{"id":8095,"date":"2019-10-06T16:21:32","date_gmt":"2023-09-13T07:44:11","guid":{"rendered":"https:\/\/dev.interpharma.animalwelfare.bertastrasse1.ch\/sujets\/de-lelevage-au-laboratoire-le-bien-etre-animal-est-au-premier-plan-2-2\/1-introduciton-9-3\/"},"modified":"2023-09-14T15:02:54","modified_gmt":"2023-09-14T15:02:54","slug":"3-trente-ans-de-recherche-sur-larnm","status":"publish","type":"page","link":"https:\/\/dev.interpharma.animalwelfare.bertastrasse1.ch\/fr\/sujets\/developpement-de-vaccins-et-de-tests-pour-le-sars-cov-2\/3-trente-ans-de-recherche-sur-larnm\/","title":{"rendered":"3. Trente ans de recherche sur l\u2019ARNm"},"content":{"rendered":"\n<p>Les vaccins \u00e0 ARN messager ont \u00e9t\u00e9 d\u00e9couverts et perfectionn\u00e9sau cours des trente derni\u00e8res ann\u00e9es. Ces vaccins introduisentde l\u2019ARN de synth\u00e8se dans les cellules du corps humain.Il sert de plan aux cellules pour fabriquer des prot\u00e9ines quid\u00e9clenchent une r\u00e9action de d\u00e9fense contre le virus. L\u2019ARN quitransporte dans les cellules l\u2019information pour la fabrication deprot\u00e9ines est appel\u00e9 ARN messager, en abr\u00e9g\u00e9 ARNm. La scientifiquehongroise Katalin Kariko a \u00e9t\u00e9 la premi\u00e8re \u00e0 d\u00e9velopperdes th\u00e9rapies \u00e0 base d\u2019ARNm au d\u00e9but des ann\u00e9es 1990. Apr\u00e8sdes d\u00e9buts difficiles \u00e0 la recherche de financements de sestravaux, elle r\u00e9ussit, avec son coll\u00e8gue Drew Weissman aux\u00c9tats-Unis, \u00e0 d\u00e9couvrir une r\u00e9ponse immunitaire qui fonctionnegr\u00e2ce \u00e0 l\u2019ARNm de synth\u00e8se.<\/p>\n\n\n\n<p>Apr\u00e8s sa carri\u00e8re universitaire, Katalin Kariko poursuivit ses recherches chez BioNTech. En fait, son \u00e9quipe se concentrait sur le d\u00e9veloppement de vaccins contre le cancer. Il s\u2019agissait de fabriquer pour les patients des ARNm sp\u00e9cifiques \u00e0 chaque cancer. Mais d\u00e8s le d\u00e9but de la pand\u00e9mie, BioNTech et sa partenaire Pfizer se concentr\u00e8rent sur le d\u00e9veloppement d\u2019un vaccin contre le SARS-CoV-2. Au lieu de tout d\u00e9velopper \u00e0 partir de z\u00e9ro, BioNTech se mit \u00e0 la recherche de la s\u00e9quence d\u2019ARNm correcte pour la production d\u2019une prot\u00e9ine d\u00e9clenchant une r\u00e9action immunitaire contre le virus.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les vaccins \u00e0 ARN messager ont \u00e9t\u00e9 d\u00e9couverts et perfectionn\u00e9sau cours des trente derni\u00e8res ann\u00e9es. Ces vaccins introduisentde l\u2019ARN de synth\u00e8se dans les cellules du corps humain.Il sert de plan aux cellules pour fabriquer des prot\u00e9ines quid\u00e9clenchent une r\u00e9action de d\u00e9fense contre le virus. L\u2019ARN quitransporte dans les cellules l\u2019information pour la fabrication deprot\u00e9ines est [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":8066,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"page-templates\/themen-under-seite.php","meta":{"footnotes":""},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>3. 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