{"id":14350,"date":"2022-01-16T14:41:19","date_gmt":"2022-01-16T14:41:19","guid":{"rendered":"https:\/\/www.africa-press.net\/cameroun\/politique\/lorigine-de-la-sclerose-en-plaques-decouverte"},"modified":"2022-01-16T16:44:39","modified_gmt":"2022-01-16T16:44:39","slug":"lorigine-de-la-sclerose-en-plaques-decouverte","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/cameroun\/toutes-les-actualites\/lorigine-de-la-sclerose-en-plaques-decouverte","title":{"rendered":"L\u2019origine de la scl\u00e9rose en plaques d\u00e9couverte ?"},"content":{"rendered":"

Africa-Press – Cameroun. <\/strong><\/span>Une \u00e9quipe de chercheurs am\u00e9ricains a publi\u00e9 une \u00e9tude pointant du doigt le virus d’Epstein-Barr. Une grande premi\u00e8re pour le monde m\u00e9dical.<\/p>\n

Connaissez-vous le virus d\u2019Epstein-Barr (EBV) ? Selon une nouvelle \u00e9tude de chercheurs am\u00e9ricains, il provoquerait tr\u00e8s probablement la scl\u00e9rose en plaques. Pour la premi\u00e8re fois, des scientifiques ont identifi\u00e9 un responsable de cette maladie auto-immune. Cette d\u00e9couverte soul\u00e8ve l\u2019espoir du d\u00e9veloppement possible d\u2019un futur traitement, qui permettrait de gu\u00e9rir cette maladie affectant environ 2,8 millions de personnes dans le monde.<\/p>\n

Environ 95 % de l\u2019ensemble des adultes sont infect\u00e9s par le virus d\u2019Epstein-Barr, qui peut \u00e9galement provoquer d\u2019autres maladies, comme la mononucl\u00e9ose. L\u2019\u00e9tude, publi\u00e9e cette semaine dans la prestigieuse revue Science, montre que ce virus est n\u00e9cessaire au d\u00e9veloppement de la scl\u00e9rose en plaques, m\u00eame si toutes les personnes infect\u00e9es ne d\u00e9veloppent pas cette maladie pour autant.<\/p>\n

L\u2019hypoth\u00e8se \u00e9tait \u00e9tudi\u00e9e depuis plusieurs ann\u00e9es, mais difficile \u00e0 prouver notamment parce que ce virus est tr\u00e8s commun, et que les sympt\u00f4mes de la maladie ne commencent qu\u2019environ dix ans apr\u00e8s l\u2019infection. Il s\u2019agit de \u00ab la premi\u00e8re \u00e9tude fournissant une preuve convaincante de causalit\u00e9 \u00bb, a d\u00e9clar\u00e9 Alberto Ascherio, auteur principal et professeur d\u2019\u00e9pid\u00e9miologie \u00e0 l\u2019\u00e9cole de sant\u00e9 publique d\u2019Harvard.<\/p>\n

\u00ab Cela sugg\u00e8re que la plupart des cas pourraient \u00eatre emp\u00each\u00e9s \u00bb<\/p>\n

\u00ab C\u2019est un pas important, car cela sugg\u00e8re que la plupart des cas de scl\u00e9rose en plaques pourraient \u00eatre emp\u00each\u00e9s en stoppant l\u2019infection au virus d\u2019Epstein-Barr \u00bb, a-t-il ajout\u00e9, cit\u00e9 dans un communiqu\u00e9. \u00ab Viser ce virus pourrait conduire \u00e0 la d\u00e9couverte d\u2019un rem\u00e8de. \u00bb Les chercheurs ont suivi durant 20 ans plus de 10 millions de jeunes adultes engag\u00e9s dans l\u2019arm\u00e9e am\u00e9ricaine, dont 955 ont \u00e9t\u00e9 diagnostiqu\u00e9s atteints de scl\u00e9rose en plaques durant leur service.<\/p>\n

Selon ces travaux, le risque de contracter la scl\u00e9rose en plaques \u00e9tait multipli\u00e9 par 32 apr\u00e8s avoir \u00e9t\u00e9 infect\u00e9 par le virus d\u2019Epstein-Barr, mais restait inchang\u00e9 apr\u00e8s l\u2019infection par d\u2019autres virus. Selon des chercheurs de l\u2019universit\u00e9 de Stanford, ayant publi\u00e9 un commentaire de l\u2019\u00e9tude dans la revue Science, d\u2019autres facteurs, par exemple g\u00e9n\u00e9tiques, pourraient jouer un r\u00f4le dans le fait de d\u00e9velopper ou non la maladie.<\/p>\n

La scl\u00e9rose en plaques est une maladie auto-immune du syst\u00e8me nerveux central (cerveau et moelle \u00e9pini\u00e8re). Elle provoque un d\u00e9r\u00e8glement du syst\u00e8me immunitaire, qui s\u2019attaque \u00e0 la my\u00e9line, la gaine servant \u00e0 prot\u00e9ger les fibres nerveuses. \u00c9voluant par \u00ab pouss\u00e9es \u00bb, la maladie est tr\u00e8s variable d\u2019un patient \u00e0 l\u2019autre mais peut aboutir \u00e0 des s\u00e9quelles, et est l\u2019une des causes fr\u00e9quentes de handicap chez les jeunes adultes. L\u2019entreprise am\u00e9ricaine Moderna a annonc\u00e9 la semaine derni\u00e8re avoir commenc\u00e9 les essais cliniques sur des humains d\u2019un vaccin contre le virus d\u2019Epstein-Barr.<\/p>\n

Pour plus d’informations et d’analyses sur la Cameroun<\/a>, suivez Africa-Press<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Africa-Press – Cameroun. Une \u00e9quipe de chercheurs am\u00e9ricains a publi\u00e9 une \u00e9tude pointant du doigt le virus d’Epstein-Barr. Une grande premi\u00e8re pour le monde m\u00e9dical. Connaissez-vous le virus d\u2019Epstein-Barr (EBV) ? Selon une nouvelle \u00e9tude de chercheurs am\u00e9ricains, il provoquerait tr\u00e8s probablement la scl\u00e9rose en plaques. Pour la premi\u00e8re fois, des scientifiques ont identifi\u00e9 un […]<\/p>\n","protected":false},"author":82,"featured_media":14349,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21,11,10],"tags":[36,50,49],"class_list":["post-14350","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-communaute","category-homepage-french","category-toutes-les-actualites","tag-africa-press","tag-africa-press-cameroun","tag-cameroun"],"yoast_head":"\nL\u2019origine de la scl\u00e9rose en plaques d\u00e9couverte ? - Cameroun<\/title>\n<meta name=\"description\" content=\"Une \u00e9quipe de chercheurs am\u00e9ricains a publi\u00e9 une \u00e9tude pointant du doigt le virus d'Epstein-Barr. 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