Oncotarget

Meta-Analysis:

An association between the endothelial nitric oxide synthase gene G894T polymorphism and premature coronary artery disease: a meta-analysis

Boqian Zhu, Xinmin Si, Yaoyao Gong, Gaoliang Yan, Dong Wang, Yong Qiao, Bo Liu, Jiantong Hou and Chengchun Tang _

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Oncotarget. 2017; 8:77990-77998. https://doi.org/10.18632/oncotarget.20400

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Abstract

Boqian Zhu1,*, Xinmin Si2,*, Yaoyao Gong2,*, Gaoliang Yan1, Dong Wang1, Yong Qiao1, Bo Liu1, Jiantong Hou1 and Chengchun Tang1,*

1Department of Cardiology, Zhongda Hospital, Southeast University, Nanjing, China

2Department of Gastroenterology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China

*These authors contributed equally to this work

Correspondence to:

Chengchun Tang, email: [email protected]

Keywords: premature coronary artery disease, G894T, Glu298Asp, polymorphism, endothelial nitric oxide synthase

Received: March 02, 2017     Accepted: July 29, 2017     Published: August 23, 2017

ABSTRACT

Previous epidemiological studies have suggested that genetic factors are more likely to influence the development of premature coronary artery disease (CAD) than disease in older patients. Several studies have evaluated the association between the G894T polymorphism located in an exon of endothelial nitric oxide synthase (eNOS) and the risk of premature CAD. However, the findings were inconsistent. Thus, we performed a meta-analysis to clarify the association; we conducted both overall and subgroup analyses. Odds ratios and 95% confidence interval were calculated to evaluate the association between the G894T polymorphism and the risk of premature CAD. Overall analysis revealed a significant association. Subgroup analysis in terms of ethnicity revealed a significant association, in all models evaluated, between the G894T polymorphism and susceptibility to premature CAD in mixed population. In contrast, no such association was evident in Caucasians and Asians. On further subgroup analysis based on the premature CAD subtypes, we found that the G894T polymorphism was correlated with premature myocardial infarction (MI) but not with premature CAD without MI. In conclusion, we confirmed that the eNOS G894T polymorphism is a risk factor for premature CAD, particularly in those suffering premature MI.


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