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首页> 外文期刊>Platelets >Effects of P2Y1 and P2Y12 receptor antagonists on ADP-induced shape change of equine platelets: comparison with human platelets.
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Effects of P2Y1 and P2Y12 receptor antagonists on ADP-induced shape change of equine platelets: comparison with human platelets.

机译:P2Y1和P2Y12受体拮抗剂对ADP诱导马血小板形态变化的影响:与人血小板的比较。

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摘要

Platelet activation by adenosine 5' -diphosphate (ADP) is via both P2Y(1 )and P2Y(12) receptors and leads to shape change and aggregation. The effects on ADP-induced platelet shape change of two P2Y(1) antagonists, adenosine 3'-phosphate, 5'-phosphosulfate (A3P5PS) and 2-deoxy-N(6)-methyladenosine 3', 5'-diphosphate (MRS-2179) and a P2Y(12) antagonist 2-propylthio-D-beta,gamma-dichloromethylene-adenosine 5'-triphosphate (AR-C67085MX) were determined by turbidimetric aggregometry and scanning electron microscopy (SEM) on equine and human platelets. The platelet aggregation was inhibited during aggregometry by 4-[4-[4(aminoiminomethyl)phenyl]-1-piperazinyl]-1-piperidin acid hydrochloride trihydrate (GR 144053F), an inhibitor of fibrinogen binding. From aggregation profiles, concentration-response curves and SEM we conclude that the shape change of equine platelets was susceptible to inhibition by the P2Y(1) antagonists A3P5PS and MRS-2179, but less so than human platelets. The P2Y(12) antagonist AR-C67085 did not influence significantly the shape change of either equine or human platelets.
机译:腺苷5'-二磷酸(ADP)激活的血小板同时通过P2Y(1)和P2Y(12)受体,导致形状改变和聚集。两种P2Y(1)拮抗剂,腺苷3'-磷酸,5'-磷酸亚砜(A3P5PS)和2-脱氧-N(6)-甲基腺苷3',5'-二磷酸(MRS)对ADP诱导的血小板形状变化的影响-2179)和P2Y(12)拮抗剂2-丙硫基-D-β,γ-二氯亚甲基-腺苷5'-三磷酸酯(AR-C67085MX)通过比浊凝集法和扫描电子显微镜(SEM)在马和人的血小板上测定。在凝集测定过程中,血小板凝集被纤维蛋白原结合抑制剂4- [4- [4- [4(氨基亚氨基甲基)苯基] -1-哌嗪基] -1-哌啶酸盐酸盐三水合物(GR 144053F)抑制。从聚集曲线,浓度-响应曲线和SEM,我们得出结论,马血小板的形状变化易于受到P2Y(1)拮抗剂A3P5PS和MRS-2179的抑制,但不及人类血小板。 P2Y(12)拮抗剂AR-C67085不会显着影响马或人血小板的形状变化。

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