Observational studyAlzheimer's & dementia : the journal of the Alzheimer's Association2026
Stratification by a polygenic risk score of common variation aids in Alzheimer's disease rare variant discovery.
Observational study in Alzheimer's & dementia : the journal of the Alzheimer's Association, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Stratification by a polygenic risk score of common variation aids in Alzheimer's disease rare variant discovery.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2026Observational
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14 authors.
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Abstract
introductionWe utilized an Alzheimer's disease (AD) polygenic risk score (PRS) to discover associations with novel rare variants (RVs).
methodsPRSs for European ancestry (EA) participants of the Alzheimer's Disease Sequencing Project were calculated using summary statistics from a large genome-wide association study. Participants were classified into high (n = 5738) and low (n = 5324) PRS groups based on the median PRS and on the lower and upper 35% of the PRS distribution.
resultsRisk variants were disproportionately enriched in the low-PRS group, while protective ones were disproportionately enriched in the high-PRS group. Genome-wide significant (GWS) associations for increased AD risk were identified with RVs spanning a 3.5-Mb region on chromosome 14. GWS protective variants in ALDH9A1, BICC1, and PAN3 were identified in the upper 35% PRS group.
conclusionOur findings provide unique opportunities to study RVs whose effects are opposite to the risk conferred by the genetic background.
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