{"id":1030,"date":"2026-03-12T17:26:45","date_gmt":"2026-03-12T16:26:45","guid":{"rendered":"https:\/\/biotechlerncenter.iph-multisite.berta-bewegt.ch\/?page_id=1030"},"modified":"2026-03-13T18:49:34","modified_gmt":"2026-03-13T17:49:34","slug":"1-les-cellules-souches","status":"publish","type":"page","link":"https:\/\/biotechlerncenter.iph-multisite.berta-bewegt.ch\/fr\/sujets\/cellules-souches\/1-les-cellules-souches\/","title":{"rendered":"1. Les cellules souches"},"content":{"rendered":"\n<p>Les cellules souches font partie des domaines les plus fascinants de la biologie moderne. Ces cellules poss\u00e8dent des propri\u00e9t\u00e9s impressionnantes. Les cellules souches sont porteuses d&rsquo;espoir dans le traitement de maladies graves telles qu&rsquo;Alzheimer, d\u00e9faillance cardiaque ou h\u00e9patique et bien d&rsquo;autres encore. Mais, de m\u00eame que dans tous les domaines de la recherche \u00e0 expansion rapide, la recherche sur les cellules souches pose constamment de nouvelles questions, questions non seulement au niveau scientifique mais \u00e9galement juridique, politique, \u00e9conomique et \u00e9thique.<\/p>\n\n\n\n<p>Les cellules souches se diff\u00e9rencient des autres cellules de notre organisme car elles poss\u00e8dent trois facult\u00e9s particuli\u00e8res:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>Elles peuvent se diviser durant une p\u00e9riode prolong\u00e9e. Certaines cellules de notre organisme ont une dur\u00e9e de vie limit\u00e9e. Les cellules cutan\u00e9es par exemple ne vivent en moyenne que deux semaines, elles vont ensuite se n\u00e9croser et \u00eatre remplac\u00e9es par de nouvelles.<\/li><li>Les cellules souches ne sont pas sp\u00e9cialis\u00e9es ce qui signifie qu&rsquo;elles ne sont pas pressenties pour des t\u00e2ches d\u00e9termin\u00e9es dans l&rsquo;organisme comme c&rsquo;est le cas par exemple des cellules musculaires.<\/li><li>Les cellules souches peuvent produire des cellules sp\u00e9cialis\u00e9es par division.<\/li><\/ol>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"http:\/\/biotechlerncenter.iph-multisite.berta-bewegt.ch\/wp-content\/uploads\/sites\/4\/2020\/01\/stemcells_flickr_900.jpg\" alt=\"\" class=\"wp-image-3308\"\/><figcaption>Cellules souches de souris se d\u00e9veloppant \u00e0 l&rsquo;aide de facteurs de croissance dans les neurones. (Vert = anticorps pour le pr\u00e9curseur de la prot\u00e9ine nestine ; bleu = coloration nucl\u00e9aire ; rouge = anticorps pour la tubuline)<br>\u00a9 Flickr<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Les cellules souches font partie des domaines les plus fascinants de la biologie moderne. Ces cellules poss\u00e8dent des propri\u00e9t\u00e9s impressionnantes. Les cellules souches sont porteuses d&rsquo;espoir dans le traitement de maladies graves telles qu&rsquo;Alzheimer, d\u00e9faillance cardiaque ou h\u00e9patique et bien d&rsquo;autres encore. Mais, de m\u00eame que dans tous les domaines de la recherche \u00e0 expansion [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1062,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-templates\/unterthema.php","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-1030","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>1. Les cellules souches - biotechlerncenter<\/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=\"1. 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