The 1311-base pair human tumor necrosis factor ( TNF ) alpha promoter region was fused to the luciferase ( Luc ) reporter gene and studied in a transient transfection system in three TNF producing cell lines , the U937 macrophage cell line , the MLA 144 T cell line , and the 729-6 B cell line .
the 1311-base pair human tumor necrosis factor ( tnf ) alpha promoter region was fused to the luciferase ( luc ) reporter gene and studied in a transient transfection system in three tnf producing cell lines , the u937 macrophage cell line , the mla 144 t cell line , and the 729-6 b cell line .
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