Abstract:
:Genome-wide association studies have identified over 150 loci associated with lipid traits, however, no large-scale studies exist for Hispanics and other minority populations. Additionally, the genetic architecture of lipid-influencing loci remains largely unknown. We performed one of the most racially/ethnically diverse fine-mapping genetic studies of HDL-C, LDL-C, and triglycerides to-date using SNPs on the MetaboChip array on 54,119 individuals: 21,304 African Americans, 19,829 Hispanic Americans, 12,456 Asians, and 530 American Indians. The majority of signals found in these groups generalize to European Americans. While we uncovered signals unique to racial/ethnic populations, we also observed systematically consistent lipid associations across these groups. In African Americans, we identified three novel signals associated with HDL-C (LPL, APOA5, LCAT) and two associated with LDL-C (ABCG8, DHODH). In addition, using this population, we refined the location for 16 out of the 58 known MetaboChip lipid loci. These results can guide tailored screening efforts, reveal population-specific responses to lipid-lowering medications, and aid in the development of new targeted drug therapies.
journal_name
Hum Mol Genetjournal_title
Human molecular geneticsauthors
Zubair N,Graff M,Luis Ambite J,Bush WS,Kichaev G,Lu Y,Manichaikul A,Sheu WH,Absher D,Assimes TL,Bielinski SJ,Bottinger EP,Buzkova P,Chuang LM,Chung RH,Cochran B,Dumitrescu L,Gottesman O,Haessler JW,Haiman C,Heissdoi
10.1093/hmg/ddw358subject
Has Abstractpub_date
2016-12-15 00:00:00pages
5500-5512issue
24eissn
0964-6906issn
1460-2083pii
2595394journal_volume
25pub_type
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