we have used an indirect immunofluorescence assay to demonstrate the cell membrane expression of carcinoembryonic antigen ( cea ) by a pre-malignant colorectal adenoma derived epithelial cell line ( pc/aa ) and three colorectal carcinoma cell lines ( ht29 , pc/jw and pc/jw/fi ) .
C0014597
epithelial cell
C0009402
colorectal