Effect of Cabergoline, a Long-Acting dopamine D_2 Agonist, on Reserpine-Treated Rodents
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概要
- 論文の詳細を見る
We studied the characterization of cabergoline, a new ergot alkaloid derivative and a selective dopamine D_2 receptor agonist, in comparison to bromocriptine and pergolide in reserpine-treated rodents. Cabergoline (0.25-1.0 mg/kg, s.c.) improved dose-dependently the reserpine-induced akinesia that was assessed on the locomotor activity, and the efficacy lasted longer than those of bromocriptine (1.25-5.0 mg/kg, s.c.) or pergolide (0.0625-0.5 mg/kg, s.c.). Cabergoline (ED_<50>=1.10 mg/kg, at 4 h after the administration of drugs) also reversed catalepsy, the failure to correct an externally imposed posture, and its efficacy was stronger and longer than bromocriptine (ED_<50>=4.65 mg/kg, at 4 h). Further, reserpine-induced rigidity was improved equally by cabergoline (0.125-1.0 mg/kg, i.v.) and bromocriptine (1.0 mg/kg, i.v.). When cabergoline was administered together with 3-(3,4-dihydroxyphenyl)-L-alanine (L-DOPA), the effects were additive. Our results indicate that the long-lasting effects of cabergoline could be beneficial for treating Parkinson's disease.
- 公益社団法人日本薬学会の論文
- 1996-11-15
著者
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小島 政芳
Fuji Photo Film Co. Ltd. Ashigara Research Laboratories
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Arai Nobuhiko
Central Research Laboratories Kissei Pharmaceutical Co. Ltd.
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Arai Nobuhiko
キッセイ薬品工業
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Kojima Masami
Central Research Laboratory Kissei Pharmaceutical
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Kojima Masami
Pharmacology Research Laboratory Research & Development Kissei Pharmaceutical Co. Ltd.
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Komatsu Yasuhiro
Department Of Serology Kanazawa Medical University
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MIYAGI Masaharu
Pharmaceutical Laboratories, Kissei Pharmaceutical Co., Ltd.,
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Kojima M
Department Of Hospital Pharmacy Mie University School Of Medicine
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TAYA Fumie
Central Research Laboratory, Kissei Pharmaceutical
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ARAI Nobuhiko
Pharmacological Laboratories, Kissei Pharmaceutical Co., Ltd.,
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TAYA Fumie
Pharmacological Laboratories, Kissei Pharmaceutical Co., Ltd.,
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ITOH Fumiaki
Pharmacological Laboratories, Kissei Pharmaceutical Co., Ltd.,
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KOMATSU Yoshimitsu
Pharmacological Laboratories, Kissei Pharmaceutical Co., Ltd.,
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ISAJI Masayuki
Pharmacological Laboratories, Kissei Pharmaceutical Co., Ltd.,
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Taya Fumie
Central Research Laboratory Kissei Pharmaceutical
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Isaji M
The 2nd Research Center Kissei Pharmaceutical Co. Ltd.
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Kojima M
Tokyo Pharmaceutical Research Center Pharmaceutical Technology Research Laboratories Daiichi Pharmac
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Itoh Fumiaki
Central Research Laboratory Kissei Pharmaceutical
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Miyagi M
Kumamoto Inst. Technol. Kumamoto Jpn
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Miyagi Masaharu
Pharmaceutical Laboratories Kissei Pharmaceutical Co. Ltd.
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Arai Nobuhiko
Pharmacological Laboratories, Kissei Pharmaceutical Co., Ltd.
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