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Evaluating the Angiogenetic Properties of Ovarian Cancer Stem-Like Cells using the Three-Dimensional Co-Culture System, NICO-1
Published on: December 5, 2020
Therapy Effects of Wogonin on Ovarian Cancer Cells
Jiang Ruibin1, Jin Bo2, Wan Danying1
1Cancer Research Institute, Zhejiang Cancer Hospital, Hangzhou, Zhejiang 310022, China.
Background:
Wogonin is a plant monoflavonoid and has been reported to induce apoptosis of cancer cells and show inhibitory effect on cancer cell growth. However, the detailed and underlying molecular mechanisms are not elucidated. In this study, we investigated the molecular and biological effects of wogonin in human ovarian A2780 cancer cells.
Materials And Methods:
We determined the effects of wogonin on the changes of cell cycling and apoptotic responses of cells. Western blot analysis was used to measure the effects of wogonin on protein expressions.
Results:
Our results showed that treatment with wogonin inhibited the cancer cell proliferation, decreased the percentage of G0/G1 subpopulation, and reduced invasiveness of A2780 cells. Exposure to wogonin also resulted in downregulated protein levels of estrogen receptor alpha (ER-α), VEGF, Bcl-2, and Akt and increased expressions of Bax and p53. In addition, exposure to wogonin increased caspase-3 cleavage and induced apoptosis in A2780 cells. Our study further showed that MPP, a specific ER-α inhibitor, significantly enhanced antitumor effects of wogonin in A2780 cells.
Conclusion:
Our results suggest a potential clinical impact of wogonin on management of ovarian cancer.
Insights
Wogonin, a plant compound, inhibits ovarian cancer cell growth and invasiveness by inducing apoptosis. It downregulates key proteins like ER-α and VEGF, offering potential for ovarian cancer treatment.
Area of Science:
- Oncology
- Molecular Biology
- Pharmacology
Background:
- Wogonin is a plant monoflavonoid with known anticancer properties.
- Its precise molecular mechanisms in ovarian cancer remain unclear.
Purpose of the Study:
- To investigate the molecular and biological effects of wogonin on human ovarian A2780 cancer cells.
- To elucidate the mechanisms underlying wogonin's anti-cancer activity.
Main Methods:
- Cell cycle analysis and apoptosis assays were performed.
- Western blot was used to assess protein expression changes.
- The effect of an ER-α inhibitor (MPP) on wogonin's efficacy was evaluated.
Main Results:
- Wogonin inhibited proliferation, reduced G0/G1 phase population, and decreased invasiveness of A2780 cells.
- Wogonin downregulated ER-α, VEGF, Bcl-2, and Akt, while upregulating Bax and p53.
- Wogonin induced caspase-3 cleavage and apoptosis; co-treatment with MPP enhanced these effects.
Conclusions:
- Wogonin demonstrates significant anti-ovarian cancer activity through apoptosis induction and modulation of key proteins.
- Wogonin shows potential as a therapeutic agent for ovarian cancer management.
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