Repetitive magnetic stimulation promotes the proliferation of neural progenitor cells via modulating the expression of miR-106b

  • Authors:
    • Hua Liu
    • Gaohua Li
    • Chunlian Ma
    • Yanfang Chen
    • Jinju Wang
    • Yi Yang
  • View Affiliations

  • Published online on: October 9, 2018     https://doi.org/10.3892/ijmm.2018.3922
  • Pages: 3631-3639
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Abstract

Increasing evidence shows that repetitive transcranial magnetic stimulation (rTMS) promotes neurogenesis and the expression of microRNA (miR)‑106b. The present study investigated whether rTMS promotes the proliferation of neural progenitor cells (NPCs) and whether the effect is associated with the expression of miR‑106b. NPCs were cultured from the rat hippocampus and exposed to rTMS daily, comprising 1,000 stimuli for 3 days at 10 Hz, with 1.75 T output. The proliferation ability of the NPCs was revealed by EdU staining, and the levels of miR‑106b and downstream gene p21 in the NPCs were measured by reverse transcription‑quantitative polymerase chain reaction and western blot analyses. For analysis of the mechanism, the NPCs were transfected with Lenti‑miR‑106b or small interfering RNAs prior to rTMS. The results showed that: i) rTMS increased NPC proliferation, as revealed by the increased proportion of EdU‑positive cells; ii) rTMS was able to upregulate the expression of miR‑106b and downregulate the level of p21 in NPCs; iii) overexpression of miR‑106b further enhanced the effects of rTMS, whereas knockdown of miR‑106b had the opposite effects. Taken together, these data indicated that rTMS can promote NPC proliferation by upregulating the expression of miR‑106b and possibly inhibiting the expression of p21.
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December-2018
Volume 42 Issue 6

Print ISSN: 1107-3756
Online ISSN:1791-244X

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Spandidos Publications style
Liu H, Li G, Ma C, Chen Y, Wang J and Yang Y: Repetitive magnetic stimulation promotes the proliferation of neural progenitor cells via modulating the expression of miR-106b. Int J Mol Med 42: 3631-3639, 2018
APA
Liu, H., Li, G., Ma, C., Chen, Y., Wang, J., & Yang, Y. (2018). Repetitive magnetic stimulation promotes the proliferation of neural progenitor cells via modulating the expression of miR-106b. International Journal of Molecular Medicine, 42, 3631-3639. https://doi.org/10.3892/ijmm.2018.3922
MLA
Liu, H., Li, G., Ma, C., Chen, Y., Wang, J., Yang, Y."Repetitive magnetic stimulation promotes the proliferation of neural progenitor cells via modulating the expression of miR-106b". International Journal of Molecular Medicine 42.6 (2018): 3631-3639.
Chicago
Liu, H., Li, G., Ma, C., Chen, Y., Wang, J., Yang, Y."Repetitive magnetic stimulation promotes the proliferation of neural progenitor cells via modulating the expression of miR-106b". International Journal of Molecular Medicine 42, no. 6 (2018): 3631-3639. https://doi.org/10.3892/ijmm.2018.3922