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Article Open Access

Clinical significance of bromodomain‑containing protein 7 and its association with tumor progression in prostate cancer

  • Authors:
    • Yong Liang
    • Baiping Dong
    • Jiangwei Shen
    • Caosheng Ma
    • Zhongping Ma
  • View Affiliations / Copyright

    Affiliations: Department of Urology Surgery, Caoxian People's Hospital, Heze, Shandong 274400, P.R. China
    Copyright: © Liang et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 849-856
    |
    Published online on: November 5, 2018
       https://doi.org/10.3892/ol.2018.9665
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Abstract

Prostate cancer (PCa) is a common malignancy in males. The current study assessed the clinical significance of bromodomain‑containing protein 7 (BRD7) and its association with PCa tumor progression. Serum and tissue expression levels of BRD7 were analyzed by reverse transcription‑quantitative polymerase chain reaction. Receiver operating characteristic (ROC) analysis was used to evaluate the diagnostic value of BRD7. Kaplan‑Meier survival analysis and Cox regression analysis were performed to assess the prognostic performance of BRD7. The association of BRD7 with cell behavior was investigated by transfection with a pcDNA3.1‑BRD7 vector. The results revealed that serum and tissue BRD7 expression levels were significantly decreased in PCa samples compared with normal controls (P<0.001). BRD7 expression was significantly associated with the pathological stage (P=0.037), lymph node metastasis (P=0.009) and TNM stage (P=0.010). An area under the ROC curve of 0.864 was obtained, with a sensitivity and specificity of 77.0 and 83.3%, respectively. Low BRD7 expression was significantly associated with a shorter survival time in both overall survival analysis (P=0.003) and cancer‑specific survival analysis (P=0.029). Furthermore, BRD7 appeared to serve as an independent prognostic factor for PCa. The proliferation, migration and invasion of PCa cells were suppressed by BRD7 overexpression. In summary, downregulation of BRD7 in PCa may be involved in tumor progression and serve as an effective diagnostic and prognostic biomarker.
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Copy and paste a formatted citation
Spandidos Publications style
Liang Y, Dong B, Shen J, Ma C and Ma Z: Clinical significance of bromodomain‑containing protein 7 and its association with tumor progression in prostate cancer. Oncol Lett 17: 849-856, 2019.
APA
Liang, Y., Dong, B., Shen, J., Ma, C., & Ma, Z. (2019). Clinical significance of bromodomain‑containing protein 7 and its association with tumor progression in prostate cancer. Oncology Letters, 17, 849-856. https://doi.org/10.3892/ol.2018.9665
MLA
Liang, Y., Dong, B., Shen, J., Ma, C., Ma, Z."Clinical significance of bromodomain‑containing protein 7 and its association with tumor progression in prostate cancer". Oncology Letters 17.1 (2019): 849-856.
Chicago
Liang, Y., Dong, B., Shen, J., Ma, C., Ma, Z."Clinical significance of bromodomain‑containing protein 7 and its association with tumor progression in prostate cancer". Oncology Letters 17, no. 1 (2019): 849-856. https://doi.org/10.3892/ol.2018.9665
Copy and paste a formatted citation
x
Spandidos Publications style
Liang Y, Dong B, Shen J, Ma C and Ma Z: Clinical significance of bromodomain‑containing protein 7 and its association with tumor progression in prostate cancer. Oncol Lett 17: 849-856, 2019.
APA
Liang, Y., Dong, B., Shen, J., Ma, C., & Ma, Z. (2019). Clinical significance of bromodomain‑containing protein 7 and its association with tumor progression in prostate cancer. Oncology Letters, 17, 849-856. https://doi.org/10.3892/ol.2018.9665
MLA
Liang, Y., Dong, B., Shen, J., Ma, C., Ma, Z."Clinical significance of bromodomain‑containing protein 7 and its association with tumor progression in prostate cancer". Oncology Letters 17.1 (2019): 849-856.
Chicago
Liang, Y., Dong, B., Shen, J., Ma, C., Ma, Z."Clinical significance of bromodomain‑containing protein 7 and its association with tumor progression in prostate cancer". Oncology Letters 17, no. 1 (2019): 849-856. https://doi.org/10.3892/ol.2018.9665
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