{"id":38197,"date":"2025-09-22T09:14:55","date_gmt":"2025-09-22T09:14:55","guid":{"rendered":"https:\/\/sscb-stembiotech.ch\/?p=38197"},"modified":"2025-09-22T09:16:40","modified_gmt":"2025-09-22T09:16:40","slug":"lupus-erythemateux-systemique-de-nouvelles-perspectives-grace-aux-cellules-souches-du-cordon-ombilical","status":"publish","type":"post","link":"https:\/\/sscb-stembiotech.ch\/fr\/news\/lupus-erythemateux-systemique-de-nouvelles-perspectives-grace-aux-cellules-souches-du-cordon-ombilical\/","title":{"rendered":"Lupus \u00e9ryth\u00e9mateux syst\u00e9mique : de nouvelles perspectives gr\u00e2ce aux cellules souches du cordon ombilical"},"content":{"rendered":"<p data-start=\"2742\" data-end=\"3299\">Le <strong data-start=\"2745\" data-end=\"2784\">lupus \u00e9ryth\u00e9mateux syst\u00e9mique (LES)<\/strong> est une maladie auto-immune chronique o\u00f9 le syst\u00e8me immunitaire attaque les tissus sains, entra\u00eenant inflammation et atteinte de plusieurs organes.<br data-start=\"2932\" data-end=\"2935\" \/>Les traitements actuels visent \u00e0 contr\u00f4ler les sympt\u00f4mes et \u00e0 pr\u00e9venir les pouss\u00e9es, mais leur efficacit\u00e9 est limit\u00e9e pour certains patients.<br data-start=\"3076\" data-end=\"3079\" \/>La recherche explore aujourd\u2019hui de nouvelles pistes, comme le <strong data-start=\"3142\" data-end=\"3230\">s\u00e9cr\u00e9tome d\u00e9riv\u00e9 des cellules souches m\u00e9senchymateuses du cordon ombilical (UC-MSCs)<\/strong>, reconnu pour ses propri\u00e9t\u00e9s anti-inflammatoires et r\u00e9g\u00e9n\u00e9ratives.<\/p>\n<h2 data-start=\"3306\" data-end=\"3325\">L\u2019\u00e9tude clinique<\/h2>\n<p data-start=\"3326\" data-end=\"3438\">Un essai randomis\u00e9, en double aveugle et contr\u00f4l\u00e9 par placebo, a inclus <strong data-start=\"3398\" data-end=\"3435\">29 femmes atteintes de LES mod\u00e9r\u00e9<\/strong>.<\/p>\n<ul data-start=\"3440\" data-end=\"3625\">\n<li data-start=\"3440\" data-end=\"3558\">\n<p data-start=\"3442\" data-end=\"3558\"><strong data-start=\"3442\" data-end=\"3461\">Groupe trait\u00e9 :<\/strong> injections intramusculaires hebdomadaires de 1,5 cc de s\u00e9cr\u00e9tome UC-MSCs pendant six semaines.<\/p>\n<\/li>\n<li data-start=\"3559\" data-end=\"3625\">\n<p data-start=\"3561\" data-end=\"3625\"><strong data-start=\"3561\" data-end=\"3582\">Groupe contr\u00f4le :<\/strong> injections de placebo (solution saline).<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3627\" data-end=\"3824\">L\u2019activit\u00e9 de la maladie a \u00e9t\u00e9 \u00e9valu\u00e9e avec l\u2019<strong data-start=\"3673\" data-end=\"3694\">indice MEX-SLEDAI<\/strong>, tandis que les niveaux de <strong data-start=\"3722\" data-end=\"3769\">C3, C4, IL-6, TNF-\u03b1 et anticorps anti-dsDNA<\/strong> \u00e9taient mesur\u00e9s au d\u00e9part, au jour 22 et au jour 43.<\/p>\n<h2 data-start=\"3831\" data-end=\"3854\">R\u00e9sultats principaux<\/h2>\n<ul data-start=\"3855\" data-end=\"4219\">\n<li data-start=\"3855\" data-end=\"3946\">\n<p data-start=\"3857\" data-end=\"3946\"><strong data-start=\"3857\" data-end=\"3898\">R\u00e9duction de l\u2019activit\u00e9 de la maladie<\/strong> dans le groupe trait\u00e9 par rapport au placebo.<\/p>\n<\/li>\n<li data-start=\"3947\" data-end=\"4042\">\n<p data-start=\"3949\" data-end=\"4042\"><strong data-start=\"3949\" data-end=\"3996\">Augmentation significative du compl\u00e9ment C3<\/strong>, signe d\u2019un meilleur \u00e9quilibre immunitaire.<\/p>\n<\/li>\n<li data-start=\"4043\" data-end=\"4154\">\n<p data-start=\"4045\" data-end=\"4154\"><strong data-start=\"4045\" data-end=\"4117\">Tendance \u00e0 la baisse de l\u2019IL-6, du TNF-\u03b1 et des anticorps anti-dsDNA<\/strong>, sans significativit\u00e9 statistique.<\/p>\n<\/li>\n<li data-start=\"4155\" data-end=\"4219\">\n<p data-start=\"4157\" data-end=\"4219\"><strong data-start=\"4157\" data-end=\"4178\">Bonne tol\u00e9rance :<\/strong> aucun effet ind\u00e9sirable grave observ\u00e9.<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"4226\" data-end=\"4251\">Signification clinique<\/h2>\n<p data-start=\"4252\" data-end=\"4492\">Ces r\u00e9sultats indiquent que le <strong data-start=\"4283\" data-end=\"4315\">s\u00e9cr\u00e9tome d\u00e9riv\u00e9 des UC-MSCs<\/strong> pourrait repr\u00e9senter une option th\u00e9rapeutique additionnelle, s\u00fbre et efficace, pour les patients atteints de LES, gr\u00e2ce \u00e0 ses effets immunomodulateurs et anti-inflammatoires.<\/p>\n<p data-start=\"4494\" data-end=\"4664\">Cependant, <strong data-start=\"4505\" data-end=\"4552\">des \u00e9tudes plus larges et \u00e0 plus long terme<\/strong> sont n\u00e9cessaires pour confirmer ces r\u00e9sultats pr\u00e9liminaires et approfondir les m\u00e9canismes d\u2019action impliqu\u00e9s.<\/p>\n<h2 data-start=\"4671\" data-end=\"4684\">Conclusion<\/h2>\n<p data-start=\"4685\" data-end=\"5067\">Cette \u00e9tude pilote sugg\u00e8re que le s\u00e9cr\u00e9tome issu des cellules souches du cordon ombilical pourrait offrir une <strong data-start=\"4795\" data-end=\"4866\">nouvelle option th\u00e9rapeutique pour le lupus \u00e9ryth\u00e9mateux syst\u00e9mique<\/strong>, en am\u00e9liorant l\u2019activit\u00e9 de la maladie sans effets secondaires significatifs.<br data-start=\"4945\" data-end=\"4948\" \/>De futures recherches seront essentielles pour valider ces donn\u00e9es et envisager une int\u00e9gration en pratique clinique.<\/p>\n<p data-start=\"5074\" data-end=\"5267\"><strong data-start=\"5074\" data-end=\"5087\">R\u00e9f\u00e9rence<\/strong><br data-start=\"5087\" data-end=\"5090\" \/>Narrah J. 2025. <em data-start=\"5106\" data-end=\"5265\">Umbilical cord mesenchymal stem cell-derived secretome as a potential treatment for systemic lupus erythematosus: A double-blind randomized controlled trial.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le lupus \u00e9ryth\u00e9mateux syst\u00e9mique (LES) est une maladie auto-immune chronique o\u00f9 le syst\u00e8me immunitaire attaque les tissus sains, entra\u00eenant inflammation et atteinte de plusieurs organes.Les traitements actuels visent \u00e0 contr\u00f4ler les sympt\u00f4mes et \u00e0 pr\u00e9venir les pouss\u00e9es, mais leur efficacit\u00e9 est limit\u00e9e pour certains patients.La recherche explore aujourd\u2019hui de nouvelles pistes, comme le s\u00e9cr\u00e9tome d\u00e9riv\u00e9 [&hellip;]<\/p>\n","protected":false},"author":125,"featured_media":38189,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"rank_math_lock_modified_date":false,"footnotes":""},"categories":[100,102],"tags":[],"class_list":["post-38197","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cellules-souches-fr","category-perspectives-therapeutiques"],"_links":{"self":[{"href":"https:\/\/sscb-stembiotech.ch\/fr\/wp-json\/wp\/v2\/posts\/38197"}],"collection":[{"href":"https:\/\/sscb-stembiotech.ch\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sscb-stembiotech.ch\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sscb-stembiotech.ch\/fr\/wp-json\/wp\/v2\/users\/125"}],"replies":[{"embeddable":true,"href":"https:\/\/sscb-stembiotech.ch\/fr\/wp-json\/wp\/v2\/comments?post=38197"}],"version-history":[{"count":1,"href":"https:\/\/sscb-stembiotech.ch\/fr\/wp-json\/wp\/v2\/posts\/38197\/revisions"}],"predecessor-version":[{"id":38198,"href":"https:\/\/sscb-stembiotech.ch\/fr\/wp-json\/wp\/v2\/posts\/38197\/revisions\/38198"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sscb-stembiotech.ch\/fr\/wp-json\/wp\/v2\/media\/38189"}],"wp:attachment":[{"href":"https:\/\/sscb-stembiotech.ch\/fr\/wp-json\/wp\/v2\/media?parent=38197"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sscb-stembiotech.ch\/fr\/wp-json\/wp\/v2\/categories?post=38197"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sscb-stembiotech.ch\/fr\/wp-json\/wp\/v2\/tags?post=38197"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}