To investigate the expression pattern of a novel long non-coding ribonucleic acid activated by transforming growth factor β, long non-coding ribonucleic acid activated by transforming growth factor β, in renal cell carcinoma tissues among the patients with various clinicopathologic features and to detect the possible role of dysregulated long non-coding RNA-ATB in renal cell carcinoma.
The expression of long non-coding ribonucleic acid activated by transforming growth factor β in the renal cell carcinoma tissues and renal cancer cell lines was evaluated by quantitative real-time polymerase chain reaction. The association with clinicopathologic features was analyzed. The effects of long non-coding ribonucleic acid activated by transforming growth factor β on the renal cell carcinoma cell proliferation, apoptosis, migration, invasion and epithelial-to-mesenchymal transition were investigated by the loss-of-function approach.
The expression of long non-coding ribonucleic acid activated by transforming growth factor β was higher in the renal cell carcinoma tissues and renal cancer cells than in the adjacent non-tumor tissues and normal human proximal tubule epithelial cells HK-2. In addition, the long non-coding ribonucleic acid activated by transforming growth factor β expression was significantly higher in the renal cell carcinoma patients with metastasis. The elevated expression of long non-coding ribonucleic acid activated by transforming growth factor β was associated with tumor stages, histological grade, vascular invasion, lymph node metastasis and distant metastasis. Notably, we found that long non-coding ribonucleic acid activated by transforming growth factor β knockdown could (i) inhibit cell proliferation; (ii) trigger apoptosis; (iii) reduce epithelial-to-mesenchymal transition program; (iv) suppress cell migration and invasion.
Our data have shown that long non-coding ribonucleic acid activated by transforming growth factor β actively functions as a regulator of epithelial-to-mesenchymal transition during renal cell carcinoma metastasis, which suggests that long non-coding ribonucleic acid activated by transforming growth factor β may be a potential prognostic biomarker and therapeutic target for renal cell carcinoma.
Japanese journal of clinical oncology. 2016 Feb 03 [Epub ahead of print]
Jing Xiong, Ying Liu, Li Jiang, Yang Zeng, Wei Tang
Department of Urology, The First Affiliated Hospital of Chongqing Medical University, Chongqing Department of Urology and Andrology, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei Province, China. , Department of Preventive Medicine, School of Public Administration, Hubei University of Medicine, Shiyan, Hubei Province, China. , Department of Urology, The First Affiliated Hospital of Chongqing Medical University, Chongqing. , Department of Urology, The First Affiliated Hospital of Chongqing Medical University, Chongqing. , Department of Urology, The First Affiliated Hospital of Chongqing Medical University, Chongqing