Abstract
V-ets erythroblastosis virus E26 oncogene homolog 2 (ETS2), belonging to the ETS family of transcription factors, is implicated in a broad range of cellular functions. Recently, ETS2 has been found playing an important role in the progression of some types of cancers. However, it remains unclear whether ETS2 has any effects on renal cell carcinoma (RCC). In this study, we investigated the biological functions of ETS2 in RCC. The results showed that ETS2 was highly expressed in RCC tissues and cell lines and its expression had an association with clinicopathological characteristics of RCC patients. In addition, down-regulation of ETS2 significantly inhibited RCC cell invasion in vitro and metastasis in vivo as well as suppressed the epithelial-mesenchymal transition (EMT) process. We also found that ETS2 down-regulation significantly reduced the levels of PI3K and Akt phosphorylation in RCC cells. Taken together, we suggest that ETS2 is of potential value as a molecular target for RCC treatment.
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