The transcription factor Foxo1 controls central-memory CD8+ T cell responses to infection.
The transcription factor Foxo1 controls central-memory CD8+ T cell responses to infection.
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DOI:
10.1016/j.immuni.2013.07.013
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发表时间:
2013-08-22
期刊:
影响因子:
32.4
通讯作者:
Li MO
中科院分区:
文献类型:
--
作者:
Kim MV;Ouyang W;Liao W;Zhang MQ;Li MO
Memory T cells protect hosts from pathogen reinfection, but how these cells emerge from a pool of antigen-experienced T cells is unclear. Here we show that mice lacking the transcription factor Foxo1 in activated CD8+ T cells had defective secondary, but not primary, responses to Listeria monocytogenes infection. Compared to short-lived effector T cells, memory precursor T cells expressed higher amounts of Foxo1, which promoted their generation and maintenance. Chromatin immunoprecipitation sequencing experiments revealed the transcription factor Tcf7 and the chemokine receptor Ccr7 as Foxo1-bound target genes, which have critical functions in central memory T cell differentiation and trafficking. These findings demonstrate that Foxo1 is selectively incorporated into the genetic program that regulates memory CD8+ T cell responses to infection.
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DOI:
10.1038/nri2888
发表时间:
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期刊:
Nature reviews. Immunology
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