Revisão Acesso aberto Revisado por pares

The Function and Therapeutic Potential of Epstein-Barr Virus-Encoded MicroRNAs in Cancer

2019; Cell Press; Volume: 17; Linguagem: Inglês

10.1016/j.omtn.2019.07.002

ISSN

2162-2531

Autores

Man Wang, Bianli Gu, Xinzhe Chen, Yefu Wang, Peifeng Li, Kun Wang,

Tópico(s)

Circular RNAs in diseases

Resumo

Epstein-Barr virus (EBV) is a ubiquitous human γ-herpesvirus that infects over 90% of the global population. EBV is considered a contributory factor in a variety of malignancies including nasopharyngeal carcinoma, gastric carcinoma, Burkitt lymphoma, and Hodgkin's lymphoma. Notably, EBV was the first virus found to encode microRNAs (miRNAs). Increasing evidence indicates that EBV-encoded miRNAs contribute to the carcinogenesis and development of EBV-associated malignancies. EBV miRNAs have been shown to inhibit the expression of genes involved in cell proliferation, apoptosis, invasion, and immune signaling pathways. Therefore, EBV miRNAs perform a significant function in the complex host-virus interaction and EBV-driven carcinogenesis. However, the integrated mechanisms underlying the roles of EBV miRNAs in carcinogenesis remain to be further explored. In this review, we describe recent advances regarding the involvement of EBV miRNAs in the pathogenesis of EBV-associated malignancies and discuss their potential utility as cancer biomarkers. An in-depth investigation into the pro-carcinogenic role of EBV miRNAs will expand our knowledge of the biological processes associated with virus-driven tumors and contribute to the development of novel therapeutic strategies for the treatment of EBV-associated malignancies. Epstein-Barr virus (EBV) is a ubiquitous human γ-herpesvirus that infects over 90% of the global population. EBV is considered a contributory factor in a variety of malignancies including nasopharyngeal carcinoma, gastric carcinoma, Burkitt lymphoma, and Hodgkin's lymphoma. Notably, EBV was the first virus found to encode microRNAs (miRNAs). Increasing evidence indicates that EBV-encoded miRNAs contribute to the carcinogenesis and development of EBV-associated malignancies. EBV miRNAs have been shown to inhibit the expression of genes involved in cell proliferation, apoptosis, invasion, and immune signaling pathways. Therefore, EBV miRNAs perform a significant function in the complex host-virus interaction and EBV-driven carcinogenesis. However, the integrated mechanisms underlying the roles of EBV miRNAs in carcinogenesis remain to be further explored. In this review, we describe recent advances regarding the involvement of EBV miRNAs in the pathogenesis of EBV-associated malignancies and discuss their potential utility as cancer biomarkers. An in-depth investigation into the pro-carcinogenic role of EBV miRNAs will expand our knowledge of the biological processes associated with virus-driven tumors and contribute to the development of novel therapeutic strategies for the treatment of EBV-associated malignancies. 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Collectively, BART miRNAs account for a large proportion of total viral miRNAs in EBV-positive epithelial tumors, suggesting that BART miRNAs may be associated with the development of epithelial malignancies. In EBV-positive diffuse large B cell lymphoma (DLBCL) samples, all BART miRNAs were detected with the exception of miR-BART15 and miR-BART22.65Imig J. Motsch N. Zhu J.Y. Barth S. Okoniewski M. Reineke T. Tinguely M. Faggioni A. Trivedi P. Meister G. et al.microRNA profiling in Epstein-Barr virus-associated B-cell lymphoma.Nucleic Acids Res. 2011; 39: 1880-1893Crossref PubMed Scopus (0) Google Scholar Remarkably, miR-BART7, miR-BART10, miR-BART11-5p, miR-BART16, and miR-BART22 were the most abundantly expressed miRNAs. The most highly expressed viral miRNAs in NK/T cell lymphoma included miR-BART1-5p, miR-BART5, miR-BART7, miR-BART11-5p, and miR-BART19-3p.66Motsch N. Alles J. Imig J. Zhu J. Barth S. Reineke T. Tinguely M. Cogliatti S. Dueck A. 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