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aumj 2017, 6(1): 75-81 Back to browse issues page
Association SOD2 Polymorphism(-9C/T) and Senile Cataract
A.R. Nakhaee, M. Sarvar Taherabadi
Abstract:   (3462 Views)

Introduction: One of the most common causes of blindness around the world is cataract, which is a multifactorial eye disease and a major cause the loss lens transparency in the aging population. Oxidative stress is a major factor that often leads to cataract formation. Oxidative stress is defined as a disturbance in the balance of reactive oxygen species (ROS) production  and antioxidant defenses, including enzymatic and non-enzymatic systems. One of the defense systems against free radicals is superoxide dismutase II (Mn SOD) enzyme. SOD enzyme catalyses the dismutation of superoxide anion to O2 and H2O2. Several polymorphism  have been found associated with SOD2 gene. Present study has been done to evaluaet effects of genetic polymorphism, including SOD2 C/T polymorphism in the -9 position in senile cataract patiens and normal individuals.

Material and methods: in this case- control study, there are 120 patients with senile cataract and 104 healthy people. We collected 2ml of whole blood in tubes containing EDTA, and then DNA extraction was performed. Polymorphisms were detected by PCR–RFLP technique.

Findings: The distribution of CC, CT, TT genotypes of SOD2 gene were 28.3%, 43.3% and 28.3% in the patient group and 24%, 48.1% and 27.9% in the healthy group, respectively.

Conclusion: No significant difference in the distribution SOD2 C/T polymorphism was observed between cases and controls. 

Keywords: Free‌ radical, Stress oxidative, Senile cataract, Superoxide dismutase, Polymorphism
Full-Text [PDF 287 kb]   (1448 Downloads)    
Type of Study: Research | Subject: Special
Received: 2017/01/20 | Accepted: 2017/01/20 | Published: 2017/01/20
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Nakhaee A, Sarvar Taherabadi M. Association SOD2 Polymorphism(-9C/T) and Senile Cataract. aumj. 2017; 6 (1) :75-81
URL: http://aums.abzums.ac.ir/article-1-521-en.html

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Volume 6, Issue 1 (1-2017) Back to browse issues page
نشریه دانشگاه علوم پزشکی البرز Alborz University Medical Journal
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