Cited by 307Treatment of Major DepressionNeuroscience and Neuropharmacology ResearchStress Responses and Cortisol

Acute Stress-induced Changes in Hippocampal/Prefrontal Circuits in Rats: Effects of Antidepressants

Rocher, C.·2004·Cerebral Cortex

Abstract

Acute stress inhibits long-term potentiation (LTP) at synapses from the hippocampus to prefrontal cortex in the rat, a model of the dysfunction in the anterior cingulate/orbitofrontal cortices which has been observed in human depression. We demonstrate that the antidepressants tianeptine and, to a lesser extent, fluoxetine, are able to reverse the impairment in LTP, a measure of frontal synaptic plasticity, caused by stress on an elevated platform. LTP was induced by stimulation of hippocampal outflow. Beneficial effects on neuronal plasticity, defined as a reversal of the effects of stress in this paradigm, can be considered as a new animal model for the impact of stress on hippocampal/frontal circuits, a key target in psychiatric diseases.

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Crossref · 10.1093/cercor/bhg122

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Authors
Rocher, C.
Affiliations
Université Paris-Sud (FR)
Corresponding author
Rocher, C.
Venue
Cerebral Cortex
Published
2004-02-01
Volume
14
Issue
2
Pages
224-229
ISSN
  • 1047-3211 (ISSN-L)
  • 1460-2199
OpenAlex
W2037434120
Cited by
307
References
6
Citations by year
2026: 3 · 2025: 5 · 2024: 4 · 2023: 4 · 2022: 7 · 2021: 13 · 2020: 14 · 2019: 6 · 2018: 10 · 2017: 12 · 2016: 15 · 2015: 23 · 2014: 16 · 2013: 20 · 2012: 19
FWCI
10.10
Type
journal article
Language
en
Open access
closed
Locations
  • Cerebral Cortex (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Institut National de la Santé et de la Recherche Médicale
  • Centre National de la Recherche Scientifique
  • Servier
Topics
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
Keywords
acute stress, hippocampus, prefrontal cortex, long-term potentiation, synaptic plasticity, antidepressants, tianeptine, fluoxetine, depression, elevated platforms, animal models of depression
MeSH terms
Acute Disease, Animals, Fluoxetine, Hippocampus, Injections, Intraperitoneal, Male, Neural Inhibition, Neural Pathways, Stress, Physiological, Thiazepines, Rats, Sprague-Dawley, Prefrontal Cortex, Long-Term Potentiation, Rats

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