human gingival fibroblasts derived from 2 patients before and 9 months after the start of phenytoin ( pht ) therapy were studied with respect to the effect of epidermal growth factor ( egf ) on the incorporation of 3h-thymidine into dna , binding of egf to its cell-surface receptor , internalization of egf-receptor-ligand complexes and , finally , with respect to egf receptor mrna levels .
C0086418
human
C0242275
epidermal growth factor