To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 7 Nm23-H1 regulates contact inhibition of locomotion, which is affected by ephrin-B1 M. Tanaka, S. Kuriyama, and N. Aiba J Cell Sci 2012. 125:4343-4353; doi: 10.1242/jcs.104083 Download Original Video