Identification of cytotoxic, glutathione reactive moieties inducing accumulation of reactive oxygen species via glutathione depletion ScienceDirect Role of glutathione depletion and reactive oxygen species generation in apoptotic signaling in a human B lymphoma cell line Cell Death & Differentiation Glutathione depletion induces ferroptosis, autophagy, and premature cell senescence in retinal pigment epithelial cells Cell Death & Disease Glutathione Quantification GSSG GSH Quantification Kit Oxidized Reduced Glutathione Assay Dojindo