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August 2012 Volume 41 Issue 2

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Article

Orlistat, a novel potent antitumor agent for ovarian cancer: proteomic analysis of ovarian cancer cells treated with Orlistat

  • Authors:
    • Hui-Qiong Huang
    • Jing Tang
    • Sheng-Tao Zhou
    • Tao Yi
    • Hong-Ling Peng
    • Guo-Bo  Shen
    • Na Xie
    • Kai Huang
    • Tao Yang
    • Jin-Hua Wu
    • Can-Hua Huang
    • Yu-Quan Wei
    • Xia  Zhao
  • View Affiliations / Copyright

    Affiliations: Gynecological Oncology of Biotherapy Laboratory, Department of Gynecology and Obstetrics, West China Second Hospital, Sichuan University, Chengdu, Sichuan, P.R. China, Gynecological Oncology of Biotherapy Laboratory, Department of Gynecology and Obstetrics, West China Second Hospital, Sichuan University, Chengdu, Sichuan, P.R. China, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, P.R. China
  • Pages: 523-532
    |
    Published online on: May 8, 2012
       https://doi.org/10.3892/ijo.2012.1465
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Abstract

Orlistat is an orally administered anti-obesity drug that has shown significant antitumor activity in a variety of tumor cells. To identify the proteins involved in its antitumor activity, we employed a proteomic approach to reveal protein expression changes in the human ovarian cancer cell line SKOV3, following Orlistat treatment. Protein expression profiles were analyzed by 2-dimensional polyacrylamide gel electrophoresis (2-DE) and protein identification was performed on a MALDI-Q-TOF MS/MS instrument. More than 110 differentially expressed proteins were visualized by 2-DE and Coomassie brilliant blue staining. Furthermore, 71 proteins differentially expressed proteins were positively identified via mass spectrometry (MS)/MS analysis. In particular, PKM1/2, a key enzyme involved in tumorigenesis, was found to be significantly downregulated in SKOV3 cells following treatment with Orlistat. Moreover, PKM1/2 was proved to be downregulated in SKOV3 cells by western blot analysis after treatment with Orlistat. Taken together, using proteomic tools, we identified several differentially expressed proteins that underwent Orlistat-induced apoptosis, particularly PKM2. These changes confirmed our hypothesis that Orlistat is a potential inhibitor of ovarian cancer and can be used as a novel adjuvant antitumor agent.
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Copy and paste a formatted citation
Spandidos Publications style
Huang H, Tang J, Zhou S, Yi T, Peng H, Shen G, Xie N, Huang K, Yang T, Wu J, Wu J, et al: Orlistat, a novel potent antitumor agent for ovarian cancer: proteomic analysis of ovarian cancer cells treated with Orlistat. Int J Oncol 41: 523-532, 2012.
APA
Huang, H., Tang, J., Zhou, S., Yi, T., Peng, H., Shen, G. ... Zhao, X. (2012). Orlistat, a novel potent antitumor agent for ovarian cancer: proteomic analysis of ovarian cancer cells treated with Orlistat. International Journal of Oncology, 41, 523-532. https://doi.org/10.3892/ijo.2012.1465
MLA
Huang, H., Tang, J., Zhou, S., Yi, T., Peng, H., Shen, G., Xie, N., Huang, K., Yang, T., Wu, J., Huang, C., Wei, Y., Zhao, X."Orlistat, a novel potent antitumor agent for ovarian cancer: proteomic analysis of ovarian cancer cells treated with Orlistat". International Journal of Oncology 41.2 (2012): 523-532.
Chicago
Huang, H., Tang, J., Zhou, S., Yi, T., Peng, H., Shen, G., Xie, N., Huang, K., Yang, T., Wu, J., Huang, C., Wei, Y., Zhao, X."Orlistat, a novel potent antitumor agent for ovarian cancer: proteomic analysis of ovarian cancer cells treated with Orlistat". International Journal of Oncology 41, no. 2 (2012): 523-532. https://doi.org/10.3892/ijo.2012.1465
Copy and paste a formatted citation
x
Spandidos Publications style
Huang H, Tang J, Zhou S, Yi T, Peng H, Shen G, Xie N, Huang K, Yang T, Wu J, Wu J, et al: Orlistat, a novel potent antitumor agent for ovarian cancer: proteomic analysis of ovarian cancer cells treated with Orlistat. Int J Oncol 41: 523-532, 2012.
APA
Huang, H., Tang, J., Zhou, S., Yi, T., Peng, H., Shen, G. ... Zhao, X. (2012). Orlistat, a novel potent antitumor agent for ovarian cancer: proteomic analysis of ovarian cancer cells treated with Orlistat. International Journal of Oncology, 41, 523-532. https://doi.org/10.3892/ijo.2012.1465
MLA
Huang, H., Tang, J., Zhou, S., Yi, T., Peng, H., Shen, G., Xie, N., Huang, K., Yang, T., Wu, J., Huang, C., Wei, Y., Zhao, X."Orlistat, a novel potent antitumor agent for ovarian cancer: proteomic analysis of ovarian cancer cells treated with Orlistat". International Journal of Oncology 41.2 (2012): 523-532.
Chicago
Huang, H., Tang, J., Zhou, S., Yi, T., Peng, H., Shen, G., Xie, N., Huang, K., Yang, T., Wu, J., Huang, C., Wei, Y., Zhao, X."Orlistat, a novel potent antitumor agent for ovarian cancer: proteomic analysis of ovarian cancer cells treated with Orlistat". International Journal of Oncology 41, no. 2 (2012): 523-532. https://doi.org/10.3892/ijo.2012.1465
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