Frontiers Glutathione and mitochondria Overexpression of Glutathione S Transferases in Human Diseases: Drug Targets and Therapeutic Implications An evolving understanding of the S glutathionylation cycle in pathways of redox regulation ScienceDirect Oxidative stress is consistently elevated in GDM cases, with low glutathione levels as well as enzymes that use glutathione being lower as well. Glutathione is used by either glutathione transferases or Frontiers Antioxidant and Oxidative Stress: A Mutual Interplay in Age Related Diseases Glutathione S transferase: A keystone in Parkinson's disease pathogenesis and therapy ScienceDirect