Abstract
Aims: The present study aimed to understand the relationship between the mTOR gene SNP (rs2536) and reproductive cancer risk. The expression level of miRNA-767 was also assessed. Methods: 700 tumor samples (300 breast, 200 ovarian and 200 cervical cancers), along with adjacent uninvolved control tissue, were used. rs2536 was screened using Tetra-ARMS PCR and expression level of miRNA-767 was assessed using quantitative PCR. Results: The frequency of the homozygous mutant genotype of rs2536 was observed significantly higher in breast (p<0.04), ovarian (p<0.005) and cervical (p<0.003) cancers. Significant downregulation of miRNA-767 was observed in tumors compared with controls. Conclusion: The present study demonstrates that increased mutant frequency of rs2536 and deregulation of miRNA-767 are associated with increased reproductive cancer risk.
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