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KMID : 0363320090300020410
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Journal of Korean Oriental Internal Medicine
2009 Volume.30 No. 2 p.410 ~ p.421
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Effect of Injinchunggan-tang & Injinsaryung-san on NASH induced by MCD-diet in A/J mice
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Yun Kyoung-Su
Woo Hong-Jung
Lee Jang-Hoon
Kim Young-Chul
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Abstract
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Objective: The aim of this study is to investigate the preventive effect of Injinchunggan-tang (YJCGT) & Injinysaryung-san (YJSRS) on MCD-diet-induced NASH in A/J mice.
Methods: A/J mice were divided into 4 groups: Normal group (normal diet without any treatment). Control group (MCD diet only), YJCGT group (MCD diet with YJCGT), and YJSRS group (MCD diet with YJSRS). After 5 weeks, body weight, liver weight, biochemical parameters for liver function test, histological changes, and real-time PCR were assessed.
Results: Mice lost body weight with the MCD diet and the YJCGT and YJSRS groups lost less than the control group, though showed no statistical significance. Liver weights were decreased by the MCD diet, but not significantly. In the liver function test, all the values were increased with the MCD diet, though some did not show significance. Alp and ALT levels were significantly less increased by YJCGT compared to the normal (p<0.05). All values were decreased or increased compared to the control by treatment though showed no significance possibly due to insufficient sample numbers. In histological findings of the livers. MCD-diet induced severe fatty change and collagen accumulation in the livers, but this fatty change was reduced in the YJCGT and YJYRS groups and fibrogenesis was inhibited significantly with p<0.05 and p<0.01, respectively. In real-time PCR analysis, YJCGT and YJYRS showed inhibitory effect on liver fibrogenesis by reducing associated gene expressions caused by MCD diet.
Conclusion: YJCGT and YJSRS are considered to be possible candidates for the treatment of patients with NASH and/or liver fibrosis.
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KEYWORD
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Injinchunggan-tang(YJCGT), Injinysaryung-san(YJSRS), MCD-diet, NASH, A/J mice
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