Fig. 1.
Appearance of erythroid and erythrocyte-containing mixed hematopoietic colonies.
Erythroid and erythrocyte-containing mixed hematopoietic colonies (original magnification, × 400 and × 100, respectively. (A) From E12.5 FL cells of EPOR−/−hGMR+/−embryos induced by hGM-CSF, and EPOR+/+hGMR+/−embryos induced by hGM-CSF or EPO. (B) From E8.0 YS cells of EPOR+/+hGMR+/− embryo induced by hGM-CSF or EPO.