CD47 and myeloproliferative disorder: Supervised analyses of human granulocyte microarray datasets from MPN patients and healthy donors30 showed moderate expression of the ′′don’t-eat-me′′ signal CD47 in MPN, and comparatively higher levels of CD24 (Figure 1H; Supplementary Table 2), which reportedly functions as a ′′don’t-eat-me′′ signal in solid tumors31.