Cited by 105Schizophrenia research and treatmentNeuroscience and Neuropharmacology ResearchHER2/EGFR in Cancer Research

Genetic labeling reveals novel cellular targets of schizophrenia susceptibility gene: distribution of GABA and non-GABA ErbB4-positive cells in adult mouse brain

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Bean, Jonathan C., Lin, Thiri W., Sathyamurthy, Anupama, Liu, Fang, Yin, Dong-Min, Xiong, Wen-Cheng, Mei, Lin·2014·The Journal of Neuroscience

Abstract

Neuregulin 1 (NRG1) and its receptor ErbB4 are schizophrenia risk genes. NRG1-ErbB4 signaling plays a critical role in neural development and regulates neurotransmission and synaptic plasticity. Nevertheless, its cellular targets remain controversial. ErbB4 was thought to express in excitatory neurons, although recent studies disputed this view. Using mice that express a fluorescent protein under the promoter of the ErbB4 gene, we determined in what cells ErbB4 is expressed and their identity. ErbB4 was widely expressed in the mouse brain, being highest in amygdala and cortex. Almost all ErbB4-positive cells were GABAergic in cortex, hippocampus, basal ganglia, and most of amygdala in neonatal and adult mice, suggesting GABAergic transmission as a major target of NRG1-ErbB4 signaling in these regions. Non-GABAergic, ErbB4-positive cells were present in thalamus, hypothalamus, midbrain, and hindbrain. In particular, ErbB4 is expressed in serotoninergic neurons of raphe nuclei but not in norepinephrinergic neurons of the locus ceruleus. In hypothalamus, ErbB4 is present in neurons that express oxytocin. Finally, ErbB4 is expressed in a group of cells in the subcortical areas that are positive for S100 calcium binding protein β. These results identify novel cellular targets of NRG1-ErbB4 signaling.

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  • ErbB4 is restricted to specific interneuron types in the adult cortex but is present in most cortical interneurons around birth.

    “Although the expression of ErbB4 is confined to specific types of interneuron in the adult cortex (Fazzari et al., 2010; Neddens and Buonanno, 2010; Vullhorst et al., 2009), ErbB4 is expressed in the majority of cortical interneurons at perinatal stages (Bean et al., 2014).”

    From Development and Functional Diversification of Cortical Interneurons (2018) · cites this paper as Bean et al., 2014

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Authors
Bean, J. C., Lin, T. W., Sathyamurthy, A., Liu, F., Yin, D.-M., Xiong, W.-C., & Mei, L.
Affiliations
Augusta University (US)
Venue
The Journal of Neuroscience
Published
2014-10-01
Volume
34
Issue
40
Pages
13549-13566
ISSN
  • 0270-6474 (ISSN-L)
  • 1529-2401
OpenAlex
W2092929635
Cited by
105
References
72
Citations by year
2026: 6 · 2025: 4 · 2024: 6 · 2023: 8 · 2022: 7 · 2021: 20 · 2020: 9 · 2019: 7 · 2018: 15 · 2017: 12 · 2016: 7 · 2015: 3 · 2014: 1
FWCI
5.85
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroscience (publishedVersion, cc-by-nc-sa)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institutes of Health
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Health Sciences › Medicine › Oncology › HER2/EGFR in Cancer Research
Keywords
ErbB4, neuregulin-1, schizophrenia risk genes, GABAergic neurons, serotonergic neurons, raphe nuclei, oxytocin neurons, hypothalamus, amygdala, S100β, adult mouse brain
MeSH terms
Age Factors, Animals, Animals, Newborn, Brain, Cells, Cultured, gamma-Aminobutyric Acid, Glutamate Decarboxylase, Luminescent Proteins, Mice, Transgenic, Nerve Tissue Proteins, Neurons, Green Fluorescent Proteins, Mice, Receptor, ErbB-4

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