期刊
PLOS PATHOGENS
卷 11, 期 1, 页码 -出版社
PUBLIC LIBRARY SCIENCE
DOI: 10.1371/journal.ppat.1004561
关键词
-
资金
- Public Health Service [R01 CA65883, R01 AI18757]
The human herpes virus Epstein-Barr virus (EBV) latently infects and drives the proliferation of B lymphocytes in vitro and is associated with several forms of lymphoma and carcinoma in vivo. The virus encodes similar to 30 miRNAs in the BART region, the function of most of which remains elusive. Here we have used a new mouse xenograft model of EBV driven carcinoma-genesis to demonstrate that the BART miRNAs potentiate tumor growth and development in vivo. No effect was seen on invasion or metastasis, and the growth promoting activity was not seen in vitro. In vivo tumor growth was not associated with the expression of specific BART miRNAs but with up regulation of all the BART miRNAs, consistent with previous observations that all the BART miRNAs are highly expressed in all of the EBV associated cancers. Based on these observations, we suggest that deregulated expression of the BART miRNAs potentiates tumor growth and represents a general mechanism behind EBV associated oncogenesis.
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