Study was carried out in rabbits to determine whether 3,4’,5-trihydroxystibene-3-β-nono-D-glucoside(PD)has wasodilative action using volumetric method.The result showed PD(1.71 mol/L)caused a right shift of the cumu...Study was carried out in rabbits to determine whether 3,4’,5-trihydroxystibene-3-β-nono-D-glucoside(PD)has wasodilative action using volumetric method.The result showed PD(1.71 mol/L)caused a right shift of the cumulative concentration-reponse curve of uorepinephfine(NE)and lowered the maximal response of rabbit’s pulmonary arteries.It implies that PD couldinhibit the vasoconstfictive effect of NE in a noncompetitive manner.PD dilated the pulmonaryarteries(4.09 and 5.12mmol/L)and the carotid(5.12mmol/L)of rabbits.This PD-induced relax-ation of puhnonary artenes was weakened by propranolol(87.8μmol/L).展开更多
目的:3,4′,5-三羟基芪-3-β-单-D-葡萄糖苷(Polydatin,Pol)对兔颈动脉内皮损伤性血栓形成的影响.方法:采用胰蛋白酶损伤兔颈动脉内皮诱导血栓形成模型.结果:Pol iv 5或10 mg·kg^(-1)均可显著减少血栓湿重(P<0.05,P<0.01)并...目的:3,4′,5-三羟基芪-3-β-单-D-葡萄糖苷(Polydatin,Pol)对兔颈动脉内皮损伤性血栓形成的影响.方法:采用胰蛋白酶损伤兔颈动脉内皮诱导血栓形成模型.结果:Pol iv 5或10 mg·kg^(-1)均可显著减少血栓湿重(P<0.05,P<0.01)并抑制血小板聚集(P<0.05,P<0.01).Pol 0.30—1.15 mmol·L^(-1)抑制血小板TXA_2生成(P<0.05,P<0.01),不影响人脐静脉内皮细胞生成PGI_2.结论:Pol具有抗血栓作用;不减少PGI_2,选择性抑制TXA_2是其重要机制之一.展开更多
基金This project was supprted by the Natonal Natural Science Foundation of China No 3880738
文摘Study was carried out in rabbits to determine whether 3,4’,5-trihydroxystibene-3-β-nono-D-glucoside(PD)has wasodilative action using volumetric method.The result showed PD(1.71 mol/L)caused a right shift of the cumulative concentration-reponse curve of uorepinephfine(NE)and lowered the maximal response of rabbit’s pulmonary arteries.It implies that PD couldinhibit the vasoconstfictive effect of NE in a noncompetitive manner.PD dilated the pulmonaryarteries(4.09 and 5.12mmol/L)and the carotid(5.12mmol/L)of rabbits.This PD-induced relax-ation of puhnonary artenes was weakened by propranolol(87.8μmol/L).