FOXM1 and neoplasm: In tumours, O‐GlcNAcylation is frequently up‐regulated and promotes cell proliferation and survival by directly modifying key transcription factors (e.g., forkhead box protein M1 (FOXM1), nuclear factor kappa‐B (NF‐κB)) or signalling effectors (e.g., Yes‐associated protein (YAP)).7, 8