Cited by 126T-cell and B-cell ImmunologyImmunotherapy and Immune ResponsesImmune Response and Inflammation

Induction of antigen-specific regulatory T lymphocytes by human dendritic cells expressing the glucocorticoid-induced leucine zipper

Hamdi, Haifa, Godot, Véronique, Maillot, Marie-Christine, Prejean, Maria Victoria, Cohen, Nicolas, Krzysiek, Roman, Lemoine, François M., Zou, Weiping +1 more·2007·Blood

Abstract

Dendritic cells (DCs) determine whether antigen presentation leads to immune activation or to tolerance. Tolerance-inducing DCs (also called regulatory DCs) act partly by generating regulatory T lymphocytes (Tregs). The mechanism used by DCs to switch toward regulatory DCs during their differentiation is unclear. We show here that human DCs treated in vitro with glucocorticoids produce the glucocorticoid-induced leucine zipper (GILZ). Antigen presentation by GILZ-expressing DCs generates CD25highFOXP3+CTLA-4/CD152+ and interleukin-10–producing Tregs inhibiting the response of CD4+ and CD8+ T lymphocytes. This inhibition is specific to the antigen presented, and only proliferating CD4+ T lymphocytes express the Treg markers. Interleukin-10 is required for Treg induction by GILZ-expressing DCs. It is also needed for the suppressive function of Tregs. Antigen-presenting cells from patients treated with glucocorticoids generate interleukin-10–secreting Tregs ex vivo. These antigen-presenting cells produce GILZ, which is needed for Treg induction. Therefore, GILZ is critical for commitment of DCs to differentiate into regulatory DCs and to the generation of antigen-specific Tregs. This mechanism may contribute to the therapeutic effects of glucocorticoids.

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Crossref · 10.1182/blood-2006-10-052506

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  • Glucocorticoids can convert dendritic cells to tolerogenic cells that promote regulatory T cell production, and this effect relies on glucocorticoid-mediated expression of GILZ.

    “GCs can also convert DCs to tolerogenic cells, which promote the production of regulatory T cells (38, 39). This immunosuppressive effect critically relies on the GC-mediated expression of glucocorticoid-induce leucine zipper (GILZ), since this transcription factor appears as both necessary and sufficient for the induction of a tolerogenic state (40, 41).”

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Authors
Hamdi, H., Godot, V., Maillot, M.-C., Prejean, M. V., Cohen, N., Krzysiek, R., Lemoine, F. M., Zou, W., & Emilie, D.
Affiliations
  • Institut National de la Santé et de la Recherche Médicale, U764, Clamart, France;
  • Université Paris-Sud (FR)
  • Inserm (FR)
  • Centre National de la Recherche Scientifique, Unité Mixte de Recherche 7087, Paris, France;
  • University of Michigan (US)
Venue
Blood
Published
2007-07-01
Volume
110
Issue
1
Pages
211-219
ISSN
  • 0006-4971 (ISSN-L)
  • 1528-0020
OpenAlex
W2025019393
Cited by
126
References
55
Citations by year
2026: 2 · 2025: 2 · 2024: 2 · 2022: 3 · 2021: 5 · 2020: 3 · 2019: 8 · 2018: 6 · 2017: 5 · 2016: 6 · 2015: 13 · 2014: 12 · 2013: 8 · 2012: 6
FWCI
4.09
Type
journal article
Language
en
Open access
closed
Locations
Blood (publishedVersion)
Funders
  • Institut National de la Santé et de la Recherche Médicale
  • National Heart, Lung, and Blood Institute (R01HL079584, R01HL074399, R01HL080499)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotherapy and Immune Responses
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
Keywords
regulatory T cells, dendritic cells, GILZ, glucocorticoids, regulatory dendritic cells, antigen-specific tolerance, IL-10, Foxp3, CTLA-4, CD25, Treg induction, immune tolerance, CD4+ T cells, CD8+ T cells, glucocorticoid therapy

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