Abstract:
:Most genome-wide association studies are based on samples of European descent. We assess whether the genetic determinants of blood lipids, a major cardiovascular risk factor, are shared across populations. Genetic correlations for lipids between European-ancestry and Asian cohorts are not significantly different from 1. A genetic risk score based on LDL-cholesterol-associated loci has consistent effects on serum levels in samples from the UK, Uganda and Greece (r = 0.23-0.28, p < 1.9 × 10-14). Overall, there is evidence of reproducibility for ~75% of the major lipid loci from European discovery studies, except triglyceride loci in the Ugandan samples (10% of loci). Individual transferable loci are identified using trans-ethnic colocalization. Ten of fourteen loci not transferable to the Ugandan population have pleiotropic associations with BMI in Europeans; none of the transferable loci do. The non-transferable loci might affect lipids by modifying food intake in environments rich in certain nutrients, which suggests a potential role for gene-environment interactions.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Kuchenbaecker K,Telkar N,Reiker T,Walters RG,Lin K,Eriksson A,Gurdasani D,Gilly A,Southam L,Tsafantakis E,Karaleftheri M,Seeley J,Kamali A,Asiki G,Millwood IY,Holmes M,Du H,Guo Y,Kumari M,Dedoussis G,Li L,Chen Zdoi
10.1038/s41467-019-12026-7subject
Has Abstractpub_date
2019-09-24 00:00:00pages
4330issue
1issn
2041-1723pii
10.1038/s41467-019-12026-7journal_volume
10pub_type
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