SOME CHARACTERISTICS OF EARLY APPEARING ISOMALTASE IN INTESTINAL MUCOSA OF SUCKLING RAT
スポンサーリンク
概要
- 論文の詳細を見る
Characteristics of early appearing free isomaltase in the soluble fraction were investigated in rat intestinal mucosa. Soluble isomaltase and membrane-bound sucrase-isomaltase complex were pre-pared from 15-day-old rat intestine. Immunochemical properties, optimal pH and heat sensitivity of soluble isomaltase were compared with those of membrane-bound isomaltase. Optimal pH of free isomaltase in the soluble fraction was lower than that of membrane-bound isomaltase. Soluble and membrane-bound isomalt-ase showed different sensitivities for temperature. Furthermore, membrane-bound isomaltase in 15-day-old suckling rat intestine gave a single line with antiserum. However, soluble isomaltase gave no precipitin line. From these results, it could be concluded that soluble isomaltase is not derived from the isomaltase moiety of membrane-bound sucrase-isomaltase complex as a result of mechanical fragility and rather it would be lysosomal in origin.
- 財団法人 学会誌刊行センターの論文
著者
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山田 和彦
東大医
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細谷 憲政
Department of Nutrition, School of Health Sciences, Faculty of Medicine, University of Tokyo
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森内 幸子
Department of Nutrition, School of Health Sciences, Faculty of Medicine, University of Tokyo
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山田 和彦
Department of Nutrition, School of Health Sciences Faculty of Medicine, University of Tokyo
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森内 幸子
Department of Food and Nutrition, Faculty of Home Economics, Japan Women's University
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細谷 憲政
Department fo Nutrition, School of Health Sciences, Faculty of Medicine, University of Tokyo
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山田 和彦
Department fo Nutrition, School of Health Sciences, Faculty of Medicine, University of Tokyo
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