ArticleCirculation2026
Association of Common Ancestry-Enriched Variants With Cardiomyopathy and Arrhythmias.
Article in Circulation, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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Who cites it
1 citing paper in PubMed.
- Prevalence and Clinical Impact of Pathogenic Variants in Cardiomyopathy Genes Among Individuals with Cardiac Conduction Disorders.medRxiv : the preprint server for health sciences · 2026Article
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Authors and funding
3 authors.
Funding
Abstract
backgroundIndividuals of African ancestry are underrepresented in genetic studies, contributing to disproportionately higher rates of variants of uncertain significance (VUS) and fewer actionable results in genetic testing for cardiomyopathies and arrhythmias. We aimed to determine whether ancestry-enriched VUS confer measurable cardiovascular risk among individuals of African ancestry.
methodsWe identified VUS enriched in individuals of African ancestry in 18 cardiomyopathy and arrhythmia genes. We defined enriched as allele frequency in gnomAD ≥2-fold higher than in European (non-Finnish) individuals, and we confined the analysis to VUS with allele frequency >0.05% in individuals of African ancestry. Associations with cardiovascular phenotypes were assessed in 96 897 individuals of African ancestry from the All of Us (n=65 481) and BioVU (n=31 416) biobanks using fixed-effects meta-analysis. Analyses were stratified by heart failure (HF) status and conventional cardiovascular risk factors.
resultsWe identified 82 ancestry-enriched VUS. Exploratory analysis in All of Us identified 10 variants associated with composite cardiovascular outcome, 4 of which were associated with individual cardiovascular phenotypes in pooled meta-analysis across both cohorts.
conclusionsLarge-scale biobank analysis identified variants classified as VUS that conferred increased risk of cardiomyopathy and arrhythmia in individuals with African ancestry. The risk associated with these variants was increased in the presence of cardiovascular risk factors and HF.
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