miR-24-3p regulates bladder cancer cell proliferation, migration, invasion and autophagy by targeting DEDD

  • Authors:
    • Guoqiang Yu
    • Zhaohui Jia
    • Zhongling Dou
  • View Affiliations

  • Published online on: December 16, 2016     https://doi.org/10.3892/or.2016.5326
  • Pages: 1123-1131
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Abstract

microRNAs (miRNAs), a class of small non-coding RNA molecules, can regulate gene expression by interacting with the 3'-untranslated regions (3'UTR) of target genes and influence various biological processes. We investigated the potential role of miR-24-3p in the development of bladder cancer by regulating DEDD, a member of the death effector domain-containing protein family. First, we found that miR-24-3p was highly expressed and that DEDD was expressed at a low level in bladder cancer tissues compared with that in adjacent bladder tissues by qRT-PCR (P<0.0001). Second, we found that miR-24-3p promoted the proliferation ability of bladder cancer cells using the MTT assay and colony forming assay; and showed that miR-24-3p accelerated the migration and invasion of bladder cancer cells using migration and invasion assays (P<0.05). Moreover, miR-24-3p inhibited apoptosis of bladder cancer cells, as shown by flow cytometry (P<0.05). Western blot results demonstrated that miR-24-3p participated in autophagy of bladder cancer cells by DEDD. In addition, the tumor formation assay showed that miR-24-3p promoted the growth of bladder tumor in vivo. Furthermore, the luciferase reporter gene assay indicated that miR-24-3p suppressed DEDD gene transcription. Therefore, our study indicated that miR-24-3p promoted bladder cancer progression by inhibiting DEDD.

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February 2017
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Copy and paste a formatted citation
APA
Yu, G., Jia, Z., & Dou, Z. (2017). miR-24-3p regulates bladder cancer cell proliferation, migration, invasion and autophagy by targeting DEDD. Oncology Reports, 37, 1123-1131. https://doi.org/10.3892/or.2016.5326
MLA
Yu, G., Jia, Z., Dou, Z."miR-24-3p regulates bladder cancer cell proliferation, migration, invasion and autophagy by targeting DEDD". Oncology Reports 37.2 (2017): 1123-1131.
Chicago
Yu, G., Jia, Z., Dou, Z."miR-24-3p regulates bladder cancer cell proliferation, migration, invasion and autophagy by targeting DEDD". Oncology Reports 37, no. 2 (2017): 1123-1131. https://doi.org/10.3892/or.2016.5326