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Fig. 4

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ZDB-IMAGE-170227-16
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Figures for De Angelis et al., 2017
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Fig. 4

Depolymerized HA Rescues the tmem2 Mutant Phenotype

(A) Experimental design for hyaluronidase (HA'se) or o-HA injection.

(B) Lateral views of entire trunks of sibling and tmem2hu5935 mutant embryos post-injection and imaged at 38–42 hpf. Yellow asterisks indicate the absence of sprouts in uninjected mutants. Representative images demonstrate phenotypic rescue of tmem2hu5935 mutants following injection with HA'se or o-HA. Scale bar, 150 μm.

(C) Scatterplots summarizing unaffected siblings in the uninjected (n = 23), HA'se injected (n = 23), o-HA injected (n = 13) or hyaluronidase heat-inactivated (HA'se inact) (n = 26) embryos.

(D) Uninjected tmem2hu5935 mutants (n = 19) have significantly fewer ISVs that uninjected siblings. Mutants injected with HA'se (n = 17) or o-HA (n = 14) have significantly rescued phenotypes compared with uninjected mutants. Heat-inactivated HA'se injected mutants were not significantly different from uninjected mutants. ∗∗∗∗p < 0.0001; ns, not significant. Error bars represent ±SEM.

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Reprinted from Developmental Cell, 40, De Angelis, J.E., Lagendijk, A.K., Chen, H., Tromp, A., Bower, N.I., Tunny, K.A., Brooks, A.J., Bakkers, J., Francois, M., Yap, A.S., Simons, C., Wicking, C., Hogan, B.M., Smith, K.A., Tmem2 Regulates Embryonic Vegf Signaling by Controlling Hyaluronic Acid Turnover, 123-136, Copyright (2017) with permission from Elsevier. Full text @ Dev. Cell