CHARACTERIZATION WITH <SUP>3</SUP>H-HALOPERIDOL OF THE DOPAMINE RECEPTOR IN THE RAT KIDNEY PARTICULATE PREPARATION
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概要
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The dopamine receptor of rat kidney particulate preparation was identified and characterized by the use of <SUP>3</SUP>H-haloperidol binding. Binding of <SUP>3</SUP>H-haloperidol to the kidney particulate preparation was slow and saturable. The dissociation constants (K<SUB>D</SUB>) were 0.41 nM and 5.88 nM, respectively, according to the model of two classes of independent binding sites. Maximal binding of high affinity site was obtained with 166 fmole/mg protein which was about 40% of the total receptor density. A wide variety of neuroleptics at specifically low concentrations in nanomolar range inhibited the <SUP>3</SUP>H-haloperidol binding. There was an excellent correlation between the affinity of numerous neuroleptics for the kidney particulate preparation and that for the brain striatum.
- 社団法人 日本薬理学会の論文
著者
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Nakajima Tohru
Department Of Chemical System Engineering School Of Engineering University Of Tokyo
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KURUMA ISAMI
Department of Biochemistry, Nippon Roche Research Center
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Nakajima Tohru
Department Of Chemical System Engineering Graduate School Of Engineering University Of Tokyo
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