Cited by 247Stress Responses and CortisolNeuropeptides and Animal PhysiologyMemory and Neural Mechanisms

The DOI matches its Crossref record; 62 of the 62 references it cites were found in a registry or an index.

The Impact of the Nonpeptide Corticotropin-Releasing Hormone Antagonist Antalarmin on Behavioral and Endocrine Responses to Stress**This research was supported by NIMH Grant MH-50479 and the Undergraduate Research Opportunities Program at the University of Colorado at Boulder.

Deak, Terrence, Nguyen, Kien T., Ehrlich, Andrea L., Watkins, Linda R., Spencer, Robert L., Maier, Steven F., Licinio, Julio, Wong, Ma-Li, Chrousos, George P., Webster, Elizabeth, Gold, Philip W.·1999·Endocrinology

Abstract

The nonpeptide CRH antagonist antalarmin has been shown to block both behavioral and endocrine responses to CRH. However, it's potential activity in blunting behavioral and endocrine sequelae of stressor exposure has not been assessed. Because antagonism of central CRH by alpha-helical CRH attenuates conditioned fear responses, we sought to test antalarmin in this regard. In addition, it remains unclear as to whether this is a result of receptor blockade during conditioning or during testing. Thus, we explored whether CRH mediates the induction or expression of conditioned fear (freezing in a context previously associated with 2 footshocks; 1.0 mA, 5 sec each). Furthermore, because rats previously exposed to inescapable shock (IS; 100 shocks, 1.6 mA, 5 sec each), demonstrate enhanced fear conditioning, we investigated whether this effect would be blocked by antalarmin. Antalarmin (20 mg/kg x 2 ml i.p.) impaired both the induction and expression of conditioned fear. In addition, antalarmin blocked the enhancement of fear conditioning produced by prior exposure to IS. Despite the marked behavioral effects observed in antalarmin-treated rats, antalarmin had no effect on IS-induced rises in ACTH or corticosterone. However, antalarmin did block the ACTH response produced by exposure to 2 footshocks.

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Crossref · 10.1210/endo.140.1.6415

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Research works printed but not linked: 7

  1. De Souza, 1995, Corticotropin-releasing factor: physiology, pharmacology and role in central nervous system and immune disorders., 505
  2. Sawchenko, 1990, Organization of CRF immunoreactive cells and fibers in the rat brain: immunohistochemical studies., 29
  3. Koob, 1990, Behavioral responses to stress-focus on corticotropin-releasing factor., 255
  4. Krahn, 1989, CRH: possible role in eating disorders., Psychiatry Med, 7, 235
  5. Chen, 1994, International Patient
  6. Davis, 1992, A neural systems approach to the study of the amygdala, fear, and anxiety., 45
  7. Weiss, 1985, Neurochemical mechanisms underlying stress-induced depression, 93

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Metadata

Authors
Deak, T., Nguyen, K. T., Ehrlich, A. L., Watkins, L. R., Spencer, R. L., Maier, S. F., Licinio, J., Wong, M.-L., Chrousos, G. P., Webster, E., & Gold, P. W.
Affiliations
  • Department of Psychology (T.D., K.T.N., A.L.E., L.R.W., R.L.S., S.F.M.), University of Colorado, Boulder, Colorado 80309-0345;
  • University of Colorado Boulder (US)
  • Clinical Neuroendocrinology Branch (J.L., M.-L.W., P.W.G.), National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland 20892-1284;
  • National Institutes of Health (US)
Venue
Endocrinology
Published
1999-01-01
Volume
140
Issue
1
Pages
79-86
ISSN
  • 0013-7227 (ISSN-L)
  • 1945-7170
OpenAlex
W2149878393
Cited by
242
References
59
Citations by year
2026: 2 · 2025: 1 · 2024: 5 · 2023: 4 · 2021: 2 · 2020: 5 · 2019: 7 · 2018: 2 · 2017: 2 · 2016: 4 · 2015: 4 · 2014: 9 · 2013: 5 · 2012: 8
FWCI
8.90
Type
journal article
Language
en
Open access
closed
Locations
  • Endocrinology (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of Mental Health (MH 50479)
Topics
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
Keywords
antalarmin, corticotropin-releasing factor, fear conditioning, freezing behavior, inescapable shock, stress, ACTH, corticosterone, stress response
MeSH terms
Adrenal Cortex Hormones, Adrenocorticotropic Hormone, Animals, Behavior, Animal, Conditioning, Operant, Corticotropin-Releasing Hormone, Electroshock, Escape Reaction, Fear, Male, Pituitary-Adrenal System, Pyrimidines, Pyrroles, Stress, Physiological, Rats, Sprague-Dawley, Receptors, Corticotropin-Releasing Hormone, Rats

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