CRA and cell expansion results after IVS with unmodified and ubiquitinated pp65-VV
. | % Cytotoxicity to pp65 MCE . | . | . | |
---|---|---|---|---|
HLA, donor UPN, and IVS VV-pp65 . | A2495-503 . | B7417-426 . | Expansion, fold . | |
A*0201 | ||||
001 | 67 | |||
Unmodified | 66 | — | ||
Ubiquitinated | 91 | — | ||
002 | 7 | |||
Unmodified | 28 | — | ||
Ubiquitinated | 41 | — | ||
003 | 190 | |||
Unmodified | 40 | — | ||
Ubiquitinated | 70 | — | ||
004 | 151 | |||
Unmodified | 66 | — | ||
Ubiquitinated | 76 | — | ||
B*0702 | ||||
005 | 23 | |||
Unmodified | — | 46 | ||
Ubiquitinated | — | 75 | ||
006 | 10 | |||
Unmodified | — | 74 | ||
Ubiquitinated | — | 79 | ||
007 | 65 | |||
Unmodified | — | 42 | ||
Ubiquitinated | — | 72 | ||
008 | 340 | |||
Unmodified | — | 41 | ||
Ubiquitinated | — | 55 |
. | % Cytotoxicity to pp65 MCE . | . | . | |
---|---|---|---|---|
HLA, donor UPN, and IVS VV-pp65 . | A2495-503 . | B7417-426 . | Expansion, fold . | |
A*0201 | ||||
001 | 67 | |||
Unmodified | 66 | — | ||
Ubiquitinated | 91 | — | ||
002 | 7 | |||
Unmodified | 28 | — | ||
Ubiquitinated | 41 | — | ||
003 | 190 | |||
Unmodified | 40 | — | ||
Ubiquitinated | 70 | — | ||
004 | 151 | |||
Unmodified | 66 | — | ||
Ubiquitinated | 76 | — | ||
B*0702 | ||||
005 | 23 | |||
Unmodified | — | 46 | ||
Ubiquitinated | — | 75 | ||
006 | 10 | |||
Unmodified | — | 74 | ||
Ubiquitinated | — | 79 | ||
007 | 65 | |||
Unmodified | — | 42 | ||
Ubiquitinated | — | 72 | ||
008 | 340 | |||
Unmodified | — | 41 | ||
Ubiquitinated | — | 55 |
CRA, described in “Materials and methods,” was performed after 7 to 12 days IVS with pp65-VV (unmodified) or UbRpp65-VV (ubiquitinated) for each CMV-positive donor. The lysis percentages to autologous LCL targets, pulsed with pp65495-503 for HLA A*0201 donors or with pp65417-426 for HLA A*0702 donors, are shown at E/T 20, except for donor 004 reported at E/T 5. In the last column, the highest cell expansion obtained after unmodified or ubiquitinated VV-pp65 IVS is shown for each donor. — indicates not applicable.