Journal
BIOCHEMICAL JOURNAL
Volume 357, Issue -, Pages 617-623Publisher
PORTLAND PRESS
DOI: 10.1042/0264-6021:3570617
Keywords
inflammation; nuclear factor kappa B; TRAF molecules
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The transcription factor nuclear factor kappaB (NF-kappaB) plays a pivotal role in inflammatory processes through induction of adhesion molecules and chemokines. The zinc finger molecule A20 is an important negative regulator of NF-kappaB. The mechanism utilized by A20 is not fully understood, but A20 has been shown to bind to tumour-necrosis-factor-receptor-associated factor (TRAF) molecules, which are necessary for pro-inflammatory cytokine signalling. We report two novel genes, Cezanne (cellular zinc finger anti-NF-kappaB) and TRABID (TRAF-binding domain), with sequence similarity to A20. Co-immunoprecipitation studies indicated that TRAF6 was able to interact with both Cezanne and TRABID. In contrast, reporter gene experiments revealed a specific ability of Cezanne to down-regulate NF-kappaB. It is likely, therefore, that Cezanne participates in the regulation of inflammatory processes.
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