Western blot analysis of the effects of compounds with PAK inhibitory activities (1, 3, 4, 10, 11, and 15) versus OSU-03012 on PDK1 phosphorylation of Akt (Thr308) and PAK phosphorylation of vimentin (Ser56) relative to that of DMSO after 6 hours of treatment in BCPAP, FTC133, and TPC1 cells.