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Mechanism of geniposide in improving free fatty acid metabolism in rats with non-alcoholic fatty liver disease / 中国中药杂志
China Journal of Chinese Materia Medica ; (24): 470-475, 2016.
Article in Chinese | WPRIM | ID: wpr-230134
ABSTRACT
To observe the effect of geniposide on non-alcoholic fatty liver disease (NAFLD), and discuss the mechanism of geniposide for NAFLD from the aspect of free fatty acid, forty healthy Wistar male rats were randomly divided into normal group, model group, geniposide and Xuezhikang group. The rats in normal group were fed with normal diets, and the rats in other 3 groups were given with high-fat diet for 8 weeks to induce the NAFLD models. From the week 5 to end of week 8, the rats in geniposide and Xuezhikang group were intervened with corresponding medicines. The body weight, liver wet weight, and fat weight of the rats were recorded. Visual and pathological changes in hepatic tissues were observed with HE staining. The contents of TG, FFA, FAS, AMPK, ACCase and Malonyl-CoA in hepatic tissue, contents of CHO and LDL-C in serum and activities of AST and ALT in serum were detected by using corresponding methods. The results showed that the body weight, liver wet weight, and fat weight of the rats, CHO, LDL-C, ALT and AST levels in serum, TG, FFA, FAS, ACCase and Malonyl-CoA levels in hepatic tissues of the rats in model group were significantly higher than those in normal group (P<0.01), while AMPK activity was significantly lower than that of the normal group (P<0.01), with obvious visual and pathological steatosis in hepatic tissues, and inflammatory injury occurred in model group. Compared with the model group, body weight of the rat, fat weight, levels of FFA in hepatic tissues, ALT and AST activities in serum, liver wet weight, TG, FAS, ACCase and Malonyl-CoA levels were significantly decreased in geniposide group (P<0.01), while the AMPK activity in hepatic tissues was significantly increased (P<0.05),with improvement in visual and pathological performance. Compared with the model group, liver wet weight, fat weight, TG and FFA levels in hepatic tissues, and LDL-C level in serum were significantly decreased in Xuezhikang group (P<0.05). Compared with Xuezhikang group, the body weight of rat, fat weight and FFA level in hepatic tissues were significantly lower in geniposide group (P<0.01), but with no significant difference in other aspects. These findings indicated that geniposide was highly effective in improving the pharmacological effect of NAFLD induced by high-fat diet, and the mechanism was achieved through AMPK-ACCase-Malonyl-CoA-FFA axis.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study Language: Chinese Journal: China Journal of Chinese Materia Medica Year: 2016 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study Language: Chinese Journal: China Journal of Chinese Materia Medica Year: 2016 Type: Article