Genetic analysis of the soluble epoxide hydrolase gene, EPHX2, in subclinical cardiovascular disease in the Diabetes Heart Study

被引:51
作者
Burdon, Kathryn P. [1 ,2 ]
Lehtinen, Allison B. [1 ,2 ]
Langefeld, Carl D. [3 ]
Carr, J. Jeffrey [4 ]
Rich, Stephen S. [3 ]
Freedman, Barry I. [5 ]
Herrington, David [5 ]
Bowden, Donald W. [1 ,2 ,5 ]
机构
[1] Wake Forest Univ, Bowman Gray Sch Med, Dept Biochem, Winston Salem, NC 27157 USA
[2] Wake Forest Univ, Bowman Gray Sch Med, Ctr Human Genome, Winston Salem, NC 27157 USA
[3] Wake Forest Univ, Bowman Gray Sch Med, Dept Publ Hlth Sci, Winston Salem, NC 27157 USA
[4] Wake Forest Univ, Bowman Gray Sch Med, Dept Radiol, Winston Salem, NC 27157 USA
[5] Wake Forest Univ, Bowman Gray Sch Med, Dept Internal Med, Winston Salem, NC 27157 USA
关键词
calcified plaque; cardiovascular disease; gene polymorphisms; type; 2; diabetes;
D O I
10.3132/dvdr.2008.021
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Epoxide hydrolase is involved in metabolism of vasoactive and anti-inflammatory epoxyeicosatrienoic acids to their corresponding diols. Consequently, epoxide hydrolase 2 (EPHX2) is a candidate cardiovascular disease (CVD) gene. We investigated EPHX2 for association with subclinical CVD in European American (EA) and African American (AA) families from the Diabetes Heart Study. The R287Q polymorphism was associated with carotid artery calcified plaque (CarCP) in EAs. Other EPHX2 polymorphisms were associated with coronary artery calcified plaque (CorCP), CarCP or carotid artery intima-media thickness (IMT). Polymorphism rs7837347 was associated with all traits in the AAs (p=0.003, 0.001 and 0.017, respectively). Polymorphism rs7003694 displayed association with IMT (p=0.017) and, along with rs747276, a trend towards association with CorCP in diabetic EAs (p=0.057 and 0.080, respectively). These results provide additional evidence that EPHX2 contributes to the risk of subclinical CVD, although the true trait defining polymorphisms may not be identified and the effect size could be small.
引用
收藏
页码:128 / 134
页数:7
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