Dopamine receptor binding: Specificity, localization and regulation by ions and guanyl nucleotides

Ian Creese, Timothy Prosser, Solomon H Snyder

Research output: Contribution to journalArticle

Abstract

3H-Spiroperidol labels dopamine receptors in rats striatum but in frontal cortex and hippocampus 3H-spiroperidol labels serotonin receptors. The agonists 3H-ADTN and 3H-apomorphine label rat striatal dopamine receptors. Comparison with calf striatal binding indicates a species difference in 3H-apomorphine binding. Drug displacement and lesion studies suggest that in the rat 3H-apomorphine labels two distinct dopamine receptors, one associated with the dopamine-sensitive adenylate cyclase and the other with presynaptic dopamine receptors also labeled by 3H-spiroperidol. Whereas divalent cations increase specific dopamine receptor binding of 3H-agonists and 3H-antagonists, 3H-agonist binding is selectively decreased by some guanyl nucleotides.

Original languageEnglish (US)
Pages (from-to)495-499
Number of pages5
JournalLife Sciences
Volume23
Issue number5
DOIs
StatePublished - Aug 7 1978

Fingerprint

Dopamine Receptors
Nucleotides
Spiperone
Ions
Labels
Apomorphine
Corpus Striatum
Rats
Presynaptic Receptors
Serotonin Receptors
Divalent Cations
Frontal Lobe
Adenylyl Cyclases
Hippocampus
Dopamine
Pharmaceutical Preparations

ASJC Scopus subject areas

  • Pharmacology

Cite this

Dopamine receptor binding : Specificity, localization and regulation by ions and guanyl nucleotides. / Creese, Ian; Prosser, Timothy; Snyder, Solomon H.

In: Life Sciences, Vol. 23, No. 5, 07.08.1978, p. 495-499.

Research output: Contribution to journalArticle

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