Malaria Diagnostic and Parasite Density Prediction Potentials of Frontiers Immunomodulatory and biological properties of helminth derived small molecules: Potential applications in diagnostics and therapeutics Glutathione is such a critical soldier in our line of defense that our bodies make it themselves. We even have mechanisms that recycle and reuse it. But what happens when our toxic X ray structure of glutathione S transferase from the malarial parasite Plasmodium falciparum PNAS Thioredoxin Glutathione Reductase from Schistosoma mansoni: An Essential Parasite Enzyme and a Key Drug Target PLOS Medicine Natural Perylenequinone Compounds as Potent Inhibitors of Schistosoma mansoni Glutathione S Transferase