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. 2014 Dec 16;12:336. doi: 10.1186/s12967-014-0336-5

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.