Cited by 79Immunotherapy and Immune ResponsesStress Responses and CortisolImmune Response and Inflammation

Corticosterone impairs dendritic cell maturation and function

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Elftman, Michael D., Norbury, Christopher C., Bonneau, Robert H., Truckenmiller, Mary E.·2007·Immunology

Abstract

Summary: Dendritic cells (DC) play a critical role in initiating and directing adaptive immune responses against pathogens and tumours. Immature DC are thought to act as sentinels in peripheral tissues where their main function is to capture antigen at sites of infection, whereas mature DC are highly efficient at priming T‐cell‐mediated immune responses against infectious pathogens. The DC maturation process is thought to be an important step in the efficient generation of cytotoxic T lymphocytes (CTL). It is well established that many aspects of immune function, including CTL‐mediated antiviral immunity, are modulated by neuroendocrine‐derived products. Corticosterone (CORT), an adrenal hormone produced at increased concentrations during a stress response, has been shown to play a role in impaired CTL responses in stressed animals, leading to high mortality in mice normally resistant to viral infection. While direct effects of neuroendocrine mediators on CTL have been studied, little is known about their effects on DC that are critical for CTL priming. Here, we found that physiologically relevant concentrations of CORT, acting via the glucocorticoid receptor, functionally compromise DC maturation. DC exposed to CORT remained phenotypically and functionally immature after stimulation with lipopolysaccharide and were impaired for the production of interleukin (IL)‐6, IL‐12, and tumour necrosis factor‐α. These effects were biologically significant, as CORT treatment resulted in a marked reduction in the ability of DC to prime naive CD8+ T cells in vivo. These findings offer a potential mechanism underlying stress‐associated immunosuppression.

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Crossref · 10.1111/j.1365-2567.2007.02637.x

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  • Glucocorticoids regulate dendritic cell maturation, survival, and motility and hamper their immunogenic functions, including restricting T cell stimulation by preventing up-regulation of MHCII, B7.2, and CD40.

    “In addition to regulating the maturation, survival, and motility of these antigen-presenting cells, GCs also hamper their immunogenic functions. Indeed, the end product of the HPA axis restricts the capacity of DCs to stimulate T cells by preventing the up-regulation of various co-stimulatory molecules, such as MHCII, B7.2 (CD86), and CD40 (33, 36, 37).”

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Authors
Elftman, M. D., Norbury, C. C., Bonneau, R. H., & Truckenmiller, M. E.
Affiliations
Pennsylvania State University (US)
Corresponding author
Truckenmiller, Mary E.
Venue
Immunology
Publisher
Wiley
Published
2007-05-10
Volume
122
Issue
2
Pages
279-290
ISSN
  • 0019-2805 (ISSN-L)
  • 1365-2567
OpenAlex
W1989268226
Cited by
79
References
50
Citations by year
2026: 2 · 2025: 2 · 2024: 4 · 2023: 2 · 2022: 1 · 2021: 5 · 2020: 4 · 2018: 3 · 2017: 1 · 2016: 4 · 2015: 1 · 2014: 5 · 2013: 9 · 2012: 3
FWCI
3.47
Type
journal article
Language
en
Open access
Locations
  • Immunology (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Pennsylvania State University
  • National Institutes of Health
  • National Cancer Institute (T32CA060395, 2T32 CA60395-11)
  • National Institute of Allergy and Infectious Diseases (AI49719, AI065702, R01AI049719, R01AI065702)
  • National Center for Research Resources (C06 RR 15428-01, C06RR015428)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotherapy and Immune Responses
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
Keywords
corticosterone, dendritic cell maturation, glucocorticoid receptor, CD8+ T cell priming, cytotoxic T lymphocytes, IL-12, interleukin-6, TNF-α, lipopolysaccharide, neuroendocrine-immune regulation, antiviral immunity
MeSH terms
Animals, Histocompatibility Antigens Class II, Antigens, Surface, Cell Differentiation, Cells, Cultured, Corticosterone, Dendritic Cells, Endocytosis, Immune Tolerance, Lipopolysaccharides, Male, Mice, Inbred C57BL, Receptors, Glucocorticoid, Up-Regulation, Cytokines, CD8-Positive T-Lymphocytes, Mice

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