A431 epithelial cells A549 epithelial cells Caco-2 adenocarcinoma CHO-K1 epithelial cells Cos-7 fibroblasts, HEK293 epithelial cells HeLa epithelial cells HepG2 epithelial carcinoma HT-29 epithelial cells MCF-7 epithelial cells, MCF-10A epithelial-like cells MDA-MB-231 epithelial cells MDCK normal...