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Article

The antipsychotic drug pimozide inhibits cell growth in prostate cancer through suppression of STAT3 activation

  • Authors:
    • Wei Zhou
    • Ming-Kun Chen
    • Hao-Tao Yu
    • Zhi-Hong Zhong
    • Nan Cai
    • Guan-Zhong Chen
    • Ping Zhang
    • Jia-Jie Chen
  • View Affiliations / Copyright

    Affiliations: Department of Orthopedics, the Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, P.R. China, Department of Urology, the Third Affiliated Hospital of Southern Medical University, Guangzhou, P.R. China, Vaccine Research Institute of Sun Yat-sen University, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, P.R. China
  • Pages: 322-328
    |
    Published online on: November 4, 2015
       https://doi.org/10.3892/ijo.2015.3229
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Abstract

Currently, drug discovery and development for clinical treatment of prostate cancer has received increased attention, specifically the STAT3 inhibitor. Our previous study reported that the neuroleptic drug pimozide had antitumor activity against hepatocellular carcinoma cells or stem-like cells through suppressing the STAT3 activity. In the present study we demonstrate that pimozide inhibits cell growth and cellular STAT3 activation in prostate cancer cells. Our results showed that pimozide inhibited prostate cancer cell proliferation in a dose- and time-dependent manner by inducing G1 phase cell cycle arrest, downregulated the ability of colony formation and sphere forming, as well as suppressed cells migration in both DU145 and LNCaP cells. Surprisingly, pimozide reduced the basal expression of phosphorylation STAT3 at tyrosine 705 and reversed the expression of phosphorylation of STAT3 induced by IL-6 addition, suggesting that pimozide can suppress cellular STAT3 activation. Thus, the antipsychotic agent pimozide may be a potential and novel therapeutic for patients with advanced prostate cancer.
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Copy and paste a formatted citation
Spandidos Publications style
Zhou W, Chen M, Yu H, Zhong Z, Cai N, Chen G, Zhang P and Chen J: The antipsychotic drug pimozide inhibits cell growth in prostate cancer through suppression of STAT3 activation. Int J Oncol 48: 322-328, 2016.
APA
Zhou, W., Chen, M., Yu, H., Zhong, Z., Cai, N., Chen, G. ... Chen, J. (2016). The antipsychotic drug pimozide inhibits cell growth in prostate cancer through suppression of STAT3 activation. International Journal of Oncology, 48, 322-328. https://doi.org/10.3892/ijo.2015.3229
MLA
Zhou, W., Chen, M., Yu, H., Zhong, Z., Cai, N., Chen, G., Zhang, P., Chen, J."The antipsychotic drug pimozide inhibits cell growth in prostate cancer through suppression of STAT3 activation". International Journal of Oncology 48.1 (2016): 322-328.
Chicago
Zhou, W., Chen, M., Yu, H., Zhong, Z., Cai, N., Chen, G., Zhang, P., Chen, J."The antipsychotic drug pimozide inhibits cell growth in prostate cancer through suppression of STAT3 activation". International Journal of Oncology 48, no. 1 (2016): 322-328. https://doi.org/10.3892/ijo.2015.3229
Copy and paste a formatted citation
x
Spandidos Publications style
Zhou W, Chen M, Yu H, Zhong Z, Cai N, Chen G, Zhang P and Chen J: The antipsychotic drug pimozide inhibits cell growth in prostate cancer through suppression of STAT3 activation. Int J Oncol 48: 322-328, 2016.
APA
Zhou, W., Chen, M., Yu, H., Zhong, Z., Cai, N., Chen, G. ... Chen, J. (2016). The antipsychotic drug pimozide inhibits cell growth in prostate cancer through suppression of STAT3 activation. International Journal of Oncology, 48, 322-328. https://doi.org/10.3892/ijo.2015.3229
MLA
Zhou, W., Chen, M., Yu, H., Zhong, Z., Cai, N., Chen, G., Zhang, P., Chen, J."The antipsychotic drug pimozide inhibits cell growth in prostate cancer through suppression of STAT3 activation". International Journal of Oncology 48.1 (2016): 322-328.
Chicago
Zhou, W., Chen, M., Yu, H., Zhong, Z., Cai, N., Chen, G., Zhang, P., Chen, J."The antipsychotic drug pimozide inhibits cell growth in prostate cancer through suppression of STAT3 activation". International Journal of Oncology 48, no. 1 (2016): 322-328. https://doi.org/10.3892/ijo.2015.3229
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