{"id":5530,"date":"2026-04-22T10:57:23","date_gmt":"2026-04-22T08:57:23","guid":{"rendered":"https:\/\/esclerosismultiplegalicia.org\/?p=5530"},"modified":"2026-04-22T10:58:41","modified_gmt":"2026-04-22T08:58:41","slug":"un-hidroxel-intelixente-para-reparar-a-mielina-dende-o-nariz","status":"publish","type":"post","link":"https:\/\/esclerosismultiplegalicia.org\/index.php\/2026\/04\/22\/un-hidroxel-intelixente-para-reparar-a-mielina-dende-o-nariz\/","title":{"rendered":"Un hidroxel intelixente para reparar a mielina dende o nariz"},"content":{"rendered":"\n<p>No Laboratorio de Neurobiolox\u00eda e Terapias Avanzadas do <a href=\"https:\/\/www.comunidad.madrid\/hospital\/clinicosancarlos\/\">Hospital Cl\u00ednico San Carlos<\/a>, o persoal investigador desenvolveu un avance cient\u00edfico para o tratamento de enfermidades neurol\u00f3xicas. Tr\u00e1tase dun <strong>hidroxel<\/strong>, un biomaterial intelixente que funciona como un veh\u00edculo protector para transportar c\u00e9lulas nai directamente ao cerebro. As\u00ed pode conseguir de reparar os danos causados por patolox\u00edas desmielinizantes, como \u00e9 o caso da <strong><a href=\"https:\/\/esclerosismultiplegalicia.org\/index.php\/que-e-a-em\/\">Esclerose M\u00faltiple (EM)<\/a><\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">O papel da mielina e por que a perdemos<\/h2>\n\n\n\n<p>A <strong>mielina <\/strong>\u00e9 unha capa protectora que recobre as neuronas. Funciona de xeito similar ao illante dun cable el\u00e9ctrico. A s\u00faa presenza \u00e9 fundamental para que os sinais nerviosos se transmitan de forma r\u00e1pida e eficiente por todo o sistema nervioso.<\/p>\n\n\n\n<p>Na EM e noutras enfermidades desmielinizantes, esta capa d\u00e1nase, as neuronas quedan expostas e a comunicaci\u00f3n entre elas falla. Por iso mesmo, prod\u00faense <strong>s\u00edntomas <\/strong>f\u00edsicos e cognitivos progresivos moi variados (fatiga, problemas de equilibro, entumecemento, dificultades na visi\u00f3n&#8230;). A investigaci\u00f3n trata de buscar novas formas e tratamentos para xestionar estes s\u00edntomas. Tam\u00e9n busca unha posible causa e cura. Pero de igual modo \u00e9 importante frear estes efectos, o que sup\u00f3n conseguir a <strong>remielinizaci\u00f3n<\/strong>. Con este estudo e este hidroxel b\u00fascase axudar ao cerebro a xerar nova mielina para protexer de novo as neuronas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Un veh\u00edculo intelixente protector das c\u00e9lulas nai<\/h2>\n\n\n\n<p>A terapia proposta polo persoal cient\u00edfico bas\u00e9ase no uso de <strong>c\u00e9lulas nai proxenitoras de oligodendrocitos<\/strong>. Estas son as c\u00e9lulas encargadas de fabricar a mielina unha vez que maduran. O gran desaf\u00edo da ciencia ata agora era como facer que estas c\u00e9lulas chegasen vivas e en bo estado ao lugar da lesi\u00f3n.<\/p>\n\n\n\n<p>Aqu\u00ed \u00e9 onde entra en xogo o <strong>hidroxel<\/strong>, que presenta as seguintes caracter\u00edsticas:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Termoxelificante:<\/strong> o material \u00e9 l\u00edquido a temperatura ambiente, pero transf\u00f3rmase nun xel s\u00f3lido ao acadar os 37\u00baC do corpo humano.<\/li>\n\n\n\n<li><strong>Biocompatible e seguro:<\/strong> \u00e9 un material biodegradable e bioestable que non presenta toxicidade para as c\u00e9lulas, o que garante a s\u00faa seguridade terap\u00e9utica.<\/li>\n\n\n\n<li><strong>Protecci\u00f3n prolongada:<\/strong> grazas a este hidroxel, as c\u00e9lulas mant\u00e9\u00f1ense vivas no interior do corpo durante polo menos 72 horas. Sen esta protecci\u00f3n, moitas das c\u00e9lulas nai perder\u00edanse antes de acadar o seu obxectivo no sistema nervioso central.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">O desaf\u00edo de chegar ao cerebro<\/h2>\n\n\n\n<p>Un dos aspectos m\u00e1is innovadores deste estudo \u00e9 o m\u00e9todo de administraci\u00f3n: a <strong>v\u00eda intranasal<\/strong>. O cerebro conta cunha protecci\u00f3n natural chamada <strong>barreira hematoencef\u00e1lica<\/strong> que impide o paso de moitas substancias e tratamentos. Por\u00e9n, a combinaci\u00f3n do hidroxel coas c\u00e9lulas permite superar esta barreira e chegar directamente \u00e1s zonas danadas.<\/p>\n\n\n\n<p>Mediante o uso de t\u00e9cnicas de imaxe avanzadas, o equipo investigador puido comprobar que \u201cas c\u00e9lulas administradas <strong>acadaron a zona lesionada, permanecendo na s\u00faa contorna e integr\u00e1ronse no tecido<\/strong>&#8220;, afirman. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Resultados esperanzadores en modelos animais<\/h2>\n\n\n\n<p>A eficacia deste novo sistema testouse en modelos experimentais con rat\u00f3ns que padec\u00edan EM. Os resultados, segundo explica <strong>Ulises G\u00f3mez Pinedo<\/strong>, director do laboratorio, foron moi positivos:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Recuperaci\u00f3n da mielina:<\/strong> &#8220;aos 30 e 60 d\u00edas do tratamento, os animais mostraron unha recuperaci\u00f3n significativa da mielina, acadando niveis comparables aos de animais sans&#8221;, confirmou G\u00f3mez Pinedo.<\/li>\n\n\n\n<li><strong>Reduci\u00f3n da inflamaci\u00f3n:<\/strong> observouse unha clara diminuci\u00f3n da inflamaci\u00f3n cerebral.<\/li>\n\n\n\n<li><strong>Seguridade confirmada:<\/strong> os estudos de resonancia magn\u00e9tica non detectaron a formaci\u00f3n de tumores, o que avala a seguridade deste procedemento, segundo afirma o director do laboratorio.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">Aplicaci\u00f3n noutras enfermidades neurol\u00f3xicas<\/h2>\n\n\n\n<p>A\u00ednda que o estudo se centrou na EM, o potencial desta ferramenta \u00e9 moito m\u00e1is amplo. O doutor G\u00f3mez Pinedo sinala que esta estratexia &#8220;representa unha estratexia prometedora&#8221; que ofrece <strong>soluci\u00f3ns menos invasivas e potencialmente m\u00e1is eficaces<\/strong>. Nun futuro, este mesmo sistema de hidroxel e terapia celular poder\u00eda adaptarse para tratar outras patolox\u00edas como os ictus e glioblastomas, ou o Alzh\u00e9imer e a enfermidade de P\u00e1rkinson. <\/p>\n\n\n\n<p>Malia que estes resultados precl\u00ednicos son moi alentadores e proporcionan a base necesaria para preparar futuros ensaios cl\u00ednicos en humanos, debemos ser cautos. O avance sit\u00faase nunha <strong>fase de investigaci\u00f3n que a\u00ednda debe superar diversas etapas de validaci\u00f3n<\/strong> antes de converterse nun tratamento hospitalario de uso com\u00fan, pero sen d\u00fabida marca un fito na busca de terapias m\u00e1is eficaces para reparar a mielina do noso cerebro.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Fontes:<\/h3>\n\n\n\n<p><a href=\"https:\/\/www.consalud.es\/pacientes\/terapias\/el-hospital-clinico-san-carlos-desarrolla-un-hidrogel-que-favorece-la-recuperacion-de-mielina-en-ratones-con-esclerosis-multiple.html\">https:\/\/www.consalud.es\/pacientes\/terapias\/el-hospital-clinico-san-carlos-desarrolla-un-hidrogel-que-favorece-la-recuperacion-de-mielina-en-ratones-con-esclerosis-multiple.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>No Laboratorio de Neurobiolox\u00eda e Terapias Avanzadas do Hospital Cl\u00ednico&hellip; <a class=\"continue\" href=\"https:\/\/esclerosismultiplegalicia.org\/index.php\/2026\/04\/22\/un-hidroxel-intelixente-para-reparar-a-mielina-dende-o-nariz\/\">Ler m\u00e1is sobre<span> Un hidroxel intelixente para reparar a mielina dende o nariz<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":4292,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[103],"tags":[102],"class_list":["post-5530","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-novas","tag-investigacion"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.1.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ 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