The authors wish to thank Dr. Stephen Lee for SKOV3, MCF7, A549 and HCT116 human cancer cells, Dr. Esta Sterneck for the C/EBPβ floxed mouse, Dr. Charles Keller for the Pax7-CreERtm mouse, Dr. Robert Korneluk for critical reading of this manuscript, Dr. Bernard Jasmin for guidance. The gene discussed is PAX7; the disease is cancer.