A Critical Regulation of Th17 Cell Responses and Autoimmune Neuro-Inflammation by Ginsenoside Rg3

Park, Young-Jun; Cho, Minkyoung; Choi, Garam; Na, Hyeongjin; Chung, Yeonseok

doi:10.3390/biom10010122

Open AccessArticle

A Critical Regulation of Th17 Cell Responses and Autoimmune Neuro-Inflammation by Ginsenoside Rg3

by

Young-Jun Park

^1,†,

Minkyoung Cho

^1,*,†,

Garam Choi

^1,2,

Hyeongjin Na

^1,2 and

Yeonseok Chung

^1,2,*

¹

Laboratory of Immune Regulation, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Korea

²

Brain Korea 21 Program, College of Pharmacy, Seoul National University, Seoul 08826, Korea

^*

Authors to whom correspondence should be addressed.

^†

These authors contributed equally to this work.

Biomolecules 2020, 10(1), 122; https://doi.org/10.3390/biom10010122

Submission received: 6 December 2019 / Revised: 30 December 2019 / Accepted: 7 January 2020 / Published: 10 January 2020

(This article belongs to the Special Issue Advances in Ginsenosides)

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Abstract

Among diverse helper T-cell subsets, Th17 cells appear to be pathogenic in diverse autoimmune diseases, and thus, targeting Th17 cells could be beneficial for the treatment of the diseases in humans. Ginsenoside Rg3 is one of the most potent components in Korean Red Ginseng (KRG; Panax ginseng Meyer) in ameliorating inflammatory responses. However, the role of Rg3 in Th17 cells and Th17-mediated autoimmunity is unclear. We found that Rg3 significantly inhibited the differentiation of Th17 cells from naïve precursors in a dendritic cell (DC)–T co-culture system. While Rg3 minimally affected the secretion of IL-6, TNFα, and IL-12p40 from DCs, it significantly hampered the expression of IL-17A and RORγt in T cells in a T-cell-intrinsic manner. Moreover, Rg3 alleviated the onset and severity of experimental autoimmune encephalomyelitis (EAE), induced by transferring myelin oligodendrocyte glycoprotein (MOG)-reactive T cells. Our findings demonstrate that Rg3 inhibited Th17 differentiation and Th17-mediated neuro-inflammation, suggesting Rg3 as a potential candidate for resolving Th17-related autoimmune diseases.

Keywords: Rg3; Th17; RORγt; EAE

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MDPI and ACS Style

Park, Y.-J.; Cho, M.; Choi, G.; Na, H.; Chung, Y. A Critical Regulation of Th17 Cell Responses and Autoimmune Neuro-Inflammation by Ginsenoside Rg3. Biomolecules 2020, 10, 122. https://doi.org/10.3390/biom10010122

AMA Style

Park Y-J, Cho M, Choi G, Na H, Chung Y. A Critical Regulation of Th17 Cell Responses and Autoimmune Neuro-Inflammation by Ginsenoside Rg3. Biomolecules. 2020; 10(1):122. https://doi.org/10.3390/biom10010122

Chicago/Turabian Style

Park, Young-Jun, Minkyoung Cho, Garam Choi, Hyeongjin Na, and Yeonseok Chung. 2020. "A Critical Regulation of Th17 Cell Responses and Autoimmune Neuro-Inflammation by Ginsenoside Rg3" Biomolecules 10, no. 1: 122. https://doi.org/10.3390/biom10010122

APA Style

Park, Y.-J., Cho, M., Choi, G., Na, H., & Chung, Y. (2020). A Critical Regulation of Th17 Cell Responses and Autoimmune Neuro-Inflammation by Ginsenoside Rg3. Biomolecules, 10(1), 122. https://doi.org/10.3390/biom10010122

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A Critical Regulation of Th17 Cell Responses and Autoimmune Neuro-Inflammation by Ginsenoside Rg3

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