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Article

lncRNA NEAT1 promotes cell proliferation and invasion by regulating miR‑365/RGS20 in oral squamous cell carcinoma

  • Authors:
    • Gang Huang
    • Xin He
    • Xin‑Li Wei
  • View Affiliations / Copyright

    Affiliations: Department of Stomatology, General Hospital of Benxi Iron and Steel Co., Ltd., Benxi, Liaoning 111700, P.R. China, Department of Scientific Research and Medical Education Management, General Hospital of Benxi Iron and Steel Co., Ltd., Benxi, Liaoning 111700, P.R. China
  • Pages: 1948-1956
    |
    Published online on: February 26, 2018
       https://doi.org/10.3892/or.2018.6283
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Abstract

Long non‑coding RNAs (lncRNAs) have emerged as critical regulators of tumor progression. However, the function and mechanism of lncRNA NEAT1 in oral squamous cell carcinoma (OSCC) are unclear. In the present study, NEAT1 was significantly upregulated in OSCC cells and tissues. High expression of NEAT1 was correlated with advanced TNM stage and poor survival of patients. Using bioinformatics prediction and experimental analysis, we determined that NEAT1 could negatively regulate the expression of miR‑365. The expression of miR‑365 was decreased in OSCC tissues and inversely correlated with NEAT1 in tumors. Functionally, knockdown of NEAT1 significantly inhibited cell proliferation and invasion and induced cell cycle arrest at the G0/G1 phase and apoptosis, whereas inhibition of miR‑365 abolished the suppressive effect of NEAT1 knockdown on cellular processes. RGS20, a direct target of miR‑365, could reverse the tumor suppressive role of miR‑365 mimic by enhancing cell viability and motility. Moreover, the protein levels of RGS20, cyclin D1, E‑cadherin, N‑cadherin and vimentin could be regulated by the NEAT1/miR‑365 axis. NEAT1 silencing also inhibited tumor growth in vivo. Collectively, we revealed that the NEAT1/miR‑365/RGS20 axis may be a novel mechanism or therapeutic strategy for OSCC treatment.
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Copy and paste a formatted citation
Spandidos Publications style
Huang G, He X and Wei XL: lncRNA NEAT1 promotes cell proliferation and invasion by regulating miR‑365/RGS20 in oral squamous cell carcinoma. Oncol Rep 39: 1948-1956, 2018.
APA
Huang, G., He, X., & Wei, X. (2018). lncRNA NEAT1 promotes cell proliferation and invasion by regulating miR‑365/RGS20 in oral squamous cell carcinoma. Oncology Reports, 39, 1948-1956. https://doi.org/10.3892/or.2018.6283
MLA
Huang, G., He, X., Wei, X."lncRNA NEAT1 promotes cell proliferation and invasion by regulating miR‑365/RGS20 in oral squamous cell carcinoma". Oncology Reports 39.4 (2018): 1948-1956.
Chicago
Huang, G., He, X., Wei, X."lncRNA NEAT1 promotes cell proliferation and invasion by regulating miR‑365/RGS20 in oral squamous cell carcinoma". Oncology Reports 39, no. 4 (2018): 1948-1956. https://doi.org/10.3892/or.2018.6283
Copy and paste a formatted citation
x
Spandidos Publications style
Huang G, He X and Wei XL: lncRNA NEAT1 promotes cell proliferation and invasion by regulating miR‑365/RGS20 in oral squamous cell carcinoma. Oncol Rep 39: 1948-1956, 2018.
APA
Huang, G., He, X., & Wei, X. (2018). lncRNA NEAT1 promotes cell proliferation and invasion by regulating miR‑365/RGS20 in oral squamous cell carcinoma. Oncology Reports, 39, 1948-1956. https://doi.org/10.3892/or.2018.6283
MLA
Huang, G., He, X., Wei, X."lncRNA NEAT1 promotes cell proliferation and invasion by regulating miR‑365/RGS20 in oral squamous cell carcinoma". Oncology Reports 39.4 (2018): 1948-1956.
Chicago
Huang, G., He, X., Wei, X."lncRNA NEAT1 promotes cell proliferation and invasion by regulating miR‑365/RGS20 in oral squamous cell carcinoma". Oncology Reports 39, no. 4 (2018): 1948-1956. https://doi.org/10.3892/or.2018.6283
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