Variants in hepatocyte nuclear factor 4[alpha] are modestly associated with type 2 diabetes in Pima Indians.(Brief Genetics Report)

Single nucleotide polymorphisms (SNPs) within the hepatocyte nuclear factor 4[alpha] (HNF4[alpha]) 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 HNF4[alpha] locus on chromosome 20q12-13. To...

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Veröffentlicht in:Diabetes (New York, N.Y.) N.Y.), 2005-10, Vol.54 (10), p.3035
Hauptverfasser: Muller, Yunhua Li, Infante, Aniello M, Hanson, Robert L, Love-Gregory, Latisha, Knowler, William, Bogardus, Clifton, Baier, Leslie J
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Sprache:eng
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Zusammenfassung:Single nucleotide polymorphisms (SNPs) within the hepatocyte nuclear factor 4[alpha] (HNF4[alpha]) 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 HNF4[alpha] locus on chromosome 20q12-13. To investigate whether HNF4[alpha] 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 HNF4[alpha] were genotyped for association analysis. In a group of 1,037 Pima Indians (573 diabetic and 464 nondiabetic subjects), three SNPs in HNF4[alpha] (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 HNF4[alpha] do not appear to be major determinants for type 2 diabetes in Pima Indians; however, HNF4[alpha] may have a minor role in type 2 diabetes susceptibility within this Native American population.
ISSN:0012-1797
1939-327X