Cited by 131Neuroendocrine regulation and behaviorStress Responses and CortisolNeuropeptides and Animal Physiology

Sex-specific effects of stress on oxytocin neurons correspond with responses to intranasal oxytocin

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Steinman, Michael Q., Duque-Wilckens, Natalia, Greenberg, Gian D., Hao, Rebecca, Campi, Katharine L., Laredo, Sarah A., Laman-Maharg, Abigail, Manning, Claire E. +5 more·2016·Biological Psychiatry

Abstract

Background Oxytocin (OT) is considered to be a stress-buffering hormone, dampening the physiologic effects of stress. However, OT can also be anxiogenic. We examined acute and long-lasting effects of social defeat on OT neurons in male and female California mice.Methods We used immunohistochemistry for OT and c-fos cells to examine OT neuron activity immediately after defeat (n = 6-9) and 2 weeks (n = 6-9) and 10 weeks (n = 4-5) later. We quantified Oxt messenger RNA with quantitative polymerase chain reaction (n = 5-9). Intranasal OT was administered to naïve and stressed mice tested in social interaction and resident-intruder tests (n = 8-14).Results Acute exposure to a third episode of defeat increased OT/c-fos colocalizations in the paraventricular nucleus of both sexes. In the medioventral bed nucleus of the stria terminalis, defeat increased Oxt messenger RNA, total OT neurons, and OT/c-fos colocalizations in female mice but not male mice. Intranasal OT failed to reverse stress-induced social withdrawal in female mice and reduced social interaction behavior in female mice naïve to defeat. In contrast, intranasal OT increased social interaction in stressed male mice and reduced freezing in the resident-intruder test.Conclusions Social defeat induces long-lasting increases in OT production and OT/c-fos cells in the medioventral bed nucleus of the stria terminalis of female mice but not male mice. Intranasal OT largely reversed the effects of stress on behavior in male mice, but effects were mixed in female mice. These results suggest that changes in OT-sensitive networks contribute to sex differences in behavioral responses to stress.

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  1. [47]MacDonald K Feifel D 2014 Oxytocin’s role in anxiety: a critical appraisal Brain Res 1580 22 56 24468203

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Authors
Steinman, M. Q., Duque-Wilckens, N., Greenberg, G. D., Hao, R., Campi, K. L., Laredo, S. A., Laman-Maharg, A., Manning, C. E., Doig, I. E., Lopez, E. M., Walch, K., Bales, K. L., & Trainor, B. C.
Affiliations
University of California, Davis (US)
Corresponding author
Trainor, Brian C.
Venue
Biological Psychiatry
Publisher
Elsevier BV
Published
2016-09
Volume
80
Issue
5
Pages
406-414
ISSN
0006-3223 (ISSN-L)
OpenAlex
W2173794558
Cited by
131
References
49
Citations by year
2026: 4 · 2025: 10 · 2024: 9 · 2023: 11 · 2022: 10 · 2021: 24 · 2020: 15 · 2019: 14 · 2018: 17 · 2017: 9 · 2016: 7 · 2015: 1
FWCI
18.55
Type
journal article
Language
en
Open access
Locations
  • Biological Psychiatry (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Scholar Commons (Santa Clara University) (submittedVersion)
  • eScholarship (California Digital Library) (submittedVersion, cc-by-nc-nd)
Funders
  • National Institute on Alcohol Abuse and Alcoholism (T32AA007456)
  • National Institute of Mental Health (F31MH095253, R01MH085069)
Topics
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
Keywords
oxytocin, social defeat, stress, sex differences, oxytocin neurons, c-fos, paraventricular nucleus, bed nucleus of the stria terminalis, intranasal oxytocin, social interaction, social withdrawal, anxiety
MeSH terms
Administration, Intranasal, Animals, Disease Models, Animal, Female, Male, Neurons, Oxytocin, Paraventricular Hypothalamic Nucleus, RNA, Messenger, Sex Characteristics, Social Behavior, Stress, Psychological, Time Factors, Proto-Oncogene Proteins c-fos, Mice

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