Cited by 114Neurotransmitter Receptor Influence on BehaviorNeuroendocrine regulation and behaviorNeuroscience and Neuropharmacology Research

Sex differences in social interaction in rats: role of the immediate-early gene Zif268

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Stack, Ashley, Carrier, Nicole, Dietz, David, Hollis, Fiona, Sorenson, Jamie, Kabbaj, Mohamed·2010·Neuropsychopharmacology

Abstract

Given both the high prevalence of anxiety disorders in women and the fact that little is known about the mechanisms of gender differences in anxiety, our primary aim in this study was to investigate the neurobiological mechanisms underlying sex differences in social anxiety-like behavior in rats. Through the use of zif268 antisense oligodeoxynucleotides (zif ASO), we induced a temporary downregulation of zif268 expression in the medial prefrontal cortex of male and female rats and found that zif268 ASO male rats show more social anxiety-like behaviors when compared with control male rats in the social interaction test. In fact, zif268 ASO males displayed social anxiety-like behaviors, which were similar to control females, thus downregulation of zif268 expression in the mPFC of male rats eliminated sex differences previously found in the social anxiety-like behavior tests. Interestingly, zif268 ASO in female rats had no effect on their social interaction. Our novel findings have led us to ascertain that sexually dimorphic zif268 expression in the mPFC is a key molecular factor in mediating sex-specific anxiety-like behavior in the social interaction test.

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  • Male rats tend to spend more time interacting with an unfamiliar, same-sex conspecific than do females.

    “male rats tend to spend more time interacting with an unfamiliar, same-sex conspecific than do females (Carrier and Kabbaj, 2012; Slamberová et al., 2011; Stack et al., 2010).”

    From The effects of prenatal PCBs on adult social behavior in rats (2015) · cites this paper as Stack et al., 2010

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Authors
Stack, A., Carrier, N., Dietz, D., Hollis, F., Sorenson, J., & Kabbaj, M.
Affiliations
Florida State University (US)
Corresponding author
Kabbaj, Mohamed
Venue
Neuropsychopharmacology
Published
2009-10-21
Volume
35
Issue
2
Pages
570-580
ISSN
  • 0893-133X (ISSN-L)
  • 1740-634X
OpenAlex
W2018228062
Cited by
113
References
42
Citations by year
2026: 2 · 2025: 9 · 2024: 10 · 2023: 5 · 2022: 11 · 2021: 10 · 2020: 10 · 2019: 8 · 2018: 5 · 2017: 7 · 2016: 5 · 2015: 5 · 2014: 9 · 2013: 2 · 2012: 8
FWCI
2.08
Type
journal article
Language
en
Open access
Locations
  • Neuropsychopharmacology (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institute of Mental Health (R01MH087583)
  • National Institute on Drug Abuse (R03DA021554)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
sex differences, Zif268, immediate early genes, antisense oligodeoxynucleotides, medial prefrontal cortex, sexually dimorphic gene expression, social interaction test
MeSH terms
Analysis of Variance, Animals, Behavior, Animal, Dose-Response Relationship, Drug, Estradiol, Estrogens, Exploratory Behavior, Female, Gene Expression Regulation, Interpersonal Relations, Male, Oligodeoxyribonucleotides, Ovariectomy, RNA, Messenger, Sex Characteristics, Stress, Psychological, Vaginal Smears, Rats, Sprague-Dawley, Prefrontal Cortex, Estrous Cycle, Rats, Early Growth Response Protein 1

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