The Arp2/3 complex is required for lamellipodia extension and directional fibroblast cell migration.

Suraneni P, Rubinstein B, Unruh JR, Durnin M, Hanein D, Li R. The Arp2/3 complex is required for lamellipodia extension and directional fibroblast cell migration. J Cell Biol. 2012;197:239-251.