Abstract
Background: In TP53 gene, Arg72Pro polymorphism has been suggested to be associated with genetically determined susceptibility in various types of cancers including brain tumors. Our objective was to investigate the possible association between TP53 Arg72Pro polymorphism with brain tumor susceptibility and to examine its correlation with the clinico-pathologic variables of tumor cases for oncologic prognosis of patients. Materials and methods: The TP53 Arg72Pro genotypes were determined by Polymerase Chain Reaction- Based Restriction Fragment Length Polymorphism (PCR-RFLP) analysis in 90 age and gender matched brain tumor cases and 130 healthy controls. Results: We found significant difference in the frequency of Pro allele as 0.47 in cases versus 0.37 in controls (p 0.05). Proline related allele/genotype (GC) was significantly found associated in high grade malignant brain tumors, neuroepithelial tumors (p 0.05). Conclusion: Though overall distribution did not reveal significant association in TP53 Arg72Pro polymorphism among cases and controls but proline related genotype was found associated with susceptibility to the disease pathology.
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