Cited by 40Neurotransmitter Receptor Influence on BehaviorMemory and Neural MechanismsTreatment of Major Depression

Dopaminergic mechanisms in memory consolidation and antidepressant reversal of a chronic mild stress-induced cognitive impairment`

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Papp, Mariusz, Gruca, Piotr, Lason-Tyburkiewicz, Magdalena, Litwa, Ewa, Niemczyk, Monika, Tota-Glowczyk, Katarzyna, Willner, Paul·2017·Psychopharmacology

Abstract

Cognitive deficits in depression can be modelled using the novel object recognition (NOR) test, performance in which is impaired by chronic mild stress (CMS). We aimed to examine the involvement of mesocorticolimbic DA terminal regions, and to establish the substrate for CMS-induced impairment of NOR and its reversal by chronic antidepressant treatment. In experiments 1 and 2, we examined the effect of infusions into medial PFC, dorsal hippocampus (HPC), and nucleus accumbens (NAc) shell of D1 and D2 antagonists and D3 agonist, which were predicted to impair NOR with a short (1 h) delay, and of D1 and D2 agonists and D3 antagonist, which were predicted to facilitate NOR with a long (24 h) delay. Using optimal doses identified in experiment 2, in experiments 3 and 4, we examined effects on drug-stimulated NOR of CMS and chronic treatment with venlafaxine (VFX) or risperidone (RSP). We found a wide involvement of DA systems in memory for NOR: D1 receptors in PFC, HPC, and NAc; D3 receptors in PFC and HPC; and D2 receptors in PFC. CMS impaired D2- and D3-mediated effects in PFC and HPC; antidepressants rescued those effects in PFC but not HPC. The involvement of DA in NOR is multifaceted, but the effects of CMS and antidepressants are more discrete, involving D2 and D3 receptors in PFC specifically. While raising many difficult questions, these results suggest that the D2 and D3 receptors in the medial PFC may be an important substrate for cognitive deficits in depression and their remediation.

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Authors
Papp, M., Gruca, P., Lason-Tyburkiewicz, M., Litwa, E., Niemczyk, M., Tota-Glowczyk, K., & Willner, P.
Affiliations
  • Maj Institute of Pharmacology (PL)
  • Swansea University (GB)
Corresponding author
Papp, Mariusz
Venue
Psychopharmacology
Published
2017-05-31
Volume
234
Issue
17
Pages
2571-2585
ISSN
  • 0033-3158 (ISSN-L)
  • 1432-2072
OpenAlex
W2616931289
Cited by
40
References
135
Citations by year
2026: 1 · 2024: 2 · 2023: 2 · 2022: 5 · 2021: 5 · 2020: 12 · 2019: 7 · 2018: 6
FWCI
3.35
Type
journal article
Language
en
Open access
Locations
  • Psychopharmacology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
National Science Centre (NCN) (2013/09/B/NZ7/04098)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
Keywords
dopaminergic mechanisms, memory consolidation, chronic mild stress, cognitive impairment, depression, novel object recognition, medial prefrontal cortex, dorsal hippocampus, nucleus accumbens shell, dopamine D1 receptor, dopamine D2 receptor, dopamine D3 receptor, venlafaxine, risperidone
MeSH terms
Memory Consolidation, Animals, Antidepressive Agents, Depression, Hippocampus, Male, Nucleus Accumbens, Stress, Psychological, Rats, Wistar, Prefrontal Cortex, Receptors, Dopamine D1, Receptors, Dopamine D2, Dopamine Agonists, Dopamine Antagonists, Cognitive Dysfunction

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