CEACAM5 and colon carcinoma: In addition, SERCA inhibition enhances the expression of carcinoembryonic antigen (CEA), a differentiation marker, during post-confluent differentiation of Caco-2 colon carcinoma cells [85], confers cytokine independency to TF-1 erythroleukemia cells [120], and induces HIV expression in latently infected T cells [121].