Cited by 81Neurotransmitter Receptor Influence on BehaviorNeuroscience and Neuropharmacology ResearchNeural and Behavioral Psychology Studies

Reduction of the rewarding effect of brain stimulation by a blockade of dopamine D1 receptor with SCH 23390

Nakajima, Shinshu, McKenzie, Gerald M.·1986·Pharmacology Biochemistry and Behavior

Abstract

The subtype of dopamine receptor related to the rewarding effect of brain stimulation was determined in 17 rats. The animals were trained to contact a dry spout to receive stimulation through electrodes implanted into the lateral hypothalamic area, ventral tegmental area, or dorsal raphe nucleus. The dopamine D1 blocking agent SCH 23390, 0.08 mg/kg IP, completely suppressed responding. The D2 receptor blocker sulpiride, 50 mg/kg IP, or the serotonin receptor blocker metergoline, 5 mg/kg IP, did not suppress responding. The ED50 for SCH 23390 was 0.022 mg/kg IP. In a runway, rats were trained to run for rewarding goal stimulation consisting of a train of pulses delivered to the lateral hypothalamus. After injection of SCH 23390, 0.01 mg/kg IP, animals showed significantly slower running speed, but their speed returned to normal if the number of pulses in the goal stimulation was increased 2.6 times. These results indicate that blockade of D1 receptors, but not D2 receptors, reduces the rewarding effect of brain stimulation.

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Crossref · 10.1016/0091-3057(86)90437-5

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  • Cocaine primarily activates D1R-containing neurons, which are necessary for reward-related learning and maintenance of reward-related behaviors.

    “Cocaine primarily activates D1R-containing neurons, which are necessary for reward-related learning and maintenance of reward-related behaviors (Nakajima 1986; Nakajima and Mckenzie 1986; Beninger et al 1987; Bertran-Gonzalez et al 2008).”

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Authors
Nakajima, S., & McKenzie, G. M.
Affiliations
Dalhousie University (CA)
Corresponding author
Nakajima, Shinshu
Venue
Pharmacology Biochemistry and Behavior
Publisher
Elsevier BV
Published
1986-04
Volume
24
Issue
4
Pages
919-923
ISSN
0091-3057 (ISSN-L)
OpenAlex
W2041103283
Cited by
81
References
32
Citations by year
2021: 1 · 2020: 1 · 2016: 1 · 2015: 1 · 2012: 1
FWCI
3.26
Type
journal article
Language
en
Open access
closed
Locations
  • Pharmacology Biochemistry and Behavior (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 › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
Keywords
dopamine D1 receptor, brain stimulation reward, SCH 23390, dopamine D2 receptor, sulpiride, serotonin receptor blockade, lateral hypothalamus, ventral tegmental area, dorsal raphe nucleus
MeSH terms
Animals, Benzazepines, Brain, Brain Mapping, Haloperidol, Hypothalamic Area, Lateral, Male, Raphe Nuclei, Receptors, Dopamine, Reward, Self Stimulation, Sulpiride, Tegmentum Mesencephali, Rats

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