Stability of the regulatory T cell lineage in vivo.
Stability of the regulatory T cell lineage in vivo.
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DOI:
10.1126/science.1191996
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发表时间:
2010-09-24
期刊:
影响因子:
--
通讯作者:
Rudensky AY
中科院分区:
文献类型:
--
作者:
Rubtsov YP;Niec RE;Josefowicz S;Li L;Darce J;Mathis D;Benoist C;Rudensky AY
Tissue maintenance and homeostasis can be achieved through replacement of dying cells by differentiating precursors, self-renewal of terminally differentiated cells or relies heavily on cellular longevity in poorly regenerating tissues. Regulatory T (Treg) cells represent an actively dividing cell population with critical function in suppression of lethal immune-mediated inflammation. The plasticity of Treg cells has been actively debated as it could factor importantly in protective immunity or autoimmunity. Here, by using inducible labeling and tracking of Treg cell fate in vivo, or transfers of highly purified Treg cells, we demonstrate remarkable stability of this cell population under physiologic and inflammatory conditions. Our results suggest that self-renewal of mature Treg cells serves as a major mechanism of maintenance of the Treg cell lineage in adult mice.
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