Physiologic control of the functional status of Foxp3+ regulatory T cells.
Physiologic control of the functional status of Foxp3+ regulatory T cells.
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DOI:
10.4049/jimmunol.1002937
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发表时间:
2011-04-15
期刊:
影响因子:
--
通讯作者:
Munn DH
中科院分区:
文献类型:
--
作者:
Mellor AL;Munn DH
Regulatory Foxp3-lineage CD4 T cells (Tregs) were named for their ability to maintain self tolerance and suppress T cell immunity. However, resting Tregs from non-inflamed tissues exhibit little suppressor activity, and must be stimulated to acquire such function. Conversely, under certain inflammatory conditions Tregs may undergo rapid re-programming to acquire helper/effector functions. In this Brief Review, we describe recent progress in elucidating physiologic processes that control the functional status of Foxp3-lineage Tregs. Emerging evidence suggests the surprising possibility that re-programmed Tregs can be an indispensable source of helper activity in some physiologic settings, such as priming CD8+ T cell responses. This suggests a novel paradigm in which Foxp3+ Tregs intrinsically possess bifunctional potential, acting as a pre-formed pool of ‘first responder’ cells at sites of local inflammation that can provide either classical regulatory/suppressor activity, or rapidly re-program to supply helper/effector activity, contingent on signals that manifest in local physiologic settings.
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DOI:
10.1084/jem.20041033
发表时间:
2005-09-19
期刊:
The Journal of experimental medicine
影响因子:
--
作者:
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通讯作者:
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DOI:
10.4049/jimmunol.0900691
发表时间:
2009-07-01
期刊:
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影响因子:
--
作者:
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通讯作者:
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影响因子:
5.4
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通讯作者:
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影响因子:
20.3
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影响因子:
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