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. 2012 Jun 15;139(12):2246–2253. doi: 10.1242/dev.080275

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Fig. 2. — SPCs express Cxcr4b, but not Cxcr7b. (A-C) Time course of cxcl12/sdf1α (A), cxcr7b (B) and cxcr4b (C) expression at 18s-26s. Red arrowheads indicate sdf1α expression in somites; white arrowheads indicate cxcr4b expression in SPCs. The main primordium (18 and 20s) and primordium fused with SPCs (22 to 26s) are outlined with dashed lines. (D,E) High magnification views of cxcr4b expression at 20s (D) and cxcr4b (blue) in cldnb:lyngfp embryos (green) at 24s (E). Main primordium (mp) and SPCs are outlined. Scale bars: 25 μm.