{"id":153246,"date":"2014-08-20T00:00:00","date_gmt":"2014-08-20T00:00:00","guid":{"rendered":"https:\/\/v2.optiknow.ca\/nouvelle-carte-moleculaire-de-loeil\/"},"modified":"2014-08-20T00:00:00","modified_gmt":"2014-08-20T00:00:00","slug":"nouvelle-carte-moleculaire-de-loeil","status":"publish","type":"post","link":"https:\/\/v2.optiknow.ca\/fr\/2014\/08\/20\/nouvelle-carte-moleculaire-de-loeil\/","title":{"rendered":"Nouvelle carte mol\u00e9culaire de l\u0092\u009cil"},"content":{"rendered":"<p>\u00a0<\/p>\n<p>Des chercheurs de l'Universit\u00e9 de l'Iowa ont \u00e9tabli la carte mol\u00e9culaire de l'\u009cil humain la plus compl\u00e8te \u00e0 ce jour, en r\u00e9pertoriant plus de 4 000 prot\u00e9ines pr\u00e9sentes dans la choro\u00efde.<\/p>\n<p class=\"Corps\">\u00a0<\/p>\n<p class=\"Corps\">Ces prot\u00e9ines jouent un r\u00f4le important dans le maintien de la vision, dans une partie de l'\u009cil associ\u00e9e \u00e0 des maladies pouvant mener \u00e0 la basse vision ou \u00e0 la c\u00e9cit\u00e9, comme la d\u00e9g\u00e9n\u00e9rescence maculaire li\u00e9e \u00e0 l'\u00e2ge. En observant les quantit\u00e9s variables de prot\u00e9ines dans les trois r\u00e9gions de la choro\u00efde, les chercheurs estiment qu'ils pourront comprendre quelles prot\u00e9ines peuvent \u00eatre associ\u00e9es \u00e0 la perte de vision et aux maladies oculaires.<\/p>\n<p class=\"Corps\">\u00a0<\/p>\n<p class=\"Corps\">\u00ab\u00a0Ces cartes mol\u00e9culaires nous donnent certains indices aidant \u00e0 comprendre pourquoi certaines r\u00e9gions de la choro\u00efde sont plus sensibles \u00e0 certaines maladies, et \u00e0 identifier les meilleures r\u00e9gions \u00e0 cibler pour les traitements\u00a0\u00bb, explique Vinit Mahajan, l'un des auteurs de l'article paru dans <em>JAMA Ophthalmology.<\/em> \u00ab\u00a0Auparavant, nous ne savions tout simplement pas ce qui se trouvait \u00e0 tel ou tel endroit.\u00a0\u00bb<\/p>\n<p class=\"Corps\">\u00a0<\/p>\n<p class=\"Corps\">La carte permet notamment de d\u00e9couvrir que la prot\u00e9ine CFH se trouve en plus grande quantit\u00e9 dans la fov\u00e9a. Or, cette prot\u00e9ine aide \u00e0 pr\u00e9venir le d\u00e9clenchement d'une s\u00e9rie d'\u00e9v\u00e9nements mol\u00e9culaires pouvant mener \u00e0 la DMLA. Observer la quantit\u00e9 de CFH dans cette r\u00e9gion devient donc un bon moyen de d\u00e9tecter les risques de DMLA.<\/p>\n<p><br class=\"Corps\" \/><\/p>\n<p class=\"Corps\">Sources :<\/p>\n<p class=\"Corps\"><a title=\"Nouvelle carte mol\u00e9culaire de l'\u009cil\" href=\"http:\/\/archopht.jamanetwork.com\/article.aspx?articleid=1889671\">http:\/\/archopht.jamanetwork.com\/article.aspx?articleid=1889671<\/a><\/p>\n<p class=\"Corps\"><a title=\"Nouvelle carte mol\u00e9culaire de l'\u009cil\" href=\"http:\/\/www.sciencedaily.com\/releases\/2014\/08\/140801125054.htm\">http:\/\/www.sciencedaily.com\/releases\/2014\/08\/140801125054.htm<\/a><\/p>\n<p class=\"Corps\">\u00a0<\/p>\n<p class=\"Corps\">\u00a0<\/p>\n<p class=\"Corps\">\u00a0<\/p>\n<p class=\"Corps\">\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0 Des chercheurs de l'Universit\u00e9 de l'Iowa ont \u00e9tabli la carte mol\u00e9culaire de l'\u009cil humain la plus compl\u00e8te \u00e0 ce jour, en r\u00e9pertoriant plus de 4 000 prot\u00e9ines pr\u00e9sentes dans [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23133],"tags":[],"class_list":["post-153246","post","type-post","status-publish","format-standard","hentry","category-nouvelles"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - 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