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Article

MicroRNA-197 inhibits cell proliferation by targeting GAB2 in glioblastoma

  • Authors:
    • Li‑Qiang Tian
    • En‑Qin Liu
    • Xi‑De Zhu
    • Xin‑Gong Wang
    • Jian Li
    • Guang‑Ming Xu
  • View Affiliations / Copyright

    Affiliations: Department of Neurosurgery, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong 250021, P.R. China, Department of Infectious Diseases, Linyi People's Hospital, Linyi, Shandong 276003, P.R. China, Department of Neurosurgery, Linyi People's Hospital, Linyi, Shandong 276003, P.R. China
  • Pages: 4279-4288
    |
    Published online on: March 31, 2016
       https://doi.org/10.3892/mmr.2016.5076
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Abstract

Glioblastoma is the most common type of primary brain tumor in adults, and is usually fatal in a short duration. Acquiring a better understanding of the pathogenic mechanisms of glioblastoma is essential to the design of effective therapeutic strategies. Grb2-associated binding protein 2 (GAB2) is a member of the daughter of sevenless/Gab family of scaffolding adapters, and has been reported to be important in the development and progression of human cancer. Previously, it has been reported that GAB2 is expressed at high levels in glioma, and may serve as a useful prognostic marker for glioma and a novel therapeutic target for glioma invasion intervention. Elucidating why GAB2 is overexpressed in glioma, and investigating how to downregulate it will assist in further understanding the pathogenesis and progression of the disease, and to offer novel targets for therapy. The present study used in situ hybridization to detect microRNA (miR)‑197 expression levels and Targetscan to predict that the 3'-UTR of GAB2 was targeted by miR-197. Northern blotting and reverse transcription‑quantitative polymerase chain reaction were also conducted in the current study. miR-197 is downregulated in glioblastoma tissues, compared with adjacent normal tissues, however it involvement continues to be detected in the disease. The results of the present study demonstrated that miR‑197, as a tumor suppressor gene, inhibited proliferation by regulating GAB2 in glioblastoma cells. Furthermore, GAB2 was not only upregulated in glioma, but its expression levels were also associated with the grades of glioma severity. In addition, overexpression of GAB2 suppressed the expression of miR‑197 in glioblastoma cells. Therefore, restoration of miR‑197 and targeting GAB2 may be used, in conjunction with other therapies, to prevent the progression of glioblastoma.
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Copy and paste a formatted citation
Spandidos Publications style
Tian LQ, Liu EQ, Zhu XD, Wang XG, Li J and Xu GM: MicroRNA-197 inhibits cell proliferation by targeting GAB2 in glioblastoma. Mol Med Rep 13: 4279-4288, 2016.
APA
Tian, L., Liu, E., Zhu, X., Wang, X., Li, J., & Xu, G. (2016). MicroRNA-197 inhibits cell proliferation by targeting GAB2 in glioblastoma. Molecular Medicine Reports, 13, 4279-4288. https://doi.org/10.3892/mmr.2016.5076
MLA
Tian, L., Liu, E., Zhu, X., Wang, X., Li, J., Xu, G."MicroRNA-197 inhibits cell proliferation by targeting GAB2 in glioblastoma". Molecular Medicine Reports 13.5 (2016): 4279-4288.
Chicago
Tian, L., Liu, E., Zhu, X., Wang, X., Li, J., Xu, G."MicroRNA-197 inhibits cell proliferation by targeting GAB2 in glioblastoma". Molecular Medicine Reports 13, no. 5 (2016): 4279-4288. https://doi.org/10.3892/mmr.2016.5076
Copy and paste a formatted citation
x
Spandidos Publications style
Tian LQ, Liu EQ, Zhu XD, Wang XG, Li J and Xu GM: MicroRNA-197 inhibits cell proliferation by targeting GAB2 in glioblastoma. Mol Med Rep 13: 4279-4288, 2016.
APA
Tian, L., Liu, E., Zhu, X., Wang, X., Li, J., & Xu, G. (2016). MicroRNA-197 inhibits cell proliferation by targeting GAB2 in glioblastoma. Molecular Medicine Reports, 13, 4279-4288. https://doi.org/10.3892/mmr.2016.5076
MLA
Tian, L., Liu, E., Zhu, X., Wang, X., Li, J., Xu, G."MicroRNA-197 inhibits cell proliferation by targeting GAB2 in glioblastoma". Molecular Medicine Reports 13.5 (2016): 4279-4288.
Chicago
Tian, L., Liu, E., Zhu, X., Wang, X., Li, J., Xu, G."MicroRNA-197 inhibits cell proliferation by targeting GAB2 in glioblastoma". Molecular Medicine Reports 13, no. 5 (2016): 4279-4288. https://doi.org/10.3892/mmr.2016.5076
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