Exploring the Lean Phenotype of Glutathione Depleted Mice: Thiol, Amino Acid and Fatty Acid Profiles PLOS One L Buthionine (S,R) sulfoximine (L Buthionine sulfoximine) G glutamylcysteine Synthetase Inhibitor MedChemExpress 5 6) By contrast, latency I Burkitt B cells were particularly vulnerable to ferroptosis induction by blockade of either cystine import, glutathione synthesis or glutathione peroxidase 4 (GPX4). Eric also found roles for L Buthionine (S,R) sulfoximine Disturbing the Redox Balance Using Buthionine Sulfoximine Radiosensitized Somatostatin Receptor 2 Expressing Pre Clinical Models to Peptide Receptor Radionuclide Therapy with 177Lu DOTATATE