Control of regulatory T cell lineage commitment and maintenance.

Control of regulatory T cell lineage commitment and maintenance.
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DOI:
10.1016/j.immuni.2009.04.009
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发表时间:
2009-05
期刊:
影响因子:
32.4
通讯作者:
Rudensky A
Rudensky A
中科院分区:
医学1区
文献类型:
--
作者:
Josefowicz SZ;Rudensky A

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表达Foxp 3的调节性T(Treg)细胞抑制由针对自身和外来抗原以及体内微生物的免疫应答介导的病理。转录因子Foxp 3的持续表达是Treg细胞的关键区别特征,是其分化和抑制功能所必需的。此外,Foxp 3表达防止Treg细胞偏离为效应T细胞谱系,并赋予Treg细胞存活和扩增对由活化的效应T细胞提供的生长因子(最重要的是白介素-2)的依赖性。在这篇综述中,我们讨论了Treg细胞的分化和维持,特别强调Foxp 3表达的分子调控,可以说是一个关键的机制理解的生物学调节性T细胞。
Foxp3-expressing regulatory T (Treg) cells suppress pathology mediated by immune responses against self and foreign antigens, and commensal microorganisms. Sustained expression of the transcription factor Foxp3, a key distinguishing feature of Treg cells, is required for their differentiation and suppressor function. In addition, Foxp3 expression prevents deviation of Treg cells into effector T cell lineages and confers dependence of Treg cell survival and expansion on growth factors, foremost interleukin-2, provided by activated effector T cells. In this review we discuss Treg cell differentiation and maintenance with a particular emphasis on molecular regulation of Foxp3 expression, arguably a key to mechanistic understanding of biology of regulatory T cells.
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