[Hemostatic Effect of Spleen-invigorating, Qi-replenishing and Blood-containing Formula on Simvastatin-induced Zebrafish Hemorrhage Model].

2017 
OBJECTIVE: To investigate the hemostatic effect of spleen-invigorating, qi-replenishing and blood-containing formula on simvastatin-induced zebrafish hemorrhage model, and to compare with the effect of clearing heat and cooling blood formula. METHODS: Zebrafishes from breed A B line were treated with 0.5 µmol/L simvastatin for 24 hours to establish zebrafishes hemorrhage model. Under strict blinded experimental conditions, the above mentioned zebrafishes were then treated with experimental drug of different concentrations at the maximum non-lethal dose. The intervention effect of spleen-invigorating, qi-replenishing and blood-containing formula was comprehensively assessed by examining the main observational parameters, such as bleeding reduction rate and hemostasis rate while referring to additional parameters, such as blood flow, improvement rate of blood flow, velocity of movement, improvement rate of motion, which are characteristics of spleen qi deficiency. RESULTS: When the hemostatic effect of experimental drug B1 at the concentrations of 500 and 1 000 µg/ml, zebrafish bleeding rates were 30% and 15%, the hemostatic rate was 60% and 80%, respectively; when the experimental drug B2 at concentration of 500 and 1 000 µg/ml, Zebrafish bleeding rates were 45% and 40%, the hemostatic rate was 40% and 47%, respectively, showing that experimental drug B1 was superior to B2 in terms of decreasing bleeding rate and improving hemostatic effect in zebrafish. In the equal concentration, the experimental drug B1 was superior to B2 in terms of increasing and improving the blood flow of hemorrhagic zebrafish. Promotion and improvement of motion: in equal concentration, experimental drug B1 was superior to B2 in terms of promoting the motion velocity and increasing the improving rate of motion in zebrafish. CONCLUSION: The spleen-invigorating, qi-replenishing and blood-containing formula displays a good hemostatic effect on simvastatin-induced hemorrhage of zebrafish. It also boosts the blood flow and motion velocity in hemorrhagic zebrafish, therefore, providing an experimental basis for the treatment of syndrome of spleen failing to control blood by spleen-invigorating, qi-replenishing and blood-containing formula.
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