Plasticity of CD4(+) FoxP3(+) T cells.

Plasticity of CD4(+) FoxP3(+) T cells.
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DOI:
10.1016/j.coi.2009.05.007
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发表时间:
2009-06
影响因子:
7
通讯作者:
Bluestone JA
Bluestone JA
中科院分区:
医学2区
文献类型:
--
作者:
Zhou X;Bailey-Bucktrout S;Jeker LT;Bluestone JA

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Regulatory T (Treg) cells play an essential role in maintaining immunological tolerance. The discovery of FoxP3 as a key Treg transcription factor combined with recent advances in the development of functional reporter mice have enabled new insights into Treg biology and revealed unexpected features of this lineage. In this review, we address the stability of this population, focusing on studies that suggest that Tregs can down-regulate FoxP3, lose regulatory activity and, under some conditions, become memory T cells capable of recognizing self-antigens and expressing effector cell activities including the production of IL-17 and IFNγ. The presence of these “exTregs” in multiple inflammatory settings suggests a potential role for these cells in a variety of disease settings ranging from autoimmunity to cancer and infectious disease.
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