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学科主题: 临床医学
题名:
Regulatory T cells in rheumatoid arthritis showed increased plasticity toward Th17 but retained suppressive function in peripheral blood
作者: Wang, Tian1,2; Sun, Xiaolin1; Zhao, Jing1; Zhang, Jing1; Zhu, Huaqun1; Li, Chun1; Gao, Na2; Jia, Yuan1; Xu, Dakang3,4; Huang, Fang-Ping5; Li, Ningli6; Lu, Liwei7,8; Li, Zhan-Guo1
刊名: ANNALS OF THE RHEUMATIC DISEASES
发表日期: 2015-06-01
DOI: 10.1136/annrheumdis-2013-204228
卷: 74, 期:6, 页:1293-1301
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Rheumatology
研究领域[WOS]: Rheumatology
关键词[WOS]: FIBROBLAST-LIKE SYNOVIOCYTES ; TNF-ALPHA ; DIFFERENTIATION ; AUTOIMMUNE ; DISEASE ; T(H)17 ; FOXP3 ; EXPRESSION ; RECEPTOR ; CYR61
英文摘要:

Objective Regulatory T cells (Tregs) with the plasticity of producing proinflammatory cytokine IL-17 have been demonstrated under normal and pathogenic conditions. However, it remains unclear whether IL-17-producing Tregs lose their suppressive functions because of their plasticity toward Th17 in autoimmunity. The aim of this study was to investigate IL-17-producing Tregs from patients with rheumatoid arthritis (RA), and characterise their regulatory capacity and clinical significance.

Methods Foxp3 and IL-17 coexpression were evaluated in CD4 T lymphocytes from RA patients. An in vitro T cell polarisation assay was performed to investigate the role of proinflammatory cytokines in IL-17-producing Treg polarisation. The suppressive function of IL-17-producing Tregs in RA was assessed by an in vitro suppression assay. The relationship between this Treg subset and clinical features in RA patients was analysed using Spearman′s rank correlation test.

Results A higher frequency of IL-17-producing Tregs was present in the peripheral blood of RA patients compared with healthy subjects. These cells from peripheral blood showed phenotypic characteristics of Th17 and Treg cells, and suppressed T cell proliferation in vitro. Tregs in RA synovial fluid lost suppressive function. The Th17 plasticity of Tregs could be induced by IL-6 and IL-23. An increased ratio of this Treg subset was associated with decreased levels of inflammatory markers, including the erythrocyte sedimentation rate and C-reactive protein level, in patients with RA.

Conclusions Increased levels of IL-17-producing Tregs were identified in RA patients. This Treg subset with Th17 plasticity in peripheral blood retained suppressive functions and was associated with milder inflammatory conditions, suggesting that this Treg population works as a negative regulator in RA, but in RA synovial site it may be pathogenic.

语种: 英语
所属项目编号: 2010CB529104 ; 31000409 ; 81120108020 ; 2010DFB34000 ; 12040630363
项目资助者: National Basic Research Program of China (973 program) ; National Natural Science Foundation of China ; Major International Joint Research Project of NSFC ; Program of International Science &amp ; Technology Cooperation of MOST ; Chinese Medical Association Clinical Medicine Research Foundation
WOS记录号: WOS:000354371200049
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内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/56832
Appears in Collections:北京大学第二临床医学院_期刊论文

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作者单位: 1.Monash Univ, MIMR PHI Inst Med Res, Clayton, Vic, Australia
2.Univ Hong Kong, Dept Pathol, Hong Kong, Hong Kong, Peoples R China
3.Peking Univ, Peoples Hosp, Clin Immunol Ctr, Dept Rheumatol & Immunol, Beijing 100044, Peoples R China
4.Capital Med Univ, Beijing An Zhen Hosp, Dept Rheumatol & Immunol, Beijing, Peoples R China
5.Hangzhou Normal Univ, Inst Ageing Res, Hangzhou, Zhejiang, Peoples R China
6.Univ London Imperial Coll Sci Technol & Med, Hammersmith Hosp, Fac Med, Dept Med,Div Immunol & Inflammat,Rheumatol Sect, London, England
7.Shanghai Jiao Tong Univ, Sch Med, Inst Med Sci, Shanghai Inst Immunol, Shanghai 200030, Peoples R China
8.Univ Hong Kong, Ctr Infect & Immunol, Hong Kong, Hong Kong, Peoples R China

Recommended Citation:
Wang, Tian,Sun, Xiaolin,Zhao, Jing,et al. Regulatory T cells in rheumatoid arthritis showed increased plasticity toward Th17 but retained suppressive function in peripheral blood[J]. ANNALS OF THE RHEUMATIC DISEASES,2015,74(6):1293-1301.
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