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China Journal of Chinese Materia Medica ; (24): 631-635, 2020.
Article in Chinese | WPRIM | ID: wpr-1008548

ABSTRACT

This paper was aimed to observe the interventional effect of Sedum sarmentosum total flavanones on hepatic fibrosis and its possible mechanism through the subcutaneous injection of CCl_4 in rats. Sixty male SD rats were randomly divided into normal control group, model group, low-dose, medium-dose, high-dose S. sarmentosum total flavanones groups(100, 200, 400 mg·kg~(-1)) and silymarin group(200 mg·kg~(-1)). The model of liver fibrosis was established by subcutaneous injection of rats with 40% CCl_4. After the modeling, the drug groups were intragastrically administered with corresponding drugs once a day for consecutively five weeks, while the normal group and the model group were given 0.9% sodium chloride solution during the same period. After the experiment, the general conditions of rats and the pathological changes of liver tissues were observed, and the contents of serum ALT, AST, HA and LN were measured. Besides, the expressions of the protein and relevant mRNA of Smad2/3, Smad4 and α-SMA in rats were detected. Compared with model group, S. sarmentosum total flavanones could significantly increase the rats' body weight, inhibit the increase of liver and spleen index in rats of liver fibrosis, reduce the levels of ALT, AST, HA and LN, and alleviate pathological changes. Meanwhile, compared with the model group, the protein expressions of Smad2/3, Smad4 and α-SMA as well as relevant mRNA expressions in S. sarmentosum total flavanones group were obviously decreased, while Smad7 expression was markedly increased. As a result, S. sarmentosum total flavanones could significantly alleviate CCl_4-induced liver fibrosis, and its anti-hepatic fibrosis mechanism may be related to intervention with Smads pathway, so as to inhibit the activation of HSC.


Subject(s)
Animals , Male , Rats , Carbon Tetrachloride , Drugs, Chinese Herbal/therapeutic use , Flavanones/therapeutic use , Hepatic Stellate Cells/drug effects , Liver , Liver Cirrhosis/drug therapy , Rats, Sprague-Dawley , Sedum/chemistry , Signal Transduction , Smad Proteins/metabolism
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