Movie 1.

HUVECs were plated on ibidi dishes until 50% confluence and incubated with 1µM SiR-actin for 1h in a 37°C, 5% CO₂ chamber and monitored according to Materials and Methods. Images were converted to a video using Image J and exported in avi format (video1&2: 3fps). The video is accelerated for visualization (fast-forward × 90 times).J.