{"id":153041,"date":"2013-03-25T00:00:00","date_gmt":"2013-03-25T00:00:00","guid":{"rendered":"https:\/\/v2.optiknow.ca\/un-retinoblastome-nouveau-genre\/"},"modified":"2013-03-25T00:00:00","modified_gmt":"2013-03-25T00:00:00","slug":"un-retinoblastome-nouveau-genre","status":"publish","type":"post","link":"https:\/\/v2.optiknow.ca\/fr\/2013\/03\/25\/un-retinoblastome-nouveau-genre\/","title":{"rendered":"Un r\u00e9tinoblastome nouveau genre"},"content":{"rendered":"<p>\u00a0<\/p>\n<p>Une \u00e9quipe de chercheurs canadiens et internationaux a d\u00e9couvert un nouveau type de r\u00e9tinoblastome, ce cancer oculaire qui touche les b\u00e9b\u00e9s.<\/p>\n<p>\u00a0<\/p>\n<p>Les chercheurs ont d\u00e9montr\u00e9 qu'un unique g\u00e8ne canc\u00e9rig\u00e8ne (oncog\u00e8ne) m\u00e8ne \u00e0 un r\u00e9tinoblastome tr\u00e8s agressif, qui commence \u00e0 se d\u00e9velopper longtemps avant la naissance, chez des b\u00e9b\u00e9s issus de familles n'ayant aucun historique de cette maladie. Ces tumeurs sont beaucoup plus grosses que celles trouv\u00e9es chez les b\u00e9b\u00e9s du m\u00eame \u00e2ge souffrant d'un r\u00e9tinoblastome h\u00e9r\u00e9ditaire. Environ 2 % des patients seraient touch\u00e9s par cette forme de la maladie.<\/p>\n<p>\u00a0<\/p>\n<p>\u00ab\u00a0Nous avons longtemps cru que tous les r\u00e9tinoblastomes \u00e9taient caus\u00e9s par la perte du g\u00e8ne du r\u00e9tinoblastome\u00a0\u00bb, explique la D<sup>re<\/sup> Brenda Gallie, chercheuse principale et ophtalmologiste affili\u00e9e \u00e0 l'h\u00f4pital pour enfants malades (SickKids) et \u00e0 l'Universit\u00e9 de Toronto. \u00ab\u00a0Notre \u00e9tude d\u00e9montre que ce n'est pas si simple\u00a0: une nouvelle forme de r\u00e9tinoblastome, avec des g\u00e8nes du r\u00e9tinoblastome normaux, est plut\u00f4t conduit par des copies suppl\u00e9mentaires d'un puissant oncog\u00e8ne, ce qui am\u00e8ne le cancer \u00e0 grossir tr\u00e8s rapidement avant la naissance. L'\u00e2ge moyen du diagnostic est de quatre mois.\u00a0\u00bb<\/p>\n<p>\u00a0<\/p>\n<p>Le diagnostic survient g\u00e9n\u00e9ralement quand les parents observent une pupille blanche, plut\u00f4t que noire, chez leur enfant.<\/p>\n<p><\/p>\n<p>Source\u00a0:<\/p>\n<p><a title=\"Un r\u00e9tinoblastome nouveau genre \" href=\"http:\/\/www.sciencedaily.com\/releases\/2013\/03\/130312231012.htm\">http:\/\/www.sciencedaily.com\/releases\/2013\/03\/130312231012.htm<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0 Une \u00e9quipe de chercheurs canadiens et internationaux a d\u00e9couvert un nouveau type de r\u00e9tinoblastome, ce cancer oculaire qui touche les b\u00e9b\u00e9s. \u00a0 Les chercheurs ont d\u00e9montr\u00e9 qu'un unique g\u00e8ne [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_angie_page":false,"page_builder":"","footnotes":""},"categories":[23133],"tags":[],"class_list":["post-153041","post","type-post","status-publish","format-standard","hentry","category-nouvelles"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Un r\u00e9tinoblastome nouveau genre - OptikNow<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Un r\u00e9tinoblastome nouveau genre - OptikNow\" \/>\n<meta property=\"og:description\" content=\"\u00a0 Une \u00e9quipe de chercheurs canadiens et internationaux a d\u00e9couvert un nouveau type de r\u00e9tinoblastome, ce cancer oculaire qui touche les b\u00e9b\u00e9s. \u00a0 Les chercheurs ont d\u00e9montr\u00e9 qu&#039;un unique g\u00e8ne [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/v2.optiknow.ca\/fr\/2013\/03\/25\/un-retinoblastome-nouveau-genre\/\" \/>\n<meta property=\"og:site_name\" content=\"OptikNow\" \/>\n<meta property=\"article:published_time\" content=\"2013-03-25T00:00:00+00:00\" \/>\n<meta name=\"author\" content=\"Optiknow\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Optiknow\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/v2.optiknow.ca\\\/fr\\\/2013\\\/03\\\/25\\\/un-retinoblastome-nouveau-genre\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/v2.optiknow.ca\\\/fr\\\/2013\\\/03\\\/25\\\/un-retinoblastome-nouveau-genre\\\/\"},\"author\":{\"name\":\"Optiknow\",\"@id\":\"https:\\\/\\\/v2.optiknow.ca\\\/fr\\\/#\\\/schema\\\/person\\\/94d0fced8e14590d08b3c02ab7a8c150\"},\"headline\":\"Un r\u00e9tinoblastome nouveau genre\",\"datePublished\":\"2013-03-25T00:00:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/v2.optiknow.ca\\\/fr\\\/2013\\\/03\\\/25\\\/un-retinoblastome-nouveau-genre\\\/\"},\"wordCount\":248,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/v2.optiknow.ca\\\/fr\\\/#organization\"},\"articleSection\":[\"Nouvelles\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/v2.optiknow.ca\\\/fr\\\/2013\\\/03\\\/25\\\/un-retinoblastome-nouveau-genre\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/v2.optiknow.ca\\\/fr\\\/2013\\\/03\\\/25\\\/un-retinoblastome-nouveau-genre\\\/\",\"url\":\"https:\\\/\\\/v2.optiknow.ca\\\/fr\\\/2013\\\/03\\\/25\\\/un-retinoblastome-nouveau-genre\\\/\",\"name\":\"Un r\u00e9tinoblastome nouveau genre - OptikNow\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/v2.optiknow.ca\\\/fr\\\/#website\"},\"datePublished\":\"2013-03-25T00:00:00+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/v2.optiknow.ca\\\/fr\\\/2013\\\/03\\\/25\\\/un-retinoblastome-nouveau-genre\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/v2.optiknow.ca\\\/fr\\\/2013\\\/03\\\/25\\\/un-retinoblastome-nouveau-genre\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/v2.optiknow.ca\\\/fr\\\/2013\\\/03\\\/25\\\/un-retinoblastome-nouveau-genre\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/v2.optiknow.ca\\\/fr\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Un r\u00e9tinoblastome nouveau genre\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/v2.optiknow.ca\\\/fr\\\/#website\",\"url\":\"https:\\\/\\\/v2.optiknow.ca\\\/fr\\\/\",\"name\":\"OptikNow\",\"description\":\"Canadian Eye Care and Eyewear News for Eye Care Professionals\",\"publisher\":{\"@id\":\"https:\\\/\\\/v2.optiknow.ca\\\/fr\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/v2.optiknow.ca\\\/fr\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/v2.optiknow.ca\\\/fr\\\/#organization\",\"name\":\"OptikNow\",\"url\":\"https:\\\/\\\/v2.optiknow.ca\\\/fr\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/v2.optiknow.ca\\\/fr\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/v2.optiknow.ca\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/cropped-Optik-NOW_RGB.png\",\"contentUrl\":\"https:\\\/\\\/v2.optiknow.ca\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/cropped-Optik-NOW_RGB.png\",\"width\":1181,\"height\":250,\"caption\":\"OptikNow\"},\"image\":{\"@id\":\"https:\\\/\\\/v2.optiknow.ca\\\/fr\\\/#\\\/schema\\\/logo\\\/image\\\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/v2.optiknow.ca\\\/fr\\\/#\\\/schema\\\/person\\\/94d0fced8e14590d08b3c02ab7a8c150\",\"name\":\"Optiknow\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/c3d9d9d3666433885d21222832323ad61203639f9ec9a592770d278c8df76db1?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/c3d9d9d3666433885d21222832323ad61203639f9ec9a592770d278c8df76db1?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/c3d9d9d3666433885d21222832323ad61203639f9ec9a592770d278c8df76db1?s=96&d=mm&r=g\",\"caption\":\"Optiknow\"},\"sameAs\":[\"https:\\\/\\\/v2.optiknow.ca\"],\"url\":\"https:\\\/\\\/v2.optiknow.ca\\\/fr\\\/author\\\/optiknow\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Un r\u00e9tinoblastome nouveau genre - OptikNow","robots":{"index":"noindex","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"og_locale":"fr_FR","og_type":"article","og_title":"Un r\u00e9tinoblastome nouveau genre - OptikNow","og_description":"\u00a0 Une \u00e9quipe de chercheurs canadiens et internationaux a d\u00e9couvert un nouveau type de r\u00e9tinoblastome, ce cancer oculaire qui touche les b\u00e9b\u00e9s. \u00a0 Les chercheurs ont d\u00e9montr\u00e9 qu'un unique g\u00e8ne [&hellip;]","og_url":"https:\/\/v2.optiknow.ca\/fr\/2013\/03\/25\/un-retinoblastome-nouveau-genre\/","og_site_name":"OptikNow","article_published_time":"2013-03-25T00:00:00+00:00","author":"Optiknow","twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"Optiknow","Dur\u00e9e de lecture estim\u00e9e":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/v2.optiknow.ca\/fr\/2013\/03\/25\/un-retinoblastome-nouveau-genre\/#article","isPartOf":{"@id":"https:\/\/v2.optiknow.ca\/fr\/2013\/03\/25\/un-retinoblastome-nouveau-genre\/"},"author":{"name":"Optiknow","@id":"https:\/\/v2.optiknow.ca\/fr\/#\/schema\/person\/94d0fced8e14590d08b3c02ab7a8c150"},"headline":"Un r\u00e9tinoblastome nouveau genre","datePublished":"2013-03-25T00:00:00+00:00","mainEntityOfPage":{"@id":"https:\/\/v2.optiknow.ca\/fr\/2013\/03\/25\/un-retinoblastome-nouveau-genre\/"},"wordCount":248,"commentCount":0,"publisher":{"@id":"https:\/\/v2.optiknow.ca\/fr\/#organization"},"articleSection":["Nouvelles"],"inLanguage":"fr-FR","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/v2.optiknow.ca\/fr\/2013\/03\/25\/un-retinoblastome-nouveau-genre\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/v2.optiknow.ca\/fr\/2013\/03\/25\/un-retinoblastome-nouveau-genre\/","url":"https:\/\/v2.optiknow.ca\/fr\/2013\/03\/25\/un-retinoblastome-nouveau-genre\/","name":"Un r\u00e9tinoblastome nouveau genre - OptikNow","isPartOf":{"@id":"https:\/\/v2.optiknow.ca\/fr\/#website"},"datePublished":"2013-03-25T00:00:00+00:00","breadcrumb":{"@id":"https:\/\/v2.optiknow.ca\/fr\/2013\/03\/25\/un-retinoblastome-nouveau-genre\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/v2.optiknow.ca\/fr\/2013\/03\/25\/un-retinoblastome-nouveau-genre\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/v2.optiknow.ca\/fr\/2013\/03\/25\/un-retinoblastome-nouveau-genre\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/v2.optiknow.ca\/fr\/"},{"@type":"ListItem","position":2,"name":"Un r\u00e9tinoblastome nouveau genre"}]},{"@type":"WebSite","@id":"https:\/\/v2.optiknow.ca\/fr\/#website","url":"https:\/\/v2.optiknow.ca\/fr\/","name":"OptikNow","description":"Canadian Eye Care and Eyewear News for Eye Care Professionals","publisher":{"@id":"https:\/\/v2.optiknow.ca\/fr\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/v2.optiknow.ca\/fr\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/v2.optiknow.ca\/fr\/#organization","name":"OptikNow","url":"https:\/\/v2.optiknow.ca\/fr\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/v2.optiknow.ca\/fr\/#\/schema\/logo\/image\/","url":"https:\/\/v2.optiknow.ca\/wp-content\/uploads\/2025\/10\/cropped-Optik-NOW_RGB.png","contentUrl":"https:\/\/v2.optiknow.ca\/wp-content\/uploads\/2025\/10\/cropped-Optik-NOW_RGB.png","width":1181,"height":250,"caption":"OptikNow"},"image":{"@id":"https:\/\/v2.optiknow.ca\/fr\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/v2.optiknow.ca\/fr\/#\/schema\/person\/94d0fced8e14590d08b3c02ab7a8c150","name":"Optiknow","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/secure.gravatar.com\/avatar\/c3d9d9d3666433885d21222832323ad61203639f9ec9a592770d278c8df76db1?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/c3d9d9d3666433885d21222832323ad61203639f9ec9a592770d278c8df76db1?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/c3d9d9d3666433885d21222832323ad61203639f9ec9a592770d278c8df76db1?s=96&d=mm&r=g","caption":"Optiknow"},"sameAs":["https:\/\/v2.optiknow.ca"],"url":"https:\/\/v2.optiknow.ca\/fr\/author\/optiknow\/"}]}},"_links":{"self":[{"href":"https:\/\/v2.optiknow.ca\/fr\/wp-json\/wp\/v2\/posts\/153041","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/v2.optiknow.ca\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/v2.optiknow.ca\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/v2.optiknow.ca\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/v2.optiknow.ca\/fr\/wp-json\/wp\/v2\/comments?post=153041"}],"version-history":[{"count":0,"href":"https:\/\/v2.optiknow.ca\/fr\/wp-json\/wp\/v2\/posts\/153041\/revisions"}],"wp:attachment":[{"href":"https:\/\/v2.optiknow.ca\/fr\/wp-json\/wp\/v2\/media?parent=153041"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/v2.optiknow.ca\/fr\/wp-json\/wp\/v2\/categories?post=153041"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/v2.optiknow.ca\/fr\/wp-json\/wp\/v2\/tags?post=153041"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}