Cited by 73T-cell and B-cell ImmunologyImmunotherapy and Immune ResponsesImmune Response and Inflammation

Ultraviolet Light-Induced Immune Tolerance Is Mediated via the Fas/Fas-Ligand System

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Schwarz, Agatha, Grabbe, Stephan, Grosse-Heitmeyer, Karin, Roters, Berthold, Riemann, Helge, Luger, Thomas A, Trinchieri, Giorgio, Schwarz, Thomas·1998·The Journal of Immunology

Abstract

Hapten sensitization through UV-exposed skin induces tolerance that is mediated via the induction of hapten-specific T suppressor cells. However, the detailed mechanisms underlying tolerance induction remain unclear to date. We show here that the apoptosis-related surface Ag Fas (APO-1, CD95) and its ligand, Fas ligand (FasL) are critically involved, since Fas-deficient lpr mice and FasL-deficient gld mice do not develop UV-induced tolerance. Adoptive transfer experiments revealed that the mediation of tolerance does not require the expression of Fas or FasL by the T suppressor cells but does require the expression of both molecules by the cells of mice receiving the T suppressor cells. To identify the mechanisms involved, the effect of suppressor cells on Ag-presenting dendritic cells (DC) was studied. Coincubation of hapten-pulsed DC with T cells that were obtained from UV-tolerized mice resulted in an enhanced death rate of DC, and this cell death was dependent upon Fas expression. The addition of IL-12, which recently was found to break established tolerance in vivo, prevented DC death. Moreover, IL-12 did not only rescue DC from T suppressor cell-induced death but also from apoptosis induced by rFasL, suggesting that IL-12 may interfere with the Fas/FasL system. Together, these data indicate a crucial role for the Fas/FasL system in UV-induced tolerance, and suggest that UV-induced T suppressor cells may act by inducing the cell death of APCs via the Fas pathway. The ability of IL-12 to break established tolerance may be due to the prevention of DC death induced by T suppressor cells.

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Crossref · 10.4049/jimmunol.160.9.4262

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  • Tolerance induction by apoptotic cells depends on MHC class I molecules and involves immune suppression by CD8+ T cells.

    “Perhaps paradoxically, tolerance induction by apoptotic cells depends on MHC class I molecules and involves immune suppression by CD8+ T cells10,24,25.”

    From Immunogenic and tolerogenic cell death (2009) · cites this paper as [24]

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Authors
Schwarz, A., Grabbe, S., Grosse-Heitmeyer, K., Roters, B., Riemann, H., Luger, T. A., Trinchieri, G., & Schwarz, T.
Affiliations
  • University of Münster (DE)
  • The Wistar Institute (US)
Venue
The Journal of Immunology
Published
1998-05-01
Volume
160
Issue
9
Pages
4262-4270
ISSN
  • 0022-1767 (ISSN-L)
  • 1550-6606
OpenAlex
W1679015646
Cited by
73
References
37
Citations by year
2024: 1 · 2023: 2 · 2021: 1 · 2020: 1 · 2013: 1 · 2012: 3
FWCI
1.68
Type
journal article
Language
en
Open access
Locations
  • The Journal of Immunology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Deutsche Forschungsgemeinschaft
  • National Institutes of Health (5r01ca032898-13)
  • National Cancer Institute (CA 32898, CA-20833, CA-10815, P30CA010815)
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
Fas/Fas ligand, hapten sensitization, regulatory T cells, dendritic cell apoptosis, IL-12, lpr mice, gld mice, adoptive transfer, antigen-presenting cells, skin immunology
MeSH terms
Animals, Dendritic Cells, Dermatitis, Contact, Haptens, Immune Tolerance, Membrane Glycoproteins, Mice, Inbred C3H, T-Lymphocytes, Ultraviolet Rays, Apoptosis, fas Receptor, Mice, Fas Ligand Protein

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