In DHER-14 cells, AG 494 inhibits Cdk2 activation and EGF-dependent DNA synthesis. AG-494 significantly prevents NF-kB activation in silica-stimulated cells, and also reduces NF-kB activation in H 2 O 2 -treated cells. AG-494 (3-9 μM; 5-7 days) inhibits BMP9-induced ALP activity in a dose-dependent manner.