ArticlemedRxiv : the preprint server for health sciences2025
Relationship between BrainAge Polygenetic Risk Score and plasma biomarkers in the A4/LEARN studies.
Article in medRxiv : the preprint server for health sciences, 2025. 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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Authors and funding
17 authors.
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Abstract
Background and Objectives: To examine the association between genetic predisposition to accelerated brain aging-measured with polygenic risk scores (PRS) derived from BrainAge models-and plasma biomarkers of Alzheimer's disease (AD), with attention to age and sex-specific effects. Methods: We analyzed 1994 cognitively unimpaired participants from the A4/LEARN studies (71.5±4.8 years; 41% male). We computed the genetic risk of accelerated grey matter loss associated with age using GWAS data from previous studies. Baseline plasma biomarkers included pTau Results: BrainAge PRS moderated the association between age and pTau Discussion: Genetic risk for accelerated grey matter loss with aging is associated with elevated pTau
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