Table 2.
Outcome of CMVpp65-specific T-cell separation by CliniMACS CCS
A | 1. Validation run | ||||
Leukapheresis | OF | TCF | WF | NF | |
volume [ml] | 133 | 100 | 40 | 335 | 276 |
viability [%] | 99.80 | 99.06 | 51.13 | 92.34 | 99.38 |
WBCs(CD45+) [x106/ml] | 6.77 | 1.42 | 0.14 | 0.02 | 0.49 |
WBCsabs [x106] | 900.41 | 142.00 | 5.51 | 8.15 | 136.07 |
T cells(CD3+CD56-) [% of WBCs] | 41.93 | 47.80 | 31.68 | 41.58 | 44.55 |
T cells [/μl] | 2834.59 | 680.00 | 43.50 | 10.12 | 219.57 |
T cellsabs [x106] | 377.00 | 68.00 | 1.74 | 3.39 | 60.60 |
T cells(CD3+CD4+) [% of CD3+] | 53.00 | 50.82 | 26.20 | 49.74 | 51.01 |
T cells(CD3+CD8+) [% of CD3+] | 47.02 | 49.20 | 73.85 | 50.31 | 49.01 |
IFN-γ + T cells [% of CD3 + ] | 0.03 | 1.02 | 81.17 | 27.13 | 0.63 |
IFN-γ+ T cells [/μl] | 0.85 | 6.94 | 35.50 | 2.74 | 1.38 |
IFN-γ + T cells [x10 6 ] | 0.11 | 0.69 | 1.42 | 0.92 | 0.38 |
IFN-γ− T cells [% of CD3+] | 99.97 | 98.98 | 18.83 | 72.87 | 99.37 |
IFN-γ− T cells [/μl] | 2834.59 | 673.00 | 8.20 | 7.37 | 218.12 |
IFN-γ− T cells [x106] | 377.00 | 67.30 | 0.33 | 2.47 | 60.20 |
IFN-γ+ T cells(CD3+) [% of CD4] | 0.02 | 0.29 | 12.91 | 6.36 | 0.17 |
IFN-γ + T cells (CD3+CD4+) [% of CD4] | 0.04 | 0.58 | 50.63 | 13.28 | 0.41 |
IFN-γ+ T cells(CD3+CD4+) [/μl] | 0.60 | 2.00 | 5.78 | 0.67 | 0.46 |
IFN-γ + T cells abs (CD3+CD4+) [x10 6 ] | 0.08 | 0.20 | 0.23 | 0.22 | 0.13 |
IFN-γ+ T cells(CD3+) [% of CD8] | 0.01 | 0.71 | 67.96 | 20.49 | 0.40 |
IFN-γ + T cells (CD3+CD8+) [% of CD8] | 0.02 | 1.43 | 91.84 | 40.21 | 0.73 |
IFN-γ+ T cells(CD3+CD8+) [/μl] | 0.27 | 4.79 | 29.50 | 2.04 | 0.79 |
IFN-γ + T cells abs (CD3+CD8+) [x10 6 ] | 0.04 | 0.48 | 1.18 | 0.69 | 0.22 |
B | 2. Validation run | ||||
Leukapheresis | OF | TCF | WF | NF | |
volume [ml] | 114 | 100 | 40 | 337 | 288 |
viability [%] | 99.31 | 98.07 | 62.05 | 99.27 | 98.83 |
WBCs(CD45+) [x106/ml] | 18.77 | 2.36 | 0.03 | 0.00 | 0.66 |
WBCsabs [x106] | 2133.91 | 236.00 | 1.06 | 0.69 | 190.94 |
T cells(CD3+CD56-) [% of WBCs] | 16.97 | 36.69 | 27.92 | 25.73 | 41.15 |
T cells [/μl] | 3175.44 | 865.00 | 7.43 | 0.53 | 272.92 |
T cellsabs [x106] | 362.00 | 86.50 | 0.30 | 0.18 | 78.60 |
T cells(CD3+CD4+) [% of CD3+] | 71.57 | 62.28 | 78.45 | 69.19 | 62.36 |
T cells(CD3+CD8+) [% of CD3+] | 28.50 | 37.75 | 21.80 | 30.88 | 37.71 |
IFN-γ + T cells [% of CD3 + ] | 0.11 | 0.07 | 19.18 | 3.80 | 0.01 |
IFN-γ+ T cells [/μl] | 3.50 | 0.61 | 1.42 | 0.02 | 0.03 |
IFN-γ + T cells [x10 6 ] | 0.40 | 0.06 | 0.05 | 0.01 | 0.01 |
IFN-γ− T cells [% of CD3+] | 99.89 | 99.93 | 80.82 | 96.20 | 99.99 |
IFN-γ− T cells [/μl] | 3175.44 | 864.00 | 6.00 | 0.51 | 272.92 |
IFN-γ− T cells [x106] | 362.00 | 86.40 | 0.23 | 0.17 | 78.60 |
IFN-γ+ T cells(CD3+) [% of CD4] | 0.07 | 0.02 | 4.95 | 1.51 | 0.01 |
IFN-γ + T cells (CD3+CD4+) [% of CD4] | 0.10 | 0.03 | 6.43 | 1.93 | 0.02 |
IFN-γ+ T cells(CD3+CD4+) [/μl] | 2.27 | 0.16 | 0.38 | 0.01 | 0.03 |
IFN-γ + T cells abs (CD3+CD4+) [x10 6 ] | 0.26 | 0.02 | 0.02 | 0.00 | 0.01 |
IFN-γ+ T cells(CD3+) [% of CD8] | 0.04 | 0.04 | 13.84 | 2.18 | 0.00 |
IFN-γ + T cells (CD3+CD8+) [% of CD8] | 0.12 | 0.10 | 62.96 | 6.52 | 0.00 |
IFN-γ+ T cells(CD3+CD8+) [/μl] | 1.09 | 0.32 | 1.02 | 0.01 | 0.00 |
IFN-γ + T cells abs (CD3+CD8+) [x10 6 ] | 0.12 | 0.03 | 0.04 | 0.00 | 0.00 |
C | 3. Validation run | ||||
Leukapheresis | OF | TCF | WF | NF | |
volume [ml] | 109 | 100 | 43 | 330 | 263 |
viability [%] | 99.56 | 97.86 | 58.92 | 90.43 | 98.21 |
WBCs(CD45+) [x106/ml] | 15.73 | 1.62 | 0.12 | 0.01 | 0.53 |
WBCsabs [x106] | 1714.31 | 162.00 | 5.01 | 4.82 | 138.49 |
T cells(CD3+CD56-) [% of WBCs] | 12.76 | 30.94 | 36.52 | 31.07 | 28.56 |
T cells [/μl] | 2009.17 | 500.00 | 42.56 | 4.55 | 150.19 |
T cellsabs [x106] | 219.00 | 50.00 | 1.83 | 1.50 | 39.50 |
T cells(CD3+CD4+) [% of CD3+] | 75.96 | 72.60 | 87.29 | 80.31 | 70.89 |
T cells(CD3+CD8+) [% of CD3+] | 24.08 | 27.43 | 12.81 | 19.71 | 29.13 |
IFN-γ + T cells [% of CD3 + ] | 0.06 | 1.11 | 63.13 | 36.29 | 0.47 |
IFN-γ+ T cells [/μl] | 1.20 | 5.55 | 26.74 | 1.65 | 0.71 |
IFN-γ + T cells [x10 6 ] | 0.13 | 0.56 | 1.15 | 0.54 | 0.19 |
IFN-γ− T cells [% of CD3+] | 99.94 | 98.89 | 36.87 | 63.71 | 99.53 |
IFN-γ− T cells [/μl] | 2009.17 | 494.00 | 15.67 | 2.89 | 149.81 |
IFN-γ− T cells [x106] | 219.00 | 49.40 | 0.67 | 0.95 | 39.40 |
IFN-γ+ T cells(CD3+) [% of CD4] | 0.06 | 0.87 | 53.17 | 30.37 | 0.47 |
IFN-γ + T cells (CD3+CD4) [% of CD4] | 0.06 | 1.10 | 58.25 | 34.13 | 0.49 |
IFN-γ+ T cells(CD3+CD4+) [/μl] | 0.91 | 3.99 | 21.63 | 1.24 | 0.52 |
IFN-γ + T cells abs (CD3+CD4+) [x10 6 ] | 0.10 | 0.40 | 0.93 | 0.41 | 0.14 |
IFN-γ+ T cells(CD3+) [% of CD8] | 0.02 | 0.30 | 11.48 | 7.75 | 0.10 |
IFN-γ + T cells (CD3+CD8+) [% of CD8] | 0.00 | 0.99 | 88.29 | 37.27 | 0.30 |
IFN-γ+ T cells(CD3+CD8+) [/μl] | 0.00 | 1.36 | 4.81 | 0.33 | 0.13 |
IFN-γ + T cells abs (CD3+CD8+) [*10 6 ] | 0.00 | 0.14 | 0.21 | 0.11 | 0.03 |
The purification of clinical-grade CMVpp65-specific CD4+ and CD8+ T cells from three healthy CMV-seropositive donors was performed aseptically under GMP conditions using the IFN-γ-based CliniMACS CCS system and the GMP-compliant CMVpp65pp for short term ex vivo stimulation. Detailed information for all three validation processes (A-B) including viability [%], viable cell number [x106/ml; x106; /μl] and specific cell frequencies [%] for all CliniMACS CCS fractions were determined. The results for the representative analysis of the cells from the leukapheresis, original fraction (OF), T-cell fraction (TCF), negative fraction (NF), and waste fraction (WF) are shown. Bold data reflected the results obtained for the CMV-specific IFN-γ-positive T cells.