To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 1 Initiation of lamellipodia and ruffles involves cooperation between mDia1 and the Arp2/3 complex T. Isogai, R. van der Kammen, D. Leyton-Puig, K. M. Kedziora, K. Jalink, and M. Innocenti J Cell Sci 2015. 128:3796-3810; doi: 10.1242/jcs.176768 Download Original Video