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Deep coverage whole genome sequences and plasma lipoprotein(a) in individuals of European and African ancestries
Name
s41467-018-04668-w.pdf
Description
Published version
Size
3.37 MB
Format
Adobe PDF
Checksum (MD5)
1da915b9fd7cc229a8b192751666e802
Date Issued
2018
Journal
Nature Communications
Publisher
Springer Science and Business Media LLC
Version
Final published version
Abstract
© 2018 The Author(s). Lipoprotein(a), Lp(a), is a modified low-density lipoprotein particle that contains apolipoprotein(a), encoded by LPA, and is a highly heritable, causal risk factor for cardiovascular diseases that varies in concentrations across ancestries. Here, we use deep-coverage whole genome sequencing in 8392 individuals of European and African ancestry to discover and interpret both single-nucleotide variants and copy number (CN) variation associated with Lp(a). We observe that genetic determinants between Europeans and Africans have several unique determinants. The common variant rs12740374 associated with Lp(a) cholesterol is an eQTL for SORT1 and independent of LDL cholesterol. Observed associations of aggregates of rare non-coding variants are largely explained by LPA structural variation, namely the LPA kringle IV 2 (KIV2)-CN. Finally, we find that LPA risk genotypes confer greater relative risk for incident atherosclerotic cardiovascular diseases compared to directly measured Lp(a), and are significantly associated with measures of subclinical atherosclerosis in African Americans.
Terms of Use
Creative Commons Attribution 4.0 International license
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DOI of Published Version
10.1038/S41467-018-04668-W
