Fig. 4From: Antitumor activity of the multikinase inhibitor regorafenib in patient-derived xenograft models of gastric cancerEffects of regorafenib on protein expression and phosphorylation in GC17-0409, GC28-1107, and GC09-0109 xenografts. Western blots were performed using two pooled lysates of three to four individual tumors each per groupBack to article page