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. 2013 Sep 9;8(9):e73940. doi: 10.1371/journal.pone.0073940

Figure 6. DCLK1 regulates angiogenic factors.

Figure 6

A, siRNA-mediated knockdown of DCLK1 results in decreased expression of VEGFR1 mRNA in NPsiDCLK1 treated tumor xenografts. A decrease in VEGFR1 protein was observed in NPsiDCLK1 treated tumors (B – Western blot; C – Immunofluorescence – left panel, VEGFR1 red). D, Following the knockdown of DCLK1, a decrease in VEGFR1-3’UTR-dependent luciferase activity was observed in AsPC-1 cells. E, Knockdown of DCLK1 results in decreased expression of VEGFR2 mRNA in NPsiDCLK1 treated tumor xenografts. F, A decrease in VEGFR2-3’UTR-dependent luciferase activity was observed in AsPC-1 cells. NPsiDCLK1-mediated knockdown of DCLK1 resulted in decreased expression of VEGFR2 protein estimated using immunofluorescent analysis (C – right panel, VEGFR2 red). Values in the bar graphs in A, B, D and E, are given as average ± SEM, and asterisks denote statistically significant differences (*P < 0.01) compared with Control (NP alone).