{"id":7110,"date":"2024-11-29T07:00:00","date_gmt":"2024-11-29T12:00:00","guid":{"rendered":"https:\/\/stillcoviding.ca\/fr\/?p=7110"},"modified":"2024-12-01T19:13:43","modified_gmt":"2024-12-02T00:13:43","slug":"long-covid-sars-cov-2-spike-protein-accumulation-linked-to-long-lasting-brain-effects","status":"publish","type":"post","link":"https:\/\/stillcoviding.ca\/fr\/nouvelles\/long-covid-sars-cov-2-spike-protein-accumulation-linked-to-long-lasting-brain-effects\/","title":{"rendered":"COVID longue&nbsp;: l\u2019accumulation de prot\u00e9ines spike du SRAS-CoV-2 est li\u00e9e \u00e0 des effets c\u00e9r\u00e9braux durables"},"content":{"rendered":"<p>Des chercheurs\/chercheuses de l\u2019universit\u00e9 Helmholtz de Munich et de la Ludwig-Maximilians-Universit\u00e4t (LMU) ont identifi\u00e9 un m\u00e9canisme qui pourrait expliquer les sympt\u00f4mes neurologiques de la COVID longue. L\u2019\u00e9tude montre que la prot\u00e9ine spike du SRAS-CoV-2 reste dans les couches protectrices du cerveau, les m\u00e9ninges et la moelle osseuse du cr\u00e2ne jusqu\u2019\u00e0 quatre ans apr\u00e8s l\u2019infection. Cette pr\u00e9sence persistante de la prot\u00e9ine spike pourrait d\u00e9clencher une inflammation chronique chez les personnes touch\u00e9es et augmenter le risque de maladies neurod\u00e9g\u00e9n\u00e9ratives. L\u2019\u00e9quipe, dirig\u00e9e par le Prof. Ali Ert\u00fcrk, directeur de l\u2019Institut des biotechnologies intelligentes \u00e0 Helmholtz Munich, a \u00e9galement constat\u00e9 que les vaccins mRNA contre la COVID-19 r\u00e9duisent consid\u00e9rablement l\u2019accumulation de la prot\u00e9ine spike dans le cerveau. Cependant, la persistance de la prot\u00e9ine spike apr\u00e8s infection dans le cr\u00e2ne et les m\u00e9ninges offre une cible pour de nouvelles strat\u00e9gies th\u00e9rapeutiques.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Des chercheurs\/chercheuses de l\u2019universit\u00e9 Helmholtz de Munich et de la Ludwig-Maximilians-Universit\u00e4t (LMU) ont identifi\u00e9 un m\u00e9canisme qui pourrait expliquer les sympt\u00f4mes neurologiques de la COVID longue. L\u2019\u00e9tude montre que la prot\u00e9ine spike du SRAS-CoV-2 reste dans les couches protectrices du cerveau, les m\u00e9ninges et la moelle osseuse du cr\u00e2ne jusqu\u2019\u00e0 quatre ans apr\u00e8s l\u2019infection. Cette pr\u00e9sence persistante de la prot\u00e9ine spike pourrait d\u00e9clencher une inflammation chronique chez les personnes touch\u00e9es et augmenter le risque de maladies neurod\u00e9g\u00e9n\u00e9ratives. L\u2019\u00e9quipe, dirig\u00e9e par le Prof. Ali Ert\u00fcrk, directeur de l\u2019Institut des biotechnologies intelligentes \u00e0 Helmholtz Munich, a \u00e9galement constat\u00e9 que les vaccins mRNA contre la COVID-19 r\u00e9duisent consid\u00e9rablement l\u2019accumulation de la prot\u00e9ine spike dans le cerveau. Cependant, la persistance de la prot\u00e9ine spike apr\u00e8s infection dans le cr\u00e2ne et les m\u00e9ninges offre une cible pour de nouvelles strat\u00e9gies th\u00e9rapeutiques.<\/p>\n<div class=\"more-link-wrapper\"><a class=\"more-link\" href=\"https:\/\/stillcoviding.ca\/fr\/nouvelles\/long-covid-sars-cov-2-spike-protein-accumulation-linked-to-long-lasting-brain-effects\/\">Lire la suite<span class=\"screen-reader-text\">COVID longue&nbsp;: l\u2019accumulation de prot\u00e9ines spike du SRAS-CoV-2 est li\u00e9e \u00e0 des effets c\u00e9r\u00e9braux durables<\/span><\/a><\/div>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[412,10,16,1311,1312,372,42,7,12,88,341,13,613],"class_list":["post-7110","post","type-post","status-publish","format-standard","hentry","category-nouvelles","tag-allemagne","tag-covid-longue","tag-covid-19","tag-helmholtz-munich","tag-ludwig-maximilians-universitat","tag-persistance-virale","tag-problemes-cognitifs","tag-recherche","tag-sras-cov-2","tag-traitements-medicaux","tag-union-europeenne","tag-vaccins","tag-vaccins-a-arnm","entry"],"_links":{"self":[{"href":"https:\/\/stillcoviding.ca\/fr\/wp-json\/wp\/v2\/posts\/7110","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/stillcoviding.ca\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/stillcoviding.ca\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/stillcoviding.ca\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/stillcoviding.ca\/fr\/wp-json\/wp\/v2\/comments?post=7110"}],"version-history":[{"count":3,"href":"https:\/\/stillcoviding.ca\/fr\/wp-json\/wp\/v2\/posts\/7110\/revisions"}],"predecessor-version":[{"id":7114,"href":"https:\/\/stillcoviding.ca\/fr\/wp-json\/wp\/v2\/posts\/7110\/revisions\/7114"}],"wp:attachment":[{"href":"https:\/\/stillcoviding.ca\/fr\/wp-json\/wp\/v2\/media?parent=7110"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stillcoviding.ca\/fr\/wp-json\/wp\/v2\/categories?post=7110"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/stillcoviding.ca\/fr\/wp-json\/wp\/v2\/tags?post=7110"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}