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2014-January Volume 31 Issue 1

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International Journal of Molecular Medicine

International Journal of Molecular Medicine is an international journal devoted to molecular mechanisms of human disease.

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International Journal of Oncology is an international journal devoted to oncology research and cancer treatment.

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Oncology Reports is an international journal devoted to fundamental and applied research in Oncology.

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Oncology Letters is an international journal devoted to Experimental and Clinical Oncology.

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Article

Tumor necrosis factor α induces epithelial-mesenchymal transition and promotes metastasis via NF-κB signaling pathway-mediated TWIST expression in hypopharyngeal cancer

  • Authors:
    • Liang Yu
    • Yakui Mu
    • Na Sa
    • Haibo Wang
    • Wei Xu
  • View Affiliations / Copyright

    Affiliations: Department of Otolaryngology - Head and Neck Surgery, Provincial Hospital Affiliated to Shandong University, Jinan, Shandong 250021, P.R. China
  • Pages: 321-327
    |
    Published online on: November 11, 2013
       https://doi.org/10.3892/or.2013.2841
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Abstract

Epithelial-mesenchymal transition (EMT) is an important mechanism in cancer metastasis. Tumor necrosis factor α (TNFα) can induce cancer invasion and metastasis associated with EMT. However, the underlying mechanisms are not entirely clear. Therefore, we investigated whether TNFα has an effect on EMT and invasion and metastasis in human hypopharyngeal cancer FaDu cells, and further explored the potential mechanisms. In the present study, we demonstrated that TNFα induced EMT in FaDu cells and promoted FaDu cell migration and invasion. TNFα-induced EMT was characterized by a change from well organized cell-cell adhesion and cell polarity to loss of cell-cell contacts, cell scattering and increased expression of vimentin and N-cadherin accompanied by a decrease in E-cadherin. Furthermore, we found that p65 translocated to the nucleus after TNFα stimulation and increased the nuclear expression of TWIST. We demonstrated that TNFα treatment also increased the expression of TWIST by activating the NF-κB signaling pathway. While p65 was inhibited by siRNA-65 or BAY11-7082 (inhibitor of NF-κB), TWIST expression was also decreased. Therefore, we conclude that TNFα induces EMT and promotes metastasis via NF-κB signaling pathway-mediated TWIST expression in hypopharyngeal cancer.
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Copy and paste a formatted citation
Spandidos Publications style
Yu L, Mu Y, Sa N, Wang H and Xu W: Tumor necrosis factor α induces epithelial-mesenchymal transition and promotes metastasis via NF-κB signaling pathway-mediated TWIST expression in hypopharyngeal cancer. Oncol Rep 31: 321-327, 2014.
APA
Yu, L., Mu, Y., Sa, N., Wang, H., & Xu, W. (2014). Tumor necrosis factor α induces epithelial-mesenchymal transition and promotes metastasis via NF-κB signaling pathway-mediated TWIST expression in hypopharyngeal cancer. Oncology Reports, 31, 321-327. https://doi.org/10.3892/or.2013.2841
MLA
Yu, L., Mu, Y., Sa, N., Wang, H., Xu, W."Tumor necrosis factor α induces epithelial-mesenchymal transition and promotes metastasis via NF-κB signaling pathway-mediated TWIST expression in hypopharyngeal cancer". Oncology Reports 31.1 (2014): 321-327.
Chicago
Yu, L., Mu, Y., Sa, N., Wang, H., Xu, W."Tumor necrosis factor α induces epithelial-mesenchymal transition and promotes metastasis via NF-κB signaling pathway-mediated TWIST expression in hypopharyngeal cancer". Oncology Reports 31, no. 1 (2014): 321-327. https://doi.org/10.3892/or.2013.2841
Copy and paste a formatted citation
x
Spandidos Publications style
Yu L, Mu Y, Sa N, Wang H and Xu W: Tumor necrosis factor α induces epithelial-mesenchymal transition and promotes metastasis via NF-κB signaling pathway-mediated TWIST expression in hypopharyngeal cancer. Oncol Rep 31: 321-327, 2014.
APA
Yu, L., Mu, Y., Sa, N., Wang, H., & Xu, W. (2014). Tumor necrosis factor α induces epithelial-mesenchymal transition and promotes metastasis via NF-κB signaling pathway-mediated TWIST expression in hypopharyngeal cancer. Oncology Reports, 31, 321-327. https://doi.org/10.3892/or.2013.2841
MLA
Yu, L., Mu, Y., Sa, N., Wang, H., Xu, W."Tumor necrosis factor α induces epithelial-mesenchymal transition and promotes metastasis via NF-κB signaling pathway-mediated TWIST expression in hypopharyngeal cancer". Oncology Reports 31.1 (2014): 321-327.
Chicago
Yu, L., Mu, Y., Sa, N., Wang, H., Xu, W."Tumor necrosis factor α induces epithelial-mesenchymal transition and promotes metastasis via NF-κB signaling pathway-mediated TWIST expression in hypopharyngeal cancer". Oncology Reports 31, no. 1 (2014): 321-327. https://doi.org/10.3892/or.2013.2841
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