Clobetasol propionate enhances neural stem cell and oligodendrocyte differentiation

Shi,Wentao; Bi,Shiqi; Dai,Yao; Yang,Kaiyuan; Zhao,Youfa; Zhang,Zhijian

doi:10.3892/etm.2019.7692

Clobetasol propionate enhances neural stem cell and oligodendrocyte differentiation

Authors:
- Wentao Shi
- Shiqi Bi
- Yao Dai
- Kaiyuan Yang
- Youfa Zhao
- Zhijian Zhang
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Affiliations: Department of Orthopedics, Gaochun People's Hospital, Nanjing, Jiangsu 211300, P.R. China, Department of Embryology, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212001, P.R. China
Published online on: June 19, 2019 https://doi.org/10.3892/etm.2019.7692
Pages: 1258-1266
Copyright: © Shi et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

Clobetasol propionate (Clo) is a potent topical glucocorticoid and a potential remyelinating agent that has been approved by the U.S. Food and Drug Administration. However, the effect of Clo on neural stem cells (NSCs) remains largely unknown. The aim of the present study was to investigate the effect of Clo on the differentiation of NSCs in vitro. NSCs were isolated from mouse embryonic brain tissues and expanded in vitro. The effect of Clo on NSC viability was examined using an MTT assay. Differentiating NSCs were treated with 5 or 10 µM Clo, or with DMSO control, and the degree of differentiation was examined following culture in stem cell differentiation induction medium for 7 days. The effect of Clo on NSC differentiation was assessed using immunocytochemistry and western blot analyses. The results revealed that Clo significantly increased NSC viability compared with the DMSO control group. Treatment with Clo also significantly increased the number of NSCs that differentiated into growth associated protein 43 positive neurons and corresponding axon lengths were also significantly increased. In addition, treatment with Clo significantly increased the number of myelin basic protein positive oligodendrocytes and decreased the number of glial fibrillary acidic protein positive astrocytes. Furthermore, inhibition of the sonic hedgehog and AMP‑activated protein kinase signaling pathways inhibited Clo‑induced NSC differentiation, and treatment with Clo upregulated the expression of several neurotrophic factors. In conclusion, the results of the current study suggest that Clo may have a potential therapeutic benefit in neurological disorders affecting oligodendrocytes and neurons.

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