Abstract
The NF-κB transcription factor is in fact a family of related proteins which dimerize to form at least 12 distinct complexes which regulate the expression of hundred of genes of importance to a range of physiological and pathological processes. The binding of NF-κB to the regulatory regions and promoters of target genes is influenced by a number of factors including the sequence of DNA-binding sites, the posttranslational modification of NF-κB, and the interaction of cofactors and co-regulators of transcription. In addition, the binding of NF-κB to promoters is highly dynamic and the recruitment of specific subunits to specific binding sites may occur with distinct kinetics. Moreover, genome-wide analysis of NF-κB chromatin binding indicates that the majority of DNA-binding events are not associated with changes in transcriptional activity. Thus, the analysis of NF-κB recruitment and activity at specific binding sites is of critical importance in understanding the regulation of transcription. In this chapter we describe a chromatin immunoprecipitation assay to investigate the in situ binding of NF-κB to specific sites in the genome.
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Colleran, A., Collins, P.E., Carmody, R.J. (2015). Assessing Sites of NF-κB DNA Binding Using Chromatin Immunoprecipitation. In: May, M. (eds) NF-kappa B. Methods in Molecular Biology, vol 1280. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-2422-6_4
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DOI: https://doi.org/10.1007/978-1-4939-2422-6_4
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