Table 1.

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  
Lysis* of BM stromal cells patient  8  NT 10  
Lysis* of PHA-blast donor  3  0  
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  
Lysis* of BM stromal cells patient  8  NT 10  
Lysis* of PHA-blast donor  3  0  

Abbreviation: NT, not tested.

*

Percentage specific lysis in a 51Cr-release assay at a 10:1 effector:target ratio.

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