Generation of 3 Leukemia-Reactive CTL Lines
. | CTL Line . | ||
---|---|---|---|
1 . | 2 . | 3 . | |
No. of positive wells harvested | 309 | 389 | 525 |
No. of T cells harvested | 0.2 × 109 | 1.3 × 109 | 1.7 × 109 |
Phenotype of CTL line | |||
CD3 | 97% | 97% | 99% |
CD4 | 92% | 82% | 86% |
CD8 | 9% | 18% | 14% |
TCRαβ | 97% | 96% | 99% |
TCRγδ | <1% | 2% | <1% |
Lysis* of CML-MNC | 30 | 24 | 18 |
Lysis* of PHA-blast patient | 0 | 0 | 0 |
Lysis* of BM stromal cells patient | 8 | NT | 10 |
Lysis* of PHA-blast donor | 3 | 0 | 1 |
. | CTL Line . | ||
---|---|---|---|
1 . | 2 . | 3 . | |
No. of positive wells harvested | 309 | 389 | 525 |
No. of T cells harvested | 0.2 × 109 | 1.3 × 109 | 1.7 × 109 |
Phenotype of CTL line | |||
CD3 | 97% | 97% | 99% |
CD4 | 92% | 82% | 86% |
CD8 | 9% | 18% | 14% |
TCRαβ | 97% | 96% | 99% |
TCRγδ | <1% | 2% | <1% |
Lysis* of CML-MNC | 30 | 24 | 18 |
Lysis* of PHA-blast patient | 0 | 0 | 0 |
Lysis* of BM stromal cells patient | 8 | NT | 10 |
Lysis* of PHA-blast donor | 3 | 0 | 1 |
Abbreviation: NT, not tested.
Percentage specific lysis in a 51Cr-release assay at a 10:1 effector:target ratio.