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Article

Role of 5‑Aza‑CdR in mitomycin‑C chemosensitivity of T24 bladder cancer cells

  • Authors:
    • Hui‑Hui Zhang
    • Bo Huang
    • You‑Han Cao
    • Qing Li
    • Han‑Feng Xu
  • View Affiliations / Copyright

    Affiliations: Department of Urology, The First Affiliated Hospital of University of South China, Hengyang, Hunan 421001, P.R. China
  • Pages: 5652-5656
    |
    Published online on: August 31, 2017
       https://doi.org/10.3892/ol.2017.6853
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Abstract

Chemotherapeutic insensitivity is one of key obstacles to effectively treating muscle invasive bladder cancer. 5‑Aza‑2'‑deoxycytidine (5‑Aza‑CdR) has been identified as a tumor suppressive agent in various types of cancer. The aim of the present study was to identify the effects of 5‑Aza‑CdR on the mitomycin‑C (MMC) chemosensitivity of T24 bladder cancer cells and investigate the underlying mechanisms. T24 cells were treated with a combination of MMC and 5‑Aza‑CdR at various concentrations. The rates of proliferation and apoptosis were assessed by an MTT assay and flow cytometry, respectively. The expression of drug resistance‑associated proteins, including P‑glycoprotein (P‑gp) and multidrug resistance‑associated protein 1 (MRP1), and autophagy‑associated proteins, including beclin 1, nucleoporin 62 (p62) and autophagy protein 5 (ATG5) were detected with western blotting. Treatment with 5‑Aza‑CdR significantly promoted the MMC chemosensitivity of T24 cells. The proliferation of T24 cells was significantly inhibited with increasing 5‑Aza‑CdR concentration, whereas apoptosis was significantly increased. This was associated with the decreased expression of P‑gp, MRP1, beclin 1, p62 and ATG5. In conclusion, 5‑Aza‑CdR enhanced MMC chemosensitivity in bladder cancer T24 cells, which may be caused by the suppression of drug resistance‑ and autophagy‑associated proteins.
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Copy and paste a formatted citation
Spandidos Publications style
Zhang HH, Huang B, Cao YH, Li Q and Xu HF: Role of 5‑Aza‑CdR in mitomycin‑C chemosensitivity of T24 bladder cancer cells. Oncol Lett 14: 5652-5656, 2017.
APA
Zhang, H., Huang, B., Cao, Y., Li , Q., & Xu, H. (2017). Role of 5‑Aza‑CdR in mitomycin‑C chemosensitivity of T24 bladder cancer cells. Oncology Letters, 14, 5652-5656. https://doi.org/10.3892/ol.2017.6853
MLA
Zhang, H., Huang, B., Cao, Y., Li , Q., Xu, H."Role of 5‑Aza‑CdR in mitomycin‑C chemosensitivity of T24 bladder cancer cells". Oncology Letters 14.5 (2017): 5652-5656.
Chicago
Zhang, H., Huang, B., Cao, Y., Li , Q., Xu, H."Role of 5‑Aza‑CdR in mitomycin‑C chemosensitivity of T24 bladder cancer cells". Oncology Letters 14, no. 5 (2017): 5652-5656. https://doi.org/10.3892/ol.2017.6853
Copy and paste a formatted citation
x
Spandidos Publications style
Zhang HH, Huang B, Cao YH, Li Q and Xu HF: Role of 5‑Aza‑CdR in mitomycin‑C chemosensitivity of T24 bladder cancer cells. Oncol Lett 14: 5652-5656, 2017.
APA
Zhang, H., Huang, B., Cao, Y., Li , Q., & Xu, H. (2017). Role of 5‑Aza‑CdR in mitomycin‑C chemosensitivity of T24 bladder cancer cells. Oncology Letters, 14, 5652-5656. https://doi.org/10.3892/ol.2017.6853
MLA
Zhang, H., Huang, B., Cao, Y., Li , Q., Xu, H."Role of 5‑Aza‑CdR in mitomycin‑C chemosensitivity of T24 bladder cancer cells". Oncology Letters 14.5 (2017): 5652-5656.
Chicago
Zhang, H., Huang, B., Cao, Y., Li , Q., Xu, H."Role of 5‑Aza‑CdR in mitomycin‑C chemosensitivity of T24 bladder cancer cells". Oncology Letters 14, no. 5 (2017): 5652-5656. https://doi.org/10.3892/ol.2017.6853
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