Table 3. Recovery of CD34 Cells and SRCs... | American Society of Hematology

Table 3.

Recovery of CD34⁺ Cells and SRCs Is Lower in Recipients of Cultured CB Cells

Cells Transplanted in 1° Recipients	1° Recipients		No. of Human Cells Transplanted per 2° Recipient^3-151		No. of 1° Recipients With SRCs Capable of Engrafting in 2° Recipients	% Reconstitution in 2° Recipients^3-150
Cells Transplanted in 1° Recipients	No. Used for 2nd BMT	% Human Cells in The BM^3-150	Total (×10⁵)^3-150	CD34⁺ Cells (×10⁴)^3-150		% Reconstitution in 2° Recipients^3-150
Noncultured	14	15.5 ± 8.4 (2.1-27.7)	5.3 ± 3.1 (0.8-10.7)	13.9 ± 9.3 (1.4-29.7)	2	6.2 ± 4.5 (0.9-11.8)
Cultured
1 d	6	6.8 ± 5.4 (2.2-16.2)	3.5 ± 3.1 (0.9-8.4)	6.4 ± 5.2 (1.1-13.9)	0
2 d	3	4.1 ± 1.6 (3.0-5.9)	0.9 ± 0.4 (0.5-1.3)	3.2 ± 1.9 (1.8-5.4)	0
3 d	7	4.4 ± 2.7 (1.1-8.0)	1.0 ± 0.7 (0.3-2.4)	2.1 ± 1.4 (0.6-4.2)	0

Cells Transplanted in 1° Recipients	1° Recipients		No. of Human Cells Transplanted per 2° Recipient^3-151		No. of 1° Recipients With SRCs Capable of Engrafting in 2° Recipients	% Reconstitution in 2° Recipients^3-150
Cells Transplanted in 1° Recipients	No. Used for 2nd BMT	% Human Cells in The BM^3-150	Total (×10⁵)^3-150	CD34⁺ Cells (×10⁴)^3-150		% Reconstitution in 2° Recipients^3-150
Noncultured	14	15.5 ± 8.4 (2.1-27.7)	5.3 ± 3.1 (0.8-10.7)	13.9 ± 9.3 (1.4-29.7)	2	6.2 ± 4.5 (0.9-11.8)
Cultured
1 d	6	6.8 ± 5.4 (2.2-16.2)	3.5 ± 3.1 (0.9-8.4)	6.4 ± 5.2 (1.1-13.9)	0
2 d	3	4.1 ± 1.6 (3.0-5.9)	0.9 ± 0.4 (0.5-1.3)	3.2 ± 1.9 (1.8-5.4)	0
3 d	7	4.4 ± 2.7 (1.1-8.0)	1.0 ± 0.7 (0.3-2.4)	2.1 ± 1.4 (0.6-4.2)	0

Presented are the 2° BMT combined from 3 experiments.

Mean ± SD (range).

Each 2° recipient received the equivalent of 20% of the femur of the 1° recipient.