Cited by 161Neurotransmitter Receptor Influence on BehaviorNeuroscience and Neuropharmacology ResearchNicotinic Acetylcholine Receptors Study

Controls of tonic and phasic dopamine transmission in the dorsal and ventral striatum

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Zhang, Lifen, Doyon, William M., Clark, Jeremy J., Phillips, Paul E.M., Dani, John A.·2009·Molecular Pharmacology

Abstract

Dopamine (DA) release varies within subregions and local environments of the striatum, suggesting that controls intrinsic and extrinsic to the DA fibers and terminals regulate release. While applying fast-scan cyclic voltammetry and using tonic and phasic stimulus trains, we investigated the regulation of DA release in the dorsolateral to ventral striatum. The ratio of phasic-to-tonic-evoked DA signals varied with the average ongoing firing frequency, and the ratio was generally higher in the nucleus accumbens (NAc) compared with the dorsolateral striatum. At the normal average firing frequency, burst stimulation produces a larger increase in the DA response in the NAc than the dorsolateral striatum. This finding was comparable whether the DA measurements were made using in vitro brain slices or were recorded in vivo from freely moving rodents. Blockade of the dopamine transporters and dopamine D(2) receptors particularly enhanced the tonic DA signals. Conversely, blockade of nicotinic acetylcholine receptors (nAChRs) containing the beta(2) subunit (beta(2)(*)) predominantly suppressed tonic DA signals. The suppression of tonic DA release increased the contrast between phasic and tonic DA signals, and that made the frequency-dependent DA dynamics between the dorsolateral striatum and NAc more similar. The results indicate that intrinsic differences in the DA fibers that innervate specific regions of the striatum combine with (at least) DA transporters, DA receptors, and nAChRs to regulate the frequency dependence of DA release. A combination of mechanisms provides specific local control of DA release that underlies pathway-specific information associated with motor and reward-related functions.

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Authors
Zhang, L., Doyon, W. M., Clark, J. J., Phillips, P. E. M., & Dani, J. A.
Affiliations
Baylor College of Medicine (US)
Venue
Molecular Pharmacology
Publisher
Elsevier BV
Published
2009-08
Volume
76
Issue
2
Pages
396-404
ISSN
0026-895X (ISSN-L)
OpenAlex
W2133709709
Cited by
161
References
56
Citations by year
2026: 5 · 2025: 4 · 2024: 7 · 2023: 4 · 2022: 12 · 2021: 6 · 2020: 8 · 2019: 8 · 2018: 11 · 2017: 9 · 2016: 13 · 2015: 12 · 2014: 16 · 2013: 12 · 2012: 13
FWCI
4.70
Type
journal article
Language
en
Open access
Locations
  • Molecular Pharmacology (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Diana Helis Henry Medical Research Foundation
  • National Institutes of Health (NS021229)
  • National Institute on Drug Abuse (F32DA024540, R01DA009411, DA009411)
  • National Institute of Neurological Disorders and Stroke (NS021229, R01NS021229)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nicotinic Acetylcholine Receptors Study
Keywords
dopamine release, phasic dopamine release, dorsal striatum, ventral striatum, nucleus accumbens, dorsolateral striatum, burst stimulation, firing rate, dopamine transporter, dopamine D2 receptor, nicotinic acetylcholine receptors, beta2 subunit, striatal subregions
MeSH terms
Action Potentials, Animals, Basal Ganglia, Corpus Striatum, Dopamine, Electric Stimulation, Mice, Inbred C57BL, Microelectrodes, Nucleus Accumbens, Receptors, Nicotinic, Reference Standards, Tungsten, Receptors, Dopamine D2, Mice, Knockout, Dopamine Antagonists, Area Under Curve, Mice

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