To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 3 Particle Image Velocimetry (PIV) heat-map of the HaCaT and HT1080 interaction showing global increase in HaCaT cell speed after colliding with HT1080 cells. Blue to red represents a shift from low to high instantaneous velocity. 1 h frames. Heterotypic contact inhibition of locomotion can drive cell sorting between epithelial and mesenchymal cell populations Simon Brayford, Fiona N. Kenny, Toru Hiratsuka, Eduardo Serna-Morales, Lawrence Yolland, Andrei Luchici, and Brian M. Stramer J Cell Sci 2019. 132:None-None; doi: 10.1242/jcs.223974 Download Original Video