Directly targeting glutathione peroxidase 4 may be more effective than disrupting glutathione on ferroptosis based cancer therapy ScienceDirect 5 6) By contrast, latency I Burkitt B cells were particularly vulnerable to ferroptosis induction by blockade of either cystine import, glutathione synthesis or glutathione peroxidase 4 (GPX4). Eric also found roles for Glutathione Peroxidase 4 GPX4 Antibody (LHM 2) (NBP3 07344) by Novus, Part of Bio Techne Glutathione peroxidase Wikipedia