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Article

Overexpression of the long noncoding RNA CCAT1 promotes metastasis via epithelial‑to‑mesenchymal transition in lung adenocarcinoma

  • Authors:
    • Heping Lin
    • Wei Cheng
    • Hanhan Yan
    • Xiaodiao Zhang
  • View Affiliations / Copyright

    Affiliations: Department of Respiratory Medicine, The Third Affiliated Hospital of Wenzhou Medical University, Rui'an, Wenzhou, Zhejiang 325200, P.R. China
  • Pages: 1809-1814
    |
    Published online on: May 25, 2018
       https://doi.org/10.3892/ol.2018.8813
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Abstract

The long noncoding RNA (lncRNA) colon cancer‑associated transcript 1 (CCAT1) has been identified as an oncogene in multiple types of human malignancy, and the aberrant expression of CCAT1 has been associated with the tumorigenesis and progression of cancer. However, the underlying mechanism of how CCAT1 affects malignant behaviors in lung adenocarcinoma cells remains unknown. In the current study, the expression of CCAT1 was identified to be increased in lung adenocarcinoma tissues (n=96) by reverse transcription‑quantitative polymerase chain reaction (RT‑qPCR), and its expression level was associated with epidermal growth factor receptor (EGFR) expression (P=0.011), lymphatic metastasis (P=0.003) and tumor node metastasis (TNM) stage (P=0.003). In vitro, by using Transwell assays, the overexpression of CCAT1 was demonstrated to promote the migration and invasion of H358 lung adenocarcinoma cells; while downregulation of CCAT1 expression inhibited H1650 cell migration and invasion. Furthermore, western blot analysis indicated that aberrant CCAT1 expression may induce epithelial‑to‑mesenchymal transition (EMT) by regulating the expression levels of EMT markers (E‑cadherin, N‑cadherin and vimentin). In conclusion, these results indicate that CCAT1 is able to promote the metastasis of lung adenocarcinoma cells by inducing EMT.
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Copy and paste a formatted citation
Spandidos Publications style
Lin H, Cheng W, Yan H and Zhang X: Overexpression of the long noncoding RNA CCAT1 promotes metastasis via epithelial‑to‑mesenchymal transition in lung adenocarcinoma. Oncol Lett 16: 1809-1814, 2018.
APA
Lin, H., Cheng, W., Yan, H., & Zhang, X. (2018). Overexpression of the long noncoding RNA CCAT1 promotes metastasis via epithelial‑to‑mesenchymal transition in lung adenocarcinoma. Oncology Letters, 16, 1809-1814. https://doi.org/10.3892/ol.2018.8813
MLA
Lin, H., Cheng, W., Yan, H., Zhang, X."Overexpression of the long noncoding RNA CCAT1 promotes metastasis via epithelial‑to‑mesenchymal transition in lung adenocarcinoma". Oncology Letters 16.2 (2018): 1809-1814.
Chicago
Lin, H., Cheng, W., Yan, H., Zhang, X."Overexpression of the long noncoding RNA CCAT1 promotes metastasis via epithelial‑to‑mesenchymal transition in lung adenocarcinoma". Oncology Letters 16, no. 2 (2018): 1809-1814. https://doi.org/10.3892/ol.2018.8813
Copy and paste a formatted citation
x
Spandidos Publications style
Lin H, Cheng W, Yan H and Zhang X: Overexpression of the long noncoding RNA CCAT1 promotes metastasis via epithelial‑to‑mesenchymal transition in lung adenocarcinoma. Oncol Lett 16: 1809-1814, 2018.
APA
Lin, H., Cheng, W., Yan, H., & Zhang, X. (2018). Overexpression of the long noncoding RNA CCAT1 promotes metastasis via epithelial‑to‑mesenchymal transition in lung adenocarcinoma. Oncology Letters, 16, 1809-1814. https://doi.org/10.3892/ol.2018.8813
MLA
Lin, H., Cheng, W., Yan, H., Zhang, X."Overexpression of the long noncoding RNA CCAT1 promotes metastasis via epithelial‑to‑mesenchymal transition in lung adenocarcinoma". Oncology Letters 16.2 (2018): 1809-1814.
Chicago
Lin, H., Cheng, W., Yan, H., Zhang, X."Overexpression of the long noncoding RNA CCAT1 promotes metastasis via epithelial‑to‑mesenchymal transition in lung adenocarcinoma". Oncology Letters 16, no. 2 (2018): 1809-1814. https://doi.org/10.3892/ol.2018.8813
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