Cited by 189Neuroendocrine regulation and behaviorMemory and Neural MechanismsNeuropeptides and Animal Physiology

Brain oxytocin in social fear conditioning and its extinction: involvement of the lateral septum

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Zoicas, Iulia, Slattery, David A, Neumann, Inga D·2014·Neuropsychopharmacology

Abstract

Central oxytocin (OXT) has anxiolytic and pro-social properties both in humans and rodents, and has been proposed as a therapeutic option for anxiety and social dysfunctions. Here, we utilized a mouse model of social fear conditioning (SFC) to study the effects of OXT on social fear, and to determine whether SFC causes alterations in central OXT receptor (OXTR) binding and local OXT release. Central infusion of OXT, but not arginine vasopressin, prior to social fear extinction training completely abolished social fear expression in an OXTR-mediated fashion without affecting general anxiety or locomotion. SFC caused increased OXTR binding in the dorso-lateral septum (DLS), central amygdala, dentate gyrus, and cornu ammunis 1, which normalized after social fear extinction, suggesting that these areas form part of a brain network involved in the development and neural support of social fear. Microdialysis revealed that the increase in OXT release observed in unconditioned mice within the DLS during social fear extinction training was attenuated in conditioned mice. Consequently, increasing the availability of local OXT by infusion of OXT into the DLS reversed social fear. Thus, alterations in the brain OXT system, including altered OXTR binding and OXT release within the DLS, play an important role in SFC and social fear extinction. Thus, we suggest that the OXT system is adversely affected in disorders associated with social fear, such as social anxiety disorder and reinstalling an appropriate balance of the OXT system may alleviate some of the symptoms.

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Authors
Zoicas, I., Slattery, D. A., & Neumann, I. D.
Affiliations
University of Regensburg (DE)
Corresponding author
Neumann, Inga D
Venue
Neuropsychopharmacology
Published
2014-06-26
Volume
39
Issue
13
Pages
3027-3035
ISSN
  • 0893-133X (ISSN-L)
  • 1740-634X
OpenAlex
W1999269819
Cited by
189
References
56
Citations by year
2026: 8 · 2025: 14 · 2024: 20 · 2023: 10 · 2022: 13 · 2021: 19 · 2020: 17 · 2019: 15 · 2018: 18 · 2017: 16 · 2016: 20 · 2015: 17 · 2014: 2
FWCI
27.20
Type
journal article
Language
en
Open access
Locations
  • Neuropsychopharmacology (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • University of Regensburg Publication Server (University of Regensburg) (submittedVersion)
Topics
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
Keywords
oxytocin, lateral septum, oxytocin release, vasopressin, central amygdala, dentate gyrus, cornu ammonis, social anxiety disorder, anxiolytic effects
MeSH terms
Analysis of Variance, Animals, Arginine Vasopressin, Autoradiography, Conditioning, Psychological, Electric Stimulation, Extinction, Psychological, Fear, Locomotion, Male, Ornipressin, Oxytocin, Protein Binding, Septal Nuclei, Time Factors, Microdialysis, Receptors, Oxytocin, Maze Learning, Mice

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