{"id":4648,"date":"2024-03-29T13:00:00","date_gmt":"2024-03-29T17:00:00","guid":{"rendered":"https:\/\/stillcoviding.ca\/fr\/?p=4648"},"modified":"2024-03-29T23:53:43","modified_gmt":"2024-03-30T03:53:43","slug":"covid-19-research-study-reveals-new-details-about-potentially-deadly-inflammation","status":"publish","type":"post","link":"https:\/\/stillcoviding.ca\/fr\/nouvelles\/covid-19-research-study-reveals-new-details-about-potentially-deadly-inflammation\/","title":{"rendered":"COVID-19 research: Study reveals new details about potentially deadly inflammation"},"content":{"rendered":"<p>Une \u00e9tude r\u00e9cente de l\u2019USC fournit de nouvelles informations sur les raisons pour lesquelles le SARS-CoV-2, le virus \u00e0 l\u2019origine de la pand\u00e9mie de COVID-19, peut d\u2019abord provoquer des sympt\u00f4mes b\u00e9nins, puis, pour un sous-ensemble de patients, devenir potentiellement mortel une semaine environ apr\u00e8s l\u2019infection. Les chercheurs ont montr\u00e9 que des stades distincts de la maladie correspondent au coronavirus agissant diff\u00e9remment dans deux populations diff\u00e9rentes de cellules.<\/p>\n<p>L\u2019\u00e9tude, publi\u00e9e dans <em><a href=\"https:\/\/www.nature.com\/articles\/s41556-024-01388-w\" target=\"_blank\" lang=\"en\" rel=\"noopener\">Nature Cell Biology<\/a><\/em>, pourrait fournir une feuille de route pour lutter contre les temp\u00eates de cytokines et d\u2019autres r\u00e9actions immunitaires excessives qui provoquent une COVID-19 grave.<\/p>\n<p>L\u2019\u00e9quipe a d\u00e9couvert que lorsque le SARS-CoV-2 infecte ses cibles de premi\u00e8re phase, les cellules de la muqueuse pulmonaire, deux prot\u00e9ines virales circulent \u00e0 l\u2019int\u00e9rieur de ces cellules, l\u2019une qui agit pour activer le syst\u00e8me immunitaire et l\u2019autre qui, paradoxalement, bloque ce signal, entra\u00eenant peu ou pas d\u2019inflammation.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Une \u00e9tude r\u00e9cente de l\u2019USC fournit de nouvelles informations sur les raisons pour lesquelles le SARS-CoV-2, le virus \u00e0 l\u2019origine de la pand\u00e9mie de COVID-19, peut d\u2019abord provoquer des sympt\u00f4mes b\u00e9nins, puis, pour un sous-ensemble de patients, devenir potentiellement mortel une semaine environ apr\u00e8s l\u2019infection. Les chercheurs ont montr\u00e9 que des stades distincts de la maladie correspondent au coronavirus agissant diff\u00e9remment dans deux populations diff\u00e9rentes de cellules.<\/p>\n<p>L\u2019\u00e9tude, publi\u00e9e dans <em><a href=\"https:\/\/www.nature.com\/articles\/s41556-024-01388-w\" target=\"_blank\" lang=\"en\" rel=\"noopener\">Nature Cell Biology<\/a><\/em>, pourrait fournir une feuille de route pour lutter contre les temp\u00eates de cytokines et d\u2019autres r\u00e9actions immunitaires excessives qui provoquent une COVID-19 grave.<\/p>\n<p>L\u2019\u00e9quipe a d\u00e9couvert que lorsque le SARS-CoV-2 infecte ses cibles de premi\u00e8re phase, les cellules de la muqueuse pulmonaire, deux prot\u00e9ines virales circulent \u00e0 l\u2019int\u00e9rieur de ces cellules, l\u2019une qui agit pour activer le syst\u00e8me immunitaire et l\u2019autre qui, paradoxalement, bloque ce signal, entra\u00eenant peu ou pas d\u2019inflammation.<\/p>\n<div class=\"more-link-wrapper\"><a class=\"more-link\" href=\"https:\/\/stillcoviding.ca\/fr\/nouvelles\/covid-19-research-study-reveals-new-details-about-potentially-deadly-inflammation\/\">Lire la suite<span class=\"screen-reader-text\">COVID-19 research: Study reveals new details about potentially deadly inflammation<\/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":[16,499,67,1040,1042,1037,1038,7,12,205,1039,1041],"class_list":["post-4648","post","type-post","status-publish","format-standard","hentry","category-nouvelles","tag-covid-19","tag-cytokines","tag-inflammation","tag-keck-school-of-medicine","tag-keck-school-of-medicine-of-usc","tag-nsp14","tag-orf6","tag-recherche","tag-sras-cov-2","tag-systeme-immunitaire","tag-tempetes-de-cytokines","tag-university-of-southern-california","entry"],"_links":{"self":[{"href":"https:\/\/stillcoviding.ca\/fr\/wp-json\/wp\/v2\/posts\/4648","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=4648"}],"version-history":[{"count":2,"href":"https:\/\/stillcoviding.ca\/fr\/wp-json\/wp\/v2\/posts\/4648\/revisions"}],"predecessor-version":[{"id":4650,"href":"https:\/\/stillcoviding.ca\/fr\/wp-json\/wp\/v2\/posts\/4648\/revisions\/4650"}],"wp:attachment":[{"href":"https:\/\/stillcoviding.ca\/fr\/wp-json\/wp\/v2\/media?parent=4648"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stillcoviding.ca\/fr\/wp-json\/wp\/v2\/categories?post=4648"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/stillcoviding.ca\/fr\/wp-json\/wp\/v2\/tags?post=4648"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}