Hypoglycemic effects of the blended Chinese traditional medicines in genetically and chemically diabetic mice

  • SUZUKI Jun
    Department of Chemical Pharmacology, Faculty of Pharmaceutical Sciences, Toyama Medical and Pharmaceutical University
  • KIMURA Masayasu
    Department of Chemical Pharmacology, Faculty of Pharmaceutical Sciences, Toyama Medical and Pharmaceutical University

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  • 漢方方剤による糖尿病病態マウスの血糖下降作用
  • カンポウ ホウザイ ニ ヨル トウニョウビョウ ビョウタイ マウス ノ ケット

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The selective sensitivities to the blended Chinese traditional medicines (Kampo Hozai) applied for diabetes mellitus were pharmacologically studied utilizing the diabetic models: genetically diabetic KK-CAy mice and alloxan diabetic mice. The hypoglycemic response to sulfonylurea (tolbutamide) was observed in the KK-CAy mice as well as that to metformin, giving evidence which supported the difference of diabetic features between KK-CAy mice and alloxan diabetic mice. The hypoglycemic potencies of the blended medicines were determined in alloxan diabetics: Chikuyosekkoto>Byakkoka-Ninjinto≈Bakumondoto >> Hachimigan≈Ninjinto>Goreisan. A similar order of potency was shown in the fasted KK-CAy mice. In the nonfasted KK-CAy mice, Hachimigan selectively had the more marked hypoglycemic effect. In conclusion, it is compatible that the effects of Kampo Hozai may be classified into plural types of action mechanism by utilizing etiologically different diabetic models.

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