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β,γ-亚甲基三磷酸腺苷对二磷酸腺苷诱导的人血小板聚集的抑制作用。

Inhibition of ADP-induced aggregation of human platelets by beta, gamma-methylene-ATP.

作者信息

Evans P M

出版信息

Cytobios. 1978;23(90):101-8.

PMID:158489
Abstract

Like ATP the analogue beta, gamma-methylene-ATP (AMP-PCP) is shown to be an inhibitor of both ADP-induced shape change and aggregation of human platelets. The effect of AMP-PCP on aggregation is not dependent on its conversion to adenosine, though in the presence of plasma adenosine is produced and the inhibitory effect is enhanced. Since AMP-PCP cannot be enzymatically cleaved at the beta, gamma-position the inhibitory effect cannot be attributed to utilisation of the analogue by a surface-located ATPase as has been suggested for ATP. Alternative explanations for the effect are considered with respect to some current theories of ADP-induced platelet aggregation.

摘要

与三磷酸腺苷(ATP)类似,β,γ-亚甲基三磷酸腺苷(AMP-PCP)被证明是二磷酸腺苷(ADP)诱导的人血小板形态变化和聚集的抑制剂。AMP-PCP对聚集的作用并不依赖于其转化为腺苷,不过在血浆存在的情况下会产生腺苷,且抑制作用会增强。由于AMP-PCP不能在β,γ位被酶切,其抑制作用不能像ATP那样归因于位于表面的ATP酶对该类似物的利用。关于ADP诱导血小板聚集的一些当前理论,对该作用的其他解释也在考虑之中。

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Cytobios. 1978;23(90):101-8.
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引用本文的文献

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Specific but noncompetitive inhibition by 2-alkylthio analogues of adenosine 5'-monophosphate and adenosine 5'-triphosphate of human platelet aggregation induced by adenosine 5'-diphosphate.5'-二磷酸腺苷诱导的人血小板聚集受到5'-单磷酸腺苷和5'-三磷酸腺苷的2-烷硫基类似物的特异性而非竞争性抑制。
Br J Pharmacol. 1982 Feb;75(2):397-400. doi: 10.1111/j.1476-5381.1982.tb08800.x.
2
Fibrin, red cell and platelet interactions in an experimental model of thrombosis.血栓形成实验模型中的纤维蛋白、红细胞与血小板相互作用
Br J Pharmacol. 1982 Sep;77(1):29-38. doi: 10.1111/j.1476-5381.1982.tb09265.x.
3
Adenosine 5-diphosphate antagonists and human platelets: no evidence that aggregation and inhibition of stimulated adenylate cyclase are mediated by different receptors.
腺苷5-二磷酸拮抗剂与人类血小板:无证据表明聚集和刺激型腺苷酸环化酶的抑制作用由不同受体介导。
Br J Pharmacol. 1982 May;76(1):221-7. doi: 10.1111/j.1476-5381.1982.tb09210.x.