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October 2014 Volume 32 Issue 4

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Article

Expression of BAG-1 is closely related to cell differentiation and TNM stage in esophageal cancer and its downregulation inhibits the proliferation and invasion of human esophageal carcinoma cells

  • Authors:
    • Bo Huang
    • Hongli Zhou
    • Xianping Lang
    • Zhiliang Liu
    • Fei Xiong
    • Siwang Wang
  • View Affiliations / Copyright

    Affiliations: Department of Thoracic Surgery, The First Affiliated Hospital of Liaoning Medical University, Jinzhou, Liaoning 121000, P.R. China
  • Pages: 1441-1446
    |
    Published online on: July 23, 2014
       https://doi.org/10.3892/or.2014.3356
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Abstract

The aim of the present study was to explore the correlation of BAG-1 with clinical characteristics of esophageal cancer and its effects on the proliferation, invasion and apoptosis of the esophageal carcinoma cell line Eca109. Therefore, the expression of BAG-1 was assessed in esophageal carcinoma tumor tissues and adjacent normal esophageal tissues. The siRNA vector of BAG-1 was constructed and transfected into the Eca109 cell line, and then fluorescence microscopy was used to evaluate the transfection efficiency. MTT and Transwell assays were used to study cell proliferation and invasive activity, and the apoptosis rate was assessed by flow cytometry. Western blotting was adopted to assess the silencing efficiency and expression of related gene bcl-2. The results revealed that BAG-1 expression was low in the adjacent normal esophageal tissues while expression was high in the esophageal carcinoma tissues. After Eca109 cells were transfected with BAG-1-siRNA, the proliferation and invasive capabilities of the cells were significantly decreased while the apoptosis rate was greatly enhanced (P<0.01). When the expression of BAG-1 in the Eca109 cells was downregulated, the expression of bcl-2 was significantly abated (P<0.05). In conclusion, BAG-1 is closely connected with the pathogenesis and development of esophageal carcinoma, which may act through affecting bcl-2.
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Copy and paste a formatted citation
Spandidos Publications style
Huang B, Zhou H, Lang X, Liu Z, Xiong F and Wang S: Expression of BAG-1 is closely related to cell differentiation and TNM stage in esophageal cancer and its downregulation inhibits the proliferation and invasion of human esophageal carcinoma cells. Oncol Rep 32: 1441-1446, 2014.
APA
Huang, B., Zhou, H., Lang, X., Liu, Z., Xiong, F., & Wang, S. (2014). Expression of BAG-1 is closely related to cell differentiation and TNM stage in esophageal cancer and its downregulation inhibits the proliferation and invasion of human esophageal carcinoma cells. Oncology Reports, 32, 1441-1446. https://doi.org/10.3892/or.2014.3356
MLA
Huang, B., Zhou, H., Lang, X., Liu, Z., Xiong, F., Wang, S."Expression of BAG-1 is closely related to cell differentiation and TNM stage in esophageal cancer and its downregulation inhibits the proliferation and invasion of human esophageal carcinoma cells". Oncology Reports 32.4 (2014): 1441-1446.
Chicago
Huang, B., Zhou, H., Lang, X., Liu, Z., Xiong, F., Wang, S."Expression of BAG-1 is closely related to cell differentiation and TNM stage in esophageal cancer and its downregulation inhibits the proliferation and invasion of human esophageal carcinoma cells". Oncology Reports 32, no. 4 (2014): 1441-1446. https://doi.org/10.3892/or.2014.3356
Copy and paste a formatted citation
x
Spandidos Publications style
Huang B, Zhou H, Lang X, Liu Z, Xiong F and Wang S: Expression of BAG-1 is closely related to cell differentiation and TNM stage in esophageal cancer and its downregulation inhibits the proliferation and invasion of human esophageal carcinoma cells. Oncol Rep 32: 1441-1446, 2014.
APA
Huang, B., Zhou, H., Lang, X., Liu, Z., Xiong, F., & Wang, S. (2014). Expression of BAG-1 is closely related to cell differentiation and TNM stage in esophageal cancer and its downregulation inhibits the proliferation and invasion of human esophageal carcinoma cells. Oncology Reports, 32, 1441-1446. https://doi.org/10.3892/or.2014.3356
MLA
Huang, B., Zhou, H., Lang, X., Liu, Z., Xiong, F., Wang, S."Expression of BAG-1 is closely related to cell differentiation and TNM stage in esophageal cancer and its downregulation inhibits the proliferation and invasion of human esophageal carcinoma cells". Oncology Reports 32.4 (2014): 1441-1446.
Chicago
Huang, B., Zhou, H., Lang, X., Liu, Z., Xiong, F., Wang, S."Expression of BAG-1 is closely related to cell differentiation and TNM stage in esophageal cancer and its downregulation inhibits the proliferation and invasion of human esophageal carcinoma cells". Oncology Reports 32, no. 4 (2014): 1441-1446. https://doi.org/10.3892/or.2014.3356
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