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. 1983 Aug;33(4):749-55.
doi: 10.1254/jjp.33.749.

Selective binding of YM-09151-2, a new potent neuroleptic, to D2-dopaminergic receptors

M Terai, S Usuda, I Kuroiwa, O Noshiro, H Maeno
Free article

Selective binding of YM-09151-2, a new potent neuroleptic, to D2-dopaminergic receptors

M Terai et al. Jpn J Pharmacol. 1983 Aug.
Free article

Abstract

Effects of YM-09151-2 and five other neuroleptics (haloperidol, spiperone, chlorpromazine, sulpiride and clozapine) on the binding of [3H]-ligands to nine different receptors (alpha 1-adrenergic, alpha 2-adrenergic, beta-adrenergic, muscarinic, D2-dopaminergic, H1-histaminergic, 5HT1-serotonergic, 5HT2-serotonergic and opiate receptors) and on dopamine-sensitive adenylate cyclase were determined using brain membranes in the rat, guinea-pig and dog. The affinity of YM-09151-2 for D2-receptors with a Ki value of 0.1 nM was more than 1000-times higher than that for the other receptors and dopamine-sensitive adenylate cyclase, and it was the greatest among the neuroleptics tested.

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