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Fig. 2 Supplemental 2 Pizotifen suppressed metastatic dissemination of MDA-MB-231 and MIA-PaCa2 cells in a zebrafish xenotransplantation model. (A) Representative images of dissemination of 231R cells in zebrafish xenotransplantation model. The fish larvae that were inoculated with 231R cells were treated with either vehicle (top left, bottom left) or pizotifen (top right, bottom right). (B) Representative images of dissemination of MIA-PaCa2 cells in zebrafish xenotransplantation model. The fish were inoculated with MIA-PaCa2 cells, and treated with either vehicle (top left) or drug (lower left). White arrow heads indicate disseminated MIA-PaCa2 cells. The images were shown in 4× magnification. Scale bar, 100 μm. The mean frequencies of the fish showing head, trunk, or end-tail dissemination were tabulated (right). Each value is indicated as the mean ± SEM of two independent experiments. Statistical analysis was determined by Student’s t test.