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Figure S1. (A) The levels of hVEGF protein in cell supernatants were determined by ELISA. The LS-174T cells were cultured and treated in the same conditions as noted in Fig. 3 D. (B and C) Endothelial cell migration assays were performed as those described in Fig. 5 D. (E) The VEGF mRNA in the above human tumor samples were analyzed by quantitative real-time PCR.