Cited by 115Stress Responses and CortisolAdrenal Hormones and DisordersEstrogen and related hormone effects

New insights into corticosteroid-binding globulin and glucocorticoid delivery

Henley, D.E., Lightman, S.L.·2011·Neuroscience

Abstract

Corticosteroid-binding globulin (CBG) binds cortisol with high affinity and facilitates its transport in the blood. A recent discovery suggests that CBG may have a role beyond that of a simple transport carrier protein. CBG functions as a protein thermocouple that is exquisitely sensitive to temperature change, releasing cortisol in response to increasing temperatures within the human physiological range. It is also expressed in the human hypothalamus and cerebrospinal fluid, while in the rodent it is also found in other intracellular neuronal locations, suggesting a role in regulating access of glucocorticoids to their receptors in the CNS. Genetic variants of CBG have been detected in man and have been associated with fatigue-pain syndromes and hypotension, again suggesting a potential effect of CBG on the access of cortisol to brain glucocorticoid receptors. These new findings provide the basis for a novel concept of the mechanisms through which the body regulates access of glucocorticoids to the brain and other tissues of the body.

Integrity signals

Registry

Crossref · 10.1016/j.neuroscience.2011.02.053

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  • Corticosteroid-binding globulin binds up to 90% of circulating glucocorticoids, and free circulating glucocorticoids are usually about 5%.

    “CBG is a thermosensitive glycoprotein that binds up to 90% of circulating GCs in the bloodstream. The remaining 10% may also be associated to serum albumin. In consequence, the levels of free circulating GCs are usually about 5% (66, 67).”

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Authors
Henley, D. E., & Lightman, S. L.
Affiliations
  • The University of Western Australia (AU)
  • University of Bristol (GB)
Corresponding author
Lightman, S.L.
Venue
Neuroscience
Publisher
Elsevier BV
Published
2011-04
Volume
180
Pages
1-8
ISSN
0306-4522 (ISSN-L)
OpenAlex
W1967090449
Cited by
115
References
92
Citations by year
2026: 4 · 2025: 5 · 2024: 4 · 2023: 4 · 2022: 2 · 2021: 7 · 2020: 3 · 2019: 7 · 2018: 8 · 2017: 5 · 2016: 14 · 2015: 9 · 2014: 13 · 2013: 10 · 2012: 15
FWCI
1.19
Type
journal article
Language
en
Open access
closed
Locations
  • Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • Explore Bristol Research (publishedVersion)
  • UWA Profiles and Research Repository (UWA) (submittedVersion)
Topics
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Adrenal Hormones and Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Estrogen and related hormone effects
Keywords
corticosteroid-binding globulin, cortisol, glucocorticoid delivery, hypothalamus, cerebrospinal fluid, glucocorticoid receptor, genetic variants, hypotension
MeSH terms
Animals, Glucocorticoids, Humans, Transcortin

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