{"id":10632,"date":"2019-03-25T16:50:21","date_gmt":"2019-03-25T20:50:21","guid":{"rendered":"https:\/\/cliniquesmedicaleslacroix.com\/?p=10632"},"modified":"2019-03-25T16:56:56","modified_gmt":"2019-03-25T20:56:56","slug":"de-nouveaux-neurones-pour-la-vie","status":"publish","type":"post","link":"https:\/\/cliniquesmedicaleslacroix.com\/fr\/de-nouveaux-neurones-pour-la-vie\/","title":{"rendered":"De nouveaux neurones pour la vie ?"},"content":{"rendered":"

Selon une \u00e9tude, les personnes \u00e2g\u00e9es pourraient encore fabriquer de nouvelles cellules c\u00e9r\u00e9brales<\/h3>\n

L’un des d\u00e9bats les plus \u00e9pineux en neuroscience est de savoir si les gens peuvent cr\u00e9er de nouveaux neurones apr\u00e8s que leur cerveau ait cess\u00e9 de se d\u00e9velopper \u00e0 l’adolescence – un processus connu sous le nom de neurogen\u00e8se. D’o\u00f9 l’int\u00e9r\u00eat pour\u00a0une nouvelle \u00e9tude du Centre de biologie mol\u00e9culaire Severo Ochoa de Madrid publi\u00e9e dans\u00a0Nature Medicine<\/em>\u00a0qui tend \u00e0 d\u00e9montrer que m\u00eame les personnes tr\u00e8s \u00e2g\u00e9es peuvent cr\u00e9er de nouvelles cellules c\u00e9r\u00e9brales et que des \u00e9tudes ant\u00e9rieures qui n\u2019ont pas rep\u00e9r\u00e9 ces nouveaux venus ont peut-\u00eatre utilis\u00e9 des m\u00e9thodes d\u00e9fectueuses.\"\"<\/p>\n

Le travail \u00ab\u00a0fournit des preuves claires et d\u00e9finitives de la persistance de la neurogen\u00e8se tout au long de la vie\u00a0\u00bb, d\u00e9clare Paul Frankland, neuroscientifique \u00e0 l’Hospital for Sick Children de Toronto, au Canada.\u00a0\u00ab\u00a0Pour moi, cela r\u00e8gle la question.\u00a0\u00bb<\/p>\n

Des chercheurs fondent depuis longtemps l’espoir que la neurogen\u00e8se puisse aider \u00e0 traiter des troubles c\u00e9r\u00e9braux tels que la d\u00e9pression et la maladie d’Alzheimer.\u00a0Cependant l’an dernier une \u00e9tude r\u00e9alis\u00e9e dans\u00a0Nature<\/cite> r\u00e9v\u00e9lait que\u00a0le processus disparaissait \u00e0 l’adolescence,\u00a0 contredisant les travaux pr\u00e9c\u00e9dents qui avaient fait la d\u00e9couverte de neurones du nouveau-n\u00e9 chez des personnes \u00e2g\u00e9es \u00e0 l’aide de diverses m\u00e9thodes.\u00a0La d\u00e9couverte a \u00e9t\u00e9 d\u00e9cevante pour des neuroscientifiques comme Frankland, qui \u00e9tudie la neurogen\u00e8se chez l’adulte dans l’hippocampe de rongeur, une r\u00e9gion du cerveau impliqu\u00e9e dans l’apprentissage et la m\u00e9moire.\u00a0Cela \u00aba soulev\u00e9 des questions sur la pertinence de notre travail\u00bb, dit-il.<\/p>\n

Malgr\u00e9 les sceptiques, Heather Cameron, neuroscientifique \u00e0 l’Institut national de la sant\u00e9 mentale de Bethesda, dans le Maryland, reste convaincue par les nouveaux travaux.\u00a0Sur la base de la \u00abbeaut\u00e9 des donn\u00e9es\u00bb de la nouvelle \u00e9tude, \u00abje pense que nous pouvons tous avancer avec confiance, sachant que ce que nous voyons chez les animaux sera applicable chez l’homme, dit-elle.\u00a0\u00abEst-ce que cela va r\u00e9gler le d\u00e9bat?\u00a0Je ne suis pas s\u00fbr.\u00a0Devrait-il?\u00a0Oui.\u00a0\u00bb<\/p>\n

Article r\u00e9sum\u00e9 et traduit de : http:\/\/bit.ly\/2HXNiPM<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Selon une \u00e9tude, les personnes \u00e2g\u00e9es pourraient encore fabriquer de nouvelles cellules c\u00e9r\u00e9brales L’un des d\u00e9bats les plus \u00e9pineux en…<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"om_disable_all_campaigns":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-10632","post","type-post","status-publish","format-standard","hentry","category-non-classifiee"],"yoast_head":"\nDe nouveaux neurones pour la vie ? - Cliniques m\u00e9dicales Lacroix<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cliniquesmedicaleslacroix.com\/fr\/de-nouveaux-neurones-pour-la-vie\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"De nouveaux neurones pour la vie ? 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