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Updated: May 30, 2026

Rapid Quantification of Oxidized and Reduced Forms of Glutathione Using Ortho -phthalaldehyde in Cultured Mammalian Cells In Vitro
Published on: June 28, 2024
The interplay of glutathione-related processes in antioxidant defense
N H Cnubben1, I M Rietjens, H Wortelboer
1TNO Nutrition and Food Research, PO Box 360, 3700 AJ Zeist, Netherlands; WUR/TNO Centre for Food Toxicology, PO Box 8000, 6700 EA Wageningen, Netherlands.
Abstract:
This review summarizes current knowledge on glutathione (GSH) associated cellular processes that play a central role in defense against oxidative stress. GSH itself is a critical factor in maintaining the cellular redox balance and has been demonstrated to be involved in regulation of cell signalling and repair pathways. Enhanced expression of various enzymes involved in GSH metabolism, including glutathione peroxidases, γ-glutamyl cysteinyl synthetase (γ-GCS), glutathione S-transferases (GST) and membrane proteins belonging to the ATP-binding cassette family, such as the multidrug resistance associated protein, have all been demonstrated to play a prominent role in cellular resistance towards oxidative stress. This review stresses the fact that aco-ordinateinterplay between these systems is essential for efficient protection against oxidative stress.
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