Research Perspectives:

Human T cell leukemia virus type 1 (HTLV-1) and oncogene or oncomiR addiction?

Kuan-Teh Jeang _

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Oncotarget. 2010; 1:453-456. https://doi.org/10.18632/oncotarget.179

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Received: August 5, 2010, Accepted: September 29, 2010, Published: October 1, 2010

The mechanism of HTLV-1 transformation of cells to Adult T cell leukemia (ATL) remains not fully understood. Currently, the viral Tax oncoprotein is known to be required to initiate transformation. Emerging evidence suggests that Tax is not needed to maintain the transformed ATL phenotype. Recent studies have shown that HTLV-1 transformed cells show deregulated expression of cellular microRNAs (miRNAs). Here we discuss the possibility that early ATL cells are Tax-oncogene-addicted while late ATL cells are oncogenic microRNA (oncomiR) – addicted. The potential utility of interrupting oncomiR addiction as a cancer treatment is broached.


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PII: 179