Figure 3. Role of Nodal/Activin and FGF signalling pathways in ectoderm specification. Expression at G4 and N2 stages of Neurogenin, Hu/Elav, K1 and Otx in control embryos, in embryos treated with recombinant Activin protein, and in embryos treated with both Activin and SU5402. All in situ hybridization images are side views with anterior towards the left. Enlargements of the anterior region (white frame) of N2 stage embryos are presented below the pictures of whole embryos to highlight Otx expression in the ectoderm. Scale bar, 50 µm.
Image published in: Le Petillon Y et al. (2017)
Image downloaded from an Open Access article in PubMed Central. Image reproduced on Xenbase with permission of the publisher and the copyright holder.
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