Table 2.
NK cells co-cultivated with | NF | A549 | CAF 0 Gy | iCAF 3x6 Gy | iCAF 1x18Gy | Effects from IR | Fold upreg | |
---|---|---|---|---|---|---|---|---|
Functional assays | Function | |||||||
Proliferation | Proliferation | Ctrl | _ | ↓ | ↓ | ↓ | no | _ |
Cytotoxic on K562 cells | Ability to kill K562 cells | Ctrl | _ | ↓ | ↓ | ↓ | no | _ |
Cytotoxic on CAFs | Ability to kill CAFs | _ | Ctrl | ↔ | ↔ | ↔ | no | _ |
NK cell surface receptors | ||||||||
NKG2D | NKAR | Ctrl | − | ↓ | ↓ | ↓ | no | – |
DNAM1 | NKAR | Ctrl | − | ↔ | ↔ | ↔ | no | − |
NKp46 | NKAR | Ctrl | − | ↓ | ↓ | ↓ | no | − |
NKG2A | NKIR | Ctrl | − | ↑ | ↔ | ↔ | no | – |
KIR2DL1 | NKIR | Ctrl | − | ↔ | ↔ | ↔ | no | − |
KIR3DL1 | NKIR | Ctrl | − | ↔ | ↔ | ↔ | no | − |
LAMP-1 | Degranulation | Ctrl | − | ↓ | ↓ | ↓ | no | – |
NK cell i.c. markers | ||||||||
IFN-γ | Immunostimulant | Ctrl | − | ↔ | ↔ | ↔ | no | − |
TNF-α | Immunostimulant | Ctrl | − | ↔ | ↔ | ↔ | no | − |
Granzyme-B | Apoptosis | Ctrl | − | ↑ | ↑ | ↑ | no | − |
Perforin | Pore formation | Ctrl | − | ↔ | ↔ | ↔ | no | − |
Secreted factors | ||||||||
TNF-α | Immunostimulant | Ctrl | − | ↔ | ↔ | ↔ | no | − |
IFN-γ | Immunostimulant | Ctrl | − | ↔ | ↔ | ↔ | no | − |
TGF-β | Immunosuppression | Ctrl | − | ↑ | ↑ | ↑ | no | − |
PGE2 | Immunosuppression | Ctrl | − | ↔ | ↔ | ↔ | no | − |
IDO | Immunosuppression | − | − | Ctrl | ↔ | ↔ | no | − |
CAF receptors | ||||||||
PD-L1 | Immunosuppression | − | − | Ctrl | ↔ | ↔ | no | − |
Nectin-2/CD112 | NK cell ligand | − | − | Ctrl | ↔ | ↔ | no | − |
PVR/CD155 | NK cell ligand | − | − | Ctrl | ↑ | ↑ | yes | 1.5 |
HLA-E | NK cell ligand | − | − | Ctrl | ↑ | ↑ | yes | 1.5 |
Fas/CD95 | NK cell death receptor | – | − | Ctrl | ↑ | ↑ | yes | 2.6 |