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ZEB1 suppresses EpCAM mRNA expression through repressing EpCAM promoter activity. ZEB1 or control siRNA-transfected H1299 cells were transfected with TACSTD1 (EpCAM)-PROM firefly luciferase vector or pGL4.11 control vector and phRL-TK renilla luciferase vector. The ratios of firefly/renilla luciferase activities are shown. Representative data from 3 independent experiments are shown. *P < 0.05
