Glutathione: Role in Oxidative Nitrosative Stress, Antioxidant Defense, and Treatments Raj Rai 2021 ChemistrySelect Wiley Online Library Frontiers Glutathione: Pharmacological aspects and implications for clinical use in non alcoholic fatty liver disease Glutamylcysteine synthetase and glutamyl transferase as differential enzymatic sources of glutamylpeptides in mice Amino Acids Springer Nature Link The glutathione cycle: Glutathione metabolism beyond the glutamyl cycle Bachhawat 2018 IUBMB Life Wiley Online Library Frontiers Glutathione: A Samsonian life sustaining small molecule that protects against oxidative stress, ageing and damaging inflammation Gamma glutamyltransferase of Cancer Cells at the Crossroads of Tumor Progression, Drug Resistance and Drug Targeting Anticancer Research