Pharmacological properties of SM-3997: A new anxioselective anxiolytic candidate.
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概要
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Pharmacological properties of SM-3997 (3aα, 4β, 7β, 7aα-hexahydro-2(4-(4-(2-pyrimidinyl)-1-piperazinyl)-butyl)-4, 7-methano-1H-isoindole-1, 3(2H)-dione dihydrogen citrate) have been examined in rats and mice. SM-3997 showed a dose-related anticonflict activity in rats in a water lick conflict paradigm, and it had no effect on water consumption in a spontaneous water drinking test. The potency of SM-3997 appeared to be equal to that of buspirone and about one-half that of diazepam. No tolerance to the anticonflict activity of SM-3997 was observed following 5 and 10 consecutive days of treatment. Unlike diazepam, SM-3997 had no anticonvulsant effect and had very weak muscle relaxant and hypnotic effects. On the other hand, SM-3997 and buspirone exhibited dopamine antagonistic action, although the potency of SM-3997 was less than one fourth that of buspirone. These results show that SM-3997 is a new anxioselective anxiolytic agent which is weaker than buspirone in the dopaminergic neuron system.
- 公益社団法人 日本薬理学会の論文
著者
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SHIMIZU Hiroshi
Research Institute for Polymers and Textiles
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NAKAMURA Mitsutaka
Research and Development Center, Pharmaceuticals Division, Sumitomo Chemical Co., Ltd.
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Hirose Akira
Research Center For Advanced Science & Technology University Of Tokyo:dept.of Frontier Informati
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Tatsuno Tohru
Research Laboratories, Sumitomo Pharmaceuticals Co., Ltd.
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KATSUBE Junki
Research Laboratories, Sumitomo Pharmaceuticals Co., Ltd.
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SHIMIZU Hiroshi
Research Laboratories, Sumitomo Pharmaceuticals Co., Ltd.
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