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Accession IconSRP041997

Id2 and Id3 maintain the regulatory T cell pool to suppress inflammatory disease

Organism Icon Mus musculus
Sample Icon 7 Downloadable Samples
Technology Badge IconIllumina HiSeq 2000, Illumina HiSeq 2500

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Description
Regulatory T (Treg) cells suppress the development of inflammatory disease, but our knowledge of transcriptional regulators that control this function remains incomplete. Here we show that expression of Id2 and Id3 in Treg cells was required to suppress development of fatal inflammatory disease. We found that T cell antigen receptor (TCR)-driven signaling initially decreased the abundance of Id3, which led to the activation of a follicular regulatory T (TFR) cell–specific transcription signature. However, sustained lower abundance of Id2 and Id3 interfered with proper development of TFR cells. Depletion of Id2 and Id3 expression in Treg cells resulted in compromised maintenance and localization of the Treg cell population. Thus, Id2 and Id3 enforce TFR cell checkpoints and control the maintenance and homing of Treg cells. Overall design: Treg mRNA profiles in lymph node from 3-week-old Id2fl/flId3fl/fl;Foxp3Cre/Cre (Id2 Id3 double-knockout) and control mice are generated by deep sequencing.
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7
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