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pubmed:abstractText |
Early growth response-1 (Egr-1), an immediate early gene/zinc-finger transcription factor, is required for maximal stimulation of tumor necrosis factor alpha (TNF-alpha) transcription in response to lipopolysaccharide (LPS). Because chronic ethanol exposure sensitizes macrophages to LPS-stimulated TNF-alpha expression, we have investigated the role of Egr-1 in mediating increased LPS-stimulated TNF-alpha expression after chronic ethanol feeding. Furthermore, because TNF-alpha contributes to alcoholic liver injury, we tested the hypothesis that Egr-1 is required for the development of ethanol-induced fatty liver injury in wild type and egr-1 -/- mice.
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