Common, low-frequency, and rare genetic variants associated with lipoprotein subclasses and triglyceride measures in Finnish men from the METSIM study

Lipid and lipoprotein subclasses are associated with metabolic and cardiovascular diseases, yet the genetic contributions to variability in subclass traits are not fully understood. We conducted single-variant and gene-based association tests between 15.1M variants from genome-wide and exome array a...

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Vydáno v:PLoS genetics Ročník 13; číslo 10; s. e1007079
Hlavní autoři: Davis, James P., Huyghe, Jeroen R., Locke, Adam E., Jackson, Anne U., Sim, Xueling, Stringham, Heather M., Teslovich, Tanya M., Welch, Ryan P., Fuchsberger, Christian, Narisu, Narisu, Chines, Peter S., Kangas, Antti J., Soininen, Pasi, Ala-Korpela, Mika, Kuusisto, Johanna, Collins, Francis S., Laakso, Markku, Boehnke, Michael, Mohlke, Karen L.
Médium: Journal Article
Jazyk:angličtina
Vydáno: United States Public Library of Science 30.10.2017
Public Library of Science (PLoS)
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ISSN:1553-7404, 1553-7390, 1553-7404
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Shrnutí:Lipid and lipoprotein subclasses are associated with metabolic and cardiovascular diseases, yet the genetic contributions to variability in subclass traits are not fully understood. We conducted single-variant and gene-based association tests between 15.1M variants from genome-wide and exome array and imputed genotypes and 72 lipid and lipoprotein traits in 8,372 Finns. After accounting for 885 variants at 157 previously identified lipid loci, we identified five novel signals near established loci at HIF3A, ADAMTS3, PLTP, LCAT, and LIPG. Four of the signals were identified with a low-frequency (0.005<minor allele frequency [MAF]<0.05) or rare (MAF<0.005) variant, including Arg123His in LCAT. Gene-based associations (P<10-10) support a role for coding variants in LIPC and LIPG with lipoprotein subclass traits. 30 established lipid-associated loci had a stronger association for a subclass trait than any conventional trait. These novel association signals provide further insight into the molecular basis of dyslipidemia and the etiology of metabolic disorders.
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ML, MB, and KLM also contributed equally to this work.
I have read the journal's policy and the authors of this manuscript have the following competing interests: AJK and PS are shareholders of Brainshake Ltd., a company offering NMR‑based metabolite profiling. AJK and PS report employment relation for Brainshake Ltd.
ISSN:1553-7404
1553-7390
1553-7404
DOI:10.1371/journal.pgen.1007079