ロボロフスキーハムスターとジャンガリアンハムスターの行動量と脳内モノアミン濃度の相違
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概要
- 論文の詳細を見る
Two species of the genus Phodopus, Djungarian hamster (P. sungorus) and Roborovskii hamster (P. roborovskii), differ in their behavior. The Roborovskii hamster has high locomotor activity (hyperactivity) compared to the Djungarian hamster. In this study, we compared locomotor activity of the hamsters in different environments, and compared their brain monoamine and metabolite levels to identify the mechanism by which both hamsters move differently. Activity of Roborovskii hamsters was significantly higher than Djungarian hamsters in the open field, while no difference was observed in their home cage. Dopamine (DA) and serotonin (5-HT) levels in the whole brain of Roborovskii hamster were significantly lower and their metabolic turnover rates were significantly higher than those of the Djungarian hamster. We conclude that the difference in activity under the novel environment between both species is partly, but not entirely, explained by the difference in monoamine levels and their metabolism in the brain.
- 社団法人 日本実験動物学会の論文
- 2008-09-12
著者
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FURUSE Mitsuhiro
Laboratory of Advanced Animal and Marine Bioresources, Graduate School of Bioresource and Bioenviron
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Furuse Mitsuhiro
Laboratory Of Advanced Animal And Marine Bioresources Graduate School Of Bioresource And Bioenvironm
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Furuse Mitsuhiro
Laboratory Of Advanced Animal And Marine Bioresources Faculty Of Agriculture Kyushu University
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KABUKI Yusuke
Laboratory of Advanced Animal and Marine Bioresources, Graduate School of Bioresource and Bioenviron
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YAMANE Haruka
Laboratory of Advanced Animal and Marine Bioresources, Graduate School of Bioresource and Bioenviron
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HAMASU Kousuke
Laboratory of Advanced Animal and Marine Bioresources, Graduate School of Bioresource and Bioenviron
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Yamane Haruka
Laboratory Of Advanced Animal And Marine Bioresources Graduate School Of Bioresource And Bioenvironm
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Hamasu Kousuke
Laboratory Of Advanced Animal And Marine Bioresources Graduate School Of Bioresource And Bioenvironm
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Hamasu Kousuke
Laboratory Of Advanced Animal And Marine Bioresources Graduate School Of Bioresource And Bioenvironm
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Kabuki Yusuke
Laboratory Of Advanced Animal And Marine Bioresources Graduate School Of Bioresource And Bioenvironm
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蕪木 祐介
Laboratory of Advanced Animal and Marine Bioresources, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University
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山根 春香
Laboratory of Advanced Animal and Marine Bioresources, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University
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濱洲 紘介
Laboratory of Advanced Animal and Marine Bioresources, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University
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