We found that TGFβ stimulation increased the binding of ΔNp63 to LAMB3, ITGA2 and SERPINE1 loci in MCF10A MII cells and in HCC1954 breast cancer cells without affecting ΔNp63 mRNA expression (Fig. 1C and Additional file 3, Fig. S1B, C). This evidence concerns the gene SERPINE1 and breast cancer.