CCR3 and acute myeloid leukemia: After 8–10 days Dox we also invariably observed a distinct AML-derived sub-population comprising SSCHIGHF4/80HIGH cells expressing the eosinophil surface markers SiglecF and Ccr3 at similar levels to normal host eosinophils within the same sample (Fig. 2b, c and Supplementary Fig. 2b).