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Article

MicroRNA-616 promotes the progression of ovarian cancer by targeting TIMP2

  • Authors:
    • Zhongbo Chen
    • Jianqing Zhu
    • Yiming Zhu
    • Junjian Wang
  • View Affiliations / Copyright

    Affiliations: Department of Gynecologic Oncology, Zhejiang Cancer Hospital, Hangzhou, Zhejiang 310022, P.R. China
  • Pages: 2960-2968
    |
    Published online on: April 12, 2018
       https://doi.org/10.3892/or.2018.6368
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Abstract

MicroRNAs (miRNAs), a group of short (~20 nt) non‑coding RNAs, play critical roles in the development and progression of ovarian cancer (OC). The role of miR‑616, a recently identified cancer-associated miRNA, has never been examined in OC before. The present study demonstrated that the level of miR‑616 was increased in OC tissues. A high miR‑616 level was associated with poor tumor differentiation and advanced tumor-node-metastasis (TNM) stage. Survival analysis revealed that an elevated level of miR‑616 was associated with poor prognosis of OC patients as demonstrated by decreased overall survival (OS) and disease‑free survival (DFS). Overexpression of miR‑616 promoted the migration, invasion as well as epithelial-mesenchymal transition (EMT) of A2780 cells. Knockdown of miR‑616 inhibited these biological functions. Immunohistochemical (IHC) staining revealed that OC tissues with high miR‑616 levels exhibited a significantly decreased level of E‑cadherin and an increased level of N‑cadherin. Furthermore, tissue inhibitor of metalloproteinases 2 (TIMP2) was confirmed to be a direct downstream target of miR‑616. Inhibition of TIMP2 expression was required for the promoting effects of miR‑616 on the metastasis and EMT of OC cells. Collectively, this study revealed that miR‑616 promoted the progression of OC by enhancing cell migration, invasion and EMT.
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Copy and paste a formatted citation
Spandidos Publications style
Chen Z, Zhu J, Zhu Y and Wang J: MicroRNA-616 promotes the progression of ovarian cancer by targeting TIMP2. Oncol Rep 39: 2960-2968, 2018.
APA
Chen, Z., Zhu, J., Zhu, Y., & Wang, J. (2018). MicroRNA-616 promotes the progression of ovarian cancer by targeting TIMP2. Oncology Reports, 39, 2960-2968. https://doi.org/10.3892/or.2018.6368
MLA
Chen, Z., Zhu, J., Zhu, Y., Wang, J."MicroRNA-616 promotes the progression of ovarian cancer by targeting TIMP2". Oncology Reports 39.6 (2018): 2960-2968.
Chicago
Chen, Z., Zhu, J., Zhu, Y., Wang, J."MicroRNA-616 promotes the progression of ovarian cancer by targeting TIMP2". Oncology Reports 39, no. 6 (2018): 2960-2968. https://doi.org/10.3892/or.2018.6368
Copy and paste a formatted citation
x
Spandidos Publications style
Chen Z, Zhu J, Zhu Y and Wang J: MicroRNA-616 promotes the progression of ovarian cancer by targeting TIMP2. Oncol Rep 39: 2960-2968, 2018.
APA
Chen, Z., Zhu, J., Zhu, Y., & Wang, J. (2018). MicroRNA-616 promotes the progression of ovarian cancer by targeting TIMP2. Oncology Reports, 39, 2960-2968. https://doi.org/10.3892/or.2018.6368
MLA
Chen, Z., Zhu, J., Zhu, Y., Wang, J."MicroRNA-616 promotes the progression of ovarian cancer by targeting TIMP2". Oncology Reports 39.6 (2018): 2960-2968.
Chicago
Chen, Z., Zhu, J., Zhu, Y., Wang, J."MicroRNA-616 promotes the progression of ovarian cancer by targeting TIMP2". Oncology Reports 39, no. 6 (2018): 2960-2968. https://doi.org/10.3892/or.2018.6368
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