IHC analysis of xenografted tumour tissues revealed that MPZ, SCARA3, MPP2 and PBXIP1 expression levels were low in the SW620/sh-MPZ, SW620/sh-SCARA3, SW620/sh-MPP2 and SW620/sh-PBXIP1 groups (Fig. 10D). This evidence concerns the gene PBXIP1 and neoplasm.