Cited by 86Signaling Pathways in DiseaseT-cell and B-cell ImmunologyGenomics and Chromatin Dynamics

Transcriptional complexes formed by NFAT dimers regulate the induction of T cell tolerance

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Soto-Nieves, Noemi, Puga, Irene, Abe, Brian T., Bandyopadhyay, Sanmay, Baine, Ian, Rao, Anjana, Macian, Fernando·2009·Journal of Experimental Medicine

Abstract

In T cells, anergy can be induced after T cell receptor engagement in the absence of costimulation. Under these conditions, the expression of a specific set of anergy-associated genes is activated. Several lines of evidence suggest that nuclear factor of activated T cells (NFAT) proteins may regulate the expression of many of those genes; however, the nature of the complexes responsible for the induction of this new program of gene expression is unknown. Here, we show that transcriptional complexes formed by NFAT homodimers are directly responsible for the activation of at least two anergy-inducing genes, Grail and Caspase3. Our data shows that Grail expression is activated by direct binding of NFAT dimers to the Grail promoter at two different sites. Consequently, a mutant NFAT protein with impaired ability to dimerize is not able to induce an unresponsive state in T cells. Our results not only identify a new biological function for NFAT dimers but also reveal the different nature of NFAT-containing complexes that induce anergy versus those that are activated during a productive immune response. These data also establish a basis for the design of immunomodulatory strategies that specifically target each type of complex.

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Crossref · 10.1084/jem.20082731

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  • The genetic reprogramming effects of the Ca2+ imbalance are hypothesized to be mediated by NFAT homodimer formation and transcription of anergy-inducing genes.

    “The effects of this imbalance on the genetic reprogramming of these cells have been hypothesized to be mediated by NFAT homodimer formation and transcription of anergy-inducing genes [21,22].”

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Authors
Soto-Nieves, N., Puga, I., Abe, B. T., Bandyopadhyay, S., Baine, I., Rao, A., & Macian, F.
Affiliations
  • Department of Pathology, Albert Einstein College of Medicine, Bronx, NY 10461 1
  • Albert Einstein College of Medicine (US)
  • Harvard University (US)
Venue
Journal of Experimental Medicine
Published
2009-03-23
Volume
206
Issue
4
Pages
867-876
ISSN
  • 0022-1007 (ISSN-L)
  • 1540-9538
OpenAlex
W2127082390
Cited by
86
References
58
Citations by year
2026: 3 · 2024: 3 · 2023: 3 · 2022: 1 · 2021: 8 · 2020: 9 · 2019: 3 · 2018: 2 · 2017: 4 · 2016: 2 · 2015: 8 · 2014: 4 · 2013: 8 · 2012: 12
FWCI
3.75
Type
journal article
Language
en
Open access
Locations
  • The Journal of Experimental Medicine (publishedVersion)
  • PubMed Central (publishedVersion, cc-by-nc-sa)
  • PubMed (publishedVersion)
  • Digital Access to Scholarship at Harvard (DASH) (Harvard University) (submittedVersion, cc-by)
Funders
  • University of Southern California
  • National Institutes of Health
  • National Cancer Institute (CA-42471, R01CA042471, R37CA042471)
  • National Institute of General Medical Sciences (GM007288, T32GM007288)
  • National Institute of Allergy and Infectious Diseases (R56AI059738, AI059738, AI48213, R01AI048213, R01AI059738)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Signaling Pathways in Disease
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
Keywords
NFAT, T cell anergy, T cell tolerance, transcriptional complex, GRAIL, caspase-3, T cell receptor signaling, costimulation, transcriptional activation, immunomodulation
MeSH terms
Gene Expression Regulation, Humans, Immune Tolerance, Mutation, Promoter Regions, Genetic, Receptors, Antigen, T-Cell, T-Lymphocytes, Transcription, Genetic, Jurkat Cells, Dimerization, Ubiquitin-Protein Ligases, NFATC Transcription Factors, Caspase 3

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