ZDHHC18 and central nervous system cancer: ZDHHC18 negatively regulates cGAS‐mediated innate immunity through palmitoylation655; MDH2 palmitoylation by ZDHHC18 sustains mitochondrial respiration and promotes the progress of ovarian cancer656; ZDHHC18 can regulate the cellular plasticity of glioma stem cells and contributes to their survival.657