Cited by 54Stress Responses and CortisolAdrenal Hormones and DisordersNeuropeptides and Animal Physiology

Effects of a novel corticotropin-releasing-hormone receptor type I antagonist on human adrenal function

Willenberg, H S, Bornstein, S R, Hiroi, N, Päth, G, Goretzki, P E, Scherbaum, W A, Chrousos, G P·2000·Molecular Psychiatry

Abstract

Corticotropin-releasing hormone (CRH) is the principal regulator of the hypothalamic-pituitary-adrenal (HPA) axis and an activator of the sympathoadrenal (SA) and systemic sympathetic (SS) systems. Mental disorders, including major depression and, more recently, Alzheimer's disease have been associated with dysregulation of the HPA axis and the SA/SS systems. Treatment of rats or monkeys with the novel CRH receptor type 1 (CRH-R1) antagonist antalarmin inhibits the HPA and/or the SA/SS axes. This is the first study to examine the potential direct effect of antalarmin on human adrenal function. Adrenocortical and adrenomedullary cells were characterized by double-immunohistochemistry with anti-17 alpha hydroxylase (cortical cells) and anti-chromogranin A (chromaffin cells). Expression of CRH, ACTH, CRH type I and type II receptor mRNA were analyzed by reverse-transcription (RT) PCR. Human adrenal cortical and/or chromaffin cells in co-culture were incubated with CRH, antalarmin, and both CRH and antalarmin in vitro. Exposure of these cells to corticotropin or vehicle medium served as positive and negative controls, respectively. Cortical and chromaffin tissues were interwoven in the human adrenals, and both in situ and in the co-culture system the endocrine cell types were in close cellular contact. ACTH, CRH, and CRH-R1 and CRH-R2 mRNAs were expressed in the human adrenal as determined by RT-PCR. CRH (10-8 M) led to a moderate increase of cortisol release (145.7 +/- 20.0%) from cortical and chromaffin adrenal cells in co-culture. This effect corresponded to 41.8% of the maximal increase induced by ACTH (10-8 M). The action of CRH was completely inhibited by antalarmin. CRH, ACTH, and both CRH-R1 and CRH-R2 mRNAs are expressed in the adult human adrenal gland. CRH stimulates cortisol production in cortical and chromaffin cell co-cultures. This effect is blocked by antalarmin, a selective CRH-R1 receptor antagonist, suggesting that CRH-R1 receptors are involved in an intraadrenal CRH/ACTH control system in humans.

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Crossref · 10.1038/sj.mp.4000720

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Authors
Willenberg, H. S., Bornstein, S. R., Hiroi, N., Päth, G., Goretzki, P. E., Scherbaum, W. A., & Chrousos, G. P.
Affiliations
  • Heinrich Heine University Düsseldorf (DE)
  • National Institutes of Health (US)
  • Düsseldorf University Hospital (DE)
Corresponding author
Bornstein, S R
Venue
Molecular Psychiatry
Published
2000-03-01
Volume
5
Issue
2
Pages
137-141
ISSN
  • 1359-4184 (ISSN-L)
  • 1476-5578
OpenAlex
W2041636498
Cited by
54
References
41
Citations by year
2026: 1 · 2025: 2 · 2024: 1 · 2021: 1 · 2019: 2 · 2018: 1 · 2015: 1 · 2013: 1 · 2012: 1
FWCI
2.32
Type
journal article
Language
en
Open access
closed
Locations
  • Molecular Psychiatry (publishedVersion)
  • PubMed (publishedVersion)
  • Site cant be reached (submittedVersion)
Funders
National Cancer Institute
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
corticotropin-releasing factor, CRH receptor type 1, antalarmin, human adrenal gland, adrenal cortex, chromaffin cells, cortisol secretion, ACTH, hypothalamic-pituitary-adrenal axis, major depressive disorder, Alzheimer's disease
MeSH terms
CRF Receptor, Type 1, Adrenal Cortex, Adrenal Medulla, Adrenocorticotropic Hormone, Adult, Animals, Haplorhini, Cell Line, Cells, Cultured, Corticotropin-Releasing Hormone, Gene Expression Regulation, Humans, Hydrocortisone, Pituitary Gland, Pyrimidines, Pyrroles, Transcription, Genetic, Receptors, Corticotropin-Releasing Hormone, Coculture Techniques, Chromaffin Cells, Reverse Transcriptase Polymerase Chain Reaction, Rats

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