MYC and cancer: Conversely, we found no loss of ERBB2, EGFR, ABL1, RELA, and RELB transcript in c-MYC-destabilized cells compared to controls (Supplementary Figure S6E,F), and the 3′UTRMYC1-18-treated cancer cells tended to restore MYC expression towards the normal female mammary epithelial expression levels (Supplementary Figure S6D).