Cited by 465Neurotransmitter Receptor Influence on BehaviorNeuroscience and Neuropharmacology ResearchReceptor Mechanisms and Signaling

D 1 Dopamine Receptor Activation Required for Postsynaptic Expression of D 2 Agonist Effects

Walters, Judith R., Bergstrom, Debra A., Carlson, Joanne H., Chase, Thomas N., Braun, Allen R.·1987·Science

Abstract

D 1 and D 2 dopamine receptors exert synergistic effects on the firing rates of basal ganglia neurons and on the expression of stereotyped behavior in rats. Moreover, the ability of D 2 agonists to induce changes in basal ganglia single unit activity and spontaneous motor activity is dependent upon the presence of endogenous dopamine to stimulate D 1 receptors; in rats treated with α-methyl- p -tyrosine to reduce endogenous dopamine levels, the neurophysiological and behavioral effects of the D 2 agonist quinpirole are significantly attenuated, while the effects of nonselective agonists like apomorphine, which stimulate both D 1 and D 2 receptors, or combinations of a D 2 agonist and a D 1 agonist are not attenuated. Thus, the previously held view that D 2 receptors alone are responsible for evoking the changes in behavior and basal ganglia output induced by nonselective dopamine agonists and endogenous dopamine is not supported by these results, which indicate that these phenomena require concurrent stimulation of both dopamine receptor subtypes.

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Crossref · 10.1126/science.2953072

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Authors
Walters, J. R., Bergstrom, D. A., Carlson, J. H., Chase, T. N., & Braun, A. R.
Affiliations
National Institutes of Health (US)
Venue
Science
Published
1987-05-08
Volume
236
Issue
4802
Pages
719-722
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2057788173
Cited by
465
References
39
Citations by year
2024: 1 · 2023: 4 · 2022: 1 · 2021: 2 · 2018: 2 · 2016: 3 · 2015: 3 · 2014: 3 · 2013: 1 · 2012: 4
FWCI
18.48
Type
journal article
Language
en
Open access
closed
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
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 › Receptor Mechanisms and Signaling
Keywords
dopamine D1 receptor, dopamine D2 receptor, receptor synergy, basal ganglia, quinpirole, apomorphine, alpha-methyl-p-tyrosine, endogenous dopamine, stereotypy, spontaneous motor activity, single-unit activity, dopamine agonists
MeSH terms
Animals, Apomorphine, Basal Ganglia, Benzazepines, Dopamine, Ergolines, Methyltyrosines, Neurons, Phenethylamines, Receptors, Dopamine, Stereotyped Behavior, 2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepine, Receptors, Dopamine D1, Receptors, Dopamine D2, Quinpirole, alpha-Methyltyrosine, Rats

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