Reactive Oxygen Species in Metabolic and Inflammatory Signaling

Reactive Oxygen Species in Metabolic and Inflammatory Signaling

Steven J. Forrester, Daniel S. Kikuchi, Marina S. Hernandes, Qian Xu, Kathy K. Griendling

Endoplasmic reticulum and reactive oxygen species (ROS). The endoplasmic reticulum (ER) is highly sensitive to redox status, and altered ROS signaling can influence protein folding, Ca2+ release, and mitochondrial respiration. ATF6 indicates activating transcription factor 6; CAMKKII, Ca2+/calmodulin-dependent protein kinase II; Cyto, cytoplasm; ER, endoplasmic reticulum; ERO1, ER oxidoreductin 1; GPX, glutathione peroxidase; GRP78, glucose-regulated protein, 78 kDa; GSH, glutathione; GSSG, glutathione disulfide; IMS, intermembrane space; IP3R, inositol 1,4,5-trisphosphate receptor; IRE1α, inositol-requiring enzyme 1α; MCU, mitochondrial calcium uniporter; NOX, nicotinamide adenine dinucleotide phosphate (NADPH) oxidase; OxPL, oxidized phospholipid; p66shc, SHC-transforming protein 1 isoform p66; PDI, protein disulfide isomerase; PERK, protein kinase R (PKR)–like endoplasmic reticulum kinase; and Prdx, peroxiredoxin [Powerpoint File]

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