{"id":203613,"date":"2026-03-29T08:27:09","date_gmt":"2026-03-29T08:27:09","guid":{"rendered":"https:\/\/www.europesays.com\/se\/203613\/"},"modified":"2026-03-29T08:27:09","modified_gmt":"2026-03-29T08:27:09","slug":"ny-studie-traning-kan-bromsa-alzheimer","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/se\/203613\/","title":{"rendered":"Ny studie: Tr\u00e4ning kan bromsa Alzheimer"},"content":{"rendered":"<p>En ny studie tyder p\u00e5 att fysisk aktivitet kan st\u00e4rka hj\u00e4rnans skyddande barri\u00e4r och d\u00e4rigenom f\u00f6rb\u00e4ttra minne och inl\u00e4rning. Resultaten, som bygger p\u00e5 f\u00f6rs\u00f6k med m\u00f6ss, pekar p\u00e5 en specifik biologisk mekanism bakom sambandet mellan motion och minskad risk f\u00f6r demens, <a href=\"https:\/\/www.washingtonpost.com\/wellness\/2026\/03\/24\/exercise-dementia\/\" rel=\"nofollow noopener\" target=\"_blank\">skriver Washington Post<\/a>.<\/p>\n<p><strong>MISSA INTE: <\/strong><a href=\"https:\/\/www.news55.se\/privatekonomi\/snabb-u-svang-for-rantan-kan-hojas-redan-i-var\/\" rel=\"nofollow noopener\" target=\"_blank\">Snabb U-sv\u00e4ng f\u00f6r r\u00e4ntan \u2013 kan h\u00f6jas redan i v\u00e5r<\/a><\/p>\n<p>Bakgrunden \u00e4r att den s\u00e5 kallade blod-hj\u00e4rnbarri\u00e4ren \u2013 ett lager av celler som skyddar hj\u00e4rnan fr\u00e5n skadliga \u00e4mnen \u2013 f\u00f6rs\u00e4mras med \u00e5ldern. N\u00e4r barri\u00e4ren blir mer genomsl\u00e4pplig \u00f6kar risken f\u00f6r inflammation och kognitiv svikt, inklusive Alzheimers sjukdom.<\/p>\n<p>I den aktuella studien, <a href=\"https:\/\/www.cell.com\/cell\/fulltext\/S0092-8674(26)00111-X\" rel=\"nofollow noopener\" target=\"_blank\">publicerad i tidskriften Cell<\/a>, fann forskare att tr\u00e4ning utl\u00f6ser fris\u00e4ttning av ett protein fr\u00e5n levern, kallat GPLD1. Proteinet transporteras via blodet och bidrar till att reparera den skadade blod-hj\u00e4rnbarri\u00e4ren.<\/p>\n<p>\u201cGer \u00f6vertygande bevis\u201d<\/p>\n<p>Effekterna var s\u00e4rskilt tydliga hos \u00e4ldre m\u00f6ss med en form av Alzheimer. N\u00e4r niv\u00e5erna av proteinet \u00f6kade f\u00f6rb\u00e4ttrades deras minne och inl\u00e4rningsf\u00f6rm\u00e5ga avsev\u00e4rt, enligt studien.<\/p>\n<p>\u201dDessa resultat ger \u00f6vertygande bevis i djurmodeller f\u00f6r att signaler fr\u00e5n levern vid tr\u00e4ning kan f\u00f6rb\u00e4ttra hj\u00e4rnans funktion genom att p\u00e5verka blod-hj\u00e4rnbarri\u00e4ren\u201d, s\u00e4ger <strong>Michelle Voss<\/strong>, professor vid University of Iowa, enligt Washington Post.<\/p>\n<p>Forskarna identifierade ocks\u00e5 att proteinet minskar f\u00f6rekomsten av ett skadligt enzym, TNAP, som annars g\u00f6r barri\u00e4ren mer l\u00e4ckande hos \u00e4ldre individer. N\u00e4r TNAP-niv\u00e5erna sj\u00f6nk blev barri\u00e4ren mer intakt, vilket tros skydda hj\u00e4rnv\u00e4vnaden.<\/p>\n","protected":false},"excerpt":{"rendered":"En ny studie tyder p\u00e5 att fysisk aktivitet kan st\u00e4rka hj\u00e4rnans skyddande barri\u00e4r och d\u00e4rigenom f\u00f6rb\u00e4ttra minne och&hellip;\n","protected":false},"author":2,"featured_media":203614,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[69],"tags":[6357,16766,2100,113,112,3745,6526,34,4595,31,33,32,30],"class_list":["post-203613","post","type-post","status-publish","format-standard","has-post-thumbnail","category-halsa","tag-alzheimer","tag-alzheimers","tag-alzheimers-sjukdom","tag-halsa","tag-health","tag-hjarnan","tag-motion","tag-se","tag-studie","tag-svenska","tag-sverige","tag-sweden","tag-swedish"],"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@se\/116311519751811605","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/posts\/203613","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/comments?post=203613"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/posts\/203613\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/media\/203614"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/media?parent=203613"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/categories?post=203613"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/tags?post=203613"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}