E4F1 and breast cancer: Among these, 12 have been documented as associated with triple-negative breast cancer or breast cancer in general, including HSPA1L [29], H2AFZ [30], ID1 [31], EZR [32], ERF [33], E4F1 [34], EZH2 [35], PML [36], MBD2 [37], PAXIP1 [38], BRCA1 [39], and CPSF4 [40].