Myricetin induces apoptosis and enhances chemosensitivity in ovarian cancer cells

  • Authors:
    • Ai‑Wen Zheng
    • Ya‑Qing Chen
    • Ling‑Qin Zhao
    • Jian‑Guo Feng
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  • Published online on: April 13, 2017     https://doi.org/10.3892/ol.2017.6031
  • Pages: 4974-4978
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Abstract

Ovarian cancer is the most lethal type of gynecological cancer and is the fifth leading cause of cancer‑associated mortality in females globally. The majority of patients with ovarian cancer suffer from recurrent, progressive disease, due to the acquisition of a resistance phenotype towards various conventional chemotherapy drugs. Although paclitaxel has been demonstrated to be effective against ovarian tumors, there have been reports of the development of a resistant phenotype against Taxol® treatment. The multidrug resistance (MDR)‑1/P‑glycoprotein has previously been demonstrated to be associated with the acquisition of paclitaxel resistance in certain ovarian tumors. Therefore, the screening of novel drug candidates able to target MDR‑1 in ovarian cancer cells and increase the sensitivity to Taxol® is required in order to improve the treatment of this disease. In the present study, the underlying mechanisms by which the dietary flavonoid myricetin enhances the cytotoxic potential of paclitaxel in ovarian cancer cells, was investigated. It was observed that myricetin induced significant cytotoxicity in A2780 and OVCAR3 ovarian cancer cells, with the IC50 value obtained at 25 µM. Myricetin treatment also resulted in the induction of apoptosis in the two cell lines, accompanied by the modulation of certain pro‑ and anti‑apoptotic markers. It was also determined that the pre‑incubation of ovarian cancer cells with a lower dose of myricetin was able to increase the cytotoxicity of paclitaxel, due to the significant downregulation of MDR‑1 in these cells.
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June-2017
Volume 13 Issue 6

Print ISSN: 1792-1074
Online ISSN:1792-1082

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Spandidos Publications style
Zheng AW, Chen YQ, Zhao LQ and Feng JG: Myricetin induces apoptosis and enhances chemosensitivity in ovarian cancer cells. Oncol Lett 13: 4974-4978, 2017
APA
Zheng, A., Chen, Y., Zhao, L., & Feng, J. (2017). Myricetin induces apoptosis and enhances chemosensitivity in ovarian cancer cells. Oncology Letters, 13, 4974-4978. https://doi.org/10.3892/ol.2017.6031
MLA
Zheng, A., Chen, Y., Zhao, L., Feng, J."Myricetin induces apoptosis and enhances chemosensitivity in ovarian cancer cells". Oncology Letters 13.6 (2017): 4974-4978.
Chicago
Zheng, A., Chen, Y., Zhao, L., Feng, J."Myricetin induces apoptosis and enhances chemosensitivity in ovarian cancer cells". Oncology Letters 13, no. 6 (2017): 4974-4978. https://doi.org/10.3892/ol.2017.6031