Cited by 185Neuroendocrine regulation and behaviorNeuropeptides and Animal PhysiologyPrimate Behavior and Ecology

The DOI matches its Crossref record; 72 of the 73 references it cites were found in a registry or an index.

The neuroanatomical distribution of oxytocin receptor binding and mRNA in the male rhesus macaque (Macaca mulatta)

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Abstract

The rhesus macaque (Macaca mulatta) is an important primate model for social cognition, and recent studies have begun to explore the impact of oxytocin on social cognition and behavior. Macaques have great potential for elucidating the neural mechanisms by which oxytocin modulates social cognition, which has implications for oxytocin-based pharmacotherapies for psychiatric disorders such as autism and schizophrenia. Previous attempts to localize oxytocin receptors (OXTR) in the rhesus macaque brain have failed due to reduced selectivity of radioligands, which in primates bind to both OXTR and the structurally similar vasopressin 1a receptor (AVPR1A). We have developed a pharmacologically-informed competitive binding autoradiography protocol that selectively reveals OXTR and AVPR1A binding sites in primate brain sections. Using this protocol, we describe the neuroanatomical distribution of OXTR in the macaque. Finally, we use in situ hybridization to localize OXTR mRNA. Our results demonstrate that OXTR expression in the macaque brain is much more restricted than AVPR1A. OXTR is largely limited to the nucleus basalis of Meynert, pedunculopontine tegmental nucleus, the superficial gray layer of the superior colliculus, the trapezoid body, and the ventromedial hypothalamus. These regions are involved in a variety of functions relevant to social cognition, including modulating visual attention, processing auditory and multimodal sensory stimuli, and controlling orienting responses to visual stimuli. These results provide insights into the neural mechanisms by which oxytocin modulates social cognition and behavior in this species, which, like humans, uses vision and audition as the primary modalities for social communication.

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Crossref · 10.1016/j.psyneuen.2014.03.023

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Metadata

Authors
Freeman, S. M., Inoue, K., Smith, A. L., Goodman, M. M., & Young, L. J.
Affiliations
Emory University (US)
Corresponding author
Freeman, Sara M.
Venue
Psychoneuroendocrinology
Publisher
Elsevier BV
Published
2014-07
Volume
45
Pages
128-141
ISSN
0306-4530 (ISSN-L)
OpenAlex
W1989923863
Cited by
185
References
73
Citations by year
2026: 2 · 2025: 4 · 2024: 4 · 2023: 7 · 2022: 13 · 2021: 17 · 2020: 9 · 2019: 12 · 2018: 28 · 2017: 26 · 2016: 29 · 2015: 23 · 2014: 10
FWCI
43.40
Type
journal article
Language
en
Open access
Locations
  • Psychoneuroendocrinology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health (5t32mh073525-05, P51OD011107, P51OD011132)
  • National Institute of Mental Health (T32-MH073525, R21MH090776, T32MH073525-06, P50MH100023, MH090776)
  • National Center for Research Resources (P51RR000165)
Topics
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Neuroendocrine regulation and behavior
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
  • Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Primate Behavior and Ecology
Keywords
oxytocin receptor, vasopressin 1a receptor, AVPR1A, rhesus monkeys, neuroanatomical distribution, nucleus basalis of Meynert, pedunculopontine nucleus, superior colliculus, trapezoid body, ventromedial hypothalamus, social cognition, visual attention, auditory processing, orienting response, autism spectrum disorder, schizophrenia
MeSH terms
Animals, Brain, Cricetulus, Cricetinae, Humans, Macaca mulatta, Male, Neurons, Oxytocin, Protein Binding, RNA, Messenger, Tissue Distribution, CHO Cells, Receptors, Oxytocin

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