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KMID : 0363320140350010070
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Journal of Korean Oriental Internal Medicine
2014 Volume.35 No. 1 p.70 ~ p.78
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The Effects of Hoechunyanggyeok-san on hyperglycemia and Dyslipidemia in db/db mice
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Jang Soo-Young
Jung Yu-Sun
Shin Hyeon-Cheol
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Abstract
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Objectives : Hoechunyanggyeok-san (HYS) is a traditional herbal medicine, which has been clinically used for treating febrile and inflammatory diseases. HYS has been reported to be a useful treatment for diabetes, atherosclerosis and hyperlipidemia in the type 1 diabetic model. However, the mechanism of the effects of HYS against hyperglycemia and hyperlipidemia is poorly understood. In the present study, we investigated the underlying mechanism of ameliorative effect of HYS on hyperglycemia and hyperlipidemia in vivo.
Methods : HYS (10, 50 mg/kg/day, p.o.) was administered every day for 2 weeks to db/db mice and its effect was compared with vehicle-treated db/db mice. To confirm serum glucose and triglyceride (TG) changes, serological testing was performed. The levels of sterol regulatory element-binding protein-1 (SREBP-1) activity and Sirtuin1 (SIRT1), AMP-activated protein kinase (AMPK), and acetyl-CoA carboxylase α (ACCα) expression were analyzed by western blot analysis.
Results : The administration of HYS significantly decreased the elevated serum glucose and TG in db/db mice. HYS
administration increased the levels of SIRT1 and AMPK expression compared with the vehicle-treated group. Moreover, HYS treatment significantly inhibited SREBP-1 activity and ACCα expression in the liver, while the vehicle-treated group exhibited their increase.
Conclusions : In conclusion, HYS is suggested to have an improvement effect on hyperglycemia and hyperlipidemia by activating the SIRT1/AMPK signaling pathway and inhibiting SREBP-1.
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KEYWORD
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Hoechunyanggyeok-san, hyperlipidemia, SIRT1, SREBP-1, ACCα
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