Video 5.
Intervention with collective invasion by the gap junction channel blocker (CBX). Time-lapse imaging by bright-field microscopy of established invasive 4T1 strands in 3D collagen I after challenge with connexin inhibitor CBX and followed by drug washout. Field size: 1,174 × 881 µm. The playback speed is indicated in the time stamp of the video. Related to Fig. 3 l.