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Figure Caption
Fig. S3
SHF progenitors do not undergo aberrant apoptosis in nkx2.5 morphants. (A-D) Confocal images of hearts in 23-somite stage(A,B) and 24 hpf (C,D) control (n=67) and morphant (n=70) embryos ubiquitously expressing the yellow fluorescent apoptosis reporter secA5-YFP (van Ham et al., 2010). Myocardial cells are labeled with a blue fluorescent protein (cerulean). ss, somite stage; hpf, hours postfertilization; Ctrl, control; MO, morpholino.
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