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Centromere protein U is a potential target for gene therapy of human bladder cancer

  • Authors:
    • Sheng Wang
    • Beibei Liu
    • Jiajun Zhang
    • Wei Sun
    • Changyuan Dai
    • Wenyan Sun
    • Qingwen Li
  • View Affiliations / Copyright

    Affiliations: Department of Urinary Surgery, The First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui 233000, P.R. China
    Copyright: © Wang et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 735-744
    |
    Published online on: June 30, 2017
       https://doi.org/10.3892/or.2017.5769
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Abstract

To investigate the role of centromere protein U (CENPU) in human bladder cancer (BCa), CENPU gene expression was evaluated in human BCa tissues. We used real-time quantitative PCR (qPCR) and found that CENPU gene expression in human BCa tissues was higher compared to that observed in cancer-adjacent normal tissues. High CENPU expression was found to be strongly correlated with tumor size and TNM stage. Kaplan-Meier survival analysis indicated that high CENPU levels were associated with reduced survival. We used a lentivirus to silence endogenous CENPU gene expression in the BCa T24 cell line. CENPU knockdown was confirmed by qPCR. Cellomic imaging and BrdU assays showed that cell proliferation was significantly reduced in the CENPU-silenced cells compared to that noted in the control cells. Flow cytometry revealed that in the CENPU-silenced cells the cell cycle was arrested at the G1 phase relative to that in the control cells. In addition, apoptosis was significantly increased in the CENPU-silenced cells. Giemsa staining showed that CENPU-silenced cells, compared to control cells, displayed a significantly lower number of cell colonies. The genome-wide effect of CENPU knockdown showed that a total of 1,274 differentially expressed genes was found, including 809 downregulated genes and 465 upregulated genes. Network analysis by Ingenuity Pathway Analysis (IPA) resulted in 25 distinct signaling pathways, including the top-ranked network: ‘Cellular compromise, organismal injury and abnormalities, skeletal and muscular disorders’. In-depth IPA analysis revealed that CENPU was associated with the HMGB1 signaling pathway. qPCR and western blot analysis demonstrated that in the HMGB1 signaling pathway, CENPU knockdown downregulated expression levels of ILB, CXCL8, RAC1 and IL1A. In conclusion, our data may provide a potential pathway signature for therapeutic targets with which to treat BCa.
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Copy and paste a formatted citation
Spandidos Publications style
Wang S, Liu B, Zhang J, Sun W, Dai C, Sun W and Li Q: Centromere protein U is a potential target for gene therapy of human bladder cancer. Oncol Rep 38: 735-744, 2017.
APA
Wang, S., Liu, B., Zhang, J., Sun, W., Dai, C., Sun, W., & Li, Q. (2017). Centromere protein U is a potential target for gene therapy of human bladder cancer. Oncology Reports, 38, 735-744. https://doi.org/10.3892/or.2017.5769
MLA
Wang, S., Liu, B., Zhang, J., Sun, W., Dai, C., Sun, W., Li, Q."Centromere protein U is a potential target for gene therapy of human bladder cancer". Oncology Reports 38.2 (2017): 735-744.
Chicago
Wang, S., Liu, B., Zhang, J., Sun, W., Dai, C., Sun, W., Li, Q."Centromere protein U is a potential target for gene therapy of human bladder cancer". Oncology Reports 38, no. 2 (2017): 735-744. https://doi.org/10.3892/or.2017.5769
Copy and paste a formatted citation
x
Spandidos Publications style
Wang S, Liu B, Zhang J, Sun W, Dai C, Sun W and Li Q: Centromere protein U is a potential target for gene therapy of human bladder cancer. Oncol Rep 38: 735-744, 2017.
APA
Wang, S., Liu, B., Zhang, J., Sun, W., Dai, C., Sun, W., & Li, Q. (2017). Centromere protein U is a potential target for gene therapy of human bladder cancer. Oncology Reports, 38, 735-744. https://doi.org/10.3892/or.2017.5769
MLA
Wang, S., Liu, B., Zhang, J., Sun, W., Dai, C., Sun, W., Li, Q."Centromere protein U is a potential target for gene therapy of human bladder cancer". Oncology Reports 38.2 (2017): 735-744.
Chicago
Wang, S., Liu, B., Zhang, J., Sun, W., Dai, C., Sun, W., Li, Q."Centromere protein U is a potential target for gene therapy of human bladder cancer". Oncology Reports 38, no. 2 (2017): 735-744. https://doi.org/10.3892/or.2017.5769
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