Potentiation of phencyclidine-induced dopamine release in the rat striatum by the blockade of dopamine D2 receptor

Yuji Yonezawa, Toshihide Kuroki, Nobutada Tashiro, Hisao Hondo, Hideyuki Uchimura

研究成果: Contribution to journalArticle査読

5 被引用数 (Scopus)

抄録

Local perfusion with phencyclidine (PCP) increased extracellular dopamine levels in the rat striatum in a dose-dependent manner, as measured by in vivo microdialysis. While pretreatment with SCH 23390, a selective dopamine D1 receptor antagonist, had no significant effect on PCP-induced increases in extracellular dopamine levels, pretreatment with YM-09151-2 (cis-N-(1-benzyl-2-methylpyrrolidin-3-yl)-5-chloro-2-methoxy-4-methylaminobenzamide), a selective dopamine D2 receptor antagonist, markedly potentiated the effect of PCP. These results suggest that the blockade of dopamine D2 presynaptic autoreceptors strongly potentiates the PCP-induced dopamine release in the striatum.

本文言語英語
ページ(範囲)305-308
ページ数4
ジャーナルEuropean Journal of Pharmacology
285
3
DOI
出版ステータス出版済み - 10 24 1995

All Science Journal Classification (ASJC) codes

  • 薬理学

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