A non‐exhaustive list suggests that MCM2,6, 7, 8, 9, 10, 11 MCM3,9, 10, 12 MCM4,9, 10, 13, 14 MCM5,10, 14, 15 MCM6,10, 16 and MCM76, 10, 12 could be powerful diagnostic and prognosis markers in numerous cancer types (also see recent review17). Here, MCM2 is linked to cancer.