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Article

RNA interference‑mediated knockdown of Aurora‑B alters the metastatic behavior of A549 cells via modulation of the phosphoinositide 3‑kinase/Akt signaling pathway

  • Authors:
    • Long Dian Zhou
    • Xu Xiong
    • Xin Hua Long
    • Zhi Li Liu
    • Shan Hu Huang
    • Wei Zhang
  • View Affiliations / Copyright

    Affiliations: Department of Orthopedics, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China, Department of Respiratory Medicine, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
  • Pages: 2063-2068
    |
    Published online on: August 20, 2014
       https://doi.org/10.3892/ol.2014.2464
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Abstract

Accumulating evidence has revealed that an elevated expression level of Aurora‑B is associated with metastasis in various types of malignant tumor. However, it is currently unclear whether this molecule is involved in non‑small lung cancer (NSCLC) metastasis, and the molecular mechanisms associated with Aurora‑B and metastasis remain unknown. In the present study, in order to investigate whether Aurora‑B is involved in the development and metastasis of NSCLC, the Aurora‑B protein expression in NSCLC tissues was detected by immunohistochemistry and its association with metastasis was analyzed. The results revealed that the expression levels of the Aurora‑B protein in tissues obtained from NSCLC patients with lymph node metastasis were significantly higher than those without metastatic disease. Furthermore, the effect of Aurora‑B inhibition on A549 cell migration and invasion, as well as the activity of the phosphoinositide 3‑kinase (PI3K)/Akt signaling pathway was evaluated. Aurora‑B was inhibited in the A549 cells using short hairpin RNA, and the cell migration and invasion rates were investigated using wound healing and Transwell invasion assays. In addition, the expression of the main proteins in the PI3K/Akt/nuclear factor‑κB (NF‑κB) signaling pathway, and matrix metalloproteinase (MMP)‑2 and ‑9 were measured by western blot analysis. The results demonstrated that cell migration and invasion were decreased as a result of silencing Aurora‑B. Furthermore, the activity of the PI3K/Akt/NF‑κB signaling pathway and the expression of MMP‑2 and ‑9 protein were suppressed by silencing Aurora‑B. The results of the present study indicate that the knockdown of Aurora‑B suppresses A549 cell invasion and migration via the inhibition of the PI3K/Akt signaling pathway in vitro and thus, targeting Aurora‑B may present a potential treatment strategy for NSCLC.
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Copy and paste a formatted citation
Spandidos Publications style
Zhou LD, Xiong X, Long XH, Liu ZL, Huang SH and Zhang W: RNA interference‑mediated knockdown of Aurora‑B alters the metastatic behavior of A549 cells via modulation of the phosphoinositide 3‑kinase/Akt signaling pathway. Oncol Lett 8: 2063-2068, 2014.
APA
Zhou, L.D., Xiong, X., Long, X.H., Liu, Z.L., Huang, S.H., & Zhang, W. (2014). RNA interference‑mediated knockdown of Aurora‑B alters the metastatic behavior of A549 cells via modulation of the phosphoinositide 3‑kinase/Akt signaling pathway. Oncology Letters, 8, 2063-2068. https://doi.org/10.3892/ol.2014.2464
MLA
Zhou, L. D., Xiong, X., Long, X. H., Liu, Z. L., Huang, S. H., Zhang, W."RNA interference‑mediated knockdown of Aurora‑B alters the metastatic behavior of A549 cells via modulation of the phosphoinositide 3‑kinase/Akt signaling pathway". Oncology Letters 8.5 (2014): 2063-2068.
Chicago
Zhou, L. D., Xiong, X., Long, X. H., Liu, Z. L., Huang, S. H., Zhang, W."RNA interference‑mediated knockdown of Aurora‑B alters the metastatic behavior of A549 cells via modulation of the phosphoinositide 3‑kinase/Akt signaling pathway". Oncology Letters 8, no. 5 (2014): 2063-2068. https://doi.org/10.3892/ol.2014.2464
Copy and paste a formatted citation
x
Spandidos Publications style
Zhou LD, Xiong X, Long XH, Liu ZL, Huang SH and Zhang W: RNA interference‑mediated knockdown of Aurora‑B alters the metastatic behavior of A549 cells via modulation of the phosphoinositide 3‑kinase/Akt signaling pathway. Oncol Lett 8: 2063-2068, 2014.
APA
Zhou, L.D., Xiong, X., Long, X.H., Liu, Z.L., Huang, S.H., & Zhang, W. (2014). RNA interference‑mediated knockdown of Aurora‑B alters the metastatic behavior of A549 cells via modulation of the phosphoinositide 3‑kinase/Akt signaling pathway. Oncology Letters, 8, 2063-2068. https://doi.org/10.3892/ol.2014.2464
MLA
Zhou, L. D., Xiong, X., Long, X. H., Liu, Z. L., Huang, S. H., Zhang, W."RNA interference‑mediated knockdown of Aurora‑B alters the metastatic behavior of A549 cells via modulation of the phosphoinositide 3‑kinase/Akt signaling pathway". Oncology Letters 8.5 (2014): 2063-2068.
Chicago
Zhou, L. D., Xiong, X., Long, X. H., Liu, Z. L., Huang, S. H., Zhang, W."RNA interference‑mediated knockdown of Aurora‑B alters the metastatic behavior of A549 cells via modulation of the phosphoinositide 3‑kinase/Akt signaling pathway". Oncology Letters 8, no. 5 (2014): 2063-2068. https://doi.org/10.3892/ol.2014.2464
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