Ginsenoside metabolite 20(S)‑protopanaxadiol promotes neural stem cell transition from a state of proliferation to differentiation by inducing autophagy and cell cycle arrest

Chen,Shali; He,Ji; Qin,Xiyuan; Luo,Tiao; Pandey,Aparna; Li,Jijia; Liu,Suyou; Luo,Junli; Wang,Qi; Luo,Zhiyong

doi:10.3892/mmr.2020.11081

July-2020 Volume 22 Issue 1

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July-2020 Volume 22 Issue 1

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Ginsenoside metabolite 20(S)‑protopanaxadiol promotes neural stem cell transition from a state of proliferation to differentiation by inducing autophagy and cell cycle arrest

Authors:
- Shali Chen
- Ji He
- Xiyuan Qin
- Tiao Luo
- Aparna Pandey
- Jijia Li
- Suyou Liu
- Junli Luo
- Qi Wang
- Zhiyong Luo
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Affiliations: Department of Laboratory Medicine, Heping Hospital Affiliated to Changzhi Medical College, Changzhi, Shanxi 046000, P.R. China, Department of Biochemistry and Molecular Biology, School of Life Sciences, Central South University, Changsha, Hunan 410078, P.R. China, Xiangya School of Stomatology, Central South University, Changsha, Hunan 410078, P.R. China, Department of Pathogen Biology and Immunology, Guangdong Pharmaceutical University, Guangzhou, Guangdong 510008, P.R. China

Copyright: © Chen et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
Pages: 353-361
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Published online on: April 21, 2020

https://doi.org/10.3892/mmr.2020.11081
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Abstract

20(S)‑Protopanaxadiol (PPD) is an active ginseng metabolite and is the final form of protopanaxadiol saponins metabolized by human intestinal microflora. The neuroprotective effects and mechanisms underlying PPD on neural stem cells (NSCs) are not completely understood. The aim of the present study was to assess the effects of PPD on the proliferation and differentiation of neural stem cells. In the present study, following treatment with different concentrations of PPD for 24 h, the percentage of BrdU‑positive cells decreased significantly with increasing concentrations of PPD. Moreover, flow cytometric analysis results indicated that PPD treatment increased the proportion of cells in the G0/G1 and G2/M phase and decreased the proportion of cells in the S phase. The activation of autophagy, determined by an increased number of autophagic vacuoles and light chain 3 lipidation, was associated with an increase in the expression of the neuronal marker tubulin‑β3 following PPD treatment. PPD also partially rescued NSCs from the inhibitory effects of the autophagic inhibitor wortmannin, suggesting that the effect of PPD on NSC differentiation was associated with autophagy. Collectively, the results indicated that PPD promoted the transition of NSCs from a state of proliferation to differentiation through the induction of autophagy and cell cycle arrest. Therefore, the present study may provide a basis for the development of regenerative therapies based on ginsenoside, an approved and safe drug.

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Journals

International Journal of Molecular Medicine

International Journal of Oncology

Molecular Medicine Reports

Oncology Reports

Experimental and Therapeutic Medicine

Oncology Letters

Biomedical Reports

Molecular and Clinical Oncology

World Academy of Sciences Journal

International Journal of Functional Nutrition

International Journal of Epigenetics

Medicine International

Ginsenoside metabolite 20(S)‑protopanaxadiol promotes neural stem cell transition from a state of proliferation to differentiation by inducing autophagy and cell cycle arrest

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