{"id":3280,"date":"2023-04-19T13:40:30","date_gmt":"2023-04-19T11:40:30","guid":{"rendered":"https:\/\/www.bordeaux-population-health.center\/?p=3280"},"modified":"2023-05-04T17:05:27","modified_gmt":"2023-05-04T15:05:27","slug":"publication-nature-medicine-etude-genomique-espaces-perivasculaires","status":"publish","type":"post","link":"https:\/\/www.bordeaux-population-health.center\/fr\/publication-nature-medicine-etude-genomique-espaces-perivasculaires\/","title":{"rendered":"Publication dans Nature Medicine :<br \/>Une vaste \u00e9tude g\u00e9nomique sur les espaces p\u00e9rivasculaires r\u00e9v\u00e8le des m\u00e9canismes impliqu\u00e9s pr\u00e9coc\u00e9ment dans la maladie des petites art\u00e8res c\u00e9r\u00e9brales."},"content":{"rendered":"<p><img decoding=\"async\" class=\"size-medium wp-image-2681 aligncenter\" style=\"width: 80%; margin-left: 10%; margin-bottom: 3em;\" src=\"https:\/\/www.bordeaux-population-health.center\/wp-content\/uploads\/2023\/04\/Perivascular_Space_Burden_Bandeau.jpg\" alt=\"\" \/><\/p>\n<div style=\"font-family: arial; font-size: 1.1em; margin-left: 10%; width: 80%;\">\n<p><strong>Les r\u00e9sultats d&rsquo;une vaste \u00e9tude g\u00e9nomique sur les espaces p\u00e9rivasculaires, coordonn\u00e9es par des chercheurs de l&rsquo;\u00e9quipe <a href=\"https:\/\/www.bordeaux-population-health.center\/the-teams\/eleanor\/\" target=\"_blank\" rel=\"noopener\">ELEANORE<\/a> et de l\u2019<a href=\"https:\/\/www.imn-bordeaux.org\/en\/the-institute\/\" target=\"_blank\" rel=\"noopener\">Institut des Maladies Neurod\u00e9g\u00e9n\u00e9ratives clinique<\/a> au CHU de Bordeaux, ont \u00e9t\u00e9 publi\u00e9s dans la revue <a href=\"https:\/\/www.nature.com\/articles\/s41591-023-02268-w\" target=\"_blank\" rel=\"noopener\">Nature Medicine<\/a>.<\/strong><\/p>\n<p><strong>L&rsquo;\u00e9tude r\u00e9v\u00e8le des m\u00e9canismes impliqu\u00e9s pr\u00e9cocement dans la maladie des petites art\u00e8res c\u00e9r\u00e9brales.<\/strong><\/p>\n<p style=\"margin-top: 2em;\">La Maladie des Petites Art\u00e8res C\u00e9r\u00e9brales (MPAC) est une maladie li\u00e9e \u00e0 l\u2019\u00e2ge qui r\u00e9sulte d\u2019une <strong>alt\u00e9ration de la structure et\/ou de la fonction des petites art\u00e8res<\/strong> charg\u00e9es d\u2019irriguer le cerveau. Elle est une <strong>cause majeure d&rsquo;accident vasculaire c\u00e9r\u00e9bral (AVC) et de d\u00e9mence<\/strong> pour laquelle il n\u2019existe actuellement aucun traitement m\u00e9dicamenteux sp\u00e9cifique.<br \/>\nParmi les l\u00e9sions c\u00e9r\u00e9brales qui la caract\u00e9risent se trouvent les <strong>espaces p\u00e9rivasculaires (EPV)<\/strong> d\u00e9tectables en IRM c\u00e9r\u00e9brale.<br \/>\nCes espaces remplis de liquide biologique entourent les vaisseaux sanguins pendant une courte distance quand ces derniers entrent dans le cerveau.<\/p>\n<p><img decoding=\"async\" class=\"size-medium wp-image-2681 aligncenter\" style=\"width: 50%; margin-left: 25%; margin-top: 2em;\" src=\"https:\/\/www.bordeaux-population-health.center\/wp-content\/uploads\/2023\/04\/Figure_IRM_Cerebral_2.jpg\" alt=\"\" \/><\/p>\n<div style=\"font-size: 0.8em; font-style: italic; width: 50%; margin-left: 25%; text-align: center; margin-bottom: 2em;\">IRM c\u00e9r\u00e9brale montrant une charge importante en espace p\u00e9rivasculaire dans la substance blanche<\/div>\n<p>Il s\u2019agit de la premi\u00e8re \u00e9tude g\u00e9nomique sur les EPV qui a permis d\u2019identifier 24 r\u00e9gions du g\u00e9nome associ\u00e9es \u00e0 une charge plus importante en EPV, sur plus de 40 000 participants. La majorit\u00e9 de ces r\u00e9gions, identifi\u00e9es chez des personnes \u00e2g\u00e9es de 65 ans en moyenne et principalement d\u2019origine europ\u00e9enne, \u00e9tait \u00e9galement associ\u00e9e avec les EPV dans deux \u00e9tudes de plus petite taille, incluant de jeunes adultes \u00e2g\u00e9s d\u2019une vingtaine d\u2019ann\u00e9es <a href=\"https:\/\/www.lab-sante-etudiants.fr\/projet\/sante-mentale-etudiants-i-share\/\" target=\"_blank\" rel=\"noopener\">(\u00e9tude i-share<\/a>) et des participants d&rsquo;Asie de l&rsquo;Est.<\/p>\n<p>Cette \u00e9tude a permis d\u2019identifier qu\u2019un grand nombre de g\u00e8nes associ\u00e9s aux EPV sont impliqu\u00e9s dans des maladies du d\u00e9veloppement c\u00e9r\u00e9bral et exprim\u00e9s dans des cellules vasculaires du cerveau avant la naissance, sugg\u00e9rant un lien entre ce marqueur de maladie des petites art\u00e8res c\u00e9r\u00e9brales et des processus d\u00e9veloppementaux. Des analyses bio-informatiques mettent en exergue une douzaine de g\u00e8nes \u00e0 explorer en priorit\u00e9 comme cible pour d\u00e9velopper de nouveaux traitements m\u00e9dicamenteux potentiels.<br \/>\nCes r\u00e9sultats mettent une lumi\u00e8re nouvelle sur l&rsquo;importance clinique des EPV et ouvrent de nouvelles voies pour les d\u00e9veloppements th\u00e9rapeutiques.<\/p>\n<div style=\"width: 90%; margin-left: 5%; margin-top: 2em;\"><span style=\"font-style: italic; color: #3ba18f;\">\u00ab\u00a0Cette \u00e9tude apporte un \u00e9clairage sans pr\u00e9c\u00e9dent sur les m\u00e9canismes biologiques sous-tendant la<br \/>\nmaladie des petites art\u00e8res c\u00e9r\u00e9brales sugg\u00e9rant qu\u2019ils pourraient possiblement \u00eatre li\u00e9s \u00e0 des<br \/>\nph\u00e9nom\u00e8nes beaucoup plus pr\u00e9coces que pr\u00e9c\u00e9demment suspect\u00e9. Ceci pourrait avoir des<br \/>\nimplications importantes pour les strat\u00e9gies de pr\u00e9vention de la maladie des petites art\u00e8res c\u00e9r\u00e9brales,<br \/>\ndes AVC et d\u00e9mences qui en d\u00e9coulent\u00a0\u00bb, <\/span><br \/>\nd\u00e9clare <strong>Stephanie Debette<\/strong>, professeur d&rsquo;\u00e9pid\u00e9miologie et neurologue \u00e0 l&rsquo;universit\u00e9 de Bordeaux et au CHU de Bordeaux, directrice du centre de recherche Bordeaux Population Health (Inserm\/Universit\u00e9 de Bordeaux) et auteur correspondant de l&rsquo;\u00e9tude.<\/div>\n<div style=\"width: 90%; margin-left: 5%; margin-top: 2em;\"><span style=\"font-style: italic; color: #3ba18f;\">\u00ab\u00a0Ces travaux fournissent des informations compl\u00e8tement nouvelles sur la biologie des EPV et leur contribution \u00e0 la maladie des petites art\u00e8res c\u00e9r\u00e9brales, une cause majeure d\u2019AVC et de d\u00e9mence dans le monde, donnant des pistes de priorisation de cibles m\u00e9dicamenteuses \u00e0 vis\u00e9e pr\u00e9ventive\u00a0\u00bb, <\/span><br \/>\ncommente <strong>Marie-Gabrielle Duperron<\/strong>, m\u00e9decin chercheur \u2013 chef de clinique Inserm-Bettencourt \u00e0 l&rsquo;Universit\u00e9 de Bordeaux, \u00e0 l&rsquo;Inserm et au CHU de Bordeaux, premier auteur de l&rsquo;\u00e9tude.<\/div>\n<div style=\"width: 90%; margin-left: 5%; margin-top: 2em;\"><span style=\"font-style: italic; color: #3ba18f;\">\u00ab\u00a0Il est important de noter que l&rsquo;intelligence artificielle et les approches d&rsquo;apprentissage automatique, tr\u00e8s r\u00e9cemment d\u00e9velopp\u00e9es par diff\u00e9rents membres de notre consortium, ont chang\u00e9 la donne dans cet effort, nous permettant d&rsquo;\u00e9valuer rapidement et de mani\u00e8re fiable la charge en EPV dans de tr\u00e8s grandes bases de donn\u00e9es diverses\u00a0\u00bb, <\/span> d\u00e9clare <strong>Hieab Adams<\/strong>, \u201dProfesseur de diversit\u00e9 g\u00e9n\u00e9tique \u00e0 BrainLat, Chili, et Erasmus MC, Pays-Bas\u201d, un autre auteur correspondant de l&rsquo;\u00e9tude.<\/div>\n<div style=\"width: 90%; margin-left: 5%; margin-top: 2em;\"><span style=\"font-style: italic; color: #3ba18f;\">\u00ab\u00a0Plus de 95 % des participants dans la recherche g\u00e9nomique sur les marqueurs d&rsquo;imagerie du vieillissement c\u00e9r\u00e9bral sont d&rsquo;origine europ\u00e9enne actuellement. L&rsquo;extension de ce projet \u00e0 la cohorte Nagahama, une vaste cohorte japonaise en population g\u00e9n\u00e9rale, est une \u00e9tape importante pour \u00e9tendre la recherche g\u00e9nomique sur le vieillissement vasculaire c\u00e9r\u00e9bral aux populations asiatiques\u00a0\u00bb, <\/span> d\u00e9clare <strong>Fumihiko Matsuda<\/strong>, professeur et directeur du Centre de M\u00e9decine G\u00e9nomique de l\u2019universit\u00e9 de Kyoto (Japon), un autre responsable de l&rsquo;\u00e9tude.<\/div>\n<p style=\"margin-top: 2em;\">Ces r\u00e9sultats de la premi\u00e8re \u00e9tude g\u00e9nomique sur les EPV ont \u00e9t\u00e9 publi\u00e9s aujourd&rsquo;hui, 17 avril 2023, dans la revue <a href=\"https:\/\/www.nature.com\/nm\/\" target=\"_blank\" rel=\"noopener\">Nature Medicine<\/a>. L&rsquo;\u00e9tude \u00e9tait bas\u00e9e sur des \u00e9chantillons d&rsquo;ADN de plus de 40 000 participants provenant de nombreuses cohortes et biobanques en population g\u00e9n\u00e9rale du monde entier, participant \u00e0 diff\u00e9rents consortiums scientifiques internationaux (CHARGE, BRIDGET et ISGC).<br \/>\nElle a \u00e9t\u00e9 rendue possible par de nombreux financements pour la recherche, dont notamment le <a href=\"https:\/\/rhu-shiva.com\/en\/\" target=\"_blank\" rel=\"noopener\">RHU SHIVA<\/a>, qui b\u00e9n\u00e9ficie d\u2019une aide de l\u2019\u00c9tat g\u00e9r\u00e9e par l\u2019Agence Nationale de la Recherche (ANR) au titre du programme investissements d\u2019avenir.<\/p>\n<p>Ce projet collaboratif a \u00e9t\u00e9 coordonn\u00e9 par des chercheurs du centre <a href=\"https:\/\/www.bordeaux-population-health.center\/\" target=\"_blank\" rel=\"noopener\">Bordeaux Population Health<\/a> (Universit\u00e9 de Bordeaux et Inserm U1219) et de l\u2019<a href=\"https:\/\/www.imn-bordeaux.org\/en\/\" target=\"_blank\" rel=\"noopener\">Institut des Maladies Neurod\u00e9g\u00e9n\u00e9ratives clinique<\/a> au CHU de Bordeaux. Il a \u00e9t\u00e9 co-coordonn\u00e9 par des chercheurs du <a href=\"https:\/\/brainlat.uai.cl\/\" target=\"_blank\" rel=\"noopener\">Latin American Brain Health<\/a> (BrainLat), l&rsquo;<a href=\"https:\/\/www.usc.gal\/en\" target=\"_blank\" rel=\"noopener\">Institute de l&rsquo;Universit\u00e9 Adolfo Ib\u00e1\u00f1ez<\/a> de Santiago (Chili) et <a href=\"https:\/\/www.erasmusmc.nl\/en\/\" target=\"_blank\" rel=\"noopener\">Erasmus MC University Medical Center<\/a> \u00e0 Rotterdam (Pays-Bas), en collaboration \u00e9troite avec des \u00e9quipes de recherche du <a href=\"https:\/\/biggsinstitute.org\/\" target=\"_blank\" rel=\"noopener\">Biggs Institute<\/a>, <a href=\"https:\/\/www.uth.edu\/\" target=\"_blank\" rel=\"noopener\">UT Health San Antonio<\/a> (\u00c9tats-Unis), de l&rsquo;<a href=\"https:\/\/www.ed.ac.uk\/\" target=\"_blank\" rel=\"noopener\">Universit\u00e9 d&rsquo;\u00c9dimbourg<\/a> (Royaume-Uni) et de l&rsquo;<a href=\"https:\/\/www.kyoto-u.ac.jp\/en\" target=\"_blank\" rel=\"noopener\">Universit\u00e9 de Kyoto<\/a> (Japon).<\/p>\n<p style=\"margin-top: 2em;\"><strong><span style=\"color: #008871;\">Link to publication<\/span><\/strong><br \/>\n<a href=\"https:\/\/www.nature.com\/articles\/s41591-023-02268-w\" target=\"_blank\" rel=\"noopener\"><strong>Genomics of perivascular space burden unravels early mechanisms of cerebral small vessel disease<\/strong><\/a><br \/>\n(2023).<br \/>\nMarie-Gabrielle Duperron, Maria J. Knol, Quentin Le Grand, Tavia E. Evans, Aniket Mishra, Ami<br \/>\nTsuchida, et al. Nature Medicine. doi : 10.1038\/s41591-023-02268-w<\/p>\n<p style=\"margin-top: 1em;\"><strong><span style=\"color: #008871;\">Note de recherche (r\u00e9sum\u00e9)<\/span><\/strong><br \/>\n<a href=\"https:\/\/rdcu.be\/c9O2T\" target=\"_blank\" rel=\"noopener\"><strong>https:\/\/rdcu.be\/c9O2T<\/strong><\/a>\n<\/p>\n<p style=\"margin-top: 1em;\"><strong><span style=\"margin-top: 2em; color: #008871;\">More information<\/span><\/strong><br \/>\n<strong>Pr. <a href=\"https:\/\/www.bordeaux-population-health.center\/about-us\/\" target=\"_blank\" rel=\"noopener\">St\u00e9phanie Debette<\/a><\/strong><br \/>\nUniversit\u00e9 de Bordeaux, Inserm, Centre de recherche en sant\u00e9 des populations de Bordeaux, UMR 1219<br \/>\nService de neurologie, CHU de Bordeaux<br \/>\n146, rue L\u00e9o Saignat, 33076 Bordeaux, France<br \/>\nCourriel : stephanie.debette@u-bordeaux.fr<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Les r\u00e9sultats d&rsquo;une vaste \u00e9tude g\u00e9nomique sur les espaces p\u00e9rivasculaires, coordonn\u00e9es par des chercheurs de l&rsquo;\u00e9quipe ELEANORE et de l\u2019Institut des Maladies Neurod\u00e9g\u00e9n\u00e9ratives clinique au CHU de Bordeaux, ont \u00e9t\u00e9 publi\u00e9s dans la revue Nature Medicine. L&rsquo;\u00e9tude r\u00e9v\u00e8le des m\u00e9canismes impliqu\u00e9s pr\u00e9cocement dans la maladie des petites art\u00e8res c\u00e9r\u00e9brales. La Maladie des Petites Art\u00e8res C\u00e9r\u00e9brales [&hellip;]<\/p>\n","protected":false},"author":613,"featured_media":3263,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[25],"tags":[],"class_list":["post-3280","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-revue-de-presse"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Publication dans Nature Medicine :Une vaste \u00e9tude g\u00e9nomique sur les espaces p\u00e9rivasculaires r\u00e9v\u00e8le des m\u00e9canismes impliqu\u00e9s pr\u00e9coc\u00e9ment dans la maladie des petites art\u00e8res c\u00e9r\u00e9brales. | Bordeaux population health<\/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.bordeaux-population-health.center\/fr\/publication-nature-medicine-etude-genomique-espaces-perivasculaires\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Publication dans Nature Medicine :Une vaste \u00e9tude g\u00e9nomique sur les espaces p\u00e9rivasculaires r\u00e9v\u00e8le des m\u00e9canismes impliqu\u00e9s pr\u00e9coc\u00e9ment dans la maladie des petites art\u00e8res c\u00e9r\u00e9brales. | Bordeaux population health\" \/>\n<meta property=\"og:description\" content=\"Les r\u00e9sultats d&rsquo;une vaste \u00e9tude g\u00e9nomique sur les espaces p\u00e9rivasculaires, coordonn\u00e9es par des chercheurs de l&rsquo;\u00e9quipe ELEANORE et de l\u2019Institut des Maladies Neurod\u00e9g\u00e9n\u00e9ratives clinique au CHU de Bordeaux, ont \u00e9t\u00e9 publi\u00e9s dans la revue Nature Medicine. L&rsquo;\u00e9tude r\u00e9v\u00e8le des m\u00e9canismes impliqu\u00e9s pr\u00e9cocement dans la maladie des petites art\u00e8res c\u00e9r\u00e9brales. La Maladie des Petites Art\u00e8res C\u00e9r\u00e9brales [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.bordeaux-population-health.center\/fr\/publication-nature-medicine-etude-genomique-espaces-perivasculaires\/\" \/>\n<meta property=\"og:site_name\" content=\"Bordeaux population health\" \/>\n<meta property=\"article:published_time\" content=\"2023-04-19T11:40:30+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-05-04T15:05:27+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.bordeaux-population-health.center\/wp-content\/uploads\/2023\/04\/Perivascular_Space_Burden_Vignette.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"819\" \/>\n\t<meta property=\"og:image:height\" content=\"443\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Nicolas Koskas\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Nicolas Koskas\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.bordeaux-population-health.center\\\/fr\\\/publication-nature-medicine-etude-genomique-espaces-perivasculaires\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.bordeaux-population-health.center\\\/fr\\\/publication-nature-medicine-etude-genomique-espaces-perivasculaires\\\/\"},\"author\":{\"name\":\"Nicolas Koskas\",\"@id\":\"https:\\\/\\\/www.bordeaux-population-health.center\\\/#\\\/schema\\\/person\\\/f2fdc07742e044bb0a3193dc1f103183\"},\"headline\":\"Publication dans Nature Medicine : Une vaste \u00e9tude g\u00e9nomique sur les espaces p\u00e9rivasculaires r\u00e9v\u00e8le des m\u00e9canismes 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