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Article

MicroRNA-146a expression inhibits the proliferation and promotes the apoptosis of bronchial smooth muscle cells in asthma by directly targeting the epidermal growth factor receptor

  • Authors:
    • Yanxia Zhang
    • Yan Xue
    • Yan Liu
    • Guodong Song
    • Guofeng Lv
    • Yongqiang Wang
    • Yijiang Wang
    • Xiang Li
    • Leiying Yang
  • View Affiliations / Copyright

    Affiliations: Department of Pediatrics, Maternal and Child Healthcare Hospital, Laiwu, Shandong 271100, P.R. China, Department of Pediatrics, General Hospital of Yanzhou Mining Bureau, Jining, Shandong 272100, P.R. China, Department of Pediatrics, Zoucheng People's Hospital, Zoucheng, Shandong 273500, P.R. China, Department of Pediatrics, Dezhou People's Hospital, Dezhou, Shandong 253000, P.R. China, Department of Pathology, Taishan Medical College, Taian, Shandong 271016, P.R. China
  • Pages: 854-858
    |
    Published online on: June 6, 2016
       https://doi.org/10.3892/etm.2016.3427
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Abstract

The present study aimed to determine the expression of microRNA-146a (miR-146a) in the plasma of children with asthma, and to investigate the effect of miR‑146a on the proliferation and apoptosis of bronchial smooth muscle cells (BSMCs). Reverse transcription‑quantitative polymerase chain reaction was used to determine the expression levels of miR‑146a mimics and its inhibitor. A Cell Counting kit‑8 assay was performed to examine the proliferation of BSMCs. Caspase‑3/7 activity was determined using a Caspase‑Glo 3/7 kit. To measure the expression levels of proteins associated with apoptosis, western blotting was performed. The target gene of miR‑146a was identified using a dual‑luciferase reporter assay. The plasma levels of miR‑146a in children with asthma were significantly higher compared with those in healthy children. Enhanced miR‑146a expression inhibited the proliferation of BSMCs. BSMC apoptosis was promoted by miR‑146a. The mechanism underlying the miR‑146a‑induced promotion of BSMC apoptosis may be its direct targeting of epidermal growth factor receptor (EGFR), which affects downstream signaling pathways. In conclusion, miR‑146a expression in asthma inhibits the proliferation and promotes the apoptosis of BSMCs by direct targeting of EGFR.
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Copy and paste a formatted citation
Spandidos Publications style
Zhang Y, Xue Y, Liu Y, Song G, Lv G, Wang Y, Wang Y, Li X and Yang L: MicroRNA-146a expression inhibits the proliferation and promotes the apoptosis of bronchial smooth muscle cells in asthma by directly targeting the epidermal growth factor receptor. Exp Ther Med 12: 854-858, 2016.
APA
Zhang, Y., Xue, Y., Liu, Y., Song, G., Lv, G., Wang, Y. ... Yang, L. (2016). MicroRNA-146a expression inhibits the proliferation and promotes the apoptosis of bronchial smooth muscle cells in asthma by directly targeting the epidermal growth factor receptor. Experimental and Therapeutic Medicine, 12, 854-858. https://doi.org/10.3892/etm.2016.3427
MLA
Zhang, Y., Xue, Y., Liu, Y., Song, G., Lv, G., Wang, Y., Wang, Y., Li, X., Yang, L."MicroRNA-146a expression inhibits the proliferation and promotes the apoptosis of bronchial smooth muscle cells in asthma by directly targeting the epidermal growth factor receptor". Experimental and Therapeutic Medicine 12.2 (2016): 854-858.
Chicago
Zhang, Y., Xue, Y., Liu, Y., Song, G., Lv, G., Wang, Y., Wang, Y., Li, X., Yang, L."MicroRNA-146a expression inhibits the proliferation and promotes the apoptosis of bronchial smooth muscle cells in asthma by directly targeting the epidermal growth factor receptor". Experimental and Therapeutic Medicine 12, no. 2 (2016): 854-858. https://doi.org/10.3892/etm.2016.3427
Copy and paste a formatted citation
x
Spandidos Publications style
Zhang Y, Xue Y, Liu Y, Song G, Lv G, Wang Y, Wang Y, Li X and Yang L: MicroRNA-146a expression inhibits the proliferation and promotes the apoptosis of bronchial smooth muscle cells in asthma by directly targeting the epidermal growth factor receptor. Exp Ther Med 12: 854-858, 2016.
APA
Zhang, Y., Xue, Y., Liu, Y., Song, G., Lv, G., Wang, Y. ... Yang, L. (2016). MicroRNA-146a expression inhibits the proliferation and promotes the apoptosis of bronchial smooth muscle cells in asthma by directly targeting the epidermal growth factor receptor. Experimental and Therapeutic Medicine, 12, 854-858. https://doi.org/10.3892/etm.2016.3427
MLA
Zhang, Y., Xue, Y., Liu, Y., Song, G., Lv, G., Wang, Y., Wang, Y., Li, X., Yang, L."MicroRNA-146a expression inhibits the proliferation and promotes the apoptosis of bronchial smooth muscle cells in asthma by directly targeting the epidermal growth factor receptor". Experimental and Therapeutic Medicine 12.2 (2016): 854-858.
Chicago
Zhang, Y., Xue, Y., Liu, Y., Song, G., Lv, G., Wang, Y., Wang, Y., Li, X., Yang, L."MicroRNA-146a expression inhibits the proliferation and promotes the apoptosis of bronchial smooth muscle cells in asthma by directly targeting the epidermal growth factor receptor". Experimental and Therapeutic Medicine 12, no. 2 (2016): 854-858. https://doi.org/10.3892/etm.2016.3427
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