Study Maps Genetic Links to 249 Metabolic Traits in 619,000 People
Researchers conducted a genome-wide association study of 249 circulating metabolic traits using data from the Estonian Biobank and UK Biobank. The analysis identified more than 88,000 genetic associations across 8,398 loci.
neurosciencenews.comA genome-wide association study examined 249 circulating metabolic traits in up to 619,372 individuals from the Estonian Biobank and the UK Biobank. The study identified 88,127 common and low-frequency locus-trait associations from 8,398 loci. These associations converged on shared genes and pathways.
Researchers applied statistical fine mapping, phenome-wide colocalization, and cis-Mendelian randomization to explore causal connections between metabolic traits and disease outcomes. The analysis found that lowering branched-chain amino acid levels through the BCAA catabolism pathway is unlikely to reduce type 2 diabetes risk, despite prior observational associations.
1 and 1 percent. These variants showed twofold enrichment for predicted missense and splice-altering variants. The results indicate that including low-frequency variants strengthens genetic association studies of molecular traits.
Key Facts
Potential Impact
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Future studies may incorporate low-frequency variants when examining molecular traits.
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