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. 2017 Aug;146:31–41. doi: 10.1016/j.mod.2017.05.004

Fig. 7.

Fig. 7

Flk1-Cre Sox7fl/fl embryos have severe and widespread vascular defects at E10.5. Whole mount PECAM1 staining of Sox7fl/+ and Flk1-Cre Sox7fl/fl embryos at E10.5. (A) 3D projection of embryo proper, white boxes indicate areas of magnification. Data shown are representative of 4 embryos. (B) Top panel: organization of capillaries in posterior region, bottom panel: vitelline artery (VA). (C) Sagittal slices through the embryo proper. DA: dorsal aorta, white arrow indicates length of functional dorsal aorta; yellow arrows indicate malformation of the DA. (D) Mean length of DA relative to embryo ± SEM, n = 6 control (Sox7fl/+ and Sox7fl/fl) versus n = 4 Flk1-Cre Sox7fl/fl embryos. (E) Expression of FLK1 and TIE2 in wild type gastrulating embryos at early streak (left panel) and late streak (right panel) stages measured by flow cytometry.