Methods and Results: Here, we augment the sample with 140,886 European individuals from the UK Biobank, in whom 77 of the 100 suggestive SNVs were available for association analysis with systolic or diastolic blood pressure (SBP, DBP) or pulse pressure (PP). We performed two metaanalyses, one in individuals of European, South Asian, African and Hispanic descent (panancestry, ~475,000), and the other in the subset of individuals of European descent (~423,000). Twenty-one SNVs were genome-wide significant (P < 5x10-8) for BP, of which four are new BP loci: rs9678851 (missense, SLC4A1AP), rs7437940 (AFAP1), rs13303 (missense, STAB1) and rs1055144 (7p15.2). In addition, we identified a potentially independent novel BP-associated SNV (rs3416322 (missense, SYNPO2L) at a known locus, uncorrelated with the previously reported SNVs. Two SNVs are associated with expression levels of nearby genes, and SNVs at three loci are associated with other traits. One SNV with a minor allele frequency < 0.01, (rs3025380 at DBH) was genome-wide significant.
Conclusions: We report four novel loci associated with BP regulation, and one independent variant at an established BP locus. This analysis highlights several candidate genes with variation that alter protein function or gene expression for potential follow-up.
- Blood Pressure
- Genetic, Association Studies
- Gene Expression and Regulation
- Exome chip
- UK Biobank