{"id":97158,"date":"2025-12-04T15:34:09","date_gmt":"2025-12-04T15:34:09","guid":{"rendered":"https:\/\/www.europesays.com\/se\/97158\/"},"modified":"2025-12-04T15:34:09","modified_gmt":"2025-12-04T15:34:09","slug":"njurhalsan-paverkar-blodbaserade-alzheimer-markorer-men-inte-demensrisken","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/se\/97158\/","title":{"rendered":"Njurh\u00e4lsan p\u00e5verkar blodbaserade alzheimer-mark\u00f6rer men inte demensrisken"},"content":{"rendered":"<p>Bild:<\/p>\n<p> <img decoding=\"async\" src=\"https:\/\/www.europesays.com\/se\/wp-content\/uploads\/2025\/12\/Giulia_custom20251126110241.jpg\" alt=\"Giulia Grande, bitr\u00e4dande lektor vid Karolinska Institutet\"\/><\/p>\n<p>Rubrik:<\/p>\n<p> Giulia Grande.<br \/>\nFoto: Stefan Zimmerman<\/p>\n<p>Ett forskarteam under ledning av bitr\u00e4dande lektor <a href=\"https:\/\/ki.se\/personer\/giulia-grande\" data-entity-type=\"external\" rel=\"nofollow noopener\" target=\"_blank\">Giulia Grande<\/a> vid <a href=\"https:\/\/ki.se\/nvs\/forskning\/centrumbildningar-och-natverk-vid-nvs\/aging-research-center-arc-ett-forskningscentrum-for-aldre-personers-halsa-och-levnadsvillkor\" data-entity-type=\"external\" rel=\"nofollow noopener\" target=\"_blank\">Aging Research Center (ARC)<\/a>, en del av Institutionen f\u00f6r neurobiologi, v\u00e5rdvetenskap och samh\u00e4lle, har unders\u00f6kt hur njurfunktionen p\u00e5verkar blodbaserade biomark\u00f6rer kopplade till Alzheimers sjukdom. Studien, som publicerats i Neurology, omfattade 2 279 personer i Stockholm med en medel\u00e5lder p\u00e5 72 \u00e5r. Ingen av deltagarna hade demens vid studiens start och de f\u00f6ljdes under i genomsnitt \u00e5tta \u00e5r.<\/p>\n<p>Deltagarna genomgick medicinska unders\u00f6kningar och blodprov f\u00f6r att m\u00e4ta njurfunktion och niv\u00e5er av proteiner f\u00f6rknippade med Alzheimers sjukdom, d\u00e4ribland fosforylerade tau proteiner (som p-tau217), neurofilament light chain (NfL) och glial fibrillary acidic protein (GFAP). Dessa biomark\u00f6rer anv\u00e4nds allt oftare f\u00f6r att uppt\u00e4cka tidiga tecken p\u00e5 neurodegeneration.<\/p>\n<p>Forskarna fann att personer med nedsatt njurfunktion hade h\u00f6gre niv\u00e5er av de flesta biomark\u00f6rer i blodet, inklusive p-tau217. D\u00e4remot \u00f6kade inte nedsatt d\u00e5lig njurfunktion risken att utveckla demens. Ist\u00e4llet visade resultaten att demens tenderade att utvecklas tidigare hos personer med f\u00f6rh\u00f6jda biomark\u00f6rniv\u00e5er, s\u00e4rskilt NfL, om de samtidigt hade nedsatt njurfunktion.<\/p>\n<p>Detta tyder p\u00e5 att njurh\u00e4lsa kan p\u00e5verka tidpunkten f\u00f6r n\u00e4r demenssymtom upptr\u00e4der hos personer som redan visar tecken p\u00e5 f\u00f6r\u00e4ndringar i hj\u00e4rnanneurodegeneration, snarare \u00e4n att vara en direkt orsak till demens.<\/p>\n<p>Resultaten understryker vikten av att ta h\u00e4nsyn till njurfunktionen vid tolkning av blodprov f\u00f6r Alzheimers sjukdom, s\u00e4rskilt hos \u00e4ldre individer.<\/p>\n","protected":false},"excerpt":{"rendered":"Bild: Rubrik: Giulia Grande. Foto: Stefan Zimmerman Ett forskarteam under ledning av bitr\u00e4dande lektor Giulia Grande vid Aging&hellip;\n","protected":false},"author":2,"featured_media":97159,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[69],"tags":[113,112,34,31,33,32,30],"class_list":{"0":"post-97158","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-halsa","8":"tag-halsa","9":"tag-health","10":"tag-se","11":"tag-svenska","12":"tag-sverige","13":"tag-sweden","14":"tag-swedish"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@se\/115662033237404627","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/posts\/97158","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=97158"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/posts\/97158\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/media\/97159"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/media?parent=97158"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/categories?post=97158"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/tags?post=97158"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}