General redox systems

General redox systems refer to the broad network of enzymes, antioxidants, and small molecules that maintain cellular redox homeostasis by balancing the production and elimination of reactive oxygen species (ROS). Key components include the glutathione system (GSH, glutathione peroxidase, and reductase), the thioredoxin system, and enzymes such as superoxide dismutase and catalase. These systems are critical for protecting cellular components like DNA, proteins, and lipids from oxidative damage, which is a hallmark of various pathologies including cancer, neurodegeneration, and cardiovascular disease. While many drugs target specific components of these systems to mitigate oxidative stress or induce apoptosis in cancer cells, the term itself describes a functional category rather than a single molecular target. Consequently, therapeutic intervention in general redox systems often faces challenges regarding specificity and the potential to interfere with necessary physiological signaling pathways.

Other names

Redox homeostasis systemsAntioxidant systemsOxidoreduction systems

Modulation of cellular redox potential through scavenging of reactive oxygen species (ROS), replenishment of antioxidant pools, or inhibition of pro-oxidant enzymes.