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Fig. S2
R115866 treatment does not interfere with basal epidermal layer formation, but cause lateral expansion of msxb+ cells into neighbouring interrays.
(A) DAPI-stained transverse sections through the regenerate of DMSO- and R115866- treated fish reveal presence of a distinct basal epidermal layer. Arrowheads: Basal epidermal layer. (B) WISH for msxb at 2.5 dpa demonstrates expansion of blastema cells into interrays in R115866-treated fish. Arrowheads: Ectopic blastema cells. Dashed lines indicate amputation plane. Scale bars: 50 µm in A and 100 µm in B.
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