However, the significant asymmetry in these CEs was not observed for other FoxA1/2 ChIP-seq datasets (FoxA2 for liver cancer cell line HepG2 [16]; GSM686926, FoxA1, prostate cell line LNCaP [17] and GSM1505633, FoxA1, embryonic cell lines, [18]). Here, FOXA1 is linked to liver cancer.