{"id":153154,"date":"2013-12-18T00:00:00","date_gmt":"2013-12-18T00:00:00","guid":{"rendered":"https:\/\/v2.optiknow.ca\/des-cellules-de-cornee-issues-de-cellules-de-cheveux\/"},"modified":"2013-12-18T00:00:00","modified_gmt":"2013-12-18T00:00:00","slug":"des-cellules-de-cornee-issues-de-cellules-de-cheveux","status":"publish","type":"post","link":"https:\/\/v2.optiknow.ca\/fr\/2013\/12\/18\/des-cellules-de-cornee-issues-de-cellules-de-cheveux\/","title":{"rendered":"Des cellules de corn\u00e9e issues de cellules de cheveux"},"content":{"rendered":"<p>\u00a0<\/p>\n<p>Le chercheur fran\u00e7ais Daniel Aberdam a r\u00e9ussi \u00e0 reconstituer des cellules de corn\u00e9e \u00e0 partir de cellules de cheveux.<\/p>\n<p>\u00a0<\/p>\n<p>Cet exploit, qu'il a mis dix ans \u00e0 accomplir, vient de lui m\u00e9riter le Grand Prix Fondation G\u00e9n\u00e9rale \u00a0de Sant\u00e9 pour la th\u00e9rapie cellulaire et la m\u00e9decine r\u00e9g\u00e9n\u00e9rative 2013 de l'Acad\u00e9mie des sciences. Sous la direction de Daniel Aberdam, les chercheurs du laboratoire de recherche sur les cellules souches de l'Inserm, \u00e0 Paris, ont d'abord pr\u00e9lev\u00e9 un cheveu qu'ils ont mis en culture. Il s'agissait ensuite de d\u00e9programmer les cellules du cheveu, puis de les reprogrammer pour en faire des cellules de corn\u00e9e.<\/p>\n<p>\u00a0<\/p>\n<p>Reste maintenant \u00e0 voir s'il est possible de r\u00e9parer la corn\u00e9e de certains patients en leur greffant ces cellules, et ainsi leur redonner la vue. \u00ab\u00a0Si nous prenons les cheveux d'un patient et que nous produisons les cellules de la corn\u00e9e \u00e0 partir de ce patient, il n'y aura quasiment pas de rejet immunitaire, souligne Daniel Aberdam. Si par contre nous prenons des cellules qui proviennent d'une autre personne, il peut y avoir un rejet, mais qui sera extr\u00eamement limit\u00e9 puisque la corn\u00e9e est une zone immuno-prot\u00e9g\u00e9e.\u00a0\u00bb<\/p>\n<p>\u00a0<\/p>\n<p>Une telle m\u00e9thode aiderait grandement \u00e0 r\u00e9soudre le probl\u00e8me du manque de corn\u00e9es. Environ 42 millions de personnes sont en attente d'une telle greffe dans le monde.<\/p>\n<p><\/p>\n<p>Sources\u00a0:<\/p>\n<p><a title=\"Des cellules de corn\u00e9e issues de cellules de cheveux \" href=\"http:\/\/www.acuite.fr\/articles.asp?REF=9194\">http:\/\/www.acuite.fr\/articles.asp?REF=9194<\/a><\/p>\n<p><a title=\"Des cellules de corn\u00e9e issues de cellules de cheveux\" href=\"http:\/\/www.israelscienceinfo.com\/medecine\/inserm-technion-le-dr-daniel-aberdam-ete-recompense-pour-ses-travaux-sur-des-cellules-souches-ips-partir-de-cheveux-et-pour-son-avancee-dans-la-decouverte-dune-molecule-medicament-appelee-prima\">http:\/\/www.israelscienceinfo.com\/medecine\/inserm-technion-le-dr-daniel-aberdam-ete-recompense-pour-ses-travaux-sur-des-cellules-souches-ips-partir-de-cheveux-et-pour-son-avancee-dans-la-decouverte-dune-molecule-medicament-appelee-prima<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0 Le chercheur fran\u00e7ais Daniel Aberdam a r\u00e9ussi \u00e0 reconstituer des cellules de corn\u00e9e \u00e0 partir de cellules de cheveux. \u00a0 Cet exploit, qu'il a mis dix ans \u00e0 accomplir, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_angie_page":false,"page_builder":"","footnotes":""},"categories":[23133],"tags":[],"class_list":["post-153154","post","type-post","status-publish","format-standard","hentry","category-nouvelles"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - 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