Responsiveness of CD4+ and CD8+ T cells to various growth factors
. | Cord blood . | . | Adult . | . | ||
|---|---|---|---|---|---|---|
. | CD4 . | CD8 . | CD4 . | CD8 . | ||
| IGF-1, 50 ng/mL | 0.0 | 0.0 | 0.0 | 0.0 | ||
| IL-2, 20 U/mL | 34.3 ± 6.2 | 7.4 ± 9.0 | 0.0 | 0.0 | ||
| IL-7, 10 ng/mL | 81.2 ± 5.5 | 73.3 ± 30.0 | 21.2 ± 4.4 | 51.2 ± 9.6 | ||
| IL-15, 12 ng/mL | 6.8 ± 7.9 | 63.2 ± 22.8 | 0.0 | 40.5 ± 12.7 | ||
. | Cord blood . | . | Adult . | . | ||
|---|---|---|---|---|---|---|
. | CD4 . | CD8 . | CD4 . | CD8 . | ||
| IGF-1, 50 ng/mL | 0.0 | 0.0 | 0.0 | 0.0 | ||
| IL-2, 20 U/mL | 34.3 ± 6.2 | 7.4 ± 9.0 | 0.0 | 0.0 | ||
| IL-7, 10 ng/mL | 81.2 ± 5.5 | 73.3 ± 30.0 | 21.2 ± 4.4 | 51.2 ± 9.6 | ||
| IL-15, 12 ng/mL | 6.8 ± 7.9 | 63.2 ± 22.8 | 0.0 | 40.5 ± 12.7 | ||
Values are percentages of proliferating cells ± SD.