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Oxidative Stress Reduction via Glutathione Replenishment (GSH Replenishment)
- Target
- GSH Replenishment
- Molecular classification
- Antioxidant, Redox regulator, Enzyme cofactor
01
Overview
Oxidative stress reduction via glutathione replenishment refers to strategies or interventions aimed at increasing cellular or systemic levels of glutathione to counteract oxidative stress by neutralizing reactive oxygen species (ROS) and maintaining redox homeostasis. Glutathione is a tripeptide and the cell’s primary endogenous antioxidant. Replenishing GSH stores can protect against DNA damage, apoptosis, protein oxidation, and lipid peroxidation.
- Other names
- Glutathione replenishmentGSH restorationAntioxidant therapy via GSHRedox homeostasis maintenance
02
Mechanism of action
Direct or enzymatic neutralization of ROS, increasing glutathione synthesis or reducing glutathione disulfide (GSSG) back to GSH, supporting Nrf2/HO-1 signaling, or providing precursors for glutathione synthesis.
03
Biological functions
Reactive oxygen species (ROS) scavengingRedox homeostasis maintenanceAntioxidant defenseDetoxificationRegulation of oxidative stress
04
Disease associations
Neurodegenerative disordersCardiovascular diseasesInfertilityCancerAgingInflammation
05
Safety considerations
Potential drug interactionsGastrointestinal distress with oral GSH supplementationLimited bioavailability of oral GSHPotential for pro-oxidant effects at high doses
06
Interacting drugs
N-acetylcysteine (NAC)
4 more in the full profile.
07
Biomarkers
Glutathione (GSH) levels (cellular/systemic)GSH/GSSG ratioGlutathione peroxidase (GPx) activityGlutathione reductase activityOxidative stress markers (e.g., MDA, 8-OHdG)
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