MICAL1 and cancer: The mechanism was demonstrated to be associated with MICAL1's negative control of mammalian Ste‐20‐like kinase 1 (MST1)‐nuclear‐Dbf2‐related kinase (NDR) apoptotic signalling by competing with MST1 for NDR binding.5, 16 Despite its characteristic on anti‐apoptosis, whether MICAL1 could influence cancer cell proliferation and the underlying molecular mechanism remains unclear.