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Article

Cancerous inhibitor of protein phosphatase 2A regulates cisplatin resistance in ovarian cancer

  • Authors:
    • Wanbin Li
    • Hongyan Zhang
    • Linqing Yang
    • Yunfei Wang
  • View Affiliations / Copyright

    Affiliations: Department of Gynecology, Jining Medical University, Jining, Shandong 272100, P.R. China, Department of Gynecology, Affiliated Hospital of Jining Medical University, Jining, Shandong 272100, P.R. China
  • Pages: 1211-1216
    |
    Published online on: November 1, 2018
       https://doi.org/10.3892/ol.2018.9653
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Abstract

Ovarian cancer is the most aggressive type of gynecological cancer. The cause of the poor survival rate is the development of chemotherapy resistance to platinum‑based therapies, including cisplatin. The present study aimed to investigate the mechanism of cancerous inhibitor of protein phosphatase 2A (CIP2A)‑induced chemoresistance in ovarian cancer. The present study initially investigated the expression of CIP2A in the ovarian tumor tissue, cisplatin‑sensitive SKOV‑3 cell line, and cisplatin‑resistant ovarian carcinoma SKOV‑3CDDP/R cell line. In addition, CIP2A was knocked down using small interference RNA in ovarian cancer cells and the chemosensitivity of these cells was analyzed. The results demonstrated that CIP2A expression was significantly higher in patients with ovarian cancer and in the cisplatin‑resistant ovarian carcinoma SKOV‑3CDDP/R cell line at the mRNA and protein levels. The proliferation and chemosensitivity were decreased and enhanced, respectively, when CIP2A was knocked down. CIP2A silencing significantly promoted the apoptosis induced by cisplatin in SKOV‑3CDDP/R cells, suggesting that CIP2A participated in the cisplatin resistance of ovarian cancer cells and that CIP2A silencing enhanced the apoptosis induced by cisplatin. CIP2A may be considered as a potential candidate for modulating cisplatin therapy in ovarian cancer.
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Copy and paste a formatted citation
Spandidos Publications style
Li W, Zhang H, Yang L and Wang Y: Cancerous inhibitor of protein phosphatase 2A regulates cisplatin resistance in ovarian cancer. Oncol Lett 17: 1211-1216, 2019.
APA
Li, W., Zhang, H., Yang, L., & Wang, Y. (2019). Cancerous inhibitor of protein phosphatase 2A regulates cisplatin resistance in ovarian cancer. Oncology Letters, 17, 1211-1216. https://doi.org/10.3892/ol.2018.9653
MLA
Li, W., Zhang, H., Yang, L., Wang, Y."Cancerous inhibitor of protein phosphatase 2A regulates cisplatin resistance in ovarian cancer". Oncology Letters 17.1 (2019): 1211-1216.
Chicago
Li, W., Zhang, H., Yang, L., Wang, Y."Cancerous inhibitor of protein phosphatase 2A regulates cisplatin resistance in ovarian cancer". Oncology Letters 17, no. 1 (2019): 1211-1216. https://doi.org/10.3892/ol.2018.9653
Copy and paste a formatted citation
x
Spandidos Publications style
Li W, Zhang H, Yang L and Wang Y: Cancerous inhibitor of protein phosphatase 2A regulates cisplatin resistance in ovarian cancer. Oncol Lett 17: 1211-1216, 2019.
APA
Li, W., Zhang, H., Yang, L., & Wang, Y. (2019). Cancerous inhibitor of protein phosphatase 2A regulates cisplatin resistance in ovarian cancer. Oncology Letters, 17, 1211-1216. https://doi.org/10.3892/ol.2018.9653
MLA
Li, W., Zhang, H., Yang, L., Wang, Y."Cancerous inhibitor of protein phosphatase 2A regulates cisplatin resistance in ovarian cancer". Oncology Letters 17.1 (2019): 1211-1216.
Chicago
Li, W., Zhang, H., Yang, L., Wang, Y."Cancerous inhibitor of protein phosphatase 2A regulates cisplatin resistance in ovarian cancer". Oncology Letters 17, no. 1 (2019): 1211-1216. https://doi.org/10.3892/ol.2018.9653
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