Cited by 138Neuroendocrine regulation and behaviorNeuropeptides and Animal PhysiologyHypothalamic control of reproductive hormones

Mapping oxytocin receptor gene expression in the mouse brain and mammary gland using an oxytocin receptor-LacZ reporter mouse

Gould, B.R, Zingg, H.H·2003·Neuroscience

Abstract

The hypothalamic nonapeptide oxytocin (OT) has an established role as a circulating hormone but can also act as a neurotransmitter and as a neuromodulator by interacting with its central OT receptor (OTR). To understand the role of the OTR in the mouse brain we investigated the expression of the OTR gene at the cellular level. We targeted the lacZ reporter gene to the OTR gene locus downstream of the endogenous OTR regulatory elements. Using lactating mouse mammary gland as a control for OTR promoter directed specificity of lacZ gene expression, X-gal histochemistry on tissue sections confirmed that gene expression was restricted to the myoepithelial cells. We also identified for the first time in mice the expression of the OTR gene in neighbouring adipocytes. Further, investigation in the mouse brain identified numerous nuclei containing neurons expressing the OTR gene. Whilst some of these regions had been described for rat or sheep, the OTR-LacZ reporter mouse enabled the identification of novel sites of central OTR gene expression. These regions include the accessory olfactory bulb, the medial septal nucleus, the posterolateral cortical amygdala nucleus, the posterior aspect of the basomedial amygdala nucleus, the medial part of the supramammillary nucleus, the dorsotuberomammillary nucleus, the medial and lateral entorhinal cortices, as well as specific dorsal tegmental, vestibular, spinal trigeminal, and solitary tract subnuclei. By mapping the distribution of OTR gene…

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Crossref · 10.1016/s0306-4522(03)00283-5

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  • Adipocytes and fat progenitor cells have receptors for oxytocin.

    “It has been previously shown that adipocytes and fat progenitor cells have receptors for oxytocin(35, 36).”

    From Oxytocin reduces caloric intake in men (2015) · cites this paper as [35]

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Authors
Gould, B. R., & Zingg, H. H.
Affiliations
Royal Victoria Hospital (CA)
Corresponding author
Zingg, H.H
Venue
Neuroscience
Publisher
Elsevier BV
Published
2003-11
Volume
122
Issue
1
Pages
155-167
ISSN
0306-4522 (ISSN-L)
OpenAlex
W2035269878
Cited by
138
References
0
Citations by year
2026: 1 · 2025: 2 · 2024: 4 · 2023: 6 · 2022: 11 · 2021: 11 · 2020: 7 · 2019: 4 · 2018: 10 · 2017: 7 · 2016: 10 · 2015: 8 · 2014: 12 · 2013: 10 · 2012: 4
FWCI
3.71
Type
journal article
Language
en
Open access
closed
Locations
  • Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
  • Health Sciences › Medicine › Reproductive Medicine › Hypothalamic control of reproductive hormones
Keywords
oxytocin receptor, gene expression mapping, myoepithelial cells, mammary gland, amygdala, accessory olfactory bulb, supramammillary nucleus, entorhinal cortex, oxytocinergic system, adipocytes
MeSH terms
Animals, Brain, Female, Lac Operon, Mammary Glands, Animal, Mice, Transgenic, Blotting, Southern, Gene Expression, Receptors, Oxytocin, Reverse Transcriptase Polymerase Chain Reaction, Mice

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