Electrical stimulation accelerates neurite regeneration in axotomized dorsal root ganglion neurons by increasing MMP-2 expression

Sungmin Han; Dong Hwee Kim; Joohwan Sung; Hwasun Yang; Jong Woong Park; Inchan Youn

doi:10.1016/j.bbrc.2018.11.159

Electrical stimulation accelerates neurite regeneration in axotomized dorsal root ganglion neurons by increasing MMP-2 expression

Sungmin Han, Dong Hwee Kim, Joohwan Sung, Hwasun Yang, Jong Woong Park, Inchan Youn

Research output: Contribution to journal › Article

1 Citation (Scopus)

Abstract

Electrical stimulation (ES) can be useful for promoting the regeneration of injured axons, but the mechanism underlying its positive effects is largely unknown. The current study aimed to investigate whether ES could enhance the regeneration of injured neurites in dorsal root ganglion explants and regulate the MMP-2 expression level, which is correlated with regeneration. Significantly increased neurite regeneration and MMP-2 expression was observed in the ES group compared with the sham group. However, an MMP inhibitor significantly decreased this ES-induced neurite regeneration. Our data suggest that the positive effect of ES on neurite regeneration could likely be mediated by an increase in MMP-2 expression, thereby promoting the regeneration of injured neurites.

Original language	English
Journal	Biochemical and Biophysical Research Communications
DOIs	https://doi.org/10.1016/j.bbrc.2018.11.159
Publication status	Accepted/In press - 2018 Jan 1

Keywords

Dorsal root ganglion
Electrical stimulation
Matrix metalloproteinase
Neurite regeneration

ASJC Scopus subject areas

Biophysics
Biochemistry
Molecular Biology
Cell Biology

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title = "Electrical stimulation accelerates neurite regeneration in axotomized dorsal root ganglion neurons by increasing MMP-2 expression",

abstract = "Electrical stimulation (ES) can be useful for promoting the regeneration of injured axons, but the mechanism underlying its positive effects is largely unknown. The current study aimed to investigate whether ES could enhance the regeneration of injured neurites in dorsal root ganglion explants and regulate the MMP-2 expression level, which is correlated with regeneration. Significantly increased neurite regeneration and MMP-2 expression was observed in the ES group compared with the sham group. However, an MMP inhibitor significantly decreased this ES-induced neurite regeneration. Our data suggest that the positive effect of ES on neurite regeneration could likely be mediated by an increase in MMP-2 expression, thereby promoting the regeneration of injured neurites.",

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AU - Han, Sungmin

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AU - Yang, Hwasun

AU - Park, Jong Woong

AU - Youn, Inchan

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AB - Electrical stimulation (ES) can be useful for promoting the regeneration of injured axons, but the mechanism underlying its positive effects is largely unknown. The current study aimed to investigate whether ES could enhance the regeneration of injured neurites in dorsal root ganglion explants and regulate the MMP-2 expression level, which is correlated with regeneration. Significantly increased neurite regeneration and MMP-2 expression was observed in the ES group compared with the sham group. However, an MMP inhibitor significantly decreased this ES-induced neurite regeneration. Our data suggest that the positive effect of ES on neurite regeneration could likely be mediated by an increase in MMP-2 expression, thereby promoting the regeneration of injured neurites.

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KW - Matrix metalloproteinase

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