{"id":153177,"date":"2014-02-16T00:00:00","date_gmt":"2014-02-16T00:00:00","guid":{"rendered":"https:\/\/v2.optiknow.ca\/nouvelle-piste-pour-traiter-la-retinopathie-diabetique\/"},"modified":"2014-02-16T00:00:00","modified_gmt":"2014-02-16T00:00:00","slug":"nouvelle-piste-pour-traiter-la-retinopathie-diabetique","status":"publish","type":"post","link":"https:\/\/v2.optiknow.ca\/fr\/2014\/02\/16\/nouvelle-piste-pour-traiter-la-retinopathie-diabetique\/","title":{"rendered":"Nouvelle piste pour traiter la r\u00e9tinopathie diab\u00e9tique"},"content":{"rendered":"<p>\u00a0<\/p>\n<p>Des m\u00e9dicaments qui restaurent la dopamine, d\u00e9j\u00e0 utilis\u00e9s pour traiter la maladie de Parkinson, pourraient contribuer au traitement de la r\u00e9tinopathie diab\u00e9tique.<\/p>\n<p class=\"Corps\">\u00a0<\/p>\n<p class=\"Corps\">\u00ab\u00a0Il y avait d\u00e9j\u00e0 des preuves que les niveaux de dopamine \u00e9taient r\u00e9duits par la r\u00e9tinopathie diab\u00e9tique, mais ce qui est nouveau c'est que nous pouvons d\u00e9sormais restaurer les niveaux de dopamine et am\u00e9liorer les fonctions visuelles d'un mod\u00e8le animal\u00a0du diab\u00e8te \u00bb, explique Machelle Pardue, l'une des auteurs de l'article paru dans <em>Journal of Neuroscience<\/em>.<\/p>\n<p class=\"Corps\">\u00a0<\/p>\n<p class=\"Corps\">Les chercheurs ont trait\u00e9 des souris diab\u00e9tiques en leur injectant de la L-dopa. Ce dernier a retard\u00e9 l'apparition de probl\u00e8mes visuels de plusieurs semaines et amoindri la s\u00e9v\u00e9rit\u00e9 des d\u00e9fauts de vision. De plus, les chercheurs ont d\u00e9couvert que les b\u00e9n\u00e9fices visuels de la L-dopa provenaient des r\u00e9tines, puisque le traitement am\u00e9liorait les r\u00e9ponses r\u00e9tiniennes.<\/p>\n<p class=\"Corps\">\u00a0<\/p>\n<p class=\"Corps\">D'autres traitements ax\u00e9s sur la dopamine ont aussi \u00e9t\u00e9 test\u00e9s. Par exemple, injecter aux souris un agoniste du r\u00e9cepteur D1R am\u00e9liorait son acuit\u00e9 visuelle, alors qu'un agoniste du r\u00e9cepteur D4R am\u00e9liorait plut\u00f4t sa perception des contrastes.<\/p>\n<p class=\"Corps\">\u00a0<\/p>\n<p class=\"Corps\">\u00ab\u00a0Cela d\u00e9montre que des traitements ciblant la dopamine pourraient aider les patients atteints du diab\u00e8te\u00a0\u00bb, conclut un autre auteur de l'article, Michael Iuvone.<\/p>\n<p><br class=\"Corps\" \/><\/p>\n<p class=\"Corps\">Sources :<\/p>\n<p class=\"Corps\"><a title=\"Nouvelle piste pour traiter la r\u00e9tinopathie diab\u00e9tique\" href=\"http:\/\/www.jneurosci.org\/content\/34\/3\/726\">http:\/\/www.jneurosci.org\/content\/34\/3\/726<\/a><\/p>\n<p class=\"Corps\"><a title=\"Nouvelle piste pour traiter la r\u00e9tinopathie diab\u00e9tique\" href=\"http:\/\/www.sciencedaily.com\/releases\/2014\/01\/140122134323.htm\">http:\/\/www.sciencedaily.com\/releases\/2014\/01\/140122134323.htm<\/a><\/p>\n<p class=\"Corps\">\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0 Des m\u00e9dicaments qui restaurent la dopamine, d\u00e9j\u00e0 utilis\u00e9s pour traiter la maladie de Parkinson, pourraient contribuer au traitement de la r\u00e9tinopathie diab\u00e9tique. \u00a0 \u00ab\u00a0Il y avait d\u00e9j\u00e0 des preuves [&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":[23133],"tags":[],"class_list":["post-153177","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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