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Article

MicroRNA-124 regulates TGF-α-induced epithelial-mesenchymal transition in human prostate cancer cells

  • Authors:
    • Wei Qin
    • Yujia Pan
    • Xiulan Zheng
    • Dong Li
    • Jingyi Bu
    • Chunyan Xu
    • Jiebing Tang
    • Rongjun Cui
    • Ping Lin
    • Xiaoguang Yu
  • View Affiliations / Copyright

    Affiliations: Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, Heilongjiang 150081, P.R. China, Department of Ultrasonography, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, P.R. China, Department of Clinical Oncology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, P.R. China, Department of Biochemistry and Molecular Biology, Mudanjiang Medical University, Mudanjiang, Heilongjiang 157011, P.R. China
  • Pages: 1225-1231
    |
    Published online on: June 19, 2014
       https://doi.org/10.3892/ijo.2014.2506
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Abstract

Transforming growth factor-α (TGF-α) is upregulated in advanced stages of prostate cancer and strongly correlated with metastasis. However, the effect of TGF-α on epithelial-mesenchymal transition (EMT) in prostate cancer and the underlying mechanisms remain unclear. Recently, microRNAs have emerged as new regulators of EMT. This study found that treatment of DU145 cells with TGF-α suppressed the expression of epithelial marker E-cadherin and increased the expression of mesenchymal marker Vimentin as well as changed the cell morphology from cobblestone shape to spindle shape. The level of miR-124 was downregulated by TGF-α in several different cancer cell lines. Enforced expression of miR-124 abolished TGF-α-induced EMT. Slug was proven to be a target of miR-124 and mediated the inhibitory effect of miR-124 on TGF-α-induced EMT. Furthermore, overexpression of miR-124 reduced the migratory and invasive capacity of TGF-α-treated DU145 cells. In conclusion, our findings suggest that miR-124 inhibits TGF-α-induced EMT in DU145 cells by targeting Slug. Thus, miR-124 may be a potential target for prostate cancer therapeutic intervention.
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Copy and paste a formatted citation
Spandidos Publications style
Qin W, Pan Y, Zheng X, Li D, Bu J, Xu C, Tang J, Cui R, Lin P, Yu X, Yu X, et al: MicroRNA-124 regulates TGF-α-induced epithelial-mesenchymal transition in human prostate cancer cells. Int J Oncol 45: 1225-1231, 2014.
APA
Qin, W., Pan, Y., Zheng, X., Li, D., Bu, J., Xu, C. ... Yu, X. (2014). MicroRNA-124 regulates TGF-α-induced epithelial-mesenchymal transition in human prostate cancer cells. International Journal of Oncology, 45, 1225-1231. https://doi.org/10.3892/ijo.2014.2506
MLA
Qin, W., Pan, Y., Zheng, X., Li, D., Bu, J., Xu, C., Tang, J., Cui, R., Lin, P., Yu, X."MicroRNA-124 regulates TGF-α-induced epithelial-mesenchymal transition in human prostate cancer cells". International Journal of Oncology 45.3 (2014): 1225-1231.
Chicago
Qin, W., Pan, Y., Zheng, X., Li, D., Bu, J., Xu, C., Tang, J., Cui, R., Lin, P., Yu, X."MicroRNA-124 regulates TGF-α-induced epithelial-mesenchymal transition in human prostate cancer cells". International Journal of Oncology 45, no. 3 (2014): 1225-1231. https://doi.org/10.3892/ijo.2014.2506
Copy and paste a formatted citation
x
Spandidos Publications style
Qin W, Pan Y, Zheng X, Li D, Bu J, Xu C, Tang J, Cui R, Lin P, Yu X, Yu X, et al: MicroRNA-124 regulates TGF-α-induced epithelial-mesenchymal transition in human prostate cancer cells. Int J Oncol 45: 1225-1231, 2014.
APA
Qin, W., Pan, Y., Zheng, X., Li, D., Bu, J., Xu, C. ... Yu, X. (2014). MicroRNA-124 regulates TGF-α-induced epithelial-mesenchymal transition in human prostate cancer cells. International Journal of Oncology, 45, 1225-1231. https://doi.org/10.3892/ijo.2014.2506
MLA
Qin, W., Pan, Y., Zheng, X., Li, D., Bu, J., Xu, C., Tang, J., Cui, R., Lin, P., Yu, X."MicroRNA-124 regulates TGF-α-induced epithelial-mesenchymal transition in human prostate cancer cells". International Journal of Oncology 45.3 (2014): 1225-1231.
Chicago
Qin, W., Pan, Y., Zheng, X., Li, D., Bu, J., Xu, C., Tang, J., Cui, R., Lin, P., Yu, X."MicroRNA-124 regulates TGF-α-induced epithelial-mesenchymal transition in human prostate cancer cells". International Journal of Oncology 45, no. 3 (2014): 1225-1231. https://doi.org/10.3892/ijo.2014.2506
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