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. 2001 Feb 2;276(5):3302-9.
doi: 10.1074/jbc.M006507200. Epub 2000 Oct 17.

ESE-1 is a novel transcriptional mediator of inflammation that interacts with NF-kappa B to regulate the inducible nitric-oxide synthase gene

S Rudders  1 , J Gaspar, R Madore, C Voland, F Grall, A Patel, A Pellacani, M A Perrella, T A Libermann, P Oettgen
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ESE-1 is a novel transcriptional mediator of inflammation that interacts with NF-kappa B to regulate the inducible nitric-oxide synthase gene

S Rudders et al. J Biol Chem. .
Free article

Abstract

Inflammation is a hallmark of several vascular diseases. The nuclear factor kappaB (NF-kappaB) transcription factors are dimeric proteins involved in the activation of a large number of genes in response to inflammatory stimuli. We report the involvement of a novel member of the ETS transcription factor, ESE-1, in mediating vascular inflammation. ESE-1 is induced in response to inflammatory cytokines and lipopolysaccharide in vascular smooth muscle cells, endothelial cells, and cells of the monocyte-macrophage lineage. This induction occurs within hours of stimulation and is mediated by NF-kappaB transactivation of the ESE-1 promoter. We have identified the inducible form of nitric-oxide synthase (NOS2) as a putative target for ESE-1. ESE-1 can bind to the p50 subunit of NF-kappaB, and cotransfection of ESE-1 with the p50 and p65 subunits of NF-kappaB synergistically enhances transactivation of the NOS2 promoter by ESE-1. An ESE-1-binding site within the NOS2 promoter has been identified, the site-directed mutagenesis of which completely abolishes the ability of ESE-1 to transactivate the NOS2 promoter. Finally, in a mouse model of endotoxemia, associated with acute vascular inflammation, ESE-1 is strongly expressed in vascular endothelium and smooth muscle cells. In summary, ESE-1 represents a novel mediator of vascular inflammation.

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