{"id":153021,"date":"2013-01-13T00:00:00","date_gmt":"2013-01-13T00:00:00","guid":{"rendered":"https:\/\/v2.optiknow.ca\/des-avancees-dans-le-traitement-de-la-retinite-pigmentaire\/"},"modified":"2013-01-13T00:00:00","modified_gmt":"2013-01-13T00:00:00","slug":"des-avancees-dans-le-traitement-de-la-retinite-pigmentaire","status":"publish","type":"post","link":"https:\/\/v2.optiknow.ca\/fr\/2013\/01\/13\/des-avancees-dans-le-traitement-de-la-retinite-pigmentaire\/","title":{"rendered":"Des avanc\u00e9es dans le traitement de la r\u00e9tinite pigmentaire"},"content":{"rendered":"<p>\u00a0<\/p>\n<p>Deux traitements exp\u00e9rimentaux de la r\u00e9tinite pigmentaire, bas\u00e9s respectivement sur la greffe de cellules souches et sur la th\u00e9rapie g\u00e9nique, pourraient bient\u00f4t passer au stade des essais cliniques. Ils ont d\u00e9montr\u00e9 une capacit\u00e9 \u00e0 am\u00e9liorer les fonctions visuelles des souris.<\/p>\n<p>\u00a0<\/p>\n<p>Le Dr Stephen H. Tsang, chercheur \u00e0 l'Universit\u00e9 Columbia et ophtalmologiste au NewYork-Presbyterian Hospital\/CUMC a qualifi\u00e9 ces r\u00e9sultats de \u00ab\u00a0tr\u00e8s encourageants\u00a0\u00bb. \u00ab\u00a0Nous n'avions jamais vu ce type d'am\u00e9lioration des fonctions r\u00e9tiniennes dans des mod\u00e8les de souris atteints de r\u00e9tinite pigmentaire\u00a0\u00bb, dit-il.<\/p>\n<p>\u00a0<\/p>\n<p>L'un des traitements est la greffe de cellules souches iPS, qui peuvent se transformer en n'importe quel type de cellule, et ne proviennent pas d'embryons, mais de cellules adultes. Elles sont inject\u00e9es dans la r\u00e9tine et s'int\u00e8grent \u00e0 l'\u00e9pith\u00e9lium pigmentaire. Les b\u00e9n\u00e9fices de cette intervention ont dur\u00e9 toute la vie des souris.<\/p>\n<p>\u00a0<\/p>\n<p>L'autre traitement vise plut\u00f4t \u00e0 corriger des d\u00e9fauts g\u00e9n\u00e9tiques. Les chercheurs ont inject\u00e9 des copies saines d'un g\u00e8ne dans la r\u00e9tine de la souris. Apr\u00e8s six mois, ils ont trouv\u00e9 des cellules photor\u00e9ceptrices dans l'\u009cil trait\u00e9, qui avait conserv\u00e9 sa vision, mais pas dans l'autre, qui l'avait perdue.<\/p>\n<p>\u00a0<\/p>\n<p>Sources\u00a0:<\/p>\n<p><a title=\"Des avanc\u00e9es dans le traitement de la r\u00e9tinite pigmentaire\" href=\"http:\/\/www.medicalnewstoday.com\/releases\/254385.php\">http:\/\/www.medicalnewstoday.com\/releases\/254385.php<\/a><\/p>\n<p>\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0 Deux traitements exp\u00e9rimentaux de la r\u00e9tinite pigmentaire, bas\u00e9s respectivement sur la greffe de cellules souches et sur la th\u00e9rapie g\u00e9nique, pourraient bient\u00f4t passer au stade des essais cliniques. Ils [&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,"footnotes":""},"categories":[14992,23133],"tags":[],"class_list":["post-153021","post","type-post","status-publish","format-standard","hentry","category-non-categorise","category-nouvelles"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Des avanc\u00e9es dans le traitement de la r\u00e9tinite pigmentaire - OptikNow<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Des avanc\u00e9es dans le traitement de la r\u00e9tinite pigmentaire - OptikNow\" \/>\n<meta property=\"og:description\" content=\"\u00a0 Deux traitements exp\u00e9rimentaux de la r\u00e9tinite pigmentaire, bas\u00e9s respectivement sur la greffe de cellules souches et sur la th\u00e9rapie g\u00e9nique, pourraient bient\u00f4t passer au stade des essais cliniques. 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