{"id":24058,"date":"2024-01-06T12:00:00","date_gmt":"2024-01-06T12:00:00","guid":{"rendered":"https:\/\/www.africa-press.net\/benin\/?p=24058"},"modified":"2024-01-05T23:28:42","modified_gmt":"2024-01-05T23:28:42","slug":"les-attaques-toujours-plus-ciblees-de-limmunotherapie","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/benin\/toutes-les-actualites\/les-attaques-toujours-plus-ciblees-de-limmunotherapie","title":{"rendered":"Les Attaques Toujours Plus Cible\u0301es de L&rsquo;immunothe\u0301rapie"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong>Africa-Press &#8211; Benin. <\/strong><\/span>Cet article est issu du magazine Les Indispensables de Sciences et Avenir n\u00b0216 date\u0301 janvier\/ mars 2024.<\/p>\n<p>Alors qu&rsquo;elles devraient e\u0302tre attaque\u0301es et e\u0301limine\u0301es par le syste\u0300me immunitaire, comme toute cellule anormale, les cellules cance\u0301reuses sont capables de faire en sorte qu&rsquo;il les tole\u0300re, ce qui leur permet de prolife\u0301rer et de former des tumeurs. Stimuler le syste\u0300me immunitaire pour lui redonner son ro\u0302le de de\u0301fenseur de l&rsquo;organisme: tel est l&rsquo;objectif de l&rsquo;immunothe\u0301rapie, dont l&rsquo;essor remonte a\u0300 2010, et dont l&rsquo;action a de\u0301ja\u0300 permis d&rsquo;augmenter de fac\u0327on spectaculaire la survie de malades atteints de me\u0301lanome ou de cancer du poumon a\u0300 des stades avance\u0301s.<\/p>\n<p><b>Immunothe\u0301rapie 2.0<\/b><\/p>\n<p>Cette strate\u0301gie the\u0301rapeutique est expe\u0301rimente\u0301e pour des types de cancers de plus en plus nombreux. \u00ab\u00a0Et a\u0300 des stades plus pre\u0301coces, avant ou juste apre\u0300s la chirurgie\u00a0\u00bb, indique Aure\u0301lien Marabelle, qui dirige le programme de recherche sur l&rsquo;immunothe\u0301rapie au centre anti-cancer Gustave-Roussy, a\u0300 Villejuif (Val-de-Marne).<\/p>\n<p>Il conside\u0300re, enthousiaste, qu'\u00a0\u00bbon est en train de passer a\u0300 l&rsquo;immunothe\u0301rapie 2.0&Prime;. Autrement dit, de\u0300s lors qu&rsquo;on sait que \u00ab\u00a0l&rsquo;approche est pertinente pour traiter le cancer\u00a0\u00bb , on est entre\u0301 dans une deuxie\u0300me phase. \u00ab\u00a0Le syste\u0300me immunitaire rassemble des cellules tre\u0300s diffe\u0301rentes. On a donc la possibilite\u0301 d&rsquo;avoir un grand nombre de cibles, mais aussi diverses fac\u0327ons de diriger vers elles les me\u0301dicaments, ce qui est ine\u0301dit dans l&rsquo;histoire de la cance\u0301rologie\u00a0\u00bb, poursuit-il.<\/p>\n<p><b>De nombreuses utilisations possibles<\/b><\/p>\n<p>Aujourd&rsquo;hui, a\u0300 l&rsquo;ho\u0302pital, l&rsquo;immunothe\u0301rapie repose surtout sur l&rsquo;usage d&rsquo;anticorps monoclonaux, qui ciblent une prote\u0301ine de la membrane des cellules cance\u0301reuses. Mais demain, le spe\u0301cialiste de\u0301crit des anticorps bispe\u0301cifiques qui rapprochent physiquement la cellule immunitaire de la cellule cance\u0301reuse, ou encore des the\u0301rapies ge\u0301niques sous forme de cocktail d&rsquo;ARN, qui forceront la cellule cance\u0301reuse a\u0300 se\u0301cre\u0301ter des mole\u0301cules la rendant plus susceptible d&rsquo;activer le syste\u0300me immunitaire. Sans oublier les vaccins the\u0301rapeutiques qui font d&rsquo;ores et de\u0301ja\u0300 l&rsquo;objet d&rsquo;essais cliniques, notamment pour le cancer du pancre\u0301as au pronostic sombre.<\/p>\n<p>Par Marine Cygler<\/p>\n<p><strong>Pour plus d&rsquo;informations et d&rsquo;analyses sur la <a href=\"https:\/\/www.africa-press.net\/benin\">Benin<\/a>, suivez <a href=\"https:\/\/www.africa-press.net\/\">Africa-Press<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; Benin. Cet article est issu du magazine Les Indispensables de Sciences et Avenir n\u00b0216 date\u0301 janvier\/ mars 2024. Alors qu&rsquo;elles devraient e\u0302tre attaque\u0301es et e\u0301limine\u0301es par le syste\u0300me immunitaire, comme toute cellule anormale, les cellules cance\u0301reuses sont capables de faire en sorte qu&rsquo;il les tole\u0300re, ce qui leur permet de prolife\u0301rer et de [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":24057,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[36,50,45],"class_list":["post-24058","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-africa-press","tag-africa-press-benin","tag-benin"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Les Attaques Toujours Plus Cible\u0301es de L&#039;immunothe\u0301rapie - B\u00e9nin<\/title>\n<meta name=\"description\" content=\"Cet article est issu du magazine Les Indispensables de Sciences et Avenir n\u00b0216 date\u0301 janvier\/ mars 2024. 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