Figure 3. S1P1 activation in embryos.
S1P1 GFP signaling and H2B-GFP E9.5 and E10.5 mouse embryos were imaged using a fluorescence stereomicroscope. TC, telencephalon; HT, heart; DA, dorsal aorta. Four litters each of E9.5 and E10.5 embryos were examined.