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cbfbxenopus nerve 

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Experiment details for cbfb

Expression analysis of Runx3 and other Runx family members during Xenopus development.

Expression analysis of Runx3 and other Runx family members during Xenopus development.

Gene Clone Species Stages Anatomy
cbfb.S laevis NF stage 13 to NF stage 40 glossopharyngeal nerve , vagus nerve

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  Fig. 3. Comparative analysis of the expression of Runx and Cbfβ genes by whole-mount in situ hybridization. Runx3 is first detected at stage 20 in two domains, the developing primary sensory (Rohon-Beard) neurons and the trigeminal-profundal placode. At the same stage Cbfβ is also co-expressed in both domains, while Runx1 is restricted to Rohon-Beard neurons. At later stages, stage 25 and up, Runx3 expression appears to be largely confined to the head region and in a number of cranial nerves including the ganglion of the trigeminal, vagal and glossopharyngeal nerves. To confirm the tissue-specific expression of Runx genes, we also performed in situ hybridization for Pax3 and Islet1 in staged matched embryos. Pax3 and Islet1 share common expression domains with Runx genes in the profundal-trigeminal placode (Pax3 and Islet1), Rohon-Beard sensory neurons and cranial ganglia (Islet1). Stages are according to Nieuwkoop and Faber (1967). Stage 13, dorsal view anterior to top. Stage 20d, dorsal view anterior to the left. Stage 20f, frontal view dorsal to top. Stage 25–40, lateral view of the head region, anterior to the left and dorsal to top. ba, branchial arches region; bp, blood progenitors; hf, heart field; hg, hatching gland; gp, glossopharyngeal; nb, neural plate border; ol, olfactory placode; pr, profundal ganglia; rb, Rohon-Beard neurons; sa, statoacoustic ganglia; tg, trigeminal ganglia; pt, profundal-trigeminal placode; va, vagal nerve. The scale bars in the upper row represent 500 μm.

Gene Clone Species Stages Anatomy
cbfb.S laevis NF stage 40 nerve , cephalic nerve , cephalic nerve

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  Fig. 7. Comparative analysis of Runx3, Runx1, Runx2, Cbfβ and expression in neurogenic placode derivatives at stage 40. Transverse sections were performed at three levels along the antero-posterior axis; the pre-otic, the otic, and post-otic regions. Each column shows sections from approximately the same level. Trigeminal ganglion (red arrows), ganglion of anterodorsal lateral line nerve (black arrowheads), ganglia of facial and anteroventral lateral line nerves (blue arrowheads), ganglia of glossopharyngeal and middle lateral line nerves (blue arrows), statoacoustic ganglion (black arrows), ganglion of vagal nerve (green arrows), ganglion of posterior lateral line nerve (purple arrows). hb, hindbrain; no, notochord; ov, otic vesicle; The scale bar in the upper left panel represents 100 μm.