Cited by 45Neuroscience and Neuropharmacology ResearchNeurotransmitter Receptor Influence on BehaviorParkinson's Disease Mechanisms and Treatments

Segregation of dopamine and glutamate release sites in dopamine neuron axons: regulation by striatal target cells

Fortin, Guillaume M., Ducrot, Charles, Giguère, Nicolas, Kouwenhoven, Willemieke M., Bourque, Marie-Josée, Pacelli, Consiglia, Varaschin, Rafael Koerich, Brill, Marion +3 more·2019·The FASEB Journal

Abstract

Dopamine (DA) is a key regulator of circuits controlling movement and motivation. A subset of midbrain DA neurons has been shown to express the vesicular glutamate transporter (VGLUT)2, underlying their capacity for glutamate release. Glutamate release is found mainly by DA neurons of the ventral tegmental area (VTA) and can be detected at terminals contacting ventral, but not dorsal, striatal neurons, suggesting the possibility that target-derived signals regulate the neurotransmitter phenotype of DA neurons. Whether glutamate can be released from the same terminals that release DA or from a special subset of axon terminals is unclear. Here, we provide in vitro and in vivo data supporting the hypothesis that DA and glutamate-releasing terminals in mice are mostly segregated and that striatal neurons regulate the cophenotype of midbrain DA neurons and the segregation of release sites. Our work unveils a fundamental feature of dual neurotransmission and plasticity of the DA system.-Fortin, G. M., Ducrot, C., Giguère, N., Kouwenhoven, W. M., Bourque, M.-J., Pacelli, C., Varaschin, R. K., Brill, M., Singh, S., Wiseman, P. W., Trudeau, L.-E. Segregation of dopamine and glutamate release sites in dopamine neuron axons: regulation by striatal target cells.

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Crossref · 10.1096/fj.201800713rr

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Authors
Fortin, G. M., Ducrot, C., Giguère, N., Kouwenhoven, W. M., Bourque, M.-J., Pacelli, C., Varaschin, R. K., Brill, M., Singh, S., Wiseman, P. W., & Trudeau, L.-É.
Affiliations
  • Université de Montréal (CA)
  • McGill University (CA)
Corresponding author
Trudeau, Louis-Éric
Venue
The FASEB Journal
Publisher
Wiley
Published
2018-07-16
Volume
33
Issue
1
Pages
400-417
ISSN
  • 0892-6638 (ISSN-L)
  • 1530-6860
OpenAlex
W2883419158
Cited by
45
References
54
Citations by year
2026: 2 · 2025: 7 · 2024: 11 · 2023: 5 · 2022: 5 · 2021: 5 · 2020: 6 · 2019: 3 · 2018: 1
FWCI
1.71
Type
journal article
Language
en
Open access
closed
Locations
  • The FASEB Journal (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Canadian Institutes of Health Research (MOP-106556)
  • Fondation Brain Canada
  • Parkinson Society Canada
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
Keywords
dopaminergic neurons, glutamate release, vesicular glutamate transporter 2, ventral tegmental area, striatum, midbrain dopamine system, synaptic plasticity
MeSH terms
Animals, Corpus Striatum, Dopamine, Male, Synaptic Transmission, Ventral Tegmental Area, Mice, Knockout, Glutamic Acid, Vesicular Glutamate Transport Protein 2, Mice, Dopaminergic Neurons

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