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Iranian Journal of Public Health، جلد ۳۵، شماره ۴، صفحات ۱۵-۲۱
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عنوان انگلیسی Association of Variable Number of Tandem Repeats in Endothelial Nitric Oxide Synthase Gene with Coronary Artery Disease
چکیده انگلیسی مقاله Endo-derived nitric oxide (NO) is synthesized from L-arginine by endothelium nitric oxide synthase (eNOS). Since reduced NO synthesis has been implicated in the development of coronary atherosclerosis; we hypothesized that polymorphisms of NOS gene might be associated with increased susceptibility to this disorder and coronary artery disease (CAD). We studied the 27 base pair tandem repeat polymorphism in intron4 of the endothelial nitric oxide synthase (eNOS) gene in 141 unrelated CAD patients with positive coronary angiograms in Shahid Rajaee Heart Hospital and 159 age matched control subjects without a history of symptomatic CAD. The study protocol was approved by the Iran University of Medical Sciences Ethics Committee. The eNOS gene intron4a/b VNTR polymorphism was analyzed by polymerase chain reaction. The plasma lipids levels and other risk factors were also determined. The genotype frequencies for eNOS4b/b, eNOS4a/b and eNOS4a/a were 68.8, 29.1 and 2.1% in CAD subjects, and 81, 18.4 and 0.6 % in control subjects, respectively. The genotype frequencies differed significantly between the two groups (χ²= 6.38 P= 0.041). The frequency of the allele was 16.7% in CAD subjects and 9.8% in control subjects and was significantly higher in the patients (χ²= 6.18 P= 0.013, odds ratio=1.84). Plasma lipids, except HDL-C were also remarkablely increased in CAD group.
کلیدواژه‌های انگلیسی مقاله Nitric oxide synthase gene
نویسندگان مقاله s سلیمی | s salimi


m فیروزرای | m firoozrai


i نورمحمدی | i nourmohammadi


دکتر محمد | m shabani


a zavarehee | a zavarehee


a محبی | a mohebbi


نشانی اینترنتی http://ijph.tums.ac.ir/index.php/ijph/article/view/2144
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