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[Roumudan formulation attenuated liver fibrosis by inhibiting TGF-β1/Smad4 pathway in mice]. | LitMetric

AI Article Synopsis

Article Abstract

To investigate underlying mechanism involving Roumudan(RMD) formulation (Z20160012) suppressed liver fibrosis induced by CCl injection in mice by inhibiting TGF-β1/Smad4 pathway. Male BALB/c mice were randomly divided into control group, liver fibrosis model group and RMD-treated group(=11). Mice in liver fibrosis model and RMD-treaded groups were injected intraperitoneally with CCl (20% in olive oil) at the dose of 2.5 mL/kg two times for one week and 5 mL/kg two times for 4 weeks. Mice in control group were treated intraperitoneally with the same volume of olive oil at the same time intervals. From sixth week, Mice in liver fibrosis model group were administrated with CCl (20% in olive oil, 1.5 ml/kg once per week) intraperitoneally and given distilled water by intragastric gavage. Mice in the RMD-treated group were administrated with CCl (20% in olive oil, 1.5 ml/kg/mouse once per week) intraperitoneally and given RMD(6.2 g/kg everyday) by intragastric gavage. Mice in the control group were administrated with olive oil (1.5 ml/kg/mouse once per week) intraperitoneally and given distilled water by intragastric gavage. The serum AST and ALT levels were estimated for assessment of liver function. The pathologic changes of mice' livers were examined by the HE, Masson, immunohistochemical staining, Western Blot, Q-PCR and so on. After intraperitoneally injected with CCl in mice, the pathological characteristics of liver fibrosis were observed compared with the control group at the sixth week. Compared with the liver fibrosis model group, RMD improved the liver function significantly through reducing liver index(<0.01) and the levels of ALT(<0.01), AST(<0.01) and HYP(<0.05). The expression of TGF-β1(<0.05), α-SMA(<0.05), (<0.01) and (<0.01) were decreased by RMD. The positive expression area of mRNA in RMD treated group was lower than that in liver fibrosis model group. The RMD formulation could attenuate liver fibrosis by inhibiting TGF-β1/Smad4 pathway and extracellular matrix (ECM) production in mice.

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http://dx.doi.org/10.12047/j.cjap.6010.2020.121DOI Listing

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