOSIS BY FLAGGING -- 2455 01:29:22,480 --> 01:29:23,200 EXCUSE ME 2456 01:29:23,200 --> 01:29:25,240 [KNOWN 2457 01:29:25,240 --> 01:29:27,840 [PHONE RINGING] 2458 01:29:27,840 --> 01:29:33,200 -- BY FLAGGING VIRAL OPSONO 2459 01:29:33,200 --> 01:29:35,080 PHAGOCYTOSIS AND ALSO BY 2460 01:29:35,080 --> 01:29:36,960 FLAGGING CELLULAR ELEMENTS OF 2461 01:29:36,960 --> 01:29:38,120 THE IMMUNE SYSTEM SUCH AS 2462 01:29:38,120 --> 01:29:40,720 NATURAL KILLER CELLS, 2463 01:29:40,720 --> 01:29:44,560 MACROPHAGES OR LOCAL DENDRITIC 2464 01:29:44,560 --> 01:29:49,720 CELLS BY THE SE COMPONENTS. 2465 01:29:49,720 --> 01:29:51,680 BUT IN THAT DATA THAT I'VE JUST 2466 01:29:51,680 --> 01:29:54,200 SHOWN, LET'S NOT FORGET ZETA. 2467 01:29:54,200 --> 01:29:56,480 I KNOW IT'S GONE, BUT IT DOESN'T 2468 01:29:56,480 --> 01:29:57,760 APPEAR TO BE DETECTED ANYWHERE, 2469 01:29:57,760 --> 01:30:00,440 BUT THE STORY ABOUT ZETA IS VERY 2470 01:30:00,440 --> 01:30:01,960 INTERESTING BECAUSE UNLIKE 2471 01:30:01,960 --> 01:30:05,040 OMICRON, IT ONLY HAD ONE CHANGE 2472 01:30:05,040 --> 01:30:06,560 IN THE SPIKE AND OMICRON HAD 2473 01:30:06,560 --> 01:30:09,080 MANY CHANGES IN ITS SPIKE. 2474 01:30:09,080 --> 01:30:14,000 BUT ZETA HAD A CHANGE IN OH -- 2475 01:30:14,000 --> 01:30:15,200 MAYBE THERE'S CHANGES IN OTHER 2476 01:30:15,200 --> 01:30:16,760 ASPECTS OF THE VIRUS WERE 2477 01:30:16,760 --> 01:30:19,680 RESPONSIBLE FOR THE ESCAPE IN 2478 01:30:19,680 --> 01:30:21,000 THE MICRO NEUTRALIZATION ASSAY. 2479 01:30:21,000 --> 01:30:21,880 MAYBE WE NEED TO INVESTIGATE 2480 01:30:21,880 --> 01:30:23,840 THIS IN A MICROPHYSIOLOGICAL 2481 01:30:23,840 --> 01:30:24,600 SYSTEM TO UNDERSTAND WHAT WAS 2482 01:30:24,600 --> 01:30:32,280 HAPPENING THERE. 2483 01:30:32,280 --> 01:30:37,440 WHEN WE LOOK AT A PSEUDOVIRUS 2484 01:30:37,440 --> 01:30:38,920 ASSAY, WE DON'T SEE THAT TYPE OF 2485 01:30:38,920 --> 01:30:40,040 REDUCTION IN SIGNAL AND THAT MAY 2486 01:30:40,040 --> 01:30:42,920 BE BECAUSE THE 2487 01:30:42,920 --> 01:30:44,520 PSEUDONEUTRALIZATION ASSAYS ARE 2488 01:30:44,520 --> 01:30:45,840 ONLY FOCUSED ON THE SPIKE 2489 01:30:45,840 --> 01:30:49,760 PROTEIN. 2490 01:30:49,760 --> 01:30:52,280 WHEN WE TALK ABOUT RESEARCH AND 2491 01:30:52,280 --> 01:30:53,960 DEVELOPMENT, IN THE CONTEXT OF 2492 01:30:53,960 --> 01:30:57,000 SCIENTIFIC SERVICES, I'M 2493 01:30:57,000 --> 01:30:58,520 STARTING TO USE THIS DIAGRAM TO 2494 01:30:58,520 --> 01:30:59,480 EXPLAIN TO PEOPLE THE DIFFERENCE 2495 01:30:59,480 --> 01:31:03,320 BETWEEN RESEARCH AND DEVELOPMENT 2496 01:31:03,320 --> 01:31:04,120 IN THIS CONTEXT. 2497 01:31:04,120 --> 01:31:05,520 I KNOW IN TERMS OF RESEARCH, WE 2498 01:31:05,520 --> 01:31:08,040 TEND TO HAVE HYPOTHESIS TESTING 2499 01:31:08,040 --> 01:31:10,480 WHERE WE MOVE FROM AN UNKNOWN 2500 01:31:10,480 --> 01:31:11,320 SITUATION TO A KNOWN SITUATION 2501 01:31:11,320 --> 01:31:14,400 BY USING A SCIENTIFIC SERVICE TO 2502 01:31:14,400 --> 01:31:15,280 ANSWER A SPECIFIC QUESTION. 2503 01:31:15,280 --> 01:31:16,480 THE KNOWLEDGE THAT WE GAIN FROM 2504 01:31:16,480 --> 01:31:18,880 THAT GIVES US APPLIED KNOWLEDGE, 2505 01:31:18,880 --> 01:31:21,800 AND THAT IN ITSELF IS A SIGN OF 2506 01:31:21,800 --> 01:31:23,160 SCIENTIFIC SERVICE. 2507 01:31:23,160 --> 01:31:25,320 BUT MAKING SURE THAT OUR 2508 01:31:25,320 --> 01:31:28,800 SCIENTIFIC SERVICES REMAIN ON 2509 01:31:28,800 --> 01:31:29,720 TARGET IS AN IMPORTANT COMPONENT 2510 01:31:29,720 --> 01:31:32,000 OF A SCIENTIFIC SERVICE, AND A 2511 01:31:32,000 --> 01:31:33,400 QUALITY MANAGEMENT SYSTEM WILL 2512 01:31:33,400 --> 01:31:35,400 DETECT WHETHER OUR SCIENTIFIC 2513 01:31:35,400 --> 01:31:38,640 SERVICES ARE OFF TARGET OR NOT. 2514 01:31:38,640 --> 01:31:40,840 AND IF THEY ARE, WE THEN NEED TO 2515 01:31:40,840 --> 01:31:43,360 APPLY DEVELOPMENT TO RE-TARGET 2516 01:31:43,360 --> 01:31:47,280 OUR SCIENTIFIC SERVICES IN ORDER 2517 01:31:47,280 --> 01:31:48,880 TO IMPROVE OUR SERVICE TO ENSURE 2518 01:31:48,880 --> 01:31:50,200 WE SEE THE WHOLE PICTURE, NOT 2519 01:31:50,200 --> 01:31:51,120 THE TIP OF THE ICEBERG. 2520 01:31:51,120 --> 01:31:52,560 THIS IS EXACTLY WHAT HAPPENED 2521 01:31:52,560 --> 01:31:55,080 WITH SARS-COV-2 DURING OWRL 2522 01:31:55,080 --> 01:31:56,720 RESPONSE TO THE PANDEMIC, 2523 01:31:56,720 --> 01:31:59,560 BECAUSE OF THE EMERGENCE OF 2524 01:31:59,560 --> 01:32:00,320 VARIANTS OF CONCERN. 2525 01:32:00,320 --> 01:32:02,520 WHEN WE TALK ABOUT AN ANIMAL 2526 01:32:02,520 --> 01:32:03,720 MODEL WE HAD AVAILABLE, THESE 2527 01:32:03,720 --> 01:32:10,480 WERE VERY WELL ILLUSTRATED IN 2528 01:32:10,480 --> 01:32:12,360 MANY COLLABORATORS, WE SAW THERE 2529 01:32:12,360 --> 01:32:13,720 WAS FOR EACH VARIANT OF CONCERN, 2530 01:32:13,720 --> 01:32:16,080 THERE WAS A SLIGHTLY DIFFERENT 2531 01:32:16,080 --> 01:32:19,480 PROFILE OF INFECTIVITY BETWEEN 2532 01:32:19,480 --> 01:32:21,440 HAMSTERS, PRIMATES, FERRETS AND 2533 01:32:21,440 --> 01:32:28,040 SMALL ANIMALS. 2534 01:32:28,040 --> 01:32:31,360 BUT THIS HOST RANGE VAIR VARS 2535 01:32:31,360 --> 01:32:32,480 SOMETHING WE JUST CAN'T DEAL 2536 01:32:32,480 --> 01:32:34,760 WITH IN TERMS OF ANIMAL MODELS. 2537 01:32:34,760 --> 01:32:37,080 SO ASSAYS NEED TO BE FUTURE 2538 01:32:37,080 --> 01:32:38,800 PROOFED, AND IF SARS-COV-2 IS 2539 01:32:38,800 --> 01:32:40,680 EVOLVING INTO HUMAN-ONLY FORM, 2540 01:32:40,680 --> 01:32:42,440 MAYBE THESE ANIMAL MODELS WILL 2541 01:32:42,440 --> 01:32:46,360 EFFICIENTLY BECOME REDUNDANT. 2542 01:32:46,360 --> 01:32:48,040 UNLESS WE USE RECOMBINANT 2543 01:32:48,040 --> 01:32:48,480 ANIMALS. 2544 01:32:48,480 --> 01:32:50,080 BUT THIS IS NOT THE LONG TERM 2545 01:32:50,080 --> 01:32:51,920 ANSWER, AND I THINK THE 2546 01:32:51,920 --> 01:32:52,840 MICROPHYSIOLOGICAL SYSTEMS MAY 2547 01:32:52,840 --> 01:32:57,320 OFFER A FUTURE PATHWAY TO NOT 2548 01:32:57,320 --> 01:32:58,920 ONLY VARIANTS OF CONCERN BUT 2549 01:32:58,920 --> 01:33:02,880 OTHER HUMAN SPECIFIC PATHOGENS. 2550 01:33:02,880 --> 01:33:08,680 AS WE CAN SEE IN THIS PICTURE 2551 01:33:08,680 --> 01:33:16,560 FROM LONGLONG. 2552 01:33:16,560 --> 01:33:17,640 SO IN THE LAST FEW MINUTES, I 2553 01:33:17,640 --> 01:33:19,080 JUST WANTED TO TALK ABOUT SUPPLY 2554 01:33:19,080 --> 01:33:19,640 AND DEMAND. 2555 01:33:19,640 --> 01:33:23,040 WE DO NEED A PLAN. 2556 01:33:23,040 --> 01:33:25,000 FOR SMALL ANIMAL STUDIES, THAT'S 2557 01:33:25,000 --> 01:33:27,280 FINE, BUT TRANSGENICS TOOK A LOT 2558 01:33:27,280 --> 01:33:28,680 OF MONEY AND THEY TOOK TIME TO 2559 01:33:28,680 --> 01:33:29,720 DEVELOP, AND ACTUALLY WHEN WE 2560 01:33:29,720 --> 01:33:31,960 DID HAVE SOME OF THEM, THEY WERE 2561 01:33:31,960 --> 01:33:33,160 EXTREMELY SEVERE FORM OF 2562 01:33:33,160 --> 01:33:34,520 INFECTION WHICH DIDN'T REPRESENT 2563 01:33:34,520 --> 01:33:37,760 A NORMAL FORM OF INFECTION. 2564 01:33:37,760 --> 01:33:39,520 FOR NON-HUMAN PRIMATE, IT'S NOT 2565 01:33:39,520 --> 01:33:44,360 OKAY TO LOOK AT EACH VARIANT 2566 01:33:44,360 --> 01:33:45,760 CONCERN FOR EFFECTORS OF 2567 01:33:45,760 --> 01:33:47,080 VACCINES AND DRUGS BECAUSE 2568 01:33:47,080 --> 01:33:48,160 THERE'S SIMPLY NOT ENOUGH 2569 01:33:48,160 --> 01:33:49,240 ANIMALS AND WE CAN'T COPE WITH 2570 01:33:49,240 --> 01:33:50,440 ALL THE VARIANTS OF CONCERN, 2571 01:33:50,440 --> 01:33:52,120 EVEN IF WE WANTED TO, AND IT MAY 2572 01:33:52,120 --> 01:33:54,640 BE THAT IT WILL DRIFT AWAY FROM 2573 01:33:54,640 --> 01:33:58,560 HAVING SPECIFICITY TO NHPs. 2574 01:33:58,560 --> 01:34:00,520 SO IN MICROPHYSIOLOGICAL SYSTEM, 2575 01:34:00,520 --> 01:34:01,840 THEY CAN BE USED FOR CELL LINES 2576 01:34:01,840 --> 01:34:02,960 BUT THEY'RE NOT REPRESENTATIVE 2577 01:34:02,960 --> 01:34:05,560 OF COMPLEX TISSUES BUT COULD USE 2578 01:34:05,560 --> 01:34:07,120 HUMAN PRIMARY TISSUE BUT THERE'S 2579 01:34:07,120 --> 01:34:08,200 VARIANCE IN ETHICAL CONCERNS AND 2580 01:34:08,200 --> 01:34:09,600 WE NEED TO HAVE SOMETHING THAT'S 2581 01:34:09,600 --> 01:34:11,160 RELIABLE AND REPRODUCIBLE OVER 2582 01:34:11,160 --> 01:34:13,000 TIME. 2583 01:34:13,000 --> 01:34:15,840 SO MAYBE POTENTIAL PLEUR OWE 2584 01:34:15,840 --> 01:34:17,400 POTENT STEM CELLS IN THE FUTURE 2585 01:34:17,400 --> 01:34:19,080 AND IF SO WE NEED TO THINK OF A 2586 01:34:19,080 --> 01:34:21,000 GLOBAL SUPPLY AND ALTHOUGH THAT 2587 01:34:21,000 --> 01:34:24,400 MIGHT BE EXPENSIVE IN THE FIRST 2588 01:34:24,400 --> 01:34:25,440 INSTANCE, DEMAND AND SCALE WILL 2589 01:34:25,440 --> 01:34:26,440 REDUCE THAT COST. 2590 01:34:26,440 --> 01:34:30,280 SO IN CONCLUSION, WELCOME TO THE 2591 01:34:30,280 --> 01:34:30,800 21ST CENTURY SCIENTIFIC 2592 01:34:30,800 --> 01:34:31,360 RENAISSANCE. 2593 01:34:31,360 --> 01:34:32,360 THE GLOBAL COMMUNITY IS NOW 2594 01:34:32,360 --> 01:34:33,480 LISTENING TO US. 2595 01:34:33,480 --> 01:34:35,640 WE'RE NOW SHARING DATA AND 2596 01:34:35,640 --> 01:34:37,720 TECHNOLOGY IN A WAY WHICH WE 2597 01:34:37,720 --> 01:34:38,720 COULDN'T HAVE ANTICIPATED AND 2598 01:34:38,720 --> 01:34:42,560 THIS IS NOW THE NEW NORM. 2599 01:34:42,560 --> 01:34:44,720 I THINK THE HUMAN 2600 01:34:44,720 --> 01:34:47,080 MICROPHYSIOLOGICAL SYSTEMS 2601 01:34:47,080 --> 01:34:48,560 OFFERING A POTENTIAL TO ANIMALS 2602 01:34:48,560 --> 01:34:50,960 IN THE LONG TERM, BUT WE NEED TO 2603 01:34:50,960 --> 01:34:54,560 FIT THOSE ANTIVIRAL DRUG TESTING 2604 01:34:54,560 --> 01:34:59,160 REQUIREMENTS, BUT THOSE THAT 2605 01:34:59,160 --> 01:35:01,560 TICK THE BOXES FOR ANTIVIRAL 2606 01:35:01,560 --> 01:35:03,760 DRUG TESTING SHOULD ALSO BE 2607 01:35:03,760 --> 01:35:04,720 FIT-FOR-PURPOSES FOR VACCINES 2608 01:35:04,720 --> 01:35:06,280 AND THERAPEUTICS, WHICH COULD BE 2609 01:35:06,280 --> 01:35:07,360 INCORPORATED INTO DRUGS. 2610 01:35:07,360 --> 01:35:10,640 SO LET'S MAKE SURE THAT THE 2611 01:35:10,640 --> 01:35:11,720 MODELS WE CHOOSE ARE APPLICABLE 2612 01:35:11,720 --> 01:35:13,360 TO VACCINE AND THERAPEUTIC 2613 01:35:13,360 --> 01:35:13,920 TESTING. 2614 01:35:13,920 --> 01:35:18,080 INTO AND AND ONCE WE HAVE TH, 2615 01:35:18,080 --> 01:35:19,960 THAT COULD BE USED FOR ALL 2616 01:35:19,960 --> 01:35:21,680 SELECT AGENTS ONCE WE ADDRESS 2617 01:35:21,680 --> 01:35:24,000 ISSUES AROUND CONTAINMENT, WHICH 2618 01:35:24,000 --> 01:35:25,600 ARE QUITE FORMIDABLE, BUT WE 2619 01:35:25,600 --> 01:35:27,600 NEED A GLOBAL SUPPLY AND DEMAND 2620 01:35:27,600 --> 01:35:32,280 PLAN. 2621 01:35:32,280 --> 01:35:33,480 SO WITH THAT, I'D LIKE TO THANK 2622 01:35:33,480 --> 01:35:35,040 YOU FOR YOUR ATTENTION AND OPEN 2623 01:35:35,040 --> 01:35:39,320 UP FOR QUESTIONS. 2624 01:35:39,320 --> 01:35:41,040 >> THANK YOU SO MUCH, SIMON, FOR 2625 01:35:41,040 --> 01:35:42,240 THIS WONDERFUL TALK. 2626 01:35:42,240 --> 01:35:43,560 I SEE ONE QUESTION IN THE Q & A 2627 01:35:43,560 --> 01:35:47,280 BOX SO I'LL DIRECT THAT TO YOU. 2628 01:35:47,280 --> 01:35:48,480 SO THE QUESTION SAYS, THE FDA 2629 01:35:48,480 --> 01:35:50,280 HAS THE ANIMAL RULE FOR 2630 01:35:50,280 --> 01:35:52,400 APPROVING DRUGS BASED ON ANIMAL 2631 01:35:52,400 --> 01:35:52,760 STUDIES. 2632 01:35:52,760 --> 01:35:54,720 IS THERE ANY MOVEMENT ON THE 2633 01:35:54,720 --> 01:35:56,800 PART OF THE FDA OR OTHER 2634 01:35:56,800 --> 01:35:59,560 REGULATORY AGENCIES AROUND THE 2635 01:35:59,560 --> 01:36:03,440 WORLD TO THE ESTABLISHMENT OF A 2636 01:36:03,440 --> 01:36:04,560 "CHIP RULE"? 2637 01:36:04,560 --> 01:36:09,680 >> YES, I THINK IN ONE OF MY 2638 01:36:09,680 --> 01:36:12,760 SLIDES, I ACTUALLY HAD A SCREEN 2639 01:36:12,760 --> 01:36:15,160 SHOT OF A BILL THAT'S PASSING 2640 01:36:15,160 --> 01:36:16,840 THROUGH AT THE MOMENT IN THE 2641 01:36:16,840 --> 01:36:20,120 U.S. IN TERMS OF ACCEPTANCE TO 2642 01:36:20,120 --> 01:36:30,640 MICROPHYSIOLOGICAL SYSTEM DATA. 2643 01:36:31,440 --> 01:36:32,720 I THINK IT'S IMPORTANT WHEN WE 2644 01:36:32,720 --> 01:36:34,680 TALK ABOUT THE ANIMAL RULE THAT 2645 01:36:34,680 --> 01:36:35,960 IF THERE'S ONGOING INFECTION, 2646 01:36:35,960 --> 01:36:37,840 THEN THE ANIMAL RULE CANNOT 2647 01:36:37,840 --> 01:36:39,400 APPLY BECAUSE YOU CAN'T ACTUALLY 2648 01:36:39,400 --> 01:36:44,720 GO AND DO A CLINICAL TRIAL. 2649 01:36:44,720 --> 01:36:46,920 BUT I THINK WE'RE AT A MOMENT IN 2650 01:36:46,920 --> 01:36:49,520 TIME WHERE MICROPHYSIOLOGICAL 2651 01:36:49,520 --> 01:36:51,120 SYSTEMS ARE BEGINNING TO BE 2652 01:36:51,120 --> 01:36:55,240 ACCEPTED AND THAT'S WHY I'M 2653 01:36:55,240 --> 01:36:57,120 HERE. 2654 01:36:57,120 --> 01:36:58,400 >> THANK YOU, SIMON. 2655 01:36:58,400 --> 01:36:59,360 THERE'S MULTIPLE OTHER QUESTIONS 2656 01:36:59,360 --> 01:36:59,960 COMING IN. 2657 01:36:59,960 --> 01:37:05,840 SO WE'LL TAKE ONE FROM MARK, 2658 01:37:05,840 --> 01:37:07,240 WHO'S ASKING, CAN YOU COMMENT ON 2659 01:37:07,240 --> 01:37:11,640 THE VALUE OR NOT OF ANIMAL -- 2660 01:37:11,640 --> 01:37:14,040 MPS TO SUPPORT THE DEVELOPMENT 2661 01:37:14,040 --> 01:37:15,160 OF ANTIVIRAL DRUGS? 2662 01:37:15,160 --> 01:37:18,880 >> YES, I THINK THERE ARE 2663 01:37:18,880 --> 01:37:20,280 EXISTING DATASETS THAT HAVE BEEN 2664 01:37:20,280 --> 01:37:24,120 GENERATED IN NON-HUMAN PRIMATES. 2665 01:37:24,120 --> 01:37:24,560 HISTORICALLY. 2666 01:37:24,560 --> 01:37:26,080 AND WE HAVE DATASETS THAT HAVE 2667 01:37:26,080 --> 01:37:29,560 BEEN PRODUCED IN HUMAN 2668 01:37:29,560 --> 01:37:32,760 MICROPHYSIOLOGICAL SYSTEMS, AND 2669 01:37:32,760 --> 01:37:34,720 IT MAY BE IMPORTANT TO LINK 2670 01:37:34,720 --> 01:37:38,880 HISTORIC DATASETS THAT HAVE BEEN 2671 01:37:38,880 --> 01:37:43,240 GENERATED IN NHPs IN HUMANS -- 2672 01:37:43,240 --> 01:37:43,920 MICROPHYSIOLOGICAL SYSTEM DATA 2673 01:37:43,920 --> 01:37:46,640 IN HUMANS, MICROPHYSIOLOGICAL 2674 01:37:46,640 --> 01:37:48,720 SYSTEM DATA IN ANIMALS AND THE 2675 01:37:48,720 --> 01:37:50,120 ANIMAL DATA AND HUMAN DATA AND 2676 01:37:50,120 --> 01:37:51,760 IT MAY BE THAT WE CAN LINK ALL 2677 01:37:51,760 --> 01:37:54,280 THOSE FOUR DAY IT SETS. 2678 01:37:54,280 --> 01:37:54,560 DATASETS. 2679 01:37:54,560 --> 01:37:56,840 SO YES, THERE IS VALUE IN 2680 01:37:56,840 --> 01:37:57,720 DEVELOPING THOSE IN ORDER TO 2681 01:37:57,720 --> 01:37:59,000 ACCESS THE EXISTING DATASETS 2682 01:37:59,000 --> 01:38:03,280 THAT ARE IN ANIMALS AND HUMANS. 2683 01:38:03,280 --> 01:38:06,360 >> THANK YOU, SIMON. 2684 01:38:06,360 --> 01:38:08,600 NEXT QUESTION IS, IS IT ONLY 2685 01:38:08,600 --> 01:38:11,160 CHIP-BASED MODELS THAT WILL BE 2686 01:38:11,160 --> 01:38:12,800 CONSIDERED OR CO-CULTURED 2687 01:38:12,800 --> 01:38:17,480 WITHOUT A CHIP? 2688 01:38:17,480 --> 01:38:18,800 >> I THINK IN SOME OF THE 2689 01:38:18,800 --> 01:38:19,560 PRELIMINARY TALKS, WE HEARD 2690 01:38:19,560 --> 01:38:22,040 ABOUT SCALE, AND CAN YOU HAVE 2691 01:38:22,040 --> 01:38:24,080 THE MOST SOPHISTICATED -- YOU 2692 01:38:24,080 --> 01:38:27,000 CAN HAVE THE MOST SOPHISTICATED 2693 01:38:27,000 --> 01:38:31,080 SYSTEM ON THE PLANET BUT WITHOUT 2694 01:38:31,080 --> 01:38:32,920 SCALE, WE CAN'T ACTUALLY APPLY 2695 01:38:32,920 --> 01:38:33,560 IT. 2696 01:38:33,560 --> 01:38:36,320 WE NEED THE ACTUAL NUMBERS TO 2697 01:38:36,320 --> 01:38:39,240 GET STATISTICAL SIGNIFICANCE. 2698 01:38:39,240 --> 01:38:40,760 SO I WOULDN'T ELIMINATE ANY 2699 01:38:40,760 --> 01:38:42,320 APPROACH, I THINK, AS LONG AS 2700 01:38:42,320 --> 01:38:46,040 IT'S SCIENTIFICALLY JUSTIFIABLE 2701 01:38:46,040 --> 01:38:48,200 AND ADDRESSES THE REQUIREMENTS 2702 01:38:48,200 --> 01:38:49,960 OF THE DRUG WHICH MAY VARY FROM 2703 01:38:49,960 --> 01:38:54,040 ONE DRUG TO ANOTHER, THEN I 2704 01:38:54,040 --> 01:38:58,200 DON'T THINK THAT'S IMPORTANT. 2705 01:38:58,200 --> 01:38:59,600 I THINK IT'S MORE IMPORTANT TO 2706 01:38:59,600 --> 01:39:02,440 MAKE SURE WE HAVE A MODEL THAT'S 2707 01:39:02,440 --> 01:39:03,520 REPRODUCIBLE AND RELIABLE AND 2708 01:39:03,520 --> 01:39:04,640 CAN COPE WITH THE NUMBERS THAT 2709 01:39:04,640 --> 01:39:07,040 ARE REQUIRED TO ACHIEVE 2710 01:39:07,040 --> 01:39:07,920 STATISTICAL SIGNIFICANCE. 2711 01:39:07,920 --> 01:39:13,600 SO I'M NOT ELIMINATING ANY 2712 01:39:13,600 --> 01:39:15,960 APPROACH. 2713 01:39:15,960 --> 01:39:16,600 >> MAKE SENSE. 2714 01:39:16,600 --> 01:39:17,520 THANK YOU, SIMON. 2715 01:39:17,520 --> 01:39:18,600 WE HAVE MORE QUESTIONS COMING 2716 01:39:18,600 --> 01:39:18,800 IN. 2717 01:39:18,800 --> 01:39:20,800 THE NEXT QUESTION IS, WHAT IS 2718 01:39:20,800 --> 01:39:22,600 THE IMPORTANCE OF PROVIDING A 2719 01:39:22,600 --> 01:39:26,280 TRUE BLOOD AND LYMPHATIC CIRCUIT 2720 01:39:26,280 --> 01:39:28,880 USING WHOLE BLOOD TO PERFUSE THE 2721 01:39:28,880 --> 01:39:29,600 MPS SYSTEM? 2722 01:39:29,600 --> 01:39:33,600 >> I'VE GOT TO SAY, THAT SOUNDS 2723 01:39:33,600 --> 01:39:34,360 ATTRACTIVE. 2724 01:39:34,360 --> 01:39:36,480 BUT I KNOW FROM PREVIOUS 2725 01:39:36,480 --> 01:39:38,320 EXPERIENCE FROM OTHER STUDIES 2726 01:39:38,320 --> 01:39:40,480 THAT THAT CAN BE COMPLICATED 2727 01:39:40,480 --> 01:39:43,560 BECAUSE IF, FOR EXAMPLE, SOMEONE 2728 01:39:43,560 --> 01:39:45,880 IS RECEIVING ANTIVIRAL DRUG AND 2729 01:39:45,880 --> 01:39:49,040 YOU TAKE A SAMPLE OF THE WHOLE 2730 01:39:49,040 --> 01:39:50,440 BLOOD, THEN THEY WILL HAVE THAT 2731 01:39:50,440 --> 01:39:52,320 ANTIVIRAL DRUG IN THEIR BLOOD 2732 01:39:52,320 --> 01:39:56,800 EQUALLY IF THEY'VE HAD -- IF 2733 01:39:56,800 --> 01:39:58,120 THEY HAVE AN UNDERLYING 2734 01:39:58,120 --> 01:39:59,560 CONDITION SUCH AS A COMPLEMENT 2735 01:39:59,560 --> 01:40:00,920 DEFICIENCY, THEN THAT MODEL WILL 2736 01:40:00,920 --> 01:40:03,360 REFLECT THAT. 2737 01:40:03,360 --> 01:40:04,680 AND SO THE ANSWER TO THAT 2738 01:40:04,680 --> 01:40:05,440 QUESTION IS, WHAT IS THE 2739 01:40:05,440 --> 01:40:06,760 QUESTION THAT YOU'RE ANSWERING? 2740 01:40:06,760 --> 01:40:10,120 AND IF IT'S IS THE INDIVIDUAL 2741 01:40:10,120 --> 01:40:11,320 PROTECTED, THEN MAYBE A WHOLE 2742 01:40:11,320 --> 01:40:13,120 BLOOD SAMPLE WOULD GIVE YOU THAT 2743 01:40:13,120 --> 01:40:13,320 ANSWER. 2744 01:40:13,320 --> 01:40:14,320 BUT IF YOU WANT TO TEST WHETHER 2745 01:40:14,320 --> 01:40:17,560 A DRUG HAS AN IMPACT ON A 2746 01:40:17,560 --> 01:40:18,440 HEALTHY IMMUNE SYSTEM, YOU MAY 2747 01:40:18,440 --> 01:40:20,120 HAVE TO HAVE A HEALTHY IMMUNE 2748 01:40:20,120 --> 01:40:21,600 SYSTEM WHICH YOU CAN APPLY THAT 2749 01:40:21,600 --> 01:40:25,600 DRUG OR THERAPEUTIC TO. 2750 01:40:25,600 --> 01:40:27,440 SO I THINK IN ANSWER TO THAT 2751 01:40:27,440 --> 01:40:28,880 QUESTION, I THINK IT SOUNDS 2752 01:40:28,880 --> 01:40:30,000 ATTRACTIVE, BUT I'M ALSO AWARE 2753 01:40:30,000 --> 01:40:31,440 THAT RED BLOOD CELLS REPRESENT 2754 01:40:31,440 --> 01:40:34,120 QUITE A TECHNICAL CHALLENGE IN 2755 01:40:34,120 --> 01:40:36,160 SOME SYSTEMS, BUT THAT CHALLENGE 2756 01:40:36,160 --> 01:40:39,280 CAN BE OVERCOME. 2757 01:40:39,280 --> 01:40:40,000 >> UNDERSTOOD. 2758 01:40:40,000 --> 01:40:40,880 THANK YOU, SIMON. 2759 01:40:40,880 --> 01:40:43,960 THREE MORE QUESTIONS AND WE HAVM 2760 01:40:43,960 --> 01:40:45,720 LIVE IF THAT'S OKAY WITH YOU. 2761 01:40:45,720 --> 01:40:46,680 >> THAT'S FINE. 2762 01:40:46,680 --> 01:40:49,760 WITH BUT PLEASE READ THEM BACKI 2763 01:40:49,760 --> 01:40:51,600 CAN'T SEE THEM. 2764 01:40:51,600 --> 01:40:52,080 >> ALL RIGHT. 2765 01:40:52,080 --> 01:40:53,960 SO THE NEXT QUESTION IS, WHAT 2766 01:40:53,960 --> 01:40:57,840 STRATEGIES DO YOU PROPOSE FOR 2767 01:40:57,840 --> 01:41:01,720 INCORPORATING ADAPTIVE IMMUNITY? 2768 01:41:01,720 --> 01:41:02,800 >> OKAY. 2769 01:41:02,800 --> 01:41:03,640 THAT'S A VERY CHALLENGING 2770 01:41:03,640 --> 01:41:07,840 QUESTION. 2771 01:41:07,840 --> 01:41:09,480 BUT I'M AWARE THAT THERE ARE 2772 01:41:09,480 --> 01:41:12,880 SYSTEMS OUT THERE THAT CAN USE 2773 01:41:12,880 --> 01:41:18,640 VERY SMALL VOLUMES OF BLOOD TO 2774 01:41:18,640 --> 01:41:21,720 ASSESS T-CELLS. 2775 01:41:21,720 --> 01:41:24,320 AND I THINK THAT USING MICRO 2776 01:41:24,320 --> 01:41:25,840 FLUIDICS, THERE MUST BE A WAY TO 2777 01:41:25,840 --> 01:41:29,920 GET A SMALL VOLUME OF WHOLE 2778 01:41:29,920 --> 01:41:32,520 BLOOD INTO THE ENDOTHELIAL 2779 01:41:32,520 --> 01:41:36,360 CHANNEL OF A SYSTEM WHICH HAS AN 2780 01:41:36,360 --> 01:41:42,280 ENDOTHELIAL AND MUCOSAL SURFACE. 2781 01:41:42,280 --> 01:41:44,560 I'M NOT A MICRO FLUIDICS EXPERT 2782 01:41:44,560 --> 01:41:46,320 BUT I CAN SEE PEOPLE ARE DOING 2783 01:41:46,320 --> 01:41:48,080 THAT FOR OTHER PURPOSES, SO I 2784 01:41:48,080 --> 01:41:49,280 THINK WHERE THERE'S A NEED, 2785 01:41:49,280 --> 01:41:51,480 THERE WILL BE A SOLUTION. 2786 01:41:51,480 --> 01:41:53,480 AND SO I DON'T HAVE A GENERIC 2787 01:41:53,480 --> 01:41:57,480 ANSWER TO THAT, BUT I DO THINK 2788 01:41:57,480 --> 01:41:59,200 THAT SMALL VOLUMES CAN BE 2789 01:41:59,200 --> 01:42:01,400 INTRODUCED EITHER INTO THE 2790 01:42:01,400 --> 01:42:03,720 ENDOTHELIAL CHANNEL OR IF IT'S 2791 01:42:03,720 --> 01:42:05,800 IN AN ORGAN, IT MAY BE 2792 01:42:05,800 --> 01:42:06,440 INTRODUCING CELLS. 2793 01:42:06,440 --> 01:42:07,400 BECAUSE ACTUALLY WHEN YOU THINK 2794 01:42:07,400 --> 01:42:09,720 ABOUT A MICRO NEUTRALIZATION 2795 01:42:09,720 --> 01:42:11,880 ASSAY, ALL THAT'S HAPPENING IS 2796 01:42:11,880 --> 01:42:13,240 THE ANTIBODIES BEING MIXED WITH 2797 01:42:13,240 --> 01:42:16,400 THE VIRUS ARE BEING -- ON TO THE 2798 01:42:16,400 --> 01:42:16,840 VERO CELL. 2799 01:42:16,840 --> 01:42:18,040 THAT'S PRETTY SIMPLE. 2800 01:42:18,040 --> 01:42:21,760 BUT IF WE CAN GET A COMPLEX 2801 01:42:21,760 --> 01:42:25,240 TISSUE MODEL AT A CONTROLLED 2802 01:42:25,240 --> 01:42:26,680 RATE, MAYBE FLOW CYTOMETRY CAN 2803 01:42:26,680 --> 01:42:28,520 GIVE US THE NUMBERS SO WE CAN 2804 01:42:28,520 --> 01:42:31,160 STANDARDIZE THE NUMBERS GOING 2805 01:42:31,160 --> 01:42:33,000 IN, AND MAYBE THAT CAN BE A WAY 2806 01:42:33,000 --> 01:42:36,040 TO ACTUALLY ASSESS ANTIBODIES 2807 01:42:36,040 --> 01:42:39,200 AND CELLULAR IMMUNITY AT THE 2808 01:42:39,200 --> 01:42:40,360 SAME TIME. 2809 01:42:40,360 --> 01:42:41,760 >> THANK YOU, SIMON. 2810 01:42:41,760 --> 01:42:43,000 AND HOPEFULLY WE CAN ANSWER SOME 2811 01:42:43,000 --> 01:42:44,920 OF THESE QUESTIONS BETWEEN TODAY 2812 01:42:44,920 --> 01:42:46,880 AND TOMORROW WITH ALL THE 2813 01:42:46,880 --> 01:42:48,240 SPEAKERS, THE TALKS, THE 2814 01:42:48,240 --> 01:42:49,080 FANTASTIC TALKS THAT WE HAVE. 2815 01:42:49,080 --> 01:42:49,960 ALL RIGHT. 2816 01:42:49,960 --> 01:42:52,280 MORE QUESTIONS FOR YOU, SIMON. 2817 01:42:52,280 --> 01:42:55,240 SO I'VE GOT ONE THAT SAYS, HI, 2818 01:42:55,240 --> 01:42:55,440 SIMON. 2819 01:42:55,440 --> 01:42:56,520 THANK YOU FOR THE VERY NICE 2820 01:42:56,520 --> 01:42:57,520 TALK. 2821 01:42:57,520 --> 01:43:01,480 CAN YOU EXPAND ON WHAT MODEL 2822 01:43:01,480 --> 01:43:03,640 COMPONENTS ARE NECESSARY FOR 2823 01:43:03,640 --> 01:43:04,960 MICROPHYSIOLOGICAL SYSTEMS BEING 2824 01:43:04,960 --> 01:43:10,120 USED FOR VACCINE DEVELOPMENT? 2825 01:43:10,120 --> 01:43:11,760 >> AT THE MOMENT, LET ME TALK 2826 01:43:11,760 --> 01:43:14,600 ABOUT SARS-COV-2 2, THERE IS A 2827 01:43:14,600 --> 01:43:16,120 HEAVY RELIANCE ON HUMAN 2828 01:43:16,120 --> 01:43:18,720 IMMUNITY. 2829 01:43:18,720 --> 01:43:22,120 BECAUSE THAT'S SEEN AS A GOOD 2830 01:43:22,120 --> 01:43:23,560 CORRELATE, A CO-CORRELATE OF 2831 01:43:23,560 --> 01:43:24,240 PROTECTION, BECAUSE IT WOULD BE 2832 01:43:24,240 --> 01:43:27,160 VERY ODD FOR A VACCINE TO INDUCE 2833 01:43:27,160 --> 01:43:28,880 HUMAN IMMUNITY WITHOUT CELLULAR 2834 01:43:28,880 --> 01:43:29,160 IMMUNITY. 2835 01:43:29,160 --> 01:43:30,520 AND PART OF THAT IS BECAUSE IT'S 2836 01:43:30,520 --> 01:43:32,640 ACTUALLY VERY DIFFICULT TO TAKE 2837 01:43:32,640 --> 01:43:36,440 THE SAMPLES THAT ARE REQUIRED TO 2838 01:43:36,440 --> 01:43:37,440 ACTUALLY CONDUCT CELLULAR 2839 01:43:37,440 --> 01:43:40,960 IMMUNITY ASSESSMENT, BUT JUST 2840 01:43:40,960 --> 01:43:42,240 BECAUSE IT'S DIFFICULT DOESN'T 2841 01:43:42,240 --> 01:43:43,240 MEAN WE CAN'T DO IT. 2842 01:43:43,240 --> 01:43:45,400 I THINK THERE IS A -- FOR 2843 01:43:45,400 --> 01:43:47,600 CELLULAR IMMUNITY TO BE ANALYZED 2844 01:43:47,600 --> 01:43:48,480 BUT FIRST YOU'VE GOT TO THINK 2845 01:43:48,480 --> 01:43:50,120 ABOUT HOW DO YOU TAKE A BLOOD 2846 01:43:50,120 --> 01:43:52,080 SAMPLE FROM SOMEONE IN AN 2847 01:43:52,080 --> 01:43:54,600 ENDEMIC COUNTRY, AND ANALYZE IT? 2848 01:43:54,600 --> 01:43:57,240 YOU CAN EITHER SHIP IT BACK TO A 2849 01:43:57,240 --> 01:44:00,080 HUB IN A CENTRAL REGION, OR YOU 2850 01:44:00,080 --> 01:44:02,160 CAN TAKE THE TECHNOLOGY TO THE 2851 01:44:02,160 --> 01:44:05,000 ENDEMIC SITE. 2852 01:44:05,000 --> 01:44:08,720 THE SECOND OPTION IS OBVIOUSLY 2853 01:44:08,720 --> 01:44:10,680 THE OPTION WHICH WHO WOULD 2854 01:44:10,680 --> 01:44:12,280 PROMOTE, THEY WANT TO INCREASE 2855 01:44:12,280 --> 01:44:14,640 THE ABILITY OF ENDEMIC COUNTRIES 2856 01:44:14,640 --> 01:44:16,240 TO ANALYZE THEIR OWN SAMPLES. 2857 01:44:16,240 --> 01:44:18,120 WE HAVE FACED CHALLENGES NOW IN 2858 01:44:18,120 --> 01:44:21,280 TERMS OF -- PROTOCOL IN SHIPPING 2859 01:44:21,280 --> 01:44:22,480 SAMPLES OUT OF THIRD WORLD 2860 01:44:22,480 --> 01:44:24,160 COUNTRIES INTO FIRST WORLD 2861 01:44:24,160 --> 01:44:24,800 COUNTRIES. 2862 01:44:24,800 --> 01:44:26,320 SO WHAT WE NEED TO DO IS PIONEER 2863 01:44:26,320 --> 01:44:28,480 THE TECHNOLOGY OF HOW TO DO THIS 2864 01:44:28,480 --> 01:44:30,160 AT HOME, THEN LEARN HOW TO 2865 01:44:30,160 --> 01:44:32,040 MINIATURIZE IT AND MAKE IT 2866 01:44:32,040 --> 01:44:32,680 FIELD-ACCESSIBLE. 2867 01:44:32,680 --> 01:44:34,320 AND THAT'S A SEQUENTIAL PROCESS 2868 01:44:34,320 --> 01:44:35,760 AND IT'S NOT GOING TO HAPPEN 2869 01:44:35,760 --> 01:44:40,000 OVERNIGHT. 2870 01:44:40,000 --> 01:44:42,080 SO THE ANSWER IS, I DON'T HAVE 2871 01:44:42,080 --> 01:44:46,160 THE ANSWER YET, BUT I THINK THAT 2872 01:44:46,160 --> 01:44:47,880 THERE'S MOMENTUM CERTAINLY IN 2873 01:44:47,880 --> 01:44:49,400 THE TALKS I SEE LINED UP IN THE 2874 01:44:49,400 --> 01:44:50,200 NEXT TWO DAYS. 2875 01:44:50,200 --> 01:44:54,000 MAYBE SOME OF THE ANSWERS YOU'RE 2876 01:44:54,000 --> 01:44:55,560 SEARCHING FOR WILL ACTUALLY BE 2877 01:44:55,560 --> 01:44:56,720 ANSWERED IN THE COURSE OF THE 2878 01:44:56,720 --> 01:44:57,720 PRESENTATIONS, AND IF THEY'RE 2879 01:44:57,720 --> 01:44:58,840 NOT, IT'S SOMETHING I'M GOING TO 2880 01:44:58,840 --> 01:45:04,400 BE LOOKING AT IN THE VERY NEAR 2881 01:45:04,400 --> 01:45:04,640 FUTURE. 2882 01:45:04,640 --> 01:45:05,880 >> FANTASTIC. 2883 01:45:05,880 --> 01:45:06,880 THANK YOU, SIMON. 2884 01:45:06,880 --> 01:45:09,320 SO THIS IS AMY FROM NIAID AGAIN. 2885 01:45:09,320 --> 01:45:11,160 THIS IS THE PERSON THAT ASKED 2886 01:45:11,160 --> 01:45:13,360 ABOUT THE STRATEGIES THAT YOU'RE 2887 01:45:13,360 --> 01:45:14,680 PROPOSING FOR INCORPORATING 2888 01:45:14,680 --> 01:45:16,400 ADAPTIVE IMMUNITY, AND SHE'S 2889 01:45:16,400 --> 01:45:19,360 EXPANDING AND SAYING, I'M 2890 01:45:19,360 --> 01:45:21,560 CONCERNED ABOUT THE BARRIER OF 2891 01:45:21,560 --> 01:45:22,600 NHC MATCHING. 2892 01:45:22,600 --> 01:45:26,160 >> YES, I KNOW, WE'VE TALKED 2893 01:45:26,160 --> 01:45:28,800 ABOUT THAT, AND WHEN WE TALK 2894 01:45:28,800 --> 01:45:31,440 ABOUT NHC MATCHING, I THINK IF 2895 01:45:31,440 --> 01:45:33,840 YOU TALK ABOUT DELAYED TYPE 2896 01:45:33,840 --> 01:45:35,120 HYPERSENSITIVITY, THAT TAKES 2897 01:45:35,120 --> 01:45:37,960 SOME TIME TO KICK IN, AND 2898 01:45:37,960 --> 01:45:39,400 CERTAINLY WITH REJECTION, IT 2899 01:45:39,400 --> 01:45:41,360 DOESN'T HAPPEN IN THE COURSE OF 2900 01:45:41,360 --> 01:45:47,280 SEVERAL HOURS -- TAKES QUITE A 2901 01:45:47,280 --> 01:45:49,440 BIT OF TIME AND SOME OF THESE 2902 01:45:49,440 --> 01:45:50,960 ASSAYS COULD TAKE AN HOUR TO BE 2903 01:45:50,960 --> 01:45:51,320 CONDUCTED. 2904 01:45:51,320 --> 01:45:53,520 SO ALTHOUGH THEY WOULD OBVIOUSLY 2905 01:45:53,520 --> 01:45:57,000 BE SOMETHING LIKE THAT BEING 2906 01:45:57,000 --> 01:45:59,320 INITIATED IN THE CASE OF A 2907 01:45:59,320 --> 01:45:59,880 MISMATCH. 2908 01:45:59,880 --> 01:46:00,960 I THINK THAT SOME OF THE ASSAYS 2909 01:46:00,960 --> 01:46:04,240 THAT WE'RE LOOKING AT WOULD 2910 01:46:04,240 --> 01:46:07,040 BE -- TO BE CONDUCTED WITHIN A 2911 01:46:07,040 --> 01:46:08,400 FEW HOURS OR EVEN OVERNIGHT, IN 2912 01:46:08,400 --> 01:46:11,200 WHICH CASE THE -- 2913 01:46:11,200 --> 01:46:11,840 HYPERSENSITIVITY WILL NOT HAVE 2914 01:46:11,840 --> 01:46:13,200 HAD TIME TO INTERFERE WITH THE 2915 01:46:13,200 --> 01:46:14,480 ASSAY, BUT IT'S SOMETHING WE ARE 2916 01:46:14,480 --> 01:46:19,440 ALL THINKING ABOUT. 2917 01:46:19,440 --> 01:46:20,520 >> THANK YOU, SIMON. 2918 01:46:20,520 --> 01:46:23,480 TWO MORE QUESTIONS. 2919 01:46:23,480 --> 01:46:26,320 ONE MORE SAYS TO DATE, WHAT IS 2920 01:46:26,320 --> 01:46:28,720 THE MOST COMPLEX MPS IN TERMS OF 2921 01:46:28,720 --> 01:46:32,880 ITS DIVERSITY OF IMMUNE CELLS 2922 01:46:32,880 --> 01:46:34,200 INCORPORATION, AND WHAT IMMUNE 2923 01:46:34,200 --> 01:46:39,000 CELL TYPES ARE USED FOR YOU -- 2924 01:46:39,000 --> 01:46:40,080 THINK SHOULD BE INITIALLY 2925 01:46:40,080 --> 01:46:42,840 COMBINED FOR TESTING? 2926 01:46:42,840 --> 01:46:50,920 >> I THINK I CAN'T ANSWER THAT 2927 01:46:50,920 --> 01:46:58,160 QUESTION, I THINK SOME PEOPLE 2928 01:46:58,160 --> 01:46:59,160 HAVE ACTUALLY ANSWERED THAT 2929 01:46:59,160 --> 01:47:01,840 QUESTION, SO I THINK I'D HAVE 2930 01:47:01,840 --> 01:47:02,760 THE RIGHT TO DEFER THAT 2931 01:47:02,760 --> 01:47:03,200 QUESTION. 2932 01:47:03,200 --> 01:47:04,800 I KNOW NATURAL KILLER KELCE ARE 2933 01:47:04,800 --> 01:47:07,320 OBVIOUSLY VERY IMPORTANT, BUT -- 2934 01:47:07,320 --> 01:47:08,640 AND THERE ARE MANY T-CELLS THAT 2935 01:47:08,640 --> 01:47:11,160 MAY BE INVOLVED AND 2936 01:47:11,160 --> 01:47:12,240 UNFORTUNATELY WE DON'T REALLY 2937 01:47:12,240 --> 01:47:13,360 KNOW WHICH ONES ARE YET. 2938 01:47:13,360 --> 01:47:18,280 WE'RE GETTING HINTS FROM IB IN 2939 01:47:18,280 --> 01:47:20,240 VITRO ANALYSIS FLOW CYTOMETRY. 2940 01:47:20,240 --> 01:47:22,880 BUT UNTIL WE HAVE MODELS TO 2941 01:47:22,880 --> 01:47:25,120 ANALYZE IT, WE WON'T HAVE THE 2942 01:47:25,120 --> 01:47:25,520 ANSWERS TO THAT. 2943 01:47:25,520 --> 01:47:29,360 >> THANK YOU, SIGH SIMON. 2944 01:47:29,360 --> 01:47:31,760 I INVITE ANYONE ON THE PANEL 2945 01:47:31,760 --> 01:47:35,120 TODAY TO TYPE ANSWERS AS WELL. 2946 01:47:35,120 --> 01:47:37,200 I KNOW THERE'S MULTIPLE PEOPLE 2947 01:47:37,200 --> 01:47:39,600 ON THE PANEL RIGHT NOW THAT 2948 01:47:39,600 --> 01:47:40,920 MIGHT HAVE ADDITIONS TO THE 2949 01:47:40,920 --> 01:47:43,640 ANSWER AS WELL. 2950 01:47:43,640 --> 01:47:44,720 SO FEEL FREE TO TYPE IN YOUR 2951 01:47:44,720 --> 01:47:45,040 ANSWERS. 2952 01:47:45,040 --> 01:47:45,720 ONE MORE QUESTION. 2953 01:47:45,720 --> 01:47:48,440 A PAPER IN THE JOURNAL OF 2954 01:47:48,440 --> 01:47:50,480 INFECTIOUS DISEASES EXPLORED 2955 01:47:50,480 --> 01:47:51,280 NOROVIRUS INFECTION MECHANISMS 2956 01:47:51,280 --> 01:47:56,560 BY USING STEM CELL DERIVED 2957 01:47:56,560 --> 01:47:57,320 INTESTINAL -- TO SIMULATE 2958 01:47:57,320 --> 01:47:58,160 INFECTION. 2959 01:47:58,160 --> 01:47:59,600 HOWEVER, IT WAS FOUND ONLY 2960 01:47:59,600 --> 01:48:01,480 CERTAIN NOROVIRUS GENOTYPES WERE 2961 01:48:01,480 --> 01:48:03,880 ABLE TO INTBECT THE --. 2962 01:48:03,880 --> 01:48:05,520 ARE YOU FAMILIAR WITH OTHER 2963 01:48:05,520 --> 01:48:07,480 SCENARIOS IN WHICH STEM CELL 2964 01:48:07,480 --> 01:48:09,360 DERIVED MODEL SYSTEMS 2965 01:48:09,360 --> 01:48:14,520 ENCOUNTERED SIMILAR LIMITATIONS? 2966 01:48:14,520 --> 01:48:16,480 >> I'M NOT FAMILIAR WITH OTHER 2967 01:48:16,480 --> 01:48:18,000 SCENARIOS THAT HAVE FAILED, BUT 2968 01:48:18,000 --> 01:48:22,200 I AM AWARE THAT IF WE KEEP USING 2969 01:48:22,200 --> 01:48:25,920 VOLUNTEERS TO SUPPLY OUR SEEDS 2970 01:48:25,920 --> 01:48:28,120 CULTURES FOR MICROPHYSIOLOGICAL 2971 01:48:28,120 --> 01:48:29,080 SYSTEMS, WE'RE GOING TO GET A 2972 01:48:29,080 --> 01:48:31,840 LOT OF VARIANTS, AND IT MAY BE 2973 01:48:31,840 --> 01:48:33,560 THAT FOR SEARCH IN ORGANISMS, WE 2974 01:48:33,560 --> 01:48:35,240 NEED TO MAKE SURE THE 2975 01:48:35,240 --> 01:48:36,760 APPROPRIATE BIOMARKERS ARE 2976 01:48:36,760 --> 01:48:37,640 REPRESENTED IN THE MODEL THAT WE 2977 01:48:37,640 --> 01:48:38,160 USE. 2978 01:48:38,160 --> 01:48:43,400 IT MAY BE THAT -- X CELL Y IS 2979 01:48:43,400 --> 01:48:44,200 APPROPRIATE BUT WE'RE GOING TO 2980 01:48:44,200 --> 01:48:48,800 HAVE TO CHANGE THE CELLS. 2981 01:48:48,800 --> 01:48:50,440 BUT WE NEED TO ENSURE THAT THE 2982 01:48:50,440 --> 01:48:52,200 MODEL IS SUITABLE FOR THE 2983 01:48:52,200 --> 01:48:56,240 QUESTION THAT WE'RE ASKING. 2984 01:48:56,240 --> 01:48:58,400 FOR YEARS NOW, WE'VE BEEN USING 2985 01:48:58,400 --> 01:48:59,160 VERO CELLS. 2986 01:48:59,160 --> 01:49:02,800 AND I DON'T THINK THEY'RE A VERY 2987 01:49:02,800 --> 01:49:05,400 GOOD MODEL OF SARS-COV-2 2988 01:49:05,400 --> 01:49:06,320 INFECTION, AS YOU MAY HAVE 2989 01:49:06,320 --> 01:49:08,040 GATHERED. 2990 01:49:08,040 --> 01:49:09,000 BUT WHETHER OR NOT VERO CELLS 2991 01:49:09,000 --> 01:49:11,200 ARE APPROPRIATE FOR VIRUS X WILL 2992 01:49:11,200 --> 01:49:12,320 DEPEND ON THE RESULT THAT WE 2993 01:49:12,320 --> 01:49:14,360 ACHIEVE AND WHAT BIOMARKERS ARE 2994 01:49:14,360 --> 01:49:16,160 REQUIRED FOR VIRUS X. 2995 01:49:16,160 --> 01:49:17,640 BUT I THINK IN THE SAME WAY THAT 2996 01:49:17,640 --> 01:49:20,600 YOU WOULDN'T USE YOUR STANDARD 2997 01:49:20,600 --> 01:49:22,160 SCIENTIFIC TECHNIQUE TO APPLY TO 2998 01:49:22,160 --> 01:49:23,640 ANY VIRUS, YOU'D WANT TO MAKE 2999 01:49:23,640 --> 01:49:25,120 SURE THAT THE SCIENTIFIC 3000 01:49:25,120 --> 01:49:27,640 TECHNIQUES OR SERVICES YOU HAVE 3001 01:49:27,640 --> 01:49:29,480 ARE APPROPRIATE FOR USE. 3002 01:49:29,480 --> 01:49:30,560 AND THAT'S PART OF THE 3003 01:49:30,560 --> 01:49:31,120 VALIDATION OF THE MODEL. 3004 01:49:31,120 --> 01:49:34,280 AND IT MAY BE THAT WE NEED TO 3005 01:49:34,280 --> 01:49:36,120 VALIDATE A GENERIC MODEL FOR 3006 01:49:36,120 --> 01:49:37,560 SUITABILITY TO THE LIST OF 3007 01:49:37,560 --> 01:49:39,880 PRIORITY PATHOGENS THAT WAS 3008 01:49:39,880 --> 01:49:42,360 LISTED EARLIER ON BY EMILY. 3009 01:49:42,360 --> 01:49:45,120 AND IT MAY BE THAT FOR THE 3010 01:49:45,120 --> 01:49:47,840 PRIORITY PATHOGENS, MODEL X WILL 3011 01:49:47,840 --> 01:49:51,000 BE APPROPRIATE FOR THOSE BUT NOT 3012 01:49:51,000 --> 01:49:54,000 FOR MODEL -- NOT FOR VIRUS Y, 3013 01:49:54,000 --> 01:49:56,400 AND IT MAY BE THAT SPECIFIC 3014 01:49:56,400 --> 01:49:58,800 VIRUSES HAVE SPECIFIC BIOMARKER 3015 01:49:58,800 --> 01:49:59,880 REQUIREMENTS THAT HAVE TO BE 3016 01:49:59,880 --> 01:50:00,080 PRINT. 3017 01:50:00,080 --> 01:50:04,560 AND IT MAY BE THAT 3018 01:50:04,560 --> 01:50:04,800 PRESENT. 3019 01:50:04,800 --> 01:50:06,000 IT MAY BE THE FIRST TIME YOU TRY 3020 01:50:06,000 --> 01:50:07,440 IT WHEN YOU GROW IN THE CELLS 3021 01:50:07,440 --> 01:50:09,400 FOR A COUPLE OF WEEKS, MAYBE YOU 3022 01:50:09,400 --> 01:50:11,320 HAVEN'T GOT THE RIGHT BIOMARKERS 3023 01:50:11,320 --> 01:50:12,800 BUT MAYBE YOU'RE MISSING A VITAL 3024 01:50:12,800 --> 01:50:17,720 COMPONENT IN THE DIFFERENTIATION 3025 01:50:17,720 --> 01:50:19,680 MEDIA THAT SIMPLY NEEDS 3026 01:50:19,680 --> 01:50:20,360 MODIFICATION AND IT MAY BE 3027 01:50:20,360 --> 01:50:21,640 THROUGH A QUALITY MEASUREMENT 3028 01:50:21,640 --> 01:50:23,000 SYSTEM, THOSE FAILURES ARE 3029 01:50:23,000 --> 01:50:24,040 EXTREMELY IMPORTANT TO PUBLISH, 3030 01:50:24,040 --> 01:50:25,920 BECAUSE IT MAY BE THAT WE SAY, 3031 01:50:25,920 --> 01:50:28,000 WELL, WE NEED TO GO BACK AND SEE 3032 01:50:28,000 --> 01:50:29,840 WHY THAT'S FAIL AND SHARE THAT 3033 01:50:29,840 --> 01:50:31,400 LEARNING WITH THE COMMUNITY SO 3034 01:50:31,400 --> 01:50:36,640 THAT WE ALL KNOW THAT THE 3035 01:50:36,640 --> 01:50:38,400 BIOMARKER REQUIREMENT FOR THE 3036 01:50:38,400 --> 01:50:41,560 NOROVIRUS HAS TO BE INDUCED BY 3037 01:50:41,560 --> 01:50:42,680 THIS MEDIA -- WE CAN IMMEDIATELY 3038 01:50:42,680 --> 01:50:43,960 FIND THAT OUT OURSELVES AS A 3039 01:50:43,960 --> 01:50:44,880 COMMUNITY AND SHARE THAT. 3040 01:50:44,880 --> 01:50:48,800 >> FANTASTIC. 3041 01:50:48,800 --> 01:50:50,160 >> IT'S THROUGH FAILURE WE CAN 3042 01:50:50,160 --> 01:50:51,440 LEARN, SO FAILURE IS PART OF THE 3043 01:50:51,440 --> 01:50:53,200 NATURAL PROCESS OF IMPROVEMENT. 3044 01:50:53,200 --> 01:50:54,400 >> THANK YOU, SIMON. 3045 01:50:54,400 --> 01:51:00,400 WE WILL HAVE A TALK TOMORROW ON 3046 01:51:00,400 --> 01:51:03,600 NOROVIRUS SO WE MAY GET MORE 3047 01:51:03,600 --> 01:51:04,680 ANSWERS FROM FOLKS THAT ARE 3048 01:51:04,680 --> 01:51:06,000 INTERESTED TO LEARN MORE. 3049 01:51:06,000 --> 01:51:06,200 OKAY. 3050 01:51:06,200 --> 01:51:07,320 I'M GOING TO STOP HERE. 3051 01:51:07,320 --> 01:51:09,240 YOU DO HAVE MORE QUESTIONS, 3052 01:51:09,240 --> 01:51:09,440 SIMON. 3053 01:51:09,440 --> 01:51:13,880 SO FEEL FREE TO, AFTER WE -- 3054 01:51:13,880 --> 01:51:15,480 DURING THE LUNCH BREAK, IF YOU 3055 01:51:15,480 --> 01:51:17,280 CAN STAY A LITTLE LONGER AND 3056 01:51:17,280 --> 01:51:19,000 MAYBE ANSWER SOME OF THESE 3057 01:51:19,000 --> 01:51:21,960 QUESTIONS AND TYPE IN THE 3058 01:51:21,960 --> 01:51:22,400 ANSWERS. 3059 01:51:22,400 --> 01:51:23,720 ALSO I INVITE EVERYONE ON THE 3060 01:51:23,720 --> 01:51:26,240 PANEL IF THEY WOULD LIKE TO ADD 3061 01:51:26,240 --> 01:51:27,960 ANYTHING TO THE ANSWERS, FEEL 3062 01:51:27,960 --> 01:51:29,400 FREE TO TYPE IN YOUR ANSWERS AS 3063 01:51:29,400 --> 01:51:29,760 WELL. 3064 01:51:29,760 --> 01:51:31,520 AND THEN PLEASE, THE AUDIENCE, 3065 01:51:31,520 --> 01:51:32,240 KEEP ASKING QUESTIONS. 3066 01:51:32,240 --> 01:51:33,240 THIS IS GREAT. 3067 01:51:33,240 --> 01:51:34,560 WE'D LOVE TO GET YOUR QUESTIONS, 3068 01:51:34,560 --> 01:51:37,160 WE'D LIKE TO HAVE NICE 3069 01:51:37,160 --> 01:51:38,480 DISCUSSIONS DURING THIS MEETING. 3070 01:51:38,480 --> 01:51:39,600 OKAY. 3071 01:51:39,600 --> 01:51:41,240 SIMON, THANK YOU SO MUCH FOR 3072 01:51:41,240 --> 01:51:43,480 SUCH A WONDERFUL PRESENTATION, 3073 01:51:43,480 --> 01:51:45,280 SO ENGAGING, SO MANY QUESTIONS. 3074 01:51:45,280 --> 01:51:48,200 WE'RE REALLY HAPPY YOU WERE 3075 01:51:48,200 --> 01:51:50,400 HERE, AND WE APPRECIATE YOUR 3076 01:51:50,400 --> 01:51:51,400 TIME DURING THIS. 3077 01:51:51,400 --> 01:51:58,800 ALL RIGHT. 3078 01:51:58,800 --> 01:51:59,920 SO I'M GOING TO -- WE'RE GOING 3079 01:51:59,920 --> 01:52:02,200 TO GO FOR A LUNCH BREAK NOW, AND 3080 01:52:02,200 --> 01:52:08,000 WE ARE GOING TO RECONVENE AT 3081 01:52:08,000 --> 01:52:09,320 1:20 FOR SESSION 1 ON 3D TISSUE 3082 01:52:09,320 --> 01:52:11,200 MODELS, UTILITY AND LIMITATIONS. 3083 01:52:11,200 --> 01:52:14,880 HOPEFULLY YOU'RE ENJOYING TODAY 3084 01:52:14,880 --> 01:52:17,960 AND YOU ARE GOING TO ENJOY 3085 01:52:17,960 --> 01:52:18,400 SESSION 1. 3086 01:52:18,400 --> 01:52:20,600 SO HAVE A GREAT LUNCH BREAK, AND 3087 01:52:20,600 --> 01:52:23,520 LET'S RECONVENE AT 1:20. 3088 01:52:23,520 --> 01:52:25,320 I'M GOING TO PULL UP THE AGENDA 3089 01:52:25,320 --> 01:52:27,480 HERE SO PEOPLE ARE AWARE. 3090 01:52:27,480 --> 01:52:31,400 SO 1:20 P.M., SESSION 1 ON 3D 3091 01:52:31,400 --> 01:52:33,600 TISSUE MODELS: UTILITY AND 3092 01:52:33,600 --> 01:52:33,920 LIMITATIONS. 3093 01:52:33,920 --> 01:52:38,240 THANK YOU. 3094 01:52:38,240 --> 01:52:39,800 >>WELCOME BACK, EVERYONE. 3095 01:52:39,800 --> 01:52:41,320 NEXT WE ARE GOING TO HAVE 3096 01:52:41,320 --> 01:52:43,320 SESSION 1 WHICH IS ON 3D TISSUE 3097 01:52:43,320 --> 01:52:44,600 MODELS AND THEIR UTILITY AND 3098 01:52:44,600 --> 01:52:45,040 LIMITATIONS. 3099 01:52:45,040 --> 01:52:47,160 THIS SESSION IS CHAIRED BY 3100 01:52:47,160 --> 01:52:50,760 DR. MARK FERRER, CURRENTLY THE 3101 01:52:50,760 --> 01:52:52,920 DIRECTOR OF THE 3D TISSUE 3102 01:52:52,920 --> 01:52:53,920 BIOPRINTING LABORATORY AT THE 3103 01:52:53,920 --> 01:52:55,640 NATIONAL CENTER OF ADVANCING 3104 01:52:55,640 --> 01:52:57,000 TRANSLATIONAL SCIENCES AT NIH, 3105 01:52:57,000 --> 01:52:59,240 WHICH IS A MULTIDISCIPLINARY 3106 01:52:59,240 --> 01:53:00,920 GROUP ESTABLISHED IN 2018 WITH 3107 01:53:00,920 --> 01:53:03,320 THE GOAL OF CREATING, VALIDATING 3108 01:53:03,320 --> 01:53:06,080 AND USING 3D BIOENGINEERED 3109 01:53:06,080 --> 01:53:08,040 TISSUES FOR DISEASE MODELING AND 3110 01:53:08,040 --> 01:53:10,760 PREDICTIVE DRUG DISCOVERY AND 3111 01:53:10,760 --> 01:53:11,080 DEVELOPMENT. 3112 01:53:11,080 --> 01:53:12,400 THANK YOU FOR BEING HERE, MARK, 3113 01:53:12,400 --> 01:53:14,640 AND I'LL PASS THE BATON TO YOU. 3114 01:53:14,640 --> 01:53:18,200 >> THANKS SO MUCH, IS A SARI. 3115 01:53:18,200 --> 01:53:20,160 WELCOME, EVERYONE, BACK TO 3116 01:53:20,160 --> 01:53:20,560 SESSION 1. 3117 01:53:20,560 --> 01:53:23,120 I WANT TO THANK THE SPEAKERS FOR 3118 01:53:23,120 --> 01:53:24,840 MAKING THE TIME TO TELL US ABOUT 3119 01:53:24,840 --> 01:53:28,440 THEIR RESEARCH, ESPECIALLY 3120 01:53:28,440 --> 01:53:29,680 CHRISTINE AND HANS FROM EUROPE, 3121 01:53:29,680 --> 01:53:33,400 WE KNOW IT'S LATE OVER THERE. 3122 01:53:33,400 --> 01:53:35,440 AS SARINE MENTIONED AT THE 3123 01:53:35,440 --> 01:53:36,560 BEGINNING, THE OBJECTIVE OF THIS 3124 01:53:36,560 --> 01:53:38,440 SESSION WAS TO REALLY GIVE AN 3125 01:53:38,440 --> 01:53:39,520 OVERVIEW NOT SPECIFICALLY FOR 3126 01:53:39,520 --> 01:53:41,840 VIRUSES BUT IN GENERAL OF WHAT 3127 01:53:41,840 --> 01:53:45,440 TISSUE MODELS ARE AVAILABLE AND 3128 01:53:45,440 --> 01:53:46,320 DISCUSS THE CHALLENGES IN 3129 01:53:46,320 --> 01:53:50,680 BUILDING THESE MODELS AS WELL AS 3130 01:53:50,680 --> 01:53:54,160 IMPLEMENTING THEIR USE FOR DRUG 3131 01:53:54,160 --> 01:53:57,120 SCREENING AND DEVELOPMENT AND 3132 01:53:57,120 --> 01:53:58,560 REALLY THE GOOD AND THE BAD. 3133 01:53:58,560 --> 01:54:02,280 SO HOPEFULLY WE'LL HAVE TIME TO 3134 01:54:02,280 --> 01:54:06,600 GO THROUGH THE TALKS, REMINDER 3135 01:54:06,600 --> 01:54:08,040 BECAUSE IT'S 20 MINUTES, SO WHAT 3136 01:54:08,040 --> 01:54:09,840 I'LL DO IS I'M GOING TO TURN MY 3137 01:54:09,840 --> 01:54:13,080 CAMERA OFF AND THEN TWO MINUTES 3138 01:54:13,080 --> 01:54:14,840 BEFORE THE 20 MINUTES, I'LL TURN 3139 01:54:14,840 --> 01:54:18,120 IT ON SO THAT WILL BE THE SIGN 3140 01:54:18,120 --> 01:54:19,440 THAT THE -- THE SIGNAL THAT YOU 3141 01:54:19,440 --> 01:54:20,880 HAVE 2 MINUTES LEFT. 3142 01:54:20,880 --> 01:54:23,840 AND THEN AGAIN, AS SARINE 3143 01:54:23,840 --> 01:54:25,040 MENTIONED, WE'RE GOING TO GO 3144 01:54:25,040 --> 01:54:27,400 FROM ONE SPEAKER TO THE OTHER 3145 01:54:27,400 --> 01:54:28,440 AND THEM WE'RE GOING TO HAVE 3146 01:54:28,440 --> 01:54:32,680 HALF AN HOUR AT THE END FOR 3147 01:54:32,680 --> 01:54:34,200 QUESTIONS AND DISCUSSIONS. 3148 01:54:34,200 --> 01:54:35,760 IF YOU HAVE ANY QUESTIONS ALONG 3149 01:54:35,760 --> 01:54:39,640 THE WAY, YOU CAN PUT THEM IN 3150 01:54:39,640 --> 01:54:43,280 QUESTIONS AND ANSWERS BOX, AND 3151 01:54:43,280 --> 01:54:44,600 THE SPEAKERS ARE WELCOME TO 3152 01:54:44,600 --> 01:54:48,960 PROVIDE ANSWERS IN WRITING OR WE 3153 01:54:48,960 --> 01:54:50,920 CAN ADDRESS THEM AT THE END AS 3154 01:54:50,920 --> 01:54:51,160 WELL. 3155 01:54:51,160 --> 01:54:53,920 SO WITHOUT FURTHER ADO, IT IS MY 3156 01:54:53,920 --> 01:54:55,840 PLEASURE TO INTRODUCE THE FIRST 3157 01:54:55,840 --> 01:54:58,720 SPEAKER OF THIS SESSION, 3158 01:54:58,720 --> 01:55:00,760 DR. CHRISTINE MUMMERY, PROFESSOR 3159 01:55:00,760 --> 01:55:02,640 OF DEVELOPMENTAL BIOLOGY IN THE 3160 01:55:02,640 --> 01:55:07,400 DEPARTMENT OF ANATOMY AT LEIDEN 3161 01:55:07,400 --> 01:55:08,800 UNIVERSITY MEDICAL CENTER, WHERE 3162 01:55:08,800 --> 01:55:13,480 SHE ALSO HEADS THE FACILITY. 3163 01:55:13,480 --> 01:55:16,440 SHE'S A MEMBER OF THE ROYAL 3164 01:55:16,440 --> 01:55:19,160 ACADEMY OF SCIENCE AND PAST 3165 01:55:19,160 --> 01:55:20,680 PRESIDENT OF SOCIETY OF STEM 3166 01:55:20,680 --> 01:55:21,360 CELL RESEARCH. 3167 01:55:21,360 --> 01:55:24,960 SHE'S GOING TO TELL US ABOUT HER 3168 01:55:24,960 --> 01:55:26,360 RESEARCH IN CARDIOVASCULAR 3169 01:55:26,360 --> 01:55:26,920 DISEASES. 3170 01:55:26,920 --> 01:55:31,120 CHRISTINE, THE FLOOR IS YOURS. 3171 01:55:31,120 --> 01:55:37,560 >> THANK YOU. 3172 01:55:37,560 --> 01:55:39,080 CAN YOU SEE MY SCREEN? 3173 01:55:39,080 --> 01:55:40,720 >> YEAH, YOU HAVE TO MAKE IT 3174 01:55:40,720 --> 01:55:41,600 PRESENTATION MODE BUT OTHERWISE 3175 01:55:41,600 --> 01:55:47,840 WE SEE IT. 3176 01:55:47,840 --> 01:55:48,120 >> PERFECT. 3177 01:55:48,120 --> 01:55:52,520 >> OKAY, THANK YOU. 3178 01:55:52,520 --> 01:55:54,480 SO I WAS ASKED TO TALK ABOUT 3179 01:55:54,480 --> 01:55:55,680 CARDIOVASCULAR DISEASE MODEL, 3180 01:55:55,680 --> 01:55:57,560 AND TOWARDS STANDARDIZATION OF 3181 01:55:57,560 --> 01:55:59,200 HOW WE MIGHT USE THEM. 3182 01:55:59,200 --> 01:56:03,120 AND IN THE CONTEXT OF VIRUS, 3183 01:56:03,120 --> 01:56:05,760 IT'S QUITE IMPORTANT TO DISCUSS 3184 01:56:05,760 --> 01:56:06,600 THE LIMITATIONS. 3185 01:56:06,600 --> 01:56:09,920 SO I'M GOING TO DISCUSS THAT A 3186 01:56:09,920 --> 01:56:11,000 LITTLE BIT, AND HERE IS A SORT 3187 01:56:11,000 --> 01:56:13,960 OF OVERVIEW OF WHAT WE CAN DO 3188 01:56:13,960 --> 01:56:15,040 WITH PLURIPOTENT STEM CELLS. 3189 01:56:15,040 --> 01:56:17,240 SO WE CAN MAKE THEM FORM ALL 3190 01:56:17,240 --> 01:56:18,320 DERIVATIVES OF THE BODY, AND IN 3191 01:56:18,320 --> 01:56:20,240 MANY CASES, WE CAN DO THAT NOW 3192 01:56:20,240 --> 01:56:26,520 IN VITRO VERY SUCCESSFULLY, BUT 3193 01:56:26,520 --> 01:56:28,080 WE ALL KNOW THE LIMITATIONS OF 3194 01:56:28,080 --> 01:56:29,280 THIS MODEL ARE THAT THE CELLS 3195 01:56:29,280 --> 01:56:30,800 ARE ALL IMMATURE. 3196 01:56:30,800 --> 01:56:32,240 AND THIS IN THE CONTEXT OF, 3197 01:56:32,240 --> 01:56:35,160 LET'S SAY, COVID RESEARCH HAS 3198 01:56:35,160 --> 01:56:37,240 NOT BEEN PARTICULARLY BENEFICIAL 3199 01:56:37,240 --> 01:56:38,920 BECAUSE IF I WOULD TAKE THE 3200 01:56:38,920 --> 01:56:40,960 HEART AS AN EXAMPLE, 3201 01:56:40,960 --> 01:56:43,000 CARDIOMYOCYTES FROM IPS CELLS, 3202 01:56:43,000 --> 01:56:45,600 FOR EXAMPLE, EXPRESS ACE 3203 01:56:45,600 --> 01:56:46,800 2 RECEPTORS, BUT THEY'RE NOT 3204 01:56:46,800 --> 01:56:50,120 REALLY EXPRESSED VERY HIGHLY IN 3205 01:56:50,120 --> 01:56:50,720 THE ADULT HEART. 3206 01:56:50,720 --> 01:56:52,680 SO WE HAVE TO BE VERY CAREFUL IN 3207 01:56:52,680 --> 01:56:55,520 INTERPRETING SOME OF THIS DATA. 3208 01:56:55,520 --> 01:56:56,520 SO LET ME TELL YOU SOMETHING 3209 01:56:56,520 --> 01:56:58,080 ABOUT HOW WE'VE BEEN OVERCOMING 3210 01:56:58,080 --> 01:57:01,440 THIS LIMITATION AND ARE TRYING 3211 01:57:01,440 --> 01:57:03,320 TO MAKE MATURE CARDIOMYOCYTES 3212 01:57:03,320 --> 01:57:06,120 THAT WE CAN MOVE FORWARD IN 3213 01:57:06,120 --> 01:57:07,240 MODELING DISEASE, AND I'LL GIVE 3214 01:57:07,240 --> 01:57:12,800 YOU SOME EXAMPLES. 3215 01:57:12,800 --> 01:57:14,560 SO WHAT DO I MEAN ABOUT IMMATURE 3216 01:57:14,560 --> 01:57:15,000 CELLS? 3217 01:57:15,000 --> 01:57:20,120 THIS IS BEATING CELLS -- THE 3218 01:57:20,120 --> 01:57:22,000 BEATING MEANS THEY ARE IMMATURE 3219 01:57:22,000 --> 01:57:23,400 BECAUSE AN ADULT HEART CELL 3220 01:57:23,400 --> 01:57:25,440 WOULD NOT BEAT BY ITSELF, IT 3221 01:57:25,440 --> 01:57:26,680 WOULD NEED A PACEMAKER. 3222 01:57:26,680 --> 01:57:28,200 HERE ARE NO PACEMAKERS SO WE 3223 01:57:28,200 --> 01:57:29,000 KNOW IT'S IMMATURE. 3224 01:57:29,000 --> 01:57:30,840 IT LACKS A 3D ENVIRONMENT, AND 3225 01:57:30,840 --> 01:57:33,440 IT LACKS OTHER CARDIAC-SPECIFIC 3226 01:57:33,440 --> 01:57:33,720 CELL TYPES. 3227 01:57:33,720 --> 01:57:37,280 SO WE ASKED THE QUESTION, WOULD 3228 01:57:37,280 --> 01:57:38,640 IT BE POSSIBLE TO ADD THESE 3229 01:57:38,640 --> 01:57:40,720 CELLS IN IN A 3D ENVIRONMENT AND 3230 01:57:40,720 --> 01:57:41,760 CREATE SOMETHING THAT LOOKED 3231 01:57:41,760 --> 01:57:43,320 MORE LIKE HEART TISSUE. 3232 01:57:43,320 --> 01:57:46,720 AND JUST TO BRIEFLY SHOW YOU THE 3233 01:57:46,720 --> 01:57:48,120 HEART, THIS IS THE MYOCARDIUM 3234 01:57:48,120 --> 01:57:49,760 HERE, LINED WITH AN ENDO CARD 3235 01:57:49,760 --> 01:57:50,560 YUM. 3236 01:57:50,560 --> 01:57:52,080 THERE'S AN OUTER LAYER OF EP 3237 01:57:52,080 --> 01:58:00,480 CARD YUM THAT EP -- 3238 01:58:00,480 --> 01:58:01,760 FORM ABOUT 70% OF THE CELLS IN 3239 01:58:01,760 --> 01:58:03,640 THE HEART. 3240 01:58:03,640 --> 01:58:04,880 EVERY CARDIOMYOCYTE TOUCHES A 3241 01:58:04,880 --> 01:58:07,160 BLOOD VESSEL SO IT TOUCHES AN 3242 01:58:07,160 --> 01:58:07,600 ENDOTHELIAL CELL. 3243 01:58:07,600 --> 01:58:09,560 SO WE THOUGHT WE MIGHT MAKE A 3244 01:58:09,560 --> 01:58:11,440 MODEL IN WHICH WE INCLUDED THE 3245 01:58:11,440 --> 01:58:13,400 ENDOTHELIAL CELLS, CARDIAC 3246 01:58:13,400 --> 01:58:14,360 FIBROBLASTS, SO REMEMBER EVERY 3247 01:58:14,360 --> 01:58:16,560 TISSUE HAS ITS OWN TYPE OF 3248 01:58:16,560 --> 01:58:18,560 STROMA CELLS, IT'S OWN TYPE OF 3249 01:58:18,560 --> 01:58:21,720 END THEEL YELL CELLS, ITS OWN 3250 01:58:21,720 --> 01:58:23,160 TYPE OF FIBROBLASTS THAT WE 3251 01:58:23,160 --> 01:58:26,200 WOULD DERIVE FROM EPICARDIAL 3252 01:58:26,200 --> 01:58:27,720 CELLS AND THE CARDIOMYOCYTES. 3253 01:58:27,720 --> 01:58:28,800 THE FIRST THING WE NEEDED TO DO 3254 01:58:28,800 --> 01:58:30,600 WAS TO ACTUALLY GET THE 3255 01:58:30,600 --> 01:58:32,560 DIFFERENTIATION PROTOCOLS VERY 3256 01:58:32,560 --> 01:58:34,720 ROBUST, SO WE WANTED TO USE ONE 3257 01:58:34,720 --> 01:58:38,120 BASAL MEDIUM TO DERIVE THESE 3258 01:58:38,120 --> 01:58:40,560 CELL TYPES AND WHERE POSSIBLE 3259 01:58:40,560 --> 01:58:42,000 MOVE AWAY FROM GROWTH FACTORS. 3260 01:58:42,000 --> 01:58:43,760 THIS WOULD REDUCE LOT TO LOT 3261 01:58:43,760 --> 01:58:45,160 VARIABILITY, WOULD ENABLE 3262 01:58:45,160 --> 01:58:49,000 UPSCALING AND REDUCE COSTS. 3263 01:58:49,000 --> 01:58:49,880 ESSENTIALLY THAT'S WHAT WE'VE 3264 01:58:49,880 --> 01:58:50,960 WORKED ON FOR THE LAST SEVERAL 3265 01:58:50,960 --> 01:58:52,480 YEARS, WE HAVE MANY OF THESE 3266 01:58:52,480 --> 01:58:53,720 PROTOCOLS HIGHLY DEFINED, SOME 3267 01:58:53,720 --> 01:58:57,000 BASED ON SMALL MOLECULES. 3268 01:58:57,000 --> 01:59:00,280 WE CAN NOW DERIVE ENDOTHELIAL 3269 01:59:00,280 --> 01:59:02,600 CELLS, CARDIOMYOCYTES AND 3270 01:59:02,600 --> 01:59:03,600 CARDIOFIBROBLASTS FROM A COMMON 3271 01:59:03,600 --> 01:59:05,080 PROGENITOR THAT WE GET FROM IPS 3272 01:59:05,080 --> 01:59:05,440 CELLS. 3273 01:59:05,440 --> 01:59:07,520 WE CAN NOW CRYOPRESERVE THESE IN 3274 01:59:07,520 --> 01:59:08,240 LARGE BATCHES. 3275 01:59:08,240 --> 01:59:10,440 WE CAN CARRY OUT QA AND QC 3276 01:59:10,440 --> 01:59:12,520 BEFORE FREEZING, AND THESE ARE 3277 01:59:12,520 --> 01:59:15,160 READY TO USE IN ASSAYS AFTER 3278 01:59:15,160 --> 01:59:19,200 THAW, SO THIS MAKES IT A GREAT 3279 01:59:19,200 --> 01:59:23,920 ADVANTAGE FOR DOING ASSAYS. 3280 01:59:23,920 --> 01:59:25,240 SO WHAT DO WE MEAN BY 3281 01:59:25,240 --> 01:59:25,680 MATURATION? 3282 01:59:25,680 --> 01:59:28,200 HOW WOULD WE RECOGNIZE IF IT 3283 01:59:28,200 --> 01:59:30,280 OCCURRED IN OUR CARDIOMYOCYTES? 3284 01:59:30,280 --> 01:59:31,720 IT'S VERY SIMPLE, WE WOULD LOOK 3285 01:59:31,720 --> 01:59:34,600 AT GENE EXPRESSION, LOOKING AT 3286 01:59:34,600 --> 01:59:39,680 WHETHER SUPPLIES 3287 01:59:39,680 --> 01:59:42,320 WHETHER SPLICE, STRUCTURE, 3288 01:59:42,320 --> 01:59:43,200 CONTRACTION, ELECTROPHYSIOLOGY 3289 01:59:43,200 --> 01:59:46,560 AND METABOLISM, THEY WILL ALL 3290 01:59:46,560 --> 01:59:48,520 DIFFER FROM WHAT WE WOULD SEE IN 3291 01:59:48,520 --> 01:59:50,160 A PLURIPOTENT STEM CELL. 3292 01:59:50,160 --> 01:59:52,360 THESE ARE CARRIED OUT TO TRY TO 3293 01:59:52,360 --> 01:59:54,400 MATURE CARDIOMYOCYTES, ENGINEER 3294 01:59:54,400 --> 01:59:57,040 HEART TISSUES, 3D STRETCHING 3295 01:59:57,040 --> 01:59:59,920 SORT OF STRUCTURES, CHANGING THE 3296 01:59:59,920 --> 02:00:01,360 CULTURE REAGENTS, USING ECK PO 3297 02:00:01,360 --> 02:00:02,560 TICK GENE EXPRESSION, USING 3298 02:00:02,560 --> 02:00:05,040 SOMETHING CALLED A BIOWIRE, 3D 3299 02:00:05,040 --> 02:00:06,800 PRINTING, ALIGNING THE CELLS. 3300 02:00:06,800 --> 02:00:11,520 THEY ALL WORK TO A CERTAIN 3301 02:00:11,520 --> 02:00:12,840 EXPECT BUT WE WANTED A VERY 3302 02:00:12,840 --> 02:00:14,040 SIMPLE LOW TECH METHOD. 3303 02:00:14,040 --> 02:00:15,640 SO WE DECIDED TO MAKE SIMPLE 3304 02:00:15,640 --> 02:00:19,080 MICRO TISSUES. 3305 02:00:19,080 --> 02:00:21,360 SO WE'RE USING THESE 3306 02:00:21,360 --> 02:00:22,320 PREDIFFERENTIATED CELLS, WE CAN 3307 02:00:22,320 --> 02:00:28,120 DO THESE ASSAYS ISOGENICLY. 3308 02:00:28,120 --> 02:00:29,960 WE PUT THEM TOGETHER AS 5,000 3309 02:00:29,960 --> 02:00:33,600 CELLS IN THESE RATIOS, SO 70% 3310 02:00:33,600 --> 02:00:34,560 CARDIOMYOCYTES, 15% OF EACH OF 3311 02:00:34,560 --> 02:00:36,560 THE OTHER CELLS, AND PUT THEM IN 3312 02:00:36,560 --> 02:00:38,080 MULTI-WELL PLATES AND WE GET 3313 02:00:38,080 --> 02:00:44,440 THESE BEATING HEART CELLS. 3314 02:00:44,440 --> 02:00:45,840 THESE MINI HEARTS, YOU COULD 3315 02:00:45,840 --> 02:00:49,240 SAY, IN A METAPHOR. 3316 02:00:49,240 --> 02:00:50,320 IT'S VERY LOW TECH. 3317 02:00:50,320 --> 02:00:52,520 SO WITHOUT SHOWING YOU ALL THE 3318 02:00:52,520 --> 02:00:53,960 DATA, THIS IS WHAT OUR MICRO 3319 02:00:53,960 --> 02:00:54,480 TISSUES LOOK LIKE. 3320 02:00:54,480 --> 02:00:58,440 WE SEE THE CARDIOFIBROBLASTS, 3321 02:00:58,440 --> 02:00:59,760 THE ENDOTHELIAL CELLS ARE LINED 3322 02:00:59,760 --> 02:01:03,560 UP IN THESE TWO STRUCTURES. 3323 02:01:03,560 --> 02:01:06,320 WE CAN COUPLE THEM INTO ORGAN ON 3324 02:01:06,320 --> 02:01:08,720 CHIP MODELS AND CREATE A LUMEN 3325 02:01:08,720 --> 02:01:11,240 THAT'S FULLY VASCULARIZED AND 3326 02:01:11,240 --> 02:01:13,640 THE CARDIOMYOCYTES ARE MARKED 3327 02:01:13,640 --> 02:01:14,280 HERE IN GREEN. 3328 02:01:14,280 --> 02:01:16,720 WE SHOW THESE HAVE STRUCTURAL 3329 02:01:16,720 --> 02:01:17,680 MATURITY, ELECTRICAL AND 3330 02:01:17,680 --> 02:01:19,320 MECHANICAL MATURITY AND 3331 02:01:19,320 --> 02:01:20,760 METABOLIC MATURITY. 3332 02:01:20,760 --> 02:01:23,240 THE FEATURES ACTUALLY OF AN 3333 02:01:23,240 --> 02:01:24,840 EARLY POSTNATAL CARDIOMYOCYTE, 3334 02:01:24,840 --> 02:01:28,280 SO THEY'RE NOT FULLY ADULTS AND 3335 02:01:28,280 --> 02:01:31,720 CERTAINLY NOT OLD, WITH YOU E 3336 02:01:31,720 --> 02:01:32,360 POSTNATAL. 3337 02:01:32,360 --> 02:01:34,960 USING JUST 5,000 5,000 CELLSR 3338 02:01:34,960 --> 02:01:37,680 TISSUE, WE CAN REDUCE THE COST 3339 02:01:37,680 --> 02:01:42,080 TO 3340 02:01:42,080 --> 02:01:43,400 IN THE RANGE OF WHAT PHARMA 3341 02:01:43,400 --> 02:01:45,160 WOULD LIKE TO HAVE FOR DRUG 3342 02:01:45,160 --> 02:01:45,480 ASSAYS. 3343 02:01:45,480 --> 02:01:47,760 AND WE CAN DO MULTI-LINEAGE 3344 02:01:47,760 --> 02:01:50,480 CARDIAC DISEASE MODELING. 3345 02:01:50,480 --> 02:01:52,480 WHAT I MEAN BY THAT IS WE CAN 3346 02:01:52,480 --> 02:01:53,960 REPLACE ANY ONE OF THOSE THREE 3347 02:01:53,960 --> 02:01:58,680 CELL TYPES, THE GUY WROA G, 3348 02:01:58,680 --> 02:02:01,440 ENDOTHELIAL CELLS OR RM -- FROM 3349 02:02:01,440 --> 02:02:02,520 CONTAINING A MUTATION. 3350 02:02:02,520 --> 02:02:04,520 SO IT ALLOWS US TO IDENTIFY 3351 02:02:04,520 --> 02:02:05,800 WHICH CELL IS CONTRIBUTING TO A 3352 02:02:05,800 --> 02:02:06,120 PHENOTYPE. 3353 02:02:06,120 --> 02:02:08,000 I'LL GIVE YOU ONE QUICK EXAMPLE 3354 02:02:08,000 --> 02:02:11,960 HERE OF THESE TRI--LINEAGE 3355 02:02:11,960 --> 02:02:12,560 MODELS. 3356 02:02:12,560 --> 02:02:14,760 IT'S AN EXAMPLE OF A DISEASE 3357 02:02:14,760 --> 02:02:20,040 CALLED ARRHYTHMOGENIC 3358 02:02:20,040 --> 02:02:20,400 CARDIOMYOPATHY. 3359 02:02:20,400 --> 02:02:24,840 IT'S CAUSED BY MUTATIONS OF THE 3360 02:02:24,840 --> 02:02:26,480 DESMOSOMAL PROTEIN PKP26789. 3361 02:02:26,480 --> 02:02:28,040 IT'S CHARACTERIZED BY 3362 02:02:28,040 --> 02:02:29,640 ARRHYTHMIAS AND FIBRO-FATTY 3363 02:02:29,640 --> 02:02:30,360 REPLACEMENT OF THE MIGHT OWE 3364 02:02:30,360 --> 02:02:31,400 CARD YUM. 3365 02:02:31,400 --> 02:02:34,480 THE CELL OF ORIGIN IS UNKNOWN, 3366 02:02:34,480 --> 02:02:36,080 POSTULATED THAT CARDIAC 3367 02:02:36,080 --> 02:02:37,080 FIBROBLASTS MAY ALSO PLAY A 3368 02:02:37,080 --> 02:02:37,480 ROLE. 3369 02:02:37,480 --> 02:02:39,720 SO WHAT WE DID WAS TO REPLACE 3370 02:02:39,720 --> 02:02:41,440 THE CARDIAC FIBROBLASTS IN THE 3371 02:02:41,440 --> 02:02:43,640 MICRO TISSUES WITH THESE ACM 3372 02:02:43,640 --> 02:02:46,920 MUTANT CARDIAC FIBROBLASTS 3373 02:02:46,920 --> 02:02:47,440 ISOGENICLY. 3374 02:02:47,440 --> 02:02:48,760 SO TO CUT A LONG STORY SHORT, 3375 02:02:48,760 --> 02:02:50,520 THIS IS AN EXAMPLE OF WHAT THESE 3376 02:02:50,520 --> 02:02:53,240 MICRO TISSUES LOOK LIKE AND 3377 02:02:53,240 --> 02:02:56,760 WHAT'S SHOWN HERE IS THE 3378 02:02:56,760 --> 02:02:58,040 STAINING FOR THE JUNCTIONS. 3379 02:02:58,040 --> 02:02:59,840 YOU CAN SEE THE CONTROL HERE ON 3380 02:02:59,840 --> 02:03:04,520 THE LEFT, THERE'S A GREAT DEAL 3381 02:03:04,520 --> 02:03:08,320 OF FORMATION, AND YOU SEE IN THE 3382 02:03:08,320 --> 02:03:11,280 MUTANT CELLS THE CARDIAC 3383 02:03:11,280 --> 02:03:13,000 FIBROBLASTS FORM FEWER GAP 3384 02:03:13,000 --> 02:03:15,400 JUNCTIONS AND THIS IS CAUSED BY 3385 02:03:15,400 --> 02:03:17,720 THE ABSENCE OF PKP2. 3386 02:03:17,720 --> 02:03:19,080 BUT MOST IMPORTANTLY, WHEN WE 3387 02:03:19,080 --> 02:03:21,040 START PACING THESE CELLS, SO 3388 02:03:21,040 --> 02:03:23,760 YOUR HEART NORMALLY BEATS AT 3389 02:03:23,760 --> 02:03:24,760 1 HERTZ 60 TIMES A MINUTE, YOU 3390 02:03:24,760 --> 02:03:26,720 CAN SEE THE CONTROL MICRO 3391 02:03:26,720 --> 02:03:27,920 TISSUES HERE FOLLOWING THIS 3392 02:03:27,920 --> 02:03:29,360 PACING VERY NICELY. 3393 02:03:29,360 --> 02:03:31,320 IT'S NOT TOO BAD FOR THE ONES 3394 02:03:31,320 --> 02:03:32,720 CONTAINING THE MUTANT 3395 02:03:32,720 --> 02:03:34,480 FIBROBLASTS BUT IF WE GO TO 3396 02:03:34,480 --> 02:03:35,520 2 HERTZ, YOU SEE THEY'RE HAVING 3397 02:03:35,520 --> 02:03:37,000 DIFFICULTY FOLLOWING THE PACING 3398 02:03:37,000 --> 02:03:37,320 SIGNALS. 3399 02:03:37,320 --> 02:03:39,400 AND WHEN WE GO TO 3 HERTZ, WHICH 3400 02:03:39,400 --> 02:03:42,800 IS ABOUT WHEN YOU MIGHT BE 3401 02:03:42,800 --> 02:03:44,000 RUNNING A MARATHON OR SOMETHING, 3402 02:03:44,000 --> 02:03:47,920 YOU CAN SEE HERE THESE VERY 3403 02:03:47,920 --> 02:03:48,920 PROMINENT ARRHYTHMIAS. 3404 02:03:48,920 --> 02:03:50,440 SO THIS IS TELLING US THAT 3405 02:03:50,440 --> 02:03:52,320 ACTUALLY THE CARDIAC FIBROBLASTS 3406 02:03:52,320 --> 02:03:54,960 ARE ONE OF THE CULPRITS IN THIS 3407 02:03:54,960 --> 02:03:56,480 DISEASE, SO THE CARDIOMYOCYTES 3408 02:03:56,480 --> 02:03:58,200 ARE NORMAL, YET WE'RE GETTING 3409 02:03:58,200 --> 02:03:59,560 THESE ARRHYTHMIAS. 3410 02:03:59,560 --> 02:04:02,440 ANOTHER QUICK EXAMPLE. 3411 02:04:02,440 --> 02:04:13,280 MANY OF YOU KNOW THAT KNOWT 3412 02:04:17,640 --> 02:04:19,000 DOXORUBICIN IS USED FOR AS YOE 3413 02:04:19,000 --> 02:04:20,520 CAR SOMA IN CHILDREN AND BREAST 3414 02:04:20,520 --> 02:04:21,200 CANCER. 3415 02:04:21,200 --> 02:04:23,360 THE PROBLEM IS MANY PATIENTS 3416 02:04:23,360 --> 02:04:26,000 DEVELOP IRREVERSIBLE HEART 3417 02:04:26,000 --> 02:04:26,640 FAILURE 2 TO 10 YEARS AFTER 3418 02:04:26,640 --> 02:04:27,560 TREATMENT AND THE ONLY THING 3419 02:04:27,560 --> 02:04:28,640 THAT CAN BE DONE FOR THESE 3420 02:04:28,640 --> 02:04:30,720 PATIENTS IS HEART REPLACEMENT. 3421 02:04:30,720 --> 02:04:33,440 SO WHAT WE CAN SEE HERE ON THE 3422 02:04:33,440 --> 02:04:37,040 TOP IS VECTORROLOGY SHOWING THE 3423 02:04:37,040 --> 02:04:38,560 CONTRACTION OF A SINGLE MICRO 3424 02:04:38,560 --> 02:04:40,240 TISSUE HERE, YOU CAN SEE IN THE 3425 02:04:40,240 --> 02:04:41,840 GRAPH ON THE RIGHT, THE 3426 02:04:41,840 --> 02:04:44,240 CONTRACTION FOLLOWED BY THE 3427 02:04:44,240 --> 02:04:45,600 RELAXATION, QUANTIFIED IN THIS 3428 02:04:45,600 --> 02:04:47,000 PLOT HERE. 3429 02:04:47,000 --> 02:04:47,760 AND AT THE BOTTOM. 3430 02:04:47,760 --> 02:04:50,680 YOU CAN SEE WHAT DOXORUBICIN 3431 02:04:50,680 --> 02:04:50,880 DOES. 3432 02:04:50,880 --> 02:04:52,640 IT REDUCES THE AMOUNT OF 3433 02:04:52,640 --> 02:04:55,640 CONTRACTION SIG SIGNIFICANTLY. 3434 02:04:55,640 --> 02:04:59,480 NOW A COLLEAGUE OF MINE IN 3435 02:04:59,480 --> 02:05:01,360 LEIDEN IS A BRILLIANT MEDICINAL 3436 02:05:01,360 --> 02:05:03,520 CHEMIST AND HE FIGURED OUT THAT 3437 02:05:03,520 --> 02:05:05,600 DOXORUBICIN ACTUALLY HAD TWO 3438 02:05:05,600 --> 02:05:06,200 PARTICULAR BIOLOGICAL EFFECTS. 3439 02:05:06,200 --> 02:05:09,560 IT CAN CAUSE DNA DAMAGE, AND IT 3440 02:05:09,560 --> 02:05:11,040 CAUSES HISTONE EVICTION. 3441 02:05:11,040 --> 02:05:12,920 AND IT'S THE DNA DAMAGE THAT 3442 02:05:12,920 --> 02:05:15,120 ACTUALLY CAUSES THE DAMAGE TO 3443 02:05:15,120 --> 02:05:17,200 THE HEART AND THE HISTONE 3444 02:05:17,200 --> 02:05:19,400 EVICTION IS THE ACTIVITY 3445 02:05:19,400 --> 02:05:20,480 RESPONSIBLE FOR KILLING THE 3446 02:05:20,480 --> 02:05:21,880 TUMOR. 3447 02:05:21,880 --> 02:05:24,880 SO HE DESIGNED VARIANTS OF 3448 02:05:24,880 --> 02:05:26,520 DOXORUBICIN WHICH ONLY HAVE THE 3449 02:05:26,520 --> 02:05:29,440 HISTONE EVICTION PART AND NOT 3450 02:05:29,440 --> 02:05:30,200 THE DNA DAMAGE. 3451 02:05:30,200 --> 02:05:31,840 AND THIS KILLED THE TUMORS, AND 3452 02:05:31,840 --> 02:05:35,560 WHAT WE SAW VERY NICELY IN THIS 3453 02:05:35,560 --> 02:05:37,000 MODEL OF THE MICRO TISSUES, HERE 3454 02:05:37,000 --> 02:05:38,520 YOU CAN SEE THE AMPLITUDE OF 3455 02:05:38,520 --> 02:05:39,600 CONTRACTION OF THE CONTROLS, 3456 02:05:39,600 --> 02:05:42,360 HERE YOU SEE WITH DOXORUBICIN, 3457 02:05:42,360 --> 02:05:50,560 BUT WHEN WE ADD THIS VARIANT, 3458 02:05:50,560 --> 02:05:55,160 ACLARUBICIN, THERE'S NO EFFECT 3459 02:05:55,160 --> 02:05:56,240 ON THE CONTRACTION. 3460 02:05:56,240 --> 02:05:57,760 WE'RE DISCUSSING WITH THE 3461 02:05:57,760 --> 02:05:59,320 AUTHORITIES IF THEY WOULD FIND 3462 02:05:59,320 --> 02:06:00,200 THIS ACCEPTABLE AS AN OPTION 3463 02:06:00,200 --> 02:06:01,600 INSTEAD OF A SECOND ANIMAL MODEL 3464 02:06:01,600 --> 02:06:02,360 TO THE MASS. 3465 02:06:02,360 --> 02:06:03,680 THEY DON'T ACTUALLY FIND IT 3466 02:06:03,680 --> 02:06:04,760 ACCEPTABLE, BUT THEY FOUND IT 3467 02:06:04,760 --> 02:06:11,560 VERY INTERESTING TO LOOK AT. 3468 02:06:11,560 --> 02:06:12,640 A THIRD EXAMPLE IS HOW WE CAN 3469 02:06:12,640 --> 02:06:14,200 NOW USE THIS FOR HIGH-THROUGHPUT 3470 02:06:14,200 --> 02:06:14,440 SCREENING. 3471 02:06:14,440 --> 02:06:15,920 AS I SAID, THESE TISSUES ARE 3472 02:06:15,920 --> 02:06:19,000 VERY EASY TO MAKE, WE CAN DO IT 3473 02:06:19,000 --> 02:06:20,640 WITH ROBOTICS NOW, PUT THEM IN 3474 02:06:20,640 --> 02:06:23,360 THESE LARGE WELL PLATES, A WE 3475 02:06:23,360 --> 02:06:24,560 CAN LOOK AT CALCIUM SIGNALING. 3476 02:06:24,560 --> 02:06:26,880 SO YOU CAN SEE THAT HERE, WE 3477 02:06:26,880 --> 02:06:30,880 LOADED THEM WITH A CALCIUM DYE, 3478 02:06:30,880 --> 02:06:32,040 YOU CAN SEE THEM FLASHING AND 3479 02:06:32,040 --> 02:06:33,800 YOU CAN SEE IN A HIGH-THROUGHPUT 3480 02:06:33,800 --> 02:06:36,600 SYSTEM WHERE THE DRUGS MIGHT 3481 02:06:36,600 --> 02:06:38,000 HAVE THIS EFFECT. 3482 02:06:38,000 --> 02:06:40,560 SO THIS IS WHAT WE WOULD SEE IF 3483 02:06:40,560 --> 02:06:41,640 THERE'S ARRHYTHMIAS AND THIS IS 3484 02:06:41,640 --> 02:06:43,040 WHAT WE WOULD SEE IF IT WAS 3485 02:06:43,040 --> 02:06:44,680 OKAY. 3486 02:06:44,680 --> 02:06:47,640 SO LOOKING AT YET ANOTHER 3487 02:06:47,640 --> 02:06:53,320 DISEASE, THIS IS CALLED CPVT. 3488 02:06:53,320 --> 02:06:55,200 IT ALSO CAUSES ARRHYTHMIAS BUT 3489 02:06:55,200 --> 02:06:59,480 IT'S CAUSED BY MUTATIONS IN A 3490 02:06:59,480 --> 02:07:01,080 RECEPTOR THAT REGULATES CALCIUM 3491 02:07:01,080 --> 02:07:01,680 HANDLING. 3492 02:07:01,680 --> 02:07:02,960 YOU CAN SEE HERE IN THAT SYSTEM 3493 02:07:02,960 --> 02:07:09,200 I JUST SHOWED YOU, THAT THERE'S 3494 02:07:09,200 --> 02:07:10,080 REGULAR CALCIUM BEATS. 3495 02:07:10,080 --> 02:07:12,560 IF WE GIVE THE CPV T-CELLS A 3496 02:07:12,560 --> 02:07:14,880 TRIGGER, YOU CAN SEE THESE 3497 02:07:14,880 --> 02:07:16,520 ARRHYTHMIAS REVEALED. 3498 02:07:16,520 --> 02:07:18,480 AND IF WE ADD A DRUG THAT WORKS 3499 02:07:18,480 --> 02:07:19,720 IN SOME PATIENTS BUT NOT OTHERS, 3500 02:07:19,720 --> 02:07:21,200 WE CAN SEE WE GET THIS RESCUE. 3501 02:07:21,200 --> 02:07:23,000 NOW IT'S BEEN VERY HARD IN ANY 3502 02:07:23,000 --> 02:07:26,480 OTHER MODELS TO ACTUALLY SEE THE 3503 02:07:26,480 --> 02:07:30,200 EFFECTS OF FLECANYDE. 3504 02:07:30,200 --> 02:07:31,520 WE HOPE NOW AND IN THE FUTURE WE 3505 02:07:31,520 --> 02:07:34,360 CAN DO POPULATION STUDIES AND 3506 02:07:34,360 --> 02:07:35,880 FIGURE OUT WHICH PATIENT IS 3507 02:07:35,880 --> 02:07:37,720 LAKELY TO RESPOND AND DO SCREENS 3508 02:07:37,720 --> 02:07:39,600 OF LIBRARIES TO SEE WHICH DRUGS 3509 02:07:39,600 --> 02:07:45,840 MIGHT BE EFFECTIVE. 3510 02:07:45,840 --> 02:07:48,240 MOVING NOW TO VASCULAR DISEASE, 3511 02:07:48,240 --> 02:07:49,360 VASCULAR DISEASE IS OFTEN CAUSED 3512 02:07:49,360 --> 02:07:50,960 BY A FAILURE TO HAVE PROPER 3513 02:07:50,960 --> 02:07:51,640 DIALOGUE BETWEEN THE CELLS THAT 3514 02:07:51,640 --> 02:07:53,280 MAKE UP THE VESSEL WALL. 3515 02:07:53,280 --> 02:07:55,920 SO THAT'S THE VEST COLLAR SMOOTH 3516 02:07:55,920 --> 02:07:57,880 MUSCLE CELLS, ENDOTHELIAL CELLS 3517 02:07:57,880 --> 02:08:00,240 AND PERHAPS THE IMMUNE SYSTEM IN 3518 02:08:00,240 --> 02:08:00,840 THE STROMA. 3519 02:08:00,840 --> 02:08:02,240 SO MUTATIONS IN ANY OF THESE 3520 02:08:02,240 --> 02:08:03,560 SIGNALING PATHWAYS BETWEEN THESE 3521 02:08:03,560 --> 02:08:08,360 CELLS CAUSE A VARIETY OF RARE 3522 02:08:08,360 --> 02:08:10,320 VASCULAR DISEASES. 3523 02:08:10,320 --> 02:08:11,200 TOGETHER, THERE ARE ACTUALLY 3524 02:08:11,200 --> 02:08:13,600 QUITE A LOT OF PEOPLE WITH THESE 3525 02:08:13,600 --> 02:08:14,800 CONDITIONS. 3526 02:08:14,800 --> 02:08:16,480 WE'RE PARTICULARLY INTERESTED IN 3527 02:08:16,480 --> 02:08:21,600 ONE CALLED HEREDITARY 3528 02:08:21,600 --> 02:08:22,800 HEMORRHAGIC TELANGIECTASIA. 3529 02:08:22,800 --> 02:08:23,960 THIS IS CAUSED BY DISTRACTION OF 3530 02:08:23,960 --> 02:08:25,400 A DIALOGUE BETWEEN THE 3531 02:08:25,400 --> 02:08:26,200 ENDOTHELIAL CELLS AND THE 3532 02:08:26,200 --> 02:08:27,600 PARASITES. 3533 02:08:27,600 --> 02:08:29,360 SO LOOKING TOWARDS 3534 02:08:29,360 --> 02:08:30,360 STANDARDIZATION, THIS IS VERY 3535 02:08:30,360 --> 02:08:34,400 IMPORTANT, SO WE CAN GET 3536 02:08:34,400 --> 02:08:35,920 CD31 POSITIVE ENDOTHELIAL CELLS 3537 02:08:35,920 --> 02:08:37,680 FROM IPS CELLS QUITE HAPPILY. 3538 02:08:37,680 --> 02:08:41,840 THEY SAY PROPERLY WITH THE RIGHT 3539 02:08:41,840 --> 02:08:48,320 MARKER SO HERE IN PECAM1 VON 3540 02:08:48,320 --> 02:08:50,920 WILLEBRAND FACTOR, AND WE CAN 3541 02:08:50,920 --> 02:08:53,560 STANDARDIZE THESE IN QA AND QC 3542 02:08:53,560 --> 02:08:55,080 BY QUANTIFYING FUNCTIONAL 3543 02:08:55,080 --> 02:08:57,160 PARAMETERS. 3544 02:08:57,160 --> 02:08:58,160 I'LL JUST SHOW YOU AN EXAMPLE OF 3545 02:08:58,160 --> 02:08:59,880 WHAT THAT MEANS AND HOW WE CAN 3546 02:08:59,880 --> 02:09:01,000 MONITOR BATCH TO BATCH 3547 02:09:01,000 --> 02:09:02,080 VARIABILITY. 3548 02:09:02,080 --> 02:09:04,360 SO WE USE SOMETHING CALLED 3549 02:09:04,360 --> 02:09:05,920 ELECTRICAL CELL-SUBSTRATE IMPEE 3550 02:09:05,920 --> 02:09:08,280 DANCE SENSING, ECIS, AND IT 3551 02:09:08,280 --> 02:09:09,880 MEASURES THE BARRIER FUNCTION OF 3552 02:09:09,880 --> 02:09:12,040 THE EPITHELIAL LAYER. 3553 02:09:12,040 --> 02:09:13,760 SO BASICALLY WHAT YOU DO IS YOU 3554 02:09:13,760 --> 02:09:15,960 MEASURE THE RESISTANCE, YOU 3555 02:09:15,960 --> 02:09:18,920 CREATE A WOUND IN THAT 3556 02:09:18,920 --> 02:09:21,520 EPITHELIAL LAYER BY TURNING UP 3557 02:09:21,520 --> 02:09:24,800 THE GAIN ON SOME ELECTRODES, IT 3558 02:09:24,800 --> 02:09:26,160 BYRNES A HOLE YOU AND GET 3559 02:09:26,160 --> 02:09:27,120 MIGRATION OF THE CELLS BACK INTO 3560 02:09:27,120 --> 02:09:27,880 THAT WOUND. 3561 02:09:27,880 --> 02:09:32,360 YOU DO THIS IN COMPLETE MEDIUM, 3562 02:09:32,360 --> 02:09:34,120 SERUM-FREE MEDIUM OR MEDIUM IN 3563 02:09:34,120 --> 02:09:34,360 VEGF. 3564 02:09:34,360 --> 02:09:37,960 SO THIS IS THE MIGRATION SHOWN 3565 02:09:37,960 --> 02:09:40,440 AND THE IMPEE DANCE. 3566 02:09:40,440 --> 02:09:40,800 IMPEDANCE. 3567 02:09:40,800 --> 02:09:42,240 NOW JUST WATCH THAT SHAPE. 3568 02:09:42,240 --> 02:09:43,440 I'M NOT GOING TO GO INTO THE 3569 02:09:43,440 --> 02:09:44,840 DETAILS TOO MUCH, BUT THIS IS 3570 02:09:44,840 --> 02:09:46,280 INDEPENDENT BIOLOGICAL 3571 02:09:46,280 --> 02:09:47,480 EXPERIMENTS WITH THE SAME BATCH 3572 02:09:47,480 --> 02:09:50,640 OF IPS ENDOTHELIAL CELLS. 3573 02:09:50,640 --> 02:09:52,160 SO BASICALLY WHAT YOU SEE IS THE 3574 02:09:52,160 --> 02:09:54,400 SHAPE IN ALL CASES IS THE SAME, 3575 02:09:54,400 --> 02:09:56,200 SO THE RESISTANCE IN ALL THREE 3576 02:09:56,200 --> 02:09:57,200 BATCHES IS THE SAME. 3577 02:09:57,200 --> 02:10:00,480 SO THAT'S GOOD. 3578 02:10:00,480 --> 02:10:01,120 WITHIN ONE PATCH. 3579 02:10:01,120 --> 02:10:03,200 SO BAMP. 3580 02:10:03,200 --> 02:10:03,960 SO THERE'S NOTHING TECHNICALLY 3581 02:10:03,960 --> 02:10:04,960 WRONG WITH THE ASSAY. 3582 02:10:04,960 --> 02:10:06,800 IF WE TAKE INDEPENDENT BATCHES 3583 02:10:06,800 --> 02:10:08,200 OF THESE CELLS ISOLATED FROM THE 3584 02:10:08,200 --> 02:10:13,400 SAME CONTROL LINE, WE CAN'T NO 3585 02:10:13,400 --> 02:10:14,040 DIFFERENCES AT ALL. 3586 02:10:14,040 --> 02:10:15,360 SO THE BATCH TO BATCH 3587 02:10:15,360 --> 02:10:17,240 VARIABILITY IS LOOKING EXTREMELY 3588 02:10:17,240 --> 02:10:17,760 GOOD. 3589 02:10:17,760 --> 02:10:21,600 WHEN WE GO TO LINE TO LINE 3590 02:10:21,600 --> 02:10:22,560 DIFFERENCES, THAT'S WHEN WE'RE 3591 02:10:22,560 --> 02:10:23,320 SEEING A DIFFERENCE. 3592 02:10:23,320 --> 02:10:24,520 YOU CAN SEE HERE WITH THREE 3593 02:10:24,520 --> 02:10:26,920 DIFFERENT LINES, THERE ARE TWO 3594 02:10:26,920 --> 02:10:28,120 LOOKING QUITE SIMILAR, ONE 3595 02:10:28,120 --> 02:10:29,920 SLIGHTLY DIFFERENT IN THE 3596 02:10:29,920 --> 02:10:33,160 RESISTANCE IT'S SHOWING US IN 3597 02:10:33,160 --> 02:10:35,720 THE TIER ASSAY, TRANS EPITHELIAL 3598 02:10:35,720 --> 02:10:36,360 RESISTANCE ASSAY. 3599 02:10:36,360 --> 02:10:38,640 SO THAT MEANS WE HAVE TO BE VERY 3600 02:10:38,640 --> 02:10:40,400 SURE TO TAKE THE RIGHT CONTROL 3601 02:10:40,400 --> 02:10:43,800 BELONGING TO EACH LINE BEFORE WE 3602 02:10:43,800 --> 02:10:44,800 CAN MAKE CONCLUSIONS. 3603 02:10:44,800 --> 02:10:47,040 SO HAVING DONE THAT SORT OF QA 3604 02:10:47,040 --> 02:10:48,840 AND QC IN THESE VERY LARGE 3605 02:10:48,840 --> 02:10:50,880 BATCH, WE CAN PUT THEM IN AN 3606 02:10:50,880 --> 02:10:53,200 ORGANOID CHIP FORMAT. 3607 02:10:53,200 --> 02:10:57,480 THIS IS USING COMMERCIALLY 3608 02:10:57,480 --> 02:10:58,760 AVAILABLE BIOCHIP CHIP. 3609 02:10:58,760 --> 02:11:00,320 YOU HAVE A GEL CHANNEL IN THE 3610 02:11:00,320 --> 02:11:03,360 MIDDLE OF THESE MICRO FLUIDIC 3611 02:11:03,360 --> 02:11:04,040 DEVICE, GEL CHANNEL CONTAINING 3612 02:11:04,040 --> 02:11:04,480 THE CELLS. 3613 02:11:04,480 --> 02:11:06,160 THERE ARE TWO MEDIA CHANNELS ON 3614 02:11:06,160 --> 02:11:06,640 EITHER SIDE. 3615 02:11:06,640 --> 02:11:08,600 THEY COME IN MULTIPLEX FORMS. 3616 02:11:08,600 --> 02:11:10,920 WE PUT A SUSPENSION OF 3617 02:11:10,920 --> 02:11:13,000 ENDOTHELIAL CELLS AND PARASITES 3618 02:11:13,000 --> 02:11:18,920 IN THE MIDDLE CHANNEL, AND THESE 3619 02:11:18,920 --> 02:11:20,240 ENDOTHELIAL AND SMOOTH MUSCLE 3620 02:11:20,240 --> 02:11:23,560 CELLS ORGANIZE THEMSELVES INTO A 3621 02:11:23,560 --> 02:11:23,840 VASCULATURE. 3622 02:11:23,840 --> 02:11:25,200 IF THIS FILM COULD RUN, YOU 3623 02:11:25,200 --> 02:11:25,840 COULD SEE IT. 3624 02:11:25,840 --> 02:11:28,880 BUT IT SELF-ORGANIZES HERE, AND 3625 02:11:28,880 --> 02:11:33,400 YOU CAN ACTUALLY SEE THESE 3626 02:11:33,400 --> 02:11:35,480 FORMING LEUM NIEZED VESSELS VERY 3627 02:11:35,480 --> 02:11:35,720 NICELY. 3628 02:11:35,720 --> 02:11:38,400 HERE IN PURPLE YOU CAN SEE THE 3629 02:11:38,400 --> 02:11:40,160 EPITHELIAL CELLS AND BEAUTIFUL 3630 02:11:40,160 --> 02:11:41,080 LUMEN FORMED INSIDE. 3631 02:11:41,080 --> 02:11:42,920 THESE ARE THE EPITHELIAL CELLS 3632 02:11:42,920 --> 02:11:43,880 IN PURPLE AND THE GREEN CELLS 3633 02:11:43,880 --> 02:11:45,160 ARE THE SMOOTH MUSCLE CELLS. 3634 02:11:45,160 --> 02:11:47,800 THIS IS IN A CONTROL SITUATION 3635 02:11:47,800 --> 02:11:50,200 SO VERY TIGHT CONTACT BETWEEN 3636 02:11:50,200 --> 02:11:51,560 THESE SMOOTH MUSCLE CELLS AND 3637 02:11:51,560 --> 02:11:52,840 THE ENDOTHELIAL CELLS. 3638 02:11:52,840 --> 02:11:55,040 NOW, IN THIS DISEASE CALLED HHT, 3639 02:11:55,040 --> 02:11:56,560 WHICH I SAID WAS ONE OF OUR 3640 02:11:56,560 --> 02:12:01,400 FAVORITE DISEASES, THERE ARE 3641 02:12:01,400 --> 02:12:02,680 MUTATIONS IN THE SIGNALING 3642 02:12:02,680 --> 02:12:02,920 PATHWAY. 3643 02:12:02,920 --> 02:12:04,360 THESE PATIENTS HAVE VERY WEAK 3644 02:12:04,360 --> 02:12:05,760 BLOOD VESSELS, THEY HEMORRHAGE 3645 02:12:05,760 --> 02:12:08,600 VERY EASILY, THEY HAVE 3646 02:12:08,600 --> 02:12:10,240 PARTICULARLY CHRONIC NOSE 3647 02:12:10,240 --> 02:12:11,520 BLEEDS, SO MAYBE FIVE TO 10 3648 02:12:11,520 --> 02:12:13,200 TIMES A DAY, SOMETIMES UP TO 3649 02:12:13,200 --> 02:12:15,160 HALF A LITER A TIME. 3650 02:12:15,160 --> 02:12:16,040 THEY'RE COMPLETELY MISERABLE. 3651 02:12:16,040 --> 02:12:17,680 SO WHAT WE'RE LOOKING FOR IS 3652 02:12:17,680 --> 02:12:20,080 WAYS TO STABILIZE THESE VESSELS. 3653 02:12:20,080 --> 02:12:21,280 THE FIRST QUESTION IS, COULD WE 3654 02:12:21,280 --> 02:12:23,680 CREATE A MODEL TO MIMIC THIS? 3655 02:12:23,680 --> 02:12:25,640 AND BASICALLY WHAT WE'VE DONE IS 3656 02:12:25,640 --> 02:12:28,640 SHOWN IN THE NEXT SLIDE. 3657 02:12:28,640 --> 02:12:30,160 WE CAN CREATE THIS MODEL. 3658 02:12:30,160 --> 02:12:32,480 SO IN THE TOP, YOU SEE AGAIN 3659 02:12:32,480 --> 02:12:33,760 THIS CONTROL, THE PURPLE ON THE 3660 02:12:33,760 --> 02:12:35,520 RIGHT IS THE ENDOTHELIAL CELLS, 3661 02:12:35,520 --> 02:12:37,680 THE GREEN OF THE SMOOTH MUSCLE 3662 02:12:37,680 --> 02:12:38,120 CELLS. 3663 02:12:38,120 --> 02:12:41,720 BUT WHEN WE HAVE THE CELLS 3664 02:12:41,720 --> 02:12:44,680 FORMED FROM IPS CELLS FROM AN 3665 02:12:44,680 --> 02:12:46,360 HHT PATIENT, WHAT WE FIND IS 3666 02:12:46,360 --> 02:12:48,760 THESE SMOOTH MUSCLE CELLS 3667 02:12:48,760 --> 02:12:51,560 INTERACT VERY POORLY WITH THE 3668 02:12:51,560 --> 02:12:54,960 ENDOTHELIAL CELLS, AND THAT 3669 02:12:54,960 --> 02:12:56,400 STABILITY IS LIKELY THE REASON 3670 02:12:56,400 --> 02:12:58,680 THAT THESE VESSELS HEMORRHAGE 3671 02:12:58,680 --> 02:13:00,120 EASILY. 3672 02:13:00,120 --> 02:13:05,560 AND WHEN WE LOOK AT THE FLOW OF 3673 02:13:05,560 --> 02:13:07,080 DEXTRAN THROUGH THESE LEUM 3674 02:13:07,080 --> 02:13:11,480 NIEZED VESSELS ON THE TOP, IT 3675 02:13:11,480 --> 02:13:12,720 RETAINED WITHIN THESE VESSEL 3676 02:13:12,720 --> 02:13:15,640 STRUCTURES WITH BUT THE HHT-D 3677 02:13:15,640 --> 02:13:17,000 VESSELS ARE LEAKING, JUST AS 3678 02:13:17,000 --> 02:13:20,440 THEY ARE IN PATIENTS. 3679 02:13:20,440 --> 02:13:22,760 WE'RE USING THIS ASSAY TO SCREEN 3680 02:13:22,760 --> 02:13:23,520 FOR REPURPOSED DRUGS AT THE 3681 02:13:23,520 --> 02:13:26,160 PRESENT TIME AND WE'VE GOT -- ON 3682 02:13:26,160 --> 02:13:29,520 THE BASIS OF THIS ASSAY, WE NOW 3683 02:13:29,520 --> 02:13:32,800 HAVE TWO DRUGS IN CLINICAL 3684 02:13:32,800 --> 02:13:34,560 TRIAL. 3685 02:13:34,560 --> 02:13:36,440 SO JUST TO SUMMARIZE BECAUSE 3686 02:13:36,440 --> 02:13:40,680 TIME FLIES, THIS IS -- WHAT I'VE 3687 02:13:40,680 --> 02:13:42,280 SHOWED YOU IS A LOW-TECH 3688 02:13:42,280 --> 02:13:44,080 SCALABLE AND INEXPENSIVE MODEL 3689 02:13:44,080 --> 02:13:45,800 TO STUDY CARDIAC DISEASE AND 3690 02:13:45,800 --> 02:13:52,040 TOXICITY BASED ON MATURE 3691 02:13:52,040 --> 02:13:53,160 CARDIOMYOCYTES, SO I THINK IF WE 3692 02:13:53,160 --> 02:13:54,440 MOVE NOW TO LOOKING MORE AT THE 3693 02:13:54,440 --> 02:13:56,560 EFFECT OF VIRUSES, WE MAY SEE 3694 02:13:56,560 --> 02:13:58,280 THE OUTCOME WE EXPECT. 3695 02:13:58,280 --> 02:14:00,040 THE MULTICELL TYPE MODEL ALLOWS 3696 02:14:00,040 --> 02:14:01,000 IDENTIFICATION OF CELLULAR 3697 02:14:01,000 --> 02:14:03,640 TARGET IN CARDIAC DISEASE. 3698 02:14:03,640 --> 02:14:05,480 THE 3D ORGANS ON CHIP UNDER FLOW 3699 02:14:05,480 --> 02:14:07,800 THAT I SHOWED YOU CAPTURE SMALL 3700 02:14:07,800 --> 02:14:10,000 VESSEL DISEASE MODEL PHENOTYPES. 3701 02:14:10,000 --> 02:14:12,600 AND WE DO NOT SEE THIS IN 2D 3702 02:14:12,600 --> 02:14:13,920 BECAUSE IN 2D, THERE ARE NO 3703 02:14:13,920 --> 02:14:15,440 LUMEN. 3704 02:14:15,440 --> 02:14:18,960 AND MANY IPS AND ORGANOID MODELS 3705 02:14:18,960 --> 02:14:20,160 ON WHICH THEY'RE BASED ARE READY 3706 02:14:20,160 --> 02:14:22,920 TO GO FOR EXAMINING EFFECT OF 3707 02:14:22,920 --> 02:14:24,120 VIRUSES, DRUG REPURPOSES AND 3708 02:14:24,120 --> 02:14:25,520 SCREENING OF THERAPEUTIC DRUGS. 3709 02:14:25,520 --> 02:14:26,840 SO THESE ARE THE PEOPLE IN THE 3710 02:14:26,840 --> 02:14:31,840 LAB WHO HAVE BEEN DRIVING THIS 3711 02:14:31,840 --> 02:14:36,880 WORK, JUNIOR PIs, THESE ARE 3712 02:14:36,880 --> 02:14:38,400 PH.D. STUDENTS AND POSTDOCS 3713 02:14:38,400 --> 02:14:39,280 INVOLVED IN THE WORK AND THESE 3714 02:14:39,280 --> 02:14:41,040 ARE SOME OF OUR MANY 3715 02:14:41,040 --> 02:14:41,600 COLLABORATOR. 3716 02:14:41,600 --> 02:14:43,120 THANK YOU. 3717 02:14:43,120 --> 02:14:44,440 AND OF COURSE OUR FUNDERS AT THE 3718 02:14:44,440 --> 02:14:46,880 BOTTOM. 3719 02:14:46,880 --> 02:14:51,240 >> THANK YOU SO MUCH, CHRISTINE. 3720 02:14:51,240 --> 02:14:54,160 I LOVE YOUR LOW TECH MODEL. 3721 02:14:54,160 --> 02:14:56,360 REALLY NICE WORK. 3722 02:14:56,360 --> 02:14:57,320 AGAIN REMIND EVERYONE THAT IF 3723 02:14:57,320 --> 02:14:59,200 YOU HAVE QUESTIONS FOR THE 3724 02:14:59,200 --> 02:15:02,280 SPEAKERS, TO TYPE THEM ON THE 3725 02:15:02,280 --> 02:15:04,760 QUESTION AND ANSWER BOX AND 3726 02:15:04,760 --> 02:15:07,960 WE'LL ADDRESS THEM, THE SPEAKERS 3727 02:15:07,960 --> 02:15:09,800 CAN ADDRESS THEM DURING -- LIKE 3728 02:15:09,800 --> 02:15:13,080 BY TYPING, OR WE CAN ADDRESS 3729 02:15:13,080 --> 02:15:13,960 THEM AT THE END. 3730 02:15:13,960 --> 02:15:16,440 SO NOW WE'RE GOING TO MOVE ON TO 3731 02:15:16,440 --> 02:15:17,600 THE NEXT SPEAKER, AND IT'S A 3732 02:15:17,600 --> 02:15:22,840 PLEASURE FOR ME TO INTRODUCE DRI 3733 02:15:22,840 --> 02:15:25,480 BELIEVE RECENTLY MOVED TO ROACH 3734 02:15:25,480 --> 02:15:35,280 AND IS ROCHE 3735 02:15:35,280 --> 02:15:36,560 IN SWITZERLAND, BEFORE HE WAS 3736 02:15:36,560 --> 02:15:41,520 DIRECTOR AND PRINCIPAL 3737 02:15:41,520 --> 02:15:44,600 INVESTIGATOR IN THE NETHERLANDS, 3738 02:15:44,600 --> 02:15:48,440 ALSO INVESTIGATING DIRECTOR OF 3739 02:15:48,440 --> 02:15:52,120 RESEARCH AT THE CENTER FOR 3740 02:15:52,120 --> 02:15:53,760 PROCEED TRICK ONCOLOGY. 3741 02:15:53,760 --> 02:15:59,000 HE'SAND BEEN DOING PIONEERING 3742 02:15:59,000 --> 02:16:02,080 WORK IN ORGANOIDS, PARTICULARLY 3743 02:16:02,080 --> 02:16:06,680 INTESTINAL TRACT ORGANOIDS. 3744 02:16:06,680 --> 02:16:10,160 TODAY HE'S GOING TO BE TALKING, 3745 02:16:10,160 --> 02:16:12,440 THE TITLE OF THE PRESENTATION IS 3746 02:16:12,440 --> 02:16:17,160 HUMAN TISSUE STEM CELL DERIVED 3747 02:16:17,160 --> 02:16:18,400 ORGANOIDS MODEL VIRAL INFECTION. 3748 02:16:18,400 --> 02:16:19,280 HANS, THE FLOOR IS YOURS. 3749 02:16:19,280 --> 02:16:24,920 >> THANKS VERY MUCH. 3750 02:16:24,920 --> 02:16:28,680 , MARC, FOR THE INTRODUCTION AND 3751 02:16:28,680 --> 02:16:35,760 INVITATION TO SPEAK. 3752 02:16:35,760 --> 02:16:36,880 I'LL GIVE YOU A BRIEF 3753 02:16:36,880 --> 02:16:38,160 INTRODUCTION TO THE TYPES OF 3754 02:16:38,160 --> 02:16:39,160 ORGANOIDS THAT MY LAB HAS 3755 02:16:39,160 --> 02:16:42,760 DEVELOPED ABOUT 12 YEARS AGO AND 3756 02:16:42,760 --> 02:16:43,960 THEN I'LL GIVE YOU SOME EXAMPLES 3757 02:16:43,960 --> 02:16:46,800 OF HOW WE HAVE BEEN USING THIS 3758 02:16:46,800 --> 02:16:48,360 TECHNOLOGY TO MODEL VARIOUS 3759 02:16:48,360 --> 02:16:50,080 VIRAL INFECTIONS. 3760 02:16:50,080 --> 02:16:54,160 WHAT YOU SEE HERE IS THE INSIDES 3761 02:16:54,160 --> 02:16:55,560 OF THE HUMAN SMALL INTESTINE. 3762 02:16:55,560 --> 02:16:57,600 FOOD PASSES BY FROM LEFT TO 3763 02:16:57,600 --> 02:16:58,080 RIGHT. 3764 02:16:58,080 --> 02:16:58,960 THIS STRUCTURE HERE IS CALLED 3765 02:16:58,960 --> 02:17:00,040 THE VILLUS. 3766 02:17:00,040 --> 02:17:01,880 THERE'S ABOUT MAYBE 8 TO 10 3767 02:17:01,880 --> 02:17:02,720 CRYPTS THAT SURROUND THE BASE OF 3768 02:17:02,720 --> 02:17:05,720 THE VILLUS AND THESE 3769 02:17:05,720 --> 02:17:06,720 STRUCTURES -- WHEN WE WERE 3770 02:17:06,720 --> 02:17:08,040 STUDYING THE PATHWAY A LONG TIME 3771 02:17:08,040 --> 02:17:09,360 AGO BECAUSE THE STEM CELL 3772 02:17:09,360 --> 02:17:10,520 PROCESS THAT YOU SEE HERE, THE 3773 02:17:10,520 --> 02:17:13,520 CELERY NEWELL PROCESS 3774 02:17:13,520 --> 02:17:15,040 CELL RENEWAL PROCESS IS PROBABLY 3775 02:17:15,040 --> 02:17:17,120 THE FASTEST IN THE HUMAN BODY. 3776 02:17:17,120 --> 02:17:18,520 THEY PRODUCE DAUGHTER CELLS 3777 02:17:18,520 --> 02:17:19,400 EVERY DAY. 3778 02:17:19,400 --> 02:17:20,720 THOSE DAUGHTER CELLS TAKE ABOUT 3779 02:17:20,720 --> 02:17:22,880 TWO DAYS WHILE THEY DIVIDE THREE 3780 02:17:22,880 --> 02:17:25,080 OR FOUR TIMES TO EXIT THE 3781 02:17:25,080 --> 02:17:26,640 CRYPTS, THEY THEN MATURE INTO 3782 02:17:26,640 --> 02:17:28,400 SOMETHING LIKE 10 DIFFERENT CELL 3783 02:17:28,400 --> 02:17:29,880 TYPES THAT YOU NEED FOR 3784 02:17:29,880 --> 02:17:33,200 DIGESTING FOOD AND TAKING OF 3785 02:17:33,200 --> 02:17:33,640 NUTRIENTS. 3786 02:17:33,640 --> 02:17:34,600 THEY WILL THEN CONTINUE TO MOVE 3787 02:17:34,600 --> 02:17:37,760 UP AS FULLY DIFFERENTIATED CELLS 3788 02:17:37,760 --> 02:17:39,440 FIVE DAYS IN THE MOWRT, THEY 3789 02:17:39,440 --> 02:17:42,160 REACH THE TIPS OF THE VILLI AND 3790 02:17:42,160 --> 02:17:42,800 GO UP. 3791 02:17:42,800 --> 02:17:44,600 NOW THIS IS PROBABLY THE FASTEST 3792 02:17:44,600 --> 02:17:47,480 CELERY NEWELL 3793 02:17:47,480 --> 02:17:49,960 CELL SL RENEWAL PROCESS IN THE 3794 02:17:49,960 --> 02:17:52,880 MAMMALIAN BODY. 3795 02:17:52,880 --> 02:17:54,840 WE KNEW -- WAS A KEY TO DRIVE 3796 02:17:54,840 --> 02:17:57,520 THIS, AND THIS ALLOWED US TO 3797 02:17:57,520 --> 02:17:59,640 FINALLY IDENTIFY A MARKER FOR 3798 02:17:59,640 --> 02:18:07,320 THE STEM CELLS LGR5 IN MICE 3799 02:18:07,320 --> 02:18:13,440 WHERE WE COULD INSERT -- IN THE 3800 02:18:13,440 --> 02:18:15,520 LGR5 LOCUS, WE COULD EASILY SORT 3801 02:18:15,520 --> 02:18:16,200 OUT OF STEM CELLS. 3802 02:18:16,200 --> 02:18:18,480 WE NOTED LOTS OF UNEXPECTED 3803 02:18:18,480 --> 02:18:22,400 THINGS, THERE WERE MULTIPLE DOG 3804 02:18:22,400 --> 02:18:25,160 MASKS AROUND THE CELLS, THAT 3805 02:18:25,160 --> 02:18:27,200 THEY RARELY DIVIDE. 3806 02:18:27,200 --> 02:18:28,600 THESE STEM CELLS LIKE STEM CELLS 3807 02:18:28,600 --> 02:18:31,160 OF THE STOMACH OR THE HAIR 3808 02:18:31,160 --> 02:18:32,240 FOLLICLE, FOR INSTANCE, 3809 02:18:32,240 --> 02:18:34,320 CONSTANTLY DIVIDE, AND BASED ON 3810 02:18:34,320 --> 02:18:40,040 THIS OBSERVATION, TOSHIRO SATO 3811 02:18:40,040 --> 02:18:44,480 AND -- WE CAME UP WITH -- ONE WE 3812 02:18:44,480 --> 02:18:47,440 LATER TO FIND LIGAND OF LGR5 OF 3813 02:18:47,440 --> 02:18:52,280 OUR STEM CELL FACTOR, WE DO 3814 02:18:52,280 --> 02:19:02,800 THESE STEM CELLS IN MAT RIGEL IN 3815 02:19:03,400 --> 02:19:04,960 3D. 3816 02:19:04,960 --> 02:19:07,920 MUCH TO OUR SURPRISE, WE SAW 3817 02:19:07,920 --> 02:19:09,320 FORMATION OF THESE VERY 3818 02:19:09,320 --> 02:19:11,200 IRREGULAR STRUCTURES THAT UPON 3819 02:19:11,200 --> 02:19:12,400 CLOSE EXAMINATION TURN OUT TO BE 3820 02:19:12,400 --> 02:19:13,920 SMALL COPIES OF THE GUT 3821 02:19:13,920 --> 02:19:14,560 EPITHELIUM. 3822 02:19:14,560 --> 02:19:16,520 SO A SINGLE STEM CELL KNOWS HOW 3823 02:19:16,520 --> 02:19:19,480 TO BUILD THESE 3D STRUCTURES 3824 02:19:19,480 --> 02:19:20,840 WITH ALL OF THE DIFFERENTIATED 3825 02:19:20,840 --> 02:19:25,640 CELL TYPES, LINING THE CENTRAL 3826 02:19:25,640 --> 02:19:26,600 LUMEN WITH CRYPTS, AT THE BASE 3827 02:19:26,600 --> 02:19:27,800 OF THE CRYPTS ARE MULTIPLE STEM 3828 02:19:27,800 --> 02:19:29,360 CELLS AND THE OTHER CELLS THAT 3829 02:19:29,360 --> 02:19:30,000 RESIDE THERE. 3830 02:19:30,000 --> 02:19:31,400 SO REALLY REMARKABLE THAT THEY 3831 02:19:31,400 --> 02:19:35,880 CAN BUILD THIS, EVEN MORE 3832 02:19:35,880 --> 02:19:37,000 REMARKABLE THAT THEY CAN KEEP 3833 02:19:37,000 --> 02:19:38,840 GROWING AS THESE INTESTINAL 3834 02:19:38,840 --> 02:19:40,400 ORGANOIDS FOR MANY, MANY YEARS 3835 02:19:40,400 --> 02:19:41,720 AND WE'VE NEVER SEEN MUTATIONS 3836 02:19:41,720 --> 02:19:43,120 WHEN YOU TRANSPLANT THEM, THEY 3837 02:19:43,120 --> 02:19:46,960 ARE REALLY NORMAL TISSUE. 3838 02:19:46,960 --> 02:19:49,280 WE THEN REALIZED THIS PROTOCOL 3839 02:19:49,280 --> 02:19:51,000 WAS APPLICABLE TO PROBABLY ALL 3840 02:19:51,000 --> 02:19:52,760 EPITHELIA OF THE MAMMALIAN BODY. 3841 02:19:52,760 --> 02:19:53,840 YOU SEE A WHOLE LIST HERE. 3842 02:19:53,840 --> 02:19:55,280 WE HAVE PUBLISHED MULTIPLE 3843 02:19:55,280 --> 02:19:56,360 PROTOCOLS BUT I'M SURE MANY OF 3844 02:19:56,360 --> 02:19:57,920 THEM CAN STILL BE IMPROVED AND 3845 02:19:57,920 --> 02:19:58,520 THERE'S MULTIPLE OTHER PAPERS 3846 02:19:58,520 --> 02:19:59,560 THAT HAVE COME UP WITH 3847 02:19:59,560 --> 02:20:00,640 ADDITIONAL PROTOCOLS. 3848 02:20:00,640 --> 02:20:02,920 VERY BRIEFLY, YOU START YOUR 3849 02:20:02,920 --> 02:20:04,560 CULTURE NOT FROM A STEM CELL, 3850 02:20:04,560 --> 02:20:06,320 YOU JUST GET A SMALL PIECE OF 3851 02:20:06,320 --> 02:20:07,200 TISSUE. 3852 02:20:07,200 --> 02:20:08,520 THERE'S ALWAYS STEM CELL 3853 02:20:08,520 --> 02:20:09,880 ACTIVITY, BIOPSY OR SURGICAL 3854 02:20:09,880 --> 02:20:11,200 RESECTION OR FOR KIDNEY, FOR 3855 02:20:11,200 --> 02:20:14,000 INSTANCE, WE CAN JUST SPIN SOME 3856 02:20:14,000 --> 02:20:19,120 CELLS OUT OF URINE AND GROW THEM 3857 02:20:19,120 --> 02:20:23,920 HAD, YOU PUT THEM IN MAT RIGEL, 3858 02:20:23,920 --> 02:20:29,400 YOU ADD GROWTH FACTORS, KINASE 3859 02:20:29,400 --> 02:20:32,040 RECEPTORS, AND OFTEN YOU NEED 3860 02:20:32,040 --> 02:20:33,960 TO -- AND IF YOU FIND THE RIGHT 3861 02:20:33,960 --> 02:20:35,080 OPTIMIZED CULTURE CONDITION, 3862 02:20:35,080 --> 02:20:36,280 TYPICALLY YOU CAN GROW THIS 3863 02:20:36,280 --> 02:20:40,800 PIECE OF TISSUE PROBABLY 3864 02:20:40,800 --> 02:20:41,560 FOREVER. 3865 02:20:41,560 --> 02:20:43,080 VERY DIFFERENT FROM THE IPS 3866 02:20:43,080 --> 02:20:43,360 ORGANOIDS. 3867 02:20:43,360 --> 02:20:44,800 FROM THE MOMENT YOU PUT THEM IN 3868 02:20:44,800 --> 02:20:45,800 CULTURE, THEY'RE FULLY 3869 02:20:45,800 --> 02:20:47,880 SPECIFIED, THEY ACTUALLY PRODUCE 3870 02:20:47,880 --> 02:20:49,840 FULLY MATURE CELL TYPES BUT 3871 02:20:49,840 --> 02:20:51,480 THEY'RE VERY DONE, SO YOU CAN'T 3872 02:20:51,480 --> 02:20:52,800 TURN THEM INTO ANYTHING ELSE. 3873 02:20:52,800 --> 02:20:54,480 THEY'RE JUST GROW THE AREA OF 3874 02:20:54,480 --> 02:20:58,360 THE ORGAN OF INTEREST, THEY JUST 3875 02:20:58,360 --> 02:20:59,560 GROW THERE FOREVER IN THE FORM 3876 02:20:59,560 --> 02:21:00,760 OF ORGANOIDS. 3877 02:21:00,760 --> 02:21:02,640 ALSO WE CAN ONLY GROW EPITHELIAL 3878 02:21:02,640 --> 02:21:03,720 ELEMENTS FROM THESE TYPES OF 3879 02:21:03,720 --> 02:21:05,040 ORGANOIDS SO WE DON'T GET BONE, 3880 02:21:05,040 --> 02:21:06,680 WE DON'T GET MUSCLE, WE DON'T 3881 02:21:06,680 --> 02:21:10,960 GET BRAIN. 3882 02:21:10,960 --> 02:21:14,680 BUT RESPIRATORY AND INTESTINAL 3883 02:21:14,680 --> 02:21:16,320 VIRUSES TYPICALLY GO FOR 3884 02:21:16,320 --> 02:21:17,840 EPITHELIAL CELLS, ALL THESE 3885 02:21:17,840 --> 02:21:20,040 OTHER ORGANS ESSENTIALLY IN THE 3886 02:21:20,040 --> 02:21:23,440 EPITHELIAL CELL LAYERS OF THESE 3887 02:21:23,440 --> 02:21:24,200 ORGANS. 3888 02:21:24,200 --> 02:21:27,040 WHAT YOU CAN SEE HERE, STRAIGHT 3889 02:21:27,040 --> 02:21:28,280 FROM -- YOU CAN GROW CANCER 3890 02:21:28,280 --> 02:21:29,560 CELLS FROM A PATIENT, YOU CAN 3891 02:21:29,560 --> 02:21:33,160 GROW CELL FROM CYSTIC FIBROSIS 3892 02:21:33,160 --> 02:21:35,040 PATIENTS, LUNG, KIDNEY, STOMACH 3893 02:21:35,040 --> 02:21:36,520 AND RECAPITULATE PHENOTYPE AND 3894 02:21:36,520 --> 02:21:39,520 IT WILL REMAIN YOU THE EXAMPLES 3895 02:21:39,520 --> 02:21:40,960 OF INFECTIOUS DISEASE ORGANOIDS. 3896 02:21:40,960 --> 02:21:42,560 THIS IS AN ORGANOID THAT WE HAVE 3897 02:21:42,560 --> 02:21:43,960 WORKED VERY HARD AND VERY LONG 3898 02:21:43,960 --> 02:21:52,280 TO GET GROWING, HUILI HU IN 3899 02:21:52,280 --> 02:21:54,280 CHINA MANAGED TO COME UP WITH A 3900 02:21:54,280 --> 02:21:56,560 COMPLICATED COCKTAIL, EIGHT 3901 02:21:56,560 --> 02:21:57,760 GROWTH FACTORS. 3902 02:21:57,760 --> 02:22:00,840 IF WE HIT THE PROTOCOL RIGHT,PI 3903 02:22:00,840 --> 02:22:02,040 SME OF LIVER TISSUE WILL 3904 02:22:02,040 --> 02:22:04,640 GROW FOR LONG PERIODS OF TIME, 3905 02:22:04,640 --> 02:22:07,040 AND IT CONSISTS ENTIRELY OF 3906 02:22:07,040 --> 02:22:09,000 FULLY MATURE HEPATOCYTES THAT 3907 02:22:09,000 --> 02:22:09,440 OCCASIONALLY DIVIDE. 3908 02:22:09,440 --> 02:22:12,160 THEY'RE NOT THE FASTEST GROWER, 3909 02:22:12,160 --> 02:22:13,920 THEY PROBABLY GROW ABOUT THREE 3910 02:22:13,920 --> 02:22:17,560 FOLD HER WEEK, THESE CELLS ARE 3911 02:22:17,560 --> 02:22:19,080 FULLY MATURE HEPATOCYTES 3912 02:22:19,080 --> 02:22:20,600 DIRECTLY COMPARABLE TO PRIMARY 3913 02:22:20,600 --> 02:22:23,000 HE 3914 02:22:23,000 --> 02:22:25,640 HEPATOCYTES, SO CITE DIFFERENT 3915 02:22:25,640 --> 02:22:28,160 FROM -- ONE THING HERE, ANOTHER 3916 02:22:28,160 --> 02:22:31,080 CHINESE POSTDOC IN THE LAB, 3917 02:22:31,080 --> 02:22:32,520 BECAUSE WE CAN GROW THESE 3918 02:22:32,520 --> 02:22:34,080 ORGANOIDS FOR SUCH A LONG TIME, 3919 02:22:34,080 --> 02:22:35,480 WE CAN NOW STUDY CHRONIC 3920 02:22:35,480 --> 02:22:39,080 INFECTION BY VIRUSES AND THIS IS 3921 02:22:39,080 --> 02:22:41,280 HBV, THE CORE ANTIGEN OF HBV IS 3922 02:22:41,280 --> 02:22:43,240 MODELED HERE, AND THIS IS AFTER 3923 02:22:43,240 --> 02:22:47,160 32 DAYS IN CULTURE, AFTER 3924 02:22:47,160 --> 02:22:48,160 INFECTION, THEY CAN KEEP IT FOR 3925 02:22:48,160 --> 02:22:48,520 MONTHS. 3926 02:22:48,520 --> 02:22:50,240 YOU CAN SEE HIGH LEVELS OF THE 3927 02:22:50,240 --> 02:22:52,200 CORE ANTIGEN HERE IN GREEN, SO 3928 02:22:52,200 --> 02:22:55,720 THE VIRUS IS THERE, WE CAN SEE 3929 02:22:55,720 --> 02:23:02,400 FOR THE CC DNA -- AND THEY 3930 02:23:02,400 --> 02:23:03,480 SECRETE LIVE VIRAL PARTICLES AS 3931 02:23:03,480 --> 02:23:08,520 YOU CAN SEE IN THESE CURVES. 3932 02:23:08,520 --> 02:23:10,680 SO WE'RE WORKING TO MAKE 3933 02:23:10,680 --> 02:23:12,680 DISCOVERIES IN THIS MODEL SYSTEM 3934 02:23:12,680 --> 02:23:14,440 BUT IT SHOWS SOMETHING VERY HARD 3935 02:23:14,440 --> 02:23:16,840 TO STUDY PRIOR TO ORGANOID 3936 02:23:16,840 --> 02:23:18,560 TECHNOLOGY IF ONE GROWS IT AND 3937 02:23:18,560 --> 02:23:20,120 INFECTS IT WITH A VIRUS, ONE CAN 3938 02:23:20,120 --> 02:23:21,400 BUILD A CHRONIC MODEL FOR 3939 02:23:21,400 --> 02:23:23,560 INFECTION. 3940 02:23:23,560 --> 02:23:28,200 SO THIS IS CERVICAL ORGANOIDS, 3941 02:23:28,200 --> 02:23:34,760 SO LIVE CELLS TO GROW THESE 3942 02:23:34,760 --> 02:23:37,280 ORGANOIDS, AND SHE INFECTS WITH 3943 02:23:37,280 --> 02:23:44,280 HSV VIRUS, YOU CAN SEE HOW 3944 02:23:44,280 --> 02:23:45,480 RAPIDLY -- I THINK THIS MOVIE 3945 02:23:45,480 --> 02:23:49,320 RUNS OVER TWO DAYS OR SO -- HOW 3946 02:23:49,320 --> 02:23:50,720 RAPIDLY FIRST OF ALL THE VIRUS 3947 02:23:50,720 --> 02:23:52,040 PROPAGATES AND ALSO HOW IT KILLS 3948 02:23:52,040 --> 02:23:53,560 THE EPITHELIAL ORGANOIDS. 3949 02:23:53,560 --> 02:23:55,200 THESE ORGANOIDS DON'T HAVE 3950 02:23:55,200 --> 02:23:56,840 LUMENS, THEY COME FROM A 3951 02:23:56,840 --> 02:23:58,040 STRATIFIED EPITHELIUM, SO 3952 02:23:58,040 --> 02:24:00,800 TYPICALLY YOU SEE A VERY SORT OF 3953 02:24:00,800 --> 02:24:04,280 LIKE A -- LAKE LUMEN SKIN, THE 3954 02:24:04,280 --> 02:24:06,600 MOST MATURE CELLS ARE IN THE 3955 02:24:06,600 --> 02:24:09,240 INSIDE, AND THE BASAL CELLS WITH 3956 02:24:09,240 --> 02:24:11,200 THE PROLIFERATIVE LAYER IS ON 3957 02:24:11,200 --> 02:24:12,040 THE OUTSIDE. 3958 02:24:12,040 --> 02:24:14,560 EVERY ORGANOID YOU SEE HERE 3959 02:24:14,560 --> 02:24:17,440 INDIVIDUAL CELLS, WE STAINED FOR 3960 02:24:17,440 --> 02:24:20,360 THESE CILIA, THE BEATING CILIA 3961 02:24:20,360 --> 02:24:21,680 OF THE CILIATED CELLS, IN 3962 02:24:21,680 --> 02:24:24,120 BETWEEN THE OTHER CELL TYPES OF 3963 02:24:24,120 --> 02:24:27,040 THE BRONCHUS, AND HERE YOU CAN 3964 02:24:27,040 --> 02:24:28,800 ACTUALLY SEE, IT WAS VERY 3965 02:24:28,800 --> 02:24:34,720 SURPRISING WITH NORMAN SACS GROW 3966 02:24:34,720 --> 02:24:36,240 THESE ORGANOIDS ORIGINALLY, THE 3967 02:24:36,240 --> 02:24:38,640 SLIME THAT'S PRODUCED BY THE 3968 02:24:38,640 --> 02:24:39,960 GLOBUS CELLS -- IT'S MOVING AND 3969 02:24:39,960 --> 02:24:41,680 IT'S BECAUSE OF THE CILIATED 3970 02:24:41,680 --> 02:24:42,800 CELLS THAT ARE ALSO PRESENCE, 3971 02:24:42,800 --> 02:24:44,240 YOU CAN SEE THE CILIA NICELY 3972 02:24:44,240 --> 02:24:46,520 BEAT AND YOU MIGHT ALSO OBSERVE 3973 02:24:46,520 --> 02:24:48,480 THAT THEY BEAT IN A CONCERTED 3974 02:24:48,480 --> 02:24:49,880 WAY, SO THEY BASICALLY BEAT THE 3975 02:24:49,880 --> 02:24:51,680 WAY THEY SHOULD BEAT IN THE 3976 02:24:51,680 --> 02:24:53,920 AIRWAY SO THEY BASICALLY 3977 02:24:53,920 --> 02:24:55,040 SYNCHRONIZE WHAT THEY DO, AND 3978 02:24:55,040 --> 02:24:57,120 THIS MAKES THAT THE MUCUS IN THE 3979 02:24:57,120 --> 02:25:01,160 CENTER OF THESE ORGANOIDS SPIN. 3980 02:25:01,160 --> 02:25:03,360 THESE, WE'VE USED FOR A NUMBER 3981 02:25:03,360 --> 02:25:06,320 OF VIRUSES. 3982 02:25:06,320 --> 02:25:09,280 THIS IS JUST MAKING A MOVIE OF 3983 02:25:09,280 --> 02:25:11,000 AN ORGANOID WITH NO INFECTION. 3984 02:25:11,000 --> 02:25:13,520 OUR COLLABORATORS IN HONG KONG 3985 02:25:13,520 --> 02:25:15,840 HAVE USED THESE ORGANOIDS TO 3986 02:25:15,840 --> 02:25:18,240 STUDY INFLUENZA VIRUSES A NUMBER 3987 02:25:18,240 --> 02:25:19,440 OF YEARS AGO. 3988 02:25:19,440 --> 02:25:20,760 THE PAPER IS VERY POPULAR NOW 3989 02:25:20,760 --> 02:25:22,720 WITH THE SARS AND SARS-COV-2 3990 02:25:22,720 --> 02:25:23,440 STUDIES. 3991 02:25:23,440 --> 02:25:25,040 AND IT TURNS OUT THAT ONE CAN 3992 02:25:25,040 --> 02:25:29,720 USE THESE ORGANOIDS TO DEFINE 3993 02:25:29,720 --> 02:25:32,480 PATHOGENIC EFFECTS OF NEW 3994 02:25:32,480 --> 02:25:34,360 INFLUENZA STRAINS, PARTICULARLY 3995 02:25:34,360 --> 02:25:37,480 THE ONES THAT JUMP FROM PIG OR 3996 02:25:37,480 --> 02:25:38,920 BIRDS FROM HUMANS CAN BE VERY 3997 02:25:38,920 --> 02:25:39,160 DANGEROUS. 3998 02:25:39,160 --> 02:25:41,560 IN THE PAST WHEN THEY USED THIS 3999 02:25:41,560 --> 02:25:42,520 PLATFORM, THEY COULD ACTUALLY 4000 02:25:42,520 --> 02:25:45,800 SEE THIS IN CULTURES. 4001 02:25:45,800 --> 02:25:48,520 SO NOW IF WE ADD THE RSV VIRUS 4002 02:25:48,520 --> 02:25:59,080 ON THE NEXT MOVIE, HERE YOU SEE 4003 02:26:04,480 --> 02:26:06,440 THE ORGANOID AND SOMEHOW THEY 4004 02:26:06,440 --> 02:26:08,640 BECOME EXTREMELY MOTILE AND THEY 4005 02:26:08,640 --> 02:26:10,080 ACTUALLY BECOME CANNIBAL, THEY 4006 02:26:10,080 --> 02:26:13,160 EAT HEALTHY -- EAT AND AFFECT 4007 02:26:13,160 --> 02:26:13,920 HEALTHY ORGANOIDS. 4008 02:26:13,920 --> 02:26:15,000 YOU CAN SEE HERE. 4009 02:26:15,000 --> 02:26:24,520 THERE'S ANOTHER MOVIE HERE. 4010 02:26:24,520 --> 02:26:26,040 THIS ONE HERE. 4011 02:26:26,040 --> 02:26:29,240 YOU SEE THE FIRST IN RED, THE 4012 02:26:29,240 --> 02:26:35,760 FIRST RSV INFECTED ORGANOIDS, WE 4013 02:26:35,760 --> 02:26:37,520 ALSO SEE HUMAN LUNGS, THE 4014 02:26:37,520 --> 02:26:39,080 AFFECTED EPITHELIAL CELLS, 4015 02:26:39,080 --> 02:26:42,120 ORGANOIDS CONSIST ENTIRELY OF 4016 02:26:42,120 --> 02:26:43,120 EPITHELIAL CELLS, THEY VERY 4017 02:26:43,120 --> 02:26:45,600 RAPIDLY UNDERGO VMT AND WE 4018 02:26:45,600 --> 02:26:46,960 OBSERVE NOW IN THE LUNGS OF 4019 02:26:46,960 --> 02:26:49,560 INFECTED PATIENTS THAT THESE 4020 02:26:49,560 --> 02:26:50,800 CELLS HELP SPREAD THE VIRUS. 4021 02:26:50,800 --> 02:26:52,840 THE VIRUS HIDES INSIDE THESE 4022 02:26:52,840 --> 02:26:53,720 CELLS, WE BELIEVE, AND THEY 4023 02:26:53,720 --> 02:26:55,240 TRAVEL THROUGH THE AIRWAYS. 4024 02:26:55,240 --> 02:26:58,200 ANOTHER THING YOU CAN DO IS NOW 4025 02:26:58,200 --> 02:27:00,720 COINCUBATE WITH NEW CELLS AND 4026 02:27:00,720 --> 02:27:03,560 THESE ARE LYMPHOCYTE, NOTHING 4027 02:27:03,560 --> 02:27:04,880 MUCH HAPPENS WHEN WE DON'T 4028 02:27:04,880 --> 02:27:06,400 INFECT AND ON THE RIGHT, WE 4029 02:27:06,400 --> 02:27:07,520 TRACE INDIVIDUAL CELLS AND THEY 4030 02:27:07,520 --> 02:27:09,120 DON'T DO MUCH AS YOU CAN SEE. 4031 02:27:09,120 --> 02:27:11,000 BUT IF YOU INFECT THEM AGAIN BUT 4032 02:27:11,000 --> 02:27:13,600 NOW WITH A GREEN RSV VIRUS, YOU 4033 02:27:13,600 --> 02:27:15,160 CAN SEE THE MOMENT THEY GET 4034 02:27:15,160 --> 02:27:16,720 INFECTED, THE ORGANOIDS BECOME 4035 02:27:16,720 --> 02:27:20,000 EXTREMELY INTERESTING FOR THE 4036 02:27:20,000 --> 02:27:24,120 IMMUNE CELLS, THEY SE SECRETE 4037 02:27:24,120 --> 02:27:26,320 CERTAIN CHEMOKINES, THAT THEY 4038 02:27:26,320 --> 02:27:27,840 ATTRACT THE LYMPHOCYTES. 4039 02:27:27,840 --> 02:27:31,240 SO ONE CAN BUILD VIRAL -- IN 4040 02:27:31,240 --> 02:27:33,880 THESE ORGANOIDS BUT ON TOP OF 4041 02:27:33,880 --> 02:27:36,600 THAT, ONE CAN -- IMMUNE CELLS. 4042 02:27:36,600 --> 02:27:38,560 FINALLY, A SLIGHTLY LONGER STORY 4043 02:27:38,560 --> 02:27:40,320 THAT WILL BE PUBLISHED AT THE 4044 02:27:40,320 --> 02:27:42,840 BEGINNING OF THE PANDEMIC, WHEN 4045 02:27:42,840 --> 02:27:44,280 OUR INSTITUTE CLOSED DOWN, I 4046 02:27:44,280 --> 02:27:46,320 SHOULD SAY THAT ALL OF THIS 4047 02:27:46,320 --> 02:27:47,040 ACTUALLY COMES FROM THE 4048 02:27:47,040 --> 02:27:48,960 INSTITUTE WHERE I STILL ADVISE 4049 02:27:48,960 --> 02:27:50,800 MY ACADEMIC LAB. 4050 02:27:50,800 --> 02:27:54,640 NOT FROM -- SO HERE YOU SEE ACE 4051 02:27:54,640 --> 02:27:55,600 2 EXPRESSION IN THE GUT. 4052 02:27:55,600 --> 02:27:57,200 WE REALIZE THAT ACE 2, WHEN IT 4053 02:27:57,200 --> 02:28:00,000 WAS PUBLISHED TO BE THE RECEPTOR 4054 02:28:00,000 --> 02:28:01,760 FOR SARS-COV-2 2 IS EXTREMELY 4055 02:28:01,760 --> 02:28:03,920 HIGHLY EXPRESSED IN THE SMALL 4056 02:28:03,920 --> 02:28:04,240 INTESTINES. 4057 02:28:04,240 --> 02:28:05,360 THESE ARE VILLI OF THE SMALL 4058 02:28:05,360 --> 02:28:07,040 INTESTINE THAT YOU SAW EARLIER 4059 02:28:07,040 --> 02:28:08,440 IN THE ANIMATION. 4060 02:28:08,440 --> 02:28:09,840 MUCH HIGHER ACTUALLY THAN IN THE 4061 02:28:09,840 --> 02:28:10,840 RESPIRATORY TRACT, AND THERE'S 4062 02:28:10,840 --> 02:28:12,080 ALSO SOME INDICATIONS THAT THE 4063 02:28:12,080 --> 02:28:14,960 VIRUS NOT ONLY HIT LUNGS, THERE 4064 02:28:14,960 --> 02:28:18,160 ARE GI ESTIMATES, QUITE COMMON. 4065 02:28:18,160 --> 02:28:20,320 NAUSEA, STOMACH ACHES, DIARRHEA, 4066 02:28:20,320 --> 02:28:23,520 AND ALSO WHEN THE FIRST PCR 4067 02:28:23,520 --> 02:28:27,600 ASSAYS BECAME AVAILABLE FOR SARS 4068 02:28:27,600 --> 02:28:30,960 COV-2, PEOPLE DETECT VIRAL RNA 4069 02:28:30,960 --> 02:28:31,280 IN STOOL. 4070 02:28:31,280 --> 02:28:33,160 CAN BE PRODUCED IN THE LUNG BUT 4071 02:28:33,160 --> 02:28:37,280 ALSO IN THE GUT. 4072 02:28:37,280 --> 02:28:41,680 SO WE GOT -- INFECTION OF EVERY 4073 02:28:41,680 --> 02:28:45,920 ORGANOID, CROW INTO EXPERTS, 4074 02:28:45,920 --> 02:28:49,240 MART LAMERS, BART HAAGMANS. 4075 02:28:49,240 --> 02:28:52,160 WE GET A -- INCREASE OF LIVE 4076 02:28:52,160 --> 02:28:53,760 VIRUS PARTICLES, WE ALSO GET A 4077 02:28:53,760 --> 02:28:56,560 FOUR LOG INCREASE IN VIRAL RNA. 4078 02:28:56,560 --> 02:28:57,760 MUCH HIGHER THAN IN ANY OTHER 4079 02:28:57,760 --> 02:29:00,400 TISSUE THAT WE HAVE TESTED, ALSO 4080 02:29:00,400 --> 02:29:02,000 MUCH HIGHER, MUCH MORE 4081 02:29:02,000 --> 02:29:03,800 REPLICATION THAN IN THE AIRWAYS. 4082 02:29:03,800 --> 02:29:06,200 AND IF YOU FOLLOW THIS -- WE 4083 02:29:06,200 --> 02:29:07,840 STAIN IN WHITE FOR THE NUCLEAR 4084 02:29:07,840 --> 02:29:12,440 PROTEIN OF SARS-COV-2 2, SO SARS 4085 02:29:12,440 --> 02:29:14,240 ONE INFECTED ORGANOID AFTER 24 4086 02:29:14,240 --> 02:29:14,440 HOURS. 4087 02:29:14,440 --> 02:29:16,040 WE KNOW THE VIRUS HAS TO ENTER 4088 02:29:16,040 --> 02:29:19,440 FROM THE LUMEN, ACE 2 IS A 4089 02:29:19,440 --> 02:29:20,600 LUMINAL PROTEIN, I'LL GET INTO 4090 02:29:20,600 --> 02:29:24,320 THAT A LITTLE BIT LATER, AND 4091 02:29:24,320 --> 02:29:26,560 ALSO ARE AS EXPECTED THE VIRUS 4092 02:29:26,560 --> 02:29:29,040 ENTERS THE CELL FROM THE LUMEN, 4093 02:29:29,040 --> 02:29:30,560 ONCE IT'S REPLICATED, IT'S 4094 02:29:30,560 --> 02:29:31,720 RELEASED AGAIN INTO THE LUMEN OF 4095 02:29:31,720 --> 02:29:35,600 THE GUT, AND THE SAME THING WILL 4096 02:29:35,600 --> 02:29:36,800 HAPPEN IN THE RESPIRATORY TRACT. 4097 02:29:36,800 --> 02:29:38,320 IF WE WAIT THREE DAYS OR SO, WE 4098 02:29:38,320 --> 02:29:42,400 NOW SEE THAT IN AN AFFECTED 4099 02:29:42,400 --> 02:29:43,680 ORGANOID, ALMOST EVERY CELL IS 4100 02:29:43,680 --> 02:29:45,440 EFFECTED BUT THE NEARBY 4101 02:29:45,440 --> 02:29:50,080 ORGANOIDS DO NOT GET AIIVETTED , 4102 02:29:50,080 --> 02:29:51,720 IT GETS EXTRUDED INTO THE LUMENS 4103 02:29:51,720 --> 02:29:53,560 AND CANNOT ESCAPE TO AFFECT 4104 02:29:53,560 --> 02:29:54,240 ANOTHER ORGANOID. 4105 02:29:54,240 --> 02:29:54,800 SO THIS WORKS. 4106 02:29:54,800 --> 02:29:59,160 WE DID A LOT OF SINGLE CELL 4107 02:29:59,160 --> 02:30:02,120 SEQUENCING AND THINGS WITH 4108 02:30:02,120 --> 02:30:03,880 INTERFERON, THE VIRUS BLOCKS 4109 02:30:03,880 --> 02:30:04,560 INTERFERON RESPONSES. 4110 02:30:04,560 --> 02:30:06,360 THAT WAS NOT TOO INTERESTING. 4111 02:30:06,360 --> 02:30:07,920 WE THEN WENT ON TO STUDY HOSTS 4112 02:30:07,920 --> 02:30:09,320 THAT THE VIRUS IS USING. 4113 02:30:09,320 --> 02:30:11,320 OBVIOUSLY IT HAS SO FEW GENES 4114 02:30:11,320 --> 02:30:13,600 ITSELF THAT IT MUST RELY HEAVILY 4115 02:30:13,600 --> 02:30:15,680 ON HOST GENES. 4116 02:30:15,680 --> 02:30:20,160 THE FIRST THING IS KNOCK OUT -- 4117 02:30:20,160 --> 02:30:22,120 THESE ARE CLONAL ORGANOIDS SO WE 4118 02:30:22,120 --> 02:30:23,600 CONFIRM BY SEQUENCING THESE TWO 4119 02:30:23,600 --> 02:30:25,920 INDEPENDENT CLONES, WE HAVE A 4120 02:30:25,920 --> 02:30:28,720 NUMBER OF THESE WILD TYPE THAT 4121 02:30:28,720 --> 02:30:31,440 GETS HARD LIE AFFECTED WITH 4122 02:30:31,440 --> 02:30:33,600 SARS-COV-2, THE ACE 2 MUTANTS AS 4123 02:30:33,600 --> 02:30:34,800 EXPECTED DO NOT GET AFFECTED. 4124 02:30:34,800 --> 02:30:36,440 SO IT'S A GOOD CONTROL FOR WHAT 4125 02:30:36,440 --> 02:30:37,760 WE'RE TRYING TO DO HERE. 4126 02:30:37,760 --> 02:30:39,840 SARS, THE ORIGINAL VIRUS, IS 4127 02:30:39,840 --> 02:30:41,280 ALSO KNOWN TO USE ACE 2 AND 4128 02:30:41,280 --> 02:30:43,680 INDEED IT DOES NOT AFFECT WHEN 4129 02:30:43,680 --> 02:30:45,840 ACE 2 IS KNOCKED OUT. 4130 02:30:45,840 --> 02:30:51,000 MERS, A THIRD MEMBER OF THIS 4131 02:30:51,000 --> 02:30:51,880 CORONA DOESN'T CARE ABOUT THE 4132 02:30:51,880 --> 02:30:53,280 ABSENCE OF ACE 2 IN BLUE HERE 4133 02:30:53,280 --> 02:30:55,280 AND IT'S KNOWN TO USE ANOTHER 4134 02:30:55,280 --> 02:30:57,200 RECEPTOR, DPP4, AND INDEED WHEN 4135 02:30:57,200 --> 02:31:02,920 WE KNOCK OUT D PSM PP46789 NOWS 4136 02:31:02,920 --> 02:31:05,880 CANNOT INFECT BUT SARS-COV-2 4137 02:31:05,880 --> 02:31:10,240 2 CAN. 4138 02:31:10,240 --> 02:31:11,240 DPP4 -- WE CONFIRMED THAT FOR 4139 02:31:11,240 --> 02:31:12,200 THE GUT. 4140 02:31:12,200 --> 02:31:13,760 WHEN WE LOOK AT PUBLISHED 4141 02:31:13,760 --> 02:31:16,040 LITERATURE THERE ARE A NUMBER OF 4142 02:31:16,040 --> 02:31:16,720 GENOME-WIDE CRISPR SCREENS 4143 02:31:16,720 --> 02:31:18,000 REPORTED THAT HAVE COME UP WITH 4144 02:31:18,000 --> 02:31:19,440 DOZENS OF HUMAN GENES THAT WOULD 4145 02:31:19,440 --> 02:31:20,640 BE ESSENTIAL FOR VIRAL 4146 02:31:20,640 --> 02:31:21,080 REPLICATION. 4147 02:31:21,080 --> 02:31:23,720 WE KNOCKED OUT MOST OF THESE. 4148 02:31:23,720 --> 02:31:25,120 AGAIN, CLONAL, WE CONFIRM THAT 4149 02:31:25,120 --> 02:31:29,080 THEY CREATE NO ALLELES OF THESE 4150 02:31:29,080 --> 02:31:31,080 OR HOMOZYGOUS OF THESE GENES, 4151 02:31:31,080 --> 02:31:32,800 AND MUCH TO OUR SURPRISE, THE 4152 02:31:32,800 --> 02:31:35,120 ONLY GENE THAT WE CAN CONFIRM ON 4153 02:31:35,120 --> 02:31:38,480 TOP OF -- IN ADDITION TO ACE 4154 02:31:38,480 --> 02:31:42,760 2 IS TMPRSS2, SO THAT'S THE 4155 02:31:42,760 --> 02:31:44,800 SURFACE PROTEASE THAT CLEAVES 4156 02:31:44,800 --> 02:31:46,440 THE SPIKE PROTEIN AND ALLOWS THE 4157 02:31:46,440 --> 02:31:48,000 VIRUS THEN TO FUSE ITS ENVELOPE 4158 02:31:48,000 --> 02:31:49,760 WITH THE HOST MEMBRANE, BUT NONE 4159 02:31:49,760 --> 02:31:51,400 OF THESE OTHER GENES ACTUALLY 4160 02:31:51,400 --> 02:31:58,040 GAVE US ANY INHI INHIBITION Y 4161 02:31:58,040 --> 02:32:06,360 ANY INHIBITION. 4162 02:32:06,360 --> 02:32:09,960 ANOTHER OBSERVATION IS THAT 4163 02:32:09,960 --> 02:32:12,600 CHLOROQUINE, PROBABLY ALL OF 4164 02:32:12,600 --> 02:32:15,240 KNOW CHLOROQUINE, 4165 02:32:15,240 --> 02:32:16,560 HYDROXYCHLOROQUINE WERE VERY 4166 02:32:16,560 --> 02:32:17,840 POPULAR IN THE FIRST YEAR OR SO 4167 02:32:17,840 --> 02:32:21,960 OF THE PANDEMIC FOR SARS-COV-2 4168 02:32:21,960 --> 02:32:22,640 PATIENTS. 4169 02:32:22,640 --> 02:32:24,960 INDEED WE CAN REPRODUCE THAT IN 4170 02:32:24,960 --> 02:32:27,680 VERO E6 CELLS, AFRICAN MONKEY 4171 02:32:27,680 --> 02:32:28,800 CELLS FROM THE KIDNEY, THAT WHEN 4172 02:32:28,800 --> 02:32:30,640 YOU LOOK AT THEM LOOK MORE LIKE 4173 02:32:30,640 --> 02:32:31,000 FIBROBLASTS. 4174 02:32:31,000 --> 02:32:33,160 YOU TYPICALLY HAVE TO TRANSFECT 4175 02:32:33,160 --> 02:32:34,640 IN ACE 2 TO MAKE THEM RECEPTIVE 4176 02:32:34,640 --> 02:32:36,240 TO THE VIRUS. 4177 02:32:36,240 --> 02:32:39,600 BUT WHEN YOU DO THAT, YOU THEN 4178 02:32:39,600 --> 02:32:42,240 EFFECT WITH THE VIRUS AND ADD 4179 02:32:42,240 --> 02:32:43,760 CHLOROQUINE, CHLOROQUINE NICELY 4180 02:32:43,760 --> 02:32:46,960 BLOCKS INFECTION WITH AN IC50 OF 4181 02:32:46,960 --> 02:32:48,560 ONE MICROMOLAR AND 10 4182 02:32:48,560 --> 02:32:50,560 MICROMOLAR, VIRAL REPLICATION IS 4183 02:32:50,560 --> 02:32:51,880 ENTIRELY DEAD. 4184 02:32:51,880 --> 02:32:54,960 IF YOU NOTE THE SAME AMOUNT OF 4185 02:32:54,960 --> 02:32:55,800 CHLOROQUINE OR 4186 02:32:55,800 --> 02:32:57,120 HYDROXYCHLOROQUINE AND ADD TO AN 4187 02:32:57,120 --> 02:32:58,200 ORGANOID CULTURE, WE SEE NO 4188 02:32:58,200 --> 02:33:00,000 EFFECT WHATSOEVER, SO GREEN IS 4189 02:33:00,000 --> 02:33:04,360 THE WILD TYPE, BLUE IS THE 4190 02:33:04,360 --> 02:33:05,840 CHLOROQUINE-TREATED ORGANOID, SO 4191 02:33:05,840 --> 02:33:08,320 10 MICROMOLAR, NO EFFECT, IN 4192 02:33:08,320 --> 02:33:09,920 VERY SICK CELLS YOU HAVE FULL 4193 02:33:09,920 --> 02:33:10,200 BLOCKADE. 4194 02:33:10,200 --> 02:33:12,000 HOW TO EXPLAIN THIS, THERE ARE 4195 02:33:12,000 --> 02:33:14,400 OTHER PAPERS THAT SHOW THE SAME 4196 02:33:14,400 --> 02:33:15,360 PHENOMENA. 4197 02:33:15,360 --> 02:33:16,720 WHAT WE THINK IS HAPPENING IN 4198 02:33:16,720 --> 02:33:18,480 THESE NON-PRIMARY EPITHELIAL 4199 02:33:18,480 --> 02:33:21,200 CELLS THAT ARE OFTEN USED IN 4200 02:33:21,200 --> 02:33:22,320 VIROLOGY LABS IS THAT THE VIRUS 4201 02:33:22,320 --> 02:33:23,840 WILL BIND TO ACE 2 IF IT'S 4202 02:33:23,840 --> 02:33:24,360 PRESENT. 4203 02:33:24,360 --> 02:33:28,960 IT THEN GETS ENDO CYTOSED INTO 4204 02:33:28,960 --> 02:33:31,160 THE CELL AND FINALLY WHEN THE 4205 02:33:31,160 --> 02:33:32,240 RNA GENOME NEEDS TO BE RELEASED 4206 02:33:32,240 --> 02:33:35,760 FROM THIS PARTICLE HERE, THIS 4207 02:33:35,760 --> 02:33:37,160 INVOLVES THE CATH EP SINS THAT I 4208 02:33:37,160 --> 02:33:37,920 JUST SHOWED. 4209 02:33:37,920 --> 02:33:41,680 OF COURSE ENDO CYTOSIS IS 4210 02:33:41,680 --> 02:33:43,080 HIGHLY -- TO CHLOROQUINE AND 4211 02:33:43,080 --> 02:33:48,440 WOULD ALSO BE HIGHLY SENSITIVE 4212 02:33:48,440 --> 02:33:50,400 TO -- YOU HAVE AIRWAYS OR 4213 02:33:50,400 --> 02:33:53,240 INTESTINAL TRACT BUT ALSO 4214 02:33:53,240 --> 02:33:55,200 ORGANOIDS AND INTESTINAL TRACT 4215 02:33:55,200 --> 02:33:56,640 ORGANOIDS IS THERE'S A REAL 4216 02:33:56,640 --> 02:33:58,280 APICAL DOMAIN WHERE NATURALLY 4217 02:33:58,280 --> 02:33:59,800 ACE 2 IS EXPRESSED SO THE VIRUS 4218 02:33:59,800 --> 02:34:01,560 BINDS. 4219 02:34:01,560 --> 02:34:02,640 NATURALLY ALSO MOST -- CAN BE 4220 02:34:02,640 --> 02:34:04,720 KNOCKED OUT ALL -- THEY DO 4221 02:34:04,720 --> 02:34:09,320 NOTHING, IT'S ONLY TMPRSS2 THAT 4222 02:34:09,320 --> 02:34:12,040 HAS THAT EFFECT, THAT ACTUALLY 4223 02:34:12,040 --> 02:34:14,080 CLEAVE AND -- THE VIRAL ENVELOPE 4224 02:34:14,080 --> 02:34:15,240 DIRECTLY FUSES WITH THE HOST 4225 02:34:15,240 --> 02:34:17,720 MEMBRANE, THE VIRUS INFECTS ITS 4226 02:34:17,720 --> 02:34:19,160 RNA GENOME INTO THE HOST CELL 4227 02:34:19,160 --> 02:34:20,360 AND INFECTION IS STARTED. 4228 02:34:20,360 --> 02:34:24,400 THERE'S NO ENDO CYTOSIS UPON 4229 02:34:24,400 --> 02:34:25,720 INFECTION OF THE PRIMARY 4230 02:34:25,720 --> 02:34:28,240 EPITHELIAL CELL AND NO 4231 02:34:28,240 --> 02:34:29,680 SENSITIVITY TO HYDROXYCOLOR KIN. 4232 02:34:29,680 --> 02:34:32,280 SO LESSON TO BE LEARNED HERE IS 4233 02:34:32,280 --> 02:34:35,120 IT MAY BE GOOD TO INVOLVE 4234 02:34:35,120 --> 02:34:36,560 ORGANOIDS IN ADDITION TO THE 4235 02:34:36,560 --> 02:34:37,640 MORE EASY TO WORK WITH CELL 4236 02:34:37,640 --> 02:34:40,400 LINES IF I WANT TO STEP FROM 4237 02:34:40,400 --> 02:34:42,040 OBSERVATION IN THE LAB INTO THE 4238 02:34:42,040 --> 02:34:42,520 CLINIC. 4239 02:34:42,520 --> 02:34:44,840 AND WITH THAT, I THINK I NAMED 4240 02:34:44,840 --> 02:34:46,280 THE IMPORTANT INVESTIGATORS 4241 02:34:46,280 --> 02:34:47,680 ALREADY, COLLABORATORS ALREADY, 4242 02:34:47,680 --> 02:34:51,440 AND OF COURSE 4243 02:34:51,440 --> 02:34:52,480 THAT ENDS MY TALK, I THANK YOU 4244 02:34:52,480 --> 02:34:53,960 VERY MUCH FOR YOUR ATTENTION AND 4245 02:34:53,960 --> 02:34:55,040 I'LL STOP HERE AND GIVE THE 4246 02:34:55,040 --> 02:34:56,440 FLOOR BACK TO MARC. 4247 02:34:56,440 --> 02:34:58,200 >> THANKS, HANS. 4248 02:34:58,200 --> 02:34:58,720 BEAUTIFUL PRESENTATION. 4249 02:34:58,720 --> 02:35:01,080 I THINK WE ACTUALLY HAVE TIME -- 4250 02:35:01,080 --> 02:35:02,560 WE'RE AHEAD OF SCHEDULE. 4251 02:35:02,560 --> 02:35:05,960 THERE'S A QUESTION ON THE CHAT 4252 02:35:05,960 --> 02:35:08,800 FOR YOU THAT SAYS THE VIDEO OF 4253 02:35:08,800 --> 02:35:12,200 THE RSV TOMATO-INFECTED 3D 4254 02:35:12,200 --> 02:35:14,840 ORGANOIDS LOOKS REALLY NICE. 4255 02:35:14,840 --> 02:35:17,040 WHICH MODEL OF MICROSCOPE DO YOU 4256 02:35:17,040 --> 02:35:20,280 USE FOR LIGHT IMAGING? 4257 02:35:20,280 --> 02:35:22,400 I GUESS WE KNOW SOME OF THESE 4258 02:35:22,400 --> 02:35:29,200 ORGANOIDS ARE HARD TO IMAGE. 4259 02:35:29,200 --> 02:35:33,760 RAPID LOW ENERGY CON FOCALS BUT 4260 02:35:33,760 --> 02:35:37,600 I DON'T KNOW HOW THIS MOVIE WAS 4261 02:35:37,600 --> 02:35:38,840 MADE. 4262 02:35:38,840 --> 02:35:39,560 >> GREAT. 4263 02:35:39,560 --> 02:35:40,560 THANKS SO MUCH, HANS. 4264 02:35:40,560 --> 02:35:41,200 APPRECIATE IT. 4265 02:35:41,200 --> 02:35:42,400 HANS, I BELIEVE YOU WON'T BE 4266 02:35:42,400 --> 02:35:44,600 ABLE TO BE IN THE QUESTION AND 4267 02:35:44,600 --> 02:35:45,400 ANSWERS, I DON'T KNOW HOW LONG 4268 02:35:45,400 --> 02:35:45,800 YOU CAN STAY. 4269 02:35:45,800 --> 02:35:46,920 >> I HAVE TO APOLOGIZE. 4270 02:35:46,920 --> 02:35:48,320 I HAVE TO STEP OUT IN A FEW 4271 02:35:48,320 --> 02:35:48,560 MINUTES. 4272 02:35:48,560 --> 02:35:49,200 >> YEAH. 4273 02:35:49,200 --> 02:35:50,720 SO THERE'S A FEW QUESTIONS YOU 4274 02:35:50,720 --> 02:35:53,360 CAN TAKE IF YOU HAVE TIME 4275 02:35:53,360 --> 02:35:54,240 OFFLINE. 4276 02:35:54,240 --> 02:35:59,800 BUT WE'LL CONTINUE NOW, AND THE 4277 02:35:59,800 --> 02:36:01,920 NEXT SPEAKER IS PROFESSOR LINDA 4278 02:36:01,920 --> 02:36:03,440 GRIFFITH. 4279 02:36:03,440 --> 02:36:06,560 SHE IS MIT SCHOOL OF ENGINEERING 4280 02:36:06,560 --> 02:36:07,920 TEACHING INNOVATION PROFESSOR OF 4281 02:36:07,920 --> 02:36:09,760 BIOLOGICAL AND MECHANICAL 4282 02:36:09,760 --> 02:36:12,480 ENGINEERING, AND DIRECTOR OF THE 4283 02:36:12,480 --> 02:36:14,680 CENTER FOR GYNEPATHOLOGY 4284 02:36:14,680 --> 02:36:16,200 RESEARCH AT MIT, WHICH IS AN 4285 02:36:16,200 --> 02:36:17,400 INSTITUTE THAT FOSTERS BOTH 4286 02:36:17,400 --> 02:36:19,920 BASIC AND CLINICAL RESEARCH IN 4287 02:36:19,920 --> 02:36:21,240 PATHOLOGIES OF THE FEMALE 4288 02:36:21,240 --> 02:36:23,000 REPRODUCTIVE TRACT. 4289 02:36:23,000 --> 02:36:26,480 AND SHE'S A MEMBER OF THE 4290 02:36:26,480 --> 02:36:27,800 NATIONAL ACADEMY OF ENGINEERS, 4291 02:36:27,800 --> 02:36:29,680 NATIONAL ACADEMY OF MEDICINE, 4292 02:36:29,680 --> 02:36:31,480 NATIONAL ACADEMY OF INVENTORS, A 4293 02:36:31,480 --> 02:36:33,480 IF LOW OF THE AMERICAN ACADEMY 4294 02:36:33,480 --> 02:36:35,320 OF ARTS AND SCIENCE. 4295 02:36:35,320 --> 02:36:38,160 SHE WAS A RECIPIENT OF THE 4296 02:36:38,160 --> 02:36:42,120 MACARTHUR FOUNDATION FELLOWSHIP. 4297 02:36:42,120 --> 02:36:43,880 AND THE GRIFFITH LAB HAS BEEN A 4298 02:36:43,880 --> 02:36:45,280 PIONEER IN USING TISSUE 4299 02:36:45,280 --> 02:36:49,880 ENGINEERING AND BIOMATERIALS 4300 02:36:49,880 --> 02:36:51,840 TECHNOLOGIES FOR REGENERATIVE 4301 02:36:51,840 --> 02:36:53,200 MEDICINE, DRUG DEVELOPMENT AND 4302 02:36:53,200 --> 02:36:54,240 UNDERSTANDING DISEASE 4303 02:36:54,240 --> 02:36:58,440 PATHOPHYSIOLOGY. 4304 02:36:58,440 --> 02:37:05,680 LINDA, THE FLOOR IS YOURS. 4305 02:37:05,680 --> 02:37:12,320 >> THANK YOU. 4306 02:37:12,320 --> 02:37:19,840 LET ME SHARE MY SCREEN. 4307 02:37:19,840 --> 02:37:22,720 SO I'M GOING TO SHARE WITH YOU A 4308 02:37:22,720 --> 02:37:25,120 VERY USEFUL TOOL, SO THERE'S ONE 4309 02:37:25,120 --> 02:37:27,640 MAIN THEME OF MY WORK, BUT I'M 4310 02:37:27,640 --> 02:37:30,440 GOING TO PUT AROUND THE 4311 02:37:30,440 --> 02:37:31,640 PRESENTATION THAT THE CONTEXT 4312 02:37:31,640 --> 02:37:34,400 FOR WHICH WE DEVELOPED THIS 4313 02:37:34,400 --> 02:37:34,720 TOOL. 4314 02:37:34,720 --> 02:37:38,680 SO BY WAY OF INTRODUCTION, JUST 4315 02:37:38,680 --> 02:37:40,520 BIG CONTEXT FOR MY LAB, WE'VE 4316 02:37:40,520 --> 02:37:43,920 BEEN INVOLVES IN ORGANS ON A 4317 02:37:43,920 --> 02:37:47,480 CHIP WORK SINCE THE BEGINNING OF 4318 02:37:47,480 --> 02:37:48,400 THE 1990s DEVELOPING VARIOUS 4319 02:37:48,400 --> 02:37:51,160 KINDS OF MODELS, AND AN 4320 02:37:51,160 --> 02:37:52,240 OVERARCHING CHALLENGE THAT WE 4321 02:37:52,240 --> 02:37:55,200 ADDRESS IN OUR WORK IS THE NEED 4322 02:37:55,200 --> 02:38:00,360 TO USE DEVICES THAT DO NOT 4323 02:38:00,360 --> 02:38:01,080 ABSORB LIPOPHILIC COMPOUNDS. 4324 02:38:01,080 --> 02:38:02,400 SO I'M SHOWING YOU A PROJECT WE 4325 02:38:02,400 --> 02:38:04,600 DID WITH DARPA SPONSORSHIP TO 4326 02:38:04,600 --> 02:38:05,880 PUT 10 ORGANS TOGETHER ON A CHIP 4327 02:38:05,880 --> 02:38:10,280 FOR A MONTH, AND THE REASON TO 4328 02:38:10,280 --> 02:38:11,840 SHOW THIS CHIP IS NOT THAT CUTE 4329 02:38:11,840 --> 02:38:13,520 AND ATTRACTIVE, BUT IT IS VERY, 4330 02:38:13,520 --> 02:38:16,200 VERY GOOD FOR PHARMACOKINETICS. 4331 02:38:16,200 --> 02:38:17,760 AND MY MAIN RESEARCH INTERESTS 4332 02:38:17,760 --> 02:38:20,760 ARE IN INFLAMMATION, SO RELEVANT 4333 02:38:20,760 --> 02:38:21,440 TO VIRUSES. 4334 02:38:21,440 --> 02:38:22,640 SO THE TOOLS I'M GOING TO TALK 4335 02:38:22,640 --> 02:38:25,160 ABOUT TODAY ARE MAINLY VALUABLE, 4336 02:38:25,160 --> 02:38:28,120 I THINK IN THIS COMMUNITY, 4337 02:38:28,120 --> 02:38:29,640 BECAUSE WE CAN CAPTURE 4338 02:38:29,640 --> 02:38:30,600 INFLAMMATORY EVENTS THAT ARE 4339 02:38:30,600 --> 02:38:32,600 REGULATED BY A LOT OF THINGS, 4340 02:38:32,600 --> 02:38:34,040 INCLUDING STEROID HORMONES, 4341 02:38:34,040 --> 02:38:35,760 WHICH ABSORB INTO PDMS. 4342 02:38:35,760 --> 02:38:37,440 SO AFTER THE BIG DARPA PROJECT, 4343 02:38:37,440 --> 02:38:39,600 WE'VE GONE ON TO DO A NUMBER OF 4344 02:38:39,600 --> 02:38:42,680 PROJECTS WITH THAT PLATFORM, 4345 02:38:42,680 --> 02:38:45,080 MAINLY MARTIN TRAPECAR, POSTDOC 4346 02:38:45,080 --> 02:38:46,680 LOOKING AT INFLAMMATION BETWEEN 4347 02:38:46,680 --> 02:38:48,320 THE GUT, LIVER AND BRAIN AND HOW 4348 02:38:48,320 --> 02:38:50,120 THAT'S MODULATED WITH SHORT 4349 02:38:50,120 --> 02:38:51,440 CHAIN FATTY ACIDS. 4350 02:38:51,440 --> 02:38:54,040 AGAIN, THAT PLATFORM IS NOT 4351 02:38:54,040 --> 02:38:55,440 HIGH-THROUGHPUT, IT'S NOT 4352 02:38:55,440 --> 02:38:58,160 INCREDIBLY PORTABLE TO OTHER 4353 02:38:58,160 --> 02:38:59,280 LABS, ALTHOUGH OTHER LABS HAVE 4354 02:38:59,280 --> 02:39:00,720 USED IT, BUT IT DOES HAVE THE 4355 02:39:00,720 --> 02:39:04,520 VALUE OF CAPTURING COMPLEX 4356 02:39:04,520 --> 02:39:06,400 ORGAN-ORGAN CROSSTALK AND 4357 02:39:06,400 --> 02:39:07,400 INFLAMMATION SO IT DOES HAVE 4358 02:39:07,400 --> 02:39:08,120 RELEVANCE FOR INFECTION. 4359 02:39:08,120 --> 02:39:10,000 NOW ALL OF THIS WORK SPARCED US 4360 02:39:10,000 --> 02:39:13,280 IN RECENT YEARS TO DO TWO BIG 4361 02:39:13,280 --> 02:39:14,520 THINGS, AND THAT IS TO DEVELOP 4362 02:39:14,520 --> 02:39:17,240 BETTER MODELS OF THE FISH TIS 4363 02:39:17,240 --> 02:39:18,960 THEMSELVES USING ORGANOIDS, SO 4364 02:39:18,960 --> 02:39:20,720 IT'S GREAT TO HAVE HANS AHEAD OF 4365 02:39:20,720 --> 02:39:24,000 ME, AND SECONDLY, TO PUSH REALLY 4366 02:39:24,000 --> 02:39:27,520 HARD TO MAKE BETTER DEVICES, 4367 02:39:27,520 --> 02:39:28,720 PARTICULARLY ONES THAT ARE 4368 02:39:28,720 --> 02:39:29,360 VASCULARIZED. 4369 02:39:29,360 --> 02:39:31,120 AND WE DO THIS IN THE CONTEXT OF 4370 02:39:31,120 --> 02:39:34,960 A DISEASE CALLED ENDOMETRIOSIS, 4371 02:39:34,960 --> 02:39:36,600 WHICH IS A COMPLEX INFLAMMATORY 4372 02:39:36,600 --> 02:39:38,320 DISEASE CHARACTERIZED BY ECTOPIC 4373 02:39:38,320 --> 02:39:40,320 GROWTH OF ENDOMETRIUM, WHICH IS 4374 02:39:40,320 --> 02:39:41,520 THE LINING OF THE UTERUS, SO YOU 4375 02:39:41,520 --> 02:39:44,240 CAN SEE HERE THESE LESIONS, THEY 4376 02:39:44,240 --> 02:39:46,320 CAN BECOME VERY INVASIVE, INVADE 4377 02:39:46,320 --> 02:39:47,360 THROUGH THE DIAPHRAGM AND GET TO 4378 02:39:47,360 --> 02:39:48,400 THE LUNGS. 4379 02:39:48,400 --> 02:39:50,800 THEY'RE BEAUTIFUL CYSTIC-LIKE 4380 02:39:50,800 --> 02:39:51,920 STRUCTURES, SINGLE EPITHELIUM, 4381 02:39:51,920 --> 02:39:55,040 JUST LIKE IN THE END ENDOMETR. 4382 02:39:55,040 --> 02:39:58,240 WHY IT CAN IB INVADE A MUSCLES 4383 02:39:58,240 --> 02:39:59,320 ANYBODY'S GUESS RIGHT NOW, BUT 4384 02:39:59,320 --> 02:40:01,160 IT DOES FORM THE CONTEXT FOR THE 4385 02:40:01,160 --> 02:40:01,840 ORGANOID WORK WE DO. 4386 02:40:01,840 --> 02:40:04,480 WHEN WE CAME IN THE FIELD, A 4387 02:40:04,480 --> 02:40:08,200 CONTRIBUTION WE MADE WAS TO 4388 02:40:08,200 --> 02:40:10,400 START EFFORTS TO DO MOLECULAR 4389 02:40:10,400 --> 02:40:11,200 STRATIFICATION OF THE DISEASE ON 4390 02:40:11,200 --> 02:40:13,600 THE BASIS OF INFLAMMATORY AND 4391 02:40:13,600 --> 02:40:14,440 INNOVATION SIGNATURES. 4392 02:40:14,440 --> 02:40:16,520 THERE'S NOT GREAT GENETICS FOR 4393 02:40:16,520 --> 02:40:18,280 THIS DISEASE, UNLIKE CANCER, 4394 02:40:18,280 --> 02:40:19,920 THERE AREN'T SOMATIC MUTATIONS, 4395 02:40:19,920 --> 02:40:22,680 SO WE HAVE BEEN INVESTIGATING 4396 02:40:22,680 --> 02:40:27,320 THE INFLAMMATION SIGNATURES IN 4397 02:40:27,320 --> 02:40:33,280 THE EU TO PICK TOPIC TISSUE. 4398 02:40:33,280 --> 02:40:36,560 ALL OF THEM HAVE FEATURES OF THE 4399 02:40:36,560 --> 02:40:38,080 EPITHELIAL, STROH MOLE AND 4400 02:40:38,080 --> 02:40:39,600 IMMUNE INTERACTIONS THAT ARE 4401 02:40:39,600 --> 02:40:39,960 ARRANGED. 4402 02:40:39,960 --> 02:40:41,280 I WANT TO FOCUS MORE ON THE 4403 02:40:41,280 --> 02:40:44,000 TOOLS BUT THIS IS REALLY 4404 02:40:44,000 --> 02:40:47,240 IMPORTANT CONTEXT. 4405 02:40:47,240 --> 02:40:48,600 A FIRST THING WE DID WAS A STUDY 4406 02:40:48,600 --> 02:40:50,320 IN ABOUT A HUNDRED WOMEN, WE 4407 02:40:50,320 --> 02:40:52,440 SHOWED THAT PERITONEAL FLUID HAD 4408 02:40:52,440 --> 02:40:54,280 SIGNATURES THAT ALLOWED A 4409 02:40:54,280 --> 02:40:56,360 MOLECULAR CLASSIFICATION OF 4410 02:40:56,360 --> 02:40:58,440 ABOUT A THIRD OF THE PATIENTS 4411 02:40:58,440 --> 02:41:03,280 WHO HAD ALL THE SURGICAL DISEASE 4412 02:41:03,280 --> 02:41:04,280 STAGES, AND WE USED THIS 4413 02:41:04,280 --> 02:41:05,720 MOLECULAR SIGNATURES WITH 4414 02:41:05,720 --> 02:41:07,000 BIOINFORMATICS TO PREDICT THAT A 4415 02:41:07,000 --> 02:41:08,560 CERTAIN KIND OF MACROPHAGE WAS 4416 02:41:08,560 --> 02:41:12,480 MAKING THESE CYTOKINES AND THAT 4417 02:41:12,480 --> 02:41:13,880 JUN KINASE WAS REGULATING IT. 4418 02:41:13,880 --> 02:41:15,200 FIRST TIME THERE WAS A REAL DRUG 4419 02:41:15,200 --> 02:41:16,840 TARGET THAT WASN'T A HORMONE. 4420 02:41:16,840 --> 02:41:18,480 JUN KINASE WAS ALSO IMPLICATED 4421 02:41:18,480 --> 02:41:21,360 IN AN INNOVATION STUDY WE DID, 4422 02:41:21,360 --> 02:41:23,440 COMBINING IN VITRO MODELS AND IN 4423 02:41:23,440 --> 02:41:25,160 VIVO SAMPLE, SO WE BECAME VERY 4424 02:41:25,160 --> 02:41:26,600 INTERESTED IN THIS AS A DRUG 4425 02:41:26,600 --> 02:41:27,800 TARGET AND WE LEARNED THAT THERE 4426 02:41:27,800 --> 02:41:30,640 HAD BEEN A CLINICAL TRIAL THAT 4427 02:41:30,640 --> 02:41:32,680 HAD FAILED BASED ON GREAT 4428 02:41:32,680 --> 02:41:34,760 PRE-CLINICAL DATA. 4429 02:41:34,760 --> 02:41:36,640 SO IN TALKING TO PHARMA, THEY 4430 02:41:36,640 --> 02:41:37,840 SAID WE NEED BETTER MODELS. 4431 02:41:37,840 --> 02:41:39,280 SO THIS IS REALLY WHERE I WANT 4432 02:41:39,280 --> 02:41:39,800 TO FOCUS. 4433 02:41:39,800 --> 02:41:42,320 SO TOGETHER WITH OUR WONDERFUL 4434 02:41:42,320 --> 02:41:43,120 CLINICAL COLLABORATORS, WE GET 4435 02:41:43,120 --> 02:41:45,360 SAMPLES FROM PATIENTS, AND BUILD 4436 02:41:45,360 --> 02:41:48,560 TISSUE BANKS, AND THESE ARE WELL 4437 02:41:48,560 --> 02:41:50,000 CLINICALLY PHENOTYPED PATIENTS. 4438 02:41:50,000 --> 02:41:52,360 AND OF COURSE THEN WE WANT TO 4439 02:41:52,360 --> 02:41:52,960 RECONSTRUCT AVATARS OF THE 4440 02:41:52,960 --> 02:41:55,240 PATIENTS THAT MAY LET US TEST 4441 02:41:55,240 --> 02:41:59,720 COMPLEX DISEASE MECHANISMS. 4442 02:41:59,720 --> 02:42:01,160 SO I'M GOING TO FOCUS HERE ON 4443 02:42:01,160 --> 02:42:02,880 BIDDING MODELS OF THE AIN'T 4444 02:42:02,880 --> 02:42:04,440 ACTIONS BETWEEN EPITHELIA, 4445 02:42:04,440 --> 02:42:06,480 STROMA AND IMMUNE CELLS AND 4446 02:42:06,480 --> 02:42:07,920 LATER VASCULAR TISSUE. 4447 02:42:07,920 --> 02:42:11,440 NOW EVERYTHING THAT HANS CLEVERS 4448 02:42:11,440 --> 02:42:12,720 JUST SPOKE ABOUT HAS BEEN 4449 02:42:12,720 --> 02:42:14,200 ENORMOUSLY ENABLING FOR LABS ALL 4450 02:42:14,200 --> 02:42:17,440 OVER THE WORLD WHO USE ANY KIND 4451 02:42:17,440 --> 02:42:20,280 OF MUCOSAL BARRIER TISSUES. 4452 02:42:20,280 --> 02:42:21,600 SHOWN BY TWO DIFFERENT GROUPS WE 4453 02:42:21,600 --> 02:42:24,440 WORKED WITH, THE TURCO, ET AL. 4454 02:42:24,440 --> 02:42:26,080 INVESTIGATORS, AND ALL THE 4455 02:42:26,080 --> 02:42:27,080 ENDOMETRIUM LABS AROUND THE 4456 02:42:27,080 --> 02:42:28,040 WORLD USE VERSIONS OF THESE. 4457 02:42:28,040 --> 02:42:29,240 NOW A HUGE PROBLEM AND SOMETHING 4458 02:42:29,240 --> 02:42:31,440 I WANT TO FOCUS ON, I THINK IS 4459 02:42:31,440 --> 02:42:33,280 USEFUL TO THE COMMUNITY, IS THAT 4460 02:42:33,280 --> 02:42:35,400 ALL OF THESE ORGANOIDS ARE 4461 02:42:35,400 --> 02:42:40,720 GENERALLY GROWN IN MAT RIGEL. 4462 02:42:40,720 --> 02:42:44,560 MOST GROW THEM IN -- CULTURE, 4463 02:42:44,560 --> 02:42:45,880 BUT ESPECIALLY FOR US BECAUSE 4464 02:42:45,880 --> 02:42:47,760 WE'RE TRYING TO BUILD COMPLEX 4465 02:42:47,760 --> 02:42:49,800 TISSUES, THE INTERACTIONS WITH 4466 02:42:49,800 --> 02:42:51,000 STROMAL AND IMMUNE CELLS ARE NOT 4467 02:42:51,000 --> 02:42:53,560 SO FAVORABLE. 4468 02:42:53,560 --> 02:42:55,000 IT ALSO HARD TO PUT IN DEVICES 4469 02:42:55,000 --> 02:42:56,320 AND DO ALL THE THINGS WE WANT TO 4470 02:42:56,320 --> 02:42:57,200 DO WITH TISSUE ENGINEERING. 4471 02:42:57,200 --> 02:42:59,280 SO WE UNDERTOOK A FAIRLY 4472 02:42:59,280 --> 02:43:01,960 COMPREHENSIVE EFFORT TO BUILD 4473 02:43:01,960 --> 02:43:02,680 SYNTHETIC HYDROGELS THAT COULD 4474 02:43:02,680 --> 02:43:05,440 BE USED FOR TISSUE ENGINEERING 4475 02:43:05,440 --> 02:43:07,200 OF THE MUCOSAL BARRIER 4476 02:43:07,200 --> 02:43:07,960 STRUCTURES AND THESE OF COURSE 4477 02:43:07,960 --> 02:43:09,680 ARE VERY IMPORTANT IN VIRUSES TO 4478 02:43:09,680 --> 02:43:10,880 INCLUDE IMMUNE CELLS PAUSE THE 4479 02:43:10,880 --> 02:43:12,080 INTERACTIONS WITH IMMUNE CELLS 4480 02:43:12,080 --> 02:43:13,320 OF COURSE ARE GOING TO DICTATE 4481 02:43:13,320 --> 02:43:17,280 WHAT HAPPENS. 4482 02:43:17,280 --> 02:43:19,680 WE INTRODUCED AN APPROACH 4483 02:43:19,680 --> 02:43:20,640 DECADES AGO USED ALL OVER THE 4484 02:43:20,640 --> 02:43:22,600 WORLD BUT WE CUSTOMIZED IT IN 4485 02:43:22,600 --> 02:43:23,800 VERY SPECIAL WAYS. 4486 02:43:23,800 --> 02:43:26,000 AT THE HEART OF THIS IS MULTIARM 4487 02:43:26,000 --> 02:43:29,400 PEGS MODIFIED WITH SMALL 4488 02:43:29,400 --> 02:43:33,320 PEPTIDES, WE TYPICALLY -- THESE 4489 02:43:33,320 --> 02:43:35,960 CAN BE BLADE INTO A GEL BY A. 4490 02:43:35,960 --> 02:43:38,480 PH CHANGE VERY SAFELY AROUND 4491 02:43:38,480 --> 02:43:38,920 CELLS. 4492 02:43:38,920 --> 02:43:40,120 WHAT WE DID THAT WAS SPECIAL AND 4493 02:43:40,120 --> 02:43:41,600 DRIVEN HUGELY BY OUR DESIRE TO 4494 02:43:41,600 --> 02:43:44,280 HAVE A MATRIX THAT THAT WOULT 4495 02:43:44,280 --> 02:43:46,240 NOT ONLY EPITHELIA BUT STROMA, 4496 02:43:46,240 --> 02:43:48,520 IMMUNE CELLS, VASCULAR CELLS, ET 4497 02:43:48,520 --> 02:43:51,720 CETERA, IS TO THINK ABOUT FIRST 4498 02:43:51,720 --> 02:43:52,680 THE INTERACTION CELLS WOULD HAVE 4499 02:43:52,680 --> 02:43:54,280 WHEN THEY'RE NAKED AND FIRST PUT 4500 02:43:54,280 --> 02:43:58,720 INTO THE GEL, THEY NEED TO 4501 02:43:58,720 --> 02:44:01,440 INTERACT WITH INTIGRINS TO 4502 02:44:01,440 --> 02:44:01,680 SURVIVE. 4503 02:44:01,680 --> 02:44:02,760 ONE OF THOSE THINGS THE DO 4504 02:44:02,760 --> 02:44:03,960 OBVIOUSLY IS TO DEPOSIT THEIR 4505 02:44:03,960 --> 02:44:06,040 OWN MATRIX AND REMODEL THEIR 4506 02:44:06,040 --> 02:44:06,680 MICROENVIRONMENT. 4507 02:44:06,680 --> 02:44:10,160 SO WE INCLUDE IN OUR GEL TWO 4508 02:44:10,160 --> 02:44:13,920 SPECIAL PEPTIDES THAT INTERACT. 4509 02:44:13,920 --> 02:44:15,560 I NOTE WE HAVE A DIFFERENT FORM 4510 02:44:15,560 --> 02:44:19,400 OF AN RGD INTERGREN. 4511 02:44:19,400 --> 02:44:22,560 A LOT OF FOLKS USE -- MOST CELLS 4512 02:44:22,560 --> 02:44:24,400 DOCTOR NORMAL CELLS DON'T HAVE 4513 02:44:24,400 --> 02:44:26,520 ALPHA B BETA 3 SO WE USE A 4514 02:44:26,520 --> 02:44:30,320 LIGAND THAT INTERACTS WITH OTHER 4515 02:44:30,320 --> 02:44:30,960 RGD INTERGRENS. 4516 02:44:30,960 --> 02:44:32,520 THEN WE ALSO HAVE PEPTIDES THAT 4517 02:44:32,520 --> 02:44:35,680 BIND TO EXTRACELLULAR MATRIX. 4518 02:44:35,680 --> 02:44:36,880 THAT CELLS THEMSELVES DEPOSIT. 4519 02:44:36,880 --> 02:44:39,080 SO WHERE THERE ARE FIBROBLASTS, 4520 02:44:39,080 --> 02:44:42,440 THE PROVISIONAL MATRIX OF 4521 02:44:42,440 --> 02:44:43,800 IVERMECTIN AS SHOWN HERE IS 4522 02:44:43,800 --> 02:44:46,400 STABILIZED SO CELLS CAN MAKE 4523 02:44:46,400 --> 02:44:48,280 MORE INTERACTIONS THROUGH THEIR 4524 02:44:48,280 --> 02:44:49,880 OWN DPOSTIVE MATRIX AND WHERE 4525 02:44:49,880 --> 02:44:51,680 THERE ARE EPITHELIAL CELLS THAT 4526 02:44:51,680 --> 02:44:52,960 DEPOSIT BASEMENT MEMBRANE, THAT 4527 02:44:52,960 --> 02:44:55,040 IS ALSO SEQUESTERED BY BINDING 4528 02:44:55,040 --> 02:44:55,920 PEPTIDES IN THE MATRIX. 4529 02:44:55,920 --> 02:45:00,160 AND WE FOUND THAT THOSE 4530 02:45:00,160 --> 02:45:01,120 FACILITATE THE ABILITY OF CELLS 4531 02:45:01,120 --> 02:45:02,720 TO BUILD THEIR OWN MICRO 4532 02:45:02,720 --> 02:45:03,760 ENVIRONMENTS AND FUNCTION AS 4533 02:45:03,760 --> 02:45:06,520 THEY WOULD IN THE TISSUE. 4534 02:45:06,520 --> 02:45:08,040 NOW IN THE LAB, EVEN THOUGH I'M 4535 02:45:08,040 --> 02:45:09,800 INCREDIBLY INTERESTED IN THE 4536 02:45:09,800 --> 02:45:13,400 ENDOMETRIUM, WE ALSO STUDY THE 4537 02:45:13,400 --> 02:45:14,520 GUT, AND DEVELOP TISSUE 4538 02:45:14,520 --> 02:45:15,440 ENGINEERING APPROACHES FOR THAT 4539 02:45:15,440 --> 02:45:16,480 AND A THERE'S SOME GOOD REASONS 4540 02:45:16,480 --> 02:45:17,440 FOR THAT. 4541 02:45:17,440 --> 02:45:18,560 MANY SCIENTIFIC REASONS BUT ALSO 4542 02:45:18,560 --> 02:45:21,280 SOME VERY PRACTICAL ONES. 4543 02:45:21,280 --> 02:45:23,360 THE PERSON WHO REALLY PUSHED THE 4544 02:45:23,360 --> 02:45:26,200 ORGANOID SIDE OF THIS INTO 4545 02:45:26,200 --> 02:45:31,240 EXISTENCE IS VICTOR 4546 02:45:31,240 --> 02:45:31,920 HERNANDEZ-GORDILLA WHO DID A 4547 02:45:31,920 --> 02:45:33,000 SCREAN GUIDED BY WHAT WAS KNOWN 4548 02:45:33,000 --> 02:45:34,560 ABOUT SOME OF THE ADHESIVE 4549 02:45:34,560 --> 02:45:36,360 INTERACTIONS AND THINGS GOING ON 4550 02:45:36,360 --> 02:45:38,560 IN THE STEM CELL NICHE OBVIOUSLY 4551 02:45:38,560 --> 02:45:40,880 IN WORK THAT HANS HAD PUBLISHED. 4552 02:45:40,880 --> 02:45:42,720 IN DOING THE SCREEN, HE LOOKED 4553 02:45:42,720 --> 02:45:45,120 AT A LOT OF DIFFERENT LIGANDS, 4554 02:45:45,120 --> 02:45:45,600 BIOPHYSICAL PROPERTIES, 4555 02:45:45,600 --> 02:45:46,800 BIOCHEMICAL PROPERTIES AND 4556 02:45:46,800 --> 02:45:48,760 IDENTIFIED A COMPLETELY TOTALLY 4557 02:45:48,760 --> 02:45:52,600 SYNTHETIC MATRIX SO THERE'S NO 4558 02:45:52,600 --> 02:45:53,560 LAMININ OR ANYTHING ADDED TO 4559 02:45:53,560 --> 02:45:56,960 THIS THAT ALLOWS CLONAL GROWTH 4560 02:45:56,960 --> 02:45:58,600 FROM EITHER THE UPPER OR LOWER 4561 02:45:58,600 --> 02:46:00,480 GI TRACT OVER TIME, AND IT'S NOT 4562 02:46:00,480 --> 02:46:05,120 AS EFFICIENT AS MAT RIGEL IN THE 4563 02:46:05,120 --> 02:46:06,560 ORIGINAL -- BUT IT DOES ALLOW 4564 02:46:06,560 --> 02:46:07,680 THE CLONAL GROWTH AND ALL THESE 4565 02:46:07,680 --> 02:46:08,960 OTHER FEATURES. 4566 02:46:08,960 --> 02:46:13,120 IT REQUIRES HAVING A PARTICULAR 4567 02:46:13,120 --> 02:46:14,360 LIGAND IN THE MATRIX AND SHOWN 4568 02:46:14,360 --> 02:46:15,320 HERE, IF YOU MAKE A 4569 02:46:15,320 --> 02:46:18,600 SUBSTITUTION, WE DON'T GET 4570 02:46:18,600 --> 02:46:19,680 ORGANOIDS. 4571 02:46:19,680 --> 02:46:20,920 STWA TO SHOW YOU THE IMPORTANCE 4572 02:46:20,920 --> 02:46:22,760 OF THIS FOR CELL-CELL 4573 02:46:22,760 --> 02:46:23,440 INTERACTION, I'M GOING TO COME 4574 02:46:23,440 --> 02:46:26,600 BACK TO THE ENT ME TREE UM. 4575 02:46:26,600 --> 02:46:27,560 IT FASCINATING BECAUSE IT GOES 4576 02:46:27,560 --> 02:46:29,240 THROUGH THESE ENORMOUS GROWTH 4577 02:46:29,240 --> 02:46:34,960 AND REGENERATION CYCLES EVERY 28 4578 02:46:34,960 --> 02:46:37,120 DAYS DRIVEN BY FIRST 4579 02:46:37,120 --> 02:46:39,080 PROLIFERATION UNDER THE PUSH OF 4580 02:46:39,080 --> 02:46:41,720 ESTROGEN, SO ESTROGEN DERIVES 4581 02:46:41,720 --> 02:46:42,680 ABOUT A COUNCILMEMBER GROWTH OF 4582 02:46:42,680 --> 02:46:43,960 THE TISSUE, THEN THERE'S 4583 02:46:43,960 --> 02:46:45,520 OVULATION AND PROGESTERONE COMES 4584 02:46:45,520 --> 02:46:47,040 IN AND CAUSES MATURATION OF THE 4585 02:46:47,040 --> 02:46:49,000 TISSUE SUCH THAT THE FIBROBLASTS 4586 02:46:49,000 --> 02:46:50,360 BECOME EPITHELIAL-LIKE OR AT 4587 02:46:50,360 --> 02:46:57,440 LEAST A SUBPOPULATION BECOMES 4588 02:46:57,440 --> 02:47:03,160 ACUTELY ?EA SENT. 4589 02:47:03,160 --> 02:47:08,120 SO WE WANT TO RECAPITULATE THIS. 4590 02:47:08,120 --> 02:47:09,320 WE KNOW MEN AND WOMEN DO NOT 4591 02:47:09,320 --> 02:47:11,120 HAVE EQUAL RESPONSES TO 4592 02:47:11,120 --> 02:47:12,480 INFECTION AND IMMUNITY, AND THIS 4593 02:47:12,480 --> 02:47:14,680 IS ACTUALLY A HUGE TOPIC WE 4594 02:47:14,680 --> 02:47:15,680 STARTED A DISCUSSION GROUP IN 4595 02:47:15,680 --> 02:47:17,520 THE BOSTON AREA AROUND THAT. 4596 02:47:17,520 --> 02:47:21,320 SO FOR PURPOSES OF THIS TALK, 4597 02:47:21,320 --> 02:47:24,400 PROGESTERONE INDUCES SOMETHING 4598 02:47:24,400 --> 02:47:30,000 CALLED A DECIDUALIZATION 4599 02:47:30,000 --> 02:47:30,400 RESPONSE. 4600 02:47:30,400 --> 02:47:32,040 YOU CAN SEE THEY BECOME PLUMP 4601 02:47:32,040 --> 02:47:33,440 LIKE EPITHELIA. 4602 02:47:33,440 --> 02:47:37,200 IT'S A VERY EASY ASSAY IN VITRO. 4603 02:47:37,200 --> 02:47:40,120 MANY UTERINE DISORDERS BEYOND 4604 02:47:40,120 --> 02:47:41,680 ENDOMETRIOSIS ARE CHARACTERIZED 4605 02:47:41,680 --> 02:47:43,080 BY PROGESTERONE RESISTANCE AND 4606 02:47:43,080 --> 02:47:44,400 CELLS THAT WILL NOT MAKE 4607 02:47:44,400 --> 02:47:45,720 PROLACTIN IN RESPONSE TO 4608 02:47:45,720 --> 02:47:46,040 PROGESTERONE. 4609 02:47:46,040 --> 02:47:49,040 SO IF WE CO-CULTURE NOW OUR 4610 02:47:49,040 --> 02:47:51,320 EPITHELIAL ORGANOIDS FROM 4611 02:47:51,320 --> 02:47:52,800 PATIENT END ME TREE A, THESE ARE 4612 02:47:52,800 --> 02:47:54,120 HEALTHY PATIENTS WITH STROMA, WE 4613 02:47:54,120 --> 02:47:55,120 CAN TAKE THEM THROUGH A 4614 02:47:55,120 --> 02:47:57,000 SIMULATED CYCLE AND THIS IS JUST 4615 02:47:57,000 --> 02:48:01,160 SHOWING MORPHOLOGY. 4616 02:48:01,160 --> 02:48:02,440 THEY WILL MAKE PROLACTIN. 4617 02:48:02,440 --> 02:48:04,240 IF WE ADD AN INFLAMMATION QUEUE 4618 02:48:04,240 --> 02:48:07,040 SUCH AS IL-1 BETA, THESE CELLS 4619 02:48:07,040 --> 02:48:07,920 BECOME INFLAMED-LOOKING. 4620 02:48:07,920 --> 02:48:09,680 THERE'S A FLATTENING OF THE 4621 02:48:09,680 --> 02:48:13,480 EPITHELIA, THE STROMA BECOME 4622 02:48:13,480 --> 02:48:14,240 ACTIVATED, AND OF COURSE WHAT WE 4623 02:48:14,240 --> 02:48:18,280 FIND IS IF WE GIVE PROGESTERONE 4624 02:48:18,280 --> 02:48:19,720 IN THE CULTURE, YOU GET 4625 02:48:19,720 --> 02:48:21,880 PROLACTIN BUT NOT WHEN YOU GIVE 4626 02:48:21,880 --> 02:48:22,960 IL-1 BETA. 4627 02:48:22,960 --> 02:48:23,760 IMPORTANTLY, THE MATRIX ITSELF 4628 02:48:23,760 --> 02:48:27,960 CAN BE USED TO MODULATE THE 4629 02:48:27,960 --> 02:48:29,800 BIOPHYSICAL PROPERTIES WITHOUT A 4630 02:48:29,800 --> 02:48:31,320 CHEMICAL QUEUE FOR INFLA NATION, 4631 02:48:31,320 --> 02:48:33,400 WE GET FEATURES OF LESION-LIKE 4632 02:48:33,400 --> 02:48:33,800 BEHAVIOR. 4633 02:48:33,800 --> 02:48:36,040 SO THIS IS AN ACTUAL PATIENT 4634 02:48:36,040 --> 02:48:37,880 LESION BY WHOLE SHEET 4635 02:48:37,880 --> 02:48:38,840 MICROSCOPY, YOU CAN SEE IT 4636 02:48:38,840 --> 02:48:40,640 INVADING IN THIS CASE INTO THE 4637 02:48:40,640 --> 02:48:42,280 MUSCLE, THE MYOMETRIUM, AND THIS 4638 02:48:42,280 --> 02:48:46,440 IS A SOFT MATRIX, IT HAS THE 4639 02:48:46,440 --> 02:48:48,280 PROPERTIES OF ENDOMETRIUM. 4640 02:48:48,280 --> 02:48:49,240 HERE'S THE MECHANICAL PROPERTIES 4641 02:48:49,240 --> 02:48:52,320 OF THE TISSUES HERE AND OF OUR 4642 02:48:52,320 --> 02:48:52,560 MATRICES. 4643 02:48:52,560 --> 02:48:56,480 SO IN THE SOFT PEG MATRIX, THE 4644 02:48:56,480 --> 02:48:58,880 EPITHELIAL STROMAL COCULTURES 4645 02:48:58,880 --> 02:49:02,200 LOOK BEAUTIFUL, BUT IN THE STIFF 4646 02:49:02,200 --> 02:49:03,720 MATRICES, THEY ACTUALLY TAKE ON 4647 02:49:03,720 --> 02:49:04,800 AN INFLAMMATORY PHENOTYPE. 4648 02:49:04,800 --> 02:49:06,640 NOW I WANT TO ILLUSTRATE WHY WE 4649 02:49:06,640 --> 02:49:08,080 ARE VERY EXCITED ABOUT THIS, AND 4650 02:49:08,080 --> 02:49:09,480 WE'VE SHARED THIS MATRIX WITH 4651 02:49:09,480 --> 02:49:11,120 MANY LABS NOW WHO ARE USING IT 4652 02:49:11,120 --> 02:49:14,960 FOR VARIOUS THINGS, BUT REALLY A 4653 02:49:14,960 --> 02:49:17,160 WONDERFUL COLLABORATION IS WITH 4654 02:49:17,160 --> 02:49:22,320 HILLARY CRITCHLEY, PROFESSOR OF 4655 02:49:22,320 --> 02:49:24,040 OGBYN IN EDINBURGH, SHE IS 4656 02:49:24,040 --> 02:49:26,120 PROBABLY THE WORLD EXPERT ON 4657 02:49:26,120 --> 02:49:28,320 HEAVY MENSTRUAL BLEEDING SO SHE 4658 02:49:28,320 --> 02:49:30,600 TREATS A LOT OF PATIENTS IN HER 4659 02:49:30,600 --> 02:49:34,320 CLINIC WITH SELECTED 4660 02:49:34,320 --> 02:49:35,520 PROGESTERONE RECEPTOR MOD LAY 4661 02:49:35,520 --> 02:49:36,280 FOR. 4662 02:49:36,280 --> 02:49:38,000 PROGESTERONE IS A PERFECT 4663 02:49:38,000 --> 02:49:41,840 AGONIST FOR IT. 4664 02:49:41,840 --> 02:49:44,720 AND MIFEPRISTONE, ABORTION 4665 02:49:44,720 --> 02:49:48,400 DWRUG, IS AN ANTAGONIST, AND IN 4666 02:49:48,400 --> 02:49:50,280 THE U.S., WE DO NOT HAVE 4667 02:49:50,280 --> 02:49:54,040 APPROVAL TO USE THIS DRUG FOR 4668 02:49:54,040 --> 02:49:55,960 HMB, IN PART BECAUSE THERE'S 4669 02:49:55,960 --> 02:49:59,800 THESE WEIRD FOR MOLGS THAT SHOWT 4670 02:49:59,800 --> 02:50:01,480 SHOW UP IN THE ENDOMETRIUM AND 4671 02:50:01,480 --> 02:50:02,440 THERE'S CONCERN ABOUT POTENTIAL 4672 02:50:02,440 --> 02:50:03,360 CONTRIBUTIONS TO ENDOMETRIAL CAN 4673 02:50:03,360 --> 02:50:05,840 SE WHICH IS ON 4674 02:50:05,840 --> 02:50:07,160 CANCER, WHICH IS ON THE RISE. 4675 02:50:07,160 --> 02:50:08,880 THERE'S INDICATIONS THAT IT 4676 02:50:08,880 --> 02:50:11,200 CAUSES DOWN REGULATION OF BOTH 4677 02:50:11,200 --> 02:50:12,400 PROLIFERATION AND DESYDIZATION, 4678 02:50:12,400 --> 02:50:14,120 GIVING RISE TO THESE WEIRD 4679 02:50:14,120 --> 02:50:15,640 PHENOTYPES. 4680 02:50:15,640 --> 02:50:20,040 SO THE CRITCHLEY LAB HAS ACCESS 4681 02:50:20,040 --> 02:50:21,360 TO PATIENTS AND THEY DID A 4682 02:50:21,360 --> 02:50:22,480 BEAUTIFUL STUDY IN PATIENTS WHO 4683 02:50:22,480 --> 02:50:24,640 WERE TAKING THE DRUG AND TOOK 4684 02:50:24,640 --> 02:50:25,640 ENDOMETRIAL BIOPSIES BEFORE, 4685 02:50:25,640 --> 02:50:28,240 DURING AND AFTER TREATMENT WITH 4686 02:50:28,240 --> 02:50:30,120 THE DRUG, FROM THE ENDOMETRIAL 4687 02:50:30,120 --> 02:50:32,400 BIOPSIES, DID A LOT OF MOLECULAR 4688 02:50:32,400 --> 02:50:36,880 OMICS AND THEN ALSO MAKE TISSUE 4689 02:50:36,880 --> 02:50:38,520 BANKS SO THAT YOU COULD GROW THE 4690 02:50:38,520 --> 02:50:40,720 ORGANOIDS AND STROMA TOGETHER. 4691 02:50:40,720 --> 02:50:44,760 SO ALEX TSOLOVA, THE GRADUATE 4692 02:50:44,760 --> 02:50:46,080 STUDENT SHOWN BEAMING BECAUSE 4693 02:50:46,080 --> 02:50:48,480 SHE WON AN AWARD IN MARCH THIS 4694 02:50:48,480 --> 02:50:50,440 YEAR AND SHE JUST DEFENDED HER 4695 02:50:50,440 --> 02:50:54,720 THESIS AND THIS IS A PAPER IN 4696 02:50:54,720 --> 02:50:55,480 PREPARATION, SHE ASKED THE 4697 02:50:55,480 --> 02:50:57,240 QUESTION ABOUT CELL-CELL MATRIX 4698 02:50:57,240 --> 02:51:00,280 AND THE MECHANISM OF ACTION OF 4699 02:51:00,280 --> 02:51:01,360 SPRM SINCE SHE FIRST SHOWED YOU 4700 02:51:01,360 --> 02:51:03,240 HAVE TO HAVE THE CELLS 4701 02:51:03,240 --> 02:51:03,920 CO-CULTURED TOGETHER TO GET 4702 02:51:03,920 --> 02:51:05,640 ANYTHING LIKE AN IN VIVO 4703 02:51:05,640 --> 02:51:06,280 RESPONSE. 4704 02:51:06,280 --> 02:51:08,080 SO SHE'S GOT THE IN VIVO OMICS 4705 02:51:08,080 --> 02:51:09,560 DATA AND NOW SHE CAN COMPARE HER 4706 02:51:09,560 --> 02:51:10,160 CULTURES. 4707 02:51:10,160 --> 02:51:11,360 BUT A CRUCIAL FEATURE, I'LL JUST 4708 02:51:11,360 --> 02:51:13,760 SHOW YOU THE DATA HERE, IS 4709 02:51:13,760 --> 02:51:15,800 COMPARING MATRIGEL AND PEG FOR 4710 02:51:15,800 --> 02:51:16,720 THESE CO-CULTURES. 4711 02:51:16,720 --> 02:51:17,800 SO I'M GOING TO WALK YOU THROUGH 4712 02:51:17,800 --> 02:51:19,000 THIS BECAUSE IT'S REALLY 4713 02:51:19,000 --> 02:51:19,440 COMPLICATED. 4714 02:51:19,440 --> 02:51:24,800 WHAT SHE DID IS REVERSE PHASE 4715 02:51:24,800 --> 02:51:29,400 PROTEIN ARRAY OF -- REVERSE 4716 02:51:29,400 --> 02:51:31,600 PHASE ANTIBODY ARRAY WITH 100 4717 02:51:31,600 --> 02:51:32,680 ANTIBODIES CHOSEN FROM THE IN 4718 02:51:32,680 --> 02:51:33,880 VIVO OMICS DATA. 4719 02:51:33,880 --> 02:51:38,120 THAT DATA SHOWED THAT THE 4720 02:51:38,120 --> 02:51:39,560 SPRMs DOWNREGULATED A HUGE SET 4721 02:51:39,560 --> 02:51:42,840 OF GENES ASSOCIATED WITH CELL 4722 02:51:42,840 --> 02:51:43,520 PROLIFERATION. 4723 02:51:43,520 --> 02:51:45,480 SO FIRST LET'S LOOK AT PEG-GROWN 4724 02:51:45,480 --> 02:51:48,320 CELLS HERE. 4725 02:51:48,320 --> 02:51:51,040 ESTROGEN, THE RED GENES ARE ALL 4726 02:51:51,040 --> 02:51:51,920 PROLIFERATION GENES AND I'LL 4727 02:51:51,920 --> 02:51:53,000 JUST FOCUS ON THOSE FOR NOW. 4728 02:51:53,000 --> 02:51:54,760 YOU CAN SEE THAT ESTROGEN 4729 02:51:54,760 --> 02:51:56,280 UPREGULATES THOSE GENES AS YOU 4730 02:51:56,280 --> 02:52:01,080 WOULD EXPECT IN VIVO, AND THE 4731 02:52:01,080 --> 02:52:03,080 SPRM IN THE PEG SYNTHETIC 4732 02:52:03,080 --> 02:52:04,280 CO-CULTURE COMPLETELY 4733 02:52:04,280 --> 02:52:04,680 DOWNREGULATES THEM. 4734 02:52:04,680 --> 02:52:07,560 SO THIS IS SIMILAR TO WHAT WE 4735 02:52:07,560 --> 02:52:12,040 SEE IN VIVO FROM THOSE PATIENTS. 4736 02:52:12,040 --> 02:52:13,120 MATRIGEL IS ALL OVER THE MAP. 4737 02:52:13,120 --> 02:52:14,000 IT'S REALLY A MESS. 4738 02:52:14,000 --> 02:52:16,800 IT DOES NOT RECAPITULATE THE IN 4739 02:52:16,800 --> 02:52:17,440 VIVO. 4740 02:52:17,440 --> 02:52:19,920 SHE'S FOLLOWED UP WITH IHC AND 4741 02:52:19,920 --> 02:52:21,040 VARIOUS OTHER THINGS TO VALIDATE 4742 02:52:21,040 --> 02:52:21,560 THESE FINDINGS. 4743 02:52:21,560 --> 02:52:24,360 SO THIS IS AN AMAZING OUTCOME. 4744 02:52:24,360 --> 02:52:26,600 THE TAKE-HOME MESSAGE FROM THIS, 4745 02:52:26,600 --> 02:52:27,680 THEN I JUST HAVE A COUPLE MORE 4746 02:52:27,680 --> 02:52:28,440 SLIDES HOW WE'RE TAKING THIS 4747 02:52:28,440 --> 02:52:31,640 INTO A BIOREACTOR, IS THAT THE 4748 02:52:31,640 --> 02:52:33,680 SYNTHETIC MATRIX IS A LOW NOISE 4749 02:52:33,680 --> 02:52:35,120 MICROENVIRONMENT IN WHICH HE CAN 4750 02:52:35,120 --> 02:52:37,200 LISTEN TO THE CROSSTALK BETWEEN 4751 02:52:37,200 --> 02:52:37,960 THE DIFFERENT CELL TYPES. 4752 02:52:37,960 --> 02:52:39,400 NOW I DIDN'T SHOW IMMUNE CELLS 4753 02:52:39,400 --> 02:52:40,600 BUT THERE'S A SEPARATE 4754 02:52:40,600 --> 02:52:44,200 PUBLICATION WE HAVE RECENTLY 4755 02:52:44,200 --> 02:52:46,520 APPLYING TO PANCREATIC ORGANOID 4756 02:52:46,520 --> 02:52:47,800 STROMA IMMUNE CROSSTALK WHERE 4757 02:52:47,800 --> 02:52:48,800 THERE'S A LOT OF DETAILS. 4758 02:52:48,800 --> 02:52:52,080 SO IT'S LIKE YOU'RE CAPTURING 4759 02:52:52,080 --> 02:52:53,480 THE CELLS TALKING TO EACH OTHER 4760 02:52:53,480 --> 02:52:54,920 WITH NO BACKGROUND NOISE, LIKE 4761 02:52:54,920 --> 02:52:58,800 YOU'RE IN A QUIET QA FAY. 4762 02:52:58,800 --> 02:52:59,800 CAFE. 4763 02:52:59,800 --> 02:53:02,640 BUT MATRIGEL, IF YOU'RE TRYING 4764 02:53:02,640 --> 02:53:03,960 TO CAPTURE WHAT THE CELLS ARE 4765 02:53:03,960 --> 02:53:05,720 SAYING, IT'S LIKE YOU'RE ON THE 4766 02:53:05,720 --> 02:53:07,000 RUNWAY AT LOGAN AIRPORT AND JETS 4767 02:53:07,000 --> 02:53:08,240 ARE TAKING OFF, THEY CAN'T TALK 4768 02:53:08,240 --> 02:53:09,240 TO EACH OTHER VERY WELL. 4769 02:53:09,240 --> 02:53:10,640 SO THAT'S THE TAKEHOME. 4770 02:53:10,640 --> 02:53:12,320 WE'RE TRYING TO COMMERCIALIZE IT 4771 02:53:12,320 --> 02:53:14,120 IN THE ERA OF COVID, THERE'S 4772 02:53:14,120 --> 02:53:16,120 BEEN A LOT OF LAWYER DRAMA, SO 4773 02:53:16,120 --> 02:53:17,120 HOPEFULLY WE'LL BE ABLE TO GET 4774 02:53:17,120 --> 02:53:19,520 THIS OUT TO MORE LABS THAN THE 4775 02:53:19,520 --> 02:53:20,360 LABS WE'RE CURRENTLY 4776 02:53:20,360 --> 02:53:20,920 COLLABORATING WITH. 4777 02:53:20,920 --> 02:53:23,800 I'M GOING TO END BY SAYING OF 4778 02:53:23,800 --> 02:53:25,320 COURSE WE'RE TAKING THIS BACK IN 4779 02:53:25,320 --> 02:53:26,840 VIVO TO LOOK AT INTERACTIONS 4780 02:53:26,840 --> 02:53:30,000 BETWEEN THESE LESIONS AND BLOOD 4781 02:53:30,000 --> 02:53:32,960 VESSELS, AND I WAS THRILLED TO 4782 02:53:32,960 --> 02:53:36,120 SEE CHRISTINE MIMMERY SHOW THE 4783 02:53:36,120 --> 02:53:37,440 IMMUNE CHIP, AN IMPORTANT 4784 02:53:37,440 --> 02:53:38,760 FEATURE OF THESE KINDS OF 4785 02:53:38,760 --> 02:53:42,200 VESSELS IS YOU CAN ADD I MEUP AE 4786 02:53:42,200 --> 02:53:44,360 CELLS AND LOOK AT TRAFFICKING. 4787 02:53:44,360 --> 02:53:48,320 THIS IS JUST A GRAPHIC, THE 4788 02:53:48,320 --> 02:53:49,960 FIRST EXPERIMENT, OUR STUDENT 4789 02:53:49,960 --> 02:53:51,360 ELLEN DID IN THE AIM CHIPS. 4790 02:53:51,360 --> 02:53:52,360 BUT WHAT WE'VE BEEN DOING, ALL 4791 02:53:52,360 --> 02:53:55,440 OF THESE RELY ON USING FIBRIN 4792 02:53:55,440 --> 02:53:57,040 FOR FORMING THE BLOOD VESSELS. 4793 02:53:57,040 --> 02:53:58,760 IT BEEN HARD TO GET A SYNTHETIC 4794 02:53:58,760 --> 02:53:59,160 MATRIX. 4795 02:53:59,160 --> 02:54:00,760 WE'VE BEEN WORKING WITH ROGER'S 4796 02:54:00,760 --> 02:54:02,640 LAB TO BUILD OUR LESION MODEL, 4797 02:54:02,640 --> 02:54:05,400 AND FOR NOW, THERE'S SOME PDMS 4798 02:54:05,400 --> 02:54:07,000 DEVICES HE USED FOR TUMORS, AND 4799 02:54:07,000 --> 02:54:10,720 WHAT WE'VE BEEN ABLE TO SHOW IS 4800 02:54:10,720 --> 02:54:13,880 GROWTH OF VESSELS FROM A 4801 02:54:13,880 --> 02:54:17,200 PREFORMED VESSEL EMBEDDED 4802 02:54:17,200 --> 02:54:19,160 FIBRIN, THIS IS A PROTO LESION 4803 02:54:19,160 --> 02:54:20,680 IN PEG BECAUSE OUR LESIONS HAVE 4804 02:54:20,680 --> 02:54:24,080 TO BE GROWN IN BEG. 4805 02:54:24,080 --> 02:54:25,080 PEG. 4806 02:54:25,080 --> 02:54:27,120 FIBRIN DOES NOT WORK WELL FOR 4807 02:54:27,120 --> 02:54:29,000 OUR EPITHELIAL STROMAL 4808 02:54:29,000 --> 02:54:29,680 CO-CULTURES. 4809 02:54:29,680 --> 02:54:30,960 HOWEVER, WE HAVE A MANUFACTURING 4810 02:54:30,960 --> 02:54:32,840 PROCESS NOW IN PLACE TO TAKE 4811 02:54:32,840 --> 02:54:35,240 THESE CHIPS AND PUT THEM INTO 4812 02:54:35,240 --> 02:54:36,120 THERMOPLASTICS, INCLUDING 4813 02:54:36,120 --> 02:54:36,760 EMBEDDED PUMPS. 4814 02:54:36,760 --> 02:54:39,480 I'M NOT SHOWING THAT BECAUSE OF 4815 02:54:39,480 --> 02:54:40,720 SOME I.P. ISSUES, BUT THIS IS 4816 02:54:40,720 --> 02:54:41,400 WHERE WE'RE GOING. 4817 02:54:41,400 --> 02:54:42,440 SO THESE KINDS OF SYSTEMS COULD 4818 02:54:42,440 --> 02:54:44,320 BE VALUABLE FOR LOOKING AT VIRUS 4819 02:54:44,320 --> 02:54:47,480 INFECTION BECAUSE THEY SHOULD BE 4820 02:54:47,480 --> 02:54:48,880 AMENABLE TO CONTROLLING BOTH THE 4821 02:54:48,880 --> 02:54:50,880 BIOCHEMICAL AND THE BIOPHYSICAL 4822 02:54:50,880 --> 02:54:51,560 MICROENVIRONMENT, AND THERE'S A 4823 02:54:51,560 --> 02:54:53,480 LOT OF PEOPLE WHO CONTRIBUTED TO 4824 02:54:53,480 --> 02:54:57,600 THIS, ESPECIALLY DAVE TREMPER ON 4825 02:54:57,600 --> 02:55:03,360 THE DEVICE SIDE, HEAVY LIFTING 4826 02:55:03,360 --> 02:55:05,560 ONCOORGANOID CULTURE, HILLARY'S 4827 02:55:05,560 --> 02:55:07,600 LAB, ALEKS AND OUR FABULOUS 4828 02:55:07,600 --> 02:55:08,800 CLINICAL COLLABORATORS FOR THE 4829 02:55:08,800 --> 02:55:10,720 SAMPLES. 4830 02:55:10,720 --> 02:55:12,760 >> THIS IS GREAT. 4831 02:55:12,760 --> 02:55:13,760 THANKS SO MUCH, LINDA. 4832 02:55:13,760 --> 02:55:16,600 IT IS INTERESTING, THE SAME -- 4833 02:55:16,600 --> 02:55:17,800 CHRISTINE AND YOU STARTING WITH 4834 02:55:17,800 --> 02:55:19,000 ORGANOIDS AND MICRO TISSUES AND 4835 02:55:19,000 --> 02:55:23,120 THEN AT THE END MOVING INTO THIS 4836 02:55:23,120 --> 02:55:24,880 VASCULARIZED BED TISSUE CHIP 4837 02:55:24,880 --> 02:55:26,880 PLATFORMS TO SORT OF MOVE THEM 4838 02:55:26,880 --> 02:55:29,360 INTO A MORE LIKE PERFUSE SYSTEM. 4839 02:55:29,360 --> 02:55:32,000 IT SEEMS TO BE LIKE A TREND OF 4840 02:55:32,000 --> 02:55:37,040 BLENDING TECHNOLOGIES INSTEADING 4841 02:55:37,040 --> 02:55:38,360 STUDYING SEPARATE BUT THEN 4842 02:55:38,360 --> 02:55:39,440 PUTTING THEM TOGETHER WHICH I 4843 02:55:39,440 --> 02:55:40,840 THINK IS FASCINATING AND 4844 02:55:40,840 --> 02:55:41,760 HOPEFULLY SOMETHING WE CAN 4845 02:55:41,760 --> 02:55:43,400 DISCUSS MORE AT THE END. 4846 02:55:43,400 --> 02:55:44,600 THANK YOU SO MUCH, LINDA. 4847 02:55:44,600 --> 02:55:46,840 >> THANK YOU. 4848 02:55:46,840 --> 02:55:49,640 >> WE'RE GOING TO MOVE TO THE 4849 02:55:49,640 --> 02:55:51,680 NEXT SPEAKER, AND IT'S PROFESSOR 4850 02:55:51,680 --> 02:55:55,400 ANTHONY ATALA, WHO IS ES THE 4851 02:55:55,400 --> 02:55:56,840 LINK PROFESSOR AND DIRECTOR OF 4852 02:55:56,840 --> 02:55:58,040 THE WAKE FOREST INSTITUTE FOR 4853 02:55:58,040 --> 02:56:02,200 REGENERATIVE MEDICINE AND THE 4854 02:56:02,200 --> 02:56:03,240 BOYCE PROFESSOR AND CHAIR OF THE 4855 02:56:03,240 --> 02:56:04,680 DEPARTMENT OF UROLOGY AT WAKE 4856 02:56:04,680 --> 02:56:06,240 FOREST UNIVERSITY. 4857 02:56:06,240 --> 02:56:07,520 DR. ATALA IS A MEMBER OF THE 4858 02:56:07,520 --> 02:56:08,560 NATIONAL ACADEMY OF MEDICINE AND 4859 02:56:08,560 --> 02:56:10,520 THE NATIONAL ACADEMY OF 4860 02:56:10,520 --> 02:56:13,000 INVENTORS, AND HE'S RECIPIENT OF 4861 02:56:13,000 --> 02:56:14,440 THE U.S. CONGRESS FUNDED 4862 02:56:14,440 --> 02:56:15,760 COLUMBUS FOUNDATION AWARD AND 4863 02:56:15,760 --> 02:56:17,960 THE EDISON SCIENCE AND MEDICAL 4864 02:56:17,960 --> 02:56:19,680 AWARD, AND R & D INNOVATOR OF 4865 02:56:19,680 --> 02:56:23,440 THE YEAR AWARD AND SMITHSONIAN 4866 02:56:23,440 --> 02:56:24,640 INGENUITY AWARD AMONG SOME 4867 02:56:24,640 --> 02:56:27,560 OTHERS. 4868 02:56:27,560 --> 02:56:30,440 AND DR. ATALA HAS BEEN A PIONEER 4869 02:56:30,440 --> 02:56:32,320 IN THE FIELD OF TISSUE 4870 02:56:32,320 --> 02:56:36,200 ENGINEERING, BIOPRINTING AND 4871 02:56:36,200 --> 02:56:37,640 ESPECIALLY GROWING TISSUES AND 4872 02:56:37,640 --> 02:56:38,840 ORGANS FOR PATIENTS AND 4873 02:56:38,840 --> 02:56:39,800 PHYSIOLOGICAL MODELING. 4874 02:56:39,800 --> 02:56:43,880 SO TONY, THE FLOOR IS YOURS. 4875 02:56:43,880 --> 02:56:45,040 >> THANK YOU, MARK. 4876 02:56:45,040 --> 02:56:45,960 IT'S GREAT TO BE WITH YOU AND 4877 02:56:45,960 --> 02:56:49,800 GREAT TO BE WITH THIS PANEL. 4878 02:56:49,800 --> 02:56:50,640 THANK YOU FOR PUTTING THIS 4879 02:56:50,640 --> 02:56:51,600 TOGETHER ALONG WITH YOUR TEAM. 4880 02:56:51,600 --> 02:56:52,840 WHAT I THOUGHT I WOULD DO TODAY 4881 02:56:52,840 --> 02:56:54,280 IS REALLY GIVE YOU AN OVERVIEW 4882 02:56:54,280 --> 02:56:56,360 OF SOME OF THE WORK WE'RE DOING 4883 02:56:56,360 --> 02:57:00,600 IN THE AREA OF THE BODY ON A 4884 02:57:00,600 --> 02:57:01,040 CHIP. 4885 02:57:01,040 --> 02:57:02,360 OUR AREA OF EXPERTISE OVER THE 4886 02:57:02,360 --> 02:57:04,080 LAST SEVERAL DECADES HAS BEEN 4887 02:57:04,080 --> 02:57:05,200 REGENERATIVE MEDICINE, BASICALLY 4888 02:57:05,200 --> 02:57:08,320 MAKING TISSUES FOR PATIENTS, AND 4889 02:57:08,320 --> 02:57:09,320 OF COURSE AS YOU CAN IMAGINE, 4890 02:57:09,320 --> 02:57:10,880 WE'RE MAKING TISSUES FOR 4891 02:57:10,880 --> 02:57:11,960 PATIENTS, WE HAVE TO GO THROUGH 4892 02:57:11,960 --> 02:57:16,480 THIS WHOLE APPROACH OF CELL IS 4893 02:57:16,480 --> 02:57:19,160 HARVESTING, CELL PROCURING, 4894 02:57:19,160 --> 02:57:20,720 EXPANSION OF CELLS OUTSIDE THE 4895 02:57:20,720 --> 02:57:22,480 BODY, MIXING THAT WITH BIOFEERLS 4896 02:57:22,480 --> 02:57:23,440 SO 4897 02:57:23,440 --> 02:57:24,560 BIOMATERIALS SO WE CAN PUT THEM 4898 02:57:24,560 --> 02:57:25,080 INTO PATIENTS. 4899 02:57:25,080 --> 02:57:26,840 SO REALLY THE STRATEGY FOR US 4900 02:57:26,840 --> 02:57:29,400 REALLY EARLY ON WAS HOW DO WE 4901 02:57:29,400 --> 02:57:30,400 MINIATURIZE THE SYSTEMS THAT WE 4902 02:57:30,400 --> 02:57:33,040 ARE DOING IN REGEN MED. 4903 02:57:33,040 --> 02:57:34,720 WE PUT A WHITE PAPER OUT ON THIS 4904 02:57:34,720 --> 02:57:37,560 INITIALLY BACK IN THE EARLY 4905 02:57:37,560 --> 02:57:37,880 2000s. 4906 02:57:37,880 --> 02:57:41,280 THE STRATEGY HERE WAS TO GO 4907 02:57:41,280 --> 02:57:42,720 AFTER THE SYSTEM IN A COMBINED 4908 02:57:42,720 --> 02:57:44,240 WAY, AND THAT WAS MADE POSSIBLE 4909 02:57:44,240 --> 02:57:48,960 BY A GRANT FUNDED BY DTRA, THE 4910 02:57:48,960 --> 02:57:50,040 DEFENSE THREAT REDUCTION AGENCY 4911 02:57:50,040 --> 02:57:52,200 THAT THEY ANNOUNCED IN 2012 WITH 4912 02:57:52,200 --> 02:57:54,400 OUR PARTNERS IN SEVERAL CENTERS 4913 02:57:54,400 --> 02:57:55,080 IN THE U.S. 4914 02:57:55,080 --> 02:57:56,040 REALLY THE MAIN GOAL OF OUR 4915 02:57:56,040 --> 02:57:57,920 PROGRAM WAS TO CREATE THESE 4916 02:57:57,920 --> 02:57:59,880 MICRO CHIP TECHNOLOGIES BUT TO 4917 02:57:59,880 --> 02:58:01,640 DO SO WITH BIOPRINTED HUMAN 4918 02:58:01,640 --> 02:58:03,920 TISSUES AS MUCH AS POSSIBLE, SO 4919 02:58:03,920 --> 02:58:05,560 WE STARTED PRINTERS THAT WE 4920 02:58:05,560 --> 02:58:07,000 DESIGNED OVER A 20-YEAR PERIOD 4921 02:58:07,000 --> 02:58:08,720 TO CREATE TISSUES AND ORGANS. 4922 02:58:08,720 --> 02:58:10,160 THESE PRINTERS WERE ABLE TO 4923 02:58:10,160 --> 02:58:12,480 STANDARDIZE THE SYSTEM AND ALLOW 4924 02:58:12,480 --> 02:58:14,880 THESE STRUCTURES TO BE PRINTED 4925 02:58:14,880 --> 02:58:16,080 IN THE RELIABLE MANNER THAT CAN 4926 02:58:16,080 --> 02:58:19,480 BE EXPANDED OVER TIME. 4927 02:58:19,480 --> 02:58:20,520 BASICALLY AS WE ALL KNOW WE'RE 4928 02:58:20,520 --> 02:58:21,760 PREACHING TO THE CHOIR HERE BUT 4929 02:58:21,760 --> 02:58:23,960 JUST TO REMIND EVERYBODY WHY 4930 02:58:23,960 --> 02:58:25,760 THIS, WHY DTRA CAME OUT WITH 4931 02:58:25,760 --> 02:58:26,560 THIS PROGRAM, MAINLY BECAUSE AS 4932 02:58:26,560 --> 02:58:29,200 YOU KNOW, DRUG DEVELOPMENT IS 4933 02:58:29,200 --> 02:58:30,920 CHALLENGING, AND IT TAKES TENS 4934 02:58:30,920 --> 02:58:33,560 OF MILLIONS OF DOLLARS TO GET A 4935 02:58:33,560 --> 02:58:35,080 TARGET TO PHASE 1 HUMAN CLINICAL 4936 02:58:35,080 --> 02:58:36,680 TRIAL, BUT UNFORTUNATELY 90% OF 4937 02:58:36,680 --> 02:58:38,600 THE DRUGS THAT REACH PHASE 4938 02:58:38,600 --> 02:58:39,680 1 CLINICAL TRIALS END UP 4939 02:58:39,680 --> 02:58:39,920 FAILING. 4940 02:58:39,920 --> 02:58:41,280 AND THAT REALLY HAS TO DOITH 4941 02:58:41,280 --> 02:58:43,600 THE SYSTEMS THAT ARE BEING USED, 4942 02:58:43,600 --> 02:58:43,800 RIGHT? 4943 02:58:43,800 --> 02:58:47,680 BASICALLY TO 2D CULTURES ARE T 4944 02:58:47,680 --> 02:58:49,640 REALLY 3D TISSUES AND ANIMALS 4945 02:58:49,640 --> 02:58:51,800 ARE NOT ALWAYS PREDICTIVE OF 4946 02:58:51,800 --> 02:58:52,800 HUMAN OUTCOMES. 4947 02:58:52,800 --> 02:58:53,760 THEREFORE, WITH THIS PROGRAM 4948 02:58:53,760 --> 02:58:57,520 THAT WE FIRST DEVELOPED WITH 4949 02:58:57,520 --> 02:58:59,000 DTRA, THE EX VIVO CONSOLE OF 4950 02:58:59,000 --> 02:59:05,040 HUMAN ORGANOIDS AND WE ASSIGNEDD 4951 02:59:05,040 --> 02:59:07,120 ORGANOIDS THE SAME -- WE USE THE 4952 02:59:07,120 --> 02:59:08,120 NORMAL HUMAN CELL TYPES THAT ARE 4953 02:59:08,120 --> 02:59:10,080 PRESENT IN THE ORGAN IN THE SAME 4954 02:59:10,080 --> 02:59:11,640 PROPORTION, SO THE LIVER HAS 4955 02:59:11,640 --> 02:59:13,040 FIVE DIFFERENT CELL TYPES, EACH 4956 02:59:13,040 --> 02:59:15,880 CELL TYPE HAS A ROLE THAT PLAYS 4957 02:59:15,880 --> 02:59:17,280 INTO THE FUNCTIONALITY, SO THESE 4958 02:59:17,280 --> 02:59:18,080 ARE INCORPORATED. 4959 02:59:18,080 --> 02:59:20,560 WE ALSO INCORPORATE THE 4960 02:59:20,560 --> 02:59:21,680 EXTRACELLULAR MATRIX WHENEVER 4961 02:59:21,680 --> 02:59:23,320 POSSIBLE, WHERE WE TAKE AN OR 4962 02:59:23,320 --> 02:59:26,720 GAL THAT WE DECELLULARRIZE, WE 4963 02:59:26,720 --> 02:59:30,560 THEN CREATE A POWDER TO CREATE 4964 02:59:30,560 --> 02:59:32,160 THE ORGANOIDS, SO BASICALLY ALL 4965 02:59:32,160 --> 02:59:33,480 THE ELEMENTS PRESENT IN THE 4966 02:59:33,480 --> 02:59:36,760 ORGAN, ALL THE CELLS AND THE 4967 02:59:36,760 --> 02:59:37,400 EXTRACELLULAR MATRIX. 4968 02:59:37,400 --> 02:59:38,280 WE EVEN CONTROL FOR THE 4969 02:59:38,280 --> 02:59:40,040 STIFFNESS BECAUSE THAT ALSO 4970 02:59:40,040 --> 02:59:43,880 INFLUENCES THE LOCAL 4971 02:59:43,880 --> 02:59:45,080 MICROENVIRONMENT. 4972 02:59:45,080 --> 02:59:46,040 THE OUTCOME IS STRUCTURES THAT 4973 02:59:46,040 --> 02:59:48,240 REALLY HAVE A HIGH FIDELITY TO 4974 02:59:48,240 --> 02:59:49,480 THE HUMAN, FOR EXAMPLE, WITH THE 4975 02:59:49,480 --> 02:59:51,640 LIVER AS YOU CAN EVEN SEE 4976 02:59:51,640 --> 02:59:53,480 PRIMITIVE BILIARY SYSTEMS THAT 4977 02:59:53,480 --> 02:59:56,760 YOU SEE HERE. 4978 02:59:56,760 --> 02:59:58,640 WHEN YOU LOOK AT THESE, THEY CAN 4979 02:59:58,640 --> 02:59:59,440 PRESERVE THEIR FUNCTION LONG 4980 02:59:59,440 --> 02:59:59,760 TERM. 4981 02:59:59,760 --> 03:00:01,600 THIS IS LOOKING AT THE LIVER, 4982 03:00:01,600 --> 03:00:04,560 ORGANOIDS LOOKING AT -- ALBUMEN 4983 03:00:04,560 --> 03:00:04,960 SECRETION. 4984 03:00:04,960 --> 03:00:06,520 FOR EXAMPLE, WHEN WE PUT THESE 4985 03:00:06,520 --> 03:00:08,160 INTO LIVERS WITH DRUGS LIKE 4986 03:00:08,160 --> 03:00:09,600 VALIUM, WE SEE IT GETS BROKEN 4987 03:00:09,600 --> 03:00:11,200 DOWN INTO ITS NORMAL METABOLITES 4988 03:00:11,200 --> 03:00:13,080 WITH THE UPREGULATION OF THE 4989 03:00:13,080 --> 03:00:14,400 RIGHT -- AS YOU WOULD EXPECT IN 4990 03:00:14,400 --> 03:00:14,920 A HUMAN. 4991 03:00:14,920 --> 03:00:18,240 SAME MANNER, WE CREATE THE 4992 03:00:18,240 --> 03:00:19,440 MINIATURE HEART ORGANS IN THE 4993 03:00:19,440 --> 03:00:21,280 SAME MANNER USING ALL THE MAJOR 4994 03:00:21,280 --> 03:00:22,600 HEART CELL TYPES IN THE SAME 4995 03:00:22,600 --> 03:00:22,920 PROPORTION. 4996 03:00:22,920 --> 03:00:25,000 WE CAN SLOW THEM DOWN OR SPEED 4997 03:00:25,000 --> 03:00:27,840 THEM UP FROM THEIR 60 BEATS PER 4998 03:00:27,840 --> 03:00:31,000 MINUTE BASED ON DIFFERENT DRUGS 4999 03:00:31,000 --> 03:00:32,320 AND THE HUMAN DOSE-RELEVANT 5000 03:00:32,320 --> 03:00:32,600 RESPONSE. 5001 03:00:32,600 --> 03:00:34,320 WE CAN ALSO CREATE MINIATURE 5002 03:00:34,320 --> 03:00:35,960 HEART ATTACKS, SO CREATE MODEL 5003 03:00:35,960 --> 03:00:37,240 SYSTEMS THAT ARE ABLE TO HELP US 5004 03:00:37,240 --> 03:00:39,000 OUT WHEN WE'RE LOOKING AT DRUG 5005 03:00:39,000 --> 03:00:40,200 DEVELOPMENT OR MODEL SYSTEMS. 5006 03:00:40,200 --> 03:00:41,840 WE CAN CREATE THESE MINIATURE 5007 03:00:41,840 --> 03:00:42,360 BRAINS. 5008 03:00:42,360 --> 03:00:43,600 SAME THING WITH THESE MINIATURE 5009 03:00:43,600 --> 03:00:45,480 BRAINS, WE USE ALL THE SIX MAJOR 5010 03:00:45,480 --> 03:00:46,880 TYPES THAT ARE PRESENT IN THE 5011 03:00:46,880 --> 03:00:48,960 BRAIN IN THE SAME PROPORTION, 5012 03:00:48,960 --> 03:00:50,680 AND BY DOING SO, WE'RE ABLE TO 5013 03:00:50,680 --> 03:00:55,520 CREATE AN AN ENTIRELY NATIVE N 5014 03:00:55,520 --> 03:00:57,160 BLOOD BRAIN BARRIER, THAT IS, A 5015 03:00:57,160 --> 03:00:58,360 BARRIER CREATED BY THE CELLS 5016 03:00:58,360 --> 03:00:58,800 THEMSELVES. 5017 03:00:58,800 --> 03:01:02,520 WE'RE NOT USING TRANS MEMBRANES 5018 03:01:02,520 --> 03:01:04,280 OR SILICONE MEMBRANES FOR THIS. 5019 03:01:04,280 --> 03:01:06,560 BLOOD BRAIN BARRIER IS CREATED 5020 03:01:06,560 --> 03:01:07,880 ENTIRELY BY THE MINIATURE BRAIN 5021 03:01:07,880 --> 03:01:08,960 ORGANOIDS THAT YOU SEE HERE, 5022 03:01:08,960 --> 03:01:11,280 WHERE WE CAN CREATE ALSO MIMIC 5023 03:01:11,280 --> 03:01:12,800 STROKES, FOR EXAMPLE, AND THEN 5024 03:01:12,800 --> 03:01:14,560 GO AFTER TREATMENT MODALITIES. 5025 03:01:14,560 --> 03:01:16,320 SAME THING FOR THE LUNG, THIS IS 5026 03:01:16,320 --> 03:01:17,720 A NICE SLIDE BECAUSE IT SHOWS 5027 03:01:17,720 --> 03:01:19,480 WHAT A 2D CULTURE SYSTEM LOOKS 5028 03:01:19,480 --> 03:01:20,840 LIKE ON THE TOP RIGHT, WHAT A 5029 03:01:20,840 --> 03:01:27,240 NATIVE LUK LOOKS LIKE ON E 5030 03:01:27,240 --> 03:01:28,000 BOTTOM RIGHT. 5031 03:01:28,000 --> 03:01:30,520 WE CAN SEE THEN WE CAN START 5032 03:01:30,520 --> 03:01:31,080 DOING INFECTIVITY. 5033 03:01:31,080 --> 03:01:33,120 FOR EXAMPLE, WE TOOK STRAINS OF 5034 03:01:33,120 --> 03:01:35,240 PSEUDOMONAS THAT WERE SHOWN TO 5035 03:01:35,240 --> 03:01:36,880 BE DIFFERENTIAL IN TERMS OF 5036 03:01:36,880 --> 03:01:38,080 THEIR AGGRESSIVENESS IN HUMANS 5037 03:01:38,080 --> 03:01:39,640 AND WE WERE ABLE TO TEST THAT IN 5038 03:01:39,640 --> 03:01:41,880 THE ORGANOID SYSTEM REPLICATING 5039 03:01:41,880 --> 03:01:44,960 BASICALLY THE INFECTIVITY 5040 03:01:44,960 --> 03:01:45,720 AGGRESSIVENESS THAT WE WOULD SEE 5041 03:01:45,720 --> 03:01:49,400 IN A HUMAN MODEL, SHOWING -- TO 5042 03:01:49,400 --> 03:01:50,080 THE HUMANS. 5043 03:01:50,080 --> 03:01:52,080 THIS IS LOOKING AT RSV, WHERE WE 5044 03:01:52,080 --> 03:01:54,680 CAN ACTUALLY INCORPORATE 5045 03:01:54,680 --> 03:01:55,000 NEUTROPHILS. 5046 03:01:55,000 --> 03:01:59,040 ON THE LEFT YOU CAN SEE THE 5047 03:01:59,040 --> 03:02:00,280 MODEL -- BUT ON THE TOP RIGHT, 5048 03:02:00,280 --> 03:02:04,080 YOU SEE WHAT HAPPENS WHEN WE 5049 03:02:04,080 --> 03:02:05,960 INFECT THE LUNG ORGANOIDS WITH 5050 03:02:05,960 --> 03:02:07,920 RSV, SHOWING MIGRATION OF THE 5051 03:02:07,920 --> 03:02:09,800 NEUTROPHILS TO THE EPITHELIAL 5052 03:02:09,800 --> 03:02:10,880 MEMBRANE WITH DISRUPTION OF 5053 03:02:10,880 --> 03:02:12,080 CILIA, AND YOU CAN SEE THE 5054 03:02:12,080 --> 03:02:14,600 INCORPORATION OF THE NEUTROPHILS 5055 03:02:14,600 --> 03:02:16,240 WITH THE IMMUNOFLUORESCENCE THAT 5056 03:02:16,240 --> 03:02:18,200 YOU SEE HERE. 5057 03:02:18,200 --> 03:02:24,000 WE CAN ALSO LOOK AT ZIKA VIRUS, 5058 03:02:24,000 --> 03:02:24,440 FOR EXAMPLE. 5059 03:02:24,440 --> 03:02:26,200 THIS WAS DONE IN TESTICULAR 5060 03:02:26,200 --> 03:02:27,720 TISSUE, SHOWING HOW WE CAN 5061 03:02:27,720 --> 03:02:29,120 ACTUALLY INFECT THESE WITH THE 5062 03:02:29,120 --> 03:02:32,200 ZIKA VIRUS AND LOOK AT THE 5063 03:02:32,200 --> 03:02:33,080 NATURAL HISTORY OF THE VIRUS 5064 03:02:33,080 --> 03:02:35,480 OVER TIME. 5065 03:02:35,480 --> 03:02:37,240 WE ALSO LOOKED AT COVID. 5066 03:02:37,240 --> 03:02:38,560 AS YOU CAN SEE HERE WITH THE 5067 03:02:38,560 --> 03:02:42,080 COVID INFECTION, WE CAN SHOW 5068 03:02:42,080 --> 03:02:45,000 THAT THE LUNG IS POSITIVE FOR 5069 03:02:45,000 --> 03:02:49,360 ACE 2, AND THEN YOU CAN SEE THE 5070 03:02:49,360 --> 03:02:51,000 SARS SPIKE PROTEIN WITHIN THE 5071 03:02:51,000 --> 03:02:54,560 ORGANOIDS AND YOU CAN SEE THE 5072 03:02:54,560 --> 03:02:56,920 EXPANSION OF THE VIRUS AS YOU 5073 03:02:56,920 --> 03:02:59,120 WOULD SEE WITH HEIGHTENED 5074 03:02:59,120 --> 03:03:01,440 REPLICATION AT DAY # 3 TO 4-RBS 5075 03:03:01,440 --> 03:03:05,680 WHICH IS WHAT YOU H 5076 03:03:05,680 --> 03:03:08,320 YOU WOULD SEE IN HUMANS. 5077 03:03:08,320 --> 03:03:10,200 -- MAXIMIZED AT DAY 4 ALSO WHAT 5078 03:03:10,200 --> 03:03:11,840 YOU WOULD SEE IN A HUMAN MODEL. 5079 03:03:11,840 --> 03:03:15,320 SO THESE REALLY DO RESPOND TO 5080 03:03:15,320 --> 03:03:16,440 THESE MODELS VERY WELL. 5081 03:03:16,440 --> 03:03:17,920 WE'RE NOT LOOKING AT THE TRAN 5082 03:03:17,920 --> 03:03:23,000 SCRIP TOE MINK ANALYSIS 5083 03:03:23,000 --> 03:03:24,160 TRANSCRIPTOMIC ANALYSIS OF 5084 03:03:24,160 --> 03:03:26,040 DRUGGABLE TARGETS, LOOKING AT 5085 03:03:26,040 --> 03:03:26,920 POTENTIAL DRUG TARGETS FOR THE 5086 03:03:26,920 --> 03:03:27,400 FUTURE. 5087 03:03:27,400 --> 03:03:29,040 AND ALSO LOOKING AT, FOR 5088 03:03:29,040 --> 03:03:30,760 EXAMPLE, WE DID USE OUR SYSTEM 5089 03:03:30,760 --> 03:03:33,160 TO TEST ANTIVIRAL AGENTS DURING 5090 03:03:33,160 --> 03:03:35,000 THE COVID PANDEMIC, AND ONE OF 5091 03:03:35,000 --> 03:03:40,240 THESE AISHTS IS NOW IN ENTRY 5092 03:03:40,240 --> 03:03:41,120 PHASE 2 CLINICAL TRIALS SHOWING 5093 03:03:41,120 --> 03:03:43,320 THIS AGENT WAS EFFECTIVE AGAINST 5094 03:03:43,320 --> 03:03:44,640 THE SARS-COV-2 VIRUS. 5095 03:03:44,640 --> 03:03:46,400 NOW WHAT DO THEY ACTUALLY LOOK 5096 03:03:46,400 --> 03:03:46,600 LIKE? 5097 03:03:46,600 --> 03:03:48,360 THIS IS AN ACTUAL PRINTED CHIP. 5098 03:03:48,360 --> 03:03:50,320 SO WE PRINT BOTH THE CHIP AND 5099 03:03:50,320 --> 03:03:52,720 THE ORGANOIDS TOGETHER, AND THIS 5100 03:03:52,720 --> 03:03:55,480 PARTICULAR ONE, WE HAVE LIVER, 5101 03:03:55,480 --> 03:03:57,560 KIDNEY AND OVARY ALL PRINTED 5102 03:03:57,560 --> 03:03:57,880 TOGETHER. 5103 03:03:57,880 --> 03:03:59,320 SO THE WHOLE STRUCTURE WAS 5104 03:03:59,320 --> 03:04:01,720 PRINTED HERE, THE CHIP AND THE 5105 03:04:01,720 --> 03:04:02,040 CELLS. 5106 03:04:02,040 --> 03:04:03,560 THE ONLY THING THAT WAS NOT 5107 03:04:03,560 --> 03:04:04,760 PRINTED WAS THE TUBING AND THE 5108 03:04:04,760 --> 03:04:05,400 GLASS SLIDE. 5109 03:04:05,400 --> 03:04:06,960 BUT EVERYTHING ELSE WAS PRINTED. 5110 03:04:06,960 --> 03:04:11,440 AND YOU CAN SEE HERE THAT WE CAN 5111 03:04:11,440 --> 03:04:12,240 PUT SIX TOGETHER. 5112 03:04:12,240 --> 03:04:13,440 IN THIS PARTICULAR ONE, WE HAVE 5113 03:04:13,440 --> 03:04:15,120 LIVER, HEART, INTESTINE, LUNG, 5114 03:04:15,120 --> 03:04:17,680 BLOOD VESSELS AND TESTES, WE CAN 5115 03:04:17,680 --> 03:04:18,840 HOOK UP 12 OF THESE TOGETHER IN 5116 03:04:18,840 --> 03:04:19,520 THE SAME SYSTEM. 5117 03:04:19,520 --> 03:04:21,280 AND WE'RE STARTING TO SEE NOW 5118 03:04:21,280 --> 03:04:22,280 THINGS THAT WE COULDN'T SEE 5119 03:04:22,280 --> 03:04:23,920 BEFORE. 5120 03:04:23,920 --> 03:04:27,080 SO FOR EXAMPLE, BLEOMYCIN IS 5121 03:04:27,080 --> 03:04:29,360 KNOWN TO BE TOXIC TO THE LUNG. 5122 03:04:29,360 --> 03:04:30,560 AND THAT'S BEEN KNOWN FOR 5123 03:04:30,560 --> 03:04:31,560 DECADES. 5124 03:04:31,560 --> 03:04:35,160 AND SO TO OUR SURPRISE, WHEN WE 5125 03:04:35,160 --> 03:04:36,720 PUT IT IN OUR SYSTEM, THE HEART 5126 03:04:36,720 --> 03:04:38,040 STOPPED BEATING AND WE COULDN'T 5127 03:04:38,040 --> 03:04:39,760 FIGURE OUT WHY THE HEART STOPPED 5128 03:04:39,760 --> 03:04:40,520 BEATING BECAUSE THERE'S NOTHING 5129 03:04:40,520 --> 03:04:42,040 IN THE LITERATURE TO SUGGEST 5130 03:04:42,040 --> 03:04:45,680 THAT THESE ORGANOIDS WOULD STOP 5131 03:04:45,680 --> 03:04:47,440 THE HEART -- THESE HEART 5132 03:04:47,440 --> 03:04:48,520 ORGANOIDS WOULD BE AFFECTED. 5133 03:04:48,520 --> 03:04:50,080 SO WE PUT A NEW BATCH IN. 5134 03:04:50,080 --> 03:04:51,680 SAME CHALLENGE, THEY AGAIN 5135 03:04:51,680 --> 03:04:53,000 WERE -- THEY STOPPED BEATING, SO 5136 03:04:53,000 --> 03:04:54,960 WE THOUGHT MAYBE IT WAS A LIVER 5137 03:04:54,960 --> 03:04:55,280 METABOLITE. 5138 03:04:55,280 --> 03:04:56,720 WE PULLED THE LIVER OUT, THEY 5139 03:04:56,720 --> 03:04:58,480 STILL STOPPED BEATING. 5140 03:04:58,480 --> 03:05:00,000 TURNS OUT THAT WHEN THE LUNG 5141 03:05:00,000 --> 03:05:02,320 STARTS TO BE TOXIC FROM THE 5142 03:05:02,320 --> 03:05:03,520 BLEOMYCIN, THAT THERE'S 5143 03:05:03,520 --> 03:05:05,360 SECRETION OF INTERLEUKINS AND 5144 03:05:05,360 --> 03:05:07,960 THE INTERLEUKINS, IN FACT, CAN 5145 03:05:07,960 --> 03:05:11,160 BE CARDIOTOXIC, SO THE FACT IS 5146 03:05:11,160 --> 03:05:13,000 THAT WITH SUBCLINICALLY, THIS IS 5147 03:05:13,000 --> 03:05:16,200 PROBABLY OCCURRING, WE DON'T SEE 5148 03:05:16,200 --> 03:05:17,200 IT BECAUSE BY THE TIME WE PULL 5149 03:05:17,200 --> 03:05:18,800 THE DRUG, THIS CHEMOTHERAPY 5150 03:05:18,800 --> 03:05:20,120 AGENT THAT IS COMMONLY USED, BY 5151 03:05:20,120 --> 03:05:21,480 THE TIME WE PULL IT FROM THE 5152 03:05:21,480 --> 03:05:23,640 PATIENT, YOU PROBABLY DO HAVE 5153 03:05:23,640 --> 03:05:24,520 CARDIAC SUBCLINICAL TOXICITY 5154 03:05:24,520 --> 03:05:25,160 GOING ON. 5155 03:05:25,160 --> 03:05:26,880 WE'RE NOW STARTING TO SEE THINGS 5156 03:05:26,880 --> 03:05:30,840 THAT BEFORE WERE NOT POSSIBLE TO 5157 03:05:30,840 --> 03:05:31,520 SEE. 5158 03:05:31,520 --> 03:05:32,720 HOW DOES THE SYSTEM WORK 5159 03:05:32,720 --> 03:05:33,920 ACTUALLY IN TERMS OF DRUGS? 5160 03:05:33,920 --> 03:05:36,320 SO WE TOOK ABOUT 40 DRUGS THAT 5161 03:05:36,320 --> 03:05:37,840 WERE RECALLED BY THE FDA. 5162 03:05:37,840 --> 03:05:40,040 I'M GOING TO GIVE YOU A COUPLE 5163 03:05:40,040 --> 03:05:41,160 EXAMPLES HERE, WHERE THERE ARE 5164 03:05:41,160 --> 03:05:43,200 DRASTIC DIFFERENCES. 5165 03:05:43,200 --> 03:05:46,600 THIS IS HISMANAL, ANTIHISTAMINE 5166 03:05:46,600 --> 03:05:48,120 THAT HAD BEEN USED IN THE 5167 03:05:48,120 --> 03:05:48,960 MARKETPLACE FOR 11 YEARS. 5168 03:05:48,960 --> 03:05:50,840 THE DRUG HAD BEEN TESTED IN THEY 5169 03:05:50,840 --> 03:05:54,600 WILL LINES, NO TOXICITY, ANIMAL 5170 03:05:54,600 --> 03:05:55,880 MODELS, NO TOXICITY. 5171 03:05:55,880 --> 03:05:58,840 HUMAN CLINICAL TRIALS, NO 5172 03:05:58,840 --> 03:05:59,840 TOXICITY. 5173 03:05:59,840 --> 03:06:01,040 GETS RELEASED INTO THE 5174 03:06:01,040 --> 03:06:01,800 MARKETPLACE, 11 YEARS LATER, 5175 03:06:01,800 --> 03:06:02,880 THEY FINALLY CONNECT THE DOTS 5176 03:06:02,880 --> 03:06:04,640 FOR THIS OVER THE COUNTER DRUG 5177 03:06:04,640 --> 03:06:05,960 TO SHOW THIS WAS ACTUALLY 5178 03:06:05,960 --> 03:06:11,120 CAUSING HEART BLOCK. 5179 03:06:11,120 --> 03:06:12,840 THE DRUG WAS RECALLED BY THE 5180 03:06:12,840 --> 03:06:15,280 FDA, WE TRUSTED THE DRUG, IN TWO 5181 03:06:15,280 --> 03:06:16,600 WEEKS WE KNEW THE DRUG WAS TOXIC 5182 03:06:16,600 --> 03:06:20,160 TO THE HEART, SAME RESPONSE IN 5183 03:06:20,160 --> 03:06:20,360 HUMAN. 5184 03:06:20,360 --> 03:06:22,600 THIS IS MORE OF A TRAGIC STORY. 5185 03:06:22,600 --> 03:06:25,120 THIS IS REZULIN, AN ANTIDIABETIC 5186 03:06:25,120 --> 03:06:26,200 ON THE MARKETPLACE FOR THREE 5187 03:06:26,200 --> 03:06:26,520 YEARS. 5188 03:06:26,520 --> 03:06:30,040 SAME, HAD BEEN TESTED IN CELL 5189 03:06:30,040 --> 03:06:33,200 LINES, ANIMAL MODEL, PHASE 1, 5190 03:06:33,200 --> 03:06:33,920 2 AND 3 HUMAN CLINICAL TRIALS, 5191 03:06:33,920 --> 03:06:35,160 ON THE MARKET FOR THREE YEARS 5192 03:06:35,160 --> 03:06:38,760 AND BASICALLY WHAT WE SAW WAS A 5193 03:06:38,760 --> 03:06:40,320 MAJOR CHALLENGE WITH 63 DEATHS 5194 03:06:40,320 --> 03:06:42,960 DUE TO LIVER FAILURE WITHIN 5195 03:06:42,960 --> 03:06:46,760 THREE YEARS. 5196 03:06:46,760 --> 03:06:49,360 SO WE WERE ABLE TO GET THE DRUG 5197 03:06:49,360 --> 03:06:54,840 TESTED IN OUR SYSTEM, SAME HUMAN 5198 03:06:54,840 --> 03:06:55,520 DRUG DOSE-RESPONSE. 5199 03:06:55,520 --> 03:06:58,680 SO THE SYSTEM IS FAIRLY USEFUL 5200 03:06:58,680 --> 03:06:59,760 WHEN LOOKING AT THESE DRUGS. 5201 03:06:59,760 --> 03:07:04,600 WE'RE NOW USING THIS FOR CANCER. 5202 03:07:04,600 --> 03:07:06,120 WE HAVE ABOUT 12 DIFFERENT 5203 03:07:06,120 --> 03:07:06,760 CLINICAL TRIALS GOING ON WHERE 5204 03:07:06,760 --> 03:07:07,920 WE TAKE TISSUES FROM PATIENTS 5205 03:07:07,920 --> 03:07:10,400 HERE AT WAKE FOREST WITH TUMORS, 5206 03:07:10,400 --> 03:07:12,320 WE CREATE A TUMOR IN A CHIP, WE 5207 03:07:12,320 --> 03:07:14,520 CAN THEN USE CHEMOTHERAPY AGENTS 5208 03:07:14,520 --> 03:07:16,320 TO LOOK AT PREDICTIVE MODELING 5209 03:07:16,320 --> 03:07:17,160 OF WHAT WOULD BE THE BEST 5210 03:07:17,160 --> 03:07:18,760 TREATMENT FOR THE PATIENTS IN 5211 03:07:18,760 --> 03:07:19,760 THE FUTURE. 5212 03:07:19,760 --> 03:07:22,520 SO THIS IS ACTUALLY ACTIVELY 5213 03:07:22,520 --> 03:07:22,840 ONGOING. 5214 03:07:22,840 --> 03:07:23,840 WE HAVE SEVERAL PROGRAMS RIGHT 5215 03:07:23,840 --> 03:07:25,240 NOW, WE HAVE A PROGRAM FROM 5216 03:07:25,240 --> 03:07:27,120 BARDA LOOKING AT CHEMICAL 5217 03:07:27,120 --> 03:07:29,520 AGENTS, A PROGRAM FROM DTRA 5218 03:07:29,520 --> 03:07:31,920 LOOKING AT NERVE AGENTS AND A 5219 03:07:31,920 --> 03:07:32,840 RECENT PROGRAM, WE'RE GOING TO 5220 03:07:32,840 --> 03:07:33,800 BE LOOKING AT VIRUSES. 5221 03:07:33,800 --> 03:07:35,000 SO BASICALLY HERE WHAT WE DO IS 5222 03:07:35,000 --> 03:07:37,640 WE ARE LOOKING AT A SELECTION OF 5223 03:07:37,640 --> 03:07:38,480 RELEVANT ORGAN TISSUE 5224 03:07:38,480 --> 03:07:38,920 EQUIVALENTS. 5225 03:07:38,920 --> 03:07:40,880 WE CAN EXPOSE THEM TO THE 5226 03:07:40,880 --> 03:07:42,640 VIRUSES OF INTEREST. 5227 03:07:42,640 --> 03:07:45,160 WE CAN THEN ANALYZE FOR 5228 03:07:45,160 --> 03:07:47,320 BIOMARKERS AND THEN WE CAN LOOK 5229 03:07:47,320 --> 03:07:49,880 AT A WIDE RANGE OF DOSES AND 5230 03:07:49,880 --> 03:07:51,720 RESPONSES FROM MILD TO SEVERE, 5231 03:07:51,720 --> 03:07:53,720 AND THEN BASICALLY WE'RE LOOKING 5232 03:07:53,720 --> 03:07:56,200 AT ALL THE OMICS. 5233 03:07:56,200 --> 03:07:58,080 SO CURRENTLY FOR EXAMPLE FOR 5234 03:07:58,080 --> 03:07:59,600 CHEMICAL PROGRAM AND SAME THING 5235 03:07:59,600 --> 03:08:01,000 FOR VIRAL PROGRAM, WE'LL BE 5236 03:08:01,000 --> 03:08:04,000 LOOKING AT TRANSCRIPTOMICS, 5237 03:08:04,000 --> 03:08:05,640 PROTEOMICS, METABOLOMICS. 5238 03:08:05,640 --> 03:08:07,600 WE LIKE TO SAY THERE ARE NO 5239 03:08:07,600 --> 03:08:08,360 OMICS LEFT BEHIND. 5240 03:08:08,360 --> 03:08:09,480 BUT THIS IS BASICALLY BEING DONE 5241 03:08:09,480 --> 03:08:11,880 SO WE CAN APPLY THESE CAPABILITY 5242 03:08:11,880 --> 03:08:13,400 TO GENERATE HIGH QUALITY AND 5243 03:08:13,400 --> 03:08:15,040 REPRODUCIBLE DATASETS FOR 5244 03:08:15,040 --> 03:08:16,760 DOWNSTREAM INTEGRATED 5245 03:08:16,760 --> 03:08:18,200 BIOINFORMATIC AND STATISTICAL 5246 03:08:18,200 --> 03:08:19,600 ANALYSIS SO WE CAN THEN IN THE 5247 03:08:19,600 --> 03:08:23,120 FUTURE TAKE A KNOWN VIRUS, LOOK 5248 03:08:23,120 --> 03:08:26,280 AT HOW THE VIRUS REPLICATE, LOOK 5249 03:08:26,280 --> 03:08:28,360 INTO BIG DATA, LOOK AT THE 5250 03:08:28,360 --> 03:08:29,880 BIOMARKERS, USE ARTIFICIAL 5251 03:08:29,880 --> 03:08:30,560 INTELLIGENCE AND MACHINE 5252 03:08:30,560 --> 03:08:33,400 LEARNING, SO WE CAN LOOK AT 5253 03:08:33,400 --> 03:08:36,000 EXPOSURE AND PROGNOSTIC 5254 03:08:36,000 --> 03:08:38,680 BIOMARKERS, LOOK AT PROPHYLAX S 5255 03:08:38,680 --> 03:08:39,280 AND THERAPEUTICS. 5256 03:08:39,280 --> 03:08:42,920 WE'RE USING THIS SYSTEM FOR 5257 03:08:42,920 --> 03:08:44,680 IDENTIFYING AND CREATING NEW 5258 03:08:44,680 --> 03:08:45,000 COMPOUNDS. 5259 03:08:45,000 --> 03:08:46,520 WE ARE NOW APPROACHING THROUGH 5260 03:08:46,520 --> 03:08:48,160 THE PATHWAY OF CLINICAL 5261 03:08:48,160 --> 03:08:49,920 TRANSLATION. 5262 03:08:49,920 --> 03:08:52,000 AND OF COURSE WITH THE SYSTEMS, 5263 03:08:52,000 --> 03:08:53,120 THERE'S STILL WORK TO BE DONE. 5264 03:08:53,120 --> 03:08:56,360 WE HAVE TO LOOK AT RELIABLE CELL 5265 03:08:56,360 --> 03:08:59,320 SOURCING, WE HAVE TO LOOK AT 5266 03:08:59,320 --> 03:08:59,960 INFECTIVITY STANDARDS, 5267 03:08:59,960 --> 03:09:01,760 REPRODUCIBILITY, AND GENETIC 5268 03:09:01,760 --> 03:09:02,520 VARIABILITY SO THERE'S STILL A 5269 03:09:02,520 --> 03:09:03,720 LOT OF WORK THAT NEEDS TO BE 5270 03:09:03,720 --> 03:09:06,200 DONE, BUT CERTAINLY IT'S A 5271 03:09:06,200 --> 03:09:07,760 SYSTEM THAT CAN LEND ITSELF TO 5272 03:09:07,760 --> 03:09:08,600 BEING USEFUL. 5273 03:09:08,600 --> 03:09:11,040 WE DO HAVE THIS CONSORTIUM 5274 03:09:11,040 --> 03:09:13,000 THAT'S LOOKING AT DEVELOPING 5275 03:09:13,000 --> 03:09:15,040 THIS AI MACHINE LEARNING 5276 03:09:15,040 --> 03:09:16,200 CAPABILITIES TO ACCELERATE DRUG 5277 03:09:16,200 --> 03:09:18,120 SCREENING AND DISCOVERY, AND 5278 03:09:18,120 --> 03:09:19,560 LOOKING -- OUR FOUNDING MEMBER 5279 03:09:19,560 --> 03:09:23,720 WAS ORACLE, SO THEY CAN -- TO 5280 03:09:23,720 --> 03:09:24,920 HELP MANAGE ASPECTS RELATED TO 5281 03:09:24,920 --> 03:09:26,880 THE A.I. FOR FUTURE BIOMARKER 5282 03:09:26,880 --> 03:09:28,080 AND DRUG DEVELOPMENT. 5283 03:09:28,080 --> 03:09:30,960 SO WE HAVE A LARGE PORTFOLIO OF 5284 03:09:30,960 --> 03:09:32,160 TISSUES AND ORGANOIDS SO WE CAN 5285 03:09:32,160 --> 03:09:35,400 PUT INTO THESE CHIPS. 5286 03:09:35,400 --> 03:09:36,960 WHAT WE NOW CALL THE BODY IN A 5287 03:09:36,960 --> 03:09:38,160 CHIP. 5288 03:09:38,160 --> 03:09:39,240 AND BASICALLY A LOT OF 5289 03:09:39,240 --> 03:09:40,880 PUBLICATIONS THAT HAVE COME OUT 5290 03:09:40,880 --> 03:09:42,640 OF OUR TEAM HERE AT THE WAKE 5291 03:09:42,640 --> 03:09:43,720 FOREST INSTITUTE FOR 5292 03:09:43,720 --> 03:09:44,280 REGENERATIVE MEDICINE, JUST 5293 03:09:44,280 --> 03:09:47,440 REALLY A TERRIFIC TEAM. 5294 03:09:47,440 --> 03:09:48,640 AND I'D LIKE TO THANK YOU ALL 5295 03:09:48,640 --> 03:09:51,280 FOR YOUR ATTENTION AND THANK YOU 5296 03:09:51,280 --> 03:09:53,960 AGAIN FOR HAVING ME. 5297 03:09:53,960 --> 03:09:55,520 >> THANKS SO MUCH, TONY, FOR THE 5298 03:09:55,520 --> 03:10:03,120 VERY NICE OVERVIEW. 5299 03:10:03,120 --> 03:10:04,800 THINK THE BREAK WAS AT 2:40. 5300 03:10:04,800 --> 03:10:05,960 I THINK IF ALL THE SPEAKERS CAN 5301 03:10:05,960 --> 03:10:08,640 STAY FOR THE QUESTION AND ANSWER 5302 03:10:08,640 --> 03:10:14,800 SESSION, WHICH IS GOING TO BE, I 5303 03:10:14,800 --> 03:10:17,840 BELIEVE, AT 3:40, I THINK I 5304 03:10:17,840 --> 03:10:22,800 WOULD RATHER TAKE THE BREAK NOW 5305 03:10:22,800 --> 03:10:24,280 UNTIL 3:00, AND THEN WE'LL 5306 03:10:24,280 --> 03:10:26,680 RESUME THE SESSION AT 3:00 AND 5307 03:10:26,680 --> 03:10:28,880 THEN HAVE THE QUESTION AND 5308 03:10:28,880 --> 03:10:32,720 ANSWER SESSION AT 3:40. 5309 03:10:32,720 --> 03:10:34,720 IS THAT OKAY WITH EVERYONE? 5310 03:10:34,720 --> 03:10:36,440 SARINE, ARE YOU OKAY WITH THAT? 5311 03:10:36,440 --> 03:10:38,400 >> THAT'S PERFECT, IF EVERYONE 5312 03:10:38,400 --> 03:10:39,720 IS OKAY WITH THAT, WE SHOULD 5313 03:10:39,720 --> 03:10:40,320 STICK TO THE SCHEDULE. 5314 03:10:40,320 --> 03:10:41,720 >> ALL RIGHT. 5315 03:10:41,720 --> 03:10:44,320 THANK YOU, ALL THE SPEAKERS, AND 5316 03:10:44,320 --> 03:10:45,760 WE'LL RESUME AT 3:00. 5317 03:10:45,760 --> 03:10:46,840 >> 3:00. 5318 03:10:46,840 --> 03:10:50,240 >> SEE YOU IN A BIT. 5319 03:10:50,240 --> 03:10:51,560 AND KEEP ADDING QUESTIONS TO THE 5320 03:10:51,560 --> 03:10:52,760 BOX. 5321 03:10:52,760 --> 03:11:03,120 WHILE YOU'RE ON BREAK. 5322 03:11:50,840 --> 03:11:57,280 THANK YOU FOR THE INTRODUCTION. 5323 03:11:57,280 --> 03:12:00,880 I'M JASON, POSTDOC FROM MIT. 5324 03:12:00,880 --> 03:12:04,840 TODAY I'M GOING TO REPRESENT MY 5325 03:12:04,840 --> 03:12:09,640 SUPERVISOR, ROGER KAMM, TO SHARE 5326 03:12:09,640 --> 03:12:12,160 VASCULOGENESIS AND ANGIOGENESIS 5327 03:12:12,160 --> 03:12:12,920 MODELS. 5328 03:12:12,920 --> 03:12:14,480 FOCUSING ON THE NEUROLOGICAL 5329 03:12:14,480 --> 03:12:16,760 DISEASE, CANCERS, AND ALSO LAST 5330 03:12:16,760 --> 03:12:20,480 PART OF MY TALK, I'M GOING TO 5331 03:12:20,480 --> 03:12:23,120 SHOW ROBUST STRATEGIES TO FORM 5332 03:12:23,120 --> 03:12:23,840 MICROVASCULAR NETWORKS, 5333 03:12:23,840 --> 03:12:29,840 HOPEFULLY IT WILL BE BENEFICIAL 5334 03:12:29,840 --> 03:12:30,560 FOR ANTIVIRAL DRUG DEVELOPMENT 5335 03:12:30,560 --> 03:12:32,040 AS WELL. 5336 03:12:32,040 --> 03:12:34,040 SO AS WE KNOW, 5337 03:12:34,040 --> 03:12:36,680 MICROPHYSIOLOGICAL SYSTEMS 5338 03:12:36,680 --> 03:12:39,720 ACTUALLY ATTRACT MORE AND MORE 5339 03:12:39,720 --> 03:12:42,480 ATTENTION RECENTLY BECAUSE OF 5340 03:12:42,480 --> 03:12:45,520 PARTIALLY TO RECALCULATE -- THE 5341 03:12:45,520 --> 03:12:47,720 ORGANIZE FORM AND FUNCTIONS 5342 03:12:47,720 --> 03:12:50,240 THROUGHOUT THE CELLS MODIFY 5343 03:12:50,240 --> 03:12:55,920 SCREENING DRUGS TO MIMIC DISEASE 5344 03:12:55,920 --> 03:12:58,000 MODELS, TISSUES, ORGANS ACTUALLY 5345 03:12:58,000 --> 03:12:59,520 FOCUSING ON THE CIRCULATION 5346 03:12:59,520 --> 03:13:04,120 SYSTEM AND AS WE ALL KNOW THAT 5347 03:13:04,120 --> 03:13:06,640 BLOOD OR NUTRIENTS IN CELLS 5348 03:13:06,640 --> 03:13:07,640 TRANSPORT THROUGH THE 5349 03:13:07,640 --> 03:13:08,600 CIRCULATION SYSTEM AND THEY ARE 5350 03:13:08,600 --> 03:13:09,600 VERY IMPORTANT FOR ALMOST ALL 5351 03:13:09,600 --> 03:13:14,520 THE OR ORGANS. 5352 03:13:14,520 --> 03:13:16,480 PARTICULARLY WE ARE INTERESTED 5353 03:13:16,480 --> 03:13:19,200 IN THE CAPILLARY, ENGINEERING OF 5354 03:13:19,200 --> 03:13:19,800 CAPILLARIES. 5355 03:13:19,800 --> 03:13:20,720 THEY HAVE THREE FEATURES. 5356 03:13:20,720 --> 03:13:22,480 ONE IS THEY ARE PERFUSABLE AS I 5357 03:13:22,480 --> 03:13:25,000 JUST MENTIONED, THE CELLS GET 5358 03:13:25,000 --> 03:13:26,640 TRANSPORTED THROUGH THE 5359 03:13:26,640 --> 03:13:28,400 CAPILLARIES. 5360 03:13:28,400 --> 03:13:29,480 THE SECOND FEATURE IS THEY HAVE 5361 03:13:29,480 --> 03:13:30,480 SMALL DIAMETER. 5362 03:13:30,480 --> 03:13:36,640 SOMETIMES THEY HAVE ONLY SINGLE 5363 03:13:36,640 --> 03:13:40,240 CELL CAN CUT THROUGH ONE 5364 03:13:40,240 --> 03:13:41,400 CAPILLARY, THE THIRD FEATURE IS 5365 03:13:41,400 --> 03:13:43,920 THEY ARE PERMEABLE, SO THEY CAN 5366 03:13:43,920 --> 03:13:46,720 TRANSPORT ACROSS THE ENDOTHELIUM 5367 03:13:46,720 --> 03:13:50,360 FROM THE LUMINAL SIDE TO THE 5368 03:13:50,360 --> 03:13:53,560 STROMAL SIDE. 5369 03:13:53,560 --> 03:13:58,480 SO TO MIMIC CAPILLARIES BY 5370 03:13:58,480 --> 03:14:02,000 PROFESSOR MIMMERY AND ALSO 5371 03:14:02,000 --> 03:14:06,240 PROFESSOR GRIFFIN, SO AT THE LAB 5372 03:14:06,240 --> 03:14:11,600 WE ACTUALLY USE MICRO -- TO 5373 03:14:11,600 --> 03:14:15,680 ENGINEER CAPILLARY-LIKE 5374 03:14:15,680 --> 03:14:21,560 STRUCTURES, SO -- DESIGNS, MOST 5375 03:14:21,560 --> 03:14:26,120 OF THEM SIMILAR TO THIS A -- 5376 03:14:26,120 --> 03:14:27,560 THREE CHANNELS. 5377 03:14:27,560 --> 03:14:30,320 IN THE CENTER THIS IS A GEL 5378 03:14:30,320 --> 03:14:32,480 CHANNEL, LEFT SIDE THEY HAVE 5379 03:14:32,480 --> 03:14:34,560 MEDIA CHANNEL. 5380 03:14:34,560 --> 03:14:36,000 ENDOTHELIAL CELLS AND STROMAL 5381 03:14:36,000 --> 03:14:42,880 CELLS INTO THE -- IN HYDROGEL 5382 03:14:42,880 --> 03:14:44,960 PRECURSOR AND WE INJECT IT -- 5383 03:14:44,960 --> 03:14:46,600 WE'RE GOING TO ADD THE MEDIA 5384 03:14:46,600 --> 03:14:56,240 INTO THE DEVICE SO -- SO BE SINK 5385 03:14:56,240 --> 03:14:58,120 GEL CELL ARE GOING TO MIGRATE, 5386 03:14:58,120 --> 03:14:59,520 PROLIFERATE, MAKE CONNECTIONS 5387 03:14:59,520 --> 03:15:00,720 AND EVENTUALLY THEY ARE GOING TO 5388 03:15:00,720 --> 03:15:04,960 FORM A NETWORK SO -- SHOWN IN 5389 03:15:04,960 --> 03:15:06,720 GREEN SO WE CALL IT 5390 03:15:06,720 --> 03:15:09,000 MICROVASCULAR NETWORKS AND ALL 5391 03:15:09,000 --> 03:15:12,600 THESE DEVICES HAVE LIKE 5392 03:15:12,600 --> 03:15:15,560 COMMERCIALLY AVAILABLE FROM AIM 5393 03:15:15,560 --> 03:15:21,480 BIOTECH. 5394 03:15:21,480 --> 03:15:24,880 SO OUR DEVICE TECHNIQUE ACTUALLY 5395 03:15:24,880 --> 03:15:26,880 PREPARED WITH ASSAYS, WE CAN 5396 03:15:26,880 --> 03:15:29,360 TAKE FLUORESCENT IMAGING OR USE 5397 03:15:29,360 --> 03:15:30,360 TEM TO SEE THE STRUCTURE. 5398 03:15:30,360 --> 03:15:33,080 WE CAN ALSO ATTRACT MORE 5399 03:15:33,080 --> 03:15:35,560 INFLAMMATION SUCH AS GENOMIC 5400 03:15:35,560 --> 03:15:38,760 RNA, DNA SEQUENCING, COMPARED 5401 03:15:38,760 --> 03:15:42,040 WITH OUR DEVICE, WE CAN SORT 5402 03:15:42,040 --> 03:15:43,240 CELLS, ALSO COLLECT MEDIA TO SEE 5403 03:15:43,240 --> 03:15:50,000 HOW THE PROTEINS ARE SECRETED BY 5404 03:15:50,000 --> 03:15:54,080 THE CELLS, DO SOME FUNCTIONAL 5405 03:15:54,080 --> 03:15:59,560 ANALYSIS SUCH AS MICRO 5406 03:15:59,560 --> 03:16:02,320 VASCULATURE -- TO SEE TUMOR 5407 03:16:02,320 --> 03:16:02,920 CELL -- ET CETERA. 5408 03:16:02,920 --> 03:16:05,680 SO I'M GOING TO SHOW ALL THOSE 5409 03:16:05,680 --> 03:16:07,120 ASSAYS AND APPLICATIONS USING 5410 03:16:07,120 --> 03:16:08,320 THE FOLLOWING EXAMPLES. 5411 03:16:08,320 --> 03:16:11,720 SO AS I MENTIONED THAT THE 5412 03:16:11,720 --> 03:16:14,000 CAPILLARIES, ONE OF THE FEATURES 5413 03:16:14,000 --> 03:16:15,520 IS -- IN OUR SYSTEM WE CAN 5414 03:16:15,520 --> 03:16:19,120 ACTUALLY DETECT THE 5415 03:16:19,120 --> 03:16:21,400 PERFUSABILITY BY ADDING 5416 03:16:21,400 --> 03:16:23,720 FLUORESCENT MOLECULES SUCH AS 5417 03:16:23,720 --> 03:16:25,920 DEX TRAN THROUGH THE MEDIA 5418 03:16:25,920 --> 03:16:31,560 CHANNEL. 5419 03:16:31,560 --> 03:16:32,400 ACTUALLY SEE THE TRANSPORT 5420 03:16:32,400 --> 03:16:37,680 THROUGH THE LUMEN AND THE 5421 03:16:37,680 --> 03:16:40,840 VASCULAR IMAGE -- WE CALL SUCH A 5422 03:16:40,840 --> 03:16:43,000 STRUCTURE AS THEY ARE PERFUSABLE 5423 03:16:43,000 --> 03:16:49,240 MICROVASCULAR NETWORKS. 5424 03:16:49,240 --> 03:16:50,800 ANOTHER FEATURE OF THE CAPILLARY 5425 03:16:50,800 --> 03:16:53,080 IS THEY ARE PERMEABLE, SO IF WE 5426 03:16:53,080 --> 03:16:55,920 PERFUSE SMALL MOLECULES -- VERY 5427 03:16:55,920 --> 03:16:59,200 SMALL AND THEN WE TOOK TWO 5428 03:16:59,200 --> 03:17:00,200 IMAGES AT DIFFERENT TIMES, WE 5429 03:17:00,200 --> 03:17:04,120 SEE ACTUALLY HOWL RAPID THE -- 5430 03:17:04,120 --> 03:17:05,880 ACROSS THE ENDOTHELIUM GET INTO 5431 03:17:05,880 --> 03:17:08,840 THE STROMA, YOU SEE THE STROMA 5432 03:17:08,840 --> 03:17:11,920 REGIONS HAVE HIGHER FLUORESCENT 5433 03:17:11,920 --> 03:17:12,560 SIGNALS. 5434 03:17:12,560 --> 03:17:19,680 WE PERFUSE -- SO THE MOLECULES 5435 03:17:19,680 --> 03:17:22,600 CAN GET THROUGH THE TIGHT 5436 03:17:22,600 --> 03:17:27,560 JUNCTIONS, -- CAN SEE THERE ARE 5437 03:17:27,560 --> 03:17:31,800 NO SIGNIFICANT FLUORESCENT 5438 03:17:31,800 --> 03:17:33,880 SIGNALS ACROSS THE LUMEN TO THE 5439 03:17:33,880 --> 03:17:35,720 STROMAL SITE. 5440 03:17:35,720 --> 03:17:37,080 SO IF YOU QUANTIFY THOSE 5441 03:17:37,080 --> 03:17:38,200 FLUORESCENT SIGNALS, WE CAN 5442 03:17:38,200 --> 03:17:40,760 ACTUALLY MEASURE THE PERM 5443 03:17:40,760 --> 03:17:41,520 PERMEABILITY OF THE VESSELS. 5444 03:17:41,520 --> 03:17:44,160 SO WHAT I WANT TO SHOW HERE IS 5445 03:17:44,160 --> 03:17:46,080 THE GREEN ONES ARE THE ONES IN 5446 03:17:46,080 --> 03:17:48,960 VIVO USING OUR IN VITRO SYSTEM. 5447 03:17:48,960 --> 03:17:51,600 SO JUST TO -- THE IMPRESSION 5448 03:17:51,600 --> 03:17:55,640 THAT OUR MODEL IS REALLY -- HAS 5449 03:17:55,640 --> 03:17:56,960 SIMILAR PERMEABILITY COMPARED TO 5450 03:17:56,960 --> 03:17:58,800 THE ONES MEASURED IN VIVO. 5451 03:17:58,800 --> 03:18:02,240 COMPARED TO THE TRADITIONAL 5452 03:18:02,240 --> 03:18:03,840 2D -- METHOD TO MEASURE THE 5453 03:18:03,840 --> 03:18:04,960 PERMEABILITY, THEY HAVE MORE -- 5454 03:18:04,960 --> 03:18:08,760 THEY ARE BETTER, THEY HAVE A 5455 03:18:08,760 --> 03:18:09,120 LOWER MOBILITY. 5456 03:18:09,120 --> 03:18:11,200 SO THOSE ARE FROM USING THOSE 5457 03:18:11,200 --> 03:18:14,120 FLUORESCENT SIGNAL BASED ON 5458 03:18:14,120 --> 03:18:15,760 PERMEABILITY, WE ALSO SEE SOME 5459 03:18:15,760 --> 03:18:18,200 STRUCTURE FROM OUR MUTUAL MODELS 5460 03:18:18,200 --> 03:18:19,720 VERY SIMILAR TO THE ONES IN VIVO 5461 03:18:19,720 --> 03:18:23,320 THAT YOU CAN SEE THOSE TIGHT 5462 03:18:23,320 --> 03:18:27,680 JUNCTIONS, VERY TINY CONNECTION 5463 03:18:27,680 --> 03:18:29,360 AND ALSO YOU CAN SEE THE 5464 03:18:29,360 --> 03:18:33,720 VESICLES DURING THE ACTIVE 5465 03:18:33,720 --> 03:18:34,240 TRANSPORTATION. 5466 03:18:34,240 --> 03:18:37,520 SO WE GET THE IMPRESSION INDEED 5467 03:18:37,520 --> 03:18:38,960 OUR -- MAY MAKE IN VIVO 5468 03:18:38,960 --> 03:18:40,040 CAPILLARY WELL. 5469 03:18:40,040 --> 03:18:42,560 NOT ONLY WE CAN PERFUSE THOSE 5470 03:18:42,560 --> 03:18:44,520 MOLECULES BUT PERFUSE OTHER 5471 03:18:44,520 --> 03:18:46,280 PARTICLES, SO AS FROM HERE, RED 5472 03:18:46,280 --> 03:18:48,360 AND WE CAN ALSO USE SIMILAR 5473 03:18:48,360 --> 03:18:50,920 STRATEGY TO SEE THE PERMEABILITY 5474 03:18:50,920 --> 03:18:52,120 OF NANOPARTICLES TO COMPARE 5475 03:18:52,120 --> 03:19:00,600 WHETHER THEY ARE MODIFIED OR 5476 03:19:00,600 --> 03:19:01,480 WITHOUT MODIFICATION, CAN 5477 03:19:01,480 --> 03:19:06,080 REGULATE THE STRATEGIES TO 5478 03:19:06,080 --> 03:19:07,720 IMPROVE THE DRUG -- SO NEXT I'M 5479 03:19:07,720 --> 03:19:12,760 GOING TO TALK ABOUT THE BBB 5480 03:19:12,760 --> 03:19:14,120 SYSTEM, BLOOD BRAIN BARRIER, 5481 03:19:14,120 --> 03:19:15,720 QUITE A UNIQUE STRUCTURE, THEY 5482 03:19:15,720 --> 03:19:18,680 HAVE VERY TIGHT JUNCTION AND 5483 03:19:18,680 --> 03:19:23,160 ALSO THEY HAVE VERY HIGH 5484 03:19:23,160 --> 03:19:24,240 SELECTIVITY, ALL THE MOLECULES 5485 03:19:24,240 --> 03:19:26,000 CAN CUT THROUGH THE ENDOTHELIUM 5486 03:19:26,000 --> 03:19:29,520 AND INTO THE BRAIN SO YOU DON'T 5487 03:19:29,520 --> 03:19:31,080 WANT EVERYTHING GETTING -- THE 5488 03:19:31,080 --> 03:19:32,880 BRAIN TO MESS UP ANYTHING, SO 5489 03:19:32,880 --> 03:19:37,600 THEY HAVE SOME UNIQUE TRANSPORT 5490 03:19:37,600 --> 03:19:39,240 CHANNELS THAT HELP THE MOLECULES 5491 03:19:39,240 --> 03:19:39,600 TRANSPORTATION. 5492 03:19:39,600 --> 03:19:43,400 TO MIMIC SUCH -- STRUCTURE, THE 5493 03:19:43,400 --> 03:19:47,880 LAB ACTUALLY DEVELOPED A MODEL 5494 03:19:47,880 --> 03:19:50,400 USING -- ONE IS LIKE A HUMAN 5495 03:19:50,400 --> 03:19:52,800 DERIVED ENDOTHELIAL CELLS PAIRED 5496 03:19:52,800 --> 03:19:58,360 WITH THE BRAIN PERICYTES AND 5497 03:19:58,360 --> 03:20:00,000 ASTROCYTES, SO TWO DAYS THEY 5498 03:20:00,000 --> 03:20:03,160 FORM THE MICROVASCULAR NETWORKS, 5499 03:20:03,160 --> 03:20:09,640 SO WHAT WE FOUND IS -- CULTURE 5500 03:20:09,640 --> 03:20:11,800 CONDITIONS, THEY HAVE GOOD -- 5501 03:20:11,800 --> 03:20:13,600 COMPARED TO THE MOUSE BRAIN 5502 03:20:13,600 --> 03:20:19,920 MEASURED IN VIVO. 5503 03:20:19,920 --> 03:20:24,400 SO -- STROMAL CELLS, THE 5504 03:20:24,400 --> 03:20:28,320 PERMEABILITY -- THIS TELLS US 5505 03:20:28,320 --> 03:20:29,880 TO -- WE NEED ALL THOSE STROMAL 5506 03:20:29,880 --> 03:20:30,320 CELLS. 5507 03:20:30,320 --> 03:20:33,280 SO NOT ONLY WE TEST THE 5508 03:20:33,280 --> 03:20:35,760 FUNCTION, WE ALSO TEST THE 5509 03:20:35,760 --> 03:20:37,960 TRANSCRIPTOME RESULTS OF USING 5510 03:20:37,960 --> 03:20:42,640 OUR MODELS, SO WE COMPARE THE 2D 5511 03:20:42,640 --> 03:20:49,040 AND 3D USING HUMAN BRAIN -- 5512 03:20:49,040 --> 03:20:53,160 ENDOTHELIAL CELLS PAIRED WITH 5513 03:20:53,160 --> 03:20:54,600 PERICYTE AS MENTIONED. 5514 03:20:54,600 --> 03:20:57,760 SO THE RESULT 3D BETTER THAN 2D 5515 03:20:57,760 --> 03:21:00,280 AND ALSO WHEN WE HAVE 5516 03:21:00,280 --> 03:21:03,240 TRI-CULTURE, WE HAVE THE 5517 03:21:03,240 --> 03:21:05,120 PERICYTES OUTSIDE, THEN 5518 03:21:05,120 --> 03:21:06,400 ENDOTHELIAL CELLS EXPRESS HIGHER 5519 03:21:06,400 --> 03:21:08,360 LEVELS OF THOSE TIGHT JUNCTION 5520 03:21:08,360 --> 03:21:13,720 PROTEINS ANDS ARE AND ALSOS 5521 03:21:13,720 --> 03:21:17,800 AS AN EXAMPLE THAT -- SYSTEM 5522 03:21:17,800 --> 03:21:20,680 MIMIC BETTER THE -- SYSTEM IN 5523 03:21:20,680 --> 03:21:24,560 VIVO. 5524 03:21:24,560 --> 03:21:27,960 SO NOW BESIDES PROFUSE MOLECULES 5525 03:21:27,960 --> 03:21:30,360 ACTUALLY PERFUSE TUMORS BETWEEN 5526 03:21:30,360 --> 03:21:30,880 CELLS AS WELL. 5527 03:21:30,880 --> 03:21:33,000 SO HERE ARE SOME EXAMPLES OF 5528 03:21:33,000 --> 03:21:37,120 PERFUSED TUMOR CELLS, THEY WERE 5529 03:21:37,120 --> 03:21:40,640 GREEN -- MICRO VASCULATURE, WE 5530 03:21:40,640 --> 03:21:44,160 CAN SEE HOW THE TUMOR CELLS 5531 03:21:44,160 --> 03:21:45,360 EXTRAVASATED. 5532 03:21:45,360 --> 03:21:47,800 ACTUALLY MAKE A HOLE FROM -- IN 5533 03:21:47,800 --> 03:21:53,160 THE VESSELS AND THEN IN THIS WAY 5534 03:21:53,160 --> 03:21:55,640 THEY'RE -- MULTIPLE TYPES OF 5535 03:21:55,640 --> 03:21:57,080 CELLS, TUMOR CELLS, NEUTROPHILS 5536 03:21:57,080 --> 03:21:58,960 TO SEE HOW THOSE TWO CELLS 5537 03:21:58,960 --> 03:22:01,360 INTERACT WITH EACH OTHER. 5538 03:22:01,360 --> 03:22:06,160 SO USING COMBINED THE BB SYSTEM 5539 03:22:06,160 --> 03:22:08,120 AND ALSO TUMOR CELL MODEL, WE 5540 03:22:08,120 --> 03:22:14,720 ALSO STUDIED -- THEY PREFER 5541 03:22:14,720 --> 03:22:16,680 TO -- FOUND METASTASIZE WHEN 5542 03:22:16,680 --> 03:22:19,400 COCULTURED WITH TUMOR AND 5543 03:22:19,400 --> 03:22:20,280 ASTROCYTES ALONE THEY CREATE 5544 03:22:20,280 --> 03:22:24,120 HIGHER LEVEL OF CCL2, AND THOSE 5545 03:22:24,120 --> 03:22:27,280 ATTRACT TUMOR CELLS EXPRESSING 5546 03:22:27,280 --> 03:22:31,440 CCR2 TO WE ACTUALLY USE 5547 03:22:31,440 --> 03:22:34,040 ANTI-CCL2 TO BLOCK THE SECRETION 5548 03:22:34,040 --> 03:22:39,960 AND ALSO -- FROM THE TUMOR SITE 5549 03:22:39,960 --> 03:22:42,800 AND -- WE CAN REDUCE 5550 03:22:42,800 --> 03:22:43,600 EXTRAVASATION OF THE TUMOR 5551 03:22:43,600 --> 03:22:43,920 CELLS. 5552 03:22:43,920 --> 03:22:45,120 SO THIS IS AN EXAMPLE OF HOW TO 5553 03:22:45,120 --> 03:22:47,720 USE OUR MODEL SYSTEM, OUR -- 5554 03:22:47,720 --> 03:22:51,120 SYSTEM TO STUDY TUMORS IN 5555 03:22:51,120 --> 03:22:51,840 EXTRAVASATION. 5556 03:22:51,840 --> 03:22:54,520 WE ALSO DEVELOP SOME SOLID 5557 03:22:54,520 --> 03:22:58,240 TUMOR -- MODEL, SO SIMILAR LE WE 5558 03:22:58,240 --> 03:23:04,440 HAVE A THREE-CHANNEL DEVICE, THE 5559 03:23:04,440 --> 03:23:05,640 MISSION OF THE DEVICE IS 5560 03:23:05,640 --> 03:23:07,080 ACTUALLY LARGER SO IN THIS WAY, 5561 03:23:07,080 --> 03:23:09,840 WE CAN EMBED A LARGER TUMOR -- 5562 03:23:09,840 --> 03:23:13,440 INTO 5563 03:23:13,440 --> 03:23:15,720 SPHEROID INTO THE DEVICE SO WE 5564 03:23:15,720 --> 03:23:17,920 CAN ACTUALLY TEST THE 5565 03:23:17,920 --> 03:23:20,760 PERMEABILITY OF THE VESSELS AT A 5566 03:23:20,760 --> 03:23:23,560 DIFFERENT DISTANCE FROM THE 5567 03:23:23,560 --> 03:23:24,040 TUMOR. 5568 03:23:24,040 --> 03:23:25,560 THESE ARE CLOSE, THESE ARE FAR 5569 03:23:25,560 --> 03:23:26,000 AWAY FROM IT. 5570 03:23:26,000 --> 03:23:28,520 WE CAN ALSO USE THIS MODEL TO 5571 03:23:28,520 --> 03:23:32,160 SEE -- TO TEST DRUG 5572 03:23:32,160 --> 03:23:32,680 TRANSPORTATION. 5573 03:23:32,680 --> 03:23:36,840 OR WE CAN ALSO USE THIS 5574 03:23:36,840 --> 03:23:38,960 VASCULARIZED TUMOR MODEL TO TEST 5575 03:23:38,960 --> 03:23:46,680 FOR KA.-T-CELL CAR-T-CELL. 5576 03:23:46,680 --> 03:23:48,320 WHITE COLOR, WE CAN ACTUALLY SEE 5577 03:23:48,320 --> 03:23:49,960 HOW THOSE T-CELLS INTERACT WITH 5578 03:23:49,960 --> 03:23:51,080 THE TUMOR CELLS, WHICH IS SHOWN 5579 03:23:51,080 --> 03:23:55,560 IN RED, AND EVENTUALLY THEY CAN 5580 03:23:55,560 --> 03:23:58,720 SCAN THE DEAD CELLS TO SEE 5581 03:23:58,720 --> 03:24:04,400 CAR-T-CELL KILLING -- T-CELL 5582 03:24:04,400 --> 03:24:05,960 RESPONSE. 5583 03:24:05,960 --> 03:24:07,560 SO OTHER DEVICES THAT WE 5584 03:24:07,560 --> 03:24:09,880 ACTUALLY STUDIED THE 5585 03:24:09,880 --> 03:24:10,960 ANGIOGENESIS OF THE BLOOD 5586 03:24:10,960 --> 03:24:12,920 VESSELS ACROSS THE POROUS 5587 03:24:12,920 --> 03:24:13,400 MEMBRANES. 5588 03:24:13,400 --> 03:24:19,840 SO THERE IS A -- ON THE LEFT 5589 03:24:19,840 --> 03:24:21,040 SIDE -- THE NETWORKS FOR 5590 03:24:21,040 --> 03:24:23,680 TREATING THE DEVICE WITH OTHER 5591 03:24:23,680 --> 03:24:24,920 CYTOKINES OF THOSE -- ON THE 5592 03:24:24,920 --> 03:24:29,560 LEFT SIDE, SO THOSE ENDOTHELIAL 5593 03:24:29,560 --> 03:24:30,400 CELLS -- ANGIOGENESIS THROUGH 5594 03:24:30,400 --> 03:24:33,600 THOSE POROUS MEMBRANES ACROSS -- 5595 03:24:33,600 --> 03:24:35,240 SO IN THIS WAY JUST ONE EXAMPLE 5596 03:24:35,240 --> 03:24:40,200 TO SHOW YOU OTHER DEVICES FROM 5597 03:24:40,200 --> 03:24:42,800 THE LAB THAT CAN BE USED -- 5598 03:24:42,800 --> 03:24:43,040 STUDIES. 5599 03:24:43,040 --> 03:24:48,800 WE ALSO HAVE ANGIOGENESIS USING 5600 03:24:48,800 --> 03:24:51,320 LYMPHATIC ENDOTHELIAL CELLS. 5601 03:24:51,320 --> 03:24:54,840 SO INSTEAD OF PUTTING THEM INTO 5602 03:24:54,840 --> 03:24:56,560 THE GEL CHANNEL AND THE MEDIA 5603 03:24:56,560 --> 03:24:57,920 CHANNEL ON THE LEFT AND ON THE 5604 03:24:57,920 --> 03:25:02,600 RIGHT SIDE WE'RE GOING TO ADD DI 5605 03:25:02,600 --> 03:25:05,200 FLOW WE CAN SEE HOW THOSE 5606 03:25:05,200 --> 03:25:07,760 LYMPHATIC ENDOTHELIAL CELLS 5607 03:25:07,760 --> 03:25:08,840 ANGIOGENESIS -- STIMULUS, THAT 5608 03:25:08,840 --> 03:25:11,800 MAY MAKE THIS RELEVANT FOR 5609 03:25:11,800 --> 03:25:14,640 INFECTING -- ANG GENESIS. 5610 03:25:14,640 --> 03:25:15,640 ANGIOGENESIS. 5611 03:25:15,640 --> 03:25:18,880 WE ALSO DEVELOPED THIS MICRO 5612 03:25:18,880 --> 03:25:21,080 PUMP WE CALL A MICROHEART, SO WE 5613 03:25:21,080 --> 03:25:24,280 CAN CONNECT TO THE DEVICE, 5614 03:25:24,280 --> 03:25:25,040 IMMUNE CELLS, TUMOR CELLS, TO 5615 03:25:25,040 --> 03:25:35,400 SEE HOW THEY RESPOND. 5616 03:25:38,960 --> 03:25:39,560 VASCULARIZED ALZHEIMER'S DISEASE 5617 03:25:39,560 --> 03:25:40,640 MODEL. 5618 03:25:40,640 --> 03:25:42,480 SO I'M GOING TO TALK ABOUT THOSE 5619 03:25:42,480 --> 03:25:47,760 TWO ROBUST -- TO FORM 5620 03:25:47,760 --> 03:25:49,480 MICROVASCULAR NETWORKS AND 5621 03:25:49,480 --> 03:25:52,360 ALSO -- SPHRAT -- STRATEGI. 5622 03:25:52,360 --> 03:25:56,200 SO FOR THE -- AND OTHER LABS 5623 03:25:56,200 --> 03:25:58,480 WHICH WE USE PRIMARY CELLS, AND 5624 03:25:58,480 --> 03:26:00,040 WE KNOW PRIMARY CELLS HAVE BATCH 5625 03:26:00,040 --> 03:26:01,240 TO BATCH VARIATIONS. 5626 03:26:01,240 --> 03:26:06,280 IN THESE STUDIES, THEY ACTUALLY 5627 03:26:06,280 --> 03:26:09,320 COMPARED DIFFERENT LUNG 5628 03:26:09,320 --> 03:26:11,960 FIBROBLAST, SAME HUMAN UMBILICAL 5629 03:26:11,960 --> 03:26:15,320 VEIN ENDOTHELIAL CELLS TO FORM 5630 03:26:15,320 --> 03:26:17,960 MICROVASCULAR NETWORKS. 5631 03:26:17,960 --> 03:26:20,680 -- THEY ARE TOTALLY DIFFERENT. 5632 03:26:20,680 --> 03:26:25,840 SO THIS INDEED TELLS US THOSE 5633 03:26:25,840 --> 03:26:27,240 PRIMARY CELLS SIGNIFICANT AND 5634 03:26:27,240 --> 03:26:28,880 EVEN THOUGH YOU FIND A GOOD PAIR 5635 03:26:28,880 --> 03:26:32,160 OF STROMAL CELLS AND IND THEEL 5636 03:26:32,160 --> 03:26:33,600 YAL CELLS, THEY STILL HAVE -- IN 5637 03:26:33,600 --> 03:26:34,080 THEM. 5638 03:26:34,080 --> 03:26:41,480 SO WE TOOK ADVANTAGE OF -- USING 5639 03:26:41,480 --> 03:26:44,120 HTERT -- INTO THE ENDOTHELIAL 5640 03:26:44,120 --> 03:26:48,040 CELLS, FIBROBLASTS TO MAKE THEM 5641 03:26:48,040 --> 03:26:52,760 SIMILAR TO A CELL LINE -- THEY 5642 03:26:52,760 --> 03:26:54,600 CAN FORM MICROVASCULAR NETWORK 5643 03:26:54,600 --> 03:26:55,920 SIMILAR TO THE PRIMARY CELLS IN 5644 03:26:55,920 --> 03:26:57,760 TERMS OF THEIR MORPHOLOGY, AND 5645 03:26:57,760 --> 03:27:00,400 SINCE THEY ARE IMMORTGAGIZED, WE 5646 03:27:00,400 --> 03:27:01,680 CAN PASSAGE THEM OVER 20 TIMES, 5647 03:27:01,680 --> 03:27:04,880 THEY ARE STILL GOOD FOR MICRO 5648 03:27:04,880 --> 03:27:07,080 MICROVASCULAR NETWORK FORMATION, 5649 03:27:07,080 --> 03:27:10,920 NOT ONLY WE TRIED THIS IN HUMAN 5650 03:27:10,920 --> 03:27:13,520 ALSO -- DERMAL ENDOTHELIAL CELLS 5651 03:27:13,520 --> 03:27:17,000 TO MIMIC THE SKIN MODEL, SO ALL 5652 03:27:17,000 --> 03:27:19,520 THIS TELLS YOU -- THIS IS -- 5653 03:27:19,520 --> 03:27:21,840 CELLS ARE GOOD SOURCES FOR 5654 03:27:21,840 --> 03:27:25,440 MICROVASCULAR NETWORK FORMATION. 5655 03:27:25,440 --> 03:27:27,280 AND ALSO THEY ARE SIMILAR TO A 5656 03:27:27,280 --> 03:27:29,600 CELL LINE SO IF THEY ARE VERY 5657 03:27:29,600 --> 03:27:35,560 EASY TO -- CRISPR TECHNIQUE AND 5658 03:27:35,560 --> 03:27:40,200 ALSO YOU CAN -- SHOWN HERE TO 5659 03:27:40,200 --> 03:27:42,400 SEE HOW THOSE MICRO VASCULATURE 5660 03:27:42,400 --> 03:27:44,920 RESPONDS TO THE TUMOR CELLS WHEN 5661 03:27:44,920 --> 03:27:45,800 THEY PERFUSE THEM TO THE 5662 03:27:45,800 --> 03:27:46,240 VESSELS. 5663 03:27:46,240 --> 03:27:49,160 WE CAN SIMILARLY TEST THE TUMOR 5664 03:27:49,160 --> 03:27:52,360 CELL EXTRAVASATIONS, AND ALSO 5665 03:27:52,360 --> 03:27:55,200 USE THOSE -- CELLS FOR THE SOLID 5666 03:27:55,200 --> 03:27:59,000 TUMOR MODELS AS I JUST 5667 03:27:59,000 --> 03:28:02,520 INTRODUCED PREVIOUS. 5668 03:28:02,520 --> 03:28:09,880 SO ANOTHER CHALLENGE WHEN WE TRY 5669 03:28:09,880 --> 03:28:13,480 TO GENERATE MICRO VASCULATURE 5670 03:28:13,480 --> 03:28:14,680 IS -- OUR LAB AND OTHER 5671 03:28:14,680 --> 03:28:16,320 PUBLISHED DATA FROM OTHER LABS 5672 03:28:16,320 --> 03:28:18,280 THAT MOST OF THE PERFUSIBLE 5673 03:28:18,280 --> 03:28:19,720 NETWORK, THEY TEND TO HAVE 5674 03:28:19,720 --> 03:28:21,880 LARGER DIAMETER VESSELS. 5675 03:28:21,880 --> 03:28:23,640 SO BUT COMPARED TO THE ONES IN 5676 03:28:23,640 --> 03:28:27,160 VIVO, THOSE VESSELS -- ACTUALLY 5677 03:28:27,160 --> 03:28:30,600 THEY ARE VERY SMALL. 5678 03:28:30,600 --> 03:28:33,040 -- AS SHOWN HERE THEY CAN BE -- 5679 03:28:33,040 --> 03:28:37,280 BUT HOW TO -- ENGINEERING THOSE 5680 03:28:37,280 --> 03:28:40,680 SMALL VESSELS THEY ARE 5681 03:28:40,680 --> 03:28:41,800 PERFUSABLE IS CHALLENGING. 5682 03:28:41,800 --> 03:28:45,480 SO FROM ALL THE STUDY AND 5683 03:28:45,480 --> 03:28:47,680 ALSO -- STUDIES FROM OTHERS WE 5684 03:28:47,680 --> 03:28:49,880 FOUND THAT MANIPULATING THE 5685 03:28:49,880 --> 03:28:50,760 ENDOTHELIAL CELL CONCENTRATION 5686 03:28:50,760 --> 03:28:53,720 WE CAN ACTUALLY GET DIFFERENT 5687 03:28:53,720 --> 03:28:54,800 MORPHOLOGY OF THE VESSELS. 5688 03:28:54,800 --> 03:28:56,560 SO FOR EXAMPLE IF WE USE A 5689 03:28:56,560 --> 03:28:59,960 HIGHER CONCENTRATION OF 5690 03:28:59,960 --> 03:29:01,920 ENDOTHELIAL CELLS -- THEY ARE 5691 03:29:01,920 --> 03:29:02,480 PERFUSIBLE. 5692 03:29:02,480 --> 03:29:04,840 BUT IF WE USE A LOWER -- THEY 5693 03:29:04,840 --> 03:29:09,440 ACTUALLY CAN FORM THE VESSELS 5694 03:29:09,440 --> 03:29:10,320 VERY SMALL. 5695 03:29:10,320 --> 03:29:14,160 MOST PERFUSABLE -- THEY ARE 5696 03:29:14,160 --> 03:29:16,360 PERFUSE ABLE BECAUSE THEY HAVE 5697 03:29:16,360 --> 03:29:18,000 LARGE DIAMETER OPENINGS 5698 03:29:18,000 --> 03:29:21,080 CONNECTING TO THE MEDIA CHANNEL 5699 03:29:21,080 --> 03:29:23,920 TO ALLOW DEXTRAN TO FLOW THROUGH 5700 03:29:23,920 --> 03:29:25,200 THE NETWORKS. 5701 03:29:25,200 --> 03:29:26,840 THESE OPENINGS, THEY ARE CLOSED, 5702 03:29:26,840 --> 03:29:29,280 SO HOW ABOUT WE COMBINE THESE 5703 03:29:29,280 --> 03:29:30,440 TWO CONDITIONS SO WE CAN FORM A 5704 03:29:30,440 --> 03:29:32,440 LARGER DIAMETER VESSELS AT THE 5705 03:29:32,440 --> 03:29:36,400 REGION BETWEEN THE MICRO -- TO 5706 03:29:36,400 --> 03:29:38,360 COME BACK TO THE MEDIA CHANNEL 5707 03:29:38,360 --> 03:29:40,080 BUT AT THE CENTER WE HAVE VERY 5708 03:29:40,080 --> 03:29:41,640 SMALL, TINY VESSELS. 5709 03:29:41,640 --> 03:29:45,120 SO WE DEVELOPED -- FIRST WE SEE 5710 03:29:45,120 --> 03:29:48,040 THE HIGHER DENSITY OF 5711 03:29:48,040 --> 03:29:49,160 ENDOTHELIAL CELLS INTO THE 5712 03:29:49,160 --> 03:29:51,680 DEVICE AND HAS CAREFULLY 5713 03:29:51,680 --> 03:29:53,960 ASPIRATED THE -- BECAUSE OF THE 5714 03:29:53,960 --> 03:29:56,720 SURFACE TENSION PROVIDED BY THE 5715 03:29:56,720 --> 03:29:58,640 MICRO POST, THOSE HIGHER DENSITY 5716 03:29:58,640 --> 03:30:01,720 OF THE ENDOTHELIAL CELLS -- IN 5717 03:30:01,720 --> 03:30:02,760 THIS REGION AND THEY ARE GOING 5718 03:30:02,760 --> 03:30:09,520 TO FORM A LARGER DIAMETER VESSEL 5719 03:30:09,520 --> 03:30:10,720 OPENINGS. 5720 03:30:10,720 --> 03:30:12,800 LOWER -- WITH FIBROBLASTS INTO 5721 03:30:12,800 --> 03:30:14,560 THE CHANNEL AGAIN, SO IN THE 5722 03:30:14,560 --> 03:30:16,640 CENTER THEY HAVE ENDOTHELIAL 5723 03:30:16,640 --> 03:30:18,280 CELL -- THEY'RE GOING TO FORM A 5724 03:30:18,280 --> 03:30:19,680 VERY SMALL DIAMETER VESSELS, SO 5725 03:30:19,680 --> 03:30:23,960 IN THIS WAY, WE CAN GENERATE 5726 03:30:23,960 --> 03:30:26,040 MICRO VASCULATURE THAT HAS VERY 5727 03:30:26,040 --> 03:30:28,000 TINY SMALL DIAMETERS IN THE 5728 03:30:28,000 --> 03:30:29,320 CENTER CONNECTING TO A LARGER 5729 03:30:29,320 --> 03:30:33,040 OPENINGS ON THE SIDE. 5730 03:30:33,040 --> 03:30:37,960 AND I JUST SHOW VERY CROWDED 5731 03:30:37,960 --> 03:30:40,160 IMAGE HERE, THIS IS ACTUALLY -- 5732 03:30:40,160 --> 03:30:44,960 IN MY DEVICE AND THOSE IMAGES 5733 03:30:44,960 --> 03:30:47,440 ARE -- AND ALL OF THOSE -- 5734 03:30:47,440 --> 03:30:48,560 PERFUSIBLE AND WITH LARGER 5735 03:30:48,560 --> 03:30:49,880 OPENINGS ON THE SIDE AND SMALLER 5736 03:30:49,880 --> 03:30:50,760 VESSELS IN THE CENTER. 5737 03:30:50,760 --> 03:30:53,240 SO JUST TO GIVE YOU THE 5738 03:30:53,240 --> 03:30:54,880 IMPRESSION THESE TWO METHODS 5739 03:30:54,880 --> 03:30:56,240 REALLY ROBUST AND HOPEFULLY CAN 5740 03:30:56,240 --> 03:31:01,800 BE CONVINCING FOR THE COMMUNITY. 5741 03:31:01,800 --> 03:31:06,320 THIS TWO EPITHELIUM METHOD -- 5742 03:31:06,320 --> 03:31:09,120 PATIENT DERIVED CELLS ORDER MALL 5743 03:31:09,120 --> 03:31:11,320 FIBROBLASTS TO MAKE THE SKIN 5744 03:31:11,320 --> 03:31:17,640 MODEL OR BRAIN -- OR USING -- 5745 03:31:17,640 --> 03:31:19,080 ENDOTHELIAL CELLS. 5746 03:31:19,080 --> 03:31:26,840 SO AS A SUMMARY, -- ALSO I SHOW 5747 03:31:26,840 --> 03:31:30,240 USING MODELS COMPARED WITH OTHER 5748 03:31:30,240 --> 03:31:32,280 TECHNIQUES AND TO SEE HOW IT CAN 5749 03:31:32,280 --> 03:31:35,280 BE USEFUL -- NEUROLOGICAL 5750 03:31:35,280 --> 03:31:39,520 DISEASE OR CANCER STUDY, LAST I 5751 03:31:39,520 --> 03:31:41,800 SHOWED TWO STRATEGIES WHY TO 5752 03:31:41,800 --> 03:31:44,120 USE -- AS CELL SOURCES AND THEN 5753 03:31:44,120 --> 03:31:45,640 INTRODUCE THIS TWO-STEP METHOD 5754 03:31:45,640 --> 03:31:47,280 TO GENERATE THE VERY SMALL 5755 03:31:47,280 --> 03:31:51,800 VESSELS IN THE CENTER AND 5756 03:31:51,800 --> 03:31:52,280 THEN --. 5757 03:31:52,280 --> 03:31:56,640 LAST I WOULD LIKE TO THANK MY 5758 03:31:56,640 --> 03:32:00,040 SUPERVISORS, COLLABORATORS, 5759 03:32:00,040 --> 03:32:00,800 FUNDINGS. 5760 03:32:00,800 --> 03:32:02,120 AND THANK YOU VERY MUCH FOR YOUR 5761 03:32:02,120 --> 03:32:03,240 ATTENTION. 5762 03:32:03,240 --> 03:32:04,960 >> THANKS SO MUCH, JASON. 5763 03:32:04,960 --> 03:32:06,160 THIS WAS BEAUTIFUL WORK. 5764 03:32:06,160 --> 03:32:09,560 THANKS SO MUCH FOR SHARING. 5765 03:32:09,560 --> 03:32:11,120 WE'RE GOING TO KEEP GOING, AND 5766 03:32:11,120 --> 03:32:14,600 AGAIN IF YOU HAVE ANY QUESTIONS, 5767 03:32:14,600 --> 03:32:21,360 POP THEM IN THE Q & A BOX. 5768 03:32:21,360 --> 03:32:22,960 LAST SPEAKER, NOT THE LEAST, IT 5769 03:32:22,960 --> 03:32:25,400 IS MY PLEASURE TO INTRODUCE 5770 03:32:25,400 --> 03:32:29,600 DR. JEFF BORNENSTEIN, GROUP 5771 03:32:29,600 --> 03:32:34,720 LEADER FOR SYNTHETIC BIOLOGIES 5772 03:32:34,720 --> 03:32:36,680 AND BIOINSTRUMENTATION AND 5773 03:32:36,680 --> 03:32:41,600 LABORATORY FELLOW AT DRAPER IN 5774 03:32:41,600 --> 03:32:42,360 CAMBRIDGE WHERE HE LEADS 5775 03:32:42,360 --> 03:32:43,600 PROGRAMS IN ORGAN AND DISEASE 5776 03:32:43,600 --> 03:32:46,720 MODELS FOR DRUG DISCOVERY AND 5777 03:32:46,720 --> 03:32:48,600 SAFETY TESTING, ORGAN ASSIST 5778 03:32:48,600 --> 03:32:49,720 DEVICES AND DRUG DELIVERY 5779 03:32:49,720 --> 03:32:50,040 SYSTEMS. 5780 03:32:50,040 --> 03:32:51,600 JEFF IS MEMBER OF THE NATIONAL 5781 03:32:51,600 --> 03:32:53,520 ACADEMY OF INVENTORS AND HE'S 5782 03:32:53,520 --> 03:32:55,400 BEEN DOING A LOT OF WORK WITH 5783 03:32:55,400 --> 03:32:58,120 APPLICATIONS OF MICROSYSTEMS AND 5784 03:32:58,120 --> 03:33:00,080 MICRO FABRICATION TECHNOLOGIES 5785 03:33:00,080 --> 03:33:00,840 TOWARDS MEDICINE. 5786 03:33:00,840 --> 03:33:07,760 JEFF, THE FLOOR IS YOURS. 5787 03:33:07,760 --> 03:33:18,120 >> THANK YOU, MARC. 5788 03:33:20,360 --> 03:33:21,120 IS THAT SHARING PROPERLY? 5789 03:33:21,120 --> 03:33:22,040 >> YES. 5790 03:33:22,040 --> 03:33:23,160 >> GREAT. 5791 03:33:23,160 --> 03:33:27,320 THANK YOU SO MUCH, MARC, FOR THE 5792 03:33:27,320 --> 03:33:28,400 KIND INTRODUCTION, AND THANK 5793 03:33:28,400 --> 03:33:29,720 YOU, SARINE AND THE ORGANIZERS. 5794 03:33:29,720 --> 03:33:30,800 IT'S A PLEASURE TO BE HERE AS 5795 03:33:30,800 --> 03:33:32,800 PART OF THIS GREAT PANEL TODAY. 5796 03:33:32,800 --> 03:33:34,400 I'D LIKE TO TALK TO YOU ABOUT 5797 03:33:34,400 --> 03:33:36,840 OUR WORK IN DRAPER IN ORGAN ON 5798 03:33:36,840 --> 03:33:38,480 CHIP PLATFORMS TOWARDS THREE 5799 03:33:38,480 --> 03:33:39,160 DIMENSIONS, REALLY. 5800 03:33:39,160 --> 03:33:40,360 ONE OF THEM AS HAS BEEN TALKED 5801 03:33:40,360 --> 03:33:42,520 ABOUT EARLIER IS THE HIGHER 5802 03:33:42,520 --> 03:33:43,280 THROUGHPUT ASPECT. 5803 03:33:43,280 --> 03:33:45,600 ANOTHER IS WORKING IN HIGH 5804 03:33:45,600 --> 03:33:48,080 CONTAINMENT, PARTICULARLY ACUTE 5805 03:33:48,080 --> 03:33:51,720 NEED AND SITUATION WITH REGARD 5806 03:33:51,720 --> 03:33:52,800 TO COVID-19 AND MANY OF THE 5807 03:33:52,800 --> 03:33:54,000 OTHER HIGH PRIORITY PATHOGENS 5808 03:33:54,000 --> 03:33:55,440 THAT THE GOVERNMENT IS 5809 03:33:55,440 --> 03:33:56,960 INTERESTED IN IN PURSUING 5810 03:33:56,960 --> 03:34:01,120 MEDICAL COUNTERMEASURES FOR, 5811 03:34:01,120 --> 03:34:02,640 THEN REALLY ANOTHER EXCITING 5812 03:34:02,640 --> 03:34:03,840 DIMENSION, AND THAT'S 5813 03:34:03,840 --> 03:34:05,480 PERSONALIZED MEDICINE, WHERE WE 5814 03:34:05,480 --> 03:34:06,680 CAN OBTAIN CELLS FROM PATIENT 5815 03:34:06,680 --> 03:34:07,800 POPULATIONS AND UNDERSTAND HOW 5816 03:34:07,800 --> 03:34:09,320 THESE INFECTIOUS DISEASES AND 5817 03:34:09,320 --> 03:34:12,920 POTENTIAL TREATMENTS WORK IN 5818 03:34:12,920 --> 03:34:13,840 PARTICULAR PATIENT DEMOGRAPHICS 5819 03:34:13,840 --> 03:34:16,440 AND POPULATIONS. 5820 03:34:16,440 --> 03:34:17,520 SO WITH THAT, JUST A LITTLE BIT 5821 03:34:17,520 --> 03:34:19,840 OF BACKGROUND ON THE PREDICT 5822 03:34:19,840 --> 03:34:20,480 96 TECHNOLOGY. 5823 03:34:20,480 --> 03:34:23,240 AND SO PREDICT 96 IS REALLY 5824 03:34:23,240 --> 03:34:25,240 BUILT ON A PLATFORM, ON A BACK 5825 03:34:25,240 --> 03:34:31,200 PLANE OF A STANDARD MICRO MIR 5826 03:34:31,200 --> 03:34:32,280 PLATE. 5827 03:34:32,280 --> 03:34:33,720 THERE ARE FOUR WELLS FOR EACH 5828 03:34:33,720 --> 03:34:34,560 DEVICE. 5829 03:34:34,560 --> 03:34:39,080 SO ESSENTIALLY 96 DEVICE SYSTEM 5830 03:34:39,080 --> 03:34:42,680 BUILT ON TO THIS 3D PLATE. 5831 03:34:42,680 --> 03:34:44,240 THERE'S AN APICAL CHANNEL AND A 5832 03:34:44,240 --> 03:34:46,040 BASAL CHANNEL WITH AN 5833 03:34:46,040 --> 03:34:46,960 OVERLAPPING REGION THAT'S 5834 03:34:46,960 --> 03:34:49,800 SEPARATED BY A SEMI POROUS 5835 03:34:49,800 --> 03:34:50,880 MEMBRANE, AND THERE IS FLOW 5836 03:34:50,880 --> 03:34:52,760 THROUGH THE APICAL CHANNEL AND 5837 03:34:52,760 --> 03:34:54,720 THROUGH THE BASAL CHANNEL AND 5838 03:34:54,720 --> 03:34:56,120 CELLS CAN BE CULTURED ON ONE OR 5839 03:34:56,120 --> 03:35:01,600 BOTH SIDES OF THIS MEMBRANE. 5840 03:35:01,600 --> 03:35:05,880 SO THERE'S FOUR PORTS, TWO 5841 03:35:05,880 --> 03:35:07,960 INLETS, TWO OUTLETS, ARRANGED ON 5842 03:35:07,960 --> 03:35:08,720 THE 96 DEVICE SYSTEM. 5843 03:35:08,720 --> 03:35:11,880 WE CAN EITHER WORK WITH CULTURED 5844 03:35:11,880 --> 03:35:13,200 TISSUES AS SHOWN HERE WITH 5845 03:35:13,200 --> 03:35:14,400 MATRIX MATERIALS ON THE MEMBRANE 5846 03:35:14,400 --> 03:35:15,840 AND VARIOUS CELL TYPES, AS MANY 5847 03:35:15,840 --> 03:35:17,360 AS FOUR OR FIVE CELL TYPES, OR 5848 03:35:17,360 --> 03:35:19,440 WE CAN WORK IN OTHER 5849 03:35:19,440 --> 03:35:21,400 CONFIGURATIONS WITH ORGANOIDS OR 5850 03:35:21,400 --> 03:35:24,120 TUMORS THAT'S BEEN DISCUSSED 5851 03:35:24,120 --> 03:35:24,560 PREVIOUSLY. 5852 03:35:24,560 --> 03:35:25,880 I'D LIKE TO TOUCH ON SOME OF THE 5853 03:35:25,880 --> 03:35:27,880 POINTS THAT THIS PANEL HAS 5854 03:35:27,880 --> 03:35:28,720 TALKED ABOUT THROUGHOUT THE 5855 03:35:28,720 --> 03:35:30,080 COURSE OF THE DAY, AND REALLY 5856 03:35:30,080 --> 03:35:31,360 ONE OF THOSE IS SCALE, AND I 5857 03:35:31,360 --> 03:35:32,720 THINK THAT WAS AN IMPORTANT 5858 03:35:32,720 --> 03:35:34,200 POINT MADE EARLIER. 5859 03:35:34,200 --> 03:35:35,720 SO THE DESIRE HERE IS TO BE ABLE 5860 03:35:35,720 --> 03:35:37,360 TO STUDY MANY CONDITIONS AND 5861 03:35:37,360 --> 03:35:39,960 LOOK AT STATISTICAL REPLICATES 5862 03:35:39,960 --> 03:35:41,200 ON A SINGLE PLATE TO TRY TO 5863 03:35:41,200 --> 03:35:42,280 REDUCE SOME OF THE VARIABILITY 5864 03:35:42,280 --> 03:35:43,960 AND INCREASE THE THROUGHPUT OF 5865 03:35:43,960 --> 03:35:45,800 THESE SYSTEMS, AND SO THAT'S THE 5866 03:35:45,800 --> 03:35:47,000 GOAL HERE, AND I THINK ANOTHER 5867 03:35:47,000 --> 03:35:49,360 IS TO MAINTAIN THE FIDELITY OF 5868 03:35:49,360 --> 03:35:53,440 THE SYSTEM AND WE DO THAT WITH 5869 03:35:53,440 --> 03:35:55,320 SENSING AND FLUIDICS INTEGRATED 5870 03:35:55,320 --> 03:35:55,880 INTO THESE PLATES. 5871 03:35:55,880 --> 03:35:58,160 SO THERE'S A CLAMSHELL HERE THAT 5872 03:35:58,160 --> 03:36:00,680 PROVIDES A PUMPING TO EACH OF 5873 03:36:00,680 --> 03:36:02,880 THESE 96 DEVICES SO THE APICAL 5874 03:36:02,880 --> 03:36:04,720 CHAMBER AND THE BASAL CHAMBER OF 5875 03:36:04,720 --> 03:36:06,920 EACH OF THE 96 DEVICES IS 5876 03:36:06,920 --> 03:36:10,400 ADDRESSED SEPARATELY AND 5877 03:36:10,400 --> 03:36:11,080 INDEPENDENTLY BY THESE PUMPS 5878 03:36:11,080 --> 03:36:13,040 THAT ARE INTRODUCED FROM AN 5879 03:36:13,040 --> 03:36:14,000 OVERLYING CLAM SHELL STRUCTURE, 5880 03:36:14,000 --> 03:36:15,560 AND THEN AS WE'LL SHOW ON THE 5881 03:36:15,560 --> 03:36:17,520 NEXT SLIDE, THERE ARE READOUTS 5882 03:36:17,520 --> 03:36:17,720 HERE. 5883 03:36:17,720 --> 03:36:19,160 AND I THINK THE KEY REALLY WITH 5884 03:36:19,160 --> 03:36:21,320 THE THROUGHPUT IS NOT ONLY JUST 5885 03:36:21,320 --> 03:36:23,080 HOW MANY CONDITIONS ON A PLATE, 5886 03:36:23,080 --> 03:36:24,960 BUT HOW MANY PLATES CAN FIT INTO 5887 03:36:24,960 --> 03:36:32,160 AN INCUBATOR AND SO WE CAN SEE 5888 03:36:32,160 --> 03:36:37,440 WE'RE UPWARDS OF -- ONE OF THE 5889 03:36:37,440 --> 03:36:39,160 KEYS TO THE TECHNOLOGY IS TO BE 5890 03:36:39,160 --> 03:36:42,560 ABLE TO USE IT APPLYING STANDARD 5891 03:36:42,560 --> 03:36:44,560 TOOLS AND STRUCTURES AND IN 5892 03:36:44,560 --> 03:36:46,160 TALKING WITH THE PHARMACEUTICAL 5893 03:36:46,160 --> 03:36:48,040 LABORATORIES, THINK THE ISSUE OF 5894 03:36:48,040 --> 03:36:48,920 MAINTAINING THE FIDELITY OF 5895 03:36:48,920 --> 03:36:50,880 THESE MODELS WHILE ACHIEVING 5896 03:36:50,880 --> 03:36:51,760 HIGH-THROUGHPUT IS REALLY 5897 03:36:51,760 --> 03:36:52,080 CRITICAL. 5898 03:36:52,080 --> 03:36:55,920 ONE OF THE OTHER POINTS WE HEARD 5899 03:36:55,920 --> 03:37:00,240 EARLIER WAS THAT SOME OF THE 5900 03:37:00,240 --> 03:37:05,360 IMMORTALIZED SUS TEMS ARE SYSE 5901 03:37:05,360 --> 03:37:06,200 LACKING -- I THINK THE OTHER 5902 03:37:06,200 --> 03:37:07,080 SIDE OF THAT CHALLENGE, THOUGH, 5903 03:37:07,080 --> 03:37:09,920 IS THAT SYSTEMS LIKE VERO 5904 03:37:09,920 --> 03:37:12,120 E6 PRESENT KIND OF A CHALLENGE 5905 03:37:12,120 --> 03:37:14,320 FROM THE ORGAN ON A CHIP 5906 03:37:14,320 --> 03:37:15,520 STANDPOINT BECAUSE OF THEIR 5907 03:37:15,520 --> 03:37:17,160 ROBUSTNESS AND STATISTICAL POWER 5908 03:37:17,160 --> 03:37:18,720 AND THROUGHPUT, EVEN THOUGH THEY 5909 03:37:18,720 --> 03:37:23,920 LACK IF DEALT AND FIDELIE 5910 03:37:23,920 --> 03:37:24,600 POWER IN SOME CASES. 5911 03:37:24,600 --> 03:37:26,800 SO I THINK THE CHALLENGE IS TO 5912 03:37:26,800 --> 03:37:28,200 ACHIEVE HIGHER FIDELITY BUT TO 5913 03:37:28,200 --> 03:37:29,520 MAINTAIN THE THROUGHPUT, 5914 03:37:29,520 --> 03:37:30,840 USABILITY AND TO SUPPORT THE 5915 03:37:30,840 --> 03:37:32,200 WORKFLOW IN THE PHARMACEUTICAL 5916 03:37:32,200 --> 03:37:34,880 INDUSTRY WITH AN ORGAN ON A CHIP 5917 03:37:34,880 --> 03:37:35,200 SYSTEM. 5918 03:37:35,200 --> 03:37:36,720 SO YOU CAN SEE WE BUILT IN NOT 5919 03:37:36,720 --> 03:37:38,680 ONLY THE PUMPS BUT THE 5920 03:37:38,680 --> 03:37:40,760 INTEGRATED BARRIER FUNCTION AND 5921 03:37:40,760 --> 03:37:42,880 CURRENTLY WITH BARDA WORKING ON 5922 03:37:42,880 --> 03:37:44,080 CHEMICAL SENATOR INTEGRATION AS 5923 03:37:44,080 --> 03:37:44,280 WELL. 5924 03:37:44,280 --> 03:37:47,800 ONE OF SENSORS 5925 03:37:47,800 --> 03:37:48,280 WELL. 5926 03:37:48,280 --> 03:37:49,560 ONE OF THE PROBLEMS WITH 5927 03:37:49,560 --> 03:37:51,360 TRANSWELL SYSTEMS IS THAT THE 5928 03:37:51,360 --> 03:37:52,800 MEMBRANE IS TYPICALLY NOT FLAT 5929 03:37:52,800 --> 03:37:56,760 AND THE SYSTEMS MUST BE REMOVED 5930 03:37:56,760 --> 03:38:02,320 MECHANICALLY IN ORDER TO DO 5931 03:38:02,320 --> 03:38:06,040 BIRESOLUTION, HERE WE HAVE MUCH 5932 03:38:06,040 --> 03:38:08,440 SMALLER MEDIA VOLUME, LESS USE 5933 03:38:08,440 --> 03:38:10,200 OF REAGENTS IN DRUGS AND 5934 03:38:10,200 --> 03:38:11,960 COMPATIBILITY WITH IN SITU HIGH 5935 03:38:11,960 --> 03:38:12,720 CONTENT IMAGING. 5936 03:38:12,720 --> 03:38:14,360 SO ALL OF THOSE FEATURES COME 5937 03:38:14,360 --> 03:38:16,000 TOGETHER IN THE 5938 03:38:16,000 --> 03:38:16,640 PREDICT96 SYSTEM. 5939 03:38:16,640 --> 03:38:18,720 IF WE THINK ABOUT THE DIFFERENT 5940 03:38:18,720 --> 03:38:20,160 ORGAN MODEL, WE'VE WORKED IN 5941 03:38:20,160 --> 03:38:21,480 MANY DIFFERENT ORGAN MODELS AS 5942 03:38:21,480 --> 03:38:23,000 MANY OF THE OTHER SPEAKERS HAVE 5943 03:38:23,000 --> 03:38:25,080 TALKED ABOUT TODAY, THE BLOOD 5944 03:38:25,080 --> 03:38:27,160 BRAIN BARRIER WORK WE'RE DOING, 5945 03:38:27,160 --> 03:38:29,240 WE'RE WORKING AND HAVE WORKED 5946 03:38:29,240 --> 03:38:30,320 WITH PHARMACEUTICAL COMPANIES ON 5947 03:38:30,320 --> 03:38:33,600 MANY OF THESE MODEL, THE 5948 03:38:33,600 --> 03:38:35,160 LIVER/KIDNEY VASCULAR SYSTEM, 5949 03:38:35,160 --> 03:38:36,240 THE ONE WE'LL FOCUS ON TODAY IS 5950 03:38:36,240 --> 03:38:41,600 THE AIRWAY FOR THE RESPIRATORY 5951 03:38:41,600 --> 03:38:42,240 DISEASE APPLICATION. 5952 03:38:42,240 --> 03:38:44,000 MANY ARE PUBLICLY ACKNOWLEDGED 5953 03:38:44,000 --> 03:38:46,720 COLLABORATIONS WITH COMPANIES 5954 03:38:46,720 --> 03:38:49,720 LIKE COLGATE-PAL MO LIVE, 5955 03:38:49,720 --> 03:38:50,240 BRISTOL-MYERS SQUIBB. 5956 03:38:50,240 --> 03:38:51,560 SOME ARE NOT PUBLICLY 5957 03:38:51,560 --> 03:38:52,520 ACKNOWLEDGED BUT MANY OF THE TOP 5958 03:38:52,520 --> 03:38:53,720 PHARMA COMPANIES. 5959 03:38:53,720 --> 03:38:55,040 THEN THE ONE WE'LL TALK A LITTLE 5960 03:38:55,040 --> 03:38:58,760 MORE ABOUT HERE IS THE PROGRAM 5961 03:38:58,760 --> 03:39:01,280 LOOKING AT INFLUENZA, LOOKING AT 5962 03:39:01,280 --> 03:39:02,800 MEDICAL COUNTERMEASURES FROM THE 5963 03:39:02,800 --> 03:39:05,000 EMERGING FIELD OF PROGRAMMABLE 5964 03:39:05,000 --> 03:39:05,880 GENE MODULATORS. 5965 03:39:05,880 --> 03:39:07,080 THAT'S A PROGRAM WE'VE BEEN 5966 03:39:07,080 --> 03:39:08,040 INVOLVED WITH THAT'S HELPED 5967 03:39:08,040 --> 03:39:10,360 SUPPORT THE DEVELOPMENT OF THE 5968 03:39:10,360 --> 03:39:11,560 AIRWAY MODEL. 5969 03:39:11,560 --> 03:39:13,320 SO HERE'S A CLOSER LOOK AT THAT 5970 03:39:13,320 --> 03:39:15,280 AIRWAY MODEL, AND AGAIN, IT IS 5971 03:39:15,280 --> 03:39:21,480 THIS PREDICT 96 PLATFORM WITH 9L 5972 03:39:21,480 --> 03:39:22,520 PLANE. 5973 03:39:22,520 --> 03:39:24,040 THE ONLY DIFFERENCE IS THE 5974 03:39:24,040 --> 03:39:25,480 APICAL CHAMBER DOES NOT HAVE 5975 03:39:25,480 --> 03:39:26,680 PUMPING OR FLUID. 5976 03:39:26,680 --> 03:39:28,640 IT'S AT AN AIR-LIQUID INTERFACE 5977 03:39:28,640 --> 03:39:31,040 SO WE'RE PUMPING THE BASAL 5978 03:39:31,040 --> 03:39:32,560 CHAMBER WHICH SUPPORTS EXCELLENT 5979 03:39:32,560 --> 03:39:33,680 TISSUE DEVELOPMENT OVER THE 5980 03:39:33,680 --> 03:39:35,320 COURSE OF ROUGHLY 21 DAYS WITH 5981 03:39:35,320 --> 03:39:38,160 HIGH BARRIER FUNCTION, MUCOUS 5982 03:39:38,160 --> 03:39:39,400 FORMATION, CILIARY BEADING AND 5983 03:39:39,400 --> 03:39:43,400 MANY OF BEATING, MANY 5984 03:39:43,400 --> 03:39:44,600 OF THE CELL TYPES PRESENT THAT 5985 03:39:44,600 --> 03:39:46,240 ARE CRITICAL, GOBLET CELLS AND 5986 03:39:46,240 --> 03:39:47,560 OTHER CELLS, THE CLUB CELLS, SO 5987 03:39:47,560 --> 03:39:49,600 WE FORMED THIS TISSUE, THIS IS A 5988 03:39:49,600 --> 03:39:52,040 SIDE VIEW OF IT, IN A SCHEMATIC 5989 03:39:52,040 --> 03:39:54,000 FORM AND THEN A HIGH RESOLUTION 5990 03:39:54,000 --> 03:39:57,920 IMAGING AND WE CAN SEE THE 5991 03:39:57,920 --> 03:39:58,920 PSEUDOSTRATIFIED EPITHELIUM 5992 03:39:58,920 --> 03:39:59,800 THAT'S ESTABLISHED IN THIS 5993 03:39:59,800 --> 03:40:00,480 SYSTEM. 5994 03:40:00,480 --> 03:40:02,200 SO THIS IS PUBLISHED IN 5995 03:40:02,200 --> 03:40:03,160 SCIENTIFIC REPORTS, THE LEADER 5996 03:40:03,160 --> 03:40:06,560 OF THIS PROGRAM IS ASHLEY GARD, 5997 03:40:06,560 --> 03:40:08,000 WHO I WOULD LIKE TO ACKNOWLEDGE 5998 03:40:08,000 --> 03:40:10,080 HERE FROM OUR DRAPER TEAM. 5999 03:40:10,080 --> 03:40:11,560 ONE OF THE THINGS I MENTIONED AT 6000 03:40:11,560 --> 03:40:13,600 THE BEGINNING IS GETTING CELLS 6001 03:40:13,600 --> 03:40:15,880 FROM PATIENT DEMOGRAPHICS. 6002 03:40:15,880 --> 03:40:17,280 SO AN EXCITING ASPECT HERE THAT 6003 03:40:17,280 --> 03:40:19,480 WE'VE BEEN PURSUING FIRST WITH 6004 03:40:19,480 --> 03:40:22,240 DARPA FUNDING AND ALSO WITH OUR 6005 03:40:22,240 --> 03:40:23,280 SARS-COV-2 RESEARCH IS OBTAINING 6006 03:40:23,280 --> 03:40:24,640 OF CELLS FROM LIVING DONORS. 6007 03:40:24,640 --> 03:40:26,080 THIS IS WORK IN COLLABORATION 6008 03:40:26,080 --> 03:40:28,360 WITH THE MASSACHUSETTS GENERAL 6009 03:40:28,360 --> 03:40:34,720 HOSPITAL, DR. BEN MEDOFF AND DRY 6010 03:40:34,720 --> 03:40:36,560 CRITICAL CARE UNIT, AND THEY DO 6011 03:40:36,560 --> 03:40:37,560 THESE BRONCHOSCOPIES WHERE THEY 6012 03:40:37,560 --> 03:40:38,600 BRUSH AND THEN COLLECT CELLS 6013 03:40:38,600 --> 03:40:41,560 FROM THE AIRWAY, VARIOUS REGIONS 6014 03:40:41,560 --> 03:40:42,440 OF THE AIRWAY. 6015 03:40:42,440 --> 03:40:43,560 THEY DO SORTING AND THEN THEY 6016 03:40:43,560 --> 03:40:44,760 PROVIDE US WITH THESE 6017 03:40:44,760 --> 03:40:46,200 POPULATIONS AND WE CAN EXPAND 6018 03:40:46,200 --> 03:40:47,720 THEM AND DEVELOP THEM INTO THE 6019 03:40:47,720 --> 03:40:48,240 TISSUES. 6020 03:40:48,240 --> 03:40:50,280 AND AS I'LL TALK ABOUT LATER, WE 6021 03:40:50,280 --> 03:40:54,680 LOOK AT THE VARIOUS DEMOGRAPHIC 6022 03:40:54,680 --> 03:40:56,360 POPULATIONS AND HOW THEY WILL 6023 03:40:56,360 --> 03:40:57,240 INFLUENCE THE RESULTS THAT WE 6024 03:40:57,240 --> 03:40:58,520 OBTAIN WITH THESE INFECTIOUS 6025 03:40:58,520 --> 03:40:59,520 DISEASE MODELS. 6026 03:40:59,520 --> 03:41:01,600 AND WE GET SOME BEAUTIFUL TISSUE 6027 03:41:01,600 --> 03:41:02,920 FORMATION IN THESE SYSTEMS. 6028 03:41:02,920 --> 03:41:06,320 ONE OF THE INTERESTING THINGS TO 6029 03:41:06,320 --> 03:41:08,040 LOOK AT IS IN PLATE AFTER PLATE, 6030 03:41:08,040 --> 03:41:10,040 WE SEE VIVID DIFFERENCES BETWEEN 6031 03:41:10,040 --> 03:41:12,200 DIFFERENT DONORS, LIVING DONORS 6032 03:41:12,200 --> 03:41:14,360 BASED ON VARIOUS 6033 03:41:14,360 --> 03:41:14,800 CHARACTERISTICS. 6034 03:41:14,800 --> 03:41:16,200 THOSE DIFFERENCES ARE IN THE 6035 03:41:16,200 --> 03:41:20,520 PERCENT OF SILL CILIATED CELE 6036 03:41:20,520 --> 03:41:21,720 MUCOCILIARY BEATING AND MANY OF 6037 03:41:21,720 --> 03:41:22,920 THE OTHER ASPECTS OF THE 6038 03:41:22,920 --> 03:41:23,720 TISSUES, THE BARRIER QUALITY 6039 03:41:23,720 --> 03:41:26,240 THAT MAY BE INFLUENCED BY 6040 03:41:26,240 --> 03:41:28,400 BACKGROUND, GENDER, ETHNIC 6041 03:41:28,400 --> 03:41:30,160 BACKGROUND, IN PARTICULAR 6042 03:41:30,160 --> 03:41:31,120 COMORBIDITIES IS ONE OF THE MOST 6043 03:41:31,120 --> 03:41:33,640 INTERESTING ASPECTS HERE, CAN WE 6044 03:41:33,640 --> 03:41:37,040 UNDERSTAND WHAT DIABETES OR 6045 03:41:37,040 --> 03:41:39,760 ASTHMA, CHRONIC LUNG DISEASES, 6046 03:41:39,760 --> 03:41:41,080 WHAT INFLUENCE THAT MAY HAVE ON 6047 03:41:41,080 --> 03:41:42,840 THE PROGRESSION OF AN INFECTION 6048 03:41:42,840 --> 03:41:44,360 SUCH AS SARS-COV-2. 6049 03:41:44,360 --> 03:41:46,360 SO THAT IS ANOARL THING THAT 6050 03:41:46,360 --> 03:41:49,280 WE'RE LOOKING AT VERY 6051 03:41:49,280 --> 03:41:49,720 RIGOROUSLY. 6052 03:41:49,720 --> 03:41:52,360 SO I MENTIONED THE DARPA PREPARE 6053 03:41:52,360 --> 03:41:52,880 PROGRAM. 6054 03:41:52,880 --> 03:41:54,800 THAT'S AN INFLUENZA-FOCUSED 6055 03:41:54,800 --> 03:41:56,040 PROGRAM, AND WE'VE EVALUATED 6056 03:41:56,040 --> 03:41:58,640 MANY OF THE KEY INFLUENZA 6057 03:41:58,640 --> 03:42:02,480 STRAINS THAT THE PANDEMIC 6058 03:42:02,480 --> 03:42:10,040 STRAINS, HONG KONG 68 AND H1N1. 6059 03:42:10,040 --> 03:42:12,120 THIS IS PCR DATA AND WE CAN SEE 6060 03:42:12,120 --> 03:42:14,080 SEVERAL LOGS OF APPLICATION OVER 6061 03:42:14,080 --> 03:42:16,040 48 HOURS, AND WE CAN KNOCK DOWN 6062 03:42:16,040 --> 03:42:18,160 THAT VIRAL REPLICATION WITH A 6063 03:42:18,160 --> 03:42:19,440 DOSE-RESPONSE CURVE WITH THE 6064 03:42:19,440 --> 03:42:21,080 TAMIFLU AND WE CAN DO THAT WITH 6065 03:42:21,080 --> 03:42:22,400 DIFFERENT DONORS AND WE SEE 6066 03:42:22,400 --> 03:42:23,480 DIFFERENT RESULTS FOR THE 6067 03:42:23,480 --> 03:42:26,440 DIFFERENT DONORS. 6068 03:42:26,440 --> 03:42:27,880 SO COVID-19 HAS BEEN OUR MAIN 6069 03:42:27,880 --> 03:42:28,760 FOCUS RECENTLY. 6070 03:42:28,760 --> 03:42:30,240 I'D LIKE TO SPEND THE REST OF 6071 03:42:30,240 --> 03:42:32,120 THE TALK ON THAT ASPECT. 6072 03:42:32,120 --> 03:42:35,720 AND CERTAINLY THIS "NEW YORK 6073 03:42:35,720 --> 03:42:40,760 TIMES" ARTICLE ARTICULATES THE 6074 03:42:40,760 --> 03:42:42,320 COVID-19 VACCINE DEVELOPMENT, 6075 03:42:42,320 --> 03:42:43,400 THAT WAS DISCUSSED EARLIER AS 6076 03:42:43,400 --> 03:42:44,280 WELL AT THE BEGINNING OF THE 6077 03:42:44,280 --> 03:42:45,720 DAY, HAS BEEN A VERY POWERFUL 6078 03:42:45,720 --> 03:42:47,000 AND COMPELLING EXAMPLE OF HOW 6079 03:42:47,000 --> 03:42:48,880 THESE TECHNOLOGIES CAN COME 6080 03:42:48,880 --> 03:42:50,840 TOGETHER QUICKLY WITH SAFE AND 6081 03:42:50,840 --> 03:42:51,720 EFFICACIOUS VACCINES. 6082 03:42:51,720 --> 03:42:54,120 HOWEVER, I THINK A LOT OF PEOPLE 6083 03:42:54,120 --> 03:42:56,560 IN THE MICROPHYSIOLOGICAL 6084 03:42:56,560 --> 03:42:59,600 SYSTEMS DMEUNT, COMMUNITY, G 6085 03:42:59,600 --> 03:43:00,800 ABOUT COVID-19 THERAPEUTICS, ARE 6086 03:43:00,800 --> 03:43:02,440 SEEING AN OPPORTUNITY TO ADDRESS 6087 03:43:02,440 --> 03:43:03,960 ESSENTIALLY A GAP, AND THAT GAP 6088 03:43:03,960 --> 03:43:05,440 AS MANY OF THE SPEAKERS, ALL OF 6089 03:43:05,440 --> 03:43:07,120 THE SPEAKERS HAVE TALKED ABOUT, 6090 03:43:07,120 --> 03:43:08,440 IS IN THE PRE-CLINICAL 6091 03:43:08,440 --> 03:43:09,200 DEVELOPMENT. 6092 03:43:09,200 --> 03:43:10,840 IT'S IN THE LIMITATIONS OF 6093 03:43:10,840 --> 03:43:12,400 ANIMAL MODELS, IT'S IN THE 6094 03:43:12,400 --> 03:43:15,320 LIMITATIONS OF THESE SIMPLIFIED 6095 03:43:15,320 --> 03:43:16,320 IMMORTGAGIZED CELL CULTURE 6096 03:43:16,320 --> 03:43:18,160 SYSTEMS AND MICROPHYSIOLOGICAL 6097 03:43:18,160 --> 03:43:20,320 SYSTEMS HAVE THIS TREMENDOUS 6098 03:43:20,320 --> 03:43:22,880 OPPORTUNITY TO IMPACT AN AREA 6099 03:43:22,880 --> 03:43:25,280 LIKE THE SARS-COV-2 PANDEMIC AND 6100 03:43:25,280 --> 03:43:27,360 HOW ONE MIGHT IDENTIFY 6101 03:43:27,360 --> 03:43:29,320 THERAPEUTICS THAT ARE HIGHLY 6102 03:43:29,320 --> 03:43:30,920 EFFECTIVE FROM THESE SYSTEMS, 6103 03:43:30,920 --> 03:43:33,040 MUCH MORE RAPIDLY, INEXPENSIVELY 6104 03:43:33,040 --> 03:43:35,680 AND MUCH MORE ACCURATELY THAN 6105 03:43:35,680 --> 03:43:37,000 EXISTING PRE-CLINICAL MODELS. 6106 03:43:37,000 --> 03:43:40,240 SO WITH THAT, THAT'S ANOTHER 6107 03:43:40,240 --> 03:43:41,800 AXIS OF WHAT WE'VE TALKING ABOUT 6108 03:43:41,800 --> 03:43:42,560 HERE. 6109 03:43:42,560 --> 03:43:43,520 WE'VE TALKED ABOUT THE 6110 03:43:43,520 --> 03:43:44,200 HIGH-THROUGHPUT, WE'VE TALKED 6111 03:43:44,200 --> 03:43:45,520 ABOUT THE PERSONALIZED MEDICINE. 6112 03:43:45,520 --> 03:43:48,040 THE OTHER KEY ASPECT IS THE HIGH 6113 03:43:48,040 --> 03:43:48,880 CONTAINMENT OPERATION, AND I 6114 03:43:48,880 --> 03:43:50,320 THINK THEY ALL GO TOGETHER 6115 03:43:50,320 --> 03:43:51,120 ESSENTIALLY, AND ONE OF THE 6116 03:43:51,120 --> 03:43:52,520 THINGS WE'VE SEEN IS THAT MANY 6117 03:43:52,520 --> 03:43:54,360 OF THE EFFORTS WITH ORGANS ON 6118 03:43:54,360 --> 03:43:57,120 CHIPS, SOME OF THE THOSE NOTABLE 6119 03:43:57,120 --> 03:43:58,440 EFFORTS, HAS BEEN LIMITED TO 6120 03:43:58,440 --> 03:43:59,560 PSEUDOVIRUS AND VIRAL ENTRY, AND 6121 03:43:59,560 --> 03:44:01,560 WE KNOW THAT IN THAT CASE, THE 6122 03:44:01,560 --> 03:44:03,360 DYNAMIC RANGE IS VERY LIMITED, 6123 03:44:03,360 --> 03:44:05,400 AND MANY OF THE MECHANISMS OF 6124 03:44:05,400 --> 03:44:07,200 REPLICATION ARE NOT REFLECTED BY 6125 03:44:07,200 --> 03:44:09,240 JUST LOOKING AT A PSEUDOVIRUS, 6126 03:44:09,240 --> 03:44:12,000 AND SO OUR AIM EARLY ON IN THE 6127 03:44:12,000 --> 03:44:14,200 PANDEMIC WAS TO ESTABLISH A 6128 03:44:14,200 --> 03:44:21,400 CAPABILITY IN A BSL-3 LABORATORY 6129 03:44:21,400 --> 03:44:24,120 TO LOOK AT THE VIRUS AND ITS 6130 03:44:24,120 --> 03:44:25,440 REPLICATION, BOTH ACROSS STRAINS 6131 03:44:25,440 --> 03:44:27,640 BUT THEN WHAT HAPPENS WHEN WE 6132 03:44:27,640 --> 03:44:28,280 INTRODUCE THERAPEUTIC 6133 03:44:28,280 --> 03:44:30,280 CANDIDATES. 6134 03:44:30,280 --> 03:44:31,920 SO WE'VE LEASED SPACE AT THE 6135 03:44:31,920 --> 03:44:33,880 TUFTS UNIVERSITY AND BIOSAFETY 6136 03:44:33,880 --> 03:44:38,600 LABORATORY WEST OF HERE. 6137 03:44:38,600 --> 03:44:40,080 THESE ARE PEOPLE WITH DECADES OF 6138 03:44:40,080 --> 03:44:42,200 EXPERIENCE IN BSL-3 OPERATIONS. 6139 03:44:42,200 --> 03:44:44,920 IT WASN'T IN SARS-COV-2 6140 03:44:44,920 --> 03:44:46,320 OBVIOUSLY EARLY IN THE PANDEMIC, 6141 03:44:46,320 --> 03:44:47,760 IT WAS IN TUBERCULOSIS AND 6142 03:44:47,760 --> 03:44:50,280 RABIES AND OTHER 6143 03:44:50,280 --> 03:44:51,480 BSL-3 PATHOGENS, BUT THIS 6144 03:44:51,480 --> 03:44:54,960 EXPERTISE CAME TOGETHER WITH THE 6145 03:44:54,960 --> 03:44:56,080 TECHNOLOGY, WORKING TOGETHER IN 6146 03:44:56,080 --> 03:44:56,520 THIS FACILITY. 6147 03:44:56,520 --> 03:44:58,280 A LOT OF THE WORK HAS BEEN DONE 6148 03:44:58,280 --> 03:44:59,040 ON THE WASHINGTON STRAIN BUT 6149 03:44:59,040 --> 03:45:01,120 WE'RE ACQUIRING DELTA AND 6150 03:45:01,120 --> 03:45:02,400 OMICRON AS WELL, AND YOU CAN SEE 6151 03:45:02,400 --> 03:45:03,840 HERE THE LIST OF INFECTIONS 6152 03:45:03,840 --> 03:45:07,880 WE'VE BEEN WORKING WITH IN THE 6153 03:45:07,880 --> 03:45:09,320 BSL-2 AND BSL-3 LABORATORIES. 6154 03:45:09,320 --> 03:45:12,240 SO WITH THAT, WE WERE ABLE TO 6155 03:45:12,240 --> 03:45:13,800 DEMONSTRATE ROBUST VIRAL 6156 03:45:13,800 --> 03:45:18,840 REPLICATION OF SARS-COV-2 IN OUR 6157 03:45:18,840 --> 03:45:19,480 PREDICT 96 SYSTEM. 6158 03:45:19,480 --> 03:45:20,880 WE KNOW IT'S BEEN CHALLENGING, 6159 03:45:20,880 --> 03:45:21,680 WE'VE SEEN DISCUSSIONS IN THE 6160 03:45:21,680 --> 03:45:23,080 FIELD ABOUT HOW THIS IS 6161 03:45:23,080 --> 03:45:24,160 EXTREMELY CHALLENGING AND SOME 6162 03:45:24,160 --> 03:45:26,600 OF THOSE CHALLENGES MAY BE 6163 03:45:26,600 --> 03:45:27,680 ASSOCIATED WITH THE TRANS WELL 6164 03:45:27,680 --> 03:45:29,120 SYSTEMS OR WITH OTHER SYSTEMS, 6165 03:45:29,120 --> 03:45:30,400 THEY MAY BE ASSOCIATED WITH 6166 03:45:30,400 --> 03:45:33,040 OTHER LIMITATIONS IN THE 6167 03:45:33,040 --> 03:45:34,040 PROCESSES, BUT HERE WE'VE BEEN 6168 03:45:34,040 --> 03:45:36,000 ABLE WITH MORE THAN 20 OF THESE 6169 03:45:36,000 --> 03:45:37,760 PREDICT 96 PLATES TO DEMONSTRATE 6170 03:45:37,760 --> 03:45:42,440 ROBUST VIRAL REPLICATION, WE SEE 6171 03:45:42,440 --> 03:45:46,400 VERY LOW INTRA-PLATE VARIABILITY 6172 03:45:46,400 --> 03:45:49,000 SIX DAYS WHEN WE RE-INTRODUCE 6173 03:45:49,000 --> 03:45:50,440 THE INFECTION AT DAY ZERO, THIS 6174 03:45:50,440 --> 03:45:53,720 IS WHEN THE TISSUE HAS BEEN FULL 6175 03:45:53,720 --> 03:45:55,880 LEE DEVELOPED AND THEN WE HAVE 6176 03:45:55,880 --> 03:45:57,880 READOUTS. 6177 03:45:57,880 --> 03:45:59,200 IT ALSO GIVES US OPTIONS IN 6178 03:45:59,200 --> 03:46:04,560 TERMS OF THE WORKFLOW IF WE ARE 6179 03:46:04,560 --> 03:46:05,760 LOOKING AT LARGER PANELS OF 6180 03:46:05,760 --> 03:46:07,120 COMPOUNDS THAT ARE CANDIDATES 6181 03:46:07,120 --> 03:46:09,520 FOR EVALUATION AS AN ANTIVIRAL. 6182 03:46:09,520 --> 03:46:11,560 SO PCR IS KIND OF THE GOLD 6183 03:46:11,560 --> 03:46:13,440 STANDARD, BUT A LOT OF PLAQUE 6184 03:46:13,440 --> 03:46:15,280 ASSAYS, TCIB50 IS ATTRACTIVE 6185 03:46:15,280 --> 03:46:16,400 BECAUSE IT'S VERY 6186 03:46:16,400 --> 03:46:16,760 HIGH-THROUGHPUT. 6187 03:46:16,760 --> 03:46:22,080 WE CAN ALSO DO LEUM LUMINEX R 6188 03:46:22,080 --> 03:46:23,200 ASSAYS. 6189 03:46:23,200 --> 03:46:24,040 CERTAINLY RNA SEQ HAS BEEN DONE 6190 03:46:24,040 --> 03:46:27,320 ON A CASE-BY-CASE BASIS 6191 03:46:27,320 --> 03:46:29,400 PARTICULARLY IN THE DARPA 6192 03:46:29,400 --> 03:46:29,720 PROGRAM. 6193 03:46:29,720 --> 03:46:30,920 SO JUST GOING BACK TO THE 6194 03:46:30,920 --> 03:46:32,120 PRECISION MEDICINE ASPECT. 6195 03:46:32,120 --> 03:46:38,720 WE CAN SEE HERE'S SARS-COV-2 6196 03:46:38,720 --> 03:46:39,560 APPLICATION. 6197 03:46:39,560 --> 03:46:41,040 ACROSS MULTIPLE DONOR, WE CAN 6198 03:46:41,040 --> 03:46:41,680 LOOK AT THE CHARACTERISTICS OF 6199 03:46:41,680 --> 03:46:42,720 THESE DONORS. 6200 03:46:42,720 --> 03:46:44,960 THEIR GENDER, THEIR RACE, THEIR 6201 03:46:44,960 --> 03:46:45,560 AGE. 6202 03:46:45,560 --> 03:46:47,560 CAUSE OF DEATH IS LISTED HERE IN 6203 03:46:47,560 --> 03:46:48,960 THE CASE OF THESE CADAVER 6204 03:46:48,960 --> 03:46:49,200 SOURCES. 6205 03:46:49,200 --> 03:46:51,400 WE ALSO HAVE A SIMILAR PANEL, 6206 03:46:51,400 --> 03:46:53,160 I'M NOT SHOWING IT HERE, OF 6207 03:46:53,160 --> 03:46:55,880 LIVING DONORS FROM MASSACHUSETTS 6208 03:46:55,880 --> 03:46:56,960 GENERAL HOSPITAL, WHERE THESE 6209 03:46:56,960 --> 03:46:59,560 ARE OBTAINED FROM THE RESEARCH 6210 03:46:59,560 --> 03:47:01,320 BRONCHOSCOPIES, AND THEN THE 6211 03:47:01,320 --> 03:47:04,720 DOUBLING TIME AND OTHER 6212 03:47:04,720 --> 03:47:05,280 FEATURES. 6213 03:47:05,280 --> 03:47:06,920 THEY'RE JUST NOW GETTING INTO 6214 03:47:06,920 --> 03:47:07,760 THE THERAPEUTIC SCREENING. 6215 03:47:07,760 --> 03:47:09,880 SO WE CAN SEE ON A SINGLE 6216 03:47:09,880 --> 03:47:11,400 PREDICT 96 PLATE, WE CAN LOOK AT 6217 03:47:11,400 --> 03:47:13,280 AS MANY AS SIX OR MORE COMPOUNDS 6218 03:47:13,280 --> 03:47:16,000 AND HAVE REPLICATES AT VARIOUS 6219 03:47:16,000 --> 03:47:17,960 CONDITIONS, AND THESE CONDITIONS 6220 03:47:17,960 --> 03:47:19,600 CAN BE MULTIPLICITY OF 6221 03:47:19,600 --> 03:47:22,360 INFLATION, THEY CAN BE THE KOAS. 6222 03:47:22,360 --> 03:47:22,560 DOSE. 6223 03:47:22,560 --> 03:47:23,880 SO WHAT WE'VE DONE IS WE'VE 6224 03:47:23,880 --> 03:47:25,080 TAKEN MANY OF THE SORT OF 6225 03:47:25,080 --> 03:47:27,040 PREDOMINANT COMPOUNDS THAT -- 6226 03:47:27,040 --> 03:47:30,560 TREATMENTS THAT ARE BEING USED, 6227 03:47:30,560 --> 03:47:31,240 THE APPROVED COMPOUNDS HERE IN 6228 03:47:31,240 --> 03:47:32,720 THE UPPER ROW AND ASK OURSELVES 6229 03:47:32,720 --> 03:47:35,040 THE QUESTION, THIS IS REALLY A 6230 03:47:35,040 --> 03:47:36,760 LITMUS TEST FOR ORGAN ON CHIP 6231 03:47:36,760 --> 03:47:38,200 SYSTEMS THAT WE'VE BEEN 6232 03:47:38,200 --> 03:47:40,480 UNDERTAKING HERE, AND THAT IS IF 6233 03:47:40,480 --> 03:47:42,480 WE INTRODUCE THE APPROVED 6234 03:47:42,480 --> 03:47:44,760 TREATMENTS FOR SARS-COV-2, CAN 6235 03:47:44,760 --> 03:47:46,160 WE REPRODUCE ESSENTIALLY WHAT IS 6236 03:47:46,160 --> 03:47:49,120 SEEN CLINICALLY, AND THEN IF WE 6237 03:47:49,120 --> 03:47:51,480 LOOK AHEAD, COULD WE THEN HAVE 6238 03:47:51,480 --> 03:47:53,960 FREE 6239 03:47:53,960 --> 03:47:55,920 PREDICTED WITHOUT GOING THROUGH 6240 03:47:55,920 --> 03:47:57,800 SCREENS OR ANIMAL MODELS OR 6241 03:47:57,800 --> 03:47:59,400 EXTENSIVE CLINICAL STUDY, COULD 6242 03:47:59,400 --> 03:48:00,720 WE PREDICT WHICH DRUGS ARE GOING 6243 03:48:00,720 --> 03:48:02,600 TO WORK BEST. 6244 03:48:02,600 --> 03:48:07,200 AND SO WE'RE LOOKING HERE AT 6245 03:48:07,200 --> 03:48:11,320 PAXLOVID, REMDESIVIR, 6246 03:48:11,320 --> 03:48:12,000 MOLNUPIRAVIR AND SOME OTHER 6247 03:48:12,000 --> 03:48:13,280 COMPOUNDS THAT ARE ESSENTIALLY 6248 03:48:13,280 --> 03:48:16,040 BEING EVALUATED. 6249 03:48:16,040 --> 03:48:16,920 CALPEPTIN AND OTHER COMPOUNDS. 6250 03:48:16,920 --> 03:48:18,920 SO JUST GOING TO THIS SLIDE HOOR 6251 03:48:18,920 --> 03:48:20,280 HERE WHERE WE ESSENTIALLY LOOK 6252 03:48:20,280 --> 03:48:22,280 AT THE RESULTS, WE THOUGHT OF 6253 03:48:22,280 --> 03:48:24,680 THOSE IN TERMS OF THE FULL 6254 03:48:24,680 --> 03:48:26,200 REDUCTION IN THE VIRAL RNA, AND 6255 03:48:26,200 --> 03:48:30,400 HERE YOU CAN SEE THE CURVES BUT 6256 03:48:30,400 --> 03:48:32,000 THESE BAR CHARTS ARE A LITTLE 6257 03:48:32,000 --> 03:48:32,880 EASIER TO VISUALIZE. 6258 03:48:32,880 --> 03:48:34,320 WHAT WE'VE DONE IS WE'VE ORDERED 6259 03:48:34,320 --> 03:48:35,600 THESE COMPOUNDS IN TERMS OF OUR 6260 03:48:35,600 --> 03:48:37,920 PREDICTION BASED ON THE PREDICT 6261 03:48:37,920 --> 03:48:40,240 96 STUDIES, AND WE CAN SEE A 6262 03:48:40,240 --> 03:48:41,720 TREMENDOUS FULL REDUCTION, 6263 03:48:41,720 --> 03:48:46,560 ESPECIALLY AT THE HIGH DOSES FOR 6264 03:48:46,560 --> 03:48:48,480 THE MAIN COMPONENT OF PAXLOVID 6265 03:48:48,480 --> 03:48:51,160 BUT EVEN AT THE MID RANGE DOSE, 6266 03:48:51,160 --> 03:48:53,680 THE REMDESIVIR IS KIND OF AN 6267 03:48:53,680 --> 03:48:54,760 INTERMEDIATE CASE WHERE AT VERY 6268 03:48:54,760 --> 03:48:58,800 HIGH DOSE, WE SEE VERY LARGE 6269 03:48:58,800 --> 03:49:00,360 REDUCTION IN THE VIRAL COPY 6270 03:49:00,360 --> 03:49:03,200 NUMBER, AND THEN THE 6271 03:49:03,200 --> 03:49:04,200 MOLNUPIRAVIR IS EASILY THE 6272 03:49:04,200 --> 03:49:05,160 WEAKEST OF THE THREE, WHERE 6273 03:49:05,160 --> 03:49:06,360 WE'VE GOT MARGINAL REDUCTION 6274 03:49:06,360 --> 03:49:08,000 EVEN AT THE HIGH DOSE, AND 6275 03:49:08,000 --> 03:49:09,600 REALLY VIRTUALLY NO EFFECT AT 6276 03:49:09,600 --> 03:49:10,520 THE LOWER DOSES. 6277 03:49:10,520 --> 03:49:12,840 AND IF WE JUST TAKE A LOOK AT 6278 03:49:12,840 --> 03:49:13,960 CLINICAL RESULTS HERE AND LOOK 6279 03:49:13,960 --> 03:49:17,200 AT THE HOSPITALIZATION, WE KNOW 6280 03:49:17,200 --> 03:49:18,840 PAXLOVID IS HIGHLY EFFICACIOUS, 6281 03:49:18,840 --> 03:49:20,800 CLEARLY THAT'S THE TREATMENT OF 6282 03:49:20,800 --> 03:49:23,720 CHOICE REDUCING HOSPITALIZATION 6283 03:49:23,720 --> 03:49:24,840 BY 89%. 6284 03:49:24,840 --> 03:49:27,240 THE REMDESIVIR REDUCES 6285 03:49:27,240 --> 03:49:28,320 HOSPITALIZATION ALMOST BY THE 6286 03:49:28,320 --> 03:49:32,960 SAME AMOUNT BUT MANY CLINICAL 6287 03:49:32,960 --> 03:49:34,160 STUDIES SUGGEST IT'S NOT QUITE 6288 03:49:34,160 --> 03:49:35,440 AS EFFICACIOUS AT PAXLOVID. 6289 03:49:35,440 --> 03:49:36,760 IT LOOKS THAT WAY FROM OUR 6290 03:49:36,760 --> 03:49:37,360 PREDICTION. 6291 03:49:37,360 --> 03:49:39,160 AND THE MOLNUPIRAVIR IN PLATE 6292 03:49:39,160 --> 03:49:41,160 AFTER PLATE SHOWS A RELATIVELY 6293 03:49:41,160 --> 03:49:44,440 WEAK RESPONSE IN OUR SYSTEM, IN 6294 03:49:44,440 --> 03:49:45,440 OUR HANDS, BUT ALSO IN TERMS OF 6295 03:49:45,440 --> 03:49:46,920 THE CLINIC, REDUCING 6296 03:49:46,920 --> 03:49:48,640 HOSPITALIZATION ONLY MARGINALLY. 6297 03:49:48,640 --> 03:49:50,000 IN ADDITION, IT DOES APPEAR TO 6298 03:49:50,000 --> 03:49:51,880 HAVE SOME SAFETY CONCERNS, BUT I 6299 03:49:51,880 --> 03:49:53,480 THINK WHAT WE'RE ESSENTIALLY 6300 03:49:53,480 --> 03:49:55,560 SHOWING HERE IS THE ABILITY OF 6301 03:49:55,560 --> 03:49:57,680 THIS PREDICT 96 SYSTEM TO GAUGE 6302 03:49:57,680 --> 03:50:00,560 THE EFFECTIVENESS IN TERMS OF 6303 03:50:00,560 --> 03:50:03,360 THE CLINIC OF THESE VARIOUS 6304 03:50:03,360 --> 03:50:04,440 COMPOUNDS IN THE SARS-COV-2 6305 03:50:04,440 --> 03:50:05,640 VIRUS, WHICH IS A CHALLENGING 6306 03:50:05,640 --> 03:50:08,280 VIRUS TO WORK WITH, AND SO WE'RE 6307 03:50:08,280 --> 03:50:11,080 VERY EXCITED OBVIOUSLY BY 6308 03:50:11,080 --> 03:50:11,880 THIS -- BY THESE RESULTS AND 6309 03:50:11,880 --> 03:50:13,400 BELIEVE THAT THE LOGICAL NEXT 6310 03:50:13,400 --> 03:50:15,560 STEP IS TO BEGIN TO LOOK AT 6311 03:50:15,560 --> 03:50:18,440 LARGER PANELS, LOOK AT DIFFERENT 6312 03:50:18,440 --> 03:50:19,760 PATIENT POPULATIONS AND LOOK AT 6313 03:50:19,760 --> 03:50:21,400 EMERGING VARIANTS WHERE WE WON'T 6314 03:50:21,400 --> 03:50:22,840 KNOW HOW WELL THESE DRUGS WORK. 6315 03:50:22,840 --> 03:50:24,560 IN FACT, SOMEONE YESTERDAY WAS 6316 03:50:24,560 --> 03:50:26,520 ASKING ME, CAN WE LOOK AT THE 6317 03:50:26,520 --> 03:50:28,480 REBOUND EFFECT IN PAXLOVID, AND 6318 03:50:28,480 --> 03:50:30,040 THAT'S A FASCINATING QUESTION. 6319 03:50:30,040 --> 03:50:32,120 SO I THINK THAT WOULD BE A NEXT 6320 03:50:32,120 --> 03:50:33,120 STEP. 6321 03:50:33,120 --> 03:50:34,520 SO JUST IN QUICK SUMMARY HERE, 6322 03:50:34,520 --> 03:50:35,920 THERE'S A CRITICAL NEED FOR 6323 03:50:35,920 --> 03:50:38,360 THESE ORGAN ON CHIP MODELS WITH 6324 03:50:38,360 --> 03:50:40,080 HIGH PRIORITY PATHOGEN RESEARCH. 6325 03:50:40,080 --> 03:50:41,840 THE HIGH-THROUGHPUT IS KEY. 6326 03:50:41,840 --> 03:50:43,800 WE'VE BEEN ABLE TO DEMONSTRATE 6327 03:50:43,800 --> 03:50:45,360 ROBUST VIRAL REPLICATION ACROSS 6328 03:50:45,360 --> 03:50:48,840 MANY, MANY PLATES IN THE 6329 03:50:48,840 --> 03:50:50,240 BSL-3 LABORATORY AND DONE SO 6330 03:50:50,240 --> 03:50:52,120 WITH CELLS FROM HUMAN PRIMARY 6331 03:50:52,120 --> 03:50:53,440 DONORS, AND WE REALLY BELIEVE 6332 03:50:53,440 --> 03:50:55,720 THAT THIS MCM SCREENING IS A 6333 03:50:55,720 --> 03:50:59,040 ROBUST AND REPRODUCIBLE 6334 03:50:59,040 --> 03:50:59,880 CAPABILITY, AND WE'D LIKE TO 6335 03:50:59,880 --> 03:51:01,880 CONTINUE WITH THAT WITH LARGER 6336 03:51:01,880 --> 03:51:03,400 PANELS AS I TALKED ABOUT ACROSS 6337 03:51:03,400 --> 03:51:05,560 THE VARIOUS DOMAINS THAT WE'RE 6338 03:51:05,560 --> 03:51:06,600 INTERESTED IN LOOKING AT. 6339 03:51:06,600 --> 03:51:10,960 SO WITH THAT, I'D REICH LIKEK 6340 03:51:10,960 --> 03:51:12,800 EVERYONE, PARTICULARLY ASHLEY 6341 03:51:12,800 --> 03:51:14,000 GARD, THE PRINCIPAL INVESTIGATOR 6342 03:51:14,000 --> 03:51:15,200 FOR THIS WORK AND HER 6343 03:51:15,200 --> 03:51:16,840 OUTSTANDING TEAM AT DRAPER, OUR 6344 03:51:16,840 --> 03:51:19,240 COLLABORATORS AT MGH, THE 6345 03:51:19,240 --> 03:51:23,280 OUTSTANDING TEAM AT THE TUFTS, 6346 03:51:23,280 --> 03:51:25,400 OUR UMASS COLLABORATORS ON THE 6347 03:51:25,400 --> 03:51:26,800 PREPARE PROGRAM AND THE FUNDING 6348 03:51:26,800 --> 03:51:28,080 SOURCES, AND THANK YOU ALL. 6349 03:51:28,080 --> 03:51:29,760 >> THANK YOU, JEFF. 6350 03:51:29,760 --> 03:51:31,080 THIS IS AMAZING WORK THAT YOU 6351 03:51:31,080 --> 03:51:35,080 GUYS ARE DOING AND THE 6352 03:51:35,080 --> 03:51:37,200 PHARMACOLOGICAL RESULTS AND THE 6353 03:51:37,200 --> 03:51:37,840 HIGH-THROUGHPUT THAT YOU'RE 6354 03:51:37,840 --> 03:51:39,160 GETTING IN YOUR PLATFORM. 6355 03:51:39,160 --> 03:51:41,760 IT'S REALLY ENCOURAGING AND 6356 03:51:41,760 --> 03:51:45,600 REPRODUCIBILITY. 6357 03:51:45,600 --> 03:51:48,120 I THINK NOW WE ARE IN THE 6358 03:51:48,120 --> 03:51:52,720 QUESTION AND ANSWER TIME. 6359 03:51:52,720 --> 03:51:54,600 BEFORE WE GO INTO THE DISCUSSION 6360 03:51:54,600 --> 03:51:56,640 AND QUESTIONS, I WOULD LIKE TO 6361 03:51:56,640 --> 03:52:01,240 THANK THE SPEAKERS AGAIN FOR 6362 03:52:01,240 --> 03:52:03,080 TERRIFIC PRESENTATIONS, AND 6363 03:52:03,080 --> 03:52:05,720 REALLY IN MY MIND, I THINK WE 6364 03:52:05,720 --> 03:52:08,880 GOT A VERY NICE BROAD VIEW OF 6365 03:52:08,880 --> 03:52:11,640 THE DIFFERENT TISSUE MODELS, 6366 03:52:11,640 --> 03:52:15,320 ORGANOIDS, TISSUE ON A CHIP. 6367 03:52:15,320 --> 03:52:17,760 FOR THOSE OF YOU WHO ARE NEW IN 6368 03:52:17,760 --> 03:52:20,160 THIS WORLD OF 3D TISSUE MODEL, 6369 03:52:20,160 --> 03:52:21,920 YOU GOT A VERY NICE PERSPECTIVE 6370 03:52:21,920 --> 03:52:22,760 OF WHAT'S HAPPENING. 6371 03:52:22,760 --> 03:52:26,000 THE TECHNOLOGY IS ADVANCING AT A 6372 03:52:26,000 --> 03:52:32,640 VERY FAST PACE, AND I THINK -- 6373 03:52:32,640 --> 03:52:34,160 ONE OF THE CHALLENGES, I THINK 6374 03:52:34,160 --> 03:52:35,360 JOHN MENTIONED AT THE BEGINNING, 6375 03:52:35,360 --> 03:52:39,520 IS HOW DO YOU MAKE THIS PROMISE 6376 03:52:39,520 --> 03:52:41,560 INTO A REALITY. 6377 03:52:41,560 --> 03:52:46,160 OF ALL THE SPEERK, I SPEAKY 6378 03:52:46,160 --> 03:52:48,120 TWO THIRDS ARE BIOENGINEERS, 6379 03:52:48,120 --> 03:52:51,560 BIOENGINEERING LABS. 6380 03:52:51,560 --> 03:52:52,880 ONE OTHER QUESTION IS HOW DO WE 6381 03:52:52,880 --> 03:52:55,080 GET THESE TECHNOLOGIES INTO MORE 6382 03:52:55,080 --> 03:52:56,160 BIOLOGY LABS SO THERE'S MORE 6383 03:52:56,160 --> 03:53:00,000 PEOPLE REALLY DOING SCIENTIFIC 6384 03:53:00,000 --> 03:53:01,600 VALIDATION AND PHYSIOLOGICAL 6385 03:53:01,600 --> 03:53:03,040 VALIDATIONS OF THESE MODELS. 6386 03:53:03,040 --> 03:53:07,520 SO THERE'S A BUNCH OF QUESTIONS. 6387 03:53:07,520 --> 03:53:08,520 I'M GOING TO GO THROUGH THE 6388 03:53:08,520 --> 03:53:09,600 QUESTIONS IN THE BOX, BUT 6389 03:53:09,600 --> 03:53:14,000 BEFORE, I WANTED TO START WITH 6390 03:53:14,000 --> 03:53:16,520 CHRISTINE MUMMERY. 6391 03:53:16,520 --> 03:53:17,800 BECAUSE IF I UNDERSTOOD 6392 03:53:17,800 --> 03:53:19,120 CORRECTLY, YOU'RE NOT IN A 6393 03:53:19,120 --> 03:53:21,880 TISSUE ENGINEERING LAB. 6394 03:53:21,880 --> 03:53:22,960 YOU'RE A STEM CELL LAB. 6395 03:53:22,960 --> 03:53:25,040 SO MY QUESTION TO YOU IS, WHEN 6396 03:53:25,040 --> 03:53:28,960 YOU GOT INTO THESE 3D TISSUE 6397 03:53:28,960 --> 03:53:30,600 MODELS IN TERMS OF ORGANOID, 6398 03:53:30,600 --> 03:53:31,920 MICRO TISSUES AND THEN YOU'RE 6399 03:53:31,920 --> 03:53:34,000 DOING SOME WORK WITH TISSUE 6400 03:53:34,000 --> 03:53:36,840 CHIPS NOW THAT YOU SHOW, WHAT 6401 03:53:36,840 --> 03:53:37,840 WERE THE CONSIDERATIONS, WHAT 6402 03:53:37,840 --> 03:53:40,680 WERE THE DRIVERS, WHAT WERE THE 6403 03:53:40,680 --> 03:53:42,200 DECISIONS YOU HAD TO MAKE WHEN 6404 03:53:42,200 --> 03:53:44,640 YOU STARTED WORKING WITH THESE 6405 03:53:44,640 --> 03:53:45,600 COMPLEX TISSUES? 6406 03:53:45,600 --> 03:53:51,160 >> WELL, SO I'M A PHYSICIST BY 6407 03:53:51,160 --> 03:53:54,680 TRAINING, BUT I ADOPTED STEM 6408 03:53:54,680 --> 03:53:55,520 CELL BIOLOGY VERY EARLY ON. 6409 03:53:55,520 --> 03:53:56,880 SO I TRY TO COMBINE 6410 03:53:56,880 --> 03:54:00,160 DEVELOPMENTAL BIOLOGY CONCEPTS, 6411 03:54:00,160 --> 03:54:01,760 OR WHAT DOES A CELL NEED, WITH 6412 03:54:01,760 --> 03:54:04,200 ENGINEERING CONCEPTS. 6413 03:54:04,200 --> 03:54:07,000 BECAUSE I'M IN A ENVIRONMENT 6414 03:54:07,000 --> 03:54:08,240 WHERE -- I JUST THOUGHT CHIPS 6415 03:54:08,240 --> 03:54:09,760 WERE SO COOL, BUT THEY'RE USING 6416 03:54:09,760 --> 03:54:10,520 THE WRONG CELLS. 6417 03:54:10,520 --> 03:54:13,240 SO I'M NOT A FAN OF CELLS LIKE 6418 03:54:13,240 --> 03:54:16,400 HUVEX, WHICH ARE REALLY SORT OF 6419 03:54:16,400 --> 03:54:17,480 OLD ENDOTHELIAL CELLS, THEY'RE 6420 03:54:17,480 --> 03:54:18,680 NOT REALLY REPRESENTATIVE OF 6421 03:54:18,680 --> 03:54:20,440 WHAT YOU FIND IN MOST OF THE 6422 03:54:20,440 --> 03:54:23,080 BODY. 6423 03:54:23,080 --> 03:54:25,560 AND I -- WE'RE USING THESE 6424 03:54:25,560 --> 03:54:27,120 FANTASTIC STEM CELL MODELS BUT 6425 03:54:27,120 --> 03:54:28,520 YOU JUST PUT THEM IN THE WRONG 6426 03:54:28,520 --> 03:54:29,120 SUBSTRATE. 6427 03:54:29,120 --> 03:54:31,280 SO WE GOT TOGETHER AND DECIDED 6428 03:54:31,280 --> 03:54:33,240 TO TRY AND COMBINE THESE THINGS. 6429 03:54:33,240 --> 03:54:35,560 NOW, MOST IMPORTANT WAS TO MAKE 6430 03:54:35,560 --> 03:54:37,840 THE BIOLOGY ROBUST, SO I THINK I 6431 03:54:37,840 --> 03:54:40,680 SHOWED EXAMPLES OF HOW WE DO QA 6432 03:54:40,680 --> 03:54:42,320 AND QC BEFORE WE PUT THINGS IN 6433 03:54:42,320 --> 03:54:43,720 CHIPS, BUT THEN YOU ASK WHAT 6434 03:54:43,720 --> 03:54:46,160 CHIPS DO YOU USE. 6435 03:54:46,160 --> 03:54:47,680 SO YOU WANT SOMETHING THAT'S 6436 03:54:47,680 --> 03:54:48,560 AVAILABLE, REPRODUCIBLE. 6437 03:54:48,560 --> 03:54:50,520 IF YOU GO TO A TECHNICAL 6438 03:54:50,520 --> 03:54:51,480 UNIVERSITY, THEY'LL GIVE YOU A 6439 03:54:51,480 --> 03:54:53,160 CHIP AND THERE ARE LIKE 10 OF 6440 03:54:53,160 --> 03:54:54,800 THEM, WHEN YOU SAID YOU WANT A 6441 03:54:54,800 --> 03:54:55,680 HUNDRED, THEY CHANGED THEIR 6442 03:54:55,680 --> 03:54:56,640 DESIGN. 6443 03:54:56,640 --> 03:55:00,360 SO THERE IS THIS BALANCE BETWEEN 6444 03:55:00,360 --> 03:55:01,680 INNOVATION AND REPRODUCIBILITY. 6445 03:55:01,680 --> 03:55:03,440 SO THOSE ARE THE MOST OF THE 6446 03:55:03,440 --> 03:55:05,440 QUESTIONS WE ADDRESS IN CHOOSING 6447 03:55:05,440 --> 03:55:05,960 OUR CHIPS. 6448 03:55:05,960 --> 03:55:08,600 SO WE PROBABLY HAVE FIVE OR SIX 6449 03:55:08,600 --> 03:55:10,200 DIFFERENT COMMERCIAL CHIPS WE 6450 03:55:10,200 --> 03:55:11,560 USE. 6451 03:55:11,560 --> 03:55:14,040 EACH ARE SUITED FOR DIFFERENT 6452 03:55:14,040 --> 03:55:14,960 PURPOSES. 6453 03:55:14,960 --> 03:55:16,840 SO THAT'S MOSTLY HOW THE 6454 03:55:16,840 --> 03:55:18,200 REASONING HAS GONE. 6455 03:55:18,200 --> 03:55:21,480 I THINK MOST EXCITING IS THAT WE 6456 03:55:21,480 --> 03:55:25,280 CAN SEE THINGS IN 3D UNDER FLOW 6457 03:55:25,280 --> 03:55:28,600 THAT WE NEVER SAW IN 2D. 6458 03:55:28,600 --> 03:55:33,840 AND IT'S PUTTING THINGS IN SOFT 6459 03:55:33,840 --> 03:55:35,280 SUBSTRATES HAS BEEN REALLY 6460 03:55:35,280 --> 03:55:35,680 EXTREMELY HELPFUL. 6461 03:55:35,680 --> 03:55:41,280 >> SOFFIT FOR PURPOSE, . 6462 03:55:41,280 --> 03:55:42,360 SIMON MENTIONED AT THE 6463 03:55:42,360 --> 03:55:43,080 BEGINNING, WHAT'S THE QUESTION 6464 03:55:43,080 --> 03:55:47,400 YOU'RE ASKING, AND REALLY VERY 6465 03:55:47,400 --> 03:55:48,960 CRITICALLY WHAT IS THE BEST 6466 03:55:48,960 --> 03:55:50,040 PLATFORM TO ANSWER THAT 6467 03:55:50,040 --> 03:55:50,360 QUESTION. 6468 03:55:50,360 --> 03:55:54,040 LIKE YOU SAID, IT MIGHT BE MANY 6469 03:55:54,040 --> 03:55:56,360 PLATFORMS, DIFFERENT THROUGH 6470 03:55:56,360 --> 03:55:56,720 PUT. 6471 03:55:56,720 --> 03:55:57,680 THANK YOU, CHRISTINE. 6472 03:55:57,680 --> 03:56:03,480 THERE'S A QUESTION IN THE CHAT 6473 03:56:03,480 --> 03:56:06,960 ABOUT FLOW, AND I'M GOING TO ASK 6474 03:56:06,960 --> 03:56:09,840 JEFF AND JASON MAYBE TO TALK A 6475 03:56:09,840 --> 03:56:16,160 LITTLE BIT ABOUT FLOW, I THINK 6476 03:56:16,160 --> 03:56:20,760 THE QUESTION IS ABOUT SOMEONE 6477 03:56:20,760 --> 03:56:21,760 MENTIONED LIKE SHEER STRESS AND 6478 03:56:21,760 --> 03:56:25,200 HOW DO YOU CONTROL -- STRESS 6479 03:56:25,200 --> 03:56:30,080 EFFECTS ON FISH EU CELL -- MEDIA 6480 03:56:30,080 --> 03:56:32,360 FLOW RATES ON EACH MODEL? 6481 03:56:32,360 --> 03:56:33,480 JEFF FIRST, THEN MAYBE JASON, 6482 03:56:33,480 --> 03:56:34,640 CAN YOU GUYS COMMENT ON THAT? 6483 03:56:34,640 --> 03:56:36,640 >> I CAN QUICKLY ANSWER AND THEN 6484 03:56:36,640 --> 03:56:37,520 JASON PROVIDE ON HIS. 6485 03:56:37,520 --> 03:56:40,680 SO FOR OUR SYSTEM, THE SHEER CAN 6486 03:56:40,680 --> 03:56:43,160 RANGE ANYWHERE FROM ZERO UP TO 6487 03:56:43,160 --> 03:56:47,360 ABOUT 10 OR MORE DINES PER 6488 03:56:47,360 --> 03:56:47,800 SQUARE COUNCILMEMBER. 6489 03:56:47,800 --> 03:56:53,160 I CENTIMETER. 6490 03:56:53,160 --> 03:56:56,400 WE HAVE A HIGH SHEER FORMAT THAT 6491 03:56:56,400 --> 03:56:59,160 WE CAN USE IF FOR INSTANCE WE'RE 6492 03:56:59,160 --> 03:57:00,040 STUDYING LONG COVID, I THINK 6493 03:57:00,040 --> 03:57:01,040 THAT WOULD BE A SITUATION WHERE 6494 03:57:01,040 --> 03:57:02,640 YOU'D WANT TO GO UP TO THAT 10 6495 03:57:02,640 --> 03:57:05,280 DINES PER SQUARE CENTIMETER. 6496 03:57:05,280 --> 03:57:06,800 MANY OF THE OTHER APPLICATIONS, 6497 03:57:06,800 --> 03:57:08,560 WE WORK IN A SORT OF LOW TO MID 6498 03:57:08,560 --> 03:57:10,200 RANGE SHEER THAT MAY BE 6499 03:57:10,200 --> 03:57:14,320 APPROPRIATE, MAYBE ONE DINE PER 6500 03:57:14,320 --> 03:57:16,760 SQUARE -- WHERE THERE ARE 6501 03:57:16,760 --> 03:57:17,760 SHEER-SENSITIVE CELLS BUT WE CAN 6502 03:57:17,760 --> 03:57:19,160 DIAL IT OR TUNE IT ESSENTIALLY 6503 03:57:19,160 --> 03:57:21,560 FOR THE APPROPRIATE APPLICATION. 6504 03:57:21,560 --> 03:57:27,480 >> SO FOR MINE, WE USE A SIMILAR 6505 03:57:27,480 --> 03:57:29,120 DINE ZERO FLOW RATE, SO WHAT I 6506 03:57:29,120 --> 03:57:31,000 WANT TO COMMENT IS THE DIFFERENT 6507 03:57:31,000 --> 03:57:32,640 PUMP SYSTEM DO YOU WANT TO USE 6508 03:57:32,640 --> 03:57:40,920 IF YOU'RE CIRCULATING -- REQUIRE 6509 03:57:40,920 --> 03:57:42,560 TO MAINTAIN THE CONTINUOUS FLOW, 6510 03:57:42,560 --> 03:57:44,960 AND THAT WAY WE WILL CHOOSE THE 6511 03:57:44,960 --> 03:57:47,920 SIMPLEST WAY, JUST TO PUT -- ON 6512 03:57:47,920 --> 03:57:49,680 PATH THEAND USING THE GRADIENT 6513 03:57:49,680 --> 03:57:52,160 OF THE DIFFERENT -- WE DID TO 6514 03:57:52,160 --> 03:57:52,560 DROP FLOW. 6515 03:57:52,560 --> 03:57:57,680 SO IN THIS WAY, ALTHOUGH -- THEY 6516 03:57:57,680 --> 03:57:59,000 ARE NOT STABLE, BUT IN A SHORT 6517 03:57:59,000 --> 03:58:01,400 TIME, THEY ARE ACTUALLY QUITE 6518 03:58:01,400 --> 03:58:05,560 STABLE AND IT'S EASY TO AVOID 6519 03:58:05,560 --> 03:58:07,360 ANY -- VOLUME BY CONNECTING THE 6520 03:58:07,360 --> 03:58:09,960 PUPS 6521 03:58:09,960 --> 03:58:13,880 PUMPS OR ANY -- MICRO FLUID 6522 03:58:13,880 --> 03:58:14,720 DEVICE ALWAYS KILLS EVERYTHING. 6523 03:58:14,720 --> 03:58:18,200 SO ANOTHER THING I WANT TO 6524 03:58:18,200 --> 03:58:19,160 MENTION, PREVIOUS PUBLICATION 6525 03:58:19,160 --> 03:58:24,800 ABOUT THE MICRO HEART. 6526 03:58:24,800 --> 03:58:27,960 ACTUALLY -- HE DEVELOPED A WAY 6527 03:58:27,960 --> 03:58:32,640 TO QUANTIFY WHAT WILL BE THE 6528 03:58:32,640 --> 03:58:36,280 FLOW RATE BY USING CONSOLE 6529 03:58:36,280 --> 03:58:37,040 SIMULATIONS MAYBE YOU WANT TO 6530 03:58:37,040 --> 03:58:38,440 USE THAT AS WELL. 6531 03:58:38,440 --> 03:58:40,000 >> TONY, ACTUALLY THAT WAS A 6532 03:58:40,000 --> 03:58:41,760 QUESTION FOR YOU AS WELL. 6533 03:58:41,760 --> 03:58:43,280 THE QUESTION WAS, WHAT IS THE 6534 03:58:43,280 --> 03:58:46,680 CORRECT FLOW OF CIRCULATORY 6535 03:58:46,680 --> 03:58:47,680 SYSTEM THROUGH DIFFERENT ORGANS 6536 03:58:47,680 --> 03:58:49,400 AND THEIR PROPER METABOLISM IN 6537 03:58:49,400 --> 03:58:50,280 KIDNEYS OR LIVER. 6538 03:58:50,280 --> 03:58:53,000 HOW DO YOU -- WHEN YOU MAKE 6539 03:58:53,000 --> 03:58:54,440 THESE ORGANS ON A CHIP, WHEN YOU 6540 03:58:54,440 --> 03:58:55,640 HAVE DIFFERENT ORGAN, HOW DO YOU 6541 03:58:55,640 --> 03:58:59,040 ADJUST THE FLOW AND THE OTHER 6542 03:58:59,040 --> 03:59:00,440 QUESTION THAT COMES UP IS WHAT 6543 03:59:00,440 --> 03:59:05,240 MEDIAS DO YOU USE WHEN YOU HAVE 6544 03:59:05,240 --> 03:59:06,600 THESE MULTIORGAN CHIPS? 6545 03:59:06,600 --> 03:59:07,800 TONY, CAN YOU ADDRESS THIS 6546 03:59:07,800 --> 03:59:08,040 QUESTION? 6547 03:59:08,040 --> 03:59:08,880 >> YES, ABSOLUTELY. 6548 03:59:08,880 --> 03:59:11,280 THANK YOU, MARC. 6549 03:59:11,280 --> 03:59:12,040 GREAT QUESTION ACTUALLY BECAUSE 6550 03:59:12,040 --> 03:59:14,640 THIS IS AN IMPORTANT FACT. 6551 03:59:14,640 --> 03:59:16,080 WHEN YOU'RE PUTTING THESE TISSUE 6552 03:59:16,080 --> 03:59:18,840 MODELS ON THE CHIP, YOU HAVE TO 6553 03:59:18,840 --> 03:59:20,120 ACCOUNT FOR A COUPLE OF THINGS. 6554 03:59:20,120 --> 03:59:24,240 THE FIRST ONE IS THE VOLUME OF 6555 03:59:24,240 --> 03:59:24,920 THE ORGAN ITSELF. 6556 03:59:24,920 --> 03:59:26,480 SO YOU KNOW THE LIVER HAS MUCH 6557 03:59:26,480 --> 03:59:29,680 MORE VOLUME THAN THE HEART. 6558 03:59:29,680 --> 03:59:31,760 THE LUNG HAS MORE VOLUME THAN 6559 03:59:31,760 --> 03:59:32,800 THE HEART AND LESS THAN THE 6560 03:59:32,800 --> 03:59:34,240 LIVER, SO YOU HAVE TO 6561 03:59:34,240 --> 03:59:36,560 ACCOMMODATE FOR THAT IN YOUR 6562 03:59:36,560 --> 03:59:38,200 CHIP SYSTEM SO THAT YOUR BODY IN 6563 03:59:38,200 --> 03:59:42,440 A CHIP REALLY DOES REPRESENT THE 6564 03:59:42,440 --> 03:59:43,560 TRUE VOLUME IN A HUMAN. 6565 03:59:43,560 --> 03:59:46,440 YOU DON'T WANT TO HAVE 10 TIMES 6566 03:59:46,440 --> 03:59:47,480 THE HEART THAN YOU DO OF THE 6567 03:59:47,480 --> 03:59:47,680 LIVER. 6568 03:59:47,680 --> 03:59:49,120 SO THAT'S THE FIRST THING. 6569 03:59:49,120 --> 03:59:50,480 THE SECOND THING IS IN TERMS OF 6570 03:59:50,480 --> 03:59:53,880 THE FLOW, THE FLOW IS ACTUALLY 6571 03:59:53,880 --> 03:59:58,880 CONSISTENT WITH A MICROSYSTEM OF 6572 03:59:58,880 --> 04:00:00,600 WHERE WE REDUCE THE MICRO 6573 04:00:00,600 --> 04:00:01,480 FLUIDICS AND MEASURE THE FLUID 6574 04:00:01,480 --> 04:00:02,480 WITHIN THE SYSTEM. 6575 04:00:02,480 --> 04:00:04,000 DEPENDING ON HOW WE CONSTRUCT 6576 04:00:04,000 --> 04:00:05,000 THAT SYSTEM, BECAUSE AS YOU 6577 04:00:05,000 --> 04:00:06,960 KNOW, WE HAVE BEEN PRINTING THEM 6578 04:00:06,960 --> 04:00:09,360 AND WE HAVE ALSO BEEN MAKING 6579 04:00:09,360 --> 04:00:11,640 MICROPHYSIOLOGICAL SYSTEMS WITH 6580 04:00:11,640 --> 04:00:12,840 WELLS AND OTHER SYSTEMS. 6581 04:00:12,840 --> 04:00:13,840 EACH ONE IS DIFFERENT, AND YOU 6582 04:00:13,840 --> 04:00:15,040 REALLY DO HAVE TO FIGURE OUT 6583 04:00:15,040 --> 04:00:17,040 WHAT THE CONVERSION FACTOR IS IN 6584 04:00:17,040 --> 04:00:18,760 TERMS OF THE FLOW THAT GOES TO 6585 04:00:18,760 --> 04:00:19,960 THE BODY, BECAUSE IF YOU REALLY 6586 04:00:19,960 --> 04:00:22,840 THINK ABOUT IT, YOUR OWN BLOOD 6587 04:00:22,840 --> 04:00:24,480 FLOW GOES TO YOUR ENTIRE BODY, 6588 04:00:24,480 --> 04:00:26,480 YOU KNOW, EVERY HOUR BASICALLY, 6589 04:00:26,480 --> 04:00:29,920 YOU KNOW, YOU HAVE YOUR ENTIRE 6590 04:00:29,920 --> 04:00:33,360 BLOOD GO THROUGH YOUR BODY, SO O 6591 04:00:33,360 --> 04:00:34,880 YOU HAVE TO ACCOUNT FOR THE SALE 6592 04:00:34,880 --> 04:00:38,040 THING, WHICH IS ABOUT 4 TO 6593 04:00:38,040 --> 04:00:39,560 5-LITERS OF BLOOD THROUGHOUT 6594 04:00:39,560 --> 04:00:40,440 YOUR SYSTEM. 6595 04:00:40,440 --> 04:00:41,400 THE OTHER THING IS THE ABILITY 6596 04:00:41,400 --> 04:00:42,960 OF THESE STRUCTURES TO INTERACT 6597 04:00:42,960 --> 04:00:44,040 WITH EACH OTHER AND HOW ARE YOU 6598 04:00:44,040 --> 04:00:46,120 GOING TO MEL SURE THAT FLOW IN 6599 04:00:46,120 --> 04:00:47,000 TERMS OF THE MEDIA. 6600 04:00:47,000 --> 04:00:48,560 THE QUESTION WAS ABOUT OF THE 6601 04:00:48,560 --> 04:00:49,080 MEDIA. 6602 04:00:49,080 --> 04:00:51,200 ACTUALLY THAT WAS ONE OF THE 6603 04:00:51,200 --> 04:00:52,800 FIRST DIRECTIVES OF THE INITIAL 6604 04:00:52,800 --> 04:00:53,560 DTRA PROGRAM. 6605 04:00:53,560 --> 04:00:58,440 I WAS HAPPY TO SEE CLINT, HE WAS 6606 04:00:58,440 --> 04:01:00,280 ONE OF THE PEOPLE THAT ASSIGNED 6607 04:01:00,280 --> 04:01:03,960 THAT INITIAL PROGRAM WITH DTRA, 6608 04:01:03,960 --> 04:01:06,480 AND THE GOAL OF THAT PROGRAM WAS 6609 04:01:06,480 --> 04:01:07,000 COMMON MEDIA. 6610 04:01:07,000 --> 04:01:08,600 AND THAT'S WHERE WE WERE ABLE TO 6611 04:01:08,600 --> 04:01:10,320 DO, IS TO CREATE A COMMON MEDIA 6612 04:01:10,320 --> 04:01:14,440 THAT IS ABLE TO -- THAT ALLOWS 6613 04:01:14,440 --> 04:01:16,400 THE SYSTEM TO BE IN A STEADY 6614 04:01:16,400 --> 04:01:17,800 STATE IN TERMS OF EVERYTHING 6615 04:01:17,800 --> 04:01:19,160 THAT'S NEEDED WITHIN THE SYSTEM 6616 04:01:19,160 --> 04:01:22,560 AND THE SYSTEM SELF REGULATES, 6617 04:01:22,560 --> 04:01:25,040 SO WHAT HAPPENS IS INITIALLY THE 6618 04:01:25,040 --> 04:01:26,480 MEDIA GOES THROUGH AND THE 6619 04:01:26,480 --> 04:01:29,000 SYSTEM ITSELF HELPS TO REGULATE 6620 04:01:29,000 --> 04:01:30,040 THE MEDIA SO YOU HAVE SOMETHING 6621 04:01:30,040 --> 04:01:31,640 THAT IS GOOD FOR ALL THE CELL 6622 04:01:31,640 --> 04:01:32,720 TYPES WITHIN THAT SYSTEM. 6623 04:01:32,720 --> 04:01:35,160 SO THIS WAS ACTUALLY ONE OF THE 6624 04:01:35,160 --> 04:01:39,200 PRIMARY DIRECTIVES OF THE 6625 04:01:39,200 --> 04:01:43,760 DEFENSE AGENCY SYSTEM AND IT'S 6626 04:01:43,760 --> 04:01:44,600 WORK VED WELL FOR US. 6627 04:01:44,600 --> 04:01:46,960 >> THANKS, TONY. 6628 04:01:46,960 --> 04:01:50,000 IT'S ACTUALLY -- KIND OF SPLIT 6629 04:01:50,000 --> 04:01:53,480 THE QUESTION INTO TWO QUESTIONS. 6630 04:01:53,480 --> 04:01:54,600 I'LL START WITH YOU, TONY, 6631 04:01:54,600 --> 04:01:56,880 BECAUSE THE QUESTION WAS TO YOU 6632 04:01:56,880 --> 04:01:57,440 DIRECTLY. 6633 04:01:57,440 --> 04:02:00,280 ARE YOU USING HUMAN PRIMARY 6634 04:02:00,280 --> 04:02:02,800 CELLS OR ARE YOU USING IPS 6635 04:02:02,800 --> 04:02:04,000 DERIVED CELLS? 6636 04:02:04,000 --> 04:02:05,320 WE'VE SEEN IN SOME OF THE TALKS 6637 04:02:05,320 --> 04:02:06,520 THAT PEOPLE USED BOTH IN THE 6638 04:02:06,520 --> 04:02:08,920 SAME TISSUE, PRIMARY CELLS AND 6639 04:02:08,920 --> 04:02:12,200 IPS DERIVED CELLS, SO CAN YOU 6640 04:02:12,200 --> 04:02:15,040 TELL US A LITTLE BIT ABOUT HOW 6641 04:02:15,040 --> 04:02:19,320 DO YOU CHOOSE THE CELLS THAT YOU 6642 04:02:19,320 --> 04:02:25,000 USE FOR A PARTICULAR SYSTEM? 6643 04:02:25,000 --> 04:02:25,560 >> ANOTHER GREAT QUESTION. 6644 04:02:25,560 --> 04:02:29,400 SO WE REALLY TRY TO USE NORMAL 6645 04:02:29,400 --> 04:02:32,760 PRIMARY HUMAN CELLS WHEREVER 6646 04:02:32,760 --> 04:02:34,960 POSSIBLE. 6647 04:02:34,960 --> 04:02:37,800 SO FOR THE LIVER STRUCTURES, YOU 6648 04:02:37,800 --> 04:02:39,440 SAW THOSE LIVER CELL TYPES TO 6649 04:02:39,440 --> 04:02:44,120 CREATE THE TISSUES -- THERE ARE 6650 04:02:44,120 --> 04:02:45,760 SOME INSTANCES WHERE YOU HAVE TO 6651 04:02:45,760 --> 04:02:47,200 USE THE IPS. 6652 04:02:47,200 --> 04:02:49,520 WE'D RATHER NOT, BUT SOMETIMES 6653 04:02:49,520 --> 04:02:51,160 YOU HAVE TO BECAUSE THERE'S NO 6654 04:02:51,160 --> 04:02:51,800 EQUIVALENT TO THAT. 6655 04:02:51,800 --> 04:02:53,960 AND SO WHEN THAT'S THE CASE, 6656 04:02:53,960 --> 04:02:55,840 THEN WE WILL USE THE IPS CELLS. 6657 04:02:55,840 --> 04:02:59,880 BUT CERTAINLY WE DO NOT USE ANY 6658 04:02:59,880 --> 04:03:02,520 CELL -- LIKE CHRISTINE MUMMERY 6659 04:03:02,520 --> 04:03:04,400 SAID, I ENJOYED YOUR TALK, 6660 04:03:04,400 --> 04:03:05,360 CHRISTINE, LIKE SHE SAID, 6661 04:03:05,360 --> 04:03:06,440 BASICALLY YOU DON'T WANT TO BE 6662 04:03:06,440 --> 04:03:07,440 USING CELL LINES, RIGHT, YOU 6663 04:03:07,440 --> 04:03:11,840 DON'T WANT TO BE USING HUBIK 6664 04:03:11,840 --> 04:03:12,680 CELLS, THEY'RE 6665 04:03:12,680 --> 04:03:13,680 NON-REPRESENTATIVE OF THE NORMAL 6666 04:03:13,680 --> 04:03:13,880 SYSTEM. 6667 04:03:13,880 --> 04:03:15,200 SO WHEN WE CREATE THESE 6668 04:03:15,200 --> 04:03:16,400 STRUCTURES, WE REALLY WANT TO 6669 04:03:16,400 --> 04:03:18,600 USE NORMAL PRIMARY HUMAN CELLS 6670 04:03:18,600 --> 04:03:21,320 AS MUCH AS POSSIBLE. 6671 04:03:21,320 --> 04:03:24,840 >> OR IF I MAY ADD, YOU HAVE TO 6672 04:03:24,840 --> 04:03:26,800 DO A HEAD TO HEAD COMPARISON 6673 04:03:26,800 --> 04:03:31,520 WITH YOUR IPS DERIVATIVES. 6674 04:03:31,520 --> 04:03:32,880 THAT'S HOW WE DISCOVERED, OF 6675 04:03:32,880 --> 04:03:34,880 COURSE, THAT THEY WERE IMMATURE 6676 04:03:34,880 --> 04:03:37,000 AND THAT PUTTING IN STROMA MAKES 6677 04:03:37,000 --> 04:03:39,680 THEM TO A CERTAIN EXTENT MATURE. 6678 04:03:39,680 --> 04:03:42,880 SO YOU CAN PEN CH MARK AGAIN THE 6679 04:03:42,880 --> 04:03:43,640 PRIMARY TISSUES. 6680 04:03:43,640 --> 04:03:45,280 PRIMARY TISSUES ARE SOMETIMES 6681 04:03:45,280 --> 04:03:48,160 SUBJECT TO STRESS, SO YOU GET A 6682 04:03:48,160 --> 04:03:49,520 LOT OF STRESS GENES AND YOU HAVE 6683 04:03:49,520 --> 04:03:51,440 TO TAKE CARE OF THAT. 6684 04:03:51,440 --> 04:03:55,560 BECAUSE IT'S NOT -- I MEAN, A 6685 04:03:55,560 --> 04:03:57,880 LUNG LAVAGE IS DIFFERENT BECAUSE 6686 04:03:57,880 --> 04:03:59,280 THAT'S NOT STRESS, BUT IF YOU 6687 04:03:59,280 --> 04:04:01,680 WANT TO ASSOCIATE KIDNEY OR SOME 6688 04:04:01,680 --> 04:04:03,000 OTHER TISSUES, THE STRESS GENES 6689 04:04:03,000 --> 04:04:04,080 GO ALL OVER THE PLACE. 6690 04:04:04,080 --> 04:04:06,960 SO DURING SINGLE CELL RNA SEQ, 6691 04:04:06,960 --> 04:04:08,920 THIS IS NOT NECESSARILY 6692 04:04:08,920 --> 04:04:09,680 INFORMATIVE ALL THE TIME. 6693 04:04:09,680 --> 04:04:11,240 SO I THINK THIS IS JUST USING A 6694 04:04:11,240 --> 04:04:12,520 BIT OF COMMON SENSE TO FIGURE 6695 04:04:12,520 --> 04:04:13,960 OUT WHAT'S THE BEST FOR YOUR 6696 04:04:13,960 --> 04:04:15,200 SYSTEM, WHAT'S YOUR QUESTION, 6697 04:04:15,200 --> 04:04:17,880 WHAT DO YOU WANT TO KNOW THE 6698 04:04:17,880 --> 04:04:19,280 ANSWER TO WILL GUIDE US. 6699 04:04:19,280 --> 04:04:21,880 SO IT'S CLEAR WE CAN, OF COURSE, 6700 04:04:21,880 --> 04:04:24,240 GET MANY, MANY TISSUES FROM 6701 04:04:24,240 --> 04:04:28,600 MANY, MANY PATIENTS IF WE USE 6702 04:04:28,600 --> 04:04:30,560 IPS, AND YOU HAVE THIS 6703 04:04:30,560 --> 04:04:31,760 POSSIBILITY OF ALMOST 6704 04:04:31,760 --> 04:04:33,400 NEUTRALIZING BATCH TO BATCH 6705 04:04:33,400 --> 04:04:34,720 DIFFERENCES. 6706 04:04:34,720 --> 04:04:37,240 SO THAT HAS AN UPSIDE. 6707 04:04:37,240 --> 04:04:42,600 THE DOWNSIDE, AS I SAID, RIDES 6708 04:04:42,600 --> 04:04:45,520 UP FRONT OF THE IMMATURITY OF 6709 04:04:45,520 --> 04:04:47,080 THE SYSTEM AND MANY AMOUNTS OF 6710 04:04:47,080 --> 04:04:47,440 MANIPULATION. 6711 04:04:47,440 --> 04:04:51,240 SO I THIL STIL STILL THINKS 6712 04:04:51,240 --> 04:04:53,760 BENEFITS TO HAVING IPS OR HUMAN 6713 04:04:53,760 --> 04:04:54,200 ORGANOIDS. 6714 04:04:54,200 --> 04:04:56,080 WHAT'S NOT BEING COMBINED YET, 6715 04:04:56,080 --> 04:04:58,680 AND WE'RE GOING TO BE DOING THIS 6716 04:04:58,680 --> 04:05:02,080 WITH PEOPLE WORKING WITH HANS 6717 04:05:02,080 --> 04:05:03,600 CLEVERS IS COMBINING THE 6718 04:05:03,600 --> 04:05:09,160 ORGANOIDS WITH IPS -- WHAT YOU 6719 04:05:09,160 --> 04:05:11,800 CANNOT DO WITH THE ADULT 6720 04:05:11,800 --> 04:05:13,200 ORGANOIDS IS MAKE STROMA. 6721 04:05:13,200 --> 04:05:16,520 YOU CAN'T MAKE THE IMMUNE SYSTEM 6722 04:05:16,520 --> 04:05:19,040 ISOGENICLY -- YOU CAN GET IT FOR 6723 04:05:19,040 --> 04:05:21,440 PATIENTS BUT YOU CAN'T DO IT -- 6724 04:05:21,440 --> 04:05:24,280 AND FROM IPS, CAN YOU MAKE 6725 04:05:24,280 --> 04:05:26,240 FAIRLY GOOD MONOCYTES. 6726 04:05:26,240 --> 04:05:28,760 YOU CAN MAKE THE TISSUE 6727 04:05:28,760 --> 04:05:31,520 APPROPRIATE STROMA, BUT YOU 6728 04:05:31,520 --> 04:05:33,680 CAN'T GET MATURE EPITHELIAL 6729 04:05:33,680 --> 04:05:35,320 COMPONENT THE WAY YOU CAN GET 6730 04:05:35,320 --> 04:05:37,160 THAT OF ORGANOIDS. 6731 04:05:37,160 --> 04:05:39,040 SO WHAT YOU WANT TO KNOW, YOU 6732 04:05:39,040 --> 04:05:40,440 WANT IT AS SIMPLE AS POSSIBLE TO 6733 04:05:40,440 --> 04:05:41,200 ANSWER YOUR QUESTION. 6734 04:05:41,200 --> 04:05:45,040 AS COMPLEX AS NECESSARY TO MODEL 6735 04:05:45,040 --> 04:05:47,920 YOUR DISEASE OR DRUG RESPONSE. 6736 04:05:47,920 --> 04:05:49,600 >> CHRISTINE, TO FOLLOW UP IN 6737 04:05:49,600 --> 04:05:51,040 ONE OF THE TALKS, I FORGOT IF IT 6738 04:05:51,040 --> 04:05:52,280 WAS YOU OR SOMEONE ELSE, THE 6739 04:05:52,280 --> 04:05:54,240 WHOLE ASPECT OF CONTEXT, TISSUE 6740 04:05:54,240 --> 04:05:56,640 CONTEXT, RIGHT? 6741 04:05:56,640 --> 04:05:59,160 YOU START WITH AN IPS FROM A 6742 04:05:59,160 --> 04:06:00,360 SKIN FIBROBLAST AND THEN YOU'RE 6743 04:06:00,360 --> 04:06:04,440 TRYING TO MAKE A LONG EPITHELIAL 6744 04:06:04,440 --> 04:06:05,600 CELLS, ARE YOU LOSING THE SORT 6745 04:06:05,600 --> 04:06:09,880 OF TISSUE CONTEXT OR BY JUST 6746 04:06:09,880 --> 04:06:11,320 PUTTING OTHER CELLS, STROMA 6747 04:06:11,320 --> 04:06:15,480 CELLS, YOU WILL GAIN THAT TISSUE 6748 04:06:15,480 --> 04:06:16,760 CONTEXT THAT MIGHT DIFFERENTIATE 6749 04:06:16,760 --> 04:06:20,480 ALSO THE CELLS, ENDOTHELIAL 6750 04:06:20,480 --> 04:06:20,720 CELLS -- 6751 04:06:20,720 --> 04:06:22,160 >> SO YES AND NO. 6752 04:06:22,160 --> 04:06:24,240 SO THE STROMAL CELLS LIKE THE 6753 04:06:24,240 --> 04:06:25,760 ENDOTHELIAL CELLS CAN GET FROM 6754 04:06:25,760 --> 04:06:27,040 IPS CELL USING A STANDARD 6755 04:06:27,040 --> 04:06:28,440 PROTOCOL ARE STILL PLASTIC. 6756 04:06:28,440 --> 04:06:32,440 IF YOU CO-CULTURE THEM IN AN 6757 04:06:32,440 --> 04:06:34,080 ORGANOID OR A PARTICULAR TISSUE 6758 04:06:34,080 --> 04:06:35,800 TYPE, THEY UPREGULATE 6759 04:06:35,800 --> 04:06:36,560 TRANSCRIPTION FACTORS OF THE 6760 04:06:36,560 --> 04:06:37,320 TISSUE THEY'RE IN. 6761 04:06:37,320 --> 04:06:39,320 SO THEY'RE PLASTIC ENOUGH TO 6762 04:06:39,320 --> 04:06:40,320 ADULT IDENTITY. 6763 04:06:40,320 --> 04:06:42,560 SO IN THE FIRST PLACE, WE DID IT 6764 04:06:42,560 --> 04:06:43,320 THE DIFFICULT WAY. 6765 04:06:43,320 --> 04:06:45,120 WE GOT THE PROGENITOR OF THE 6766 04:06:45,120 --> 04:06:46,320 ORGAN SO IN THIS CASE, IT WAS 6767 04:06:46,320 --> 04:06:48,720 THE CARDIAC PROGENITOR, WE MADE 6768 04:06:48,720 --> 04:06:50,600 A CARDIAC ENDOTHELIAL CELLS, AND 6769 04:06:50,600 --> 04:06:52,200 THEN WE LOOKED AT THE 6770 04:06:52,200 --> 04:06:58,120 TRANSCRIPTION PROFILE AND WE SEE 6771 04:06:58,120 --> 04:06:59,840 CARDIAC TRANSCRIPTION FACTORS IN 6772 04:06:59,840 --> 04:07:01,280 A BONA FIDE ENDOTHELIAL CELL. 6773 04:07:01,280 --> 04:07:03,160 THAT TELLS BUT TISSUE 6774 04:07:03,160 --> 04:07:04,360 SPECIFICITY AND THAT WAS AN 6775 04:07:04,360 --> 04:07:07,080 EXTRA SORT OF MESSAGE, DON'T USE 6776 04:07:07,080 --> 04:07:08,920 HUVEX, BECAUSE THEY'RE NOT TRUE 6777 04:07:08,920 --> 04:07:09,520 TISSUE-SPECIFIC CELLS. 6778 04:07:09,520 --> 04:07:11,480 ON THE OTHER HAND, IT TURNED OUT 6779 04:07:11,480 --> 04:07:13,640 THAT PLASTICITY MEANT WITH A 6780 04:07:13,640 --> 04:07:17,240 CERTAIN A COCULTURE, YOU COULD 6781 04:07:17,240 --> 04:07:18,480 RECAPITULATE SOME OF THE 6782 04:07:18,480 --> 04:07:19,680 TISSUE-SPECIFIC FEATURES AND THE 6783 04:07:19,680 --> 04:07:22,560 SAME IS TRUE OF FIBROBLASTS TO 6784 04:07:22,560 --> 04:07:26,000 SOME EXTENT. 6785 04:07:26,000 --> 04:07:26,920 SO IT DEPENDS WHAT YOU WANT TO 6786 04:07:26,920 --> 04:07:27,200 DO. 6787 04:07:27,200 --> 04:07:28,840 IF YOU JUST WANT SOMETHING THAT 6788 04:07:28,840 --> 04:07:30,040 GIVES YOU FLOW, THAT'S FINE. 6789 04:07:30,040 --> 04:07:31,680 IF YOU WANT TO DO SOMETHING 6790 04:07:31,680 --> 04:07:32,560 ABOUT -- LEARN SOMETHING ABOUT 6791 04:07:32,560 --> 04:07:35,840 THE BIOLOGY OF VASCULAR CELLS, 6792 04:07:35,840 --> 04:07:36,720 THE VASCULATURE YOU PUT IN, THEN 6793 04:07:36,720 --> 04:07:40,000 IT'S A COMPLETELY DIFFERENT 6794 04:07:40,000 --> 04:07:40,280 QUESTION. 6795 04:07:40,280 --> 04:07:41,680 >> IF I MAY ANSWER THAT, BECAUSE 6796 04:07:41,680 --> 04:07:43,160 YOU KNOW ONE OF THE STRATEGIES 6797 04:07:43,160 --> 04:07:45,920 THAT WE HAD TO USE AS I 6798 04:07:45,920 --> 04:07:47,680 MENTIONED IS REALLY USING THE 6799 04:07:47,680 --> 04:07:51,360 EXTRACELLULAR MATRIX IN THE 6800 04:07:51,360 --> 04:07:51,800 ORGANOIDS. 6801 04:07:51,800 --> 04:07:53,240 THE REASON FOR THAT IS THAT WHEN 6802 04:07:53,240 --> 04:07:57,520 YOU'RE LOOKING AT NORMAL TISSUE, 6803 04:07:57,520 --> 04:07:58,400 WHEN YOU'RE LOOKING AT THE 6804 04:07:58,400 --> 04:07:59,160 ORGAN, THE ORGAN AT THE END OF 6805 04:07:59,160 --> 04:08:02,560 THE DAY IS BASICALLY THE CELLS, 6806 04:08:02,560 --> 04:08:04,040 AND THE EXTRACELLULAR MATRIX. 6807 04:08:04,040 --> 04:08:05,160 THAT'S WHAT IT IS, RIGHT? 6808 04:08:05,160 --> 04:08:06,920 IT'S THE CELLS AND THE GLUE THAT 6809 04:08:06,920 --> 04:08:09,760 HOLDS THE CELLS TOGETHER. 6810 04:08:09,760 --> 04:08:11,280 THE EXTRACELLULAR MATRIX PLAYS A 6811 04:08:11,280 --> 04:08:13,360 MAJOR ROLE IN THE FUNCTIONALITY 6812 04:08:13,360 --> 04:08:14,560 OF THE TISSUE, INCLUDING THE 6813 04:08:14,560 --> 04:08:15,680 STIFFNESS AS I SHOWED IN ONE OF 6814 04:08:15,680 --> 04:08:18,920 THE SLIDES. 6815 04:08:18,920 --> 04:08:20,520 SO THAT'S CRITICAL HONESTLY 6816 04:08:20,520 --> 04:08:23,760 BECAUSE FOR THE CELLS TO SE SECE 6817 04:08:23,760 --> 04:08:25,760 THEIR OWN ECM, IT TAKES TIME. 6818 04:08:25,760 --> 04:08:27,800 SO CELLS WILL SECRETE THEIR OWN 6819 04:08:27,800 --> 04:08:29,360 ECM, BUT THAT IS A TIME PROCESS 6820 04:08:29,360 --> 04:08:30,760 FOR THAT TO ACTUALLY OCCUR AND 6821 04:08:30,760 --> 04:08:33,800 TO BUILD THAT THREE DIMENSIONAL 6822 04:08:33,800 --> 04:08:34,520 ORGANIZATIONAL STRUCTURE. 6823 04:08:34,520 --> 04:08:38,280 SO THAT IS WHY VERY EARLY ON, WE 6824 04:08:38,280 --> 04:08:40,440 BASICALLY WENT TO THE STRATEGY, 6825 04:08:40,440 --> 04:08:43,760 WE JUST INK WRAIT INCORPOR. 6826 04:08:43,760 --> 04:08:45,000 YOU'RE NOT GOING TO HAVE THESE 6827 04:08:45,000 --> 04:08:46,160 ORGANOIDS AROUND TOO LONG TO 6828 04:08:46,160 --> 04:08:48,680 ACTUALLY THEM SECRETE THAT ECM. 6829 04:08:48,680 --> 04:08:51,160 THAT'S CRITICAL, WHEN WE LOOK AT 6830 04:08:51,160 --> 04:08:51,960 THE INFECTIVITY FOR EXAMPLE OF 6831 04:08:51,960 --> 04:08:56,240 THOSE LUNG MODELS THAT I SHOWED, 6832 04:08:56,240 --> 04:08:58,280 WE USE LUNG-SPECIFIC ECM, AND WE 6833 04:08:58,280 --> 04:09:01,280 FIND THAT THAT'S CRITICAL FOR 6834 04:09:01,280 --> 04:09:04,440 THE MIGRATION OF THE NEUTROPHILS 6835 04:09:04,440 --> 04:09:05,560 THROUGH THE VIRAL RESPONSE. 6836 04:09:05,560 --> 04:09:08,480 AND THIS IS A PROGRAM THAT DAVE 6837 04:09:08,480 --> 04:09:10,880 HONE FROM DTRA HAS NOW PUT 6838 04:09:10,880 --> 04:09:13,000 TOGETHER, THIS PATNOS PROGRAM 6839 04:09:13,000 --> 04:09:14,960 FOR US TO LOOK AT VIRUSES AND 6840 04:09:14,960 --> 04:09:18,040 HOW THEY ACTUALLY PENETRATE THE 6841 04:09:18,040 --> 04:09:19,320 CELL MEMBRANES AND HOW THEY 6842 04:09:19,320 --> 04:09:20,960 ACTUALLY GET THROUGH ALL THOSE 6843 04:09:20,960 --> 04:09:23,680 CELL LAYERS, AND YOU KNOW, IT'S 6844 04:09:23,680 --> 04:09:25,880 OKAY TO GET THROUGH AN 6845 04:09:25,880 --> 04:09:26,960 EPITHELIAL CELL LAYER BUT WHEN 6846 04:09:26,960 --> 04:09:29,360 YOU DON'T HAVE ECM THERE, HOW 6847 04:09:29,360 --> 04:09:30,560 REALISTIC TO THE NATURAL 6848 04:09:30,560 --> 04:09:30,840 RESPONSE. 6849 04:09:30,840 --> 04:09:32,560 >> THAT'S WHY ALL MICRO TISSUES 6850 04:09:32,560 --> 04:09:33,120 ARE THREE WEEKS OLD. 6851 04:09:33,120 --> 04:09:36,360 THEY HAVE TO PRODUCE THEIR OWN 6852 04:09:36,360 --> 04:09:37,160 CARDIOMYOCYTE MATRIX. 6853 04:09:37,160 --> 04:09:38,960 BUT THAT'S ALSO CONTRIBUTED BY 6854 04:09:38,960 --> 04:09:39,800 THE STROMAL CELLS. 6855 04:09:39,800 --> 04:09:41,080 >> YEAH. 6856 04:09:41,080 --> 04:09:42,280 SO I THINK IT'S SO IMPORTANT TO 6857 04:09:42,280 --> 04:09:43,280 HAVE THAT ECM. 6858 04:09:43,280 --> 04:09:43,880 IT REALLY IS. 6859 04:09:43,880 --> 04:09:45,360 >> ABSOLUTELY. 6860 04:09:45,360 --> 04:09:46,880 >> SO THERE'S A QUESTION IN THE 6861 04:09:46,880 --> 04:09:49,280 CHAT THAT SAYS, HOW DO YOU MAKE 6862 04:09:49,280 --> 04:09:51,480 SURE THAT THE TISSUE MODELS 6863 04:09:51,480 --> 04:09:53,320 REPRESENT HUMAN PHYSIOLOGY? 6864 04:09:53,320 --> 04:09:55,280 SO IT'S TIED TO YOUR DISCUSSION 6865 04:09:55,280 --> 04:09:57,080 IN THE SENSE THAT, LIKE, WELL, 6866 04:09:57,080 --> 04:09:58,920 IF I WANT TO MAKE A LUNG TISSUE, 6867 04:09:58,920 --> 04:10:02,720 I NEED TO FIND SOME LUNG ECM 6868 04:10:02,720 --> 04:10:03,840 SOMEWHERE, WHETHER IT'S 6869 04:10:03,840 --> 04:10:05,920 COMMERCIALLY OR FIND A SOURCE, 6870 04:10:05,920 --> 04:10:09,640 AND THEN HOW -- WHAT SORT OF 6871 04:10:09,640 --> 04:10:10,840 VALIDATIONS DO WE NEED TO DO, 6872 04:10:10,840 --> 04:10:11,200 RIGHT? 6873 04:10:11,200 --> 04:10:12,600 I MEAN -- 6874 04:10:12,600 --> 04:10:15,560 >> THAT'S A REALLY GOOD 6875 04:10:15,560 --> 04:10:16,240 QUESTION, BECAUSE THE QUESTION 6876 04:10:16,240 --> 04:10:18,400 IS REALLY, WHAT CAN YOU ACTUALLY 6877 04:10:18,400 --> 04:10:20,040 MEASURE IN THE HUMAN BODY THAT 6878 04:10:20,040 --> 04:10:23,200 YOU COULD TRANSLATE INTO YOUR 6879 04:10:23,200 --> 04:10:24,000 MODEL? 6880 04:10:24,000 --> 04:10:28,560 YOU CAN'T MEASURE -- IN THE 6881 04:10:28,560 --> 04:10:30,280 HUMAN BODY DB EPITHELIAL 6882 04:10:30,280 --> 04:10:30,600 RESISTANCE. 6883 04:10:30,600 --> 04:10:33,920 YOU CAN MEASURE THAT IN ISOLATED 6884 04:10:33,920 --> 04:10:34,360 EP 6885 04:10:34,360 --> 04:10:34,680 EPITHELIUM. 6886 04:10:34,680 --> 04:10:35,880 SO IN A NUMBER OF PARAMETERS, 6887 04:10:35,880 --> 04:10:38,160 YOU CAN DO A HEAD TO HEAD 6888 04:10:38,160 --> 04:10:39,600 COMPARISON NUMERICALLY, 6889 04:10:39,600 --> 04:10:40,280 QUANTITATIVELY IT'S VERY 6890 04:10:40,280 --> 04:10:40,560 LIMITED. 6891 04:10:40,560 --> 04:10:42,360 SO FOR A HEART, YOU CAN DO THE 6892 04:10:42,360 --> 04:10:44,520 ACTION PRO TENSION. 6893 04:10:44,520 --> 04:10:44,800 POTENTIAL. 6894 04:10:44,800 --> 04:10:46,480 CAN YOU DO IT PRIMARY. 6895 04:10:46,480 --> 04:10:49,360 IN THE HEART ITSELF AND IN THE 6896 04:10:49,360 --> 04:10:50,200 MODEL. 6897 04:10:50,200 --> 04:10:51,520 BUT WHAT ELSE? 6898 04:10:51,520 --> 04:10:53,400 SECRETED FACTORS, SO MARKER, BUT 6899 04:10:53,400 --> 04:10:55,360 YOU HAVE TO DOWNSCALE THAT OR 6900 04:10:55,360 --> 04:10:59,960 UPSCALE TO MATCH THE AMOUNT OF 6901 04:10:59,960 --> 04:11:01,440 BLOOD AND AMOUNT OF TISSUE IN 6902 04:11:01,440 --> 04:11:03,920 THE HUMAN BHO DE. 6903 04:11:03,920 --> 04:11:04,120 BODY. 6904 04:11:04,120 --> 04:11:05,720 SO THESE ARE VERY DIFFICULT 6905 04:11:05,720 --> 04:11:07,280 CALCULATIONS. 6906 04:11:07,280 --> 04:11:09,320 PUTTING SENSORS IN THE BODY TO 6907 04:11:09,320 --> 04:11:11,000 DETECT THINGS SO THAT IT REALLY 6908 04:11:11,000 --> 04:11:12,120 IS A LOT OF WORK TO BE DONE 6909 04:11:12,120 --> 04:11:12,560 THERE. 6910 04:11:12,560 --> 04:11:14,280 SO AT THE MOMENT, WE MOSTLY GO 6911 04:11:14,280 --> 04:11:17,560 FOR SINGLE CELL RNA SEQ OR SOME 6912 04:11:17,560 --> 04:11:19,760 SORT OF GENOMICS OROMIX ASSAY TO 6913 04:11:19,760 --> 04:11:21,480 FIGURE THAT OUT. 6914 04:11:21,480 --> 04:11:23,000 SO LOOK AT THE METABOLIC PROFILE 6915 04:11:23,000 --> 04:11:24,360 OR THINGS LIKE THAT. 6916 04:11:24,360 --> 04:11:26,000 BUT IT'S QUITE LIMITED, THE 6917 04:11:26,000 --> 04:11:27,200 NUMBER OF HEAD TO HEAD 6918 04:11:27,200 --> 04:11:28,000 COMPARISONS YOU CAN DO. 6919 04:11:28,000 --> 04:11:32,000 >> AND THEN ACCESS TO THIS HUMAN 6920 04:11:32,000 --> 04:11:35,600 DATA, RIGHT? 6921 04:11:35,600 --> 04:11:37,040 WHERE IS THIS DATA RESIDING AND 6922 04:11:37,040 --> 04:11:39,440 HOW DO YOU GET IT? 6923 04:11:39,440 --> 04:11:41,080 WHETHER IT'S PUBLIC DATABASES OR 6924 04:11:41,080 --> 04:11:42,520 WHETHER YOU HAVE COLLABORATORS 6925 04:11:42,520 --> 04:11:46,120 THAT HAVE GENERATED IT. 6926 04:11:46,120 --> 04:11:47,080 JEFF, YOU HAVE A BUNCH OF 6927 04:11:47,080 --> 04:11:50,360 QUESTIONS, IF YOU GO TO THE Q & 6928 04:11:50,360 --> 04:11:54,400 A BOX THERE'S A BUNCH OF 6929 04:11:54,400 --> 04:11:55,320 QUESTIONS SPECIFIC TO YOUR 6930 04:11:55,320 --> 04:11:55,520 MODEL. 6931 04:11:55,520 --> 04:11:58,160 IF YOU COULD ADDRESS THOSE, TYPE 6932 04:11:58,160 --> 04:11:59,880 IN THE ANSWER, THAT WOULD BE 6933 04:11:59,880 --> 04:12:03,720 GREAT. 6934 04:12:03,720 --> 04:12:05,680 >> THANK YOU, MARK. 6935 04:12:05,680 --> 04:12:06,120 CERTAINLY. 6936 04:12:06,120 --> 04:12:08,280 I SEE ONE QUESTION FROM DAVID 6937 04:12:08,280 --> 04:12:11,160 ABOUT COMBINATION, THAT'S A 6938 04:12:11,160 --> 04:12:14,640 GREAT QUESTION LOOKING AT THE 6939 04:12:14,640 --> 04:12:15,200 COMBINATION. 6940 04:12:15,200 --> 04:12:16,320 IT'S NOT SOMETHING WE'VE TESTED 6941 04:12:16,320 --> 04:12:17,280 YET BUT SOMETHING WE COULD 6942 04:12:17,280 --> 04:12:18,480 CERTAINLY DO IN OUR SYSTEM. 6943 04:12:18,480 --> 04:12:22,640 WE COULD DO THE TWO OF THEM IN 6944 04:12:22,640 --> 04:12:23,080 ISOLATION. 6945 04:12:23,080 --> 04:12:24,960 WE DIDN'T INCLUDE THE RITONAVIR 6946 04:12:24,960 --> 04:12:28,320 BECAUSE THAT'S REALLY A 6947 04:12:28,320 --> 04:12:29,240 PHARMACOKINETIC COMPOUND THAT'S 6948 04:12:29,240 --> 04:12:30,400 ADDED TO CONTROL LIVER 6949 04:12:30,400 --> 04:12:33,800 METABOLISM, BUT I THINK WE COULD 6950 04:12:33,800 --> 04:12:35,200 CERTAINLY LOOK AT COMBINATION 6951 04:12:35,200 --> 04:12:36,200 THERAPIES IN THE SYSTEM GIVEN 6952 04:12:36,200 --> 04:12:37,720 THE THROUGH PUT AND THE SORT OF 6953 04:12:37,720 --> 04:12:41,800 STATISTICAL NATURE THAT WE HAVE 6954 04:12:41,800 --> 04:12:42,000 HERE. 6955 04:12:42,000 --> 04:12:42,600 THAT'S A GREAT QUESTION. 6956 04:12:42,600 --> 04:12:44,120 I THINK ANOTHER QUESTION WAS 6957 04:12:44,120 --> 04:12:46,160 JUST REGARDING THE MOLNUPIRAVIR, 6958 04:12:46,160 --> 04:12:47,720 WHETHER WE USED THE PARENT 6959 04:12:47,720 --> 04:12:49,120 MOLECULE OR THE PRO DRUG. 6960 04:12:49,120 --> 04:12:50,960 WE USED THE PARENT MOLECULE. 6961 04:12:50,960 --> 04:12:53,800 SO I THINK THERE'S ALWAYS 6962 04:12:53,800 --> 04:12:54,760 THESE -- THESE SORT OF GET AT 6963 04:12:54,760 --> 04:12:55,920 THE QUESTION OF THE INTRODUCTION 6964 04:12:55,920 --> 04:12:59,920 OF THE COMPOUND AND HOW WE MIMIC 6965 04:12:59,920 --> 04:13:01,160 IN VIVO WITH THAT, AND THE FACT 6966 04:13:01,160 --> 04:13:03,280 THAT WE HAVE TWO ORAL DRUGS AND 6967 04:13:03,280 --> 04:13:05,440 ONE INJECTABLE DRUG AND HOW DO 6968 04:13:05,440 --> 04:13:06,840 WE SORT OF MIMIC THAT. 6969 04:13:06,840 --> 04:13:09,880 SO THINK, TONY ATALA MADE A 6970 04:13:09,880 --> 04:13:11,440 GREAT COMMENT EARLIER ON IN HIS 6971 04:13:11,440 --> 04:13:12,880 TALK THAT WE'RE STILL -- THERE'S 6972 04:13:12,880 --> 04:13:14,280 STILL A LOT OF WORK TO BE DONE 6973 04:13:14,280 --> 04:13:15,160 WITH THESE SYSTEMS. 6974 04:13:15,160 --> 04:13:16,680 WE'RE MAKING A LOT OF PROGRESS 6975 04:13:16,680 --> 04:13:19,960 BUT ULTIMATELY RECAPITULATING 6976 04:13:19,960 --> 04:13:21,520 THE IN VIVO MICROENVIRONMENT AND 6977 04:13:21,520 --> 04:13:22,920 PUTTING THESE TOGETHER IS 6978 04:13:22,920 --> 04:13:24,760 CRITICAL, HAVING THESE VARIOUS 6979 04:13:24,760 --> 04:13:26,400 COMPONENTS, SO TOWARD THAT END, 6980 04:13:26,400 --> 04:13:27,760 WE'RE ADDING THE IMMUNE 6981 04:13:27,760 --> 04:13:30,360 COMPONENT INTO OUR LUNG MODEL IN 6982 04:13:30,360 --> 04:13:31,800 COLLABORATION WITH BARDA, AND 6983 04:13:31,800 --> 04:13:34,400 WE'RE ALSO ADDING SENSORS SO WE 6984 04:13:34,400 --> 04:13:36,000 CAN MONITOR THE MICROENVIRONMENT 6985 04:13:36,000 --> 04:13:37,600 AND COMPARE TO IN VIVO. 6986 04:13:37,600 --> 04:13:38,880 AS CHRISTINE WAS TALKING ABOUT 6987 04:13:38,880 --> 04:13:40,080 EARLIER, WITH SOME OF THESE 6988 04:13:40,080 --> 04:13:42,720 SECRETED FACTORS LIKE THE 6989 04:13:42,720 --> 04:13:43,640 REACTIVE OXYGEN SPECIES. 6990 04:13:43,640 --> 04:13:44,240 >> THANK YOU. 6991 04:13:44,240 --> 04:13:47,520 I HAVE A QUESTION FOR JASON, AND 6992 04:13:47,520 --> 04:13:50,600 IT HAS DO WITH GOING BACK TO 6993 04:13:50,600 --> 04:13:52,560 PRIMARY CELLS, IPS CELLS. 6994 04:13:52,560 --> 04:13:56,640 SO YOU SHOW US WHERE YOU TRY TO 6995 04:13:56,640 --> 04:13:59,680 IMMORTGAGIZE 6996 04:13:59,680 --> 04:14:01,200 IMMORTALIZE YOUR CELLS TO GET 6997 04:14:01,200 --> 04:14:03,160 BETTER REPRODUCIBILITY, AND THE 6998 04:14:03,160 --> 04:14:06,800 QUESTION IS REALLY, SHOULDN'T WE 6999 04:14:06,800 --> 04:14:10,280 ACTUALLY LEARN HOW TO HANDLE 7000 04:14:10,280 --> 04:14:11,160 VARIABILITY, ESPECIALLY FROM 7001 04:14:11,160 --> 04:14:15,080 PATIENT TO PATIENT INSTEAD OF 7002 04:14:15,080 --> 04:14:17,840 TRYING TO ENGINEER CELLS SO WE 7003 04:14:17,840 --> 04:14:19,680 GET THE TECHNICAL 7004 04:14:19,680 --> 04:14:20,080 REPRODUCIBILITY? 7005 04:14:20,080 --> 04:14:21,880 HOW DO YOU GUYS HANDLE THESE 7006 04:14:21,880 --> 04:14:23,280 KIND OF DECISIONS? 7007 04:14:23,280 --> 04:14:25,720 >> SO MY UNDERSTANDING IS KIND 7008 04:14:25,720 --> 04:14:27,120 OF LIKE -- THEY ARE JUST TOOLS. 7009 04:14:27,120 --> 04:14:30,160 FOR EXAMPLE, SOME PATIENT 7010 04:14:30,160 --> 04:14:34,360 DRUG -- AND THEN YOU FIND THE 7011 04:14:34,360 --> 04:14:36,080 SPECIFIC GENE THAT MUTATED. 7012 04:14:36,080 --> 04:14:37,840 THERE IS SPECIFIC MUTATION IN 7013 04:14:37,840 --> 04:14:38,400 ENDOTHELIAL CELLS. 7014 04:14:38,400 --> 04:14:43,400 YOU CAN ACTUALLY INDUCE THOSE 7015 04:14:43,400 --> 04:14:44,720 MUTATIONS IN THE -- CELLS AND 7016 04:14:44,720 --> 04:14:46,600 THEN YOU CAN USE THOSE AS A TOOL 7017 04:14:46,600 --> 04:14:50,440 TO STUDY FUNCTIONALLY HOW THOSE 7018 04:14:50,440 --> 04:14:53,840 MUTATIONS ACTUALLY CAUSE THOSE 7019 04:14:53,840 --> 04:14:54,680 DYSFUNCTION. 7020 04:14:54,680 --> 04:14:58,080 SO IT IS A TOOL BUT IT'S NOT 7021 04:14:58,080 --> 04:15:00,920 ALL -- IT'S NOT -- SO WE ALWAYS 7022 04:15:00,920 --> 04:15:05,280 NEED TO FIND KIND OF DIFFERENCES 7023 04:15:05,280 --> 04:15:06,840 FROM THE PATIENT AND THEN JUST 7024 04:15:06,840 --> 04:15:10,320 TO VALIDATE USING THE CELL 7025 04:15:10,320 --> 04:15:11,440 LINE -- THAT'S MY UNDERSTANDING. 7026 04:15:11,440 --> 04:15:14,920 >> SO I GUESS IT GOES BACK TO 7027 04:15:14,920 --> 04:15:15,920 THE POINT CHRISTINE WAS MAKING, 7028 04:15:15,920 --> 04:15:17,000 IT REALLY DEPENDS ON WHAT YOU 7029 04:15:17,000 --> 04:15:19,240 WOONT TO 7030 04:15:19,240 --> 04:15:20,480 WANT TO USE THE SYSTEM FOR AND 7031 04:15:20,480 --> 04:15:22,800 WHAT CELLS YOU USE, BECAUSE 7032 04:15:22,800 --> 04:15:29,280 JEFF, YOU SHOWED BEAUTIFUL -- 7033 04:15:29,280 --> 04:15:30,760 CVs IN YOUR SYSTEM AND THAT 7034 04:15:30,760 --> 04:15:32,000 WAS FROM PATIENT TO PATIENT, YOU 7035 04:15:32,000 --> 04:15:33,240 REALLY DIDN'T SEE MUCH VARIATION 7036 04:15:33,240 --> 04:15:35,600 IN TERMS OF INFECTIVITY. 7037 04:15:35,600 --> 04:15:36,720 SO -- AND THOSE WERE PRIMARY 7038 04:15:36,720 --> 04:15:39,640 CELLS, SO IT'S PRETTY AMAZING AT 7039 04:15:39,640 --> 04:15:41,520 LEAST FOR THOSE PRIMARY CELLS, 7040 04:15:41,520 --> 04:15:44,080 EPITHELIAL CELLS HOW ROBUST THE 7041 04:15:44,080 --> 04:15:49,920 SYSTEM IS, AND REALLY 7042 04:15:49,920 --> 04:15:52,080 TECHNICALLY, PHYSIOLOGICALLY, 7043 04:15:52,080 --> 04:15:53,520 YOU SEEM TO BE READY FOR PRIME 7044 04:15:53,520 --> 04:15:56,360 TIME SCREENING. 7045 04:15:56,360 --> 04:15:58,040 >> IT IS A VERY ROBUST SYSTEM. 7046 04:15:58,040 --> 04:15:59,000 I THINK SOME OF WHAT WOULD 7047 04:15:59,000 --> 04:16:01,960 REALLY BE INTERESTING AND WOULD 7048 04:16:01,960 --> 04:16:02,520 PROBABLY INTRODUCE MORE 7049 04:16:02,520 --> 04:16:03,840 VARIABILITY IS IF WE START TO 7050 04:16:03,840 --> 04:16:05,760 LOOK AT PARTICULAR COMORBIDITIES 7051 04:16:05,760 --> 04:16:08,080 THAT WE KNOW DRIVE DIFFERENT 7052 04:16:08,080 --> 04:16:08,720 DIFFERENTIAL RESPONSES. 7053 04:16:08,720 --> 04:16:12,000 SO IF WE START LOOKING AT 7054 04:16:12,000 --> 04:16:13,760 ASTHMATICS OR OTHER 7055 04:16:13,760 --> 04:16:14,840 COMORBIDITIES THAT MIGHT DRIVE 7056 04:16:14,840 --> 04:16:16,280 DIFFERENCES IN RESPONSE, THAT'S 7057 04:16:16,280 --> 04:16:17,280 WHAT WE MIGHT SEE. 7058 04:16:17,280 --> 04:16:21,200 I THINK WITH THE RESEARCH BRON 7059 04:16:21,200 --> 04:16:21,840 BRONCHOSCOPIES, A LOT OF THE 7060 04:16:21,840 --> 04:16:23,280 DONOR POPULATIONS ARE VERY 7061 04:16:23,280 --> 04:16:23,720 SIMILAR. 7062 04:16:23,720 --> 04:16:25,800 IT'S A SIMILAR PATIENT 7063 04:16:25,800 --> 04:16:27,640 POPULATION, USUALLY YOUNGER, 7064 04:16:27,640 --> 04:16:29,280 HEALTHIER PEOPLE THAT RESPOND TO 7065 04:16:29,280 --> 04:16:32,040 THE HOSPITAL SURVEYS OR REQUESTS 7066 04:16:32,040 --> 04:16:34,240 TO DONATE TISSUE WITH A 7067 04:16:34,240 --> 04:16:35,640 BRONCHOSCOPY, BUT I THINK 7068 04:16:35,640 --> 04:16:38,480 BROADENING THAT TO PATIENTS WITH 7069 04:16:38,480 --> 04:16:41,120 VARIOUS DISEASE PROFILES WOULD 7070 04:16:41,120 --> 04:16:43,640 REALLY BE INTERESTING. 7071 04:16:43,640 --> 04:16:45,600 >> THERE WAS A QUESTION IN THE 7072 04:16:45,600 --> 04:16:46,920 CHAT, I THINK CHRISTINE 7073 04:16:46,920 --> 04:16:50,160 MENTIONED THAT SHE WANTED TO 7074 04:16:50,160 --> 04:16:52,800 ANSWER IT. 7075 04:16:52,800 --> 04:16:54,880 IT WAS AN INTERESTING QUESTION 7076 04:16:54,880 --> 04:16:56,080 GOES BACK TO THE ISSUE OF 7077 04:16:56,080 --> 04:16:57,320 VARIABILITY, IN THIS CASE ARE 7078 04:16:57,320 --> 04:16:59,400 THE ECM DONOR TO DONOR. 7079 04:16:59,400 --> 04:17:01,440 SO VARIABILITY IN THE ECM FROM 7080 04:17:01,440 --> 04:17:02,120 DONOR TO DONOR. 7081 04:17:02,120 --> 04:17:03,440 WE'RE NOT TALKING ABOUT CELLS 7082 04:17:03,440 --> 04:17:07,800 HERE, WE'RE TALKING ABOUT ECM. 7083 04:17:07,800 --> 04:17:11,200 AND I GUESS I DIDN'T SEE LINDA, 7084 04:17:11,200 --> 04:17:12,400 I DON'T THINK SHE WAS ABLE TO 7085 04:17:12,400 --> 04:17:15,000 MAKE IT NOW, BUT HOW THAT KIND 7086 04:17:15,000 --> 04:17:15,200 OF -- 7087 04:17:15,200 --> 04:17:17,880 >> I PRESSED THE WRONG BUTTON 7088 04:17:17,880 --> 04:17:18,400 ACTUALLY. 7089 04:17:18,400 --> 04:17:19,720 I'M QUITE HAPPY TO GIVE A GO. 7090 04:17:19,720 --> 04:17:23,120 BUT IT'S REALLY FOR -- NOT FOR 7091 04:17:23,120 --> 04:17:25,520 ME, IT'S MORE FOR ANTHONY. 7092 04:17:25,520 --> 04:17:27,800 THERE ISN'T THAT MUCH 7093 04:17:27,800 --> 04:17:29,680 VARIABILITY FROM DONOR TO DONOR 7094 04:17:29,680 --> 04:17:30,880 IN THE EXTRACELLULAR MATRIX, AND 7095 04:17:30,880 --> 04:17:32,840 IT'S NOT REALLY LOGICAL IT WOULD 7096 04:17:32,840 --> 04:17:37,440 BE HUGE, BECAUSE A NORMAL ORGAN 7097 04:17:37,440 --> 04:17:38,200 HAS TO FUNCTION. 7098 04:17:38,200 --> 04:17:40,480 OFTEN IF AN ORGAN IS FIBROTIC, 7099 04:17:40,480 --> 04:17:42,800 IT WILL VARY FROM DONOR TO DONOR 7100 04:17:42,800 --> 04:17:46,600 AND IT'S, OF COURSE, QUITE HARD 7101 04:17:46,600 --> 04:17:51,200 TO SEE HOW GUY FIBROTIC IT IS. 7102 04:17:51,200 --> 04:17:52,720 IT WOULD DEPEND ON THE AGE OF 7103 04:17:52,720 --> 04:17:54,800 THE DONOR AND THINGS LIKE THAT. 7104 04:17:54,800 --> 04:17:55,560 >> TONY? 7105 04:17:55,560 --> 04:17:57,640 >> THANK YOU, MARC, AND THANK 7106 04:17:57,640 --> 04:17:58,000 YOU, CHRISTINE. 7107 04:17:58,000 --> 04:17:59,080 SO BASICALLY, THE IMPORTANT 7108 04:17:59,080 --> 04:18:01,800 THING, OFTEN, IS ORGAN-SPECIFIC 7109 04:18:01,800 --> 04:18:02,280 ECM, RIGHT? 7110 04:18:02,280 --> 04:18:03,680 BECAUSE ECM FROM THE LIVER IS 7111 04:18:03,680 --> 04:18:05,560 NOT GOING TO BE THE SAME AS THE 7112 04:18:05,560 --> 04:18:08,040 EYM FROM THE LUNG. 7113 04:18:08,040 --> 04:18:08,720 CM FROM THE LUNG. 7114 04:18:08,720 --> 04:18:10,040 ONCE YOU GET DOWN TO THAT LEVEL, 7115 04:18:10,040 --> 04:18:14,080 THE WAY WE DO IT IS WE TAKE THE 7116 04:18:14,080 --> 04:18:18,480 ORGAN, WE USE -- TO WASH -- AT 7117 04:18:18,480 --> 04:18:19,960 WAY, WE'RE LEFT JUST WITH THE 7118 04:18:19,960 --> 04:18:21,400 EXTRACELLULAR MATRIX, WE MAKE 7119 04:18:21,400 --> 04:18:23,080 THE MATRIX INTO A POWDER AND WE 7120 04:18:23,080 --> 04:18:24,480 THEN RECONSTITUTE THAT POWDER TO 7121 04:18:24,480 --> 04:18:30,480 CREATE THE STRUCTURE AND THEN WE 7122 04:18:30,480 --> 04:18:32,600 MATCH THE STIFFNESS TO THE 7123 04:18:32,600 --> 04:18:33,800 NORMAL STIFFNESS THE ORGAN WOULD 7124 04:18:33,800 --> 04:18:34,080 HAVE. 7125 04:18:34,080 --> 04:18:35,760 AGAIN JUST AS A WAY TO MAKE SURE 7126 04:18:35,760 --> 04:18:37,040 WE REPLICATE AS MANY OF THE 7127 04:18:37,040 --> 04:18:39,240 PROPERTY AS POSSIBLE IN THAT 7128 04:18:39,240 --> 04:18:40,320 ORGANOID SYSTEM AS YOU WOULD SEE 7129 04:18:40,320 --> 04:18:42,720 IN A NORMAL HUMAN TISSUE AND 7130 04:18:42,720 --> 04:18:43,920 ORGAN. 7131 04:18:43,920 --> 04:18:44,840 BECAUSE EVERYTHING PLAYS A ROLE. 7132 04:18:44,840 --> 04:18:49,440 AND THERE IS NO VAST VARIABILITY 7133 04:18:49,440 --> 04:18:50,280 BETWEEN PATIENTS BECAUSE AS YOU 7134 04:18:50,280 --> 04:18:53,560 KNOW, IT DOESN'T HAVE ANY IMMUNE 7135 04:18:53,560 --> 04:18:55,000 PROPERTIES, IT'S JUST THE ECM, 7136 04:18:55,000 --> 04:18:59,920 WHICH IS MAINLY COLLAGEN, MOSTLY 7137 04:18:59,920 --> 04:19:03,320 TYPE I COLLAGEN, ALSO TYPE 2, 7138 04:19:03,320 --> 04:19:07,440 TYPE 3, SOME LAMININ. 7139 04:19:07,440 --> 04:19:09,640 BUT IT VARIES FROM ORGAN TO 7140 04:19:09,640 --> 04:19:10,000 ORGAN. 7141 04:19:10,000 --> 04:19:10,840 >> I THINK THE POINT IS THE 7142 04:19:10,840 --> 04:19:12,280 BATCH TO BATCH VARIABILITY. 7143 04:19:12,280 --> 04:19:14,040 SO IF YOU TAKE ONE LIVER, IS 7144 04:19:14,040 --> 04:19:14,800 THIS -- THE BATCH THE SAME AS 7145 04:19:14,800 --> 04:19:15,640 THE OTHER LIVER. 7146 04:19:15,640 --> 04:19:18,960 WE KNOW WITH MATRIGEL, IT IS 7147 04:19:18,960 --> 04:19:20,160 BATCH TO BATCH VARIABILITY EVEN 7148 04:19:20,160 --> 04:19:21,080 THOUGH THEY'RE MADE IN THE SAME 7149 04:19:21,080 --> 04:19:23,960 WAY. 7150 04:19:23,960 --> 04:19:25,320 SO I THINK THIS IS THE QUESTION, 7151 04:19:25,320 --> 04:19:27,160 OF COURSE YOU GET HUGE BATCHES 7152 04:19:27,160 --> 04:19:32,840 FROM A HUMAN LIVER, BUT DO YOU 7153 04:19:32,840 --> 04:19:34,560 SEE BATCH TO BATCH DIFFERENCES? 7154 04:19:34,560 --> 04:19:36,560 >> YOU DO GET THIS HUGE AMOUNT, 7155 04:19:36,560 --> 04:19:37,840 OF COURSE, OF THE ECM THAT 7156 04:19:37,840 --> 04:19:39,600 ALLOWS YOU TO REALLY -- TEST 7157 04:19:39,600 --> 04:19:41,920 REALLY MILLIONS OF THESE 7158 04:19:41,920 --> 04:19:43,880 ORGANOIDS. 7159 04:19:43,880 --> 04:19:49,040 WITH THE SAME MATRIX. 7160 04:19:49,040 --> 04:19:50,120 >> I'M GOING TO GIVE AN 7161 04:19:50,120 --> 04:19:51,040 OPPORTUNITY TO THE PANELISTS 7162 04:19:51,040 --> 04:19:55,160 THAT ARE NOT THE SPEAKERS TO ASK 7163 04:19:55,160 --> 04:20:01,720 ANY QUESTIONS, IF THEY HAVE ANY? 7164 04:20:01,720 --> 04:20:03,760 SARINE, SIMON, JONI, ANY 7165 04:20:03,760 --> 04:20:11,160 PRESSING QUESTIONS? 7166 04:20:11,160 --> 04:20:13,000 >> I GUESS I'D JUST LIKE TO 7167 04:20:13,000 --> 04:20:15,800 QUICKLY GO BACK TO THE QUESTION 7168 04:20:15,800 --> 04:20:22,720 ABOUT VARIABILITY OF DIMERS. 7169 04:20:22,720 --> 04:20:24,960 IN TERMS OF SCALE, ECM, YOU 7170 04:20:24,960 --> 04:20:26,080 MATCH THE BATCH AND BE ABLE TO 7171 04:20:26,080 --> 04:20:28,280 USE THAT, BUT I THINK AT THE 7172 04:20:28,280 --> 04:20:30,160 MOMENT, EVERYBODY IS SAYING WHAT 7173 04:20:30,160 --> 04:20:33,000 THEY WANT TO USE FRESH TISSUE, 7174 04:20:33,000 --> 04:20:36,280 FRESH PRIMARY TISSUE FROM 7175 04:20:36,280 --> 04:20:37,720 PATIENTS, BUT HOW DO WE MOVE 7176 04:20:37,720 --> 04:20:39,440 AWAY FROM THAT INTO A SYSTEM 7177 04:20:39,440 --> 04:20:42,840 WHERE ANYBODY CAN ACCESS A 7178 04:20:42,840 --> 04:20:43,960 CERTAIN LOT AND DO THE SAME 7179 04:20:43,960 --> 04:20:45,120 EXPERIMENT, NO MATTER WHERE THEY 7180 04:20:45,120 --> 04:20:47,200 ARE ON THE PLANET, AND THEN 7181 04:20:47,200 --> 04:20:49,840 WHERE THEY ARE IN TIME FROM THE 7182 04:20:49,840 --> 04:20:51,600 DATE THAT THOSE CELLS WERE 7183 04:20:51,600 --> 04:20:54,840 TAKEN. 7184 04:20:54,840 --> 04:20:56,080 AND I DON'T THINK WE'VE GOT 7185 04:20:56,080 --> 04:20:56,640 THERE YET. 7186 04:20:56,640 --> 04:21:02,320 I'VE TALKED ABOUT PLURIPOTENTIAL 7187 04:21:02,320 --> 04:21:03,840 STEM CELLS AND ALL I'VE HEARD IS 7188 04:21:03,840 --> 04:21:05,600 THAT'S PROBLEMATIC, BUT HOW DO 7189 04:21:05,600 --> 04:21:08,880 WE MOVE FORWARD FROM THIS 7190 04:21:08,880 --> 04:21:09,880 SITUATION? 7191 04:21:09,880 --> 04:21:10,920 >> SIMON, THAT'S A GREAT 7192 04:21:10,920 --> 04:21:12,040 QUESTION. 7193 04:21:12,040 --> 04:21:15,560 THAT'S THE BILLION DOLLAR 7194 04:21:15,560 --> 04:21:16,400 QUESTION. 7195 04:21:16,400 --> 04:21:17,400 BECAUSE THAT'S WHAT WE WERE 7196 04:21:17,400 --> 04:21:17,840 FACING. 7197 04:21:17,840 --> 04:21:19,040 THAT LAST SLIDE THAT I SHOWED 7198 04:21:19,040 --> 04:21:20,680 WHICH WAS BASICALLY THE 7199 04:21:20,680 --> 04:21:21,000 VARIABILITY. 7200 04:21:21,000 --> 04:21:25,920 THAT'S THE CHALLENGE. 7201 04:21:25,920 --> 04:21:27,360 I ALWAYS LIKE TO SAY, YOU KNOW, 7202 04:21:27,360 --> 04:21:29,640 HOW IS IT POSSIBLE THAT WE COULD 7203 04:21:29,640 --> 04:21:33,360 DETECT THAT TOXICITY FROM THOSE 7204 04:21:33,360 --> 04:21:36,440 DRUGS SO READILY IN OUR SYSTEM 7205 04:21:36,440 --> 04:21:40,280 WHEN IT WAS NOT POSSIBLE IN THE 7206 04:21:40,280 --> 04:21:41,400 2D MODELS, IT WAS NOT POSSIBLE 7207 04:21:41,400 --> 04:21:43,520 IN THE ANIMALS, IT WAS NOT 7208 04:21:43,520 --> 04:21:44,800 POSSIBLE IN THE HUMAN CLINICAL 7209 04:21:44,800 --> 04:21:46,040 TRIALS AND THEN 11 YEARS LATER, 7210 04:21:46,040 --> 04:21:48,760 YOU GET THIS -- YOU FINALLY FIND 7211 04:21:48,760 --> 04:21:50,560 OUT THIS DRUG IS CAUSING 7212 04:21:50,560 --> 04:21:51,960 PROBLEMS, OR THREE YEARS LATER, 7213 04:21:51,960 --> 04:21:55,120 AND SO I THINK THERE'S A LITTLE 7214 04:21:55,120 --> 04:21:56,200 BUILT OF A -- LET ME DISCUSS 7215 04:21:56,200 --> 04:22:00,160 THIS BALL ABC A LITTLE Y 7216 04:22:00,160 --> 04:22:01,480 THEORY ON THIS IS THAT, YOU 7217 04:22:01,480 --> 04:22:05,280 KNOW, WHEN WE ARE LOOKING AT THE 7218 04:22:05,280 --> 04:22:07,480 ACTUAL DRUG TO THE ORGAN, WE ARE 7219 04:22:07,480 --> 04:22:08,920 REALLY GETTING RID OF ALL THE 7220 04:22:08,920 --> 04:22:09,360 NOISE. 7221 04:22:09,360 --> 04:22:11,320 WE'RE GETTING RID -- I SHOULD 7222 04:22:11,320 --> 04:22:12,480 SAY I SHOULD BE MORE SPECIFIC, 7223 04:22:12,480 --> 04:22:15,800 WE'RE GETTING RID OF A LOT OF 7224 04:22:15,800 --> 04:22:18,440 THE NOISE, BECAUSE WHAT HAPPENS 7225 04:22:18,440 --> 04:22:21,160 IN THE HUMAN IS WE ALL 7226 04:22:21,160 --> 04:22:21,960 METABOLIZE DRUGS DIFFERENTLY, 7227 04:22:21,960 --> 04:22:24,560 WE'RE ALL GENETICALLY DIFFERENT, 7228 04:22:24,560 --> 04:22:25,560 ALL EPIGENETICALLY DIFFERENT, WE 7229 04:22:25,560 --> 04:22:27,200 HAVE DIFFERENT DIETS, WE PROCESS 7230 04:22:27,200 --> 04:22:28,920 OUR FOODS DIFFERENT, WE HAVE 7231 04:22:28,920 --> 04:22:29,800 DIFFERENT METABOLISM RATES, AND 7232 04:22:29,800 --> 04:22:33,960 ALL THESE FACTORS GO INTO THAT 7233 04:22:33,960 --> 04:22:34,440 RESPONSE. 7234 04:22:34,440 --> 04:22:35,760 THAT IS WHY IT TOOK 11 YEARS FOR 7235 04:22:35,760 --> 04:22:37,040 THERE TO BE ENOUGH CASES WHERE 7236 04:22:37,040 --> 04:22:38,560 PEOPLE COULD CONNECT THE DOTS 7237 04:22:38,560 --> 04:22:40,000 AND SAY THIS DRUG IS CAUSING 7238 04:22:40,000 --> 04:22:41,480 HEART BLOCK, AND YET YOU PUT 7239 04:22:41,480 --> 04:22:43,280 INTO THE SYSTEM AND THERE IT IS, 7240 04:22:43,280 --> 04:22:43,880 RIGHT? 7241 04:22:43,880 --> 04:22:46,280 IT'S LIKE NINE DAY, THERE IT IS. 7242 04:22:46,280 --> 04:22:48,760 AND I THINK SO THERE ARE 7243 04:22:48,760 --> 04:22:50,880 ADVANTAGES TO GETTING RID OF ALL 7244 04:22:50,880 --> 04:22:52,840 THE NOISE BECAUSE YOU'RE REALLY 7245 04:22:52,840 --> 04:22:54,160 LOOKING AT THE EFFECT OF THE 7246 04:22:54,160 --> 04:22:56,960 DRUG AGAINST THE TISSUE AND THE 7247 04:22:56,960 --> 04:22:58,360 ORGAN AND YOU'RE GETTING RID OF 7248 04:22:58,360 --> 04:22:59,600 A LOT OF THE NOISE. 7249 04:22:59,600 --> 04:23:00,360 ON THE OTHER HAND, THERE ARE 7250 04:23:00,360 --> 04:23:01,240 MANY SITUATIONS WHERE YOU WANT 7251 04:23:01,240 --> 04:23:03,440 TO PUT THAT NOISE BACK IN, 7252 04:23:03,440 --> 04:23:03,760 RIGHT? 7253 04:23:03,760 --> 04:23:05,720 YOU WANT TO PUT THAT NOISE BACK 7254 04:23:05,720 --> 04:23:07,040 IN, LIKE THE PERSONALIZED 7255 04:23:07,040 --> 04:23:08,040 MEDICINE APPROACH LIKE THE 7256 04:23:08,040 --> 04:23:10,320 TUMORS THAT WE'RE TALKING ABOUT. 7257 04:23:10,320 --> 04:23:12,280 BECAUSE EACH TUMOR IS DIFFERENT, 7258 04:23:12,280 --> 04:23:14,040 IT'S GOING TO HAVE DIFFERENT 7259 04:23:14,040 --> 04:23:14,680 EPIGENETIC CHANGES AND WE'RE 7260 04:23:14,680 --> 04:23:15,760 GOING TO TAKE THAT TUMOR FROM 7261 04:23:15,760 --> 04:23:16,680 THAT PATIENT, WE'RE GOING TO 7262 04:23:16,680 --> 04:23:20,160 TEST THAT TUMOR AGAINST SPECIFIC 7263 04:23:20,160 --> 04:23:21,720 CHEMOTHERAPY, YOU'RE IDENTIFYING 7264 04:23:21,720 --> 04:23:23,240 THAT TUMOR WITH THEIR OWN 7265 04:23:23,240 --> 04:23:24,520 GENETIC AND EPIGENETIC CHANGES 7266 04:23:24,520 --> 04:23:25,760 AND YOU REALLY WANT THAT DATA IN 7267 04:23:25,760 --> 04:23:26,600 TERMS OF WHAT IT DOES. 7268 04:23:26,600 --> 04:23:32,520 SO I THINK WE HAVE TO MINIMIZE 7269 04:23:32,520 --> 04:23:33,520 BATCH TO BATCH VARIABILITY, WE 7270 04:23:33,520 --> 04:23:37,440 HAVE TO WORK ON BETTER AND MORE 7271 04:23:37,440 --> 04:23:39,520 RELIABLE CELL SOURCES, WE HAVE 7272 04:23:39,520 --> 04:23:41,400 TO WORK ON STANDARDIZATION OF 7273 04:23:41,400 --> 04:23:43,360 THE SYSTEMS, BUT ALSO TO KEEP IN 7274 04:23:43,360 --> 04:23:46,480 MIND WHAT THE ACTUAL END POINT 7275 04:23:46,480 --> 04:23:48,680 IS OF WHAT YOU'RE LOOKING FOR. 7276 04:23:48,680 --> 04:23:52,200 >> IF I COULD JUST JUMP IN 7277 04:23:52,200 --> 04:23:56,400 THERE, THE INTERNATIONAL -- STEM 7278 04:23:56,400 --> 04:23:57,480 CELL RESEARCH IS WORKING EXACTLY 7279 04:23:57,480 --> 04:24:00,080 ON THAT ISSUE, SO WORKING ON 7280 04:24:00,080 --> 04:24:02,280 STANDARDIZATION DOCUMENTS, HOW 7281 04:24:02,280 --> 04:24:04,240 TO STANDARDIZE STEM CELLS. 7282 04:24:04,240 --> 04:24:06,120 AND IT WAS ADULT STEM CELLS AND 7283 04:24:06,120 --> 04:24:07,800 IPS CELLS AND EMBRYONIC STEM 7284 04:24:07,800 --> 04:24:08,520 CELLS. 7285 04:24:08,520 --> 04:24:10,800 WHAT YOU NEED TO MONITOR IN 7286 04:24:10,800 --> 04:24:14,640 TERMS OF GENETIC DRIFT, 7287 04:24:14,640 --> 04:24:16,000 PROPERTIES, ALL THE KINDS OF 7288 04:24:16,000 --> 04:24:18,040 THINGS THAT PEOPLE HAVE TROUBLE 7289 04:24:18,040 --> 04:24:20,320 WITH, WHAT DO YOU HAVE TO DEFINE 7290 04:24:20,320 --> 04:24:23,080 TO ALLOW THE FIELD TO BE ABLE TO 7291 04:24:23,080 --> 04:24:24,800 DO THINGS REPRODUCIBLY FROM LAB 7292 04:24:24,800 --> 04:24:27,440 TO LAB, PERSON TO PERSON. 7293 04:24:27,440 --> 04:24:29,600 I THINK WE'RE GETTING THERE, 7294 04:24:29,600 --> 04:24:30,600 PARTICULARLY WITH COMMERCIAL 7295 04:24:30,600 --> 04:24:34,200 COMPANIES PRODUCING REAGENTS IN 7296 04:24:34,200 --> 04:24:38,400 LARGE SCALE GOING FROM GROWTH 7297 04:24:38,400 --> 04:24:42,000 FACTORS TO -- MOLECULAR BASED 7298 04:24:42,000 --> 04:24:43,160 CULTURE METHODS, THINGS LIKE 7299 04:24:43,160 --> 04:24:43,400 THAT. 7300 04:24:43,400 --> 04:24:45,040 SO IT IS GETTING THERE. 7301 04:24:45,040 --> 04:24:49,720 BUT WE WILL HAVE A CONSENSUS 7302 04:24:49,720 --> 04:24:50,520 STATEMENT DOCUMENT BEFORE THE 7303 04:24:50,520 --> 04:24:51,840 END OF THE YEAR DEFINING WHAT 7304 04:24:51,840 --> 04:24:55,320 YOU NEED TO SAY ABOUT THOSE STEM 7305 04:24:55,320 --> 04:24:56,320 CELLS. 7306 04:24:56,320 --> 04:24:59,920 AND I AGREE THAT OF COURSE THERE 7307 04:24:59,920 --> 04:25:02,440 ARE A LOT OF DIET ISSUES AND 7308 04:25:02,440 --> 04:25:03,400 LIFESTYLE ISSUES THAT IMPACT 7309 04:25:03,400 --> 04:25:05,280 CELLS, BUT AT LEAST I THINK WITH 7310 04:25:05,280 --> 04:25:07,680 SOME OF THE STEM CELL MODELS, WE 7311 04:25:07,680 --> 04:25:09,960 CAN ADDRESS THE GENETIC ISSUE, 7312 04:25:09,960 --> 04:25:11,520 PERHAPS EVEN THE EPIGENETIC 7313 04:25:11,520 --> 04:25:12,800 ISSUES AND AT LEAST GET THAT 7314 04:25:12,800 --> 04:25:13,240 STANDARD. 7315 04:25:13,240 --> 04:25:15,360 AND PARTICULARLY ADDRESS 7316 04:25:15,360 --> 04:25:17,640 VARIANTS OF UNKNOWN 7317 04:25:17,640 --> 04:25:18,720 SIGNIFICANCE, SMALL MACULAR 7318 04:25:18,720 --> 04:25:22,560 CHANGES IN THE GENOME THAT ARE 7319 04:25:22,560 --> 04:25:23,640 CAUSING PERSON TO PERSON 7320 04:25:23,640 --> 04:25:24,440 VARIABILITY. 7321 04:25:24,440 --> 04:25:28,680 BEST CASE SCENARIO, DRUGS WORK 7322 04:25:28,680 --> 04:25:31,200 NOW IN 1 IN 4 PATIENTS, THE TOP 7323 04:25:31,200 --> 04:25:33,720 10 PRESCRIBED DRUGS IN THE U.S. 7324 04:25:33,720 --> 04:25:36,600 AND THE WORST CASE, IN THOSE 10 7325 04:25:36,600 --> 04:25:40,160 TOP PRESCRIBED DRUGS, THERE ARE 7326 04:25:40,160 --> 04:25:41,040 1 IN 25 PATIENTS RESPONDING AS 7327 04:25:41,040 --> 04:25:41,760 EXPECTED. 7328 04:25:41,760 --> 04:25:42,680 THAT'S TERRIBLE. 7329 04:25:42,680 --> 04:25:44,320 THAT'S AN ENORMOUS WASTE OF 7330 04:25:44,320 --> 04:25:44,640 RESOURCES. 7331 04:25:44,640 --> 04:25:50,360 SO THERE'S A LOT OF GAIN TO BE 7332 04:25:50,360 --> 04:25:52,000 HAD, EVEN IDENTIFYING NOT JUST 7333 04:25:52,000 --> 04:25:54,040 FOR TUMORS BUT WHO'S GOING TO 7334 04:25:54,040 --> 04:25:56,240 RESPOND TO EVEN A RELATIVELY 7335 04:25:56,240 --> 04:25:59,640 EXPENSIVE DRUG, IF IT'S A DRUG 7336 04:25:59,640 --> 04:26:01,400 USED BY MILLIONS OF PEOPLE. 7337 04:26:01,400 --> 04:26:05,200 >> TECHNICALLY WE SHOULD END 7338 04:26:05,200 --> 04:26:07,320 NOW, BUT IF THE SPEAKERS ARE 7339 04:26:07,320 --> 04:26:09,160 WILLING TO STAY A LITTLE LONGER, 7340 04:26:09,160 --> 04:26:11,240 THERE'S JUST A COUPLE OF 7341 04:26:11,240 --> 04:26:12,960 QUESTIONS THAT HAVE COME UP AND 7342 04:26:12,960 --> 04:26:15,480 SOME OF THEM ARE RELATED TO THIS 7343 04:26:15,480 --> 04:26:19,880 DISCUSSION IN TERMS OF 7344 04:26:19,880 --> 04:26:21,200 STANDARDIZATION OF MPSs AND 7345 04:26:21,200 --> 04:26:22,720 WHAT DO WE MEAN BY 7346 04:26:22,720 --> 04:26:23,200 STANDARDIZATION. 7347 04:26:23,200 --> 04:26:26,640 WE'VE TALKED ABOUT VALIDATING 7348 04:26:26,640 --> 04:26:27,960 THE TISSUES ABOUT ALL THE OMICS 7349 04:26:27,960 --> 04:26:30,600 TO MAKE SURE THEY LOOK LIKE 7350 04:26:30,600 --> 04:26:31,800 NATIVE, THAT'S A HALLMARK IN 7351 04:26:31,800 --> 04:26:32,120 ITSELF. 7352 04:26:32,120 --> 04:26:35,680 BUT THEN WE'RE TALKING PLIEK LIY 7353 04:26:35,680 --> 04:26:37,440 WAS SAYING ABOUT REMOVING THE 7354 04:26:37,440 --> 04:26:39,080 NOISE MAYBE TISSUE BY TISSUE, 7355 04:26:39,080 --> 04:26:41,800 LOOKING AT TOXIC EFFECTS, 7356 04:26:41,800 --> 04:26:44,080 LOOKING AT EFFICACY, MAYBE 7357 04:26:44,080 --> 04:26:45,200 HAVING ANOTHER LEVEL WHERE YOU 7358 04:26:45,200 --> 04:26:48,360 ACTUALLY LOOK AT MAYBE 7359 04:26:48,360 --> 04:26:50,440 METABOLISM IN A PARTICULAR DRUG. 7360 04:26:50,440 --> 04:26:56,240 SO THE QUESTION IS, IS THERE 7361 04:26:56,240 --> 04:26:59,200 GOING TO BE A STANDARDIZED MODEL 7362 04:26:59,200 --> 04:27:00,640 WHICH POTENTIALLY DECREASES 7363 04:27:00,640 --> 04:27:01,480 VARIATION AMONG DIFFERENT 7364 04:27:01,480 --> 04:27:02,600 MODELS? I DON'T KNOW WHO WANTS 7365 04:27:02,600 --> 04:27:04,280 TO TAKE THESE QUESTIONS. 7366 04:27:04,280 --> 04:27:06,080 THE WAY I SEE THE FIELD GOING IS 7367 04:27:06,080 --> 04:27:08,840 WE HAVE MANY DIFFERENT 7368 04:27:08,840 --> 04:27:09,440 TECHNOLOGIES. 7369 04:27:09,440 --> 04:27:12,200 A LOT OF IT BECAUSE HAVE BEEN 7370 04:27:12,200 --> 04:27:13,640 MENTIONED IS REALLY DEPENDING -- 7371 04:27:13,640 --> 04:27:15,280 IT'S A FIT-FOR-PURPOSE, 7372 04:27:15,280 --> 04:27:17,560 DEPENDING ON WHAT APPLICATION 7373 04:27:17,560 --> 04:27:21,280 YOU'RE LOOKING FOR, SO MAYBE I'M 7374 04:27:21,280 --> 04:27:23,920 WRONG, I DON'T SEE ONE 7375 04:27:23,920 --> 04:27:27,000 STANDARDIZED MPS MODEL, BUT 7376 04:27:27,000 --> 04:27:28,200 TONY, YOU UNMUTED YOURSELF. 7377 04:27:28,200 --> 04:27:29,320 YOU WANT TO TAKE THIS ON? 7378 04:27:29,320 --> 04:27:31,000 >> ACTUALLY, I JUST UNMUTED JUST 7379 04:27:31,000 --> 04:27:32,560 IN CASE I WAS READY, BUT I'LL BE 7380 04:27:32,560 --> 04:27:38,680 HAPPY TO GO FIRST. 7381 04:27:38,680 --> 04:27:41,280 I THINK WHAT WE REALLY NEED DO 7382 04:27:41,280 --> 04:27:42,640 IS START LOOKING AT THE FUTURE 7383 04:27:42,640 --> 04:27:46,440 OF THE FIELD IN TERMS OF CELL 7384 04:27:46,440 --> 04:27:48,080 SOURCING AND CELL 7385 04:27:48,080 --> 04:27:49,280 STANDARDIZATION AND THE GENETIC 7386 04:27:49,280 --> 04:27:50,720 COMPONENTS OF THE CELLS. 7387 04:27:50,720 --> 04:27:51,800 THAT'S REALLY WHAT WE NEED TO 7388 04:27:51,800 --> 04:27:52,120 DO. 7389 04:27:52,120 --> 04:27:53,560 WE NEED TO START BUILDING BANKS. 7390 04:27:53,560 --> 04:27:58,160 AS YOU KNOW, IT ABSOLUTELY NO 7391 04:27:58,160 --> 04:27:58,920 DIFFERENT WHEN WE'RE TALKING 7392 04:27:58,920 --> 04:28:00,120 ABOUT A STEM CELL BANK. 7393 04:28:00,120 --> 04:28:02,200 BASICALLY IT'S NOT LIKE WE'RE 7394 04:28:02,200 --> 04:28:03,960 RE-EXPLORING THE FIELD BECAUSE 7395 04:28:03,960 --> 04:28:06,880 WE KNOW THAT IF WE HAVE A UNIQUE 7396 04:28:06,880 --> 04:28:13,320 SET OF ABOUT 7,000 STEM CELL 7397 04:28:13,320 --> 04:28:14,760 POPULATIONS, THAT WOULD PROVIDE 7398 04:28:14,760 --> 04:28:16,400 OVER 90% OF CELL POPULATION WITH 7399 04:28:16,400 --> 04:28:18,480 A PERFECT GENETIC MATCH, SO 7400 04:28:18,480 --> 04:28:21,760 THERE ARE WAYS TO DO THIS, BUT 7401 04:28:21,760 --> 04:28:22,880 THEY HAVE TO BE UNIQUE. 7402 04:28:22,880 --> 04:28:24,360 ALL THIS HAS BEEN WORKED OUT FOR 7403 04:28:24,360 --> 04:28:25,800 THE CELL BANKING INDUSTRY, 7404 04:28:25,800 --> 04:28:27,240 RIGHT, FOR THE STEM CELL 7405 04:28:27,240 --> 04:28:27,480 BANKING. 7406 04:28:27,480 --> 04:28:28,760 YOU LOOK AT BONE MARROW BANKING 7407 04:28:28,760 --> 04:28:32,680 AND YOU LOOK AT CORE BLOOD 7408 04:28:32,680 --> 04:28:34,120 BANKING, WHAT IS THAT MAGIC 7409 04:28:34,120 --> 04:28:37,720 NUMBER THAT GIVES YOU THAT 7410 04:28:37,720 --> 04:28:38,160 GENETIC VARIABILITY. 7411 04:28:38,160 --> 04:28:40,240 SO THE MAIN THING REALLY IS TO 7412 04:28:40,240 --> 04:28:43,960 ACTUALLY START ESTABLISHING SUCH 7413 04:28:43,960 --> 04:28:45,800 A BANK THAT WILL GIVE US THIS 7414 04:28:45,800 --> 04:28:46,600 GENETIC VARIABLE SO WE CAN THEN 7415 04:28:46,600 --> 04:28:47,600 START TO PICK OUT THE THINGS 7416 04:28:47,600 --> 04:28:51,840 THAT WE WANT TO LOOK AT FROM 7417 04:28:51,840 --> 04:28:52,320 THESE BANKS. 7418 04:28:52,320 --> 04:28:53,520 THEN WE HAVE THIS RESOURCE 7419 04:28:53,520 --> 04:28:57,880 THAT'S AVAILABLE TO EVERYBODY, 7420 04:28:57,880 --> 04:29:00,480 AND IT WOULD BE NICE DO IT WITH 7421 04:29:00,480 --> 04:29:03,960 CELLS WHICH ARE ALREADY, YOU 7422 04:29:03,960 --> 04:29:07,800 KNOW, MORE IN A DIFFERENTIATED 7423 04:29:07,800 --> 04:29:08,880 PATHWAY REALLY. 7424 04:29:08,880 --> 04:29:10,000 THE CHALLENGE AS YOU KNOW IS 7425 04:29:10,000 --> 04:29:13,960 GETTING TO THAT DERMAL 7426 04:29:13,960 --> 04:29:14,400 DIFFERENTIATION. 7427 04:29:14,400 --> 04:29:15,360 MANY TIMES YOU CAN ONLY DO THAT 7428 04:29:15,360 --> 04:29:17,000 WITH A PRIMARY HUMAN CELL. 7429 04:29:17,000 --> 04:29:18,320 I KNOW IT'S HARDER TO DO, BUT IF 7430 04:29:18,320 --> 04:29:20,480 YOU DON'T START NOW, THEN WE'RE 7431 04:29:20,480 --> 04:29:22,280 GOING TO BE LOOKING AT THE SAME 7432 04:29:22,280 --> 04:29:23,120 PROBLEM 20 YEARS FROM NOW. 7433 04:29:23,120 --> 04:29:25,520 SO WE MIGHT AS WELL BITE THE 7434 04:29:25,520 --> 04:29:26,720 BULLET, REALIZE WHAT WE NEED TO 7435 04:29:26,720 --> 04:29:32,120 DO, AND JUST GO AFTER IT. 7436 04:29:32,120 --> 04:29:32,960 >> AWESOME. 7437 04:29:32,960 --> 04:29:35,160 ANYBODY ELSE HAVE ANY COMMENTS? 7438 04:29:35,160 --> 04:29:38,560 >> THERE'S ALSO ENGINEERING 7439 04:29:38,560 --> 04:29:39,320 SOURCES OF VARIABILITY THAT I 7440 04:29:39,320 --> 04:29:40,960 THINK WE NEED TO ADDRESS, AND 7441 04:29:40,960 --> 04:29:42,200 ONE OF THE CHALLENGES, I THINK, 7442 04:29:42,200 --> 04:29:44,080 IN THE ORGAN ON A CHIP FIELD HAS 7443 04:29:44,080 --> 04:29:46,000 BEEN THAT IT'S SOMETIMES VIEWED 7444 04:29:46,000 --> 04:29:49,680 AS SYNONYMOUS WITH THESE KIND OF 7445 04:29:49,680 --> 04:29:51,040 USB STICK KIND OF IMAGE, WHICH 7446 04:29:51,040 --> 04:29:53,440 IS REALLY KIND OF A SMALL SCALE, 7447 04:29:53,440 --> 04:29:55,240 IT'S VERY POWERFUL IN TERMS OF 7448 04:29:55,240 --> 04:29:56,480 THE FIDELITY OF SOME OF THESE 7449 04:29:56,480 --> 04:29:56,840 MODELS. 7450 04:29:56,840 --> 04:29:58,560 YOU CAN DO A LOT OF COMPLEX SORT 7451 04:29:58,560 --> 04:30:01,320 OF ENGINEERING IN THESE SYSTEMS, 7452 04:30:01,320 --> 04:30:03,360 BUT IT DOES REPRESENT A 7453 04:30:03,360 --> 04:30:07,560 LIMITATION RELATIVE TO THE GOLD 7454 04:30:07,560 --> 04:30:09,720 STANDARD HIGH THROUGHPUT MICRO 7455 04:30:09,720 --> 04:30:10,400 TITER PLATES THAT THE INDUSTRY 7456 04:30:10,400 --> 04:30:11,480 IS USED TO WORKING WITH. 7457 04:30:11,480 --> 04:30:13,200 WE WANT TO ELIMINATE THOSE 7458 04:30:13,200 --> 04:30:16,480 SOURCES OF ENGINEERING 7459 04:30:16,480 --> 04:30:17,280 VARIABILITY BATCH TO BATCH, 7460 04:30:17,280 --> 04:30:19,240 PLATE TO PLATE, PROVIDE THE 7461 04:30:19,240 --> 04:30:20,120 THROUGHPUT PROFESSOR GRIFFITH 7462 04:30:20,120 --> 04:30:26,080 TALKED EARLIER ABOUT THE ISSUES 7463 04:30:26,080 --> 04:30:27,760 WITH DRUG GET AWAY FROM 7464 04:30:27,760 --> 04:30:29,720 MATERIALS THAT CAUSE THESE 7465 04:30:29,720 --> 04:30:31,080 PROBLEMS, IMPLENTY SENSORS SO WE 7466 04:30:31,080 --> 04:30:32,480 KNOW WHAT'S GOING ON IN THESE 7467 04:30:32,480 --> 04:30:33,040 SYSTEMS. 7468 04:30:33,040 --> 04:30:33,760 THAT'S WITH THE ENGINEERING CAN 7469 04:30:33,760 --> 04:30:35,320 COME IN AND HELP ADDRESS SOME OF 7470 04:30:35,320 --> 04:30:36,400 THOSE PROBLEMS SO WE AREN'T 7471 04:30:36,400 --> 04:30:38,200 DEALING WITH THOSE ISSUES AS 7472 04:30:38,200 --> 04:30:39,840 WELL AS THE NATURAL BIOLOGIC 7473 04:30:39,840 --> 04:30:41,000 VARIATION. 7474 04:30:41,000 --> 04:30:42,440 >> THAT'S A GOOD POINT. 7475 04:30:42,440 --> 04:30:43,760 I THINK THE OTHER ASPECT OF HOW 7476 04:30:43,760 --> 04:30:48,760 YOU GET THESE TECHNOLOGIES 7477 04:30:48,760 --> 04:30:52,240 ARE -- SO THAT BUYOLOGIST CAN 7478 04:30:52,240 --> 04:30:54,040 USE IT AS WELL. 7479 04:30:54,040 --> 04:30:55,440 I THINK CHRISTINE HAS TO LEAVE. 7480 04:30:55,440 --> 04:30:57,200 THANK YOU SO MUCH, CHRISTINE. 7481 04:30:57,200 --> 04:30:58,280 THANKS SO MUCH FOR 7482 04:30:58,280 --> 04:30:58,720 PARTICIPATING. 7483 04:30:58,720 --> 04:30:59,480 IT'S BEEN GREAT. 7484 04:30:59,480 --> 04:31:03,680 SO THE QUESTION OF COMONETIZING 7485 04:31:03,680 --> 04:31:05,160 THE TECHNOLOGY AND GETTING TO 7486 04:31:05,160 --> 04:31:07,360 NOT ONLY THE BIOENGINEERING LABS 7487 04:31:07,360 --> 04:31:09,680 BUT BIOLOGY LABS SO THEY CAN USE 7488 04:31:09,680 --> 04:31:14,560 IT AT A REASONABLE COST. 7489 04:31:14,560 --> 04:31:17,880 SO THESE TECHNOLOGIES ARE VERY 7490 04:31:17,880 --> 04:31:18,160 EXPENSIVE. 7491 04:31:18,160 --> 04:31:19,160 SOMETIMES THAT'S A LIMITATION, 7492 04:31:19,160 --> 04:31:22,120 IF A BIOLOGY LAB WANTS TO USE 7493 04:31:22,120 --> 04:31:23,360 ONE OF THESE -- CHIPS AND THEY 7494 04:31:23,360 --> 04:31:29,200 CAN ONLY AFFORD LIKE ONE OR TWO 7495 04:31:29,200 --> 04:31:30,320 CHIPS, THERE'S SO MUCH BIOLOGY 7496 04:31:30,320 --> 04:31:34,920 YOU CAN DO. 7497 04:31:34,920 --> 04:31:36,480 I THINK THEY'RE GOING TO KICK US 7498 04:31:36,480 --> 04:31:37,400 OUT OF THE ROOM. 7499 04:31:37,400 --> 04:31:43,200 I JUST GOT A NOTE TBR FROM AB. 7500 04:31:43,200 --> 04:31:44,120 SO SARINE, I THINK WE'RE GOING 7501 04:31:44,120 --> 04:31:44,680 TO CLOSE HERE. 7502 04:31:44,680 --> 04:31:45,880 I KNOW THERE'S A FEW MORE 7503 04:31:45,880 --> 04:31:47,200 QUESTIONS IN THE CHAT, BUT -- 7504 04:31:47,200 --> 04:31:48,320 >> YEAH, NO WORRIES. 7505 04:31:48,320 --> 04:31:49,680 >> I THINK WE ARE -- 7506 04:31:49,680 --> 04:31:50,360 >> THANK YOU. 7507 04:31:50,360 --> 04:31:53,600 THANK YOU SO MUCH, MARC, AND 7508 04:31:53,600 --> 04:31:55,160 THANK YOU, ALL THE SPEAKERS. 7509 04:31:55,160 --> 04:31:59,240 THIS WAS AN AMAZING SESSION, AND 7510 04:31:59,240 --> 04:32:01,160 THE DISCUSSION WAS JUST AMAZING. 7511 04:32:01,160 --> 04:32:02,600 I JUST COULDN'T -- I DON'T WANT 7512 04:32:02,600 --> 04:32:04,880 TO STOP IT, BUT WE ALL HAVE TO 7513 04:32:04,880 --> 04:32:08,920 GO. 7514 04:32:08,920 --> 04:32:09,680 SO AGAIN, MANY THANKS. 7515 04:32:09,680 --> 04:32:11,800 I KNOW THERE'S MANY QUESTIONS 7516 04:32:11,800 --> 04:32:12,320 LEFT. 7517 04:32:12,320 --> 04:32:13,880 WE TRIED TO ANSWER AS MANY 7518 04:32:13,880 --> 04:32:16,480 QUESTIONS AS POSSIBLE. 7519 04:32:16,480 --> 04:32:18,320 IF YOU SEE A QUESTION THAT YOU 7520 04:32:18,320 --> 04:32:20,880 CAN ANSWER BRIEFLY BY TYPING, GO 7521 04:32:20,880 --> 04:32:23,360 AHEAD AND DO SO. 7522 04:32:23,360 --> 04:32:24,560 APOLOGIES FOR THE PEOPLE THAT WE 7523 04:32:24,560 --> 04:32:25,800 COULDN'T ANSWER ALL THE 7524 04:32:25,800 --> 04:32:26,800 QUESTIONS, BUT I'M SO GLAD THAT 7525 04:32:26,800 --> 04:32:28,080 YOU ASKED THE QUESTIONS. 7526 04:32:28,080 --> 04:32:31,160 I HOPE YOU ENJOYED THE 7527 04:32:31,160 --> 04:32:31,680 DISCUSSION. 7528 04:32:31,680 --> 04:32:32,800 SO THANK YOU AGAIN. 7529 04:32:32,800 --> 04:32:39,120 BEFORE I WRAP TODAY'S SESSION, I 7530 04:32:39,120 --> 04:32:41,720 WOULD LIKE TO SAY THAT WE HAVE 7531 04:32:41,720 --> 04:32:47,000 TWO AWESOME SESSIONS TOMORROW, 7532 04:32:47,000 --> 04:32:48,880 AND WE WILL RECONVENE TOMORROW 7533 04:32:48,880 --> 04:32:51,720 AT 11:00 A.M., SO HOPEFULLY YOU 7534 04:32:51,720 --> 04:32:53,480 ENJOYED TODAY, YOU LEARNED A 7535 04:32:53,480 --> 04:32:55,640 LOT, AND I WILL SHARE HERE THE 7536 04:32:55,640 --> 04:32:59,000 AGENDA FOR TOMORROW QUICKLY. 7537 04:32:59,000 --> 04:33:00,400 FOR FOLKS TO KNOW WHAT'S COMING 7538 04:33:00,400 --> 04:33:06,000 TOMORROW. 7539 04:33:06,000 --> 04:33:08,640 OKAY. 7540 04:33:08,640 --> 04:33:10,360 SO TOMORROW WE WILL START AT 7541 04:33:10,360 --> 04:33:12,760 11:00, AND WE WILL HAVE THE 7542 04:33:12,760 --> 04:33:13,760 SECOND SESSION WHICH IS GOING TO 7543 04:33:13,760 --> 04:33:17,800 BE ON UTILITY OF THE EXISTING 3D 7544 04:33:17,800 --> 04:33:22,080 TISSUE MODELS FOR ANTIVIRAL DRUG 7545 04:33:22,080 --> 04:33:22,360 DEVELOPMENT. 7546 04:33:22,360 --> 04:33:24,120 AND THEN WE WILL HAVE A THIRD 7547 04:33:24,120 --> 04:33:25,360 SESSION, SESSION 3, IT WILL BE 7548 04:33:25,360 --> 04:33:27,400 ON USE OF ROBUST AND 7549 04:33:27,400 --> 04:33:28,840 REPRODUCIBLE 3D TISSUE MODELS 7550 04:33:28,840 --> 04:33:30,280 FROM DRUG DISCOVERY THROUGH 7551 04:33:30,280 --> 04:33:32,800 DEVELOPMENT, AND WE WILL WRAP UP 7552 04:33:32,800 --> 04:33:35,080 TOMORROW WITH A FINAL SESSION, 7553 04:33:35,080 --> 04:33:37,920 SESSION 4, CLOSING SESSION THAT 7554 04:33:37,920 --> 04:33:38,920 WE'LL DISCUSS SUMMARY OF 7555 04:33:38,920 --> 04:33:40,200 DISCUSSIONS AND PERSPECTIVES ON 7556 04:33:40,200 --> 04:33:43,280 THE CHALLENGES AHEAD. 7557 04:33:43,280 --> 04:33:45,680 SO AGAIN, HOPEFULLY YOU ENJOYED 7558 04:33:45,680 --> 04:33:45,920 TODAY. 7559 04:33:45,920 --> 04:33:47,480 THANK YOU FOR ALL THE SPEAKERS. 7560 04:33:47,480 --> 04:33:50,640 THIS WAS AMAZING. 7561 04:33:50,640 --> 04:33:52,120 WE WILL HOPEFULLY SEE YOU ALL 7562 04:33:52,120 --> 04:33:53,240 TOMORROW AT 11:00. 7563 04:33:53,240 --> 04:33:54,000 MANY THANKS AGAIN. 7564 04:33:54,000 --> 04:33:57,080 HAVE A WONDERFUL -- 7565 04:33:57,080 --> 04:33:59,800 >> THANK YOU, TONY, JASON, LINDA 7566 04:33:59,800 --> 04:34:01,560 AND CHRISTINE, GREAT TALKS AND 7567 04:34:01,560 --> 04:34:02,200 GREAT DISCUSSION. 7568 04:34:02,200 --> 00:00:00,000 APPRECIATE IT.