A scientist in a lab analyzing a blood sample for early Alzheimer's detection, with brain scan overlays.

Verikoe voi paljastaa alzheimerin taudin merkit vuosia etukäteen

20. kesäkuuta 2026

Raportoinut AI

AI:n luoma kuva

Uusi tutkimus osoittaa, että verikokeilla voidaan havaita alzheimerin taudin merkkejä useita vuosia ennen sairauden puhkeamista. Amerikkalaistutkijat julkaisivat tulokset The Lancet -lehdessä.

Amerikkalaistutkijat tarkastelivat The Lancet -lehdessä julkaistussa tutkimuksessa 1 350 dementiaa sairastamattoman, keskimäärin 61-vuotiaan henkilön verinäytteitä. Fosforyloidun tau-proteiinin tasojen todettiin nousevan jo 60 ikävuoden paikkeilla.

86 osallistujalla oli kohonneita pitoisuuksia, ja he suoriutuivat kognitiivisista testeistä heikommin. Näiden henkilöiden tila heikkeni myös nopeammin viiden vuoden välein tehdyissä seurannoissa.

Göteborgin yliopiston Henrik Zetterbergin mukaan verikoe on yksinkertaisempi kuin nykyiset menetelmät. Hän painottaa, ettei laajamittaisille testeille ole tällä hetkellä perusteita, sillä Ruotsista puuttuvat tehokkaat hoidot.

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Verikoe voi paljastaa alzheimerin taudin merkit vuosia etukäteen

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