Zhong xi yi jie he xue bao = Journal of Chinese integrative medicine · 2012
[Formula-syndrome correlation study of three classical anti-jaundice formulas in inhibition of liver fibrosis induced by dimethylnitrosamine in rats].
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Bian Yan-qin, Ning Bing-bing, Cao Hong-yan, Lu Yan, Liu Cheng, Chen Gao-feng, Liu Jia, Liu Ping, Sun Ming-yu
Аннотация
OBJECTIVE: To investigate the effects of three classical anti-jaundice formulas Yinchenhao Decoction (YCHD). Yinchen Wuling San (YCWLS) and Zhizi Baipi Decoction (ZZBPD) on liver fibrosis induced by dimethylnitrosamine (DMN) in rats and explore the formula-syndrome relationship.
METHODS: Forty-eight rats were weighted, and divided into five groups: normal control, DMN, YCHD, YCWLS and ZZBPD groups using stratified random method. Liver fibrosis in rats was induced by intraperitoneal injection of DMN for 4 weeks at the dosage 10 mg/kg body weight, once per day for 3 consecutive days in each week. Each groups was gavaged with distilled water (control or model group), YCHD, YCWLS and ZZBPD respectively in the last 2-week modeling period. At the end of the 4th week, rats were sacrificed and their blood sample and liver tissue were taken for detecting pathology and analyzing of hydroxyproline (Hyp) and liver function.
RESULTS: Compared with the normal control group, DMN model group showed liver damage and liver fibrosis with remarkably increased Hyp content (P<0.01) and abnormal liver function (P<0.01). Liver fibrosis induced by DMN in rats was improved by administration of YCHD. Compared with DMN model group, content of Hyp was decreased remarkably (P<0.01) and liver function and hepatic histology were improved significantly after 2 weeks of YCHD treatment (P<0.05 or P<0.01)., and content of hepatic Hyp was decreased in the ZZBPD groups. Comparison of various parameters between groups showed that content of serum total bilirubin was decreased significantly in the YCWLS group (P<0.01), and content of hepatic Hyp was decreased in the ZZBPD group.
CONCLUSION: Efficacy of YCHD in inhibition of liver fibrosis induced by DMN in rats is far better than YCWLS and ZZBPD. The pathogenesis of the liver fibrosis induced by DMN is mainly damp-heat. In addition, both damp and heat pathogenic factors play very important role in this model. The syndrome is highly correlated with the prescription YCHD.
METHODS: Forty-eight rats were weighted, and divided into five groups: normal control, DMN, YCHD, YCWLS and ZZBPD groups using stratified random method. Liver fibrosis in rats was induced by intraperitoneal injection of DMN for 4 weeks at the dosage 10 mg/kg body weight, once per day for 3 consecutive days in each week. Each groups was gavaged with distilled water (control or model group), YCHD, YCWLS and ZZBPD respectively in the last 2-week modeling period. At the end of the 4th week, rats were sacrificed and their blood sample and liver tissue were taken for detecting pathology and analyzing of hydroxyproline (Hyp) and liver function.
RESULTS: Compared with the normal control group, DMN model group showed liver damage and liver fibrosis with remarkably increased Hyp content (P<0.01) and abnormal liver function (P<0.01). Liver fibrosis induced by DMN in rats was improved by administration of YCHD. Compared with DMN model group, content of Hyp was decreased remarkably (P<0.01) and liver function and hepatic histology were improved significantly after 2 weeks of YCHD treatment (P<0.05 or P<0.01)., and content of hepatic Hyp was decreased in the ZZBPD groups. Comparison of various parameters between groups showed that content of serum total bilirubin was decreased significantly in the YCWLS group (P<0.01), and content of hepatic Hyp was decreased in the ZZBPD group.
CONCLUSION: Efficacy of YCHD in inhibition of liver fibrosis induced by DMN in rats is far better than YCWLS and ZZBPD. The pathogenesis of the liver fibrosis induced by DMN is mainly damp-heat. In addition, both damp and heat pathogenic factors play very important role in this model. The syndrome is highly correlated with the prescription YCHD.