Table 1. Murine Near-Term Fetal and... | American Society of Hematology

Table 1.

Murine Near-Term Fetal and Neonatal Peripheral Blood Hematopoietic Progenitor Cell-Derived Colonies in Methylcellulose Cultures

Cells	Type of Colony	Day(s) of Peak Growth^*	Colonies/1 × 10⁵ Cells		No. of Cultures^‡
			Mean + SD^†	Range^†

Fresh FNPB mononuclear cells	CFU-E	2-7	78 + 73	7-166	4/6
	BFU-E	6-12	8 + 8	2-19	5/6
	CFU-GM	10-11	3 + 2	2-5	2/6
	HPP-CFC	19-45	2 + 1	1-3	4/6
Ex vivo cultured FNPB cells	CFU-E	6-7	105 + 76	52-159	2/4
	BFU-E	7-10	15 + 21	2-47	4/4
	CFU-GM	10-11	3 + 2	1-4	2/4
	HPP-CFC	21-31	1 + 1	1-2	2/2

Cells	Type of Colony	Day(s) of Peak Growth^*	Colonies/1 × 10⁵ Cells		No. of Cultures^‡
			Mean + SD^†	Range^†

Fresh FNPB mononuclear cells	CFU-E	2-7	78 + 73	7-166	4/6
	BFU-E	6-12	8 + 8	2-19	5/6
	CFU-GM	10-11	3 + 2	2-5	2/6
	HPP-CFC	19-45	2 + 1	1-3	4/6
Ex vivo cultured FNPB cells	CFU-E	6-7	105 + 76	52-159	2/4
	BFU-E	7-10	15 + 21	2-47	4/4
	CFU-GM	10-11	3 + 2	1-4	2/4
	HPP-CFC	21-31	1 + 1	1-2	2/2

Counted from the first day in any culture medium.

At the time of peak growth.

Number of cultures in which colonies were observed/total number of cultures.