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Analysis of the Association between MDM4 rs4245739 Single Nucleotide Polymorphism and Breast Cancer Susceptibility by Negar Pedram, Nasser Pouladi, Mohammad A. Hosseinpour Feizi, Vahid Montazeri, Ebrahim Sakhinia, Mehrdad A. Estiar

Background: MDM4 is a negative regulator of the p53 tumor suppression pathway. Recent studies have revealed that the rs4245739 A>C polymorphism of MDM4 in the 3-untranslated region makes it a miR-191 target site which leads to lower MDM4 expression. This study is aimed to detect if rs4245739 single nucleotide polymorphism (SNP) of the MDM4 gene influences the breast cancer development in Iranian-Azeri women.
Methods: Blood samples were taken from 260 healthy controls and 220 breast cancer women with ethnicity of Iranian-Azeri. Genotyping was done using Tetra-ARMS PCR.
Results: Alleles of MDM4 rs4245739 SNP had no significant different frequency between patients and controls (p > 0.05). Additionally, genotypes of MDM4 rs4245739 SNP did not increase or decrease breast cancer risk in patients when compared to healthy women. Also, there was no significant association between the alleles of MDM4 rs4245739 SNP and clinicopathological factors (p > 0.05).
Conclusions: Considering the lack of association between MDM4 rs4245739 polymorphism and breast cancer, rs4245739 polymorphism of this gene seems to have no significant role in the pathophysiology of the disease.

DOI: 10.7754/Clin.Lab.2016.151128