{"id":153015,"date":"2013-01-20T00:00:00","date_gmt":"2013-01-20T00:00:00","guid":{"rendered":"https:\/\/v2.optiknow.ca\/des-photorecepteurs-bien-tailles\/"},"modified":"2013-01-20T00:00:00","modified_gmt":"2013-01-20T00:00:00","slug":"des-photorecepteurs-bien-tailles","status":"publish","type":"post","link":"https:\/\/v2.optiknow.ca\/fr\/2013\/01\/20\/des-photorecepteurs-bien-tailles\/","title":{"rendered":"Des photor\u00e9cepteurs bien taill\u00e9s!"},"content":{"rendered":"<p>\u00a0<\/p>\n<p>Des chercheurs isra\u00e9liens et californiens ont d\u00e9montr\u00e9 l'importance de deux prot\u00e9ines pour la sant\u00e9 de la r\u00e9tine. Cette d\u00e9couverte pourrait avoir un impact sur le traitement de maladies des syst\u00e8mes immunitaires, reproductifs, vasculaires et nerveux.<\/p>\n<p>\u00a0<\/p>\n<p>Les photor\u00e9cepteurs de la r\u00e9tine poussent et s'allongent sans cesse. Si ce processus se poursuivait sans interruption, ils finiraient par succomber \u00e0 la toxicit\u00e9 et d\u00e9g\u00e9n\u00e9rer, menant \u00e0 la c\u00e9cit\u00e9. Heureusement, les cellules de l'\u00e9pith\u00e9lium pigmentaire \u00ab\u00a0taillent\u00a0\u00bb les photor\u00e9cepteurs, les d\u00e9barrassant du m\u00eame coup de plusieurs radicaux libres et de sous-produits toxiques g\u00e9n\u00e9r\u00e9s par les r\u00e9actions biochimiques de la vision.<\/p>\n<p>\u00a0<\/p>\n<p>Pour mettre en marche le processus d'\u00e9lagage des photor\u00e9cepteurs, que l'on appelle phagocytose, il faut que la mol\u00e9cule Mer joue son r\u00f4le. Or, cette mol\u00e9cule est elle-m\u00eame activ\u00e9e par deux prot\u00e9ines\u00a0: Gas6 et la prot\u00e9ine S. Les chercheurs de l'institut isra\u00e9lien ont d\u00e9montr\u00e9 en laboratoire que ces deux prot\u00e9ines sont essentielles pour activer la phagocytose des photor\u00e9cepteurs r\u00e9tiniens et donc prot\u00e9ger la sant\u00e9 de la r\u00e9tine. Leurs r\u00e9sultats ont \u00e9t\u00e9 publi\u00e9s dans la revue scientifique <em>Neuron<\/em>.<\/p>\n<p>\u00a0<\/p>\n<p>Source\u00a0:<\/p>\n<p><a title=\"Des photor\u00e9cepteurs bien taill\u00e9s!\" href=\"http:\/\/www.sciencedaily.com\/releases\/2013\/01\/130106104534.htm\">http:\/\/www.sciencedaily.com\/releases\/2013\/01\/130106104534.htm<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0 Des chercheurs isra\u00e9liens et californiens ont d\u00e9montr\u00e9 l'importance de deux prot\u00e9ines pour la sant\u00e9 de la r\u00e9tine. Cette d\u00e9couverte pourrait avoir un impact sur le traitement de maladies des [&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-153015","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 photor\u00e9cepteurs bien taill\u00e9s! - 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 photor\u00e9cepteurs bien taill\u00e9s! - OptikNow\" \/>\n<meta property=\"og:description\" content=\"\u00a0 Des chercheurs isra\u00e9liens et californiens ont d\u00e9montr\u00e9 l&#039;importance de deux prot\u00e9ines pour la sant\u00e9 de la r\u00e9tine. 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