Journal
ANTIOXIDANTS & REDOX SIGNALING
Volume 11, Issue 9, Pages 2209-2222Publisher
MARY ANN LIEBERT, INC
DOI: 10.1089/ars.2009.2463
Keywords
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Funding
- Action de Recherche Concertee''
- FNRS ( Brussels, Belgium)
- FNRS
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The transcription factor NF-kappa B controls the expression of hundreds of genes involved in the regulation of the immune/inflammatory response, development, and apoptosis. In resting cells, NF-kappa B proteins are sequestered in the cytoplasm through their tight association with I kappa B proteins. NF-kappa B activation relies on the signal-induced I kappa B phosphorylation and degradation, thereby allowing the nuclear translocation of NF-kappa B proteins. In the nucleus, several post-translational modifications of NF-kappa B and chromatin remodeling of target genes are mandatory for NF-kappa B DNA binding and full transcription. Since 1991, reactive oxygen species (ROS) have been implicated in NF-kappa B activation. ROS enhance the cytoplasmic signaling pathways leading to NF-kappa B nuclear translocation, but reduction/oxidation (redox) also controls several key steps in the nuclear phase of the NF-kappa B program, including chromatin remodeling, recruitment of co-activators, and DNA binding. Here we describe the redox regulation of NF-kappa B activity in the nucleus. Antioxid. Redox Signal. 11, 2209-2222.
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