Open AccessEvaluation of NOS2 Polymorphism in Gastric Adenocarcinoma Patients in Mazandaran Province
Author(s) -
Mahshad Hooshyar,
Saeed Abediankenari,
Abbas Mohammadpour,
Habibeh Mirmajidi,
Majid JafariSabet,
Ramin Ataee
Publication year - 2021
Publication title -
majallah-i dānishgāh-i 'ulūm-i pizishkī-i shahīd ṣadūqī yazd/majallah-i dānishgāh-i 'ulūm-i pizishkī va khadamāt-i bihdāshtī-darmānī shahīd ṣadūqī yazd
Language(s) - English
Resource type - Journals
eISSN - 2228-5741
pISSN - 2228-5733
DOI - 10.18502/ssu.v29i6.6994
Subject(s) - genotype , medicine , gastroenterology , odds ratio , cancer , haplotype , gene , genetics , biology
Introduction: Gastric cancer is the fourth most common cancer and the second leading cause of cancer death worldwide. North of Iran is a high-risk area for gastric cancer. Nitric oxide (NO), mainly synthesized by inducible nitric oxide synthase (NOS2) in pathological conditions, plays an important role in cytotoxicity, inflammation and fibrosis. In this research we studied the effect of (rs1137933) T>C genotype on gastric cancer.
Methods: This analysis was performed on 93 patients with gastric cancer who were referred to endoscopy Tuba Clinic in 2015 and 93 healthy individuals as controls. DNA extracted from peripheral blood samples was applied in PCR-RFLP (Polymerase chain reaction- restriction fragment length polymorphism) analysis to determine (rs1137933) T>C genotype. The association of the (rs1137933) T>C genotype and gastric cancer risk were analyzed by MedCalc software and (X2) Chi-square and (OR) Odds Ratio exams.
Results: Frequency of TT, CT, and CC genotypes in cases was 12.61, 51.35 and 36% and 38.7, 34.4, and 26.8% in the control group. Significant association was found between (rs1137933) T>C genotype with gastric cancer chance, P<0.05, OR=2/04, 95% CI (1/37 to 3/03).
Conclusion: The results of the study show that the presence of CC+CT genotypes may increase the risk of gastric cancer. P C single nucleotide polymorphism of NOS2 gene could be an appropriate molecular marker that could be used to determine individual sensitivity to gastric cancer and for designing cancer prevention programs.