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Article

MicroRNA‑663b downregulation inhibits proliferation and induces apoptosis in bladder cancer cells by targeting TUSC2

  • Authors:
    • Jianying Chen
    • Bo Song
    • Guangqi Kong
  • View Affiliations / Copyright

    Affiliations: Urology Department, Beijing Luhe Hospital, Capital Medical University, Beijing 101149, P.R. China
  • Pages: 3896-3902
    |
    Published online on: March 14, 2019
       https://doi.org/10.3892/mmr.2019.10023
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Abstract

The present study aimed to explore the role and underlying molecular mechanism of microRNA‑663b (miR‑663b) in the tumorigenesis of bladder cancer. The miR‑663b expression in human bladder cancer tissues and cell lines was measured determined reverse transcription‑quantitative polymerase chain reaction. TargetScan was used to predict the potential targets of miR‑663b, and a dual‑luciferase reporter assay was performed to validate tumor suppressor candidate 2 (TUSC2) as a target of miR‑663b. Cell Counting Kit‑8 was used for cell viability analysis, and cell apoptosis was evaluated by flow cytometry. In addition, western blot analysis was performed to detect protein expression in current study. The findings suggested that miR‑663b was upregulated in bladder cancer tissues and cell lines compared with normal tissue and cells. TUSC2 was validated as a direct target of miR‑663b and was negatively regulated by miR‑663b. miR‑663b inhibition significantly reduced the viability of T24 cells, and T24 cell apoptosis was markedly induced. In addition, miR‑663b inhibition enhanced the expression levels of p53 and p21 in T24 cells. Furthermore, the changes caused by miR‑663b inhibitor in T24 cells were eliminated by TUSC2 gene silencing. In conclusion, inhibition of miR‑663b reduced viability and induced apoptosis in bladder cancer cells by targeting TUSC2. These findings provide a promising novel therapeutic target for bladder cancer treatment.
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Copy and paste a formatted citation
Spandidos Publications style
Chen J, Song B and Kong G: MicroRNA‑663b downregulation inhibits proliferation and induces apoptosis in bladder cancer cells by targeting TUSC2. Mol Med Rep 19: 3896-3902, 2019.
APA
Chen, J., Song, B., & Kong, G. (2019). MicroRNA‑663b downregulation inhibits proliferation and induces apoptosis in bladder cancer cells by targeting TUSC2. Molecular Medicine Reports, 19, 3896-3902. https://doi.org/10.3892/mmr.2019.10023
MLA
Chen, J., Song, B., Kong, G."MicroRNA‑663b downregulation inhibits proliferation and induces apoptosis in bladder cancer cells by targeting TUSC2". Molecular Medicine Reports 19.5 (2019): 3896-3902.
Chicago
Chen, J., Song, B., Kong, G."MicroRNA‑663b downregulation inhibits proliferation and induces apoptosis in bladder cancer cells by targeting TUSC2". Molecular Medicine Reports 19, no. 5 (2019): 3896-3902. https://doi.org/10.3892/mmr.2019.10023
Copy and paste a formatted citation
x
Spandidos Publications style
Chen J, Song B and Kong G: MicroRNA‑663b downregulation inhibits proliferation and induces apoptosis in bladder cancer cells by targeting TUSC2. Mol Med Rep 19: 3896-3902, 2019.
APA
Chen, J., Song, B., & Kong, G. (2019). MicroRNA‑663b downregulation inhibits proliferation and induces apoptosis in bladder cancer cells by targeting TUSC2. Molecular Medicine Reports, 19, 3896-3902. https://doi.org/10.3892/mmr.2019.10023
MLA
Chen, J., Song, B., Kong, G."MicroRNA‑663b downregulation inhibits proliferation and induces apoptosis in bladder cancer cells by targeting TUSC2". Molecular Medicine Reports 19.5 (2019): 3896-3902.
Chicago
Chen, J., Song, B., Kong, G."MicroRNA‑663b downregulation inhibits proliferation and induces apoptosis in bladder cancer cells by targeting TUSC2". Molecular Medicine Reports 19, no. 5 (2019): 3896-3902. https://doi.org/10.3892/mmr.2019.10023
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