Studies of association of AGPAT6 variants with type 2 diabetes and related metabolic phenotypes in 12,068 Danes

Lena Sønder Snogdal, Niels Grarup, Karina Banasik, Mette Wod, Torben Jørgensen, Daniel Rinse Witte, Torsten Lauritzen, Aneta A Nielsen, Ivan Brandslund, Cramer Christensen, Oluf Borbye Pedersen, Knud Yderstræde, Henning Beck-Nielsen, Jan Erik Henriksen, Torben Hansen, Kurt Højlund

Research output: Contribution to journalJournal articleResearchpeer-review


Background: Type 2 diabetes, obesity and insulin resistance are characterized by hypertriglyceridemia and ectopic accumulation of lipids in liver and skeletal muscle. AGPAT6 encodes a novel glycerol-3 phosphate acyltransferase, GPAT4, which catalyzes the first step in the de novo triglyceride synthesis. AGPAT6-deficient mice show lower weight and resistance to diet- and genetically induced obesity. Here, we examined whether common or low-frequency variants in AGPAT6 associate with type 2 diabetes or related metabolic traits in a Danish population.Methods: Eleven variants selected by a candidate gene approach capturing the common and low-frequency variation of AGPAT6 were genotyped in 12,068 Danes from four study populations of middle-aged individuals. The case-control study involved 4,638 type 2 diabetic and 5,934 glucose-tolerant individuals, while studies of quantitative metabolic traits were performed in 5,645 non-diabetic participants of the Inter99 Study.Results: None of the eleven AGPAT6 variants were robustly associated with type 2 diabetes in the Danish case-control study. Moreover, none of the AGPAT6 variants showed association with measures of obesity (waist circumference and BMI), serum lipid concentrations, fasting or 2-h post-glucose load levels of plasma glucose and serum insulin, or estimated indices of insulin secretion or insulin sensitivity.Conclusions: Common and low-frequency variants in AGPAT6 do not significantly associate with type 2 diabetes susceptibility, or influence related phenotypic traits such as obesity, dyslipidemia or indices of insulin sensitivity or insulin secretion in the population studied.

Original languageEnglish
Article number113
JournalBMC Medical Genetics
Pages (from-to)113
Publication statusPublished - 25. Oct 2013


  • AGPAT6
  • GPAT4
  • Genetics
  • Human
  • Insulin resistance
  • Lipid droplets
  • Type 2 diabetes


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