Lung glutathione and oxidative stress: implications in cigarette smoke induced airway disease American Journal of Physiology Lung Cellular and Molecular Physiology American Physiological Society Frontiers Case report: A Chinese patient with glutathione synthetase deficiency and a novel glutathione synthase mutation Frontiers Preclinical investigations of the efficacy of the glutaminase inhibitor CB 839 alone and in combinations in chronic lymphocytic leukemia Ancestral Sequence Reconstruction for Novel Bifunctional Glutathione Synthetase with Enhanced Thermostability and Catalytic Efficiency