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International Journal of Molecular Medicine

International Journal of Molecular Medicine is an international journal devoted to molecular mechanisms of human disease.

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International Journal of Oncology is an international journal devoted to oncology research and cancer treatment.

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Covers molecular medicine topics such as pharmacology, pathology, genetics, neuroscience, infectious diseases, molecular cardiology, and molecular surgery.

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Oncology Reports is an international journal devoted to fundamental and applied research in Oncology.

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Experimental and Therapeutic Medicine is an international journal devoted to laboratory and clinical medicine.

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Article

Downregulation of PLZF in human hepatocellular carcinoma and its clinical significance

  • Authors:
    • Anselm Wang-Hei Hui
    • Hon-Wai Lau
    • Cyanne Ye Cao
    • Jun-Wei Zhou
    • Paul Bo-San Lai
    • Stephen Kwok-Wing Tsui
  • View Affiliations / Copyright

    Affiliations: School of Biomedical Sciences, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, SAR, P.R. China, Department of Surgery, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, SAR, P.R. China
  • Pages: 397-402
    |
    Published online on: October 30, 2014
       https://doi.org/10.3892/or.2014.3578
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Abstract

Promyelocytic leukemia zinc finger (PLZF) acts as a tumor-suppressor gene in a series of cancers including prostate, melanoma, colon cancer and leukemia. However, its role in hepatocellular carcinoma (HCC) has not yet been illustrated. The present study aimed to investigate the expression and epigenetic regulation of PLZF as well as its clinical significance in HCC. We found that the expression of PLZF was significantly downregulated in HCC samples at both the RNA level (P<0.001) and protein level compared with these levels in adjacent normal tissues. The relative expression level of PLZF was also positively correlated with the ALP level (P=0.026) noted in the HCC patients. However, hypermethylation was only detected in one out of 5 paired HCC samples, indicating that methylation of the selected promoter region (from -1702 to -1388) may not be the major regulatory mechanism for the downregulation of PLZF in HCC. A receiver operating characteristic (ROC) curve was created to evaluate the diagnostic value for differentiating between HCC and benign diseases. The area under the ROC curve (AUC) for indicating the value of PLZF as an HCC biomarker was 0.794 (95% CI, 0.697-0.892; P<0.001). Taken together, our results suggest that PLZF may play an important role in HCC development and may be a potential biomarker for the diagnosis of HCC.
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Copy and paste a formatted citation
Spandidos Publications style
Hui AW, Lau H, Cao CY, Zhou J, Lai PB and Tsui SK: Downregulation of PLZF in human hepatocellular carcinoma and its clinical significance. Oncol Rep 33: 397-402, 2015.
APA
Hui, A.W., Lau, H., Cao, C.Y., Zhou, J., Lai, P.B., & Tsui, S.K. (2015). Downregulation of PLZF in human hepatocellular carcinoma and its clinical significance. Oncology Reports, 33, 397-402. https://doi.org/10.3892/or.2014.3578
MLA
Hui, A. W., Lau, H., Cao, C. Y., Zhou, J., Lai, P. B., Tsui, S. K."Downregulation of PLZF in human hepatocellular carcinoma and its clinical significance". Oncology Reports 33.1 (2015): 397-402.
Chicago
Hui, A. W., Lau, H., Cao, C. Y., Zhou, J., Lai, P. B., Tsui, S. K."Downregulation of PLZF in human hepatocellular carcinoma and its clinical significance". Oncology Reports 33, no. 1 (2015): 397-402. https://doi.org/10.3892/or.2014.3578
Copy and paste a formatted citation
x
Spandidos Publications style
Hui AW, Lau H, Cao CY, Zhou J, Lai PB and Tsui SK: Downregulation of PLZF in human hepatocellular carcinoma and its clinical significance. Oncol Rep 33: 397-402, 2015.
APA
Hui, A.W., Lau, H., Cao, C.Y., Zhou, J., Lai, P.B., & Tsui, S.K. (2015). Downregulation of PLZF in human hepatocellular carcinoma and its clinical significance. Oncology Reports, 33, 397-402. https://doi.org/10.3892/or.2014.3578
MLA
Hui, A. W., Lau, H., Cao, C. Y., Zhou, J., Lai, P. B., Tsui, S. K."Downregulation of PLZF in human hepatocellular carcinoma and its clinical significance". Oncology Reports 33.1 (2015): 397-402.
Chicago
Hui, A. W., Lau, H., Cao, C. Y., Zhou, J., Lai, P. B., Tsui, S. K."Downregulation of PLZF in human hepatocellular carcinoma and its clinical significance". Oncology Reports 33, no. 1 (2015): 397-402. https://doi.org/10.3892/or.2014.3578
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