RUNX1 and hereditary elliptocytosis: The expression of haematopoietic genes (RUNX1, GATA2 and MYB) and the generation of CD43+ HPCs were impaired by Cilengitide treatment at Days 2‐4, but not at Days 4‐6 (Figure 5A‐C), suggesting that αvβ3 and αvβ5 inhibition impaired HE development, but not EHT.