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Article

EpCAM and COX‑2 expression are positively correlated in human breast cancer

  • Authors:
    • Shuhang Gao
    • Yan Sun
    • Xue Liu
    • Dandan Zhang
    • Xuesong Yang
  • View Affiliations / Copyright

    Affiliations: Department of Oncology, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116044, P.R. China, Department of Nephrology, Hematology and Rheumatology, Yantai Affiliated Hospital, Binzhou Medical College, Yantai, Shandong 264000, P.R. China, Department of Biochemistry and Molecular Biology, Dalian Medical University, Liaoning Provincial Core Lab of Glycobiology and Glycoengineering, Dalian, Liaoning 116044, P.R. China
  • Pages: 3755-3760
    |
    Published online on: April 7, 2017
       https://doi.org/10.3892/mmr.2017.6447
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Abstract

Upregulation of the epithelial cell adhesion molecule (EpCAM) is involved in tumor progression. Cyclooxygenase (COX)‑2 is the key enzyme catalyzing prostaglandin synthesis and is involved in breast cancer progression and metastasis. However, the prognostic value of EpCAM and its putative correlation with COX‑2 in breast cancer have yet to be elucidated. The aim of the present study was to assess the clinical relevance of the relationship between EpCAM and COX‑2, via examining the putative correlation between EpCAM and COX‑2 expression in various types of human breast cancer. A total of 134 breast cancer tissue samples was examined in the present study. Immunohistochemistry approach was used to detect EpCAM and COX‑2 expression in the tissue microarrays. Spearman's correlation analysis was performed to evaluate the correlation between the protein expression and clinicopathological parameters present in patients with various tumor subtypes, with the aim to potentially establish a relationship between EpCAM/COX‑2 and clinical prognosis. Expression of EpCAM and COX‑2 was revealed to be associated with tumor progression, and poor prognosis in breast cancer. The present findings demonstrated that EpCAM was involved in the regulation of COX‑2 expression, and a positive correlation between the proteins was associated with poor prognosis in patients with breast cancer. The present results suggest that EpCAM and COX‑2 may have potential as prognostic biomarkers in the diagnosis and treatment of patients with breast cancer.
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Copy and paste a formatted citation
Spandidos Publications style
Gao S, Sun Y, Liu X, Zhang D and Yang X: EpCAM and COX‑2 expression are positively correlated in human breast cancer. Mol Med Rep 15: 3755-3760, 2017.
APA
Gao, S., Sun, Y., Liu, X., Zhang, D., & Yang, X. (2017). EpCAM and COX‑2 expression are positively correlated in human breast cancer. Molecular Medicine Reports, 15, 3755-3760. https://doi.org/10.3892/mmr.2017.6447
MLA
Gao, S., Sun, Y., Liu, X., Zhang, D., Yang, X."EpCAM and COX‑2 expression are positively correlated in human breast cancer". Molecular Medicine Reports 15.6 (2017): 3755-3760.
Chicago
Gao, S., Sun, Y., Liu, X., Zhang, D., Yang, X."EpCAM and COX‑2 expression are positively correlated in human breast cancer". Molecular Medicine Reports 15, no. 6 (2017): 3755-3760. https://doi.org/10.3892/mmr.2017.6447
Copy and paste a formatted citation
x
Spandidos Publications style
Gao S, Sun Y, Liu X, Zhang D and Yang X: EpCAM and COX‑2 expression are positively correlated in human breast cancer. Mol Med Rep 15: 3755-3760, 2017.
APA
Gao, S., Sun, Y., Liu, X., Zhang, D., & Yang, X. (2017). EpCAM and COX‑2 expression are positively correlated in human breast cancer. Molecular Medicine Reports, 15, 3755-3760. https://doi.org/10.3892/mmr.2017.6447
MLA
Gao, S., Sun, Y., Liu, X., Zhang, D., Yang, X."EpCAM and COX‑2 expression are positively correlated in human breast cancer". Molecular Medicine Reports 15.6 (2017): 3755-3760.
Chicago
Gao, S., Sun, Y., Liu, X., Zhang, D., Yang, X."EpCAM and COX‑2 expression are positively correlated in human breast cancer". Molecular Medicine Reports 15, no. 6 (2017): 3755-3760. https://doi.org/10.3892/mmr.2017.6447
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