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Fig. 6. Location of ectopic Notch receptor and ligand, 4 days after
electroporation. Transverse sections from embryos electroporated with mouse
MyoD (A-E) were hybridised 4 days after electroporation with the
DIG-labelled antisense probe for mouse MyoD (C), Notch1
(A,B,D) and Serrate2 (E) followed by an immunohistochemistry using
MF20 (A-D). The arrowhead in B shows the ectopic expression of Notch1
outside the MF20-positive cells. Arrows indicate the ectopic MF20-positive
cells (B,D) and the muscle cells expressing the ligand Serrate2
(E).