Cited by 81Stress Responses and CortisolAdrenal Hormones and DisordersCircadian rhythm and melatonin

Endogenous glucocorticoid receptor signaling drives rhythmic changes in human T-cell subset numbers and the expression of the chemokine receptor CXCR4

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Besedovsky, Luciana, Born, Jan, Lange, Tanja·2014·The FASEB Journal

Abstract

In humans, numbers of circulating naive T cells strongly decline in the morning, which was suggested to be mediated by cortisol, inducing a CXCR4 up‐regulation with a subsequent extravasation of the cells. As a systematic evaluation of this assumption is lacking, we investigated in two human placebo‐controlled studies the effects of the glucocorticoid receptor (GR) antagonist mifepristone (200 mg orally at 23:00) and of suppressing endogenous cortisol with metyrapone (1 g orally at 04:00) on temporal changes in CXCR4 expression and numbers of different T‐cell subsets using flow cytometry. Mifepristone attenuated, and metyrapone completely blocked, the morning increase in CXCR4 expression on naive T cells. In parallel, both substances also hindered the decline in naive T‐cell numbers with this effect, however, being less apparent after mifepristone. We identified, and confirmed in additional in vitro studies, a partial agonistic GR effect of mifepristone at night ( i.e., between 02:00 and 03:30) that could explain the lower antagonistic efficacy of the substance on CXCR4 expression and naive T‐cell counts. CXCR4 expression emerged to be a most sensitive marker of GR signaling. Our studies jointly show that endogenous cortisol, specifically via GR activation, causes the morning increase in CXCR4 expression and the subsequent extravasation of naive T cells, thus revealing an important immunological function of the morning cortisol rise.—Besedovsky, L., Born, J., Lange, T. Endogenous glucocorticoid receptor signaling drives rhythmic changes in human T‐cell subset numbers and the expression of the chemokine receptor CXCR4. FASEB J . 28, 67–75 (2014). www.fasebj.org

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  • Glucocorticoids reduce circulating T cells by enhancing their migration to bone marrow and secondary lymphoid organs and trigger T cell apoptosis through up-regulation of BIM.

    “In contrast to neutrophils, GCs reduce the levels of circulating T cells by enhancing their migration back to the bone-marrow and secondary lymphoid organs (47, 48). GCs also trigger T cells apoptosis, notably through the up-regulation of BIM (49, 50).”

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Authors
Besedovsky, L., Born, J., & Lange, T.
Affiliations
  • University of Tübingen (DE)
  • Department of Medical Psychology and Behavioral Neurobiology University of Tübingen Tübingen Germany
Corresponding author
Lange, Tanja
Venue
The FASEB Journal
Publisher
Wiley
Published
2013-09-19
Volume
28
Issue
1
Pages
67-75
ISSN
  • 0892-6638 (ISSN-L)
  • 1530-6860
OpenAlex
W2057573148
Cited by
81
References
57
Citations by year
2026: 2 · 2025: 9 · 2024: 4 · 2023: 7 · 2022: 10 · 2021: 8 · 2020: 7 · 2019: 11 · 2018: 3 · 2017: 8 · 2016: 6 · 2015: 2 · 2014: 4
FWCI
1.82
Type
journal article
Language
en
Open access
Locations
  • The FASEB Journal (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
Universität zu Lübeck (H02‐2012)
Topics
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Adrenal Hormones and Disorders
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Circadian rhythm and melatonin
Keywords
glucocorticoid receptor signaling, cortisol, circadian rhythm, naive T cells, CXCR4, mifepristone, metyrapone, T cell subsets, T cell extravasation
MeSH terms
Adult, Circadian Rhythm, Female, Flow Cytometry, Humans, Hydrocortisone, Male, Metyrapone, Receptors, Glucocorticoid, Signal Transduction, Mifepristone, T-Lymphocyte Subsets, Receptors, CXCR4, Chemokine CXCL12, Young Adult

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