Frontiers Regulation of epigenetic traits of the glutathione S transferase P1 gene: from detoxification toward cancer prevention and diagnosis Glutathione transferases as mediators of signaling pathways involved in cell proliferation and cell death Cell Death & Differentiation The Multifaceted Role of Glutathione S Transferases in Health and Disease Frontiers Glutathione S Transferase P1 Protects Against Amodiaquine Quinoneimines Induced Cytotoxicity but Does Not Prevent Activation of Endoplasmic Reticulum Stress in HepG2 Cells The Relationship of Glutathione S Transferase and Multi Drug Resistance Related Protein 1 in Nitric Oxide (NO) Transport and Storage