期刊
BIOCHEMICAL PHARMACOLOGY
卷 77, 期 4, 页码 670-680出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bcp.2008.10.023
关键词
Ah receptor; NF-kappa B; Epigenetics; Inflammation; Dioxin
资金
- NIEHS [ES09859]
- American Heart Association [0355131Y]
The aryl hydrocarbon receptor (AhR) is a ligand-activated transcription factor that belongs to the basic helix-loop-helix/Per-ARNT-Sim (bHLH-PAS) family. Its ligands include many natural and synthetic compounds, some of which, such as polyhalogenated aromatic hydrocarbons and polycyclic aromatic hydrocarbons, are important environmental contaminants. NF-kappa B is a pleiotropic factor that regulates many physiological and pathophysiological processes including the immune and inflammatory responses. in the past decade, accumulating evidence suggests close interactions between AhR and NF-kappa B pathways, and these interactions are potentially important mechanisms for many pathological processes such as the chemical-induced immune dysfunctions, carcinogenesis and alteration of xenobiotic metabolism and disposition. AhR-NF-kappa B interaction has become a mechanistic linchpin linking certain pathological responses induced by environmental insults. Furthermore, the AhR-NF-kappa B interaction provides basis for therapeutic applications of certain AhR ligands to treat human diseases. The effects of AhR-NF-kappa B on the epigenome are an important area that is not well understood. In this review, I highlight current research regarding the AhR-NF-kappa B(RelA) interactions with emphasis on the epigenetic impacts of these interactions on chromatin modifications and transcription elongation control. (C) 2008 Published by Elsevier Inc.
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