Cutting edge: all-trans retinoic acid sustains the stability and function of natural regulatory T cells in an inflammatory milieu.

Cutting edge: all-trans retinoic acid sustains the stability and function of natural regulatory T cells in an inflammatory milieu.
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尖端技术:全反式视黄酸维持炎症环境中天然调节性 T 细胞的稳定性和功能

DOI:
10.4049/jimmunol.1000598
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发表时间:
2010-09-01
期刊:
Journal of immunology (Baltimore, Md. : 1950)
影响因子:
--
通讯作者:
Zheng SG
Zheng SG
中科院分区:
其他
文献类型:
--
作者:
Zhou X;Kong N;Wang J;Fan H;Zou H;Horwitz D;Brand D;Liu Z;Zheng SG

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最近的研究表明,天然存在的CD 4 + Foxp 3+调节性T细胞(nTcells)的可塑性可能是其无法控制已建立的自身免疫性疾病中慢性炎症的原因。全反式维甲酸(atRA)是维生素A的活性衍生物,已被证明可促进Foxp 3 + Treg分化并抑制Th 17发育。在这项研究中,我们报告了一个至关重要的作用,atRA在维持的稳定性和功能性的nTHBE在IL-6的存在。我们发现,用atRA处理的nTcR对Th 17和其他Th细胞转化具有抗性,并且在体外IL-6存在下维持Foxp 3表达和抑制活性。atRA降低IL-6 R的表达和nT细胞介导的信号传导。值得注意的是,过继转移nTdR,即使是从用atRA治疗的关节炎小鼠,也能抑制已建立的胶原诱导的关节炎的进展。我们认为,用atRA治疗的nTibet可能代表了一种新的治疗策略,以控制已建立的慢性免疫介导的炎症性疾病。
Recent studies have demonstrated that plasticity of naturally occurring CD4+Foxp3+ regulatory T cells (nTregs) may account for their inability to control chronic inflammation in established autoimmune diseases. All-trans retinoic acid (atRA), the active derivative of vitamin A, has been demonstrated to promote Foxp3+ Treg differentiation and suppress Th17 development. In this study, we report a vital role of atRA in sustaining the stability and functionality of nTregs in the presence of IL-6. We found that nTregs treated with atRA were resistant to Th17 and other Th cell conversion and maintained Foxp3 expression and suppressive activity in the presence of IL-6 in vitro. atRA decreased IL-6R expression and signaling by nTregs. Of interest, adoptive transfer of nTregs even from arthritic mice treated with atRA suppressed progression of established collagen-induced arthritis. We suggest that nTregs treated with atRA may represent a novel treatment strategy to control established chronic immune-mediated inflammatory diseases.
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