Abstract
Objective To investigate the protective effect of the propolis flavonoids on the BCG and LPS-induced immunological liver injury in mice. Methods Kunming mice were divided into control group,model group, bifendate group , low-dosage, middling-dosage, and high-dosage propolis flavonoids groups. On the first day, the model group , bifendate group and the protection groups were injected BCG from tail vein and then the protection groups were orally administered with propolis flavonoids (300 mg/kg,150 mg/kg,75 mg/kg)daily, and the bifendate group were orally administered with bifendate (150 mg/kg) daily. At the end of 12day, all mice were injected with LPS via the tail vein except control groups. The mice were weighed 16h later.The serum alanine aminotransferase (ALT) and aspartate transaminase (AST) activities were determined and the mice were scarified to calculate liver somatic index. Liver homogenate were prepared and liver tissue ma-londialdehyde (MDA) content and erythrocuprein (SOD) and glutathione peroxidase (GSH-Px) activities were tested. Results Propolis flavonoids groups reduced the somatic index(F=9. 88, P<0. 05) ,and decreased serum ALT and AST activities of liver of mice compared with the model group (F=55. 66 or 6. 86, P <0.05) and also decreased MDA content (F=8. 61, P<0. 05 ), increased SOD and GSH-Px activities, compared with the model group (F=11. 96 or 11. 14, P<0.05) . Conclusion Propolis flavonoids protected the BCG and LPS-induced immunological liver injury in mice. Key words: Propolis flavonoids; Immunological liver injury; protection
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