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Article Open Access

MicroRNA‑191 targets CCAAT/enhanced binding protein β and functions as an oncogenic molecule in human non‑small cell lung carcinoma cells

  • Authors:
    • Fuliang Li
    • Jingjing Wen
    • Jinsheng Shi
    • Yun Wang
    • Feifei Yang
    • Chunying Liu
  • View Affiliations / Copyright

    Affiliations: Department of Pathology, Anqiu People's Hospital, Anqiu, Shandong 262100, P.R. China, Department of Pathology, Weifang Yidu Central Hospital, Weifang, Shandong 262500, P.R. China, Department of B‑ultrasound, Anqiu People's Hospital, Anqiu, Shandong 262100, P.R. China
    Copyright: © Li et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 1175-1183
    |
    Published online on: June 13, 2019
       https://doi.org/10.3892/etm.2019.7668
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Abstract

The aberrant expression of microRNAs (miRs) may be involved in tumor growth and progression in human non‑small cell lung carcinoma (NSCLC). The present study aimed to investigate the potential roles of miR‑191 in NSCLC. Western blotting and reverse transcription‑quantitative polymerase chain reaction were performed to assess protein and/or mRNA levels. Scratch wound healing and transwell assays were performed to determine the NSCLC cell migration and invasion. A luciferase demonstrated that CCAAT/enhanced binding protein β (C/EBPβ) was a target of miR‑191. Previously, miR‑191 has been reported to act as an oncogenic player in multiple human cancers. C/EBPβ has been identified as a target gene of miR‑191; however, the roles and underlying mechanisms of miR‑191 associated with the regulation of tumor invasion in NSCLC remain unknown. In the present study, it was demonstrated that miR‑191 expression levels were higher in human NSCLC tumors compared with in normal adjacent tissue and elevated miR‑191 expression levels were closely associated with tumor node metastasis stage in patients with NSCLC. Furthermore, transfection with miR‑191 mimic inhibited C/EBPβ expression at the mRNA and protein levels and promoted A549 cell migration and invasion. C/EBPβ was reported to be the direct target gene of miR‑191 using a dual luciferase reporter assay. Finally, C/EBPβ siRNA can mimic the effects of miR‑191. These findings indicated that miR‑191 may function as an oncogene in NSCLC, at least partially due to its negative regulatory on C/EBPβ.
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Copy and paste a formatted citation
Spandidos Publications style
Li F, Wen J, Shi J, Wang Y, Yang F and Liu C: MicroRNA‑191 targets CCAAT/enhanced binding protein β and functions as an oncogenic molecule in human non‑small cell lung carcinoma cells. Exp Ther Med 18: 1175-1183, 2019.
APA
Li, F., Wen, J., Shi, J., Wang, Y., Yang, F., & Liu, C. (2019). MicroRNA‑191 targets CCAAT/enhanced binding protein β and functions as an oncogenic molecule in human non‑small cell lung carcinoma cells. Experimental and Therapeutic Medicine, 18, 1175-1183. https://doi.org/10.3892/etm.2019.7668
MLA
Li, F., Wen, J., Shi, J., Wang, Y., Yang, F., Liu, C."MicroRNA‑191 targets CCAAT/enhanced binding protein β and functions as an oncogenic molecule in human non‑small cell lung carcinoma cells". Experimental and Therapeutic Medicine 18.2 (2019): 1175-1183.
Chicago
Li, F., Wen, J., Shi, J., Wang, Y., Yang, F., Liu, C."MicroRNA‑191 targets CCAAT/enhanced binding protein β and functions as an oncogenic molecule in human non‑small cell lung carcinoma cells". Experimental and Therapeutic Medicine 18, no. 2 (2019): 1175-1183. https://doi.org/10.3892/etm.2019.7668
Copy and paste a formatted citation
x
Spandidos Publications style
Li F, Wen J, Shi J, Wang Y, Yang F and Liu C: MicroRNA‑191 targets CCAAT/enhanced binding protein β and functions as an oncogenic molecule in human non‑small cell lung carcinoma cells. Exp Ther Med 18: 1175-1183, 2019.
APA
Li, F., Wen, J., Shi, J., Wang, Y., Yang, F., & Liu, C. (2019). MicroRNA‑191 targets CCAAT/enhanced binding protein β and functions as an oncogenic molecule in human non‑small cell lung carcinoma cells. Experimental and Therapeutic Medicine, 18, 1175-1183. https://doi.org/10.3892/etm.2019.7668
MLA
Li, F., Wen, J., Shi, J., Wang, Y., Yang, F., Liu, C."MicroRNA‑191 targets CCAAT/enhanced binding protein β and functions as an oncogenic molecule in human non‑small cell lung carcinoma cells". Experimental and Therapeutic Medicine 18.2 (2019): 1175-1183.
Chicago
Li, F., Wen, J., Shi, J., Wang, Y., Yang, F., Liu, C."MicroRNA‑191 targets CCAAT/enhanced binding protein β and functions as an oncogenic molecule in human non‑small cell lung carcinoma cells". Experimental and Therapeutic Medicine 18, no. 2 (2019): 1175-1183. https://doi.org/10.3892/etm.2019.7668
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