TP53 and malignant colon neoplasm: In that study, several colon cancer cell lines expressing mutant p53 (WiDr, HT-29, SW480, and GEO) showed high levels of integrin β4 expression, whereas wt p53-carrying cells (MIP, DLD-1, LoVo, and LNCaP) showed low levels of integrin β4 expression.