[Effect of phenolic alkaloids of Menispermum dauricum on thrombosis and platelet aggregation].
Copyright policy )[Effect of phenolic alkaloids of Menispermum dauricum on thrombosis and platelet aggregation].
To observe the effect of phenolic alkaloids of Menispermum dauricum (PAMD) on thrombosis and platelet aggregation, and to explore its mechanism of action.Thrombosis was observed with arteriovenous shunt thrombus model in rat; platelet aggregation was determined by Born's method; ultrastructure of platelet was observed by transmission electron microscope; TXB2 or 6-keto-PGF1alpha levels were assessed by radioimmunoassay; and NO was determined by colorimetric method.PAMD dose-dependently inhibited experimental thrombus formation, platelet aggregation induced by ADP, AA and THR in vivo and ultrastructure changes stimulated by THR; PAMD increased the generation of 6-keto-PGF1alpha in thoracic aortae and NO level in plasma; and had no influence on TXB2 release (P > 0.05).PAMD inhibited thrombosis and platelet aggregation, and its mechanism might be due to the increase of PGI2 and NO level.
- Wuhan Union Hospital China (People's Republic of)
Blood Platelets, Male, Plants, Medicinal, Dose-Response Relationship, Drug, Platelet Aggregation, Aorta, Thoracic, Thrombosis, 6-Ketoprostaglandin F1 alpha, Nitric Oxide, Benzylisoquinolines, Epoprostenol, Rats, Rats, Sprague-Dawley, Thromboxane B2, Alkaloids, Menispermum, Tetrahydroisoquinolines, Animals, Rabbits, Rhizome
Blood Platelets, Male, Plants, Medicinal, Dose-Response Relationship, Drug, Platelet Aggregation, Aorta, Thoracic, Thrombosis, 6-Ketoprostaglandin F1 alpha, Nitric Oxide, Benzylisoquinolines, Epoprostenol, Rats, Rats, Sprague-Dawley, Thromboxane B2, Alkaloids, Menispermum, Tetrahydroisoquinolines, Animals, Rabbits, Rhizome
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