Ints5 is required for erythrocyte differentiation. (A-C) May-Grunwald Giemsa staining shows normal red blood cells (RBCs) at various stages of differentiation at the indicated embryonic stages. (D-F) RBCs in embryos injected with control morpholinos (D), ints5 morpholinos (E), or co-injected with ints5 RNA and morpholinos (F) at 2 dpf. Arrows indicate the RBCs arrested at the basophilic erythroblast stage (E). (G-I) RBCs in embryos injected with control morpholinos (G), ints5 morpholinos (H), or co-injected with ints5 RNA and morpholinos (I) at 7 dpf. (J,K) Histograms showing the percentage of RBCs with normal (blue) or arrested (magenta) differentiation in injected embryos at 2 dpf (J) and 7 dpf (K). Scale bar: 10 μm.
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