Abstract
Reactive oxygen species (ROS) are both mediators and initiators of signaling processes in mammalian cells. Endogenous signaling cascades rely on the enzymatic formation of ROS to mediate transduction of the original signal, whereas many xenobiotics cause endogenous formation of ROS, which then trigger signaling cascades. Here, examples of endogenous ROS sources and of xenobiotic-derived ROS triggering signaling cascades are provided, followed by a discussion of how ROS can stimulate signaling processes. Finally, examples of ROS-dependent regulation of gene expression at transcriptional, epigenetic and posttranscriptional levels are provided.
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Klotz, LO. (2015). Reactive Oxygen Species as Initiators and Mediators of Cellular Signaling Processes. In: Roberts, S., Kehrer, J., Klotz, LO. (eds) Studies on Experimental Toxicology and Pharmacology. Oxidative Stress in Applied Basic Research and Clinical Practice. Humana Press, Cham. https://doi.org/10.1007/978-3-319-19096-9_8
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