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Article

Simvastatin in combination with meclofenamic acid inhibits the proliferation and migration of human prostate cancer PC‑3 cells via an AKR1C3 mechanism

  • Authors:
    • Yoshitaka Sekine
    • Hiroshi Nakayama
    • Yoshiyuki Miyazawa
    • Haruo Kato
    • Yosuke Furuya
    • Seiji Arai
    • Hidekazu Koike
    • Hiroshi Matsui
    • Yasuhiro Shibata
    • Kazuto Ito
    • Kazuhiro Suzuki
  • View Affiliations / Copyright

    Affiliations: Department of Urology, Gunma University Graduate School of Medicine, Maebashi, Gunma 371‑8511, Japan
  • Pages: 3167-3172
    |
    Published online on: December 29, 2017
       https://doi.org/10.3892/ol.2017.7721
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Abstract

Statins have become of interest in research due to their anticancer effects. However, the exact mechanism of their anticancer properties remains unclear. The authors previously reported that statins decrease intracellular cholesterol levels in androgen‑independent prostate cancer cells. In de novo androgen synthesis, cholesterol is the primary material and certain enzymes have important roles. The present study aimed to determine whether simvastatin alters the expression of androgen synthesis‑associated enzymes in androgen‑independent prostate cancer cells. A novel combination therapy of statins and other drugs that inhibit the overexpression of enzymes involved in androgen synthesis was explored. The cytotoxicity of simvastatin and meclofenamic acid was assessed in prostate cancer cells using MTS and migration assays. Testosterone and dihydrotestosterone concentrations in the culture medium were measured using liquid chromatography-tandem mass spectrometry. RAC‑α‑serine/threonine‑protein kinase (Akt) phosphorylation was detected by western blot analysis. Following treatment with simvastatin, aldo‑keto reductase family 1 member C3 (AKR1C3) expression increased in PC‑3 (>60‑fold) and LNCaP‑LA cells, however not in 22Rv1 cells. Small interfering (si)RNA was used to clarify the effects of AKR1C3 expression. The reduction in AKR1C3 expression in PC‑3 cells following siRNA transfection was not associated with basal cell proliferation and migration; however, treatment with simvastatin decreased cell proliferation and migration. The combination of simvastatin and meclofenamic acid, an AKR1C3 inhibitor, further enhanced the inhibition of cell proliferation and migration compared with treatment with either drug alone. Furthermore, treatment with simvastatin attenuated insulin‑like growth factor 1‑induced Akt activation; however, the combination of simvastatin and meclofenamic acid further inhibited Akt activation. These results suggest that the combination of simvastatin and meclofenamic acid may be an effective strategy for the treatment of castration‑resistant prostate cancer.
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Copy and paste a formatted citation
Spandidos Publications style
Sekine Y, Nakayama H, Miyazawa Y, Kato H, Furuya Y, Arai S, Koike H, Matsui H, Shibata Y, Ito K, Ito K, et al: Simvastatin in combination with meclofenamic acid inhibits the proliferation and migration of human prostate cancer PC‑3 cells via an AKR1C3 mechanism. Oncol Lett 15: 3167-3172, 2018.
APA
Sekine, Y., Nakayama, H., Miyazawa, Y., Kato, H., Furuya, Y., Arai, S. ... Suzuki, K. (2018). Simvastatin in combination with meclofenamic acid inhibits the proliferation and migration of human prostate cancer PC‑3 cells via an AKR1C3 mechanism. Oncology Letters, 15, 3167-3172. https://doi.org/10.3892/ol.2017.7721
MLA
Sekine, Y., Nakayama, H., Miyazawa, Y., Kato, H., Furuya, Y., Arai, S., Koike, H., Matsui, H., Shibata, Y., Ito, K., Suzuki, K."Simvastatin in combination with meclofenamic acid inhibits the proliferation and migration of human prostate cancer PC‑3 cells via an AKR1C3 mechanism". Oncology Letters 15.3 (2018): 3167-3172.
Chicago
Sekine, Y., Nakayama, H., Miyazawa, Y., Kato, H., Furuya, Y., Arai, S., Koike, H., Matsui, H., Shibata, Y., Ito, K., Suzuki, K."Simvastatin in combination with meclofenamic acid inhibits the proliferation and migration of human prostate cancer PC‑3 cells via an AKR1C3 mechanism". Oncology Letters 15, no. 3 (2018): 3167-3172. https://doi.org/10.3892/ol.2017.7721
Copy and paste a formatted citation
x
Spandidos Publications style
Sekine Y, Nakayama H, Miyazawa Y, Kato H, Furuya Y, Arai S, Koike H, Matsui H, Shibata Y, Ito K, Ito K, et al: Simvastatin in combination with meclofenamic acid inhibits the proliferation and migration of human prostate cancer PC‑3 cells via an AKR1C3 mechanism. Oncol Lett 15: 3167-3172, 2018.
APA
Sekine, Y., Nakayama, H., Miyazawa, Y., Kato, H., Furuya, Y., Arai, S. ... Suzuki, K. (2018). Simvastatin in combination with meclofenamic acid inhibits the proliferation and migration of human prostate cancer PC‑3 cells via an AKR1C3 mechanism. Oncology Letters, 15, 3167-3172. https://doi.org/10.3892/ol.2017.7721
MLA
Sekine, Y., Nakayama, H., Miyazawa, Y., Kato, H., Furuya, Y., Arai, S., Koike, H., Matsui, H., Shibata, Y., Ito, K., Suzuki, K."Simvastatin in combination with meclofenamic acid inhibits the proliferation and migration of human prostate cancer PC‑3 cells via an AKR1C3 mechanism". Oncology Letters 15.3 (2018): 3167-3172.
Chicago
Sekine, Y., Nakayama, H., Miyazawa, Y., Kato, H., Furuya, Y., Arai, S., Koike, H., Matsui, H., Shibata, Y., Ito, K., Suzuki, K."Simvastatin in combination with meclofenamic acid inhibits the proliferation and migration of human prostate cancer PC‑3 cells via an AKR1C3 mechanism". Oncology Letters 15, no. 3 (2018): 3167-3172. https://doi.org/10.3892/ol.2017.7721
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