:: Volume 19, Issue 1 (1-2015) ::
IBJ 2015, 19(1): 51-56 Back to browse issues page
Association between p53 Codon 72 (Arg72Pro) Polymorphism and Primary Open-Angle Glaucoma in Iranian Patients
Hossein Neamatzade , Reza Soleimanizad , Aref Atefi , Masoud Zare-Shehneh , Saba Gharibi , Abolfazl Shekari , Amir Bahman Rahimzadeh

Background: Glaucomatous neuropathy is a type of cell death due to apoptosis. The p53 gene is one of the regulatory genes of apoptosis. Recently, the association between the p53 gene encoding for proline at codon 72 and primary open-angle glaucoma (POAG) has been studied in some ethnic groups. This study is the first association analysis of POAG and p53 codon 72 polymorphism in Iranian patients. Methods: A cohort of 65 unrelated patients with POAG (age range from 12-62 years, mean ± SD of 40.16 ± 17.51 years) and 65 unrelated control subjects (without glaucoma, age range of 14-63 years, mean ± SD of 35.64 ± 13.61 years) were selected. In Iranian POAG patients and normal healthy controls, the p53 codon 72 polymorphism in exon 4 was amplified using polymerase chain reaction. The amplified DNA fragments were digested with the BstUI restriction enzyme, and the digestion patterns were used to identify the alleles for the polymorphic site. Results: Comparisons revealed significant differences in allele and genotype frequencies of Pro72Arg between POAG patients and control group. A higher risk of POAG was associated with allele Pro (OR = 2.1, 95% CI = 1.2–3.4) and genotype Pro/Pro (OR = 3.9, 95% CI = 0.13-12.7). Conclusion: The p53 Pro72 allele was more frequent in Iranian POAG patients than in the control group (P<0.05). The present findings show that the individuals with the Pro/Pro genotype may be more likely to develop POAG. However, additional studies are necessary to confirm this association.

Keywords: Primary open-angle glaucoma (POAG), Glaucoma, p53, Codon 72, Iran
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Type of Study: Full Length | Subject: Related Fields
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Neamatzade H, Soleimanizad R, Atefi A, Zare-Shehneh M, Gharibi S, Shekari A et al . Association between p53 Codon 72 (Arg72Pro) Polymorphism and Primary Open-Angle Glaucoma in Iranian Patients. IBJ. 2015; 19 (1) :51-56
URL: http://ibj.pasteur.ac.ir/article-1-1283-en.html

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