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  • Title: Antagonism by salvianolic acid B of lipopolysaccharide-induced disseminated intravascular coagulation in rabbits.
    Author: Wu Z, Li JN, Bai ZQ, Lin X.
    Journal: Clin Exp Pharmacol Physiol; 2014 Jul; 41(7):502-8. PubMed ID: 24739088.
    Abstract:
    The aim of the present study was to investigate the effects of salvianolic acid B on lipopolysaccharide (LPS)-induced disseminated intravascular coagulation (DIC) in rabbits. Continuous infusion of LPS was used to induce a DIC model in rabbits. Treatment with salvianolic acid B (1, 3 or 6 mg/kg) was started simultaneously with LPS infusion (0.5 mg/kg LPS in 60 mL saline; 10 mL/h over a period of 6 h) through the contralateral marginal ear vein. Activated partial thromboplastin time (APTT), prothrombin time (PT), platelet count and fibrinogen concentration were determined, as were plasma levels of fibrin-fibrinogen degradation products (FDP), alanine aminotransferase (ALT), blood urea nitrogen (BUN), protein C activity, antithrombin III (ATIII) and tumour necrosis factor (TNF)-α concentration. The gradual impairment of haemostatic parameters was induced by continuous infusion of LPS. There were marked increases in APTT, PT, BUN, ALT and plasma TNF-α and marked decreases in the platelet count, fibrinogen, FDP, protein C and ATIII. The intravenous administration of 1, 3 or 6 mg/kg salvianolic acid B attenuated the increases in APTT, PT, BUN, ALT and plasma TNF-α and the decreases in fibrinogen, platelet, FDP, protein C and ATIII induced by LPS infusion. These observations indicate that salvianolic acid B has an effect against LPS-induced DIC in rabbits.
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