Different modes of ubiquitination of the adaptor TRAF3 selectively activate the expression of type I interferons and proinflammatory cytokines.
Different modes of ubiquitination of the adaptor TRAF3 selectively activate the expression of type I interferons and proinflammatory cytokines.
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Balanced production of type I interferons (IFN) and proinflammatory cytokines upon engagement of Toll-like receptors (TLRs), which signal via adaptors containing a Toll-IL-1-Receptor (TIR) domain, such as MyD88 and TRIF, has been proposed to control the pathogenesis of autoimmune disease and tumor responses to inflammation. Here we show that TRAF3, a ubiquitin ligase that interacts with both MyD88 and TRIF, differentially regulated production of IFN and proinflammatory cytokines. Degradative TRAF3 ubiquitination during MyD88-dependent TLR signaling was essential for activation of mitogen-activated protein kinases (MAPKs) and inflammatory cytokine production. By contrast, TRIF-dependent signaling triggered non-canonical TRAF3 self-ubiquitination that activated the IFN response. Inhibition of degradative TRAF3 ubiquitination prevented expression of all proinflammatory cytokines without impacting the IFN response.
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影响因子:
32.4
作者:
Kawai, T;Adachi, O;Akira, S
通讯作者:
Akira, S
影响因子:
64.8
作者:
Lawrence, T;Bebien, M;Karin, M
通讯作者:
Karin, M
影响因子:
11.8
作者:
Macia, Eric;Ehrlich, Marcelo;Kirchhausen, Tomas
通讯作者:
Kirchhausen, Tomas
影响因子:
64.5
作者:
Micheau, O;Tschopp, J
通讯作者:
Tschopp, J
DOI:
10.1083/jcb.111.5.1811
发表时间:
1990-11
期刊:
The Journal of cell biology
影响因子:
--
作者:
Beaumelle BD;Gibson A;Hopkins CR
通讯作者:
Hopkins CR