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International Journal of Molecular Medicine
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Print ISSN: 1107-3756 Online ISSN: 1791-244X
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April-2018 Volume 41 Issue 4

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Article

Identification of tumor suppressive role of microRNA-132 and its target gene in tumorigenesis of prostate cancer

  • Authors:
    • Shun-Lai Li
    • Ying Sui
    • Jie Sun
    • Ting-Qi Jiang
    • Gang Dong
  • View Affiliations / Copyright

    Affiliations: Department of Urology, The Fifth People's Hospital of Jinan, Jinan, Shandong 250012, P.R. China, Tianqiao Hospital in Jinan of Shandong, Jinan, Shandong 250022, P.R. China
  • Pages: 2429-2433
    |
    Published online on: January 23, 2018
       https://doi.org/10.3892/ijmm.2018.3421
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Abstract

Previous literature exists on the role of microRNA (miR)-132 in initiation and progression of various malignancies. In this study, we aimed at understanding the relationship of miR-132 of prostate tumorigenesis. We collected 32 prostate cancer tissues and adjacent non-cancerous controls, and detected the expression level of miR-132. Then the miRNA database was searched online and luciferase assay perform to understand the regulatory relationship between miR-132 and E2F5. Moreover, we also conducted real-time PCR and western blot analysis to study the mRNA and protein expression level of E2F5 among different groups (cancerous tissue, n=32; non-cancerous tissue, n=32) or cells treated with scramble control, miR-132 mimics, E2F5 siRNA and miR-132 inhibitors. miR-132 was upregulated in cancerous tissues of prostate cancer patients. E2F5 was the target of miR-132, and negative regulatory relationship between miR-132 and E2F5 was also confirmed by luciferase assay. The mRNA and protein expression level of E2F5 increased in cancerous tissue group. miR-132 decreased the expression of E2F5 in prostate cancer cells, and introduction of miR-132 reduced the viability and E2F5 and promoted the viability of prostate cancer cells. miR-132 inhibited apoptosis and E2F5 accelerated apoptosis. In conclusion, miR-132 was upregulated in cancerous tissue of prostate cancer. E2F5 was a direct target of miR-132, and downregulation of E2F5 caused by upregulation of miR-132 may contribute to the tumorigenesis of prostate cancer.
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Copy and paste a formatted citation
Spandidos Publications style
Li S, Sui Y, Sun J, Jiang T and Dong G: Identification of tumor suppressive role of microRNA-132 and its target gene in tumorigenesis of prostate cancer. Int J Mol Med 41: 2429-2433, 2018.
APA
Li, S., Sui, Y., Sun, J., Jiang, T., & Dong, G. (2018). Identification of tumor suppressive role of microRNA-132 and its target gene in tumorigenesis of prostate cancer. International Journal of Molecular Medicine, 41, 2429-2433. https://doi.org/10.3892/ijmm.2018.3421
MLA
Li, S., Sui, Y., Sun, J., Jiang, T., Dong, G."Identification of tumor suppressive role of microRNA-132 and its target gene in tumorigenesis of prostate cancer". International Journal of Molecular Medicine 41.4 (2018): 2429-2433.
Chicago
Li, S., Sui, Y., Sun, J., Jiang, T., Dong, G."Identification of tumor suppressive role of microRNA-132 and its target gene in tumorigenesis of prostate cancer". International Journal of Molecular Medicine 41, no. 4 (2018): 2429-2433. https://doi.org/10.3892/ijmm.2018.3421
Copy and paste a formatted citation
x
Spandidos Publications style
Li S, Sui Y, Sun J, Jiang T and Dong G: Identification of tumor suppressive role of microRNA-132 and its target gene in tumorigenesis of prostate cancer. Int J Mol Med 41: 2429-2433, 2018.
APA
Li, S., Sui, Y., Sun, J., Jiang, T., & Dong, G. (2018). Identification of tumor suppressive role of microRNA-132 and its target gene in tumorigenesis of prostate cancer. International Journal of Molecular Medicine, 41, 2429-2433. https://doi.org/10.3892/ijmm.2018.3421
MLA
Li, S., Sui, Y., Sun, J., Jiang, T., Dong, G."Identification of tumor suppressive role of microRNA-132 and its target gene in tumorigenesis of prostate cancer". International Journal of Molecular Medicine 41.4 (2018): 2429-2433.
Chicago
Li, S., Sui, Y., Sun, J., Jiang, T., Dong, G."Identification of tumor suppressive role of microRNA-132 and its target gene in tumorigenesis of prostate cancer". International Journal of Molecular Medicine 41, no. 4 (2018): 2429-2433. https://doi.org/10.3892/ijmm.2018.3421
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