ArticleFrontiers in aging neuroscience2026
Plasma p-tau181 moderates the association between ten-year atherosclerotic cardiovascular disease risk and mild cognitive impairment - HABS-HD.
Article in Frontiers in aging neuroscience, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: This study examined cross-sectional associations between ten-year American Heart Association (AHA) atherosclerotic cardiovascular disease (ASCVD) risk and plasma Alzheimer's disease (AD) biomarkers in relation to cognitive outcomes and to determine whether ASCVD risk modifies biomarker-cognition relationships. Methods: Baseline data were analyzed from cognitively unimpaired and mild cognitive impaired (MCI) participants enrolled in the Health and Aging Brain Study-Health Disparities (HABS-HD), a large, community-based cohort enriched for racial and ethnic diversity. Plasma biomarkers included amyloid-β42/40 (Aβ42/Aβ40), phosphorylated tau (p-tau181 and p-tau217), and neurofilament light (NfL). Ten-year ASCVD risk was calculated using pooled cohort equations. Multivariable logistic regression models examined associations of ten-year ASCVD risk and plasma biomarkers with MCI, while multivariable linear regression models evaluated associations with Mini-Mental State Examination (MMSE) and Clinical Dementia Rating (CDR) Sum of Boxes scores. Separate models were constructed for Aβ42/40, p-tau217, p-tau181, NfL, and apolipoprotein ( Results: Increased ten-year ASCVD risk was consistently associated with increased odds of MCI, ranging from OR = 2.62 (95% CI: 1.31-5.17) to OR = 4.22 (95% CI: 2.04-8.64), lower MMSE scores, ranging from Conclusion: Greater ten-year ASCVD risk was consistently associated with cognitive impairment independent of plasma AD biomarkers, with evidence that p-tau181 modifies these associations and that their magnitude varies across racial and ethnic groups.
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