Abstract
How naive CD4+ T cells commit to the T helper type 2 (TH2) lineage is poorly understood. Here we show that the basic helix-loop-helix transcription factor Dec2 was selectively expressed in TH2 cells. CD4+ T cells from Dec2-deficient mice showed defective TH2 differentiation in vitro and in vivo in an asthma model and in response to challenge with a parasite antigen. Dec2 promoted expression of interleukin 4 (IL-4), IL-5 and IL-13 during early TH2 differentiation and directly bound to and activated transcription of genes encoding the transcription factors JunB and GATA-3. As GATA-3 induces Dec2 expression, our findings also indicate a feed-forward regulatory circuit during TH2 differentiation.
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03 September 2020
An amendment to this paper has been published and can be accessed via a link at the top of the paper.
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Acknowledgements
We thank S. Rivera and J. Parker-Thornburg of the MD Anderson Genetic Engineered Mouse Facility for help in generating knockout and transgenic animals; K. Murphy (Washington University) for the GFP-RV and GFP-RV-GATA-3 vectors; Y. Belkaid (National Institute of Allergy and Infectious Diseases, National Institutes of Health) for S. mansoni eggs and suggestions; and members of the Dong laboratory for help and discussion. Supported by the National Institutes of Health (C.D. and R.N.), the MD Anderson Center for Targeted Therapy (C.D. and R.N.), the American Heart Association (X.O.Y. and R.N.), the Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health (J.Z.), the Ministry of Education of China (J.P.) and the Leukemia and Lymphoma Society (C.D.).
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C.D., X.O.Y. and B.S. designed the research, analyzed and interpreted the results; X.O.Y., P.A., J.Z., J.P., Z.L., R.N., X.L., Y.C. and S.H.C. did the experiments; and X.O.Y., B.S. and C.D. prepared the manuscript.
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Yang, X., Angkasekwinai, P., Zhu, J. et al. Requirement for the basic helix-loop-helix transcription factor Dec2 in initial TH2 lineage commitment. Nat Immunol 10, 1260–1266 (2009). https://doi.org/10.1038/ni.1821
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DOI: https://doi.org/10.1038/ni.1821
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