Cited by 317Stress Responses and CortisolAdrenal Hormones and DisordersNeuropeptides and Animal Physiology

Pathophysiology of hypercortisolism in depression

Carroll, B. J., Cassidy, F., Naftolowitz, D., Tatham, N. E., Wilson, W. H., Iranmanesh, A., Liu, P. Y., Veldhuis, J. D.·2007·Acta Psychiatrica Scandinavica

Abstract

OBJECTIVE: The mechanisms mediating hypercortisolemia in depression remain controversial. Adopting the biomarker strategy, we studied adrenocorticotropin (ACTH) and cortisol dynamics in hypercortisolemic and non-hypercortisolemic depressed in-patients, and in normal volunteers. METHOD: Deconvolution analysis of 24-h pulsatile secretion, approximate entropy (ApEn) estimation of secretory regularity, cross-ApEn quantitation of forward and reverse ACTH-cortisol synchrony, and cosine regression of 24-h rhythmicity. RESULTS: Hypercortisolemia was strongly associated with melancholic and psychotic depressive subtypes. Hypercortisolemic patients had elevated ACTH and cortisol secretion, mediated chiefly by increased burst masses. Basal ACTH secretion was increased, ACTH half-life was reduced, and mean 24-h ACTH concentration was normal. Cortisol secretion was increased in a highly irregular pattern (high ApEn), with high ACTH --> cortisol cross-ApEn (impaired feedforward coupling). Cortisol-mediated feedback on the secretory pattern of ACTH was normal. Hypercortisolemic depressed patients had normal programming of the central hypothalamo-pituitary-adrenal (HPA) axis pulse generator: ACTH pulse frequency, cortisol pulse frequency, circadian acrophases, and ApEn of ACTH secretion were normal. Responsiveness of the adrenal cortex to endogenous ACTH was normal. Non-hypercortisolemic patients resembled hypercortisolemic patients on ACTH regulatory parameters but had low total cortisol secretion. CONCLUSION: Increased ACTH secretion occurs in depressed in-patients regardless of cortisolemic status, confirming central HPA axis overdrive in severe depression. Depressive hypercortisolemia results from an additional change in the adrenal cortex that causes ACTH-independent, disorderly basal cortisol release, a sign of physiological stress in melancholic/psychotic depression.

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Crossref · 10.1111/j.1600-0447.2007.00967.x

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  • Some depressives show reduced sensitivity to glucocorticoid fast feedback and/or to dexamethasone negative feedback, although these findings depend upon depressive subtype, being most common in melancholic and psychotic cases.

    “some depressives show reduced sensitivity to glucocorticoid “fast feedback” (Young et al. 1993) and/or to dexamethasone negative feedback (Carroll et al. 1981), although these findings depend upon depressive subtype, being most common in melancholic and psychotic cases (Carroll et al. 2007).”
  • Chronic conditions such as coronary artery disease, fibromyalgia, rheumatoid arthritis, Major Depressive Disorder, and Post Traumatic Stress Disorder are associated with abnormally high cortisol levels and metabolic disruptions.

    “chronic conditions such as coronary artery disease, fibromyalgia, rheumatoid arthritis, and mood disorders such as Major Depressive Disorder (MDD) and Post Traumatic Stress Disorder (PTSD) have also been associated with abnormally high CORT levels and metabolic disruptions ( 5-13 ).”
  • In hypercortisolism, cortisol levels are higher than normal and in some cases display abnormal rhythmicity, varying by underlying condition.

    “in hypercortisolism, it is not only that CORT levels are higher than normal, but in some cases, they also display abnormal rhythmicity. This varies depending on whether the underlying condition is associated with Cushing's syndrome, depression, PTSD, acute inflammation following major surgery, or chronic inflammatory diseases (e.g., rheumatoid arthritis) ( 2, 5-13, 57-60 ).”
  • Many conditions associated with hypercortisolism are accompanied by disruption of normal glucose metabolism while preserving some degree of cortisol rhythmicity.

    “many of these conditions are accompanied by a disruption of normal glucose metabolism while preserving some degree of CORT rhythmicity.”
  • The validation dataset included plasma ACTH and cortisol concentrations of 17 healthy subjects measured every 10 minutes for a 24-hour period.

    “To validate the models, we used a dataset by Carroll and colleagues which included plasma ACTH and cortisol concentrations of 17 healthy subjects (8). The datasets reported the concentrations every 10 minutes for a 24 hour period”

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Authors
Carroll, B. J., Cassidy, F., Naftolowitz, D., Tatham, N. E., Wilson, W. H., Iranmanesh, A., Liu, P. Y., & Veldhuis, J. D.
Affiliations
  • Duke Medical Center (US)
  • Salem VA Medical Center (US)
  • Mayo Clinic (US)
Corresponding author
Carroll, B. J.
Venue
Acta Psychiatrica Scandinavica
Publisher
Wiley
Published
2007-01-15
Volume
115
Issue
s433
Pages
90-103
ISSN
  • 0001-690X (ISSN-L)
  • 1600-0447
OpenAlex
W2129968987
Cited by
317
References
75
Citations by year
2026: 4 · 2025: 7 · 2024: 12 · 2023: 50 · 2022: 8 · 2021: 15 · 2020: 16 · 2019: 17 · 2018: 14 · 2017: 14 · 2016: 12 · 2015: 18 · 2014: 11 · 2013: 13 · 2012: 18
FWCI
8.79
Type
journal article
Language
en
Open access
closed
Locations
  • Acta Psychiatrica Scandinavica (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (5r01mh039593-10)
  • U.S. Public Health Service (M0100585)
  • National Institute of Mental Health (P30MH040159, P30 MH 40159)
  • National Institute of Diabetes and Digestive and Kidney Diseases (R01DK060717)
  • National Center for Research Resources (M01RR000030, M01 RR 30, M01RR000585)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (HD 2R01 MH-39593)
Topics
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Adrenal Hormones and Disorders
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
Keywords
hypercortisolism, depression, ACTH secretion, cortisol secretion, hypothalamic-pituitary-adrenal axis, pulsatile secretion, approximate entropy, endogenous depression, psychotic depression, circadian rhythm, stress response
MeSH terms
Adolescent, Adrenocorticotropic Hormone, Adult, Aged, Circadian Rhythm, Cushing Syndrome, Major Depressive Disorder, Electroencephalography, Female, Humans, Hypothalamo-Hypophyseal System, Male, Middle Aged, Pituitary-Adrenal System, Diagnostic and Statistical Manual of Mental Disorders

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