Cited by 150Neuroendocrine regulation and behaviorNeuropeptides and Animal PhysiologyStress Responses and Cortisol

Neonatal oxytocin manipulations have long-lasting, sexually dimorphic effects on vasopressin receptors

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Bales, K.L., Plotsky, P.M., Young, L.J., Lim, M.M., Grotte, N., Ferrer, E., Carter, C.S.·2007·Neuroscience

Abstract

Developmental exposure to oxytocin (OT) or oxytocin antagonists (OTAs) has been shown to cause long-lasting and often sexually dimorphic effects on social behaviors in prairie voles (Microtus ochrogaster). Because regulation of social behavior in monogamous mammals involves central receptors for OT, arginine vasopressin (AVP), and dopamine, we examined the hypothesis that the long-lasting, developmental effects of exposure to neonatal OT or OTA might reflect changes in the expression of receptors for these peptides. On postnatal day 1, prairie voles were injected intraperitoneally with either OT (1 mg/kg), an OTA (0.1 mg/kg), saline vehicle, or were handled only. At approximately 60 days of age, vasopressin V1a receptors, OT receptors (OTR) and dopamine D2 receptor binding were quantified using receptor autoradiography in brain tissue taken from males and females. Significant treatment effects on V1a binding were found in the bed nucleus of the stria terminalis (BNST), cingulate cortex (CgCtx), mediodorsal thalamus (MdThal), medial preoptic area of the hypothalamus (MPOA), and lateral septum (LS). The CgCtx, MPOA, ventral pallidum, and LS also showed significant sex by treatment interactions on V1a binding. No significant treatment or sex differences were observed for D2 receptor binding. No significant treatment difference was observed for OTR receptor binding, and only a marginal sex difference. Changes in the neuropeptide receptor expression, especially the V1a receptor, may help to explain sexually dimorphic changes in behavior that follow comparable neonatal manipulations.

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  1. O'Rourke N, Hatcher L, Stepanski EJ. Using SAS for Univariate and Multivariate Statistics. SAS Institute, Inc; Cary, NC: 2005. [Google Scholar]
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Authors
Bales, K. L., Plotsky, P. M., Young, L. J., Lim, M. M., Grotte, N., Ferrer, E., & Carter, C. S.
Affiliations
  • University of California, Davis (US)
  • Emory University (US)
  • University of Illinois Chicago (US)
Venue
Neuroscience
Publisher
Elsevier BV
Published
2007-01
Volume
144
Issue
1
Pages
38-45
ISSN
0306-4522 (ISSN-L)
OpenAlex
W2033597006
Cited by
150
References
61
Citations by year
2026: 5 · 2024: 2 · 2023: 3 · 2022: 6 · 2021: 7 · 2020: 5 · 2019: 7 · 2018: 9 · 2017: 15 · 2016: 12 · 2015: 12 · 2014: 11 · 2013: 10 · 2012: 6
FWCI
8.18
Type
journal article
Language
en
Open access
Locations
  • Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion, cc-by-nc-nd)
Funders
  • National Science Foundation
  • National Institutes of Health
  • University of Illinois at Chicago
  • National Institute of Mental Health (MH-56539, R01MH073022, MH073022, R01MH056538, R01MH056539)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (P01 HD 38490, P01HD038490, F32 HD08702, F32HD008702)
Topics
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
Keywords
oxytocin antagonist, dopamine D2 receptor, oxytocin receptor, sexually dimorphic effects, Microtus ochrogaster, social behavior, monogamy, bed nucleus of the stria terminalis, cingulate cortex, medial preoptic area, lateral septum, mediodorsal thalamus, receptor binding
MeSH terms
Animals, Animals, Newborn, Autoradiography, Arvicolinae, Female, Globus Pallidus, Male, Nucleus Accumbens, Ornipressin, Oxytocin, Preoptic Area, Septal Nuclei, Sex Characteristics, Social Behavior, Neostriatum, Receptors, Dopamine D2, Receptors, Vasopressin, Mediodorsal Thalamic Nucleus, Septum of Brain

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