{"id":18352,"date":"2026-04-27T19:55:07","date_gmt":"2026-04-27T19:55:07","guid":{"rendered":"https:\/\/www.colorectalcancercanada.com\/?p=18352"},"modified":"2026-04-27T19:55:59","modified_gmt":"2026-04-27T19:55:59","slug":"un-nouveau-test-de-selles-promet-de-faciliter-le-depistage-du-cancer-colorectal","status":"publish","type":"post","link":"https:\/\/www.colorectalcancercanada.com\/fr\/non-classifiee\/un-nouveau-test-de-selles-promet-de-faciliter-le-depistage-du-cancer-colorectal\/","title":{"rendered":"Un nouveau test de selles promet de faciliter le d\u00e9pistage du cancer colorectal"},"content":{"rendered":"<p><span data-contrast=\"auto\">Mai\u00a02026<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559685&quot;:0,&quot;335559737&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:278}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Des\u00a0chercheurs\u00a0de\u00a0l&rsquo;Universit\u00e9\u00a0de Gen\u00e8ve\u00a0ont\u00a0mis au point\u00a0une\u00a0nouvelle\u00a0m\u00e9thode\u00a0non invasive\u00a0permettant\u00a0de\u00a0d\u00e9tecter\u00a0le cancer colorectal \u00e0\u00a0partir\u00a0d&rsquo;un simple\u00a0\u00e9chantillon\u00a0de\u00a0selles. Cette\u00a0approche\u00a0utilise\u00a0l&rsquo;intelligence\u00a0artificielle\u00a0pour analyser la\u00a0flore\u00a0intestinale\u00a0avec\u00a0une\u00a0pr\u00e9cision\u00a0bien sup\u00e9rieure \u00e0\u00a0celle\u00a0obtenue\u00a0jusqu&rsquo;\u00e0\u00a0pr\u00e9sent.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Le cancer colorectal est\u00a0l\u2019une\u00a0des\u00a0principales\u00a0causes de\u00a0d\u00e9c\u00e8s\u00a0li\u00e9s\u00a0au cancer dans le monde,\u00a0mais\u00a0il est\u00a0souvent\u00a0traitable\u00a0lorsqu\u2019il\u00a0est\u00a0d\u00e9tect\u00e9\u00a0\u00e0 un\u00a0stade\u00a0pr\u00e9coce. Au Canada, le\u00a0d\u00e9pistage\u00a0du cancer colorectal est\u00a0effectu\u00e9\u00a0\u00e0\u00a0l\u2019aide\u00a0du test\u00a0immunochimique\u00a0f\u00e9cal\u00a0(FIT) pour les\u00a0personnes\u00a0\u00e0\u00a0risque\u00a0moyen, et la\u00a0coloscopie\u00a0est\u00a0principalement\u00a0utilis\u00e9e\u00a0comme\u00a0examen de\u00a0suivi\u00a0en\u00a0cas\u00a0de\u00a0r\u00e9sultats\u00a0positifs\u00a0au FIT.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Cette nouvelle\u00a0m\u00e9thode\u00a0de\u00a0d\u00e9pistage\u00a0s&rsquo;int\u00e9resse\u00a0au microbiome intestinal,\u00a0l&rsquo;ensemble\u00a0des\u00a0bact\u00e9ries\u00a0vivant dans le\u00a0syst\u00e8me\u00a0digestif. Au lieu\u00a0d&rsquo;\u00e9tudier\u00a0les\u00a0bact\u00e9ries\u00a0\u00e0 un\u00a0niveau\u00a0global, les\u00a0chercheurs\u00a0se\u00a0sont\u00a0concentr\u00e9s\u00a0sur des sous-groupes\u00a0plus petits\u00a0appel\u00e9s\u00a0\u00ab sous-esp\u00e8ces\u00a0\u00bb, qui\u00a0peuvent\u00a0se\u00a0comporter\u00a0diff\u00e9remment\u00a0et\u00a0\u00eatre\u00a0plus\u00a0\u00e9troitement\u00a0li\u00e9s\u00a0\u00e0 la\u00a0maladie.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Gr\u00e2ce\u00a0\u00e0\u00a0cette\u00a0approche,\u00a0l&rsquo;\u00e9quipe\u00a0a\u00a0cr\u00e9\u00e9\u00a0une\u00a0carte\u00a0d\u00e9taill\u00e9e\u00a0des\u00a0bact\u00e9ries\u00a0intestinales\u00a0et a\u00a0\u00e9labor\u00e9\u00a0un\u00a0mod\u00e8le\u00a0capable de\u00a0d\u00e9tecter\u00a0le cancer colorectal \u00e0\u00a0partir\u00a0d&rsquo;\u00e9chantillons\u00a0de\u00a0selles.\u00a0D&rsquo;apr\u00e8s\u00a0les premiers\u00a0r\u00e9sultats, le test a\u00a0correctement\u00a0identifi\u00e9\u00a0environ 90 % des\u00a0cas\u00a0de cancer, un\u00a0taux\u00a0proche\u00a0des 94 % de la\u00a0coloscopie\u00a0et sup\u00e9rieur \u00e0\u00a0celui\u00a0des tests non\u00a0invasifs\u00a0sur les\u00a0selles\u00a0actuellement\u00a0disponibles.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">\u00c0\u00a0l&rsquo;avenir,\u00a0ce\u00a0type de test\u00a0pourrait\u00a0\u00eatre\u00a0utilis\u00e9\u00a0comme\u00a0outil\u00a0de\u00a0d\u00e9pistage\u00a0de routine, la\u00a0coloscopie\u00a0\u00e9tant\u00a0r\u00e9serv\u00e9e\u00a0\u00e0 la confirmation des\u00a0r\u00e9sultats\u00a0positifs. Cela\u00a0pourrait\u00a0rendre\u00a0le\u00a0d\u00e9pistage\u00a0plus accessible et\u00a0am\u00e9liorer\u00a0la\u00a0d\u00e9tection\u00a0pr\u00e9coce.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Un\u00a0essai\u00a0clinique\u00a0est\u00a0en\u00a0cours\u00a0de planification\u00a0afin\u00a0de\u00a0mieux\u00a0comprendre\u00a0l&rsquo;efficacit\u00e9\u00a0du test aux\u00a0diff\u00e9rents\u00a0stades\u00a0du cancer. Les\u00a0chercheurs\u00a0estiment\u00a0\u00e9galement\u00a0que\u00a0cette\u00a0m\u00e9thode\u00a0pourrait\u00a0\u00e0\u00a0terme\u00a0\u00eatre\u00a0utilis\u00e9e\u00a0pour\u00a0d\u00e9tecter\u00a0d&rsquo;autres\u00a0maladies,\u00a0en\u00a0utilisant\u00a0le\u00a0m\u00eame\u00a0type\u00a0d&rsquo;analyse\u00a0du microbiome.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Source :\u00a0https:\/\/www.unige.ch\/medias\/2025\/detecter-le-cancer-colorectal-grace-aux-bacteries-intestinales<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mai\u00a02026\u00a0 Des\u00a0chercheurs\u00a0de\u00a0l&rsquo;Universit\u00e9\u00a0de Gen\u00e8ve\u00a0ont\u00a0mis au point\u00a0une\u00a0nouvelle\u00a0m\u00e9thode\u00a0non invasive\u00a0permettant\u00a0de\u00a0d\u00e9tecter\u00a0le cancer colorectal \u00e0\u00a0partir\u00a0d&rsquo;un simple\u00a0\u00e9chantillon\u00a0de\u00a0selles. Cette\u00a0approche\u00a0utilise\u00a0l&rsquo;intelligence\u00a0artificielle\u00a0pour analyser la\u00a0flore\u00a0intestinale\u00a0avec\u00a0une\u00a0pr\u00e9cision\u00a0bien sup\u00e9rieure \u00e0\u00a0celle\u00a0obtenue\u00a0jusqu&rsquo;\u00e0\u00a0pr\u00e9sent.\u00a0 Le cancer colorectal est\u00a0l\u2019une\u00a0des\u00a0principales\u00a0causes de\u00a0d\u00e9c\u00e8s\u00a0li\u00e9s\u00a0au cancer dans le monde,\u00a0mais\u00a0il est\u00a0souvent\u00a0traitable\u00a0lorsqu\u2019il\u00a0est\u00a0d\u00e9tect\u00e9\u00a0\u00e0 un\u00a0stade\u00a0pr\u00e9coce. Au Canada, le\u00a0d\u00e9pistage\u00a0du cancer colorectal est\u00a0effectu\u00e9\u00a0\u00e0\u00a0l\u2019aide\u00a0du test\u00a0immunochimique\u00a0f\u00e9cal\u00a0(FIT) pour les\u00a0personnes\u00a0\u00e0\u00a0risque\u00a0moyen, et la\u00a0coloscopie\u00a0est\u00a0principalement\u00a0utilis\u00e9e\u00a0comme\u00a0examen de\u00a0suivi\u00a0en\u00a0cas\u00a0de\u00a0r\u00e9sultats\u00a0positifs\u00a0au FIT.\u00a0 Cette nouvelle\u00a0m\u00e9thode\u00a0de\u00a0d\u00e9pistage\u00a0s&rsquo;int\u00e9resse\u00a0au microbiome intestinal,\u00a0l&rsquo;ensemble\u00a0des\u00a0bact\u00e9ries\u00a0vivant dans le\u00a0syst\u00e8me\u00a0digestif. Au lieu\u00a0d&rsquo;\u00e9tudier\u00a0les\u00a0bact\u00e9ries\u00a0\u00e0 un\u00a0niveau\u00a0global, les\u00a0chercheurs\u00a0se\u00a0sont\u00a0concentr\u00e9s\u00a0sur des <a href=\"https:\/\/www.colorectalcancercanada.com\/fr\/non-classifiee\/un-nouveau-test-de-selles-promet-de-faciliter-le-depistage-du-cancer-colorectal\/\">&#8230;<\/a><\/p>\n","protected":false},"author":5,"featured_media":18358,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_price":"","_stock":"","_tribe_ticket_header":"","_tribe_default_ticket_provider":"","_tribe_ticket_capacity":"","_ticket_start_date":"","_ticket_end_date":"","_tribe_ticket_show_description":"","_tribe_ticket_show_not_going":false,"_tribe_ticket_use_global_stock":"","_tribe_ticket_global_stock_level":"","_global_stock_mode":"","_global_stock_cap":"","_tribe_rsvp_for_event":"","_tribe_ticket_going_count":"","_tribe_ticket_not_going_count":"","_tribe_tickets_list":"[]","_tribe_ticket_has_attendee_info_fields":false,"footnotes":""},"categories":[12],"tags":[],"class_list":["post-18352","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-classifiee"],"_links":{"self":[{"href":"https:\/\/www.colorectalcancercanada.com\/fr\/wp-json\/wp\/v2\/posts\/18352","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.colorectalcancercanada.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.colorectalcancercanada.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.colorectalcancercanada.com\/fr\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.colorectalcancercanada.com\/fr\/wp-json\/wp\/v2\/comments?post=18352"}],"version-history":[{"count":1,"href":"https:\/\/www.colorectalcancercanada.com\/fr\/wp-json\/wp\/v2\/posts\/18352\/revisions"}],"predecessor-version":[{"id":18353,"href":"https:\/\/www.colorectalcancercanada.com\/fr\/wp-json\/wp\/v2\/posts\/18352\/revisions\/18353"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.colorectalcancercanada.com\/fr\/wp-json\/wp\/v2\/media\/18358"}],"wp:attachment":[{"href":"https:\/\/www.colorectalcancercanada.com\/fr\/wp-json\/wp\/v2\/media?parent=18352"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.colorectalcancercanada.com\/fr\/wp-json\/wp\/v2\/categories?post=18352"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.colorectalcancercanada.com\/fr\/wp-json\/wp\/v2\/tags?post=18352"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}