ROLE OF BRAIN AMINES IN THE FATAL HYPERPYREXIA CAUSED BY TRANYLCYPROMINE IN LiCl-PRETREATED RATS
スポンサーリンク
概要
- 論文の詳細を見る
Tranylcypromine (TCP), a monoamine oxidase inhibitor, caused a fatal hyperpyrexia in rats pretreated with LiCl once a day for 4 days. Pretreatment with LiCl alone did not alter the level of serotonin (5-HT). dopamine (DA) and norepinephrine (NE) in the brain. In the fatal hyperpyrexia caused by LiCl plus TCP, the brain 5-HT and DA levels were increased, whereas the brain NE level was decreased. Reserpine and α-methyl-<I>p</I>-tyrosine completely prevented the hyperpyrexia, but FLA-63 did not show any effect. The hyperpyrexia was completely prevented by <I>p</I>-chlorophenylalanine (PCPA) given 72 hours before TCP but not by PCPA given 24 hours before TCP. Haloperidol and chlorpromazine, DA receptor blockers, inhibited the fatal hyperpyrexia, while cyproheptadine and inethysergide, 5-HT receptor blockers, did not. These results suggest that DA plays an essential role in the hyperpyrexia induced by the combination of TCP and LiCl in rats, but the involvement of 5-HT is inconclusive.
- 社団法人 日本薬理学会の論文
著者
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Hashimoto Masaharu
Research & Development Laboratory Yoshihara Oil Mill Ltd.
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SHIMOMURA Kyoichi
Research Laboratories, Fujisawa Pharmaceutical Co. Ltd.
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MORI Jo
Research Laboratories, Fujisawa Pharmaceutical Co. Ltd.
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HONDA Fumio
Research Laboratories, Fujisawa Pharmaceutical Co., Ltd.
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MORI Jo
Research Laboratories, Fujisawa Pharmaceutical Co., Ltd.
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HASHIMOTO Masaharu
Research Laboratories, Fujisawa Pharmaceutical Co., Ltd.
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HONDA Fumio
Research Laboratories, Fujisawa Pharmaceutical Co. Ltd.
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SHIMOMURA Kyoichi
Research Laboratories, Fujisawa Pharmaceutical Co., Ltd.
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