Table 2.

Characterizations of colony-forming unit (CFU) assays performed using indicated source of blood cells

	Healthy patient		Patient #1		Patient #2		Patient #3		Patient #4
BM	HPC	BM	HPC	BM	HPC	BM	HPC	BM	HPC
Impaired differentiation capacity?	No	No	Yes	No	No	No	Yes	No	No	No
Immature single-cell morphology detected?	No	left/T	a	No	Yes	No	No	No	No	No
Leukemia-associated aberration detected?	N/A	N/A	a	No	Yes	No	Yes	No	Yes	No

^aCFU capacity insufficient for further analysis.

Abbreviations: BM, bone marrow; HPC, induced pluripotent stem cell-derived hematopoietic progenitor cells; N/A, not applicable; N/T, not tested.