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Interaction Effects of Lipoprotein Lipase Polymorphisms with Lifestyle on Lipid Levels in a Korean Population: A Cross-sectional Study

Authors
Pyun, JA; Kim, S; Park, K; Baik, I; Cho, NH; Koh, I; Lee, JY; Cho, YS; Kim, YJ; Go, MJ; Shim, E; Kwack, K; Shin, C
Citation
Genomics & informatics, 10(2):88-98, 2012
Journal Title
Genomics & informatics
ISSN
1598-866X2234-0742
Abstract
Lipoprotein lipase (LPL) plays an essential role in the regulation of high-density lipoprotein cholesterol (HDLC) and triglyceride levels, which have been closely associated with cardiovascular diseases. Genetic studies in European have shown that LPL single-nucleotide polymorphisms (SNPs) are strongly associated with lipid levels. However, studies about the influence of interactions between LPL SNPs and lifestyle factors have not been sufficiently performed. Here, we examine if LPL polymorphisms, as well as their interaction with lifestyle factors, influence lipid concentrations in a Korean population. A two-stage association study was performed using genotype data for SNPs on the LPL gene, including the 3' flanking region from 7,536 (stage 1) and 3,703 (stage 2) individuals. The association study showed that 15 SNPs and 4 haplotypes were strongly associated with HDLC (lowest p = 2.86 × 10-22) and triglyceride levels (lowest p = 3.0 × 10-15). Interactions between LPL polymorphisms and lifestyle factors (lowest p = 9.6 × 10-4) were also observed on lipid concentrations. These findings suggest that there are interaction effects of LPL polymorphisms with lifestyle variables, including energy intake, fat intake, smoking, and alcohol consumption, as well as effects of LPL polymorphisms themselves, on lipid concentrations in a Korean population.
Keywords
interactionlipoprotein lipaselipoproteinslipidssingle nucleotide polymorphism
DOI
10.5808/GI.2012.10.2.88
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Preventive Medicine & Public Health
AJOU Authors
조, 남한
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