BRAFi-resistant M238R cells overexpressing FSCN1 were obtained after transduction with a FSCN1 lentiviral construct. M238R transduced with a Ctrl lentivirus were used as control. (G) Western Blot analysis of FSCN1, phenotype switch markers and ECM remodeling markers on cell lysates from control and FSCN1 overexpressing cells. 