{"id":1905,"date":"2026-04-28T06:51:08","date_gmt":"2026-04-28T06:51:08","guid":{"rendered":"https:\/\/wickedsister.evit.com.au\/index.php\/2026\/04\/28\/la-reparacio-de-la-mielina-podria-estar-en-un-gen-danimals-dalta-muntanya\/"},"modified":"2026-04-28T06:51:08","modified_gmt":"2026-04-28T06:51:08","slug":"la-reparacio-de-la-mielina-podria-estar-en-un-gen-danimals-dalta-muntanya","status":"publish","type":"post","link":"https:\/\/wickedsister.evit.com.au\/index.php\/2026\/04\/28\/la-reparacio-de-la-mielina-podria-estar-en-un-gen-danimals-dalta-muntanya\/","title":{"rendered":"La reparaci\u00f3 de la mielina podria estar en un gen d\u2019animals d\u2019alta muntanya"},"content":{"rendered":"<p><span style=\"font-weight: 400\">Un equip de cient\u00edfics ha identificat un mecanisme biol\u00f2gic inesperat que podria ajudar a reparar la mielina, la capa protectora dels nervis que es veu danyada en l\u2019esclerosi m\u00faltiple (EM).<\/span><\/p>\n<p><span style=\"font-weight: 400\">La descoberta prov\u00e9 de l\u2019estudi d\u2019animals d\u2019alta muntanya com els iacs, que han desenvolupat adaptacions gen\u00e8tiques per sobreviure en entorns amb poc oxigen. Aquestes adaptacions podrien tenir aplicacions directes en malalties neurol\u00f2giques humanes.<\/span><\/p>\n<p><span style=\"font-weight: 400\">La troballa s\u2019ha publicat a la Multiple Sclerosis News Today.<\/span><\/p>\n<h3><b>Un gen clau per a la reparaci\u00f3 nerviosa<\/b><\/h3>\n<p><span style=\"font-weight: 400\">Els investigadors van centrar-se en una mutaci\u00f3 del gen <\/span><b>Retsat<\/b><span style=\"font-weight: 400\">, present en aquests animals. Aquesta variant gen\u00e8tica augmenta la producci\u00f3 d\u2019una mol\u00e8cula derivada de la vitamina A anomenada <\/span><b>ATDR<\/b><span style=\"font-weight: 400\">.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Aquesta subst\u00e0ncia t\u00e9 un paper fonamental perqu\u00e8:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Estimula el creixement dels <\/span><b>oligodendr\u00f2cits<\/b><span style=\"font-weight: 400\">, les c\u00e8l\u00b7lules responsables de produir mielina<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Afavoreix la <\/span><b>reparaci\u00f3 de la mielina danyada<\/b><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Pot contribuir a restaurar la comunicaci\u00f3 entre neurones<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\">En models animals, aquesta via ha demostrat ser capa\u00e7 de <\/span><b>millorar la regeneraci\u00f3 de la mielina<\/b><span style=\"font-weight: 400\"> i reduir els s\u00edmptomes associats a malalties com l\u2019EM.<\/span><\/p>\n<h3><b>Per qu\u00e8 \u00e9s important per a l\u2019esclerosi m\u00faltiple?<\/b><\/h3>\n<p><span style=\"font-weight: 400\">En l\u2019EM, el sistema immunitari ataca la mielina, provocant problemes en la transmissi\u00f3 dels impulsos nerviosos i una \u00e0mplia varietat de s\u00edmptomes neurol\u00f2gics.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Actualment, la majoria de tractaments se centren en modular el sistema immunitari per frenar el dany. En canvi, aquest descobriment apunta a una estrat\u00e8gia diferent, reparar directament la mielina ja danyada.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Aix\u00f2 representa un canvi de paradigma, ja que obre la porta a ter\u00e0pies amb potencial regeneratiu. Tot i que \u00e9s una <\/span><b>via terap\u00e8utica prometedora, encara est\u00e0 en una fase molt inicial.<\/b><\/p>\n<p><span style=\"font-weight: 400\">Els resultats obtinguts en ratolins mostren que:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Els animals amb aquesta mutaci\u00f3 generen m\u00e9s mielina<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Recuperen millor despr\u00e9s de lesions nervioses<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">I milloren funcions motores quan se\u2019ls administra ATDR<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\">Tot i aix\u00f2, els investigadors remarquen que encara cal confirmar els resultats en humans, desenvolupar f\u00e0rmacs segurs basats en aquesta via i entendre millor com activar aquest mecanisme de manera controlada<\/span><\/p>\n<p><span style=\"font-weight: 400\">Podeu llegir la not\u00edcia completa a Multiple Sclerosis News Today (<\/span><a href=\"https:\/\/multiplesclerosisnewstoday.com\/news-posts\/2026\/04\/23\/scientists-studying-yak-genetics-discover-myelin-repair-mechanism\/\"><span style=\"font-weight: 400\">https:\/\/multiplesclerosisnewstoday.com\/news-posts\/2026\/04\/23\/scientists-studying-yak-genetics-discover-myelin-repair-mechanism\/<\/span><\/a><span style=\"font-weight: 400\">).<\/span><\/p>\n<p>La entrada <a href=\"https:\/\/fundaciongaem.org\/ca\/la-reparacio-de-la-mielina-podria-estar-en-un-gen-danimals-dalta-muntanya\/\">La reparaci\u00f3 de la mielina podria estar en un gen d\u2019animals d\u2019alta muntanya<\/a> se public\u00f3 primero en <a href=\"https:\/\/fundaciongaem.org\/ca\/\">GAEM (Grupo de Afectados de Esclerosis M\u00faltiple)<\/a>.<\/p>\n<p><em>Source: <a href=\"https:\/\/fundaciongaem.org\/ca\/la-reparacio-de-la-mielina-podria-estar-en-un-gen-danimals-dalta-muntanya\/\" rel=\"nofollow noopener\" target=\"_blank\">fundaciongaem.org<\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un equip de cient\u00edfics ha identificat un mecanisme biol\u00f2gic inesperat que podria ajudar a reparar la mielina, la capa protectora dels nervis que es veu danyada en l\u2019esclerosi m\u00faltiple (EM). La descoberta prov\u00e9 de l\u2019estudi d\u2019animals d\u2019alta muntanya com els iacs, que han desenvolupat adaptacions gen\u00e8tiques per sobreviure en entorns amb poc oxigen. Aquestes adaptacions&#8230;<\/p>\n","protected":false},"author":0,"featured_media":1906,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[11,15,9,8,13,14,12,10],"class_list":["post-1905","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-multiple-sclerosis-research","tag-brain-repair","tag-marburg-type-ms","tag-ms","tag-multiple-sclerosis","tag-myelin","tag-neuroregeneration","tag-oligodendrocyte","tag-remyelination"],"_links":{"self":[{"href":"https:\/\/wickedsister.evit.com.au\/index.php\/wp-json\/wp\/v2\/posts\/1905","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wickedsister.evit.com.au\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wickedsister.evit.com.au\/index.php\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/wickedsister.evit.com.au\/index.php\/wp-json\/wp\/v2\/comments?post=1905"}],"version-history":[{"count":0,"href":"https:\/\/wickedsister.evit.com.au\/index.php\/wp-json\/wp\/v2\/posts\/1905\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wickedsister.evit.com.au\/index.php\/wp-json\/wp\/v2\/media\/1906"}],"wp:attachment":[{"href":"https:\/\/wickedsister.evit.com.au\/index.php\/wp-json\/wp\/v2\/media?parent=1905"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wickedsister.evit.com.au\/index.php\/wp-json\/wp\/v2\/categories?post=1905"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wickedsister.evit.com.au\/index.php\/wp-json\/wp\/v2\/tags?post=1905"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}