Movie 6

4D intravital imaging of orthotopic xenograft tumor cell from Fig. 5A. MDA-MB-231-FUCCI-mCerulean3-Lifeact7 tumor cell in G1 (red nucleus) extends and retracts an actin-rich (cyan) protrusion. Images were acquired every 3 minutes for 30 minutes. Scale bar 10 μm.