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MicroRNA-134-3p inhibits ovarian cancer progression by targeting flap structure-specific endonuclease 1 in vitro

  • Authors:
    • Mengshi Zhao
    • Hongjie Ji
    • Qiang Fu
    • Qian Cheng
    • Yu Zhang
    • Yu Yang
  • View Affiliations / Copyright

    Affiliations: School of Minerals Processing and Bioengineering, Central South University, Changsha, Hunan 410083, P.R. China, Department of Obstetrics and Gynecology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
    Copyright: © Zhao et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 119-128
    |
    Published online on: November 10, 2020
       https://doi.org/10.3892/or.2020.7844
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Abstract

Ovarian cancer (OC) is one of the most lethal gynecological malignancies in the world. The aim of the present study was to examine the role of microRNA (miR)-134-3p in OC. Reverse transcription-quantitative PCR was used to measure the expression levels of miR-134-3p. Cell Counting Kit-8, TUNEL, flow cytometric and colony formation assays were performed to examine the effects of miR-134-3p on OC cell proliferation. Moreover, wound healing and Transwell assays were performed to examine the effects on migration and invasion. In addition, western blot analyses were used to assess protein expression. Finally, the target genes of miR-134-3p were analyzed by bioinformatics analysis and dual-luciferase reporter assay. The results revealed that miR-134-3p expression was low in OC cells compared with in normal ovarian cells. The overexpression of miR-134-3p decreased cell viability, facilitated cell apoptosis, inhibited cell proliferation and arrested the cell cycle in SKOV-3 and OVCAR-3 cells. Furthermore, transfection using a miR-134-3p mimic inhibited the migration and invasion of SKOV-3 and OVCAR-3 cells, and decreased the protein expression levels of cyclooxygenase-2, matrix metalloproteinase (MMP)2 and MMP9. Bioinformatics analysis indicated that one of the potential target genes of miR-134-3p was flap structure-specific endonuclease 1 (FEN1), which was confirmed by dual-luciferase reporter assay. Moreover, overexpression of miR-134-3p decreased the expression levels of FEN1 in SKOV-3 and OVCAR-3 cells. Additionally, overexpression of FEN1 reversed the effects of the miR-134-3p mimic on the proliferation, migration and invasion of SKOV-3 and OVCAR-3 cells. Overall, the findings of the present study demonstrated that miR-134-3p may inhibit OC cell proliferation, migration and invasion by directly targeting FEN1.
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Copy and paste a formatted citation
Spandidos Publications style
Zhao M, Ji H, Fu Q, Cheng Q, Zhang Y and Yang Y: MicroRNA-134-3p inhibits ovarian cancer progression by targeting flap structure-specific endonuclease 1 in vitro. Oncol Rep 45: 119-128, 2021.
APA
Zhao, M., Ji, H., Fu, Q., Cheng, Q., Zhang, Y., & Yang, Y. (2021). MicroRNA-134-3p inhibits ovarian cancer progression by targeting flap structure-specific endonuclease 1 in vitro. Oncology Reports, 45, 119-128. https://doi.org/10.3892/or.2020.7844
MLA
Zhao, M., Ji, H., Fu, Q., Cheng, Q., Zhang, Y., Yang, Y."MicroRNA-134-3p inhibits ovarian cancer progression by targeting flap structure-specific endonuclease 1 in vitro". Oncology Reports 45.1 (2021): 119-128.
Chicago
Zhao, M., Ji, H., Fu, Q., Cheng, Q., Zhang, Y., Yang, Y."MicroRNA-134-3p inhibits ovarian cancer progression by targeting flap structure-specific endonuclease 1 in vitro". Oncology Reports 45, no. 1 (2021): 119-128. https://doi.org/10.3892/or.2020.7844
Copy and paste a formatted citation
x
Spandidos Publications style
Zhao M, Ji H, Fu Q, Cheng Q, Zhang Y and Yang Y: MicroRNA-134-3p inhibits ovarian cancer progression by targeting flap structure-specific endonuclease 1 in vitro. Oncol Rep 45: 119-128, 2021.
APA
Zhao, M., Ji, H., Fu, Q., Cheng, Q., Zhang, Y., & Yang, Y. (2021). MicroRNA-134-3p inhibits ovarian cancer progression by targeting flap structure-specific endonuclease 1 in vitro. Oncology Reports, 45, 119-128. https://doi.org/10.3892/or.2020.7844
MLA
Zhao, M., Ji, H., Fu, Q., Cheng, Q., Zhang, Y., Yang, Y."MicroRNA-134-3p inhibits ovarian cancer progression by targeting flap structure-specific endonuclease 1 in vitro". Oncology Reports 45.1 (2021): 119-128.
Chicago
Zhao, M., Ji, H., Fu, Q., Cheng, Q., Zhang, Y., Yang, Y."MicroRNA-134-3p inhibits ovarian cancer progression by targeting flap structure-specific endonuclease 1 in vitro". Oncology Reports 45, no. 1 (2021): 119-128. https://doi.org/10.3892/or.2020.7844
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