Cited by 35Treatment of Major DepressionNeurotransmitter Receptor Influence on BehaviorStress Responses and Cortisol

Effects of diazepam, pentobarbital, scopolamine and the timing of saline injection on learned immobility in rats

De Pablo, Juan M., Ortiz-Caro, Javier, Sanchez-Santed, Fernando, Guillamón, Antonio·1991·Physiology & Behavior

Abstract

The rat forced-swimming test (FST) is widely used for screening substances with a potential antidepressant effect. Rat immobility shown in the FST has been interpreted as "behavioral despair" and has been suggested as an animal model of human depression. In the following series of experiments, it is shown that pentobarbital and scopolamine administered immediately after the first phase, and diazepam administered 15 minutes before the first phase, behave as false positives in the FST. It is concluded that the learning-memory hypothesis seems to cope better with the behavior of rats during the FST than the "behavioral despair" hypothesis. It is also shown that the sensitivity of the FST is affected by the fact that the last saline injection, one hour before the second phase, increases the animals' mobility.

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Crossref · 10.1016/0031-9384(91)90411-g

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30 of 30 references verified0 citation errors · 0 not checkable

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  • Antagonism of mAChRs or nAChRs, or blockade of ACh signaling through nAChRs with partial agonists, can decrease depression-like behavior in rodents.

    “Consistent with an increase in ACh leading to symptoms of depression, antagonism of mAChRs or nAChRs, or blockade of ACh signaling through nAChRs with partial agonists, can decrease depression-like behavior in rodents (Caldarone et al., 2004; De Pablo et al., 1991; Mineur et al., 2007; Picciotto et al., 2002; Rabenstein et al., 2006).”

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Authors
De Pablo, J. M., Ortiz-Caro, J., Sanchez-Santed, F., & Guillamón, A.
Affiliations
Universidad Nacional de Educación a Distancia (ES)
Corresponding author
Guillamón, Antonio
Venue
Physiology & Behavior
Publisher
Elsevier BV
Published
1991-11
Volume
50
Issue
5
Pages
895-899
ISSN
0031-9384 (ISSN-L)
OpenAlex
W2087698327
Cited by
35
References
31
Citations by year
2023: 3 · 2022: 2 · 2021: 2 · 2020: 1 · 2017: 2 · 2016: 4 · 2015: 1 · 2014: 2 · 2013: 3 · 2012: 2
FWCI
0.42
Type
journal article
Language
en
Open access
closed
Locations
  • Physiology & Behavior (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
Keywords
forced swim test, immobility, diazepam, pentobarbital, scopolamine, false positives, antidepressant screening, behavioral despair, depression model, rats
MeSH terms
Animals, Diazepam, Dose-Response Relationship, Drug, Escape Reaction, Helplessness, Learned, Male, Motor Activity, Pentobarbital, Rats, Inbred Strains, Mental Recall, Scopolamine, Swimming, Rats

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