Cited by 34T-cell and B-cell ImmunologyImmunotherapy and Immune ResponsesPsoriasis: Treatment and Pathogenesis

Characterization of a CD44/CD122int Memory CD8 T Cell Subset Generated under Sterile Inflammatory Conditions

Mbitikon-Kobo, Florentin-Martial, Vocanson, Marc, Michallet, Marie-Cécile, Tomkowiak, Martine, Cottalorda, Anne, Angelov, Georgi S, Coupet, Charles-Antoine, Djebali, Sophia +6 more·2009·The Journal of Immunology

Abstract

Most memory CD8 T cell subsets that have been hitherto defined are generated in response to infectious pathogens. In this study, we have characterized the CD8 T cells that survive priming conditions, devoid of pathogen-derived danger signals. In both a TCR-transgenic model and a model of contact hypersensitivity, we show that the priming of naive CD8 T cells under sterile inflammatory conditions generates memory. The corresponding memory CD8 T cells can be identified by their intermediate expression levels of CD44 and CD122. We also show that CD44/122int memory CD8 T cells spontaneously develop in wild type mice and that they display intermediate levels of several other memory traits including functional (IFN-γ secretion capacity, CCL5 messenger stores), phenotypic, and molecular (T-bet and eomesodermin expression levels) features. We finally show that they correspond to an early differentiation stage and can further differentiate in CD44/122high memory T cells. Altogether, our results identify a new memory CD8 T cell subset that is generated under sterile inflammatory conditions and involved in the recall contact hypersensitivity reactions that are responsible for allergic contact dermatitis.

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Registry

Crossref · 10.4049/jimmunol.0802438

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  • Inflammatory responses during infection are very similar to responses induced by sterile stimuli, including recruitment of neutrophils and macrophages, production of inflammatory cytokines and chemokines, and induction of T cell-mediated adaptive immune responses.

    “Moreover, inflammatory responses during infection are very similar to responses induced by sterile stimuli, including the recruitment of neutrophils and macrophages, the production of inflammatory cytokines and chemokines, and the induction of T cell-mediated adaptive immune responses23.”

    From Sterile inflammation: sensing and reacting to damage (2010) · cites this paper as [23]

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Authors
Mbitikon-Kobo, F.-M., Vocanson, M., Michallet, M.-C., Tomkowiak, M., Cottalorda, A., Angelov, G. S., Coupet, C.-A., Djebali, S., Marçais, A., Dubois, B., Bonnefoy-Bérard, N., Nicolas, J.-F., Arpin, C., & Marvel, J.
Affiliations
  • Lyon 1 Université (FR)
  • Université de Lyon ,
Venue
The Journal of Immunology
Published
2009-03
Volume
182
Issue
6
Pages
3846-3854
ISSN
  • 0022-1767 (ISSN-L)
  • 1550-6606
OpenAlex
W1606948051
Cited by
34
References
46
Citations by year
2023: 1 · 2022: 2 · 2021: 1 · 2020: 2 · 2019: 2 · 2018: 1 · 2017: 2 · 2016: 3 · 2015: 3 · 2014: 3 · 2013: 1 · 2012: 3
FWCI
1.72
Type
journal article
Language
en
Open access
closed
Locations
  • The Journal of Immunology (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
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 › Psoriasis: Treatment and Pathogenesis
Keywords
memory CD8+ T cells, CD44, CD122, sterile inflammation, T cell priming, contact hypersensitivity, allergic contact dermatitis, TCR transgenic mice, T cell differentiation, interferon-gamma, RANTES, T-bet, Eomesodermin
MeSH terms
Animals, Cell Differentiation, Dermatitis, Contact, Immunologic Memory, Lymphocyte Activation, Mice, Inbred C57BL, Mice, Transgenic, Biomarkers, T-Lymphocyte Subsets, Mice, Knockout, CD8-Positive T-Lymphocytes, Inflammation Mediators, Hyaluronan Receptors, Mice, Interleukin-2 Receptor beta Subunit

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