Fig. 7
- ID
- ZDB-FIG-150313-9
- Publication
- Casari et al., 2014 - A Smad3 transgenic reporter reveals TGF-beta control of zebrafish spinal cord development
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In vivo blocking of Smad3/TGFbeta; signaling impairs neuronal differentiation during early embryonic development. Confocal Z-stack tail images of 24 hpf transgenic embryos expressing GFP under control of neuronal promoter: ngn1, neuroD, and mnx1. Embryos were injected with morpholinos for smad3a at 1–2 cell stage or treated at 2 hpf with Alk5-inhibitor LY364947. As shown with an arrowhead, morpholinos and drug treatment give similar results: increase of proliferative cells (ngn1) at tail tip, decrease of differentiating cells (neuroD) and reduction of late differentiating motor neurons (mnx1). ngn1 is Tg(ngn1:GFP)sb1. neuroD is Tg(2.4 kb neurod:EGFP). mnx1 is Tg(hlxb9:GFP)ml2. Quantification of each frame is shown in Supplemental Table S3. Scale bar is 100 µm in all the images. |
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| Stage: | Prim-5 |
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| Stage: | Prim-5 |
Reprinted from Developmental Biology, 396(1), Casari, A., Schiavone, M., Facchinello, N., Vettori, A., Meyer, D., Tiso, N., Moro, E., Argenton, F., A Smad3 transgenic reporter reveals TGF-beta control of zebrafish spinal cord development, 81-93, Copyright (2014) with permission from Elsevier. Full text @ Dev. Biol.