Unknown

Dataset Information

0

Association of vitamin K with cognitive decline and neuropathology in community-dwelling older persons.


ABSTRACT: Higher vitamin K intakes have been associated with better cognitive function, suggestive of a vitamin K mechanistic effect or simply reflective of a healthy diet. To test the hypothesis that brain vitamin K is linked to cognitive decline and dementia, vitamin K concentrations were measured in four brain regions, and their associations with cognitive and neuropathological outcomes were estimated in 325 decedents of the Rush Memory and Aging Project. Menaquinone-4 (MK4) was the main vitamin K form in the brain regions evaluated. Higher brain MK4 concentrations were associated with a 17% to 20% lower odds of dementia or mild cognitive impairment (MCI) (P-value < .014), with a 14% to 16% lower odds of Braak stage ≥IV (P-value < 0.045), with lower Alzheimer's disease global pathology scores and fewer neuronal neurofibrillary tangles (P-value < 0.012). These findings provide new and compelling evidence implicating vitamin K in neuropathology underlying cognitive decline and dementia.

SUBMITTER: Booth SL 

PROVIDER: S-EPMC9019903 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature

altmetric image

Publications

Association of vitamin K with cognitive decline and neuropathology in community-dwelling older persons.

Booth Sarah L SL   Shea M Kyla MK   Barger Kathryn K   Leurgans Sue E SE   James Bryan D BD   Holland Thomas M TM   Agarwal Puja P   Fu Xueyan X   Wang Jifan J   Matuszek Gregory G   Schneider Julie A JA  

Alzheimer's & dementia (New York, N. Y.) 20220420 1


Higher vitamin K intakes have been associated with better cognitive function, suggestive of a vitamin K mechanistic effect or simply reflective of a healthy diet. To test the hypothesis that brain vitamin K is linked to cognitive decline and dementia, vitamin K concentrations were measured in four brain regions, and their associations with cognitive and neuropathological outcomes were estimated in 325 decedents of the Rush Memory and Aging Project. Menaquinone-4 (MK4) was the main vitamin K form  ...[more]

Similar Datasets

| S-EPMC3365262 | biostudies-other
| S-EPMC11851160 | biostudies-literature
| S-EPMC5869171 | biostudies-literature
| S-EPMC7328194 | biostudies-literature
| S-EPMC7330835 | biostudies-literature
| S-EPMC3310309 | biostudies-literature
| S-EPMC10058056 | biostudies-literature
| S-EPMC6001140 | biostudies-literature
| S-EPMC4610245 | biostudies-literature
| S-EPMC7279604 | biostudies-literature