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Article

MicroRNA‑320 suppresses cervical cancer cell viability, migration and invasion via directly targeting FOXM1

  • Authors:
    • Can Shi
    • Zhenyu Zhang
  • View Affiliations / Copyright

    Affiliations: Department of Obstetrics and Gynecology, Beijing Chao‑Yang Hospital, Capital Medical University, Beijing 100020, P.R. China
  • Pages: 3809-3816
    |
    Published online on: July 21, 2017
       https://doi.org/10.3892/ol.2017.6647
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Abstract

Cervical cancer is one of the most common types of gynecological cancer worldwide. MicroRNA-320 (miR-320) has been reported to be downregulated in a number of types of human cancer. However, the expression level and functions of miR‑320 in cervical cancer remain unknown. In the present study, miR‑320 was identified to be markedly downregulated in cervical cancer tissues and cell lines. For the functional studies, miR‑320 mimic or miR‑320 inhibitor was introduced into cervical cancer cell lines. The effects of miR‑320 on cervical cancer cell viability, migration and invasion were evaluated using MTT, migration and invasion assays, respectively. The results of the present study identified that overexpression of miR‑320 suppressed the viability, migration and invasion of cervical cancer cells. In contrast, underexpression of miR‑320 improved the viability, migration and invasion of cervical cancer cells. Bioinformatics analysis, dual‑luciferase reporter assay and western blot analysis were adopted to investigate the underlying molecular mechanism of the suppressive functions of miR‑320 in cervical cancer. The results of the present study demonstrated that miR‑320 negatively regulated forkhead box M1 (FOXM1) expression by directly targeting the 3' untranslated region of FOXM1. Furthermore, the functions of FOXM1 short interfering RNA were similar to those induced by miR‑320 in cervical cancer, identifying FOXM1 as a functional target of miR‑320 in cervical cancer. The results of the present study indicated that miR‑320 acted as a tumor suppressor in the viability, migration and invasion of cervical cancer through directly targeting FOXM1, suggesting that miR‑320 may be a target for the therapeutic treatment of cervical cancer.
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Copy and paste a formatted citation
Spandidos Publications style
Shi C and Zhang Z: MicroRNA‑320 suppresses cervical cancer cell viability, migration and invasion via directly targeting FOXM1. Oncol Lett 14: 3809-3816, 2017.
APA
Shi, C., & Zhang, Z. (2017). MicroRNA‑320 suppresses cervical cancer cell viability, migration and invasion via directly targeting FOXM1. Oncology Letters, 14, 3809-3816. https://doi.org/10.3892/ol.2017.6647
MLA
Shi, C., Zhang, Z."MicroRNA‑320 suppresses cervical cancer cell viability, migration and invasion via directly targeting FOXM1". Oncology Letters 14.3 (2017): 3809-3816.
Chicago
Shi, C., Zhang, Z."MicroRNA‑320 suppresses cervical cancer cell viability, migration and invasion via directly targeting FOXM1". Oncology Letters 14, no. 3 (2017): 3809-3816. https://doi.org/10.3892/ol.2017.6647
Copy and paste a formatted citation
x
Spandidos Publications style
Shi C and Zhang Z: MicroRNA‑320 suppresses cervical cancer cell viability, migration and invasion via directly targeting FOXM1. Oncol Lett 14: 3809-3816, 2017.
APA
Shi, C., & Zhang, Z. (2017). MicroRNA‑320 suppresses cervical cancer cell viability, migration and invasion via directly targeting FOXM1. Oncology Letters, 14, 3809-3816. https://doi.org/10.3892/ol.2017.6647
MLA
Shi, C., Zhang, Z."MicroRNA‑320 suppresses cervical cancer cell viability, migration and invasion via directly targeting FOXM1". Oncology Letters 14.3 (2017): 3809-3816.
Chicago
Shi, C., Zhang, Z."MicroRNA‑320 suppresses cervical cancer cell viability, migration and invasion via directly targeting FOXM1". Oncology Letters 14, no. 3 (2017): 3809-3816. https://doi.org/10.3892/ol.2017.6647
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