Variants in hepatocyte nuclear factor 4α are modestly associated with type 2 diabetes in Pima Indians

Yunhua Li Muller, Aniello M. Infante, Robert L. Hanson, Latisha Love-Gregory, William Knowler, Clifton Bogardus, Leslie J. Baier

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44 Scopus citations


Single nucleotide polymorphisms (SNPs) within the hepatocyte nuclear factor 4α (HNF4α) gene are associated with type 2 diabetes in Finns and Ashkenazi Jews. Previous studies in both populations have reported linkage to type 2 diabetes near the HNF4α locus on chromosome 20q12-13. To investigate whether HNF4α is a diabetes susceptibility gene in Pima Indians, a population with the highest reported prevalence of type 2 diabetes but with no evidence for linkage of the disease on chromosome 20q, 19 SNPs across the promoter and coding region of HNF4α were genotyped for association analysis. In a group of 1,037 Pima Indians (573 diabetic and 464 nondiabetic subjects), three SNPs in HNF4α (rs3212183 and rs2071197 located in introns 3 and 1, respectively, and rs6031558, an extremely rare SNP located in the P2 promoter region) were modestly associated with type 2 diabetes (rs3212183 odds ratio [OR] 1.34 [95% CI 1.07-1.67], P = 0.009; rs2071197 1.34 [1.07-1.66], P = 0.008; and rs6031558 3.18 [1.03-9.84], P = 0.04, adjusted for age, sex, birth year, heritage, and family membership). We conclude that variants in HNF4α do not appear to be major determinants for type 2 diabetes in Pima Indians; however, HNF4α may have a minor role in type 2 diabetes susceptibility within this Native American population.

Original languageEnglish
Pages (from-to)3035-3039
Number of pages5
Issue number10
StatePublished - Oct 2005


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