Foxo: in command of T lymphocyte homeostasis and tolerance.
Foxo: in command of T lymphocyte homeostasis and tolerance.
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DOI:
10.1016/j.it.2010.10.005
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发表时间:
2011-01
影响因子:
16.8
通讯作者:
Li MO
中科院分区:
文献类型:
--
作者:
Ouyang W;Li MO
The forkhead box O (Foxo) family of transcription factors consists of the mammalian orthologs of the Caenorhabditis elegans longevity protein Daf-16, and has an evolutionarily conserved function in the regulation of nutrient sensing and stress responses. Recent studies have shown that Foxo proteins control expression of immune system-specific genes such as Il7ra in naïve T cells and Foxp3 in regulatory T (Treg) cells, which are crucial regulators of T cell homeostasis and tolerance. These findings reveal that the ancient Foxo pathway has been co-opted to regulate highly specialized T cell activities. The Foxo pathway likely enables a diverse and self-tolerant population of T cells in the steady state, which is an important prerequisite for the establishment of a functional adaptive immune system.
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