期刊
ARCHIVES OF MEDICAL RESEARCH
卷 43, 期 3, 页码 205-211出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.arcmed.2012.03.011
关键词
eNOS; Endothelial nitric oxide polymorphisms; Nitric oxide; Cardiovascular risk factors; Acute coronary syndrome
Background and Aims. Endothelial rupture of coronary plaque can represent the pathomorphological substratum of acute coronary syndrome (ACS). Polymorphisms in the NOS3 gene (eNOS) -786T > C, 894G > T and intron 4 a/b VNTR can be associated with a higher susceptibility for ACS. The present study is focused on the investigation of the interaction of these polymorphisms and cardiovascular risk factors in 135 patients with ACS and 115 control subjects. Methods. Case-control study where the allele and genotype frequencies of the polymorphisms -786T > C, 894G > T and intron 4 VNTR of the gene encoding eNOS were determined by PCR-RFLP associated with cardiovascular risk factors. Results. An association of the 894TT genotype and 894GT+GG (OR 1.4; 95% CI 1.0-1.8) in ACS has been observed. Subjects without dyslipidemia and intron 4 a/b genotype present a lower chance for ACS development, whereas subjects without diabetes and 894TT genotype show a higher risk for ACS (OR 1.7; 95% CI 1.2-2.3). In patients without dyslipidemia, the 894GG genotype presented a tendency to behave as a protector factor against ACS. Also, the 894GG genotype has been a protective factor for ACS in females (OR 0.5; CI 95% 0.2-0.9). Conclusions. Our results suggest that eNOS polymorphisms may be an additional risk factor in development of ACS. (C) 2012 IMSS. Published by Elsevier Inc.
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