Aims: Variants in Hepatocyte Nuclear Factor 1 alpha (HNF1A) gene are associated with Metabolic Syndromeand its components independently. In this study, we aimed to assess the statistical association of the rs1169288, rs2464196 and rs735396 variants and haplotypes of HNF1A gene with metabolic syndrome (MS) and its components in a Moroccan population sample.
Methods: Three variants in the HNF1A gene were genotyped, rs1169288 A>C, rs2464196 G>A and rs735396 T>C in cases and controls from Moroccan population using KASPar technology (KBioscience, UK). Anthropometric and biochemical parameters were assessed. MS was defined according to the international Diabetes Federation (IDF). The effects of HNF1A polymorphisms and constructed haplotypes on MS were estimated using logistic regression analyses.
Results: The HNF1A gene, rs1169288 and rs2464196 variants conferred an increased risk to MS (OR=2.08, 95%CI=1.38-3.14, P=0.0005 and OR=1.52, 95%IC=1.05-2.20, P=0.03, respectively) when adjusted for BMI, sex and age. We found that the C allele of the variant rs735396 was associated with an increased triglycerides level (p-value=0.04434) among patients and high weist circumference (P=0.02005) and total cholesterol (P=0.03227) amount among controls. The haplotype AAT (OR=5.656, P<0.00001) was the most significantly associated with susceptibility to metabolic syndrome.
Conclusion: The present study demonstrated that SNPs rs1169288 and rs2464196 of HNF1A gene were significantly associated with metabolic syndrome in a Morrocan population. Furthermore, the CAC, AAC, AAT and AGT haplotypes of these SNPs and rs735396 were significantly associated with metabolic syndrome.
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