Proteomics

Dataset Information

0

The CARD14WT/E138A interactome.


ABSTRACT: Psoriasis is a chronic inflammatory disease of the skin for which current treatments are only partially effective. There is therefore an urgent need to develop novel therapies with higher efficacy through a better understanding of disease aetiology. Recently, it has been demonstrated that individuals with specific mutations in the gene encoding the adapter protein CARD14 have a high risk of developing psoriasis. Psoriasis associated CARD14 mutations result in enhanced activation of NF-kB transcription factors in keratinocytes. The CARD14/NF-kB axis may therefore be central in driving the pathogenesis of psoriasis. The aim of this project is to investigate the molecular mechanisms by which CARD14 activates the NF-kB pathway. Specifically, within this project, we aim to detail the interaction partners of both WT and a gain-of-function mutant CARD14 (E138A) via SILAC and mass spectrometry.

INSTRUMENT(S): Orbitrap Fusion Lumos

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Cell Culture, Keratinocyte

DISEASE(S): Psoriasis

SUBMITTER: Helen Flynn  

LAB HEAD: Steven Ley

PROVIDER: PXD033039 | Pride | 2024-08-27

REPOSITORIES: Pride

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Publications


Rare mutations in CARD14 promote psoriasis by inducing CARD14-BCL10-MALT1 complexes that activate NF-κB and MAP kinases. Here, the downstream signalling mechanism of the highly penetrant CARD14E138A alteration is described. In addition to BCL10 and MALT1, CARD14E138A associated with several proteins important in innate immune signalling. Interactions with M1-specific ubiquitin E3 ligase HOIP, and K63-specific ubiquitin E3 ligase TRAF6 promoted BCL10 ubiquitination and were essential for NF-κB an  ...[more]

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