Isolation and characterization of two novel A20-like proteins.
The transcription factor nuclear factor kappa B (NF-kappa B) 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-kappa B. 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-kappa B) 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-kappa B. It is likely, therefore, that Cezanne participates in the regulation of inflammatory processes.
Mesh Terms:
Amino Acid Sequence, Animals, Cells, Cultured, Cloning, Molecular, Cysteine Endopeptidases, Gene Expression Regulation, Humans, Intracellular Signaling Peptides and Proteins, Mice, Molecular Sequence Data, NF-kappa B, Nuclear Proteins, Proteins, Sequence Homology, Amino Acid, Subcellular Fractions, TNF Receptor-Associated Factor 6, Transcription, Genetic
Amino Acid Sequence, Animals, Cells, Cultured, Cloning, Molecular, Cysteine Endopeptidases, Gene Expression Regulation, Humans, Intracellular Signaling Peptides and Proteins, Mice, Molecular Sequence Data, NF-kappa B, Nuclear Proteins, Proteins, Sequence Homology, Amino Acid, Subcellular Fractions, TNF Receptor-Associated Factor 6, Transcription, Genetic
Biochem. J.
Date: Aug. 01, 2001
PubMed ID: 11463333
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