DOK1 and colorectal cancer: Dok1 is a 62‐kDa protein that is phosphorylated by both receptor and nonreceptor tyrosine kinases.73, 74 Dok1 upregulated in the invasive cell population.75 Also, in colorectal cancer, the nuclear localization of Dok1 correlated with poor outcome.76 Although Nck has been reported to bind to Dok1,77 the role of Nck/Dok‐1 interaction in podosome formation has not yet been explored.