Variations in the HHEX gene are associated with increased risk of type 2 diabetes in the Japanese population

被引：216

作者：

Horikoshi, M.

Hara, K.

Ito, C.

Shojima, N.

Nagai, R.

Ueki, K.

Froguel, P.

Kadowaki, T.

机构：

[1] Univ Tokyo, Grad Sch Med, Dept Metab Dis, Bunkyo Ku, Tokyo 1138655, Japan

[2] Tokyo Univ Hosp, Dept Clin Genome Informat, Tokyo 113, Japan

[3] Med Court Life Care Clin, Hiroshima, Japan

[4] Univ Tokyo, Grad Sch Med, Dept Cardiovasc Med, Tokyo, Japan

[5] Inst Pasteur, CNRS, UMR 8090, F-59019 Lille, France

来源：

DIABETOLOGIA | 2007年 / 50卷 / 12期

基金：

英国医学研究理事会;

关键词：

Japanese population; single nucleotide polymorphism; susceptibility gene; type; 2; diabetes;

D O I：

10.1007/s00125-007-0827-5

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

Aims/hypothesis Recently, several groups have carried out whole-genome association studies in European and European-origin populations and found novel type 2 diabetes-susceptibility genes, fat mass and obesity associated (FTO), solute carrier family 30 (zinc transporter), member 8 (SLC30A8), haematopoietically expressed homeobox (HHEX), exostoses (multiple) 2 (EXT2), CDK5 regulatory subunit associated protein 1- like 1 (CDKAL1), cyclindependent kinase inhibitor 2B (p15, inhibits CDK4) (CDKN2B) and insulin- like growth factor 2 mRNA binding protein 2 (IGF2BP2), which had not been in the list of functional candidates. The aim of this study was to determine the association between single nucleotide polymorphisms (SNPs) in these genes and type 2 diabetes in participants from the Japanese population. Methods Sixteen previously reported SNPs were genotyped in 864 Japanese type 2 diabetes individuals (535 men and 329 women; age 63.1 +/- 9.5 years (mean +/- SD), BMI 24.3 +/- 3.9 kg/m(2)) and 864 Japanese control individuals (386 men and 478 women; age 69.5 +/- 6.8 years, BMI 23.8 +/- 3.7 kg/m(2)). Results The SNPs rs5015480 [odds ratio (OR)= 1.46 (95% CI 1.20 - 1.77), p= 2.0 x 10(-4)], rs7923837 [OR= 1.40 (95% CI 1.17-1.68), p= 2.0 x 10(-4)] and rs1111875 [OR= 1.30 (95% CI 1.11 - 1.52), p= 0.0013] in HHEX were significantly associated with type 2 diabetes with the same direction as previously reported. SNP rs8050136 in FTO was nominally associated with type 2 diabetes [OR= 1.22 ( 95% CI 1.03 - 1.46), p= 0.025]. SNPs in other genes such as rs7756992 in CDKAL1, rs10811661 in CDKN2B and rs13266634 in SLC30A8 showed nominal association with type 2 diabetes. rs7756992 in CDKAL1 and rs10811661 in CDKN2B were correlated with impaired pancreatic beta cell function as estimated by the homeostasis model assessment beta index (p= 0.023, p= 0.0083, respectively). Conclusions/ interpretation HHEX is a common type 2 diabetes- susceptibility gene across different ethnic groups.

引用

页码：2461 / 2466

页数：6

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