Cited by 25Neuroendocrine regulation and behaviorNeuropeptides and Animal PhysiologyOlfactory and Sensory Function Studies

WAY 267,464, a non-peptide oxytocin receptor agonist, impairs social recognition memory in rats through a vasopressin 1A receptor antagonist action

Hicks, Callum, Ramos, Linnet, Reekie, Tristan A., Narlawar, Rajeshwar, Kassiou, Michael, McGregor, Iain S.·2015·Psychopharmacology

Abstract

Rationale Recent in vitro studies suggest that the oxytocin receptor (OTR) agonist WAY 267,464 has vasopressin 1A receptor (V1AR) antagonist effects. This might limit its therapeutic potential due to the positive involvement of the V1AR in social behavior.Objectives The objective of this study was to assess functional V1AR antagonist-like effects of WAY 267,464 in vivo using a test of social recognition memory.Methods Adult experimental rats were tested for their recognition of a juvenile conspecific rat that they had briefly met 30 or 120 min previously. The modulatory effects of vasopressin (AVP), the selective V1AR antagonist SR49059, and WAY 267,464 were examined together with those of the selective OTR antagonist Compound 25 (C25). Drugs were administered immediately after the first meeting.Results Control rats showed recognition of juveniles at a 30 min, but not a 120 min retention interval. AVP (0.005, but not 0.001 mg/kg intraperitoneal (i.p.)) improved memory such that recognition was evident after 120 min. This was prevented by pretreatment with SR49059 (1 mg/kg) and WAY 267,464 (10, 30, and 100 mg/kg). Given alone, SR49059 (1 mg/kg) and WAY 267,464 (30 and 100 mg/kg) impaired memory at a 30 min retention interval. The impairment with WAY 267,464 was not prevented by C25 (5 mg/kg), suggesting V1AR rather than OTR mediation of the effect. Given alone, C25 also impaired memory.Conclusions These results highlight a tonic role for endogenous AVP (and oxytocin) in social recognition memory and indicate that WAY 267,464 functions in vivo as a V1AR antagonist to prevent the memory-enhancing effects of AVP.

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Crossref · 10.1007/s00213-015-3902-5

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Authors
Hicks, C., Ramos, L., Reekie, T. A., Narlawar, R., Kassiou, M., & McGregor, I. S.
Affiliations
The University of Sydney (AU)
Corresponding author
McGregor, Iain S.
Venue
Psychopharmacology
Published
2015-03-13
Volume
232
Issue
15
Pages
2659-2667
ISSN
  • 0033-3158 (ISSN-L)
  • 1432-2072
OpenAlex
W2059896300
Cited by
23
References
48
Citations by year
2022: 1 · 2021: 3 · 2020: 3 · 2019: 3 · 2018: 3 · 2017: 3 · 2016: 5 · 2015: 1
FWCI
6.54
Type
journal article
Language
en
Open access
closed
Locations
  • Psychopharmacology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Australian Research Council
  • National Health and Medical Research Council
Topics
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
  • Life Sciences › Neuroscience › Sensory Systems › Olfactory and Sensory Function Studies
Keywords
oxytocin receptor agonists, vasopressin 1a receptor, V1a receptor antagonist, social recognition memory, vasopressin, social behavior, oxytocin receptor antagonist, memory enhancement
MeSH terms
Animals, Behavior, Animal, Benzodiazepines, Indoles, Male, Pyrazoles, Pyrrolidines, Social Behavior, Vasopressins, Rats, Wistar, Receptors, Oxytocin, Recognition, Psychology, Rats, Antidiuretic Hormone Receptor Antagonists

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