Cited by 237Neurotransmitter Receptor Influence on BehaviorTreatment of Major DepressionStress Responses and Cortisol

Reversal of stress-induced anhedonia by the atypical antidepressants, fluoxetine and maprotiline

Muscat, Richard, Papp, Mariusz, Willner, Paul·1992·Psychopharmacology

Abstract

Chronic exposure to mild unpredictable stress has previously been found to depress the consumption of palatable sweet solutions. In the present study this effect was reversed by chronic (9 weeks) treatment with the atypical antidepressants, fluoxetine and maprotiline (5 mg/kg/day); the non-antidepressant chlordiazepoxide was ineffective. Stressed animals were also subsensitive to food reward in the place conditioning procedure; however, fluoxetine and maprotiline treated animals showed normal place preference conditioning. Acute pretreatment with raclopride (100 micrograms/kg) selectively reversed the recovery of sucrose drinking in antidepressant-treated stressed animals. These results extend previous reports of the efficacy of tricyclic antidepressants in this paradigm, and support the hypothesis of a dopaminergic mechanism of antidepressant action.

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Crossref · 10.1007/bf02247719

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38 of 38 references verified0 citation errors · 0 not checkable

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  • Chronic and sequential exposure of rats or mice to a mild stress regimen causes decreases in responsiveness to rewards, including decreased consumption of and preference for sucrose solutions and decreased rewarding properties of pharmacological and natural rewards in the place preference paradigm.

    “In particular, Willner and colleagues originally reported that chronic and sequential exposure of rats or mice to a mild stress regimen caused decreases in responsiveness to rewards [190,191], commonly reported as a decrease in the consumption of and preference for sucrose solutions, and a decrease in the rewarding properties of pharmacological and natural rewards in the place preference behavior”

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Authors
Muscat, R., Papp, M., & Willner, P.
Venue
Psychopharmacology
Published
1992-12
Volume
109
Issue
4
Pages
433-438
ISSN
  • 0033-3158 (ISSN-L)
  • 1432-2072
OpenAlex
W2085836426
Cited by
237
References
38
Citations by year
2025: 2 · 2023: 2 · 2022: 5 · 2021: 4 · 2020: 2 · 2019: 4 · 2018: 2 · 2017: 2 · 2016: 11 · 2015: 9 · 2014: 14 · 2013: 12 · 2012: 18
FWCI
2.45
Type
journal article
Language
en
Open access
closed
Locations
  • Psychopharmacology (publishedVersion)
  • PubMed (publishedVersion)
Funders
Eli Lilly and Company
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
fluoxetine, maprotiline, atypical antidepressants, unpredictable stress, sucrose intake, food reward, place conditioning, chlordiazepoxide, raclopride, tricyclic antidepressants
MeSH terms
Animals, Chlordiazepoxide, Conditioning, Operant, Dopamine, Eating, Feeding Behavior, Fluoxetine, Food, Male, Maprotiline, Reward, Stress, Psychological, Sucrose, Antidepressive Agents, Second-Generation, Rats

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