WASL and metastatic carcinoma: The general significance of these findings might also extend to WIP–N-WASP interactions that occur ubiquitously (Antón et al., 2007), to regulated cell migration (Bañón-Rodríguez et al., 2013) and, in particular, the process of invadopodia formation in some metastatic carcinomas (García et al., 2012; Yu et al., 2012).