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The Role of miRNAs in Virus-Mediated Oncogenesis

Publication at Faculty of Science |
2018

Abstract

To date, viruses are reported to be responsible for more than 15% of all tumors worldwide. The oncogenesis could be influenced directly by the activity of viral oncoproteins or by the chronic infection or inflammation.

The group of human oncoviruses includes Epstein-Barr virus (EBV), human papillomavirus (HPV), hepatitis B virus (HBV), hepatitis C virus (HCV), human herpesvirus 8 (HHV-8) or polyomaviruses, and transregulating retroviruses such as HIV or HTLV-1. Most of these viruses express short noncoding RNAs called miRNAs to regulate their own gene expression or to influence host gene expression and thus contribute to the carcinogenic processes.

In this review, we will focus on oncogenic viruses and summarize the role of both types of miRNAs, viral as well as host's, in the oncogenesis.