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Article

Inhibition of CCR7 promotes NF-κB-dependent apoptosis and suppresses epithelial-mesenchymal transition in non-small cell lung cancer

  • Authors:
    • Lan Zhang
    • Xuyang Xiao
    • Hui An
    • Jian Wang
    • Yanmei Ma
    • Yi-Hua Qian
  • View Affiliations / Copyright

    Affiliations: School of Basic Medical Sciences, Health Science Center, Xi'an Jiaotong University, Xi'an, Shanxi 710061, P.R. China, Department of Thoracic Surgery, First Affiliated Hospital of Liaoning Medical University, Jinzhou, Liaoning 121001, P.R. China, Department of Cardiothoracic Surgery, First Affiliated Hospital of Liaoning Medical University, Jinzhou, Liaoning 121001, P.R. China, Department of Neurological Surgery, First Affiliated Hospital of Liaoning Medical University, Jinzhou, Liaoning 121001, P.R. China, Department of Nursing, First Affiliated Hospital of Liaoning Medical University, Jinzhou, Liaoning 121001, P.R. China, Department of Human Anatomy, Histology and Embryology, School of Basic Medical Sciences, Health Science Center, Xi'an Jiaotong University, Xi'an, Shanxi 710061, P.R. China
  • Pages: 2913-2919
    |
    Published online on: March 23, 2017
       https://doi.org/10.3892/or.2017.5524
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Abstract

Activation of C-C chemokine receptor type 7 (CCR7) has been demonstrated to mediate the occurrence and progression of non-small cell lung cancer (NSCLC). However, the potential therapeutic role of CCR7 inhibition in NSCLC is still obscure. Thus, the present study was conducted to investigate the molecular mechanism underlying the inhibition of CCR7 on cell apoptosis and epithelial-mesenchymal transition (EMT) in NSCLC A549 cells. Chemokine ligand 21 (CCL21) was used to activate CCR7 and the results revealed that CCR7 upregulation inhibited cell apoptosis and affected apoptosis‑related protein levels. However, CCR7-siRNA treatment markedly promoted apoptosis and suppressed inflammatory response and transforming growth factor β1 (TGF-β1)-induced EMT. In addition, CCR7‑siRNA inactivated the NF-κB signaling pathway and inhibition of NF-κB via its specific antagonist, pyrrolidine dithiocarbamate, indicated that NF-κB was involved in the CCR7-mediated apoptosis. In conclusion, upregulation of CCR7 promoted cell proliferation and inflammation in A549 cells. In conclusion, inhibition of CCR7 via siRNA treatment promoted cell apoptosis and suppressed the inflammatory response and TGF-β1‑induced EMT, which may be associated with NF-κB signaling.
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Copy and paste a formatted citation
Spandidos Publications style
Zhang L, Xiao X, An H, Wang J, Ma Y and Qian Y: Inhibition of CCR7 promotes NF-κB-dependent apoptosis and suppresses epithelial-mesenchymal transition in non-small cell lung cancer. Oncol Rep 37: 2913-2919, 2017.
APA
Zhang, L., Xiao, X., An, H., Wang, J., Ma, Y., & Qian, Y. (2017). Inhibition of CCR7 promotes NF-κB-dependent apoptosis and suppresses epithelial-mesenchymal transition in non-small cell lung cancer. Oncology Reports, 37, 2913-2919. https://doi.org/10.3892/or.2017.5524
MLA
Zhang, L., Xiao, X., An, H., Wang, J., Ma, Y., Qian, Y."Inhibition of CCR7 promotes NF-κB-dependent apoptosis and suppresses epithelial-mesenchymal transition in non-small cell lung cancer". Oncology Reports 37.5 (2017): 2913-2919.
Chicago
Zhang, L., Xiao, X., An, H., Wang, J., Ma, Y., Qian, Y."Inhibition of CCR7 promotes NF-κB-dependent apoptosis and suppresses epithelial-mesenchymal transition in non-small cell lung cancer". Oncology Reports 37, no. 5 (2017): 2913-2919. https://doi.org/10.3892/or.2017.5524
Copy and paste a formatted citation
x
Spandidos Publications style
Zhang L, Xiao X, An H, Wang J, Ma Y and Qian Y: Inhibition of CCR7 promotes NF-κB-dependent apoptosis and suppresses epithelial-mesenchymal transition in non-small cell lung cancer. Oncol Rep 37: 2913-2919, 2017.
APA
Zhang, L., Xiao, X., An, H., Wang, J., Ma, Y., & Qian, Y. (2017). Inhibition of CCR7 promotes NF-κB-dependent apoptosis and suppresses epithelial-mesenchymal transition in non-small cell lung cancer. Oncology Reports, 37, 2913-2919. https://doi.org/10.3892/or.2017.5524
MLA
Zhang, L., Xiao, X., An, H., Wang, J., Ma, Y., Qian, Y."Inhibition of CCR7 promotes NF-κB-dependent apoptosis and suppresses epithelial-mesenchymal transition in non-small cell lung cancer". Oncology Reports 37.5 (2017): 2913-2919.
Chicago
Zhang, L., Xiao, X., An, H., Wang, J., Ma, Y., Qian, Y."Inhibition of CCR7 promotes NF-κB-dependent apoptosis and suppresses epithelial-mesenchymal transition in non-small cell lung cancer". Oncology Reports 37, no. 5 (2017): 2913-2919. https://doi.org/10.3892/or.2017.5524
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