{"id":21250,"date":"2026-05-10T15:18:37","date_gmt":"2026-05-10T13:18:37","guid":{"rendered":"https:\/\/thesmartcityjournal.cibeles.net\/sin-categorizar\/un-parche-de-seda-podria-ayudar-al-cerebro-a-recuperarse-tras-un-ictus\/"},"modified":"2026-05-10T15:20:43","modified_gmt":"2026-05-10T13:20:43","slug":"un-parche-de-seda-podria-ayudar-al-cerebro-a-recuperarse-tras-un-ictus","status":"publish","type":"post","link":"https:\/\/www.thesmartcityjournal.com\/es\/investigacion\/un-parche-de-seda-podria-ayudar-al-cerebro-a-recuperarse-tras-un-ictus","title":{"rendered":"Un parche de seda podr\u00eda ayudar al cerebro a recuperarse tras un ictus"},"content":{"rendered":"<p><i><span style=\"font-weight: 400\">Un equipo de investigadores liderado por la Universidad Polit\u00e9cnica de Madrid ha desarrollado una innovadora estrategia para tratar el ictus que consiste en un peque\u00f1o parche hecho de seda que se implanta en el cerebro y ayuda a activar sus propios mecanismos de reparaci\u00f3n<\/span><\/i><\/p>\n<p><span style=\"font-weight: 400\">El ictus, tambi\u00e9n conocido como infarto cerebral, es una de las enfermedades m\u00e1s graves y frecuentes, llegando a ser la primera causa de muerte en mujeres en Espa\u00f1a y la segunda a nivel general. Se produce cuando una arteria que lleva ox\u00edgeno al cerebro se bloquea, provocando da\u00f1os en el tejido cerebral. En muchos casos, las consecuencias son devastadoras puesto que una parte importante de los pacientes fallece y entre un 30\u201340 % de los supervivientes quedan con secuelas que afectan a su vida diaria. Aunque existen tratamientos para intentar disolver o retirar el co\u00e1gulo, no siempre funcionan y no todos los pacientes pueden recibirlos. Adem\u00e1s, hoy por hoy no hay terapias capaces de reparar la zona da\u00f1ada.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Un equipo de investigadores de la Universidad Polit\u00e9cnica de Madrid (<\/span><a href=\"http:\/\/www.upm.es\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400\">UPM<\/span><\/a><span style=\"font-weight: 400\">), en colaboraci\u00f3n con la Universidad Complutense de Madrid (<\/span><a href=\"http:\/\/www.ucm.es\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400\">UCM<\/span><\/a><span style=\"font-weight: 400\">) y el Consejo Superior de Investigaciones Cient\u00edficas (<\/span><a href=\"https:\/\/www.csic.es\/es\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400\">CSIC<\/span><\/a><span style=\"font-weight: 400\">), ha desarrollado un nuevo enfoque frente al ictus basado en un parche de fibro\u00edna de seda, un material natural, resistente y compatible con el organismo. Este parche se coloca sobre la superficie del cerebro y libera de forma controlada una mol\u00e9cula que ayuda a atraer y mantener c\u00e9lulas madre en la zona lesionada. Estas c\u00e9lulas madre pueden contribuir a activar mecanismos de protecci\u00f3n y reparaci\u00f3n del tejido cerebral, algo que hasta ahora resultaba muy dif\u00edcil debido a la fragilidad de este tipo de mol\u00e9culas y a las barreras naturales del cerebro.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Desde hace d\u00e9cadas se investiga el potencial de distintas modalidades terap\u00e9uticas basadas en mol\u00e9culas neuroprotectoras, o c\u00e9lulas madre, con el objetivo de reducir el tama\u00f1o del infarto cerebral, la mortalidad y la discapacidad asociada. Ahora, un estudio dirigido por investigadores del Centro de Tecnolog\u00eda Biom\u00e9dica (<\/span><a href=\"http:\/\/www.ctb.upm.es\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400\">CTB<\/span><\/a><span style=\"font-weight: 400\">) de la UPM propone una nueva estrategia que se basa en el implante de biomateriales naturales biocompatibles capaces de liberar de forma controlada mol\u00e9culas que estimulen mecanismos de autoprotecci\u00f3n y autorreparaci\u00f3n cerebral. En pruebas realizadas con ratones, que hab\u00edan sufrido un ictus experimental , el parche de seda bioactivo desarrollado favoreci\u00f3 el reclutamiento y la retenci\u00f3n de c\u00e9lulas madre en la zona del implante, redujo el tama\u00f1o del infarto cerebral y mejor\u00f3 la recuperaci\u00f3n funcional, restaurandola actividad el\u00e9ctrica cerebral y la destreza sensoriomotora previamente comprometida.<\/span><\/p>\n<p><span style=\"font-weight: 400\">El proyecto ha sido desarrollado dentro de la iniciativa\u00a0<\/span><a href=\"https:\/\/mina-cm.es\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400\">MINA-CM<\/span><\/a><span style=\"font-weight: 400\">, financiada por la Comunidad de Madrid. Esta alianza impulsa nuevas tecnolog\u00edas para diagnosticar y tratar enfermedades como el ictus, el Alzheimer o el Parkinson. Adem\u00e1s, la empresa\u00a0<\/span><a href=\"https:\/\/silkbiomed.com\/en\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400\">SILKBIOMED<\/span><\/a><span style=\"font-weight: 400\">\u00a0\u2212una spin-off de la UPM\u2212 ha estandarizado el proceso de fabricaci\u00f3n del parche, un paso clave para que pueda producirse a gran escala en el futuro.<\/span><\/p>\n<p><span style=\"font-weight: 400\">\u201cLa estrategia terap\u00e9utica descrita muestra un alto potencial para el tratamiento del ictus y otras lesiones cerebrales agudas, como los traumatismos craneoencef\u00e1licos\u201d, se\u00f1alan los investigadores. \u201cEl parche de fibro\u00edna de seda destaca por su biocompatibilidad y resistencia a la degradaci\u00f3n enzim\u00e1tica, lo que lo convierte en un sistema id\u00f3neo para la liberaci\u00f3n local y controlada de f\u00e1rmacos\u201d, concluyen.<\/span><\/p>\n<p><b>\u00a0<\/b><span style=\"font-weight: 400\">Amira Lekouaghet, Marta S\u00e1nchez-D\u00edez, Jos\u00e9 P\u00e9rez-Rigueiro, Francisco J Rojo, Carmen Ram\u00edrez-Castillejo, Yolanda Ruiz-Le\u00f3n, Fivos Panetsos, Gustavo V Guinea, Daniel Gonz\u00e1lez-Nieto.\u00a0Stabilization of CXCL12 (SDF-1\u03b1) via silk fibroin films enhances stem cell migration\/retention and functional recovery after stroke.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Imagen: Estrategia global planteada en el estudio. Los parches de seda se fabricaron a partir de capullos de seda y se reconstituyeron con la mol\u00e9cula SDF-1\u03b1. La prueba de concepto se realiz\u00f3 en un modelo precl\u00ednico de ictus cerebral en rat\u00f3n. Fuente: <\/span><a href=\"https:\/\/doi.org\/10.1093\/rb\/rbaf129\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400\">https:\/\/doi.org\/10.1093\/rb\/rbaf129<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un equipo de investigadores liderado por la Universidad Polit\u00e9cnica de Madrid ha desarrollado una innovadora estrategia para tratar el ictus que consiste en un peque\u00f1o parche hecho de seda que se implanta en el cerebro y ayuda a activar sus propios mecanismos de reparaci\u00f3n El ictus, tambi\u00e9n conocido como infarto cerebral, es una de las\u2026<\/p>\n","protected":false},"author":2,"featured_media":21249,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_scj_primary_category_id":97,"_scj_featured":false,"_scj_featured_from":"","_scj_featured_until":"","_scj_featured_order":0,"_scj_visibility_class":"current","_scj_layout_family":"standard","_scj_article_style":"","_scj_display_overrides":[],"_scj_intro_image_id":21249,"_scj_intro_alt":"Un parche de seda podr\u00eda ayudar al cerebro a recuperarse tras un ictus","_scj_intro_caption":"","_scj_intro_class":"","_scj_intro_float":"","_scj_full_image_id":21249,"_scj_full_alt":"Un parche de seda podr\u00eda ayudar al cerebro a recuperarse tras un 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