C. Confocal images of MDA-MB-231 cells transfected with ZsGreen or ZsRASSF1C grown in 3D-collagen matrix. Cells were imaged and stained with Phalloidin-568 (red), pMLCII/Alexa‑633 (false‑coloured green) or imaged for ZsGreen (false-coloured white). Scale 20 μm. 