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Article Publish Status: FREE
Abstract Title:

Chrysin Inhibits NF-κB-DependentTranscription by Targeting IκB Kinase in the Atopic Dermatitis-Like Inflammatory Microenvironment.

Abstract Source:

Int J Mol Sci. 2020 Oct 5 ;21(19). Epub 2020 Oct 5. PMID: 33027922

Abstract Author(s):

Hyunjin Yeo, Young Han Lee, Dongsoo Koh, Yoongho Lim, Soon Young Shin

Article Affiliation:

Hyunjin Yeo

Abstract:

Chrysin (5,7-dihydroxyflavone) is a natural polyphenolic compound that induces an anti-inflammatory response. In this study, we investigated the molecular mechanism underlying the chrysin-induced suppression of C-C motif chemokine ligand 5 () gene expression in atopic dermatitis (AD)-like inflammatory microenvironment. We showed that chrysin inhibitedexpression at the transcriptional level through the suppression of nuclear factor kappa B (NF-κB) in the inflammatory environment. Chrysin could bind to the ATP-binding pocket of the inhibitor of κB (IκB) kinase (IKK) and, subsequently, prevent IκB degradation and NF-κB activation. The clinical efficacy of chrysin in targeting IKK was evaluated in 2,4-dinitrochlorobenzene-induced skin lesions in BALB/c mice. Our results suggested that chrysin preventedexpression by targeting IKK to reduce the infiltration of mast cells to the inflammatory sites and at least partially attenuate the inflammatory responses. These findings suggested that chrysin might be useful as a platform for the design and synthesis of small-molecule IKK-targeting drugs for the treatment of chronic inflammatory diseases, such as AD.

Study Type : Animal Study

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