{"id":345603,"date":"2020-04-13T14:48:46","date_gmt":"2020-04-13T11:48:46","guid":{"rendered":"https:\/\/kinsta.unitedwithisrael.org\/?p=345603"},"modified":"2021-04-26T14:35:41","modified_gmt":"2021-04-26T11:35:41","slug":"israel-invente-un-test-de-depistage-du-coronavirus-10-fois-plus-rapide","status":"publish","type":"post","link":"https:\/\/kinsta.unitedwithisrael.org\/fr\/israel-invente-un-test-de-depistage-du-coronavirus-10-fois-plus-rapide\/","title":{"rendered":"Isra\u00ebl invente un test de d\u00e9pistage du Coronavirus 10 fois plus rapide"},"content":{"rendered":"

Un groupe de 15 chercheurs de l’Universit\u00e9 h\u00e9bra\u00efque a d\u00e9couvert une nouvelle m\u00e9thode de d\u00e9tection du coronavirus qui, esp\u00e8rent-ils, r\u00e9duira les co\u00fbts et augmentera la vitesse des tests.<\/strong><\/em><\/p>\n

Par Yakir Benzion, Unis avec Isra\u00ebl<\/em><\/p>\n

Des chercheurs de l’Universit\u00e9 h\u00e9bra\u00efque de J\u00e9rusalem ont mis au point une nouvelle m\u00e9thode de d\u00e9pistage du coronavirus qui promet de d\u00e9boucher sur des r\u00e9sultats de test plus rapides \u00e0 un prix inf\u00e9rieur, a annonc\u00e9 lundi l’universit\u00e9.<\/p>\n

Les pays du monde qui luttent pour devancer les infections au COVID-19 ont \u00e9t\u00e9 confront\u00e9s \u00e0 un probl\u00e8me majeur dans la mesure o\u00f9 le d\u00e9pistage du virus d\u00e9pend de produits chimiques rares et les r\u00e9sultats des tests eux-m\u00eames peuvent prendre plusieurs jours \u00e0 produire. La p\u00e9nurie ralentit le taux de d\u00e9pistage et augmente le taux d’infection, car des milliers de patients qui ne sont pas encore diagnostiqu\u00e9s, ainsi que ceux qui ont \u00e9t\u00e9 test\u00e9s mais qui attendent les r\u00e9sultats, continuent de marcher, infectant sans le savoir tant des personnes en bonne sant\u00e9 que des populations \u00e0 risque.<\/p>\n

L’\u00e9quipe, dirig\u00e9e par le professeur Nir Friedman de l’Institut des sciences de la vie et de l’\u00e9cole d’ing\u00e9nierie et d’informatique, et le professeur Naomi Habib du Edmond and Lily Safra Center for Brain Science ont d\u00e9velopp\u00e9 un moyen plus rapide et moins cher de tester le coronavirus \u00e0 l’aide de mat\u00e9riaux pr\u00e9sents en larges quantit\u00e9s dans les laboratoires de diagnostic.<\/p>\n

Friedman et Habib extraient \u00e9galement des mol\u00e9cules d’ARN de l’\u00e9chantillondu patient pour voir si elles contiennent de l’ARN viral, qui confirmerait la pr\u00e9sence du virus COVID-19, mais d\u00e9sormais, ils ont d\u00e9velopp\u00e9 une m\u00e9thode beaucoup plus rapide.<\/p>\n

\u00ab\u00a0Le protocole de d\u00e9tection de virus que nous avons d\u00e9velopp\u00e9 est quatre \u00e0 dix fois plus rapide que le protocole actuel<\/em>\u00ab\u00a0, explique Habib. \u00ab\u00a0Il est bas\u00e9 sur des billes magn\u00e9tiques et fonctionne \u00e0 la fois de mani\u00e8re robotique et manuelle. Le protocole robotique a d\u00e9j\u00e0 \u00e9t\u00e9 test\u00e9 \u00e0 l’h\u00f4pital Hadassah et est d\u00e9sormais pleinement op\u00e9rationnel.<\/em>\u00a0\u00bb<\/p>\n

Au lieu de r\u00e9actifs chimiques co\u00fbteux – substances ou compos\u00e9s ajout\u00e9s \u00e0 un syst\u00e8me pour provoquer une r\u00e9action chimique – le test repose sur des mat\u00e9riaux plus courants qui sont facilement disponibles et faciles \u00e0 fabriquer localement, ce qui rend le nouveau test nettement moins cher.<\/p>\n

Les billes magn\u00e9tiques sont le seul \u00e9l\u00e9ment du protocole qui doit encore \u00eatre import\u00e9 de l’\u00e9tranger. Cependant, ces perles peuvent \u00eatre recycl\u00e9es et utilis\u00e9es \u00e0 plusieurs reprises.<\/p>\n

\u00ab\u00a0Notre test COVID-19 r\u00e9duit consid\u00e9rablement la d\u00e9pendance des laboratoires aux facteurs externes. \u00c0 ce jour, nous avons test\u00e9 des centaines d’\u00e9chantillons cliniques de l’h\u00f4pital Hadassah, et nos r\u00e9sultats \u00e9taient identiques \u00e0 ceux trouv\u00e9s par les kits actuellement utilis\u00e9s<\/em>\u00ab\u00a0, a d\u00e9clar\u00e9 Friedman.<\/p>\n

La prochaine \u00e9tape du processus de d\u00e9veloppement consiste \u00e0 trouver une m\u00e9thode permettant de tester simultan\u00e9ment des dizaines de milliers d’\u00e9chantillons au lieu du taux actuel de milliers de tests. Les chercheurs fondent cela sur le s\u00e9quen\u00e7age g\u00e9nomique, et les r\u00e9sultats jusqu’\u00e0 pr\u00e9sent sont prometteurs. \u00ab\u00a0Nous sommes encourag\u00e9s par des indications pr\u00e9liminaires – et positives – quant au fait que cette m\u00e9thode fonctionnera<\/em>\u00ab\u00a0, a d\u00e9clar\u00e9 Friedman.<\/p>\n

Les deux professeurs ont recrut\u00e9 une \u00e9quipe de 15 chercheurs et \u00e9tudiants en laboratoire, et ils avancent.<\/p>\n

\u00ab\u00a0C’est tr\u00e8s \u00e9mouvant de voir un grand groupe de chercheurs si d\u00e9vou\u00e9s \u00e0 trouver une solution \u00e0 notre crise actuelle, une solution qui ram\u00e8nera Isra\u00ebl et, esp\u00e9rons-le, le reste du monde \u00e0 la normale<\/em>\u00ab\u00a0, a d\u00e9clar\u00e9 Habib.<\/p>\n

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Un groupe de 15 chercheurs de l’Universit\u00e9 h\u00e9bra\u00efque a d\u00e9couvert une nouvelle m\u00e9thode de d\u00e9tection du coronavirus qui, esp\u00e8rent-ils, r\u00e9duira les co\u00fbts et augmentera la vitesse des tests. Par Yakir Benzion, Unis avec Isra\u00ebl Des chercheurs de l’Universit\u00e9 h\u00e9bra\u00efque de J\u00e9rusalem ont mis au point une nouvelle m\u00e9thode de d\u00e9pistage du coronavirus qui promet de… Read more »<\/a><\/p>\n","protected":false},"author":4242,"featured_media":338124,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[41155,28414],"tags":[30152,37426,37961,37424,34248,29313,37865],"class_list":["post-345603","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-combat-disrael-contre-le-covid-19","category-influence-israelienne","tag-chercheurs","tag-coronavirus-fr","tag-depistage","tag-epidemie","tag-innovation-fr","tag-recherche","tag-tests"],"better_featured_image":{"id":338124,"alt_text":"","caption":"Shutterstock","description":"","media_type":"image","media_details":{"width":2560,"height":1707,"file":"2020\/03\/shutterstock_1644424099-scaled.jpg","sizes":{"medium":{"file":"shutterstock_1644424099-300x200.jpg","width":300,"height":200,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/03\/shutterstock_1644424099-300x200.jpg"},"large":{"file":"shutterstock_1644424099-1024x683.jpg","width":1024,"height":683,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/03\/shutterstock_1644424099-1024x683.jpg"},"thumbnail":{"file":"shutterstock_1644424099-150x150.jpg","width":150,"height":150,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/03\/shutterstock_1644424099-150x150.jpg"},"medium_large":{"file":"shutterstock_1644424099-768x512.jpg","width":768,"height":512,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/03\/shutterstock_1644424099-768x512.jpg"},"1536x1536":{"file":"shutterstock_1644424099-1536x1024.jpg","width":1536,"height":1024,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/03\/shutterstock_1644424099-1536x1024.jpg"},"2048x2048":{"file":"shutterstock_1644424099-2048x1366.jpg","width":2048,"height":1366,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/03\/shutterstock_1644424099-2048x1366.jpg"},"uwi-full-width":{"file":"shutterstock_1644424099-780x520.jpg","width":780,"height":520,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/03\/shutterstock_1644424099-780x520.jpg"},"uwi-featured-carousel":{"file":"shutterstock_1644424099-890x400.jpg","width":890,"height":400,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/03\/shutterstock_1644424099-890x400.jpg"},"uwi-featured-content":{"file":"shutterstock_1644424099-290x160.jpg","width":290,"height":160,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/03\/shutterstock_1644424099-290x160.jpg"},"uwi-content-loop":{"file":"shutterstock_1644424099-190x190.jpg","width":190,"height":190,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/03\/shutterstock_1644424099-190x190.jpg"},"uwi-category_list":{"file":"shutterstock_1644424099-180x100.jpg","width":180,"height":100,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/03\/shutterstock_1644424099-180x100.jpg"},"uwi-tiny":{"file":"shutterstock_1644424099-40x40.jpg","width":40,"height":40,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/03\/shutterstock_1644424099-40x40.jpg"},"uwi-email-featured":{"file":"shutterstock_1644424099-250x170.jpg","width":250,"height":170,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/03\/shutterstock_1644424099-250x170.jpg"},"uwi-email":{"file":"shutterstock_1644424099-200x140.jpg","width":200,"height":140,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/03\/shutterstock_1644424099-200x140.jpg"},"uwi-iphone":{"file":"shutterstock_1644424099-960x640.jpg","width":960,"height":640,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/03\/shutterstock_1644424099-960x640.jpg"},"uwi-iphone-x2":{"file":"shutterstock_1644424099-1136x640.jpg","width":1136,"height":640,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/03\/shutterstock_1644424099-1136x640.jpg"},"uwi-ipad":{"file":"shutterstock_1644424099-1024x768.jpg","width":1024,"height":768,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/03\/shutterstock_1644424099-1024x768.jpg"},"uwi-ipad-x2":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