Micrograph of isolated fibroblasts

   3T3 fibroblast actin filament structure before H-7 was added into the cell medium.

  3T3 fibroblast actin filament structure 1 hour after H-7 was added to cell medium (120 microM)

  3T3 fibroblast actin filament structure 4 hours after H-7 was added to cell medium (120 microM)

  3T3 fibroblast actin filament structure 2 hour replacing H-7 containing medium with fresh medium

  HCT-116 carcinoma actin filaments stained with Alexa Fluor® 488 phalloidin.