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Article

MicroRNA‑335 inhibits bladder cancer cell growth and migration by targeting mitogen‑activated protein kinase 1

  • Authors:
    • Xiaolin Wang
    • Guang Wu
    • Guangxin Cao
    • Xiaohong Chen
    • Jian Huang
    • Xiaohui Jiang
    • Jianquan Hou
  • View Affiliations / Copyright

    Affiliations: Department of Urology, Nantong Tumor Hospital, Nantong, Jiangsu 226361, P.R. China, Department of Urology, The First Hospital of Wujiang, Suzhou, Jiangsu 215200, P.R. China, Department of Urology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, P.R. China
  • Pages: 1765-1770
    |
    Published online on: June 27, 2016
       https://doi.org/10.3892/mmr.2016.5448
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Abstract

The abnormal expression of microRNAs (miRs) as oncogenes or tumor‑suppressor genes has been widely investigated in various tumor types. However, the roles of miR‑335 in bladder cancer cells have remained elusive. The aim of the present study was to assess the expression of miR‑335 in bladder cancer as well as the effects of miR‑335 on bladder cancer cell proliferation, metastasis and apoptosis. PCR and western blot analyses revealed that miR‑335 was significantly downregulated in bladder cancer tissues, and low levels of miR‑335 were associated with more aggressive phenotypes of bladder cancer. Overexpression of miR‑335 in T24 cells inhibited cell proliferation and induced apoptosis as indicated by an MTT assay and flow cytometric analysis, respectively. Furthermore, overexpression of miR‑335 significantly suppressed cell migration, as indicated by a Transwell assay. The expression of mitogen‑activated protein kinase (MAPK)1 was decreased after overexpression of miR‑335, indicating that MAPK1 may be a target gene of miR‑335. In addition, silencing of MAPK1 inhibited the proliferation and migration of bladder cancer cells. In conclusion, the results of the present study demonstrated that miR‑335 was significantly downregulated in bladder cancer, and may act as a tumor suppressor through repression of MAPK1.
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Copy and paste a formatted citation
Spandidos Publications style
Wang X, Wu G, Cao G, Chen X, Huang J, Jiang X and Hou J: MicroRNA‑335 inhibits bladder cancer cell growth and migration by targeting mitogen‑activated protein kinase 1. Mol Med Rep 14: 1765-1770, 2016.
APA
Wang, X., Wu, G., Cao, G., Chen, X., Huang, J., Jiang, X., & Hou, J. (2016). MicroRNA‑335 inhibits bladder cancer cell growth and migration by targeting mitogen‑activated protein kinase 1. Molecular Medicine Reports, 14, 1765-1770. https://doi.org/10.3892/mmr.2016.5448
MLA
Wang, X., Wu, G., Cao, G., Chen, X., Huang, J., Jiang, X., Hou, J."MicroRNA‑335 inhibits bladder cancer cell growth and migration by targeting mitogen‑activated protein kinase 1". Molecular Medicine Reports 14.2 (2016): 1765-1770.
Chicago
Wang, X., Wu, G., Cao, G., Chen, X., Huang, J., Jiang, X., Hou, J."MicroRNA‑335 inhibits bladder cancer cell growth and migration by targeting mitogen‑activated protein kinase 1". Molecular Medicine Reports 14, no. 2 (2016): 1765-1770. https://doi.org/10.3892/mmr.2016.5448
Copy and paste a formatted citation
x
Spandidos Publications style
Wang X, Wu G, Cao G, Chen X, Huang J, Jiang X and Hou J: MicroRNA‑335 inhibits bladder cancer cell growth and migration by targeting mitogen‑activated protein kinase 1. Mol Med Rep 14: 1765-1770, 2016.
APA
Wang, X., Wu, G., Cao, G., Chen, X., Huang, J., Jiang, X., & Hou, J. (2016). MicroRNA‑335 inhibits bladder cancer cell growth and migration by targeting mitogen‑activated protein kinase 1. Molecular Medicine Reports, 14, 1765-1770. https://doi.org/10.3892/mmr.2016.5448
MLA
Wang, X., Wu, G., Cao, G., Chen, X., Huang, J., Jiang, X., Hou, J."MicroRNA‑335 inhibits bladder cancer cell growth and migration by targeting mitogen‑activated protein kinase 1". Molecular Medicine Reports 14.2 (2016): 1765-1770.
Chicago
Wang, X., Wu, G., Cao, G., Chen, X., Huang, J., Jiang, X., Hou, J."MicroRNA‑335 inhibits bladder cancer cell growth and migration by targeting mitogen‑activated protein kinase 1". Molecular Medicine Reports 14, no. 2 (2016): 1765-1770. https://doi.org/10.3892/mmr.2016.5448
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