| PD-1 | Programmed cell death protein 1 |
| PD-L1 | Programmed death-ligand 1 |
| TCR | T-cell receptor |
| IFN-γ | Interferon-gamma |
| NFAT | Nuclear factor of activated T cells |
| IL-2 | Interleukin 2 |
| ICB | Immune checkpoint blockade |
| SPR | Surface Plasmon Resonance |
| BLI | Biolayer Interferometry |
| KO | Kaempferol |
| KR | Kaempferol-7-O-rhamnose |
| KI | Kaempferitrin, kaempferol-3,7-dirhamnoside |