{"id":8174,"date":"2021-12-10T12:05:51","date_gmt":"2021-12-10T12:05:51","guid":{"rendered":"https:\/\/cnls.sn\/?post_type=nos_actualites&amp;p=8174"},"modified":"2021-12-10T12:05:51","modified_gmt":"2021-12-10T12:05:51","slug":"sida-premiers-resultats-prometteurs-pour-un-vaccin-a-arn-messager","status":"publish","type":"post","link":"https:\/\/cnls.sn\/?p=8174","title":{"rendered":"Sida : Premiers r\u00e9sultats \u00ab prometteurs \u00bb pour un vaccin \u00e0 ARN messager"},"content":{"rendered":"<h2 style=\"text-align: justify;\"><span style=\"color: #000000;\">Un vaccin contre le sida utilisant la technologie de l\u2019ARN messager (la m\u00eame que certains vaccins contre le Covid 19), a montr\u00e9 des premiers r\u00e9sultats prometteurs chez les animaux, ont annonc\u00e9 des chercheurs am\u00e9ricains, jeudi 09 D\u00e9cembre 2021.<\/span><\/h2>\n<h2 style=\"text-align: justify;\"><span style=\"color: #000000;\">Administr\u00e9 \u00e0 des macaques,\u00a0\u00a0le vaccin s\u2019est r\u00e9v\u00e9l\u00e9 s\u00fbr et le risque d\u2019infection par exposition a \u00e9t\u00e9 diminu\u00e9 de 79\u00a0%. Il r\u00e9clame toutefois des am\u00e9liorations avant de pouvoir \u00eatre test\u00e9 sur les humains.<\/span><\/h2>\n<h2 style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>Des effets secondaires mod\u00e9r\u00e9s<\/strong><\/span><\/h2>\n<h2 style=\"text-align: justify;\"><span style=\"color: #000000;\">\u00ab\u00a0Malgr\u00e9 quasiment quatre d\u00e9cennies d\u2019efforts de la communaut\u00e9 scientifique mondiale, un vaccin efficace\u00a0 pour pr\u00e9venir le VIH\u00a0reste un objectif insaisissable\u00a0\u00bb, a d\u00e9clar\u00e9 dans un communiqu\u00e9 l\u2019immunologue Anthony Fauci, coauteur de l\u2019\u00e9tude et par ailleurs conseiller de la Maison Blanche sur la crise sanitaire. \u00ab\u00a0Ce vaccin exp\u00e9rimental \u00e0 ARN messager combine plusieurs caract\u00e9ristiques qui pourraient surmonter les d\u00e9faillances d\u2019autres vaccins exp\u00e9rimentaux contre le VIH, et repr\u00e9sente ainsi une approche prometteuse\u00a0\u00bb, a ajout\u00e9 le directeur de l\u2019Institut national des allergies et maladies infectieuses (NIAD) am\u00e9ricain.<\/span><\/h2>\n<h2 style=\"text-align: justify;\"><span style=\"color: #000000;\">Des scientifiques de cet institut ont men\u00e9 ces travaux en collaboration notamment avec des chercheurs de Moderna, l\u2019entreprise am\u00e9ricaine \u00e0 l\u2019origine de l\u2019un des vaccins les plus utilis\u00e9s contre le Covid-19. L\u2019\u00e9tude a \u00e9t\u00e9 publi\u00e9e jeudi dans la prestigieuse revue\u00a0<em>Nature<\/em>. Le vaccin a d\u2019abord \u00e9t\u00e9 test\u00e9 sur des souris, puis sur des macaques rh\u00e9sus. Ceux-ci ont re\u00e7u de multiples doses de rappel sur une p\u00e9riode d\u2019un an. Malgr\u00e9 de hautes doses d\u2019ARN messager, le produit a \u00e9t\u00e9 bien tol\u00e9r\u00e9, provoquant des effets secondaires mod\u00e9r\u00e9s, comme la perte temporaire d\u2019app\u00e9tit. A la 58e semaine, tous les macaques avaient d\u00e9velopp\u00e9 des niveaux d\u2019anticorps d\u00e9tectables.<\/span><\/h2>\n<h3 style=\"text-align: justify;\"><span style=\"color: #000000;\">www.lesoir.be<\/span><\/h3>\n","protected":false},"excerpt":{"rendered":"<p>Un vaccin contre le sida utilisant la technologie de l\u2019ARN messager (la m\u00eame que certains vaccins contre le Covid 19), a montr\u00e9 des premiers r\u00e9sultats prometteurs chez les animaux, ont annonc\u00e9 des chercheurs am\u00e9ricains, jeudi 09 D\u00e9cembre 2021. Administr\u00e9 \u00e0 des macaques,\u00a0\u00a0le vaccin s\u2019est r\u00e9v\u00e9l\u00e9 s\u00fbr et le risque d\u2019infection par exposition a \u00e9t\u00e9 diminu\u00e9[&#8230;]\n","protected":false},"author":16,"featured_media":8175,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[5,24],"tags":[],"class_list":["post-8174","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualite","category-national"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Sida : Premiers r\u00e9sultats \u00ab prometteurs \u00bb pour un vaccin \u00e0 ARN messager - CNLS<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cnls.sn\/?p=8174\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sida : Premiers r\u00e9sultats \u00ab prometteurs \u00bb pour un vaccin \u00e0 ARN messager - CNLS\" \/>\n<meta property=\"og:description\" content=\"Un vaccin contre le sida utilisant la technologie de l\u2019ARN messager (la m\u00eame que certains vaccins contre le Covid 19), a montr\u00e9 des premiers r\u00e9sultats prometteurs chez les animaux, ont annonc\u00e9 des chercheurs am\u00e9ricains, jeudi 09 D\u00e9cembre 2021. 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