LIPC variants as genetic determinants of adiposity status, visceral adiposity indicators, and triglyceride-glucose (TyG) index-related parameters mediated by serum triglyceride levels

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Title:	LIPC variants as genetic determinants of adiposity status, visceral adiposity indicators, and triglyceride-glucose (TyG) index-related parameters mediated by serum triglyceride levels
Authors:	Teng, MS (Teng, Ming-Sheng) Wu, S (Wu, Semon) Er, LK (Er, Leay-Kiaw) Hsu, LA (Hsu, Lung-An) Chou, HH (Chou, Hsin-Hua) Ko, YL (Ko, Yu-Lin)
Contributors:	生命科學系
Keywords:	HEPATIC LIPASE GENE GENOME-WIDE ASSOCIATION INSULIN-RESISTANCE ACCUMULATION PRODUCT CHOLESTEROL LEVELS DIABETES-MELLITUS MORTALITY HYPERLIPIDEMIA OBESITY RISK
Date:	2018-11-06
Issue Date:	2019-01-16 11:51:11 (UTC+8)
Abstract:	BackgroundVisceral adiposity indicators and the product of triglyceride and fasting plasma glucose (TyG) index-related parameters are effective surrogate markers for insulin resistance (IR) and are predictors of metabolic syndrome and diabetes mellitus. However, their genetic determinants have not been previously reported. Pleiotropic associations of LIPC variants have been observed in lipid profiles and atherosclerotic cardiovascular diseases. We aimed to investigate LIPC polymorphisms as the genetic determinants of adiposity status, visceral adiposity indicators and TyG index-related parameters.MethodsA total of 592 participants from Taiwan were genotyped for three LIPC single nucleotide polymorphisms (SNPs).ResultsThe LIPC SNPs rs2043085 and rs1532085 were significantly associated with body mass index (BMI), waist circumference (WC), lipid accumulation product, visceral adiposity index, and TyG index-related parameters [including the TyG index, TyG with adiposity status (TyG-BMI), and TyG-WC index], whereas the rs1800588 SNP was only significantly associated with the TyG index. The associations became nonsignificant after further adjustment for serum TG levels. No significant association was observed between any the studied LIPC SNPs and IR status.ConclusionOur data revealed a pleiotropic association between the LIPC variants and visceral adiposity indicators and TyG index-related parameters, which are mediated by serum TG levels.
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