Cited by 76Neurotransmitter Receptor Influence on BehaviorTreatment of Major DepressionStress Responses and Cortisol

Brain monoamine receptors in a chronic unpredictable stress model in rats

Ossowska, G., Nowak, G., Kata, R., Klenk-Majewska, B., Danilczuk, Z., Żebrowska-Łupina, I.·2001·Journal of Neural Transmission

Abstract

Antidepressant drugs are devoid of mood-elevating effects in normal (non-depressed) human subjects, thus, it is necessary to evaluate the antidepressant property of compounds (drugs) in animal models of depression. Several animal models of depression have been introduced, however, only a few have been extensively validated. In the present study we report the results of investigations into monoaminergic receptors in the brain of rats subjected to chronic unpredictable stress (CUS) procedure (one of the well validated animal models of depression). We have examined the dopaminergic (D-1, D-2), adrenergic (alpha-1, beta-1) and serotonergic (5HT-1A, 5HT-2A) receptors in different brain regions by a saturation radioligand binding method in rats subjected to CUS paradigm and control animals. CUS procedure resulted in a significant 29% increase in the D-1 receptor density in the limbic system and 52% increase of the density of 5HT-2A receptors in the cerebral cortex. The present data indicate that the increase of the density of brain D-1 and 5HT-2A receptors of rats subjected to CUS might be involved in the pathophysiology of "animal depression" (since chronic antidepressant treatment produced opposite changes i.e. decrease in the density of these receptors) and thus in pathophysiology of human depression.

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Crossref · 10.1007/s007020170077

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Authors
Ossowska, G., Nowak, G., Kata, R., Klenk-Majewska, B., Danilczuk, Z., & Żebrowska-Łupina, I.
Affiliations
  • Medical University of Lublin (PL)
  • Maj Institute of Pharmacology (PL)
  • Jagiellonian University (PL)
Venue
Journal of Neural Transmission
Published
2001-03-20
Volume
108
Issue
3
Pages
311-319
ISSN
  • 0300-9564 (ISSN-L)
  • 1435-1463
OpenAlex
W2006608223
Cited by
76
References
38
Citations by year
2026: 2 · 2024: 2 · 2023: 3 · 2022: 1 · 2021: 6 · 2020: 5 · 2019: 2 · 2018: 3 · 2017: 2 · 2014: 4 · 2013: 2 · 2012: 6
FWCI
1.11
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Neural Transmission (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
Keywords
chronic unpredictable mild stress, animal models of depression, monoamine receptors, dopamine D1 receptor, 5-HT2A receptor, serotonin receptors, adrenergic receptors, receptor density, limbic system, cerebral cortex, antidepressant treatment, depression pathophysiology
MeSH terms
Adrenergic Agonists, Animals, Brain, Brain Chemistry, Chronic Disease, Depression, Disease Models, Animal, Male, Neurons, Radioligand Assay, Receptors, Adrenergic, alpha, Receptors, Adrenergic, beta, Receptors, Serotonin, Stress, Physiological, Biogenic Monoamines, Rats, Wistar, Serotonin Receptor Agonists, Receptors, Dopamine D1, Receptors, Dopamine D2, Receptors, Neurotransmitter, Dopamine Agonists, Receptors, Serotonin, 5-HT1, Receptor, Serotonin, 5-HT2A, Rats

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