Figure 1

The schematic diagrams of the CEA promoter region and NF-κB enhancer- and CEA promoter-related constructs used in this study. (A) The promoter region of CEA gene. FP: footprint site; basal CEA promoter region; essential CEA promoter region; arrow: transcriptional starting point; (B) NF-κB enhancer- and CEA promoter-related constructs. Luc, luciferase cDNA; TP, thymidine phosphorylase cDNA.