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MicroRNA-29b inhibits human vascular smooth muscle cell proliferation via targeting the TGF-β/Smad3 signaling pathway

  • Authors:
    • Lirong Li
    • Shaohua Ren
    • Xudong Hao
    • Zigang Zhen
    • Lei Ji
    • Hongming Ji
  • View Affiliations / Copyright

    Affiliations: Department of Neurosurgery of Shanxi Provincial People's Hospital, Taiyuan, Shanxi 030012, P.R. China
    Copyright: © Li et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Article Number: 492
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    Published online on: March 17, 2021
       https://doi.org/10.3892/etm.2021.9923
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Abstract

Intracranial aneurysms (IAs) are bulges of blood vessels in the cerebral area. The development and progression of IAs are associated with the proliferation of vascular smooth muscle cells (VSMCs) during phenotypic modulation under environmental cues. MicroRNA-29b (miR-29b) has been studied extensively and demonstrated to reduce cell proliferation in various diseases by binding to the 3'-untranslated region (3'-UTR) of a variety of target messenger RNAs (mRNAs), thereby inhibiting their translation. The present study aimed to investigate the role of miR-29b on the proliferation of VSMCs and human umbilical artery smooth muscle cells. The results indicated that the overexpression of miR-29b reduced cell migration and proliferation. Western blotting results indicated that this effect may be attributed to the attenuation of a signaling pathway involving transforming growth factor β (TGF-β) and Smad3 proteins. Luciferase assay confirmed the binding of miR-29b to TGF-β1 and the knockdown of TGF-β1 reduced miR-29b inhibitor-induced cell migration. The present study indicates that miR-29b downregulates the expression of TGF-β1 by targeting the 3'-UTR of its mRNA and modulates cell migration and proliferation via the TGF-β1/Smad3 signaling pathway.
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Copy and paste a formatted citation
Spandidos Publications style
Li L, Ren S, Hao X, Zhen Z, Ji L and Ji H: MicroRNA-29b inhibits human vascular smooth muscle cell proliferation via targeting the TGF-β/Smad3 signaling pathway. Exp Ther Med 21: 492, 2021.
APA
Li, L., Ren, S., Hao, X., Zhen, Z., Ji, L., & Ji, H. (2021). MicroRNA-29b inhibits human vascular smooth muscle cell proliferation via targeting the TGF-β/Smad3 signaling pathway. Experimental and Therapeutic Medicine, 21, 492. https://doi.org/10.3892/etm.2021.9923
MLA
Li, L., Ren, S., Hao, X., Zhen, Z., Ji, L., Ji, H."MicroRNA-29b inhibits human vascular smooth muscle cell proliferation via targeting the TGF-β/Smad3 signaling pathway". Experimental and Therapeutic Medicine 21.5 (2021): 492.
Chicago
Li, L., Ren, S., Hao, X., Zhen, Z., Ji, L., Ji, H."MicroRNA-29b inhibits human vascular smooth muscle cell proliferation via targeting the TGF-β/Smad3 signaling pathway". Experimental and Therapeutic Medicine 21, no. 5 (2021): 492. https://doi.org/10.3892/etm.2021.9923
Copy and paste a formatted citation
x
Spandidos Publications style
Li L, Ren S, Hao X, Zhen Z, Ji L and Ji H: MicroRNA-29b inhibits human vascular smooth muscle cell proliferation via targeting the TGF-β/Smad3 signaling pathway. Exp Ther Med 21: 492, 2021.
APA
Li, L., Ren, S., Hao, X., Zhen, Z., Ji, L., & Ji, H. (2021). MicroRNA-29b inhibits human vascular smooth muscle cell proliferation via targeting the TGF-β/Smad3 signaling pathway. Experimental and Therapeutic Medicine, 21, 492. https://doi.org/10.3892/etm.2021.9923
MLA
Li, L., Ren, S., Hao, X., Zhen, Z., Ji, L., Ji, H."MicroRNA-29b inhibits human vascular smooth muscle cell proliferation via targeting the TGF-β/Smad3 signaling pathway". Experimental and Therapeutic Medicine 21.5 (2021): 492.
Chicago
Li, L., Ren, S., Hao, X., Zhen, Z., Ji, L., Ji, H."MicroRNA-29b inhibits human vascular smooth muscle cell proliferation via targeting the TGF-β/Smad3 signaling pathway". Experimental and Therapeutic Medicine 21, no. 5 (2021): 492. https://doi.org/10.3892/etm.2021.9923
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