{"id":14333,"date":"2023-02-23T19:00:00","date_gmt":"2023-02-23T19:00:00","guid":{"rendered":"https:\/\/www.africa-press.net\/benin\/politique\/vih-un-nouveau-cas-de-guerison-confirme-apres-une-greffe-de-moelle-osseuse"},"modified":"2023-02-23T19:00:00","modified_gmt":"2023-02-23T19:00:00","slug":"vih-un-nouveau-cas-de-guerison-confirme-apres-une-greffe-de-moelle-osseuse","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/benin\/toutes-les-actualites\/vih-un-nouveau-cas-de-guerison-confirme-apres-une-greffe-de-moelle-osseuse","title":{"rendered":"VIH : un nouveau cas de gu\u00e9rison confirm\u00e9 apr\u00e8s une greffe de moelle osseuse"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong>Africa-Press &#8211; Benin. <\/strong><\/span><b>C&rsquo;est un nouveau cas officiel de gue\u0301rison du VIH apre\u0300s une greffe de moelle osseuse : le \u00ab\u00a0patient de Du\u0308sseldorf\u00a0\u00bb n\u2019a plus aucune trace du virus dans son organisme, indiquent des travaux publie\u0301s lundi dans Nature Medicine.<\/b><\/p>\n<p>Seulement deux cas de gue\u0301rison similaires ont e\u0301te\u0301 de\u0301crits jusqu\u2019a\u0300 pre\u0301sent dans des publications scientifiques : le patient de Berlin en 2009 et le patient de Londres en 2019. Deux autres cas de gue\u0301risons ont e\u0301te\u0301 de\u0301taille\u0301s l\u2019an dernier lors de confe\u0301rences scientifiques, mais n\u2019ont pas encore donne\u0301 lieu a\u0300 des publications en bonne et due forme.<\/p>\n<p><b>Une situation commune dans tous les cas<\/b><\/p>\n<p>Ce troisie\u0300me patient, un homme suivi a\u0300 Du\u0308sseldorf, a rec\u0327u une greffe de cellules souches pour traiter une leuce\u0301mie, puis a pu interrompre son traitement antire\u0301troviral contre le VIH, a de\u0301crit le consortium international IciStem, dont l\u2019Institut Pasteur est partenaire, dans l\u2019e\u0301tude.<\/p>\n<p>Dans leurs analyses, les chercheurs n\u2019ont pas trouve\u0301 de particules virales, ni de re\u0301servoir viral activable, ni de re\u0301ponses immunitaires contre le virus dans l\u2019organisme de cette personne malgre\u0301 l\u2019arre\u0302t du traitement depuis 4 ans.<\/p>\n<p>Les patients gue\u0301ris ont tous en commun une situation bien particulie\u0300re. Ils e\u0301taient atteints de cancers du sang et ont be\u0301ne\u0301ficie\u0301 d\u2019une greffe de cellules souches qui a renouvele\u0301 en profondeur leur syste\u0300me immunitaire.<\/p>\n<p>Leur donneur pre\u0301sentait une mutation rare d\u2019un ge\u0300ne dit CCR5, une mutation ge\u0301ne\u0301tique connue pour empe\u0302cher l\u2019entre\u0301e du VIH dans les cellules. Etant donne\u0301 que moins de 1% de la population ge\u0301ne\u0301rale porte cette mutation protectrice du VIH, il est en effet tre\u0300s rare qu\u2019un donneur de moelle compatible ait cette mutation.<\/p>\n<p>En 2018, l\u2019e\u0301quipe me\u0301dicale n\u2019a plus de\u0301tecte\u0301 la pre\u0301sence de virus et a planifie\u0301 avec le patient un arre\u0302t surveille\u0301 du traitement antire\u0301troviral contre le VIH.<\/p>\n<p><b>Une ope\u0301ration lourde et risque\u0301e<\/b><\/p>\n<p>Mais si ces cas de re\u0301missions apportent l\u2019espoir aux chercheurs de venir un jour a\u0300 bout du VIH, une greffe de moelle osseuse reste une ope\u0301ration tre\u0300s lourde et risque\u0301e : elle n\u2019est pas adaptable a\u0300 la plupart des porteurs du virus.<\/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. C&rsquo;est un nouveau cas officiel de gue\u0301rison du VIH apre\u0300s une greffe de moelle osseuse : le \u00ab\u00a0patient de Du\u0308sseldorf\u00a0\u00bb n\u2019a plus aucune trace du virus dans son organisme, indiquent des travaux publie\u0301s lundi dans Nature Medicine. Seulement deux cas de gue\u0301rison similaires ont e\u0301te\u0301 de\u0301crits jusqu\u2019a\u0300 pre\u0301sent dans des publications scientifiques [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":14332,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[36,50,46],"class_list":["post-14333","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-2"],"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>VIH : un nouveau cas de gu\u00e9rison confirm\u00e9 apr\u00e8s une greffe de moelle osseuse - B\u00e9nin<\/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:\/\/www.africa-press.net\/benin\/politique\/vih-un-nouveau-cas-de-guerison-confirme-apres-une-greffe-de-moelle-osseuse\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"VIH : un nouveau cas de gu\u00e9rison confirm\u00e9 apr\u00e8s une greffe de moelle osseuse\" \/>\n<meta property=\"og:description\" content=\"Africa-Press &#8211; Benin. 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