Developmental stage, phenotype, and migration distinguish naive- and effector/memory-like CD4+ regulatory T cells.

Developmental stage, phenotype, and migration distinguish naive- and effector/memory-like CD4+ regulatory T cells.
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发育阶段、表型和迁移可区分幼稚型和效应/记忆型 CD4+ 调节性 T 细胞。

DOI:
10.1084/jem.20031562
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发表时间:
2004-02-02
期刊:
The Journal of experimental medicine
影响因子:
--
通讯作者:
Hamann A
Hamann A
中科院分区:
其他
文献类型:
--
作者:
Huehn J;Siegmund K;Lehmann JC;Siewert C;Haubold U;Feuerer M;Debes GF;Lauber J;Frey O;Przybylski GK;Niesner U;de la Rosa M;Schmidt CA;Bräuer R;Buer J;Scheffold A;Hamann A

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调节性T细胞(Tcells)在免疫调节中发挥着重要作用。我们以前报道过整合素αEβ7可区分不同的小鼠CD 4+调节性T细胞亚群。这种标记物的使用现在有助于解开调节性T细胞之间的基本二分法。αE − CD 25+细胞表达L-选择素和CCR 7,使其能够通过淋巴组织再循环。相比之下,α E阳性亚群(CD 25+和CD 25 −)表现出一种效应/记忆表型,表达高水平的E/P-选择素结合配体、多种粘附分子以及炎性趋化因子受体,允许有效迁移到炎症部位。因此,发现表达α E的细胞是疾病模型(如抗原诱导的关节炎)中炎症过程的最有效抑制剂。
Regulatory T cells (Tregs) fulfill a central role in immune regulation. We reported previously that the integrin αEβ7 discriminates distinct subsets of murine CD4+ regulatory T cells. Use of this marker has now helped to unravel a fundamental dichotomy among regulatory T cells. αE −CD25+ cells expressed L-selectin and CCR7, enabling recirculation through lymphoid tissues. In contrast, αE-positive subsets (CD25+ and CD25−) displayed an effector/memory phenotype expressing high levels of E/P-selectin–binding ligands, multiple adhesion molecules as well as receptors for inflammatory chemokines, allowing efficient migration into inflamed sites. Accordingly, αE-expressing cells were found to be the most potent suppressors of inflammatory processes in disease models such as antigen-induced arthritis.
DOI: 10.1084/jem.20021387
发表时间: 2003-02-17
期刊: The Journal of experimental medicine
影响因子: --
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