KLF4-ChiP assays in D2A1 tumor cells with KLF4 overexpression (Figure 4G) revealed that KLF4 protein was enriched at the −500~−250 and −150~+30 bp regions of the SLURP1 promoter (Figure 4H), consistent with this motif mapping. This evidence concerns the gene KLF4 and neoplasm.