Browsing by Author "Seckin, Satilmis"

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    786T/c endothelial nitric oxide synthase gene polymorphism and coronary collateral circulation
    (POLISH ACAD SCIENCES, INST IMMUNOL \& EXP THERAPY, 2016-01-01) Seckin, Satilmis; Emrah, Bozbeyoglu; Biyik, Ismail; Emre, Arugaslan; Burak, Tangurek; Azmi, Sungur; Omer, Celik; Sinan, Dagdelen
    Introduction: In this study, we investigated the association between -786T/C polymorphism of the endothelial nitric oxide (NOS3) gene in which thymidine is replaced by a cytosine at nucleotide -786 (rs 2070744) and coronary collateral circulation (CCC) in patients with stable coronary artery disease. Materials \& Methods: 286 patients having a critical stenosis (> 95\%) in at least one major epicardial coronary vessel were included in the study. CCC was defined according to the Rentrop classification (R). Patients with R0-1 CCC were included in the poor CCC group and subjects with R2-3 CCC were assigned to the good CCC group. The polymerase chain reaction method was used for genotyping. 152 patients with poor CCC and 134 patients with good CCC were examined. Results: The frequency of cytosine-cytosine (CC) and thymidine-cytosine (TC) genotypes and allele C were higher in the poor CCC group, but the difference did not reach statistical significance. In the dominant model, the frequency of CC+TC vs. thymidine-thymidine (TT) genotypes was significantly higher in the poor CCC group (67.1\% vs. 54.5\%, respectively