Glutathione Synthetase Deficiency as a Cause of Hereditary Hemolytic Disease New England Journal of Medicine What genes are blocking homocysteine's progression to either returning to methionine or being used up in the pathway to making glutathione, taurine, or sulphates? Glutathione: the master antioxidant Oxidative Stress Early After Hematopoietic Stem Cell Transplant Transplantation and Cellular Therapy, Official Publication of the American Society for Transplantation and Cellular Therapy Effective Repeated Production of glutamylcysteine, Essential For Intracellular Glutathione Production, Using Cellulose immobilized Phytochelatin Synthase like Enzyme NsPCS Applied Biochemistry and Biotechnology Springer Nature Link