Induction of chick embryonic intestinal disaccharidases by hydrocortisone and sucrose in the organ culture system.

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  • 吉沢 節子
    Department of Nutrition, School of Health Sciences, Faculty of Medicine, University of Tokyo
  • 森内 幸子
    Department of Nutrition, School of Health Sciences, Faculty of Medicine, University of Tokyo
  • 細谷 憲政
    Department of Nutrition, School of Health Sciences, Faculty of Medicine, University of Tokyo

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タイトル別名
  • Induction of Chick Embryonic Intestinal

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The effect of hydrocortisone and sucrose on the development of chick intestinal disaccharidases was studied using the organ culture system. When intestines of 15- and 17-day-old embryos were cultured in the presence of hydrocortisone, there was significant enhancement of disaccharidases activity compared with the control. However, there was no effect in the 20-day embryonic intestines. On the other hand, the disaccharidase activity of cultured intestines from 20-day-old chick embryos were significantly stimulated by the addition of sucrose. The ob-served increase in disaccharidase activity induced by the administration of hydrocortisone in 17-day-old embryos in vitro was sensitive to actinomy-cin D and cycloheximide. The activity induced by the administration of sucrose in 20-day-old embryos in vitro was sensitive to cycloheximide but insensitive to actinomycin D.

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