Initial Glutathione Depletion During Short Term Bed Rest: Pinpointing Synthesis and Degradation Checkpoints in the Glutamyl Cycle Glutathione Quantification Total Glutathione Quantification Kit Dojindo Glutathione depletion induces ferroptosis, autophagy, and premature cell senescence in retinal pigment epithelial cells Cell Death & Disease GSH Glo Glutathione Assay Glutathione depletion induces ferroptosis, autophagy, and premature cell senescence in retinal pigment epithelial cells Cell Death & Disease Protein S glutathionylation confers cellular resistance to ferroptosis induced by glutathione depletion ScienceDirect