Functional Characterization of TPO-Expanded CD34(+) Cord Blood Cells Identifies CD34(-)CD61(-) Cells as Platelet-Producing Cells Early After Transplantation in NOD/SCID Mice and rCD34(+) Cells as CAFC Colony-Forming Cells

Cord bloodExpansionThrombopoietinMegakaryocyteCD34+