Abstract
Background: Micro-RNAs (miRs) play several roles during infections with viruses. Therefore, the roles of miR21 and mir155 in the induction of the viral-related cancers have been the focus of attention in several studies. High risk human papilloma viruses (HPVs) are the main factors negatively contributing to the induction of HPV-related cancers. This study aimed to evaluate the expression of miR21 and mir155 in the patients with HPV-high risk genotypes in order to explore the roles of the miRs in the induction of HPV-related cancers. Methods: In this study, 40 women infected with the high-risk HPV genotypes as well as 40 healthy controls were examined regarding the relative expression of miR21 and mir155 by adopting real-time polymerase chain reaction (PCR) technique. U6 was used for data normalization of miRNAs. Results: Relative expressions of both miR21 and miR155 were significantly higher in the HPV-infected patients compared to those in non-infected women. Conclusions: It was concluded that miR21 and miR155 may have played key roles in the induction of HPV-related cancers among Iranian patients.
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