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Long non‑coding RNA OECC promotes cell proliferation and metastasis through the PI3K/Akt/mTOR signaling pathway in human lung cancer

  • Authors:
    • Yimin Zou
    • Bin Zhang
    • Yanxiong Mao
    • Hao Zhang
    • Wei Hong
  • View Affiliations / Copyright

    Affiliations: Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, P.R. China, Guangzhou Medical University‑Guangzhou Institute of Biomedicine and Health Joint School of Life Sciences, Guangzhou Medical University, Guangzhou, Guangdong 510030, P.R. China
    Copyright: © Zou et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 3017-3024
    |
    Published online on: July 22, 2019
       https://doi.org/10.3892/ol.2019.10644
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Abstract

Lung cancer is one of the most common malignancies worldwide; however, its detailed molecular mechanism remains largely unknown. Long non‑coding RNAs (lncRNAs) have been identified to serve critical roles in tumorigenesis. The aim of the present study was to investigate the role of a newly identified lncRNA, overexpressed in colorectal cancer (OECC), in human lung cancer. It was initially revealed that the relative transcript level of OECC was highly upregulated in clinical human lung cancer tissues as well as in cultured lung cancer cells. Knockdown of OECC with specific short hairpin RNAs in lung cancer cell lines A549 and 95D inhibited colony formation and cell viability, as evidenced using colony formation assays and cell proliferation assays. Furthermore, depletion of OECC in A549 and 95D cells suppressed migration and invasion, which was verified using Transwell assays. RNA‑sequence analysis suggested that the phosphoinositide 3‑kinase/protein kinase B (Akt)/mammalian target of rapamycin signaling pathway was positively regulated by OECC in lung cancer cells A549. In addition, overexpression of Akt in OECC‑depleted A549 and 95D cells reversed the suppression of proliferation and migration caused by OECC depletion. The results of the present study identified lncRNA OECC as a novel regulator of lung cancer progression and provided new clues for the clinical treatment of lung cancer.
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Copy and paste a formatted citation
Spandidos Publications style
Zou Y, Zhang B, Mao Y, Zhang H and Hong W: Long non‑coding RNA OECC promotes cell proliferation and metastasis through the PI3K/Akt/mTOR signaling pathway in human lung cancer. Oncol Lett 18: 3017-3024, 2019.
APA
Zou, Y., Zhang, B., Mao, Y., Zhang, H., & Hong, W. (2019). Long non‑coding RNA OECC promotes cell proliferation and metastasis through the PI3K/Akt/mTOR signaling pathway in human lung cancer. Oncology Letters, 18, 3017-3024. https://doi.org/10.3892/ol.2019.10644
MLA
Zou, Y., Zhang, B., Mao, Y., Zhang, H., Hong, W."Long non‑coding RNA OECC promotes cell proliferation and metastasis through the PI3K/Akt/mTOR signaling pathway in human lung cancer". Oncology Letters 18.3 (2019): 3017-3024.
Chicago
Zou, Y., Zhang, B., Mao, Y., Zhang, H., Hong, W."Long non‑coding RNA OECC promotes cell proliferation and metastasis through the PI3K/Akt/mTOR signaling pathway in human lung cancer". Oncology Letters 18, no. 3 (2019): 3017-3024. https://doi.org/10.3892/ol.2019.10644
Copy and paste a formatted citation
x
Spandidos Publications style
Zou Y, Zhang B, Mao Y, Zhang H and Hong W: Long non‑coding RNA OECC promotes cell proliferation and metastasis through the PI3K/Akt/mTOR signaling pathway in human lung cancer. Oncol Lett 18: 3017-3024, 2019.
APA
Zou, Y., Zhang, B., Mao, Y., Zhang, H., & Hong, W. (2019). Long non‑coding RNA OECC promotes cell proliferation and metastasis through the PI3K/Akt/mTOR signaling pathway in human lung cancer. Oncology Letters, 18, 3017-3024. https://doi.org/10.3892/ol.2019.10644
MLA
Zou, Y., Zhang, B., Mao, Y., Zhang, H., Hong, W."Long non‑coding RNA OECC promotes cell proliferation and metastasis through the PI3K/Akt/mTOR signaling pathway in human lung cancer". Oncology Letters 18.3 (2019): 3017-3024.
Chicago
Zou, Y., Zhang, B., Mao, Y., Zhang, H., Hong, W."Long non‑coding RNA OECC promotes cell proliferation and metastasis through the PI3K/Akt/mTOR signaling pathway in human lung cancer". Oncology Letters 18, no. 3 (2019): 3017-3024. https://doi.org/10.3892/ol.2019.10644
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