Fig. 5. Effect of LY 294002 on actin cytoskeleton changes induced by uPA and EGF.
(A-F) Cells stained with Alexa-568-conjugated phalloidin are shown. Cells were
stimulated with 10 nM mut C uPA for (A) 3 minutes, (B) 30 minutes, (D) 3
minutes + LY 294002 (5 µM; 1 hour pre-treatment) or (E) 30 minutes + LY
294002. Cells were stimulated with 10 ng/ml EGF for (C) 30 minutes and (F) 30
minutes + LY 294002. Bar, 10 µm. (G) Quantification of cells with
microspikes/lamellipodia. The number of microspikes and lamellipodia were
counted after 3 minutes and 30 minutes of stimulation, respectively.