Proteomics

Dataset Information

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Systematic analysis of IL-17 receptor signalosome reveals a robust regulatory feedback loop


ABSTRACT: IL-17 mediates immune protection from fungi and bacteria as well as it promotes autoimmune pathologies. However, the regulation of the signal transduction from the IL-17 receptor (IL-17R) remained elusive. We developed a novel mass spectrometry-based approach to identify components of the IL-17R complex followed by analysis of their roles using reverse genetics. Besides the identification of LUBAC as an important signal transducing component of IL-17R, we established that IL-17 signaling is regulated by a robust negative feedback loop mediated by TBK1 and IKKε. These kinases terminate IL-17 signaling by phosphorylating the adaptor ACT1 leading to the release of the essential ubiquitin ligase TRAF6 from the complex. NEMO recruits both kinases to the IL-17R complex, documenting that NEMO has an unprecedented negative function in IL-17 signaling, distinct from its role in NF-κB activation. Our study provides a comprehensive view of the molecular events of the IL-17 signal transduction and its regulation.

INSTRUMENT(S): LTQ FT

ORGANISM(S): Mus Musculus (mouse)

SUBMITTER: Karel Harant  

LAB HEAD: Peter Draber

PROVIDER: PXD019020 | Pride | 2020-07-15

REPOSITORIES: Pride

Dataset's files

Source:
Action DRS
Ctrl_DKO_Exp4A.raw Raw
Ctrl_DKO_Exp4B.raw Raw
Ctrl_WT_Exp1A.raw Raw
Ctrl_WT_Exp1B.raw Raw
Ctrl_WT_Exp1C.raw Raw
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