Pleiotropic Effects of Pasteurella multocida Toxin Are Mediated by Gq-dependent and -independent Mechanisms
Pleiotropic Effects of Pasteurella multocida Toxin Are Mediated by Gq-dependent and -independent Mechanisms
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多杀性巴氏杆菌毒素的多效性是由 Gq 依赖性和非依赖性机制介导的
DOI:
10.1074/jbc.m007819200
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发表时间:
2001
期刊:
影响因子:
--
通讯作者:
S. Offermanns
中科院分区:
文献类型:
--
作者:
A. Zywietz;A. Gohla;M. Schmelz;G. Schultz;S. Offermanns
Pasteurella multocida toxin (PMT) is a highly potent mitogen for a variety of cell types. PMT has been shown to induce various cellular signaling processes, and it has been suggested to function through the heterotrimeric G-proteins Gq/G11. To analyze the role of Gq/G11 in the action of PMT, we have studied the effect of the toxin in Gαq/Gα11double-deficient fibroblasts as well as in fibroblasts lacking only Gαq or Gα11. Interestingly, formation of inositol phosphates in response to PMT was exclusively dependent on Gαq but not on the closely related Gα11. Although Gαq/Gα11 double-deficient and Gαq-deficient cells did not respond with any production of inositol phosphates to PMT, PMT was still able to induce various other cellular effects in these cells, including the activation of Rho, the Rho-dependent formation of actin stress fibers and focal adhesions, as well as the stimulation of c-Jun N-terminal kinase and extracellular signal-regulated kinase. These data show that PMT leads to a variety of cellular effects that are mediated only in part by the heterotrimeric G-protein Gq.
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DOI:
10.1016/s0021-9258(18)35680-1
发表时间:
1992-12
期刊:
The Journal of biological chemistry
影响因子:
--
作者:
Dianqing Wu;A. Katz;C. Lee;Melvin I. Simon
通讯作者:
Dianqing Wu;A. Katz;C. Lee;Melvin I. Simon
DOI:
--
发表时间:
1993-07
期刊:
The Journal of biological chemistry
影响因子:
--
作者:
J. Hepler;T. Kozasa;A. Smrcka;Melvin I. Simon;S. Rhee;P. Sternweis;A. Gilman
通讯作者:
J. Hepler;T. Kozasa;A. Smrcka;Melvin I. Simon;S. Rhee;P. Sternweis;A. Gilman
DOI:
10.1073/pnas.87.23.9113
发表时间:
1990-12-01
影响因子:
11.1
作者:
STRATHMANN, M;SIMON, MI
通讯作者:
SIMON, MI
DOI:
10.1016/s0021-9258(18)98970-2
发表时间:
1991-06
期刊:
The Journal of biological chemistry
影响因子:
--
作者:
Ronald L. Wange;A. Smrcka;P. Sternweis;J. Exton
通讯作者:
Ronald L. Wange;A. Smrcka;P. Sternweis;J. Exton