Table 3.
Recovery of Total Nucleated Cells (TNCs) and CD3+ cells following cryopreservation, storage, and thawing of 143 extensively manipulated donor leukocyte products; effects of duration of storage
| Storage Duration | Number | Post Thaw Recovery (%)
|
Post Thaw TNC Viability (%) | |
|---|---|---|---|---|
| TNC | CD3 | |||
| 1 to 30 days | 55 | 91 ± 15 | 84 ± 18 | 88 ± 10 |
| 31 to 90 days | 47 | 87 ± 18 | 78 ± 21 | 86 ± 11 |
| 91 to 180 | 24 | 95 ± 18 | 78 ± 21 | 84 ± 9 |
| 181 to 365 | 13 | 90 ± 18 | 72 ± 18 | 78 ± 15 |
| 1 to 2 years | 4 | 92 ± 15 | 72 ± 14 | 75 ± 10 |
| > 2 years | 0 | ---- | ---- | ---- |
|
| ||||
| All | 143 | 90 ± 17 | 79 ± 19 | 85 ± 11 |