KLF4 and cancer: These include 11 genes—BCL6, CTCF, PRDM1, BCL11B, KLF4, MECOM, SALL4, ZNF384, ZNF331, ZFHX3 and ZBTB16—which are included in the Cancer Gene Census (CGC) [34], a list of genes causally implicated in cancer.