CDC20 and malignant colon neoplasm: Western blotting analysis revealed elevated CDC20 expression in colon cancer cell lines (DLD1, HT29, HCT116, Lovo, SW620 and THC8307) compared with normal colon epithelial cell lines (NCM460, CCD841-coN and CCD112-coN) (Figure 1A, upper row) (Figure 1A, lower row).