|
Target | Approach | NK source | Effect | Reduction (%) | Ref |
|
αGal GT | In vitro knockout pEC lines | IL2-NK cells, NK92 Fresh NK cells, Fresh NK cells | No effect CMC ↓ ADCC ↓ nAb/CML | NA 77–90 86 | [46, 126] |
Gal knockout pigs | IL2-NK cells, Fresh NK cells Fresh NK cells | No effect in CMC ↓ ADCC ↓ nAb/CML | NA 70 80 | [47, 124] |
siRNA in pEC | NK92 cell line | No effect CMC ↓ ADCC | NA 30–40 | [125] |
|
Masking of sugar xenoantigens | Transfections of α(1,2)-fucosyltransferase in pECs | Fresh NK cells | ↓ CMC | 47 | [119] |
Treatment of pECs with DXS | NK92 | ↓ CMC inh. C’ deposition | 25–47 | [135] |
|
HLA class I molecules | HLA-E transfection in pEC | IL2-NK cells | ↓ CMC | 15–60 | [150, 151] |
HLA-E transgenic pigs | IL2-NK cells | ↓ CMC ↓ IFNγ production | 8–30 40 | [15] |
HLA-G1 transfection in pEC | IL2-NK cells, NK92 and NK cell clones | ↓ CMC ↓ rolling/adhesion No effect in ADCC | 20–45 25–75 NA | [141, 142, 150, 187] |
Soluble HLA-G1 | NK92 Fresh PBMC | ↓ CMC ↓ CMC | 31–83 24 | [145] |
HLA-Cw3 transfection in pEC | NK cell clones | ↓ CMC | 12–70 | [136] |
HLA-Cw4 transfection in pEC | NK cell clones | ↓ CMC | 58 | [139] |
HLA-B27 transfection in pEC | NK cell clones | ↓ CMC | ~30 | [136] |
|
Apoptosis induction | PK15, human FasL transfection | PBL | ↓ ADCC | 34–42 | [108] |
PK15, human FasL transfection | PBL, LAK | ↓ ADCC ↓ CMC | 54 74 | [127] |
pEC, human FasL transfection | IL2-NK cells | No effect CMC ↑ apoptosis NK cells | 0 | [129] |
pEC, pig FasL transfection | IL2-NK cells | ↓ CMC ↓ FasL apoptosis | 26 23 | [128] |
|
Apoptosis resistance | Bcl-2 transfection in PK15 | PBL | ↓ FasL apoptosis ↓ ADCC | 62 50 | [132] |
Bcl-2mut transfections in pEC | IL2-NK cells | No effect CMC | 0 | [110] |
|