Affiliation:
1. School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
2. The 306th Hospital of PLA, Beijing 100101, China
Abstract
Abstract
The protective effects of the total glycosides from Ligustri Lucidi Fructus against nonalcoholic fatty liver (NAFL) in mice were investigated. Liver injury was induced by the administration of high fat diet for 60 days. During this period, the model group received high fat diet only; the treatment groups received various drugs plus high fat diet. Compared with the model group, the total glycosides significantly decreased the contents of triglyceride (TG) and cholesterol (TC), as well as the activities of alanine aminotransferase (ALT) and aspartate aminotransferase (AST) in the serum. Moreover, the contents of TG and TC in liver tissue and the liver index were reduced. Histological findings also confirmed antisteatosis. Compared with the model group, total glycosides significantly reduced the levels of the sterol regulatory element binding protein-1c (SREBP-1c) and liver X receptor-a (LXR-α) protein, and down-regulated the expression of SREBP-1c, LXR-α and interleukin-6 (IL-6) mRNA in the liver. These results suggest that the total glycosides are effective in the treatment of NAFL of mice. Their mode of action is associated with inhibiting SREBP-1c, LXR-α and IL-6 mRNA, reducing lipid synthesis factor SREBP-1c and LXR-α protein and gene expression, suppressing inflammatory responses, then decreasing serum lipid and hepatic lipid.
Subject
General Biochemistry, Genetics and Molecular Biology
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