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Kristiina Liigant on Muck Rack

Kristiina Liigant

As seen in: DELFI Estonia
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Kas hambahari kaitseb aju dementsuse eest? Teadlased on tuvastanud seose suutervise ja kognitiivse võimekuse kahanemise vahel

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By Toomas Toomsoo, Kristiina Liigant
| DELFI Estonia Verified
Ajakirjas Science Advances avaldatud uuring läks veelgi kaugemale: teadlased leidsid patsientide ajust ka bakteri toodetud mürgised ensüümid, nn gingipaiinid, mille hulk käis käsikäes Alzheimerile iseloomuliku tau-valgu kahjustusega. Kui hiiri suu kaudu sama bakteriga nakatati, koloniseeris see nende aju ning käivitas beeta-amüloidi tootmise. See on sama valk, mis kuhjub Alzheimeri-patsientide ajus. Korrelatsioonist sai järsku usutav mehhanism.
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