at 24 h after treatment epidermal growth factor ( 10 ng/ml ) , transforming growth factor-beta ( 1 ng/ml ) , whole bovine pituitary extract ( 70 micrograms/ml ) and 12-o-tetradecanoylphorbol-13-acetate ( tpa ) ( 100 ng/ml ) inhibited intercellular communication .
C1366557
transforming growth factor-beta
C1154413
intercellular