Total glucosides of paeony induces regulatory CD4(+)CD25(+) T cells by increasing Foxp3 demethylation in lupus CD4(+) T cells

Copyright © 2012 Elsevier Inc. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 143(2012), 2 vom: 07. Mai, Seite 180-7
1. Verfasser: Zhao, Ming (VerfasserIn)
Weitere Verfasser: Liang, Gong-ping, Tang, Mei-ni, Luo, Shuang-yan, Zhang, Jing, Cheng, Wen-jing, Chan, Tak-mao, Lu, Qian-jin
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2012
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Cytokines FOXP3 protein, human Forkhead Transcription Factors Glucosides Interleukin-2 Receptor alpha Subunit RNA, Messenger
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520 |a Total glucosides of paeony (TGP), an active compound extracted from Paeony root, has been used in therapy for autoimmune diseases. However the molecular mechanism of TGP in the prevention of autoimmune response remains unclear. In this study, we found that TGP treatment significantly increased the percentage and number of Treg cells in lupus CD4(+) T cells. Further investigation revealed that treatment with TGP increased the expression of Foxp3 in lupus CD4(+) T cells by down-regulating Foxp3 promoter methylation levels. However, we couldn't observe similar results in healthy control CD4(+) T cells treated by TGP. Moreover, our results also showed that IFN-γ and IL-2 expression was enhanced in TGP-treated lupus CD4(+) T cells. These findings indicate that TGP inhibits autoimmunity in SLE patients possibly by inducing Treg cell differentiation, which may in turn be due to its ability to regulate the methylation status of the Foxp3 promoter and activate IFN-γ and IL-2 signaling 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 7 |a Cytokines  |2 NLM 
650 7 |a FOXP3 protein, human  |2 NLM 
650 7 |a Forkhead Transcription Factors  |2 NLM 
650 7 |a Glucosides  |2 NLM 
650 7 |a Interleukin-2 Receptor alpha Subunit  |2 NLM 
650 7 |a RNA, Messenger  |2 NLM 
700 1 |a Liang, Gong-ping  |e verfasserin  |4 aut 
700 1 |a Tang, Mei-ni  |e verfasserin  |4 aut 
700 1 |a Luo, Shuang-yan  |e verfasserin  |4 aut 
700 1 |a Zhang, Jing  |e verfasserin  |4 aut 
700 1 |a Cheng, Wen-jing  |e verfasserin  |4 aut 
700 1 |a Chan, Tak-mao  |e verfasserin  |4 aut 
700 1 |a Lu, Qian-jin  |e verfasserin  |4 aut 
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773 1 8 |g volume:143  |g year:2012  |g number:2  |g day:07  |g month:05  |g pages:180-7 
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