Cited by 79T-cell and B-cell ImmunologyImmunotoxicology and immune responsesMonoclonal and Polyclonal Antibodies Research

Rapid Regulatory T-Cell Response Prevents Cytokine Storm in CD28 Superagonist Treated Mice

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Gogishvili, Tea, Langenhorst, Daniela, Lühder, Fred, Elias, Fernando, Elflein, Karin, Dennehy, Kevin M., Gold, Ralf, Hünig, Thomas·2009·PLoS ONE

Abstract

Superagonistic CD28-specific monoclonal antibodies (CD28SA) are highly effective activators of regulatory T-cells (Treg cells) in rats, but a first-in-man trial of the human CD28SA TGN1412 resulted in an unexpected cytokine release syndrome. Using a novel mouse anti-mouse CD28SA, we re-investigate the relationship between Treg activation and systemic cytokine release. Treg activation by CD28SA was highly efficient but depended on paracrine IL-2 from CD28SA-stimulated conventional T-cells. Systemic cytokine levels were innocuous, but depletion of Treg cells prior to CD28SA stimulation led to systemic release of proinflammatory cytokines, indicating that in rodents, Treg cells effectively suppress the inflammatory response. Since the human volunteers of the TGN1412 study were not protected by this mechanism, we also tested whether corticosteroid prophylaxis would be compatible with CD28SA induced Treg activation. We show that neither the expansion nor the functional activation of Treg cells is affected by high-dose dexamethasone sufficient to control systemic cytokine release. Our findings warn that preclinical testing of activating biologicals in rodents may miss cytokine release syndromes due to the rapid and efficacious response of the rodent Treg compartment, and suggest that polyclonal Treg activation is feasible in the presence of antiphlogistic corticosteroid prophylaxis.

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Authors
Gogishvili, T., Langenhorst, D., Lühder, F., Elias, F., Elflein, K., Dennehy, K. M., Gold, R., & Hünig, T.
Affiliations
  • University of Würzburg (DE)
  • Hertie Foundation (DE)
  • St. Josef-Hospital (DE)
Corresponding author
Hünig, Thomas
Venue
PLoS ONE
Published
2009-02-27
Volume
4
Issue
2
Pages
e4643
ISSN
1932-6203 (ISSN-L)
OpenAlex
W2068582444
Cited by
79
References
42
Citations by year
2026: 1 · 2025: 1 · 2023: 2 · 2022: 4 · 2021: 7 · 2020: 5 · 2019: 1 · 2018: 2 · 2017: 5 · 2016: 5 · 2015: 2 · 2014: 8 · 2013: 5 · 2012: 11
FWCI
4.46
Type
journal article
Language
en
Open access
Locations
  • PLoS ONE (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • GoeScholar The Publication Server of the Georg-August-Universität Göttingen (Georg-August-Universität Göttingen) (submittedVersion, cc-by)
  • GRO (submittedVersion, cc-by)
Funders
Deutsche Forschungsgemeinschaft
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotoxicology and immune responses
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Monoclonal and Polyclonal Antibodies Research
Keywords
regulatory T cells, TGN1412, cytokine release syndrome, Treg activation, corticosteroid prophylaxis, dexamethasone, inflammatory cytokines, Treg depletion
MeSH terms
Adrenal Cortex Hormones, Animals, Antibodies, Monoclonal, Lymphocyte Activation, Cytokines, CD28 Antigens, Cell Proliferation, T-Lymphocytes, Regulatory, Mice

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