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Molecular Medicine Reports
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Print ISSN: 1791-2997 Online ISSN: 1791-3004
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July-2016 Volume 14 Issue 1

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International Journal of Molecular Medicine is an international journal devoted to molecular mechanisms of human disease.

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Article

MicroRNA-34a inhibits cell proliferation and induces cell apoptosis of glioma cells via targeting of Bcl-2

  • Authors:
    • Junwei Duan
    • Kejun Zhou
    • Xiaoping Tang
    • Jie Duan
    • Long Zhao
  • View Affiliations / Copyright

    Affiliations: Department of Neurosurgery, The Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan 637000, P.R. China, Department of Pediatric Surgery, The Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan 637000, P.R. China
  • Pages: 432-438
    |
    Published online on: May 12, 2016
       https://doi.org/10.3892/mmr.2016.5255
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Abstract

Glioblastoma is a highly malignant brain tumor, characterized by the poor prognosis and high recurrence rates. Despite therapeutic strategies including surgery, radiotherapy and chemotherapy, the median survival of patients is only 14.6 months. MicroRNAs (miRNAs) have been considered as a novel type of gene regulator. Previous studies have demonstrated that the expression of miRNA‑34a (miR‑34a) is significantly associated with the grade and prognosis of glioma. However, the exact function of miR‑34a on glioma progression and underlying mechanisms remain to be elucidated. The present study investigated the function of miR‑34a in U87 human glioma cells by exogenously transfecting cells with an miR‑34a mimic. Overexpression of miR‑34a inhibited proliferation, and induced apoptosis of U87 cells. The current study also demonstrated that B‑cell lymphoma 2 (Bcl‑2) was the target gene of miR‑34a, as demonstrated by luciferase assays. Furthermore, restoring the expression of Bcl‑2 was indicated to partially block the miR‑34a‑induced apoptosis. Thus, data from the present study identified miR‑34a as a tumor suppressor in glioma by, at least partially, targeting Bcl‑2. This may provide future novel diagnostic and therapeutic strategies for human glioma.
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Copy and paste a formatted citation
Spandidos Publications style
Duan J, Zhou K, Tang X, Duan J and Zhao L: MicroRNA-34a inhibits cell proliferation and induces cell apoptosis of glioma cells via targeting of Bcl-2. Mol Med Rep 14: 432-438, 2016.
APA
Duan, J., Zhou, K., Tang, X., Duan, J., & Zhao, L. (2016). MicroRNA-34a inhibits cell proliferation and induces cell apoptosis of glioma cells via targeting of Bcl-2. Molecular Medicine Reports, 14, 432-438. https://doi.org/10.3892/mmr.2016.5255
MLA
Duan, J., Zhou, K., Tang, X., Duan, J., Zhao, L."MicroRNA-34a inhibits cell proliferation and induces cell apoptosis of glioma cells via targeting of Bcl-2". Molecular Medicine Reports 14.1 (2016): 432-438.
Chicago
Duan, J., Zhou, K., Tang, X., Duan, J., Zhao, L."MicroRNA-34a inhibits cell proliferation and induces cell apoptosis of glioma cells via targeting of Bcl-2". Molecular Medicine Reports 14, no. 1 (2016): 432-438. https://doi.org/10.3892/mmr.2016.5255
Copy and paste a formatted citation
x
Spandidos Publications style
Duan J, Zhou K, Tang X, Duan J and Zhao L: MicroRNA-34a inhibits cell proliferation and induces cell apoptosis of glioma cells via targeting of Bcl-2. Mol Med Rep 14: 432-438, 2016.
APA
Duan, J., Zhou, K., Tang, X., Duan, J., & Zhao, L. (2016). MicroRNA-34a inhibits cell proliferation and induces cell apoptosis of glioma cells via targeting of Bcl-2. Molecular Medicine Reports, 14, 432-438. https://doi.org/10.3892/mmr.2016.5255
MLA
Duan, J., Zhou, K., Tang, X., Duan, J., Zhao, L."MicroRNA-34a inhibits cell proliferation and induces cell apoptosis of glioma cells via targeting of Bcl-2". Molecular Medicine Reports 14.1 (2016): 432-438.
Chicago
Duan, J., Zhou, K., Tang, X., Duan, J., Zhao, L."MicroRNA-34a inhibits cell proliferation and induces cell apoptosis of glioma cells via targeting of Bcl-2". Molecular Medicine Reports 14, no. 1 (2016): 432-438. https://doi.org/10.3892/mmr.2016.5255
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