Phorbol esters, but not insulin, promote depletion of cytosolic protein kinase C in rat adipocytes.

Phorbol esters, but not insulin, promote depletion of cytosolic protein kinase C in rat adipocytes.
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佛波酯(而非胰岛素)促进大鼠脂肪细胞中胞质蛋白激酶 C 的消耗。

DOI:
10.1016/0006-291x(86)91044-2
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发表时间:
1986
影响因子:
3.1
通讯作者:
Witters,LA
Witters,LA
中科院分区:
生物学4区
文献类型:
--
作者:
Glynn,BP;Colliton,JW;McDermott,JM;Witters,LA

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促肿瘤的佛波酯在一些组织中具有胰岛素模拟作用。采用两种不同的测定系统,我们比较了磷脂酯和胰岛素对离体大鼠脂肪细胞中Ca++和磷脂依赖性蛋白激酶(蛋白激酶C)的活性和细胞内分布的影响。佛波酯导致细胞质部分激酶活性的迅速消耗和膜提取物活性的出现;这两种作用都不能被胰岛素模仿。这些结果与其他数据一起强调了这些激动剂作用之间的重要差异,并表明蛋白激酶C活性或细胞内分布的变化并不是胰岛素作用级联的必要伴随物。
The tumor-promoting phorbol esters have insulinomimetic effects in several tissues. Employing two different assay systems, we have compared the effects of phorbol ester and insulin on the activity and intracellular distribution of the Ca++and phospholipid dependent protein kinase (protein kinase C) in isolated rat adipocytes. Phorbol ester leads to a prompt depletion of kinase activity from the cytosolic fraction and appearance of activity in membrane extracts; neither of these effects is mimicked by insulin. These results, taken together with other data, emphasize important divergences between the actions of these agonists and suggest that changes in protein kinase C activity or intracellular distribution are not a necessary concomitant of the cascade of insulin action.
DOI: 10.1016/s0021-9258(18)34459-4
发表时间: 1982-07
期刊: The Journal of biological chemistry
影响因子: --
作者:
M. Castagna;Y. Takai;K. Kaibuchi;K. Sano;U. Kikkawa;Y. Nishizuka
通讯作者: M. Castagna;Y. Takai;K. Kaibuchi;K. Sano;U. Kikkawa;Y. Nishizuka
DOI: 10.1111/j.1432-1033.1985.tb08854.x
发表时间: 1985-05
期刊: European journal of biochemistry
影响因子: --
作者:
G. Skoglund;A. Hansson;M. Ingelman-Sundberg
通讯作者: G. Skoglund;A. Hansson;M. Ingelman-Sundberg
DOI: --
发表时间: 1985
期刊: The Journal of biological chemistry
影响因子: --
作者:
Blackshear,PJ;Witters,LA;Girard,PR;Kuo,JF;Quamo,SN
通讯作者: Quamo,SN
佛波酯处理 EL4 胸腺瘤细胞后胞质钙/磷脂依赖性蛋白激酶活性降低。
DOI: 10.1016/s0021-9258(18)33427-6
发表时间: 1982
期刊: The Journal of biological chemistry
影响因子: --
作者:
A. Kraft;W. Anderson;H. Cooper;J. J. Sando
通讯作者: J. J. Sando
DOI: 10.1042/bj2120489
发表时间: 1983-01-01
影响因子: 4.1
作者:
HONEYMAN, TW;STROHSNITTER, W;SCHIMMEL, RJ
通讯作者: SCHIMMEL, RJ