NF-κB in Oxidative Stress

By Krithika Lingappan. Current Opinion in Toxicology, 2017

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The transcription factor nuclear factor-κB (NF-κB) modulates gene expression in diverse cellular processes such as innate immune response, embryogenesis and organ development, cell proliferation and apoptosis, and stress responses to a variety of noxious stimuli. When cellular production of reactive oxygen species (ROS) overwhelms its antioxidant capacity, it leads to a state of oxidative stress, which in turn contributes to the pathogenesis of several human diseases. Different models of oxidative stress have been studied to elucidate the effects of oxidant stress on NF-κB related activities. ROS can both activate and repress NF-κB signaling in a phase and context dependent manner. The NF-κB pathway can have both anti- and pro-oxidant roles in the setting of oxidative stress. In this review, we focus on role of oxidative stress on different mediators of the NF-κB pathway, and the role of NF-κB activation in the modulation of oxidative stress. A greater understanding of the complex interplay between the NF-κB signaling and oxidative stress may lead to the development of therapeutic strategies for the treatment of a myriad of human diseases for which oxidative stress has an etiologic role.

Subfields: Cancer Research, Immunology, Molecular Biology

View Paper: https://www.semanticscholar.org/paper/acec8ac4bdafa20431e713339932533ae73f9d8c

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