{"id":1331,"date":"2018-05-15T17:51:15","date_gmt":"2018-05-15T15:51:15","guid":{"rendered":"http:\/\/www.fonds-alienor.fr\/?p=1331"},"modified":"2021-04-20T17:04:17","modified_gmt":"2021-04-20T15:04:17","slug":"projet-de-recherche-sur-les-meningiomes-des-resultats-tres-positifs","status":"publish","type":"post","link":"https:\/\/www.fonds-alienor.fr\/en\/projet-de-recherche-sur-les-meningiomes-des-resultats-tres-positifs\/","title":{"rendered":"Projet de recherche sur les m\u00e9ningiomes : des r\u00e9sultats tr\u00e8s positifs"},"content":{"rendered":"<figure id=\"attachment_1332\" aria-describedby=\"caption-attachment-1332\" style=\"width: 400px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.fonds-alienor.fr\/wp-content\/uploads\/2018\/05\/portet_sylvain-labo.jpg\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" class=\"wp-image-1332\" src=\"https:\/\/www.fonds-alienor.fr\/wp-content\/uploads\/2018\/05\/portet_sylvain-labo.jpg\" alt=\"Sylvain Portet, chercheur et interne de neurochirurgie au CHU de Poitiers\" width=\"400\" height=\"267\" srcset=\"https:\/\/www.fonds-alienor.fr\/wp-content\/uploads\/2018\/05\/portet_sylvain-labo.jpg 800w, https:\/\/www.fonds-alienor.fr\/wp-content\/uploads\/2018\/05\/portet_sylvain-labo-300x200.jpg 300w, https:\/\/www.fonds-alienor.fr\/wp-content\/uploads\/2018\/05\/portet_sylvain-labo-768x512.jpg 768w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><figcaption id=\"caption-attachment-1332\" class=\"wp-caption-text\">Sylvain Portet, chercheur et interne de neurochirurgie au CHU de Poitiers<\/figcaption><\/figure>\n<p>Le projet de recherche sur les m\u00e9ningiomes, l\u2019une des tumeurs c\u00e9r\u00e9brales de l\u2019adulte les plus fr\u00e9quentes, est en cours de publication. R\u00e9alis\u00e9 par le Dr Sylvain Portet, interne en neurochirurgie au CHU de Poitiers, sous la supervision du Pr Benoit Bataille, chef du<a href=\"http:\/\/www.chu-poitiers.fr\/specialites\/neurochirurgie\/\" target=\"_blank\" rel=\"noopener\"> service de neurochirurgie<\/a>, du Pr Lucie Karayan-Tapon, cheffe du\u00a0<a href=\"http:\/\/www.chu-poitiers.fr\/specialites\/cancerologie-biologique\/\" target=\"_blank\" rel=\"noopener\">service de canc\u00e9rologie biologique<\/a>, et avec l\u2019aide de Rania Naoufal, ing\u00e9nieure-technicienne, Ga\u00eblle Tachon, assistante hospitalo-universitaire, Amir Naar, bio-informaticien, Serge Milin, anatomopathologiste, et Ana\u00efs Chalant, statisticienne, les r\u00e9sultats sont tr\u00e8s positifs.<\/p>\n<p>L\u2019\u00e9tude a consist\u00e9 en l\u2019analyse de trente \u00e9chantillons de tumeurs d\u00e9velopp\u00e9es sous ac\u00e9tate de cyprot\u00e9rone provenant des tumoroth\u00e8ques du CHU de Poitiers et de la fondation Rothschild, \u00e0 Paris. Sylvain Portet et ses collaborateurs ont extrait, quantifi\u00e9 et concentr\u00e9 l\u2019ADN de ces tumeurs. &#8220;Nous avons ensuite utilis\u00e9 deux techniques de biologie mol\u00e9culaire sur cet ADN, explique le Dr Portet\u00a0: l\u2019hybridation g\u00e9nomique comparative, pour \u00e9valuer le profil chromosomique de ces tumeurs, et le s\u00e9quen\u00e7age g\u00e9nomique haut d\u00e9bit, pour rechercher des mutations g\u00e9n\u00e9tiques connues pour \u00eatre impliqu\u00e9es dans le d\u00e9veloppement tumoral.&#8221;<\/p>\n<p><strong>Des traitements possibles<\/strong><br \/>\nLes r\u00e9sultats ont ensuite \u00e9t\u00e9 compar\u00e9s avec ceux d\u2019une \u00e9quipe de recherche am\u00e9ricaine qui a travaill\u00e9 sur des m\u00e9ningiomes d\u00e9velopp\u00e9s chez des patients non expos\u00e9s \u00e0 l\u2019ac\u00e9tate de cyprot\u00e9rone (m\u00e9ningiomes contr\u00f4les), pour voir s\u2019il y avait des anomalies chromosomiques et\/ou des mutations g\u00e9n\u00e9tiques qui ressortaient. &#8220;Au terme de notre \u00e9tude, il appara\u00eet qu\u2019une voie mol\u00e9culaire est plus alt\u00e9r\u00e9e dans les tumeurs d\u00e9velopp\u00e9es sous ac\u00e9tate de cyprot\u00e9rone que dans la population contr\u00f4le. Cette voie pourrait jouer un r\u00f4le dans l\u2019interaction avec l\u2019ac\u00e9tate de cyprot\u00e9rone&#8221;, indique le chercheur. Cette \u00e9tude a donc permis d\u2019identifier des mutations g\u00e9n\u00e9tiques qui peuvent \u00eatre la cible de traitements.<\/p>\n<p>Apr\u00e8s la publication de ces recherches, le Dr Portet souhaite poursuivre ses travaux sur les m\u00e9ningiomes dans le cadre d\u2019une th\u00e8se de neurochirurgie avec, en perspective, des tests en culture cellulaire visant \u00e0 \u00e9valuer l\u2019inhibition de la croissance des m\u00e9ningiomes. Si ce nouveau projet de recherche est concluant, un essai clinique pourrait \u00eatre envisag\u00e9.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le projet de recherche sur les m\u00e9ningiomes, l\u2019une des tumeurs c\u00e9r\u00e9brales de l\u2019adulte les plus fr\u00e9quentes, est en cours de publication. R\u00e9alis\u00e9 par le Dr Sylvain Portet, interne en neurochirurgie au CHU de Poitiers, sous la supervision du Pr Benoit Bataille, chef du service de neurochirurgie, du Pr Lucie Karayan-Tapon, cheffe du\u00a0service de canc\u00e9rologie biologique, [&hellip;]<\/p>\n","protected":false},"author":13,"featured_media":1332,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1331","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-classe"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Projet de recherche sur les m\u00e9ningiomes : des r\u00e9sultats tr\u00e8s positifs - Fonds Ali\u00e9nor<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.fonds-alienor.fr\/projet-de-recherche-sur-les-meningiomes-des-resultats-tres-positifs\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Projet de recherche sur les m\u00e9ningiomes : des r\u00e9sultats tr\u00e8s positifs - Fonds Ali\u00e9nor\" \/>\n<meta property=\"og:description\" content=\"Le projet de recherche sur les m\u00e9ningiomes, l\u2019une des tumeurs c\u00e9r\u00e9brales de l\u2019adulte les plus fr\u00e9quentes, est en cours de publication. 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