{"id":153155,"date":"2014-01-05T00:00:00","date_gmt":"2014-01-05T00:00:00","guid":{"rendered":"https:\/\/v2.optiknow.ca\/des-proteines-aideraient-a-freiner-la-dmla\/"},"modified":"2014-01-05T00:00:00","modified_gmt":"2014-01-05T00:00:00","slug":"des-proteines-aideraient-a-freiner-la-dmla","status":"publish","type":"post","link":"https:\/\/v2.optiknow.ca\/fr\/2014\/01\/05\/des-proteines-aideraient-a-freiner-la-dmla\/","title":{"rendered":"Des prot\u00e9ines aideraient \u00e0 freiner la DMLA"},"content":{"rendered":"<p>\u00a0<\/p>\n<p>Des chercheurs japonais ont d\u00e9montr\u00e9 qu'un type de prot\u00e9ine trouv\u00e9e dans des cellules souches peut renverser et m\u00eame pr\u00e9venir les dommages r\u00e9tiniens li\u00e9s \u00e0 l'exposition r\u00e9p\u00e9t\u00e9e aux UV\u0085 chez les souris.<\/p>\n<p>\u00a0<\/p>\n<p>Les chercheurs ont d\u00e9termin\u00e9 qu'une simple injection de cellules souches d\u00e9riv\u00e9es de tissus adipeux r\u00e9duisait les dommages r\u00e9tiniens caus\u00e9s par l'exposition \u00e0 la lumi\u00e8re chez les souris. Plus important encore, leurs travaux ont r\u00e9v\u00e9l\u00e9 que la progranuline, une prot\u00e9ine trouv\u00e9e dans ces cellules souches, pourrait jouer un r\u00f4le central dans la protection contre ce type de dommage.<\/p>\n<p>\u00a0<\/p>\n<p>\u00ab\u00a0De r\u00e9centes \u00e9tudes ont d\u00e9montr\u00e9 que des cellules souches tir\u00e9es de la moelle \u00e9pini\u00e8re prot\u00e8gent le syst\u00e8me nerveux central avec des r\u00e9sultats limit\u00e9s\u00a0\u00bb, \u00e9crivent les auteurs de l'article publi\u00e9 dans <em>STEM CELLS Translational Medicine<\/em>. \u00ab\u00a0Comme les cellules souches de moelle \u00e9pini\u00e8re, celles d\u00e9riv\u00e9es de tissus adipeux se r\u00e9g\u00e9n\u00e8rent par elles-m\u00eames, et sont capables de changer, ou de se diff\u00e9rencier, en croissant. Mais comme elles proviennent du gras, elles peuvent \u00eatre obtenues plus facilement sous anesth\u00e9sie locale, et en grande quantit\u00e9.\u00a0\u00bb<\/p>\n<p>\u00a0<\/p>\n<p>Les auteurs soutiennent que la progranuline pourrait devenir une cible potentielle de traitement pour des maladies d\u00e9g\u00e9n\u00e9ratives de la r\u00e9tine telles la DMLA et la r\u00e9tinite pigmentaire.<\/p>\n<p><\/p>\n<p>Source\u00a0:<\/p>\n<p><a title=\"Des prot\u00e9ines aideraient \u00e0 freiner la DMLA\" href=\"http:\/\/eyewiretoday.com\/view.asp?20131202-protein_found_in_fat-derived_stem_cells_could_halt_age-related_retinal_damage\">http:\/\/eyewiretoday.com\/view.asp?20131202-protein_found_in_fat-derived_stem_cells_could_halt_age-related_retinal_damage<\/a><\/p>\n<p>\u00a0<a title=\"Des prot\u00e9ines aideraient \u00e0 freiner la DMLA\" href=\"http:\/\/stemcellstm.alphamedpress.org\/content\/early\/2013\/11\/13\/sctm.2013-0020.abstract?sid=d770afa6-f248-4f50-8e69-2ae253817850\">http:\/\/stemcellstm.alphamedpress.org\/content\/early\/2013\/11\/13\/sctm.2013-0020.abstract?sid=d770afa6-f248-4f50-8e69-2ae253817850<\/a><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0 Des chercheurs japonais ont d\u00e9montr\u00e9 qu'un type de prot\u00e9ine trouv\u00e9e dans des cellules souches peut renverser et m\u00eame pr\u00e9venir les dommages r\u00e9tiniens li\u00e9s \u00e0 l'exposition r\u00e9p\u00e9t\u00e9e aux UV\u0085 chez [&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-153155","post","type-post","status-publish","format-standard","hentry","category-nouvelles"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - 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