PARK7 and Parkinson disease: Furthermore, Parkinson's disease‐related loss‐of‐function mutations in DJ‐1 (E64D, M26I, A104T, L166P) and iPLA2β (R747W) increase susceptibility to ferroptosis by suppressing s‐adenosylhomocysteine hydrolase‐mediated cysteine generation for GSH production and inhibiting the hydrolysis of 15‐HpETE from phosphatidylethanolamine (PE).146, 147