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Fig. 7. Molecular characterisation of Tshz3lacZ/lacZ
ureters. (A-F) In situ hybridisation on transverse sections of
E15.5 proximal ureters of wild type (A,C,E) and Tshz3-null mutant
(B,D,F). Patterns of expression (red dots) were similar in both genotypes,
with Shh expressed in urothelia (A,B), and Ptch1 (C,D) and
Bmp4 (E,F) expressed in peri-urothelial cells. Silver grains were
pseudo-coloured in Adobe Photoshop. (G,H) E14.5 proximal ureter
sections from wild type (G) or null mutant (H) immunostained for pSMAD 1/5/8
(red) and DAPI (blue).