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Kim EY, Kim EK, Lee HS, Sohn Y, Soh Y, Jung HS, Sohn NW: Protective effects of Cuscutae semen against dimethylnitrosamine-induced acute liver injury in Sprague-Dawley rats. Biol Pharm Bull. 2007 Aug;30(8):1427-31.
We investigated the protective effect of Cuscutae semen (CS) on acute liver injury induced by dimethylnitrosamine (DMN) in Sprague-Dawley rats. CS is an important traditional herbal medicine widely used as a tonic and aphrodisiac to nourish the liver and kidney and to treat impotence and seminal emission. Rats were given a single intraperitoneal injection of DMN (40 mg/kg), and were then treated with CS daily by oral gavage for 4 d. Immunohistochemical studies for alpha-smooth muscle actin (alpha-SMA) and proliferating cell nuclear antigen (PCNA) were performed, along with hydroxyproline and biological assay. Liver injury caused by DMN-injection was significantly inhibited in the CS-treated group compared to the silymarin-treated group. The results of blood biological assay were significantly protected by CS in serum total protein (T-protein), T-bilirubin (T-bili), D-bilirubin (D-bili), GOT, GPT, and ALP. The hydroxyproline content and amount of active alpha-SMA and PCNA were significantly decreased in the CS-treated group than in the silymarin-treated group. CS exhibited an in vivo hepatoprotective effect and anti-fibrogenic effects against DMN-induced acute liver injury and inhibited the formation of hydroxyproline, which suggests that CS may be useful in preventing fibrogenesis after liver injury. |
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