International journal of reproductive biomedicine · 2018
The frequency of TP53 R72P and MDM2 309T>G polymorphisms in Iranian infertile men with spermatogenetic failure: A case-control study.
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Ebrahim Abadi Zeinab, Khademi Bami Maryam, Golzadeh Maryam, Kalantar Seyed Mehdi, Sheikhha Mohammad Hasan
Аннотация
BACKGROUND: Tumor protein p53 (TP53) is a tumor suppressor transcriptional regulator protein which plays a critical role in the spermatogenesis. One of the most important regulators of p53 is Murine double minute 2 (MDM2), which acts as a negative regulator of the p53 pathway. Based on the key role of p53 and MDM2 in germ cell apoptosis, polymorphisms that cause a change in their function might affect germ cell apoptosis and the risk of male infertility.
OBJECTIVE: This study was designed to examine associations of TP53 72 Arg>Pro (rs1042522), and MDM2 309 T>G (rs937283) polymorphisms with spermatogenetic failure in Iranian population.
MATERIALS AND METHODS: A case-control study was conducted with 150 nonobstructive azoospermia or severe oligozoospermia and 150 fertile controls. The two polymorphisms, 72 Arg>Pro in TP53 and 309 T>G in MDM2, were genotyped using PCR-RFLP and ARMS-PCR respectively.
RESULTS: Our analyses revealed that the allele and genotype frequencies of the TP53 R72P polymorphism were not significantly different between the cases and controls (p=0.41, p=0.40 respectively). Also, no significant differences were found in the allelic (p=0.46) and genotypic (p=0.78) distribution of MDM2 309 T>G polymorphism between patients and controls.
CONCLUSION: The results of this study indicate that polymorphisms of TP53 and MDM2 genes are unlikely to contribute to the pathogenesis of male infertility with spermatogenetic failure.
OBJECTIVE: This study was designed to examine associations of TP53 72 Arg>Pro (rs1042522), and MDM2 309 T>G (rs937283) polymorphisms with spermatogenetic failure in Iranian population.
MATERIALS AND METHODS: A case-control study was conducted with 150 nonobstructive azoospermia or severe oligozoospermia and 150 fertile controls. The two polymorphisms, 72 Arg>Pro in TP53 and 309 T>G in MDM2, were genotyped using PCR-RFLP and ARMS-PCR respectively.
RESULTS: Our analyses revealed that the allele and genotype frequencies of the TP53 R72P polymorphism were not significantly different between the cases and controls (p=0.41, p=0.40 respectively). Also, no significant differences were found in the allelic (p=0.46) and genotypic (p=0.78) distribution of MDM2 309 T>G polymorphism between patients and controls.
CONCLUSION: The results of this study indicate that polymorphisms of TP53 and MDM2 genes are unlikely to contribute to the pathogenesis of male infertility with spermatogenetic failure.