Differential Signaling Circuits in Regulation of Ultraviolet C Light-induced Early- and Late-phase Activation of NF-κB

Overview

Journal Photochem Photobiol

Specialties Biochemistry
Biology
Chemistry

Date 2010 Jun 18

PMID 20553411

Citations 3

Authors

Shiyong Wu

Lingying Tong

Affiliations

Soon will be listed here.

Abstract

Ultraviolet C light (UVC) induces nuclear factor-kappa B (NF-κB) activation via a complex network. In the early phase (4-12 h) of irradiation, NF-κB activation is accompanied with IκBα reduction via a translation inhibition pathway. In the late phase of UVC-induced NF-κB activation (16-24 h), the IκBα depletion is a combined result of regulation at both transcriptional and translational levels. However, the NF-κB activation appears to be independent of the level of IκBα. In this review, we will discuss the multiple signaling circuits that regulate NF-κB activation during the early and late phases of UVC irradiation.

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