Glutathione Depletion and Stalwart Anticancer Activity of Metallotherapeutics Inducing Programmed Cell Death: Opening a New Window for Cancer Therapy ACS Omega New animal research shows that cancer tumors can support growth by breaking down extracellular glutathione. Glutathione facts: 1. Glutathione is an important antioxidant in the body that helps protect cells from damage caused by free radicals. It is found in almost every cell and is composed of Deubiquitinases Maintain Protein Homeostasis and Survival of Cancer Cells upon Glutathione Depletion: Cell Metabolism Unraveling the Role of GPX4 Pathway in Ferroptosis and its Implications for Gastric Cancer Management Study Finds Cancer Cells Use Glutathione as Fuel to Drive Growth