Cited by 163Neurotransmitter Receptor Influence on BehaviorNeuroscience and Neuropharmacology ResearchNeurological disorders and treatments

Potent Regulation of Midbrain Dopamine Neurons by the Bed Nucleus of the Stria Terminalis

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Georges, François, Aston-Jones, Gary·2001·The Journal of Neuroscience

Abstract

Recent studies have revealed an important role of the ventrolateral (subcommissural) aspect of the bed nucleus of the stria terminalis (vBNST) in motivational aspects of drug abuse (Delfs et al., 2000). Dopaminergic (DA) neurons in the ventral tegmental area (VTA) have also long been linked to motivation and drug abuse (Koob and Le Moal, 2001). The present study tested whether activity in the vBNST influences discharge of midbrain DA neurons. Responses of DA neurons in the VTA to activation of the vBNST were characterized in anesthetized rats using extracellular recording techniques. Electrical or chemical [10-50 mm glutamate (Glu)] stimulation of the vBNST consistently activated DA cells (122% increase in activity with 50 mm Glu). However, stronger chemical stimulation of the vBNST (100 mm Glu) completely inactivated DA neurons. In addition, apomorphine restored the activity of DA neurons that were inactivated by 100 mm Glu stimulation of the vBNST, indicating possible depolarization blockade of DA cells by vBNST activity. These findings reveal that the vBNST exerts a strong excitatory influence on DA neurons. Also striking was the finding that chemical stimulation (50 mm Glu) of the vBNST yielded long-lasting oscillatory activity (>15 min) in VTA DA neurons. These results indicate that the vBNST can generate long-lasting alterations in the activity of DA neurons in vivo.

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Crossref · 10.1523/jneurosci.21-16-j0003.2001

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  • Electrical stimulation of the BNST produces both excitatory and inhibitory responses in VTA neurons in vivo, implying distinct subcircuits may exist.

    “Electrical stimulation of the BNST produces both excitatory and inhibitory responses in VTA neurons in vivo6 implying that distinct subcircuits may exist.”

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  1. Georges F, Aston-Jones G (2001) Potent regulation of midbrain dopa- mine neurons by the bed nucleus of the stria terminalis: mediation by an excitatory amino acid. Soc Neurosci Abstr, in press.

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Authors
Georges, F., & Aston-Jones, G.
Affiliations
Philadelphia VA Medical Center (US)
Venue
The Journal of Neuroscience
Published
2001-08-15
Volume
21
Issue
16
Pages
RC160-RC160
ISSN
  • 0270-6474 (ISSN-L)
  • 1529-2401
OpenAlex
W2148895573
Cited by
163
References
19
Citations by year
2024: 5 · 2023: 5 · 2022: 3 · 2021: 6 · 2020: 1 · 2019: 5 · 2018: 5 · 2017: 11 · 2016: 8 · 2015: 14 · 2014: 12 · 2013: 14 · 2012: 9
FWCI
2.09
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroscience (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Rutgers University Community Repository (Rutgers University) (submittedVersion)
Funders
  • U.S. Public Health Service
  • National Institute on Drug Abuse (DA 06214)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Health Sciences › Medicine › Neurology › Neurological disorders and treatments
Keywords
bed nucleus of the stria terminalis, ventral tegmental area, dopaminergic neurons, glutamate stimulation, apomorphine
MeSH terms
Action Potentials, Animals, Apomorphine, Biological Clocks, Dopamine, Dose-Response Relationship, Drug, Electric Stimulation, Mesencephalon, Microinjections, Neurons, Septal Nuclei, Stimulation, Chemical, Rats, Sprague-Dawley, Ventral Tegmental Area, Glutamic Acid, Rats

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