Table 1. Reported methods for A. fumigatus T-cell isolation and expansion in vitro.
Target pathogen(s) | Antigen source | Method | Cell numbers (initial/final); yield | Total time to generate T cells (days) | CD4/CD8 ratio; % antigen specific CD4 T cells | Reference |
---|---|---|---|---|---|---|
A. fumigatus | Water-soluble lysate | IFNγ capture-based isolation, stimulation with antigen-pulsed APC, feeder cells and IL-2 | 1.1 × 109/2 × 107; 1.8% | 14 | 87/3; 10.3a | Tramsen et al.57 |
A. fumigatus | Crf1/p41 peptide | CD154 bead-based isolation, culture with feeder cells, IL-2, IL-7 and IL-15 | 1 × 107/3.5 × 107; 350% | 14 | ND; 50.6b | Stuehler et al.47 |
A. fumigatus | Crf1/p41 peptide | CD154 bead-based isolation, culture with feeder cells, IL-2, IL-7 and IL-15 | 6.86 × 107/1.86 × 107; 27% | 15 | ND; 40b | Khanna et al.58 |
A. fumigatus | Water-soluble lysate | Stimulation with antigen-pulsed APC, culture with IL-2, IL-7 and IL-15 | 7.4 × 106/1.94 × 108; 263% | 21 | 94/4.5; 10.9a | Gaundar et al.31 |
A. fumigatus, C. albicans, R. oryzae | Water-soluble lysate | IFNγ capture based isolation, stimulation with antigen-pulsed APC, feeder cells and IL-2 | 1.1 × 109/5.4 × 107; 4.7% | 13 | 98.5/0.4; 13.3a | Tramsen et al.46 |
Abbreviations: APC, antigen-presenting cells; ND, not determined.
Indicated by expression of TNFα following restimulation with antigen pulsed APC.
Indicated by staining with p41 tetramer antibody.