Erbstatin blocks platelet activating factor‐induced protein‐tyrosine phosphorylation, polyphosphoinositide hydrolysis, protein kinase C activation, serotonin secretion and aggregation of rabbit platelets

Erbstatin blocks platelet activating factor‐induced protein‐tyrosine phosphorylation, polyphosphoinositide hydrolysis, protein kinase C activation, serotonin secretion and aggregation of rabbit platelets
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厄布他汀阻断血小板激活因子诱导的蛋白酪氨酸磷酸化、多磷酸肌醇水解、蛋白激酶 C 激活、血清素分泌和兔血小板聚集

DOI:
10.1016/0014-5793(90)80715-u
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发表时间:
1990
期刊:
影响因子:
3.5
通讯作者:
S. Pelech
S. Pelech
中科院分区:
生物学3区
文献类型:
--
作者:
H. Salari;V. Duronio;Sandra L. Howard;M. Demos;Kelvin Jones;A. Reany;A. T. Hudson;S. Pelech

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使用一系列抑制蛋白酪氨酸激酶的合成化合物,在兔血小板中研究了蛋白酪氨酸磷酸化在血小板活化因子(PAF)信号转导中的作用。Erbstatin(IC 50 ~20)可抑制血小板对PAF的多种反应,包括细胞蛋白酪氨酸磷酸化、多磷酸肌醇转换、膜蛋白激酶C激活、血小板聚集和5-羟色胺分泌。化合物RG 50864的效力约为厄布他汀的三分之一,也抑制了许多这些反应,而在100,染料木素,670 C88和ST 271没有效果。最后,凝血酶引起血小板聚集和5-羟色胺分泌的能力也受到厄布他汀的影响。
The role of protein‐tyrosine phosphorylation in the signal transduction of platelet activating factor (PAF) was investigated in rabbit platelets with a range of synthetic compounds that inhibit protein‐tyrosine kinases. In particular, erbstatin (IC50~20) abrogated a wide range of platelet responses to PAF, including tyrosine phosphorylation of cellular proteins, polyphosphoinositide turnover, activation of membranous protein kinase C, platelet aggregation, and serotonin secretion. With about a third of the potency of erbstatin, compound RG50864 also inhibited many of these responses, whereas at 100 , genistein, 670C88 and ST271 were without effect. Finally, the ability of thrombin to cause platelet aggregation and serotonin secretion was also compromised by erbstatin.
DOI: 10.1073/pnas.83.4.852
发表时间: 1986-02-01
影响因子: 11.1
作者:
GOLDEN, A;NEMETH, SP;BRUGGE, JS
通讯作者: BRUGGE, JS
鞘氨醇对人血小板激动剂依赖性分泌和激活的抑制意味着蛋白激酶 C 是信号转导途径的必要且常见的事件。
DOI: --
发表时间: 1987
期刊: The Journal of biological chemistry
影响因子: --
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通讯作者: Bell,RM
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DOI: --
发表时间: 1989
期刊: The Journal of biological chemistry
影响因子: --
作者:
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通讯作者: Carpenter,G