KRAS and colorectal carcinoma: To assess the contribution of serpinE2 in human colorectal cancer, serpinE2 expression was first examined in various CRC cell lines including Caco-2/15 as well as others exhibiting mutation in KRAS (HCT-116, DLD-1, LoVo, SW480, T84) or BRAF (Colo-205, HT-29) [36].