{"id":185357,"date":"2020-07-23T19:44:08","date_gmt":"2020-07-23T18:44:08","guid":{"rendered":"https:\/\/www.realites.com.tn\/?p=185357"},"modified":"2020-07-23T19:44:08","modified_gmt":"2020-07-23T18:44:08","slug":"un-test-sanguin-capable-de-detecter-le-cancer-quatre-ans-avant-son-apparition","status":"publish","type":"post","link":"https:\/\/realites.com.tn\/fr\/un-test-sanguin-capable-de-detecter-le-cancer-quatre-ans-avant-son-apparition\/","title":{"rendered":"Un test sanguin capable de d\u00e9tecter le cancer quatre ans avant son apparition"},"content":{"rendered":"<div>Une \u00e9quipe internationale travaille actuellement \u00e0 l\u2019\u00e9laboration d\u2019un test de diagnostic pouvant d\u00e9pister un cancer avant m\u00eame que le patient ressente les premiers sympt\u00f4mes de la maladie.<\/div>\n<div>D\u00e9tecter un cancer avant m\u00eame qu\u2019il se d\u00e9clare, c\u2019est le combat quotidien de nombreux chercheurs. Pour une \u00e9quipe internationale, le d\u00e9fi est en passe d\u2019\u00eatre relev\u00e9. Un test, baptis\u00e9 PanSeer, permettrait de d\u00e9tecter cinq types de cancers jusqu\u2019\u00e0 quatre ans avant le diagnostic. Ce test sanguin non-invasif concernant cinq cancers pr\u00e9cis : ceux de l&rsquo;estomac, de l&rsquo;\u0153sophage, colorectal, du poumon et du foie. Ces conclusions ont \u00e9t\u00e9 publi\u00e9es dans la revue Nature Communications.<\/div>\n<div>Au cours des essais, ce nouveau dispositif a permis de d\u00e9tecter un cancer dans 91% des \u00e9chantillons pr\u00e9lev\u00e9s. Toutes les personnes \u00e9taient asymptomatiques au moment du pr\u00e9l\u00e8vement, elles ont re\u00e7u un diagnostic de cancer quatre ann\u00e9es apr\u00e8s. Tous les \u00e9chantillons ont \u00e9t\u00e9 collect\u00e9s dans le cadre d&rsquo;une \u00e9tude longitudinale de 10 ans lanc\u00e9e en 2007 par l&rsquo;Universit\u00e9 de Fudan en Chine.<\/div>\n<div>L\u2019\u00e9tude, publi\u00e9e sur le site de l\u2019UC San Diego, rapporte que le test a permis de d\u00e9tecter avec pr\u00e9cision le cancer dans 88% des \u00e9chantillons de 113 patients. Ces derniers avaient \u00e9t\u00e9 diagnostiqu\u00e9s lors du pr\u00e9l\u00e8vement des \u00e9chantillons. Le test a \u00e9galement reconnu des \u00e9chantillons, sans cancer, 95% du temps. Les chercheurs soulignent que cette \u00e9tude est unique car l\u2019\u00e9quipe a eu acc\u00e8s \u00e0 des \u00e9chantillons de sang de patients asymptomatiques et n&rsquo;ayant pas encore \u00e9t\u00e9 diagnostiqu\u00e9s.<\/div>\n<div><\/div>\n<div><strong>*R\u00e9aliser un test annuel<\/strong><\/div>\n<div>Gr\u00e2ce \u00e0 cette \u00e9tude, les scientifiques ont d\u00e9velopp\u00e9 un test capable d\u2019identifier des marqueurs beaucoup plus t\u00f4t que les m\u00e9thodes de diagnostic actuelles. \u201cLe but ultime serait d&rsquo;effectuer des tests sanguins comme celui-ci r\u00e9guli\u00e8rement lors du bilan de sant\u00e9 annuel\u201d, a confi\u00e9 Kun Zhang, l&rsquo;un des auteurs correspondants de l&rsquo;article et professeur et directeur du d\u00e9partement de bio-ing\u00e9nierie \u00e0 l&rsquo;Universit\u00e9 de Californie \u00e0 San Diego, cit\u00e9 par l\u2019universit\u00e9. \u201cMais l&rsquo;objectif imm\u00e9diat est de tester les personnes \u00e0 risque plus \u00e9lev\u00e9, en fonction des ant\u00e9c\u00e9dents familiaux, de l&rsquo;\u00e2ge ou d&rsquo;autres facteurs de risque connus\u201d.<\/div>\n<div>Selon les chercheurs, le test identifie probablement les patients qui ont d\u00e9j\u00e0 des traces du cancer mais qui ne sont pas encore visibles pour les d\u00e9tections actuelles. L&rsquo;\u00e9quipe a conclu que d&rsquo;autres \u00e9tudes \u00e0 grande \u00e9chelle sont n\u00e9cessaires pour confirmer le potentiel de cette nouvelle approche. La d\u00e9tection pr\u00e9coce d\u2019un cancer repr\u00e9sente une \u00e9tape essentielle car elle permet de mettre en place un traitement adapt\u00e9 rapide et, ainsi, d\u2019augmenter la survie des patients.<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Une \u00e9quipe internationale travaille actuellement \u00e0 l\u2019\u00e9laboration d\u2019un test de diagnostic pouvant d\u00e9pister un cancer avant m\u00eame que le patient ressente les premiers sympt\u00f4mes de la maladie. D\u00e9tecter un cancer&hellip;<\/p>\n","protected":false},"author":60,"featured_media":185358,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[2515],"tags":[],"class_list":["post-185357","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sante"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Un test sanguin capable de d\u00e9tecter le cancer quatre ans avant son apparition - R\u00e9alit\u00e9s Magazine<\/title>\n<meta name=\"description\" content=\"Une \u00e9quipe internationale travaille actuellement \u00e0 l\u2019\u00e9laboration d\u2019un test de diagnostic pouvant d\u00e9pister un cancer avant m\u00eame que le patient ressente les\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/realites.com.tn\/fr\/un-test-sanguin-capable-de-detecter-le-cancer-quatre-ans-avant-son-apparition\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Un test sanguin capable de d\u00e9tecter le cancer quatre ans avant son apparition - 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