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Article Open Access

Upregulated microRNA‑671‑3p promotes tumor progression by suppressing forkhead box P2 expression in non‑small‑cell lung cancer

  • Authors:
    • Zhi‑Ying Li
    • Zi‑Zhou Zhang
    • Hui Bi
    • Qiu‑Di Zhang
    • Su‑Juan Zhang
    • Lin Zhou
    • Xiao‑Qin Zhu
    • Jun Zhou
  • View Affiliations / Copyright

    Affiliations: Department of Respiratory Medicine, The First People's Hospital of Changzhou, Changzhou, Jiangsu 213000, P.R. China, Department of Respiratory Medicine, The Seventh People's Hospital of Changzhou, Changzhou, Jiangsu 213011, P.R. China
    Copyright: © Li et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 3149-3159
    |
    Published online on: August 6, 2019
       https://doi.org/10.3892/mmr.2019.10563
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Abstract

In the present study, the expression of microRNA (miR)‑671‑3p in non‑small‑cell lung cancer (NSCLC) was detected via reverse transcription‑quantitative polymerase chain reaction analysis, and its role in cell proliferation, apoptosis, migration and invasion was investigated via Cell Counting Kit‑8, colony formation, flow cytometry, Transwell and scratch assays, respectively. It was observed that the expression of miR‑671‑3p was upregulated in NSCLC tissues and cell lines (A549 and H1975). Treatment with miR‑671‑3p inhibitors suppressed cell proliferation, migration and invasion, and increased apoptosis in vitro, suggesting that miR‑671‑3p functions as an oncogene in NSCLC. In addition, forkhead box P2 (FOXP2) has been reported to be a tumor suppressor that is downregulated in several types of cancer, and its low expression was confirmed in NSCLC tissues and cell lines in the current study via western blotting. The results of the luciferase reporter assay also demonstrated that miR‑671‑3p targeted directly the 3'‑untranslated region of FOXP2. Furthermore, overexpression of FOXP2 in A549 and H1975 cell lines suppressed the growth, migration and invasion, and promoted apoptosis, whereas these effects were reversed by transfection with miR‑671‑3p mimics, suggesting that miR‑671‑3p promoted tumor progression via regulating FOXP2. Taken together, the results reported in the present study implied that miR‑671‑3p may be a potential therapeutic target in NSCLC.
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Copy and paste a formatted citation
Spandidos Publications style
Li ZY, Zhang ZZ, Bi H, Zhang QD, Zhang SJ, Zhou L, Zhu XQ and Zhou J: Upregulated microRNA‑671‑3p promotes tumor progression by suppressing forkhead box P2 expression in non‑small‑cell lung cancer. Mol Med Rep 20: 3149-3159, 2019.
APA
Li, Z., Zhang, Z., Bi, H., Zhang, Q., Zhang, S., Zhou, L. ... Zhou, J. (2019). Upregulated microRNA‑671‑3p promotes tumor progression by suppressing forkhead box P2 expression in non‑small‑cell lung cancer. Molecular Medicine Reports, 20, 3149-3159. https://doi.org/10.3892/mmr.2019.10563
MLA
Li, Z., Zhang, Z., Bi, H., Zhang, Q., Zhang, S., Zhou, L., Zhu, X., Zhou, J."Upregulated microRNA‑671‑3p promotes tumor progression by suppressing forkhead box P2 expression in non‑small‑cell lung cancer". Molecular Medicine Reports 20.4 (2019): 3149-3159.
Chicago
Li, Z., Zhang, Z., Bi, H., Zhang, Q., Zhang, S., Zhou, L., Zhu, X., Zhou, J."Upregulated microRNA‑671‑3p promotes tumor progression by suppressing forkhead box P2 expression in non‑small‑cell lung cancer". Molecular Medicine Reports 20, no. 4 (2019): 3149-3159. https://doi.org/10.3892/mmr.2019.10563
Copy and paste a formatted citation
x
Spandidos Publications style
Li ZY, Zhang ZZ, Bi H, Zhang QD, Zhang SJ, Zhou L, Zhu XQ and Zhou J: Upregulated microRNA‑671‑3p promotes tumor progression by suppressing forkhead box P2 expression in non‑small‑cell lung cancer. Mol Med Rep 20: 3149-3159, 2019.
APA
Li, Z., Zhang, Z., Bi, H., Zhang, Q., Zhang, S., Zhou, L. ... Zhou, J. (2019). Upregulated microRNA‑671‑3p promotes tumor progression by suppressing forkhead box P2 expression in non‑small‑cell lung cancer. Molecular Medicine Reports, 20, 3149-3159. https://doi.org/10.3892/mmr.2019.10563
MLA
Li, Z., Zhang, Z., Bi, H., Zhang, Q., Zhang, S., Zhou, L., Zhu, X., Zhou, J."Upregulated microRNA‑671‑3p promotes tumor progression by suppressing forkhead box P2 expression in non‑small‑cell lung cancer". Molecular Medicine Reports 20.4 (2019): 3149-3159.
Chicago
Li, Z., Zhang, Z., Bi, H., Zhang, Q., Zhang, S., Zhou, L., Zhu, X., Zhou, J."Upregulated microRNA‑671‑3p promotes tumor progression by suppressing forkhead box P2 expression in non‑small‑cell lung cancer". Molecular Medicine Reports 20, no. 4 (2019): 3149-3159. https://doi.org/10.3892/mmr.2019.10563
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