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Fig. S7 PDGF signaling is required for endothelial cell formation. Treatment of fli1a:EGFP fish with PDGFR inhibitor (inh.) from 2 to 7 dpa or 10 dpa. The 7- or 10-dpa hearts were collected and processed (DAPI, blue; tropomyosin, red). Blood vessel formation is marked by fli1a:EGFP (green). The dashed lines mark the approximate position of the amputation plane. (Scale bar = 100 μm.)
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Full text @ Proc. Natl. Acad. Sci. USA