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Ligustrazini inhibits endotoxin induced PAI-1 expression in human umbilical vein endothelial cells
1Department of Pathology, School of Basic Medical Sciences, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030.
Plasminogen activator inhibitor 1 (PAI-1) is one of important coagulant factors. Endotoxin lipopolysaccharide (LPS) induces thrombosis by stimulating PAI-1 secretion of vascular cells (EC). Using sandwich enzyme-linked immunosorbent assay (ELISA) and Northern blot, was investigated the effects of Chinese medicine ligustrazini on PAI-1 expression in EC and LPS-stimulated EC. The results showed that ligustrazini inhibited both basal and LPS-induced PAI-1 mRNA expression in EC. The effect of ligustrazini on LPS-induced PAI-1 secretion worked in a dose-dependent manner. This study provided theoretic and experimental evidence for use of ligustrazini against septic shock and cardiovascular diseases.
Plasminogen activator inhibitor 1 (PAI-1) is one of important coagulant factors. Endotoxin lipopolysaccharide (LPS) induces thrombosis by stimulating PAI-1 secretion of vascular cells (EC). Using sandwich enzyme-linked immunosorbent assay (ELISA) and Northern blot, was investigated the effects of Chinese medicine ligustrazini on PAI-1 expression in EC and LPS-stimulated EC. The results showed that ligustrazini inhibited both basal and LPS-induced PAI-1 mRNA expression in EC. The effect of ligustrazini on LPS-induced PAI-1 secretion worked in a dose-dependent manner. This study provided theoretic and experimental evidence for use of ligustrazini against septic shock and cardiovascular diseases.