{"id":10469,"date":"2022-03-01T09:24:18","date_gmt":"2022-03-01T08:24:18","guid":{"rendered":"https:\/\/ggba.swiss\/le-chuv-teste-des-vaccins-uniques-pour-chaque-cancer-et-chaque-patient\/"},"modified":"2023-07-04T13:43:52","modified_gmt":"2023-07-04T11:43:52","slug":"le-chuv-teste-des-vaccins-uniques-pour-chaque-cancer-et-chaque-patient","status":"publish","type":"post","link":"https:\/\/ggba.swiss\/fr\/le-chuv-teste-des-vaccins-uniques-pour-chaque-cancer-et-chaque-patient\/","title":{"rendered":"Le CHUV teste des vaccins uniques pour chaque cancer et chaque patient"},"content":{"rendered":"\n<p>Occupant 180 personnes, le <a href=\"https:\/\/www.chuv.ch\/fr\/oncologie\/onc-home\/professionnels-de-la-sante\/centre-des-therapies-experimentales\" target=\"_blank\" rel=\"noopener\">Centre de th\u00e9rapie exp\u00e9rimentale du CHUV<\/a> a pour objectif soutenir l&rsquo;\u00e9laboration de th\u00e9rapies innovantes. Aujourd\u2019hui, le Centre va d\u00e9buter deux essais cliniques contre les cancers du poumon et du pancr\u00e9as, et un troisi\u00e8me contre les cancers ovariens plus tard dans l\u2019ann\u00e9e.<\/p>\n<p>Ces derni\u00e8res ann\u00e9es,\u00a0les immunoth\u00e9rapies se sont beaucoup d\u00e9velopp\u00e9es en tant que nouvelles formes de traitement contre les cancers. Leur principale fonction est de stimuler les r\u00e9ponses immunitaires contre les tumeurs, en particulier contre les mutations qui s\u2019accumulent dans les cellules tumorales. Mais ces mutations sont extr\u00eamement sp\u00e9cifiques et varient entre chaque patient.<\/p>\n<p>Gr\u00e2ce \u00e0 des outils de s\u00e9quen\u00e7age avanc\u00e9, l\u2019\u00e9quipe du CHUV peut d\u00e9velopper des vaccins compl\u00e8tement personnalis\u00e9s pour entra\u00eener les cellules tueuses du syst\u00e8me immunitaire \u00e0 attaquer les tumeurs en ciblant les mutations personnelles, unique \u00e0 chaque patient.<\/p>\n<p>Cette d\u00e9marche bouleverse les m\u00e9thodes couramment employ\u00e9es, car ces traitements ne sont pas d\u00e9velopp\u00e9s par des entreprises pharmaceutiques, mais par le CHUV lui-m\u00eame dans un laboratoire situ\u00e9 dans la branche lausannoise de l\u2019<a href=\"https:\/\/www.ludwigcancerresearch.org\/\" target=\"_blank\" rel=\"noopener\">Institut Ludwig<\/a>.<\/p>\n<h4>Des technologies de s\u00e9quen\u00e7age et des algorithmes pour un vaccin personnalis\u00e9<\/h4>\n<p>Les vaccins anti-cancers ont pour objectif de cr\u00e9er et d&rsquo;amplifier les r\u00e9ponses des cellules T (des globules blancs tueurs), les cellules canc\u00e9reuses d\u00e9veloppant divers m\u00e9canismes pour se rendre invisibles au syst\u00e8me immunitaire.<\/p>\n<p>Avec la disponibilit\u00e9 du s\u00e9quen\u00e7age de nouvelle g\u00e9n\u00e9ration et le d\u00e9veloppement d\u2019algorithmes bioinformatiques, les chercheurs disposent d\u00e9sormais d\u2019outils pour identifier et s\u00e9lectionner les nombreuses prot\u00e9ines g\u00e9n\u00e9r\u00e9es par les mutations des cancers \u00e0 la surface des cellules.<\/p>\n<p>Ces prot\u00e9ines sont autant de cibles potentielles pour des cellules T qui ont appris \u00e0 les reconna\u00eetre avec un vaccin. De plus, la plupart des cibles d\u00e9riv\u00e9es de mutations sont sp\u00e9cifiques non seulement \u00e0 un type de cancer, mais aussi \u00e0 un patient. Baptis\u00e9s n\u00e9o-antig\u00e8nes, ces cibles ultra sp\u00e9cifiques sont celles vis\u00e9es par les vaccins d\u00e9velopp\u00e9s au <a href=\"https:\/\/www.chuv.ch\/fr\/chuv-home\" target=\"_blank\" rel=\"noopener\">CHUV<\/a>.<\/p>\n<p>A la suite d\u2019une biopsie des cellules tumorales du patient, le s\u00e9quen\u00e7age et les algorithmes pourront pr\u00e9dire les n\u00e9o-antig\u00e8nes qui d\u00e9clencheront la meilleure r\u00e9ponse immunitaire.<\/p>\n<p>Toutefois, la personnalisation des vaccins implique de fabriquer chaque cellule dendritique et chaque m\u00e9lange peptidique pour chaque patient. Pour les produire, le CHUV s&rsquo;est dot\u00e9 d&rsquo;une salle blanche mise aux normes de l&rsquo;industrie afin de produire \u00e0 haut d\u00e9bit des vaccins cellulaires personnalis\u00e9s et aussi, dor\u00e9navant, des peptides personnalis\u00e9s. Un investissement de CHF 18 millions de francs.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Deux essais cliniques sur des vaccins anti-cancers viennent de d\u00e9marrer au CHUV. Leurs natures r\u00e9volutionnaires pourraient bouleverser la recherche oncologique.<\/p>\n","protected":false},"author":3,"featured_media":10470,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"mc4wp_mailchimp_campaign":[],"footnotes":""},"categories":[843],"tags":[1020,1065,1068],"class_list":["post-10469","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sciences-de-la-vie","tag-bioinformatics-fr","tag-oncology-fr","tag-personalized-medicine-fr"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Le CHUV teste des vaccins uniques pour chaque cancer et chaque patient - Greater Geneva Bern area<\/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:\/\/ggba.swiss\/fr\/le-chuv-teste-des-vaccins-uniques-pour-chaque-cancer-et-chaque-patient\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Le CHUV teste des vaccins uniques pour chaque cancer et chaque patient - Greater Geneva Bern area\" \/>\n<meta property=\"og:description\" content=\"Deux essais cliniques sur des vaccins anti-cancers viennent de d\u00e9marrer au CHUV. 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