USP4 targets TAK1 to downregulate TNFα-induced NF-κB activation.
USP4 targets TAK1 to downregulate TNFα-induced NF-κB activation.
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USP4靶向TAK1以下调TNFα诱导的NF-κB激活。
DOI:
10.1038/cdd.2011.11
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发表时间:
2011-10
影响因子:
12.4
通讯作者:
中科院分区:
文献类型:
--
作者:
Lys63-linked polyubiquitination of TAK1 plays an important role in TNFα-induced NF-κB activation. Using a functional genomic approach, we have identified Ubiquitin Specific Peptidase 4 (USP4) as a deubiquitinase for TAK1. USP4 deubiquitinates TAK1 in vitro and in vivo. TNFα induces association of USP4 with TAK1 to deubiquitinate TAK1 and downregulate TAK1-mediated NF-κB activation. Overexpression of USP4 wild-type, but not deuibiquitinase-deficient C311A mutant, inhibits both TNFα- and TAK1/TAB1 co-overexpression-induced TAK1 polyubiquitination and NF-κB activation. Notably, knockdown of USP4 in HeLa cells enhances TNFα-induced TAK1 polyubiquitination, IKK phosphorylation, IκBα phosphorylation and ubiquitination as well as NF-κB-dependent gene expression. Moreover, USP4 negatively regulates IL-1β-, LPS-and TGFβ-induced NF-κB activation. Together, our results demonstrate that USP4 serves as a critical control to downregulate TNFα-induced NF-κB activation through deubiquitinating TAK1.
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DOI:
10.1084/jem.20062694
发表时间:
2007-06-11
期刊:
The Journal of experimental medicine
影响因子:
--
作者:
Reiley WW;Jin W;Lee AJ;Wright A;Wu X;Tewalt EF;Leonard TO;Norbury CC;Fitzpatrick L;Zhang M;Sun SC
通讯作者:
Sun SC
影响因子:
16
作者:
Bertrand, Mathieu J. M.;Milutinovic, Snezana;Barker, Philip A.
通讯作者:
Barker, Philip A.
影响因子:
16
作者:
Ea, CK;Deng, L;Chen, ZJJ
通讯作者:
Chen, ZJJ
影响因子:
30.5
作者:
Sato, S;Sanjo, H;Akira, S
通讯作者:
Akira, S
影响因子:
56.9
作者:
Delhase, M;Hayakawa, M;Karin, M
通讯作者:
Karin, M