E-selectin gene polymorphisms are associated with essential hypertension: a case-control pilot study in a Chinese population

被引:18
作者
Wang, Zuoguang [1 ]
Liu, Ya [1 ]
Liu, Jieling [1 ]
Liu, Kuo [1 ]
Lou, Yuqin [1 ]
Wen, Jie [1 ]
Niu, Qiuli [1 ]
Wen, Shaojun [1 ]
Wu, Zhaosu [2 ]
机构
[1] Capital Univ Med Sci, Dept Hypertens, Beijing Anzhen Hosp, Beijing Inst Heart Lung Blood Vessel Dis, Beijing 100029, Peoples R China
[2] Capital Univ Med Sci, Dept Cardiovasc Epidemiol, Beijing Anzhen Hosp, Beijing Inst Heart Lung Blood Vessel Dis, Beijing 100029, Peoples R China
基金
北京市自然科学基金; 国家高技术研究发展计划(863计划);
关键词
CORONARY-ARTERY-DISEASE; BLOOD-PRESSURE; S128R POLYMORPHISM; DIABETES-MELLITUS; RISK; ATHEROSCLEROSIS;
D O I
10.1186/1471-2350-11-127
中图分类号
Q3 [遗传学];
学科分类号
071007 ; 090102 ;
摘要
Background: Genetic variation is thought to contribute to the etiology of hypertension, and E-selectin is a candidate essential hypertension-associated gene. This study thus sought to investigate possible genetic associations between the T1880C, C602A and T1559C polymorphisms of E-selectin and essential hypertension. Methods: Hypertensive patients (n = 490) and healthy normotensive subjects (n = 495) were screened for the genotypes T1880C, C602A and T1559C using real-time quantitative polymerase chain reaction after DNA extraction to identify representative variations in the E-selectin gene. The associations between genotypes and alleles of the three mutations and essential hypertension were then analyzed using a case-control study. Results: Hypertensive patients and normotensive subjects were significantly different with respect to the genotypes CC, CA and AA (P = 0.005) and the C-allele frequency of C602A (P = 0.001). A comparison of dominant versus recessive models also revealed significant differences between the two groups (P = 0.004 and P = 0.02). When subgrouped by gender, these indexes differed significantly between normotensive and essential hypertensive males, but not in females. The additive model of the T1559C genotype did not differ between essential hypertensive and normotensive groups overall (P = 0.39), but it was different between hypertensive and normotensive males (P = 0.046) and females (P = 0.045). The CC + TC versus TT frequency of T1559C was also different in the recessive model of male hypertensive and normotensive groups (P = 0.02). Further analysis showed that C602A and T1559C were significantly associated with hypertension (C602A: OR = 7.58, 95% CI = 1.53-11.97, P < 0.01; and T1559C: OR = 6.77, 95% CI = 1.07-1.83, P < 0.05). The frequency of the C-C-C haplotype was significantly higher in hypertensive patients than in control individuals as well as in hypertensive and normotensive males (P = 0.008 and 0.01). The frequency of the C-A-T haplotype was higher only in male hypertensives and normotensives (P = 0.015). Furthermore, there was a significant interaction between E-selectin and gender (P = 0.02 for C602A and 0.04 for T1559C). Conclusion: C602A and T1559C may be independent risk factors for essential hypertension in the Chinese population, whereas T1880C is not.
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页数:7
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