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Article

MicroRNA-497 suppresses angiogenesis by targeting vascular endothelial growth factor A through the PI3K/AKT and MAPK/ERK pathways in ovarian cancer

  • Authors:
    • Wei Wang
    • Fang Ren
    • Qinghua Wu
    • Dazhi Jiang
    • Hongjun Li
    • Huirong Shi
  • View Affiliations / Copyright

    Affiliations: Department of Obstetrics and Gynecology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China, Department of Nuclear Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
  • Pages: 2127-2133
    |
    Published online on: August 22, 2014
       https://doi.org/10.3892/or.2014.3439
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Abstract

MicroRNAs (miRNAs) have been shown to play an important role in diverse biological processes and cancer progression. The objective of the present study was to investigate the role of miR-497 in ovarian cancer angiogenesis. We found that miR-497 expression was downregulated in human ovarian cancer tissues, and the low miR-497 expression was significantly associated with increased angiogenesis. Functionally, exogenous expression of miR-497 suppressed the ability of ovarian cancer cells to promote capillary tube formation of endothelial cells. We further disclosed that miR-497 exerted its function of anti-angiogenesis by suppressing VEGFA expression in ovarian cancer cells and, in turn, impairing the VEGFR2-mediated PI3K/AKT and MAPK/ERK pathways. Our findings suggest that downregulation of miR-497 may contribute to angiogenesis in ovarian cancer. miR-497 may be a promising candidate target for prevention and treatment of ovarian cancer.
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Copy and paste a formatted citation
Spandidos Publications style
Wang W, Ren F, Wu Q, Jiang D, Li H and Shi H: MicroRNA-497 suppresses angiogenesis by targeting vascular endothelial growth factor A through the PI3K/AKT and MAPK/ERK pathways in ovarian cancer. Oncol Rep 32: 2127-2133, 2014.
APA
Wang, W., Ren, F., Wu, Q., Jiang, D., Li, H., & Shi, H. (2014). MicroRNA-497 suppresses angiogenesis by targeting vascular endothelial growth factor A through the PI3K/AKT and MAPK/ERK pathways in ovarian cancer. Oncology Reports, 32, 2127-2133. https://doi.org/10.3892/or.2014.3439
MLA
Wang, W., Ren, F., Wu, Q., Jiang, D., Li, H., Shi, H."MicroRNA-497 suppresses angiogenesis by targeting vascular endothelial growth factor A through the PI3K/AKT and MAPK/ERK pathways in ovarian cancer". Oncology Reports 32.5 (2014): 2127-2133.
Chicago
Wang, W., Ren, F., Wu, Q., Jiang, D., Li, H., Shi, H."MicroRNA-497 suppresses angiogenesis by targeting vascular endothelial growth factor A through the PI3K/AKT and MAPK/ERK pathways in ovarian cancer". Oncology Reports 32, no. 5 (2014): 2127-2133. https://doi.org/10.3892/or.2014.3439
Copy and paste a formatted citation
x
Spandidos Publications style
Wang W, Ren F, Wu Q, Jiang D, Li H and Shi H: MicroRNA-497 suppresses angiogenesis by targeting vascular endothelial growth factor A through the PI3K/AKT and MAPK/ERK pathways in ovarian cancer. Oncol Rep 32: 2127-2133, 2014.
APA
Wang, W., Ren, F., Wu, Q., Jiang, D., Li, H., & Shi, H. (2014). MicroRNA-497 suppresses angiogenesis by targeting vascular endothelial growth factor A through the PI3K/AKT and MAPK/ERK pathways in ovarian cancer. Oncology Reports, 32, 2127-2133. https://doi.org/10.3892/or.2014.3439
MLA
Wang, W., Ren, F., Wu, Q., Jiang, D., Li, H., Shi, H."MicroRNA-497 suppresses angiogenesis by targeting vascular endothelial growth factor A through the PI3K/AKT and MAPK/ERK pathways in ovarian cancer". Oncology Reports 32.5 (2014): 2127-2133.
Chicago
Wang, W., Ren, F., Wu, Q., Jiang, D., Li, H., Shi, H."MicroRNA-497 suppresses angiogenesis by targeting vascular endothelial growth factor A through the PI3K/AKT and MAPK/ERK pathways in ovarian cancer". Oncology Reports 32, no. 5 (2014): 2127-2133. https://doi.org/10.3892/or.2014.3439
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