Abstract
IL-17-producing γδ T (γδT17) cells are critical components of the innate immune system. However, the gene networks that control their development are unclear. Here we show that HEB (HeLa E-box binding protein, encoded by Tcf12) is required for the generation of a newly defined subset of fetal-derived CD73- γδT17 cells. HEB is required in immature CD24+CD73- γδ T cells for the expression of Sox4, Sox13, and Rorc, and these genes are repressed by acute expression of the HEB antagonist Id3. HEB-deficiency also affects mature CD73+ γδ T cells, which are defective in RORγt expression and IL-17 production. Additionally, the fetal TCRγ chain repertoire is altered, and peripheral Vγ4 γδ T cells are mostly restricted to the IFNγ-producing phenotype in HEB-deficient mice. Therefore, our work identifies HEB-dependent pathways for the development of CD73+ and CD73- γδT17 cells, and provides mechanistic evidence for control of the γδT17 gene network by HEB.
| Original language | English |
|---|---|
| Article number | 2004 |
| Pages (from-to) | 2004 |
| Journal | Nature Communications |
| Volume | 8 |
| Issue number | 1 |
| DOIs | |
| State | Published - Dec 1 2017 |
Keywords
- 5'-Nucleotidase/metabolism
- Animals
- Autoantigens/metabolism
- Basic Helix-Loop-Helix Transcription Factors/physiology
- Cell Differentiation
- Female
- Fetal Development/immunology
- Gene Expression Regulation, Developmental/immunology
- Immunity, Innate
- Interferon-gamma/metabolism
- Interleukin-17/immunology
- Intraepithelial Lymphocytes/physiology
- Male
- Mice
- Mice, Inbred C57BL
- Mice, Knockout
- Models, Animal
- Nuclear Receptor Subfamily 1, Group F, Member 3/metabolism
- Receptors, Antigen, T-Cell, gamma-delta/genetics
- SOXC Transcription Factors/metabolism
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