| Affiliation: | 1.Department of Clinical and Chemical Pathology, Kasr Al-Ainy Faculty of Medicine,Cairo University,Cairo,Egypt;2.Department of Obstetrics and Gynecology, Kasr Al-Ainy Faculty of Medicine,Cairo University,Cairo,Egypt;3.Giza,Egypt |
| Abstract: | The risk of miscarriage is enhanced by genetic and environmental factors. Several studies indicated that there was an association between endothelial nitric oxide synthase activity, implantation, and the maintenance of pregnancy. However, the results of these studies remain controversial. The aim of our study was to determine the association between recurrent spontaneous miscarriage (RSM) in Egyptian women and two common polymorphisms of the endothelial nitric oxide synthase (eNOS) gene: intron 4 and T-786C. The study was conducted on a total number of 100 participants, 50 patients with RSM and 50 age-matched healthy controls. Patients and controls were investigated for the two polymorphisms. Genotyping of the eNOS intron 4 polymorphisms was performed by PCR assay. Our results indicated that there was a significant difference in the frequencies of the genotypes between case and control groups for the polymorphisms in both intron 4 (odds ratio (OR) 5.09, 95 % confidence interval (CI) 2.091–12.396, P?P?
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