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Article Open Access

Downregulation of CLCA4 expression is associated with the development and progression of colorectal cancer

  • Authors:
    • Lihui Wei
    • Wujin Chen
    • Jinyan Zhao
    • Yi Fang
    • Jiumao Lin
  • View Affiliations / Copyright

    Affiliations: Academy of Integrative Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, P.R. China, Department of Oncology, Affiliated People's Hospital of Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350004, P.R. China
    Copyright: © Wei et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 631-638
    |
    Published online on: May 18, 2020
       https://doi.org/10.3892/ol.2020.11640
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Abstract

The molecular mechanisms involved in the development and progression of colorectal cancer (CRC) are not completely understood. The present study aimed to identify potential novel genes involved in the development and progression of CRC. Database analysis revealed that the mRNA level of the chloride channel accessory 4 (CLCA4) was frequently lower in primary tumor tissues compared with that in corresponding non‑cancerous colon tissues, and was even lower in liver metastases than in primary tumors. Further analyses through The Human Protein Atlas (THPA) website and immunohistochemistry (IHC)‑based tissue microarray (TMA) confirmed that CLCA4 mRNA and protein expression were downregulated in CRC tissues. Furthermore, IHC‑based TMA analysis revealed a gradual decrease in CLCA4 protein expression among colorectal normal, adenoma and carcinoma tissues. Survival analysis revealed that the decrease in CLCA4 mRNA expression was associated with the overall survival rate of patients with different types of tumor, including CRC, breast cancer, head and neck cancer and stomach cancer. Overall, downregulated CLCA4 expression may influence the development and progression of CRC.
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Copy and paste a formatted citation
Spandidos Publications style
Wei L, Chen W, Zhao J, Fang Y and Lin J: Downregulation of CLCA4 expression is associated with the development and progression of colorectal cancer. Oncol Lett 20: 631-638, 2020.
APA
Wei, L., Chen, W., Zhao, J., Fang, Y., & Lin, J. (2020). Downregulation of CLCA4 expression is associated with the development and progression of colorectal cancer. Oncology Letters, 20, 631-638. https://doi.org/10.3892/ol.2020.11640
MLA
Wei, L., Chen, W., Zhao, J., Fang, Y., Lin, J."Downregulation of CLCA4 expression is associated with the development and progression of colorectal cancer". Oncology Letters 20.1 (2020): 631-638.
Chicago
Wei, L., Chen, W., Zhao, J., Fang, Y., Lin, J."Downregulation of CLCA4 expression is associated with the development and progression of colorectal cancer". Oncology Letters 20, no. 1 (2020): 631-638. https://doi.org/10.3892/ol.2020.11640
Copy and paste a formatted citation
x
Spandidos Publications style
Wei L, Chen W, Zhao J, Fang Y and Lin J: Downregulation of CLCA4 expression is associated with the development and progression of colorectal cancer. Oncol Lett 20: 631-638, 2020.
APA
Wei, L., Chen, W., Zhao, J., Fang, Y., & Lin, J. (2020). Downregulation of CLCA4 expression is associated with the development and progression of colorectal cancer. Oncology Letters, 20, 631-638. https://doi.org/10.3892/ol.2020.11640
MLA
Wei, L., Chen, W., Zhao, J., Fang, Y., Lin, J."Downregulation of CLCA4 expression is associated with the development and progression of colorectal cancer". Oncology Letters 20.1 (2020): 631-638.
Chicago
Wei, L., Chen, W., Zhao, J., Fang, Y., Lin, J."Downregulation of CLCA4 expression is associated with the development and progression of colorectal cancer". Oncology Letters 20, no. 1 (2020): 631-638. https://doi.org/10.3892/ol.2020.11640
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