Cited by 257Stress Responses and CortisolSleep and Wakefulness ResearchGrowth Hormone and Insulin-like Growth Factors

Effects of Intravenous Corticotropin-Releasing Hormone upon Sleep-Related Growth Hormone Surge and Sleep EEG in Man

Holsboer, Florian, von Bardeleben, U., Steiger, Axel·2008·Neuroendocrinology

Abstract

Corticotropin-releasing hormone (CRH) plays a key role in coordinating neuroendocrine, metabolic and behavioral responses in stress and affective disorders. To further investigate the effects of enhanced pituitary-adrenocortical activity upon sleep-related phenomena we administered four intravenous injections of 50 µg human (h)-CRH or saline to 11 normal males at 10 p.m., 11 p.m., 12 p.m. and 1 a.m. and measured plasma levels of cortisol and growth hormone (GH) as well as sleep EEG recordings throughout the night. Treatment with h-CRH resulted in a significant increase of mean (± SEM) cortisol secretion between 11 p.m. and 3 a.m. (h-CRH: 100.6 + 9.5 ng/ml; saline: 39.0 ± 1.5 ng/ml; p < 0.01). This initial cortisol increase after repeated h-CRH stimulations was followed by a period of attenuated plasma cortisol between 3 and 7 a.m. (h-CRH: 70.3 + 7.0 ng/ml; saline: 115.5 ± 8.0 ng/ml; p < 0.01). Cortisol surges after h-CRH were associated with a significant blunting of sleep-related GH release expressed as areas under concentration curves (h-CRH: 1.245 ± 0.32 ng/ml/min · 103; saline: 2.462 + 0.92 ng/ml/min· 103, p < O.01). In addition to these hormonal effects, h-CRH induced a decrease of REM and slow wave sleep (stages III and IV) while the amount of more shallow sleep (stages I and II)increased. These effects upon sleep structure were more pronounced during the second part of the night. We conclude that h-CRH induces effects in healthy humans (GH blunting and SWS reduction) which resemble those seen among hypercortisolemic depressives and surmise that CRH plays a role to mediate endocrine as well as behavioral phenomena in the affective disorders.

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Crossref · 10.1159/000124986

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  • There is strong evidence that elevated CRH tone increases sleep EEG frequency, thereby decreasing SWS, and increasing light sleep and wakefulness.

    “there is in turn strong evidence that elevated CRH tone increases sleep EEG frequency, thereby decreasing SWS, and increasing light sleep and wakefulness [94].”

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Authors
Holsboer, F., von Bardeleben, U., & Steiger, A.
Affiliations
Johannes Gutenberg University Mainz (DE)
Venue
Neuroendocrinology
Publisher
S. Karger AG
Published
2008-04-02
Volume
48
Issue
1
Pages
32-38
ISSN
  • 0028-3835 (ISSN-L)
  • 1423-0194
OpenAlex
W2040727780
Cited by
255
References
0
Citations by year
2026: 1 · 2025: 2 · 2024: 7 · 2023: 2 · 2022: 6 · 2021: 11 · 2020: 3 · 2019: 3 · 2018: 1 · 2017: 3 · 2016: 3 · 2015: 6 · 2014: 7 · 2013: 6 · 2012: 2
FWCI
5.66
Type
journal article
Language
en
Open access
closed
Locations
  • Neuroendocrinology (publishedVersion)
  • PubMed (publishedVersion)
Funders
Deutsche Forschungsgemeinschaft
Topics
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Growth Hormone and Insulin-like Growth Factors
Keywords
corticotropin-releasing factor, cortisol secretion, sleep EEG, REM sleep, slow-wave sleep, sleep architecture, growth hormone secretion, circadian rhythm
MeSH terms
Adult, Corticotropin-Releasing Hormone, Electroencephalography, Humans, Injections, Intravenous, Male, Pituitary-Adrenal System, Sleep, Growth Hormone

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