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Comparison of anti-angiogenesis effects induced by SU4312 or PTK787/ZK222584 in zebrafish. Tg(Fli-1 : EGFP) transgenic zebrafish embryos (1 dpf) were treated with SU4312 or PTK787/ZK222584 at the indicated concentrations for 48 h. After treatment, inter-segmental vessels (ISV) of zebrafish were observed under fluorescent microscopy. The deficit of blood vessels was indicated by yellow asterisks.
