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Article Open Access

Upregulation of liver kinase B1 predicts poor prognosis in hepatocellular carcinoma

  • Authors:
    • Xiaolong Tan
    • Zhibin Liao
    • Huifang Liang
    • Xiaoping Chen
    • Bixiang Zhang
    • Liang Chu
  • View Affiliations / Copyright

    Affiliations: Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, P.R. China
    Copyright: © Tan et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 1913-1926
    |
    Published online on: September 7, 2018
       https://doi.org/10.3892/ijo.2018.4556
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Abstract

The majority of studies report that liver kinase B1 (LKB1) acts as a tumor suppressor by inhibiting cell proliferation and metastasis. The present study investigated the expression pattern of LKB1 in 2 cohorts of paired hepatocellular carcinoma (HCC) and analogous non‑cancerous tissues (ANT). The results indicated that LKB1 was upregulated in HCC vs. ANT tissues, and that high expression of LKB1 was associated with a higher number of tumor foci, larger tumor size, poorer tumor differentiation, Edmondson-Steiner grade, Barcelona Clinic Liver Cancer grade and tumor-node-metastasis stage. Furthermore, high LKB1 expression was associated with poor overall survival (OS), shorter disease‑free survival and early recurrence. Univariate and multivariate analyses demonstrated that high LKB1 expression may serve as an independent prognostic marker for OS, but not for recurrence. In addition, knockdown of LKB1 expression in HCC cell lines inhibited cell proliferation and subcutaneous tumor growth by promoting cell apoptosis. Therefore, the findings of the present study suggest a proto-oncogenic role of LKB1 in HCC.
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Copy and paste a formatted citation
Spandidos Publications style
Tan X, Liao Z, Liang H, Chen X, Zhang B and Chu L: Upregulation of liver kinase B1 predicts poor prognosis in hepatocellular carcinoma. Int J Oncol 53: 1913-1926, 2018.
APA
Tan, X., Liao, Z., Liang, H., Chen, X., Zhang, B., & Chu, L. (2018). Upregulation of liver kinase B1 predicts poor prognosis in hepatocellular carcinoma. International Journal of Oncology, 53, 1913-1926. https://doi.org/10.3892/ijo.2018.4556
MLA
Tan, X., Liao, Z., Liang, H., Chen, X., Zhang, B., Chu, L."Upregulation of liver kinase B1 predicts poor prognosis in hepatocellular carcinoma". International Journal of Oncology 53.5 (2018): 1913-1926.
Chicago
Tan, X., Liao, Z., Liang, H., Chen, X., Zhang, B., Chu, L."Upregulation of liver kinase B1 predicts poor prognosis in hepatocellular carcinoma". International Journal of Oncology 53, no. 5 (2018): 1913-1926. https://doi.org/10.3892/ijo.2018.4556
Copy and paste a formatted citation
x
Spandidos Publications style
Tan X, Liao Z, Liang H, Chen X, Zhang B and Chu L: Upregulation of liver kinase B1 predicts poor prognosis in hepatocellular carcinoma. Int J Oncol 53: 1913-1926, 2018.
APA
Tan, X., Liao, Z., Liang, H., Chen, X., Zhang, B., & Chu, L. (2018). Upregulation of liver kinase B1 predicts poor prognosis in hepatocellular carcinoma. International Journal of Oncology, 53, 1913-1926. https://doi.org/10.3892/ijo.2018.4556
MLA
Tan, X., Liao, Z., Liang, H., Chen, X., Zhang, B., Chu, L."Upregulation of liver kinase B1 predicts poor prognosis in hepatocellular carcinoma". International Journal of Oncology 53.5 (2018): 1913-1926.
Chicago
Tan, X., Liao, Z., Liang, H., Chen, X., Zhang, B., Chu, L."Upregulation of liver kinase B1 predicts poor prognosis in hepatocellular carcinoma". International Journal of Oncology 53, no. 5 (2018): 1913-1926. https://doi.org/10.3892/ijo.2018.4556
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