the effects on primary human skin fibroblasts of the structurally unrelated tumor promoters 12-o-tetradecanoylphorbol-13-acetate ( tpa ) and teleocidin b were compared with those of epidermal growth factor ( egf ) and the non-promoting derivative 4-o-methyl tpa ( 4-o-metpa ) by means of two-dimensional gel electrophoresis .
C0086418
human
C0242275
epidermal growth factor