Cited by 96T-cell and B-cell ImmunologyPsoriasis: Treatment and PathogenesisIL-33, ST2, and ILC Pathways

Eomesodermin controls a unique differentiation program in human IL‐10 and IFN‐γ coproducing regulatory T cells

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Gruarin, Paola, Maglie, Stefano, De Simone, Marco, Häringer, Barbara, Vasco, Chiara, Ranzani, Valeria, Bosotti, Roberto, Noddings, Johanna S. +14 more·2019·European Journal of Immunology

Abstract

Whether human IL‐10‐producing regulatory T cells (“Tr1”) represent a distinct differentiation lineage or an unstable activation stage remains a key unsolved issue. Here, we report that Eomesodermin (Eomes) acted as a lineage‐defining transcription factor in human IFN‐γ/IL‐10 coproducing Tr1‐like cells. In vivo occurring Tr1‐like cells expressed Eomes, and were clearly distinct from all other CD4+ T‐cell subsets, including conventional cytotoxic CD4+ T cells. They expressed Granzyme (Gzm) K, but had lost CD40L and IL‐7R expression. Eomes antagonized the Th17 fate, and directly controlled IFN‐γ and GzmK expression. However, Eomes binding to the IL‐10 promoter was not detectable in human CD4+ T cells, presumably because critical Tbox binding sites of the mouse were not conserved. A precommitment to a Tr1‐like fate, i.e. concominant induction of Eomes, GzmK, and IFN‐γ, was promoted by IL‐4 and IL‐12‐secreting myeloid dendritic cells. Consistently, Th1 effector memory cells contained precommitted Eomes+GzmK+ T cells. Stimulation with T‐cell receptor (TCR) agonists and IL‐27 promoted the generation of Tr1‐like effector cells by inducing switching from CD40L to IL‐10. Importantly, CD4+Eomes+ T‐cell subsets were present in lymphoid and nonlymphoid tissues, and their frequencies varied systemically in patients with inflammatory bowel disease and graft‐versus‐host disease. We propose that Eomes+ Tr1‐like cells are effector cells of a unique GzmK‐expressing CD4+ T‐cell subset.

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Authors
Gruarin, P., Maglie, S., De Simone, M., Häringer, B., Vasco, C., Ranzani, V., Bosotti, R., Noddings, J. S., Larghi, P., Facciotti, F., Sarnicola, M. L., Martinovic, M., Crosti, M., Moro, M., Rossi, R. L., Bernardo, M. E., Caprioli, F., Locatelli, F., Rossetti, G., Abrignani, S., Pagani, M., & Geginat, J.
Affiliations
  • Istituto Nazionale Genetica Molecolare (IT)
  • INGM‐National Institute of Molecular Genetics “Romeo ed Enrica Invernizzi” Milan Italy
  • German Rheumatism Research Centre (DE)
  • Bambino Gesù Children's Hospital (IT)
  • Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (IT)
  • University of Milan (IT)
Corresponding author
Geginat, Jens
Venue
European Journal of Immunology
Publisher
Wiley
Published
2018-11-29
Volume
49
Issue
1
Pages
96-111
ISSN
  • 0014-2980 (ISSN-L)
  • 1521-4141
OpenAlex
W2901980385
Cited by
92
References
50
Citations by year
2026: 6 · 2025: 7 · 2024: 14 · 2023: 16 · 2022: 18 · 2021: 12 · 2020: 5 · 2019: 12 · 2018: 2
FWCI
3.33
Type
journal article
Language
en
Open access
Locations
  • European Journal of Immunology (publishedVersion)
  • PubMed (publishedVersion)
  • Archivio Istituzionale della Ricerca (Universita Degli Studi Di Milano) (submittedVersion, other-oa)
  • IRIS Research product catalog (Sapienza University of Rome) (submittedVersion, other-oa)
  • BOA (University of Milano-Bicocca) (submittedVersion)
  • IRIS Research product catalog (Sapienza University of Rome) (submittedVersion)
  • Archivio Istituzionale della Ricerca - Università Vita-Salute San Raffaele (submittedVersion)
Funders
  • Associazione Italiana per la Ricerca sul Cancro (IG 2015 Id17448)
  • Fondazione Cariplo (2013‐0937)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Life Sciences › Immunology and Microbiology › Immunology › Psoriasis: Treatment and Pathogenesis
  • Life Sciences › Immunology and Microbiology › Immunology › IL-33, ST2, and ILC Pathways
Keywords
Eomesodermin, regulatory T cells, IL-10, interferon-gamma, granzyme K, CD4+ T cell differentiation, transcription factors, IL-4, IL-12, dendritic cells, IL-27, CD40 ligand, IL-7 receptor, inflammatory bowel disease, graft-versus-host disease, effector memory T cells
MeSH terms
Animals, Cell Differentiation, Cells, Cultured, Gene Expression Regulation, Graft vs Host Disease, Humans, Immunologic Memory, Interferon-gamma, Inflammatory Bowel Diseases, T-Lymphocyte Subsets, Interleukin-10, Th1 Cells, Cell Lineage, T-Box Domain Proteins, T-Lymphocytes, Regulatory, Mice, Granzymes

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