Cited by 47Neuroendocrine regulation and behaviorZebrafish Biomedical Research ApplicationsNeuropeptides and Animal Physiology

The DOI matches its Crossref record; 105 of the 105 references it cites were found in a registry or an index.

Developmental Effects of Oxytocin Neurons on Social Affiliation and Processing of Social Information

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Abstract

Abstract Hormones regulate behavior either through activational effects that facilitate the acute expression of specific behaviors or through organizational effects that shape the development of the nervous system thereby altering adult behavior. Much research has implicated the neuropeptide oxytocin (OXT) in acute modulation of various aspects of social behaviors across vertebrate species, and OXT signaling is associated with the developmental social deficits observed in autism spectrum disorders, however, little is known about the role of OXT in the neurodevelopment of the social brain. We show that perturbation of OXT neurons during early zebrafish development led to a loss of dopaminergic neurons, associated with visual processing and reward, and blunted the neuronal response to social stimuli in the adult brain. Ultimately, adult fish whose OXT neurons were ablated in early life, displayed altered functional connectivity within social decision-making brain nuclei both in naïve state and in response to social stimulus and became less social. We propose that OXT neurons have an organizational role, namely to shape forebrain neuroarchitecture during development and to acquire an affiliative response towards conspecifics. Significance Statement Social behavior is developed over the lifetime of an organism and the neuropeptide oxytocin modulates social behaviors across vertebrate species, and is associated with neuro-developmental social deficits such as autism. However, whether oxytocin plays a role in the developmental maturation of neural systems that are necessary for social behavior remains poorly explored. We show that proper behavioral and neural response to social stimuli depends on a developmental process orchestrated by oxytocin neurons. Animals whose oxytocin system is ablated in early life show blunted neuronal and behavioral responses to social stimuli as well as wide ranging disruptions in the functional connectivity of the Social Brain. We provide a window into the mechanisms underlying oxytocin-dependent developmental processes that implement adult sociality.

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Crossref · 10.1523/jneurosci.2939-20.2021

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Metadata

Authors
Nunes, A. R., Gliksberg, M., Varela, S. A. M., Teles, M., Wircer, E., Blechman, J., Petri, G., Levkowitz, G., & Oliveira, R. F.
Affiliations
  • Instituto Gulbenkian de Ciência (PT)
  • Weizmann Institute of Science (IL)
  • ISPA - Instituto Universitário (PT)
  • Institute for Scientific Interchange (IT)
  • Champalimaud Foundation (PT)
Corresponding author
  • Levkowitz, Gil
  • Oliveira, Rui F.
Venue
The Journal of Neuroscience
Published
2021-09-01
Volume
41
Issue
42
Pages
8742-8760
ISSN
  • 0270-6474 (ISSN-L)
  • 1529-2401
OpenAlex
W3196956916
Cited by
47
References
105
Citations by year
2026: 7 · 2025: 11 · 2024: 8 · 2023: 7 · 2022: 10 · 2021: 3
FWCI
6.86
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroscience (publishedVersion, cc-by-nc-sa)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • European Molecular Biology Organization (ASTF 420-2013)
  • Israel Science Foundation (#1511/16)
  • Ministry of Education and Science | Fundação para a Ciência e a Tecnologia (LISBOA-01-0145-FEDER-030627)
Topics
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Neuroendocrine regulation and behavior
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Zebrafish Biomedical Research Applications
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
Keywords
oxytocin neurons, social affiliation, social behavior development, organizational effects, activational effects, dopaminergic neurons, social decision-making, functional connectivity, social brain, autism spectrum disorder, zebrafish, neuronal ablation
MeSH terms
Animals, Female, Male, Metronidazole, Neurons, Oxytocin, Social Behavior, Zebrafish, Receptors, Oxytocin, Animals, Genetically Modified

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