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  • Title: A set of inducible genes expressed by activated human monocytic and endothelial cells contain kappa B-like sites that specifically bind c-Rel-p65 heterodimers.
    Author: Parry GC, Mackman N.
    Journal: J Biol Chem; 1994 Aug 19; 269(33):20823-5. PubMed ID: 8063696.
    Abstract:
    NF-kappa B/Rel proteins regulate the inducible expression of many genes in activated monocytes and endothelial cells that contain decameric kappa B and kappa B-like binding sites. In this study, we examined the binding of c-Rel-p65 heterodimers to non-consensus kappa B-like sites from several genes that do not bind prototypic NF-kappa B(p50-p65). c-Rel-p65 heterodimers from both monocytic and endothelial cells bound to the kappa B-like sites in the interleukin-8, granulocyte/macrophage colony-stimulating factor, intercellular adhesion molecule-1, and tissue factor genes but not to a closely related sequence in the granulocyte colony-stimulating factor gene. In contrast, kappa B sites in the endothelial-leukocyte adhesion molecule-1 and Ig kappa genes that match the kappa B consensus, 5'-GGGRNNYYCC-3' (where R indicates A or G, Y indicates C or T, and N indicates any base), bound NF-kappa B(p50-p65). Comparison of the kappa B-like sites indicated that c-Rel-p65 heterodimers bound to a consensus sequence, 5'-HGGARNYYCC-3' (where R indicates A or G, Y indicates C or T, H indicates A, C, or T, and N indicates any base), which differs at position 1 from the kappa B consensus established for binding NF-kappa B(p50-p65) and other members of the NF-kappa B/Rel family. The selective binding of c-Rel-p65 heterodimers to kappa B-like sites in this set of genes may play a central role in regulating inducible gene expression in monocytes and endothelial cells.
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