{"id":739,"date":"2026-06-14T22:29:43","date_gmt":"2026-06-14T20:29:43","guid":{"rendered":"https:\/\/kleefstrasyndrome.com\/?p=739"},"modified":"2026-08-21T06:39:41","modified_gmt":"2026-08-21T04:39:41","slug":"definir-el-reemplazo-del-gen-ehmt1-en-ut-southwestern-para-2026","status":"publish","type":"post","link":"https:\/\/kleefstrasyndrome.com\/es\/idefine-ut-southwestern-ehmt1-gene-replacement-2026-el\/","title":{"rendered":"Nuevo programa precl\u00ednico bienal para la sustituci\u00f3n g\u00e9nica de EHMT1"},"content":{"rendered":"<div class=\"wp-block-group gene-replacement-page\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"wp-block-paragraph\">Un nuevo programa de investigaci\u00f3n intenta responder a una pregunta fundamental sobre el s\u00edndrome de Kleefstra: \u00bfse puede transferir una copia funcional de EHMT1 de manera controlada y aceptablemente segura a las c\u00e9lulas adecuadas del sistema nervioso central? IDefine y el Centro M\u00e9dico UT Southwestern anunciaron el 3 de junio de 2026 una colaboraci\u00f3n de dos a\u00f1os para investigar este enfoque.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para las familias es importante tener claro desde el principio qu\u00e9 es exactamente lo que se ha anunciado. Se trata de <strong>programa de investigaci\u00f3n precl\u00ednica<\/strong>, es decir, para investigaci\u00f3n de laboratorio y posiblemente en modelos antes de cualquier estudio en humanos. No se anunciaron participantes, administraci\u00f3n de tratamiento ni ensayos cl\u00ednicos. A\u00fan no hay datos que muestren beneficio para personas con s\u00edndrome de Kleefstra, y la estrategia de investigaci\u00f3n no est\u00e1 disponible como tratamiento.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Qu\u00e9 investigar\u00e1 la colaboraci\u00f3n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">IDefine se comprometi\u00f3 a destinar aproximadamente 310.000 d\u00f3lares para el proyecto bienal, dirigido por el Dr. Steven Gray en el UT Southwestern. Seg\u00fan el anuncio, se espera que el programa contin\u00fae hasta abril de 2028. Su objetivo es evaluar si se puede administrar una estrategia de sustituci\u00f3n g\u00e9nica de EHMT1 en el sistema nervioso central, prestando especial atenci\u00f3n al control del nivel de expresi\u00f3n del gen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El s\u00edndrome de Kleefstra tipo 1 suele estar causado por <strong>deficiencia de una copia funcional de EHMT1<\/strong>: de las dos copias del gen, una no funciona correctamente, lo que hace que la actividad total del EHMT1 no sea suficiente para un desarrollo y un funcionamiento normales. La sustituci\u00f3n g\u00e9nica tiene como objetivo, en el \u00e1mbito de la investigaci\u00f3n, a\u00f1adir material gen\u00e9tico funcional para producir una cantidad suficiente de la prote\u00edna correspondiente en las c\u00e9lulas relevantes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Esta relaci\u00f3n directa con la causa gen\u00e9tica subyacente hace que el enfoque resulte interesante desde el punto de vista cient\u00edfico, pero no lo convierte autom\u00e1ticamente en eficaz ni seguro. El EHMT1 es un regulador epigen\u00e9tico: contribuye a controlar la expresi\u00f3n de muchos otros genes. Por lo tanto, no basta con producir m\u00e1s EHMT1. La cantidad, las c\u00e9lulas en las que se expresar\u00e1, la extensi\u00f3n de su distribuci\u00f3n en el cerebro y la duraci\u00f3n de su expresi\u00f3n pueden ser par\u00e1metros fundamentales.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Por qu\u00e9 el control de la dosis es una cuesti\u00f3n central<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">En la deficiencia de EHMT1, la actividad funcional muy baja est\u00e1 relacionada con la enfermedad. Sin embargo, la expresi\u00f3n descontrolada o excesiva de un regulador epigen\u00e9tico tambi\u00e9n podr\u00eda generar problemas. Por ello, el control del nivel de expresi\u00f3n g\u00e9nica no es un detalle t\u00e9cnico secundario, sino una cuesti\u00f3n fundamental de viabilidad y seguridad.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El comunicado hace referencia a una tecnolog\u00eda de administraci\u00f3n de \u00faltima generaci\u00f3n dirigida al sistema nervioso central. No especifica p\u00fablicamente ning\u00fan tipo concreto de veh\u00edculo, serotipo, dosis, v\u00eda de administraci\u00f3n, modelo animal ni producto listo para su uso en humanos. La administraci\u00f3n dirigida al sistema nervioso central constituye un objetivo de investigaci\u00f3n y no una garant\u00eda de que el material gen\u00e9tico llegue a todas las c\u00e9lulas pertinentes. El programa deber\u00e1 examinar en primer lugar si el enfoque puede desarrollarse y administrarse de manera que justifique su desarrollo posterior.<\/p>\n\n\n\n<div class=\"wp-block-group family-meaning\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h3 class=\"wp-block-heading\">Importancia para las familias<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La importancia de esta noticia radica en que la sustituci\u00f3n g\u00e9nica del EHMT1 forma parte de un programa organizado y financiado, con una duraci\u00f3n determinada y dirigido por un equipo especializado en terapia g\u00e9nica. Este hecho puede proporcionar los datos iniciales necesarios para evaluar si el enfoque es viable y puede avanzar a fases posteriores. Sin embargo, no existe ning\u00fan tratamiento g\u00e9nico autorizado para el EHMT1. <\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group study-source\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading\">Fuentes<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.prnewswire.com\/news-releases\/idefine-and-ut-southwestern-announce-research-collaboration-to-advance-gene-therapy-for-rare-disease-kleefstra-syndrome-302789121.html\" target=\"_blank\" rel=\"noopener noreferrer\">iDefine y UT Southwestern anuncian una colaboraci\u00f3n de investigaci\u00f3n para avanzar en la terapia g\u00e9nica para la enfermedad rara s\u00edndrome de Kleefstra<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.packgene.com\/frontier\/060326-idefine-and-ut-southwestern\/\" target=\"_blank\" rel=\"noopener noreferrer\">www.packgene.com<\/a><\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>IDefine y UT Southwestern anunciaron una colaboraci\u00f3n de aproximadamente 310.000 d\u00f3lares para estudiar la viabilidad y seguridad de la sustituci\u00f3n g\u00e9nica de EHMT1 dirigida al sistema nervioso central. El programa es precl\u00ednico: no existe ning\u00fan ensayo en humanos ni resultado de eficacia.<\/p>","protected":false},"author":1,"featured_media":2244,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","footnotes":""},"categories":[28],"tags":[36,69,70,25,37,49,71],"class_list":["post-739","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-ehmt1","tag-gene-replacement","tag-gene-therapy","tag-idefine","tag-kleefstra-syndrome","tag-preclinical-research","tag-ut-southwestern"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u039d\u03ad\u03bf \u03b4\u03b9\u03b5\u03c4\u03ad\u03c2 \u03c0\u03c1\u03bf\u03ba\u03bb\u03b9\u03bd\u03b9\u03ba\u03cc \u03c0\u03c1\u03cc\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1 \u03b3\u03b9\u03b1 \u03b3\u03bf\u03bd\u03b9\u03b4\u03b9\u03b1\u03ba\u03ae \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 EHMT1 - \u03a4\u03bf \u03a3\u03cd\u03bd\u03b4\u03c1\u03bf\u03bc\u03bf Kleefstra<\/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:\/\/kleefstrasyndrome.com\/es\/definir-el-reemplazo-del-gen-ehmt1-en-ut-southwestern-para-2026\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u039d\u03ad\u03bf \u03b4\u03b9\u03b5\u03c4\u03ad\u03c2 \u03c0\u03c1\u03bf\u03ba\u03bb\u03b9\u03bd\u03b9\u03ba\u03cc \u03c0\u03c1\u03cc\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1 \u03b3\u03b9\u03b1 \u03b3\u03bf\u03bd\u03b9\u03b4\u03b9\u03b1\u03ba\u03ae 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