{"id":5904,"date":"2026-09-30T09:30:27","date_gmt":"2026-09-30T09:30:27","guid":{"rendered":"https:\/\/netguide.io\/news\/2026\/09\/30\/gel-inyectable-ayuda-a-los-cerebros-del-raton-reparar-los-mismos-despues-de-stroke\/"},"modified":"2026-09-30T09:30:28","modified_gmt":"2026-09-30T09:30:28","slug":"gel-inyectable-ayuda-a-los-cerebros-del-raton-reparar-los-mismos-despues-de-stroke","status":"publish","type":"post","link":"https:\/\/netguide.io\/news\/es\/2026\/09\/30\/gel-inyectable-ayuda-a-los-cerebros-del-raton-reparar-los-mismos-despues-de-stroke\/","title":{"rendered":"Gel inyectable ayuda a los cerebros del rat\u00f3n Reparar los mismos despu\u00e9s de Stroke"},"content":{"rendered":"<div id=\"netgu-695826977\" class=\"netgu-before-content netgu-entity-placement\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-6258556257245998\" \ndata-ad-slot=\"3494115342\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>\n<p class=\"wp-block-paragraph\"><strong>Un gel inyectable desarrollado en la Universidad de Duke impuls\u00f3 cerebros de rat\u00f3n da\u00f1ados por golpes para repararse, cultivando nuevos vasos sangu\u00edneos y fibras nerviosas y restaurando en gran medida la capacidad de los animales para moverse.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Un andamio hecho de peque\u00f1as cuentas de hidrogel<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">El equipo liderado por el profesor Tatiana Segura y el primer autor Shangjing Xin utilizaron un material llamado MAPS (microporous annealed particle scaffolds). Se construye a partir de part\u00edculas microsc\u00f3picas de hidrogel amasadas en una estructura similar a la esponja con espacios abiertos entre ellas. Inyectado en la cavidad que deja un derrame cerebral, el andamio act\u00faa como andamio en el que las propias c\u00e9lulas del cuerpo pueden migrar y reconstruir el tejido.<\/p><div id=\"netgu-3343553328\" class=\"netgu-content netgu-entity-placement\"><aside class=\"deals-top deals-top--compact\">\n\n\t\t\t<h3 class=\"deals-top__title\">Top-Deals<\/h3>\n\t\n\t\t\t<ul class=\"deals-top__list\">\n\t\t\t\t\t\t\t<li class=\"deals-top__item\">\n\t\t\t\t\t<a class=\"deals-top__link\" href=\"https:\/\/netguide.io\/deals\/de\/deals\/moon-knight-digital-watch-face-fuer-wear-os-4\/\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img class=\"deals-top__image\" src=\"https:\/\/netguide.io\/news\/wp-content\/uploads\/sites\/15\/2026\/09\/deal-27-150x150.png\" alt=\"\" width=\"52\" height=\"52\" loading=\"lazy\" \/>\n\t\t\t\t\t\t\n\t\t\t\t\t\t<span class=\"deals-top__body\">\n\t\t\t\t\t\t\t<span class=\"deals-top__name\">MOON KNIGHT Digital Watch Face f\u00fcr Wear OS 4+<\/span>\n\n\t\t\t\t\t\t\t<span 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\/>\n\t\t\t\t\t\t\n\t\t\t\t\t\t<span class=\"deals-top__body\">\n\t\t\t\t\t\t\t<span class=\"deals-top__name\">Kostenloses DLC-Bundle f\u00fcr Gears of War E-Day \u2013 Liquid Death Bundle<\/span>\n\n\t\t\t\t\t\t\t<span class=\"deals-top__meta\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"deals-top__price\">Gratis<\/span>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\n\t\t\t\t\t\t<span class=\"deals-top__temperature\">\n\t\t\t\t\t\t\t54\u00b0\n\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t\t\t\t<li class=\"deals-top__item\">\n\t\t\t\t\t<a class=\"deals-top__link\" href=\"https:\/\/netguide.io\/deals\/de\/deals\/kostenlose-emote-im-clash-royale-store\/\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img class=\"deals-top__image\" src=\"https:\/\/netguide.io\/news\/wp-content\/uploads\/sites\/15\/2026\/09\/share-image-clashroyale-150x150.jpg\" alt=\"\" width=\"52\" height=\"52\" loading=\"lazy\" \/>\n\t\t\t\t\t\t\n\t\t\t\t\t\t<span class=\"deals-top__body\">\n\t\t\t\t\t\t\t<span class=\"deals-top__name\">Kostenlose Emote im Clash Royale-Store<\/span>\n\n\t\t\t\t\t\t\t<span class=\"deals-top__meta\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"deals-top__price\">Gratis<\/span>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\n\t\t\t\t\t\t<span class=\"deals-top__temperature\">\n\t\t\t\t\t\t\t54\u00b0\n\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t\t<\/ul>\n\n\t\t\t\t\t<p class=\"deals-top__more\">\n\t\t\t\t<a href=\"https:\/\/netguide.io\/deals\/\">Alle Deals ansehen \u2192<\/a>\n\t\t\t<\/p>\n\t\t\t<\/aside>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">IL-4 y C1q dirigen la respuesta inmune<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La clave estaba cargando el gel con ves\u00edculas extracelulares de los astrocitos, las c\u00e9lulas de apoyo del cerebro. Activado por las dos mol\u00e9culas de se\u00f1alizaci\u00f3n IL-4 y C1q, estas ves\u00edculas reclutaron c\u00e9lulas inmunes desde el torrente sangu\u00edneo hacia la regi\u00f3n lesionada. Esta reacci\u00f3n inflamatoria controlada comenz\u00f3 la regeneraci\u00f3n en lugar de obstaculizarla, los investigadores informan en la revista <em>Cell Biomaterials<\/em>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Coincidiendo con animales sanos despu\u00e9s de ocho semanas<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>En una prueba de calibraci\u00f3n que mide la coordinaci\u00f3n de la antena, ratones tratados a la par con controles saludables despu\u00e9s de ocho semanas.<\/li><li>Nuevos vasos sangu\u00edneos formados a lo largo de la cavidad.<\/li><li>M\u00e1s axones, las fibras esenciales para que las neuronas se comunican, crecen y alrededor del \u00e1rea lesionada.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Hasta ahora los resultados vienen s\u00f3lo de ratones dado una inyecci\u00f3n directa de cerebro. Antes de cualquier movimiento hacia los seres humanos, la seguridad y la eficacia deben ser probadas en modelos animales m\u00e1s grandes, y las ves\u00edculas, actualmente provenientes de astr\u00f3logos de ratas, tendr\u00e1n que ser reemplazadas por alternativas humanas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Fuentes:<\/em> <a href=\"https:\/\/www.sciencedaily.com\/releases\/2026\/09\/260902234512.htm\" rel=\"noopener\" target=\"_blank\">Duke University \/ ScienceDaily<\/a> \u00b7 <a href=\"https:\/\/www.cell.com\/cell-biomaterials\/home\" rel=\"noopener\" target=\"_blank\">Cell Biomaterials (Sept 3, 2026)<\/a><\/p>\n<div id=\"netgu-3437031525\" class=\"netgu-after-content netgu-entity-placement\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-6258556257245998\" \ndata-ad-slot=\"4559785002\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Los investigadores de la Universidad de Duke han construido un hidrogel inyectable que recrudece vasos sangu\u00edneos y fibras nerviosas en cerebros de rat\u00f3n da\u00f1ados por el golpe y restaura el movimiento de los animales.<\/p>\n","protected":false},"author":1,"featured_media":2222,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[],"tags":[],"class_list":["post-5904","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"brizy_media":[],"_links":{"self":[{"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/posts\/5904","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/comments?post=5904"}],"version-history":[{"count":1,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/posts\/5904\/revisions"}],"predecessor-version":[{"id":5905,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/posts\/5904\/revisions\/5905"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/media\/2222"}],"wp:attachment":[{"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/media?parent=5904"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/categories?post=5904"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/tags?post=5904"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}