hpre-CDCs descend from hCDPs. (a) Flow cytometry plots show comparison of hCDP (purple) and hpre-CDC (orange) in cord blood. (b) Flow cytometry plots of gated CD45+Lin(CD3/19/56/14)−CD34+ show phenotype and purity of magnetically enriched cord blood (CB) CD34+ cells (presorting, upper) and sorted cells (post-sorting, bottom). hCDPs were gated as CD34+CD38hiCD45RA+CD10−CD123hi. (c) Differentiation kinetics of hCDPs purified from CB in MS5+FSG cultures for 1, 2, or 4 d. FACs plots show culture output of live human CD45+ cells, including CD34+ cells (purple), pDC (green), CD1c+ cDC (blue), CD141+ cDCs (red), and hpre-CDCs (orange). Representative of four independent experiments are shown. Graphs summarize composition of indicated populations among total hCD45+ cells. Bars are mean values from four independent experiments, and error bars are SEM.