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Article

Expression and role of epithelial cell adhesion molecule in dysplastic nodule and hepatocellular carcinoma

  • Authors:
    • Jun Sang Bae
    • Sang Jae Noh
    • Kyu Yun Jang
    • Ho Sung Park
    • Myoung Ja Chung
    • Cheol Keun Park
    • Woo Sung Moon
  • View Affiliations / Copyright

    Affiliations: Department of Pathology, Chonbuk National University, Medical School, and Research Institute for Endocrine Sciences, Jeonju, Republic of Korea, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
  • Pages: 2150-2158
    |
    Published online on: September 19, 2012
       https://doi.org/10.3892/ijo.2012.1631
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Abstract

Epithelial cell adhesion molecule (EpCAM) has been proposed as a marker for cancer stem cells in human hepatocellular carcinoma (HCC). However, the function and clinical significance of EpCAM in HCC is largely unknown. We examined EpCAM expression and localization in 28 dysplastic nodules (DNs) and their corresponding cirrhotic nodules, 79 HCC tissue sections and 132 HCC tissue microarray cores by immunohistochemistry and determined the relationship to clinicopathologic findings. We also examined the role of EpCAM in HCC using synthetic small interfering RNA to silence EpCAM gene expression in Huh-7 cells. EpCAM expression was very rare in DNs but dominantly appeared in a distinctly nodular type of small HCC. Expression of EpCAM was observed in 39% (31/79) of HCC tissue sections and in 34.1% (45/132) of tissue microarray sections. EpCAM expression in HCC was significantly associated with high tumor grade and serum α-fetoprotein level. Silencing EpCAM gene expression significantly decreased the proliferative activity and invasiveness of HCC cells. EpCAM expression was an independent prognostic factor for survival in patients with T1 HCC. The data indicate that EpCAM expression occurs at distinct nodular stage of HCC and could play an important role in HCC progression.
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Copy and paste a formatted citation
Spandidos Publications style
Bae JS, Noh SJ, Jang KY, Park HS, Chung MJ, Park CK and Moon WS: Expression and role of epithelial cell adhesion molecule in dysplastic nodule and hepatocellular carcinoma. Int J Oncol 41: 2150-2158, 2012.
APA
Bae, J.S., Noh, S.J., Jang, K.Y., Park, H.S., Chung, M.J., Park, C.K., & Moon, W.S. (2012). Expression and role of epithelial cell adhesion molecule in dysplastic nodule and hepatocellular carcinoma. International Journal of Oncology, 41, 2150-2158. https://doi.org/10.3892/ijo.2012.1631
MLA
Bae, J. S., Noh, S. J., Jang, K. Y., Park, H. S., Chung, M. J., Park, C. K., Moon, W. S."Expression and role of epithelial cell adhesion molecule in dysplastic nodule and hepatocellular carcinoma". International Journal of Oncology 41.6 (2012): 2150-2158.
Chicago
Bae, J. S., Noh, S. J., Jang, K. Y., Park, H. S., Chung, M. J., Park, C. K., Moon, W. S."Expression and role of epithelial cell adhesion molecule in dysplastic nodule and hepatocellular carcinoma". International Journal of Oncology 41, no. 6 (2012): 2150-2158. https://doi.org/10.3892/ijo.2012.1631
Copy and paste a formatted citation
x
Spandidos Publications style
Bae JS, Noh SJ, Jang KY, Park HS, Chung MJ, Park CK and Moon WS: Expression and role of epithelial cell adhesion molecule in dysplastic nodule and hepatocellular carcinoma. Int J Oncol 41: 2150-2158, 2012.
APA
Bae, J.S., Noh, S.J., Jang, K.Y., Park, H.S., Chung, M.J., Park, C.K., & Moon, W.S. (2012). Expression and role of epithelial cell adhesion molecule in dysplastic nodule and hepatocellular carcinoma. International Journal of Oncology, 41, 2150-2158. https://doi.org/10.3892/ijo.2012.1631
MLA
Bae, J. S., Noh, S. J., Jang, K. Y., Park, H. S., Chung, M. J., Park, C. K., Moon, W. S."Expression and role of epithelial cell adhesion molecule in dysplastic nodule and hepatocellular carcinoma". International Journal of Oncology 41.6 (2012): 2150-2158.
Chicago
Bae, J. S., Noh, S. J., Jang, K. Y., Park, H. S., Chung, M. J., Park, C. K., Moon, W. S."Expression and role of epithelial cell adhesion molecule in dysplastic nodule and hepatocellular carcinoma". International Journal of Oncology 41, no. 6 (2012): 2150-2158. https://doi.org/10.3892/ijo.2012.1631
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