The Electron Transport Chain and Pentose Phosphate Pathway biochemistry Response of Human Red Blood Cells to Acute and Chronic Oxidant Challenge as Observed Through the Glutathione and Glutathionyl Hemoglobin Redox Pairs In Vitro and In Vivo Real Time Monitoring of Glutathione in Living Cells Reveals that High Glutathione Levels Are Required to Maintain Stem Cell Function: Stem Cell Reports Glutathione Reductase an overview ScienceDirect Topics