| AAs | amino acids |
| AMPK | AMP-activated protein kinase |
| APCs | antigen-presenting cells |
| ATRA | all-trans retinoic acid |
| CAFs | cancer-associated fibroblasts |
| CAR | chimeric antigen receptor |
| CMTM4 | CKLF like MARVEL transmembrane domain containing 4 |
| CTLA-4 | cytotoxic T lymphocyte-associated antigen-4 |
| DCs | dendritic cells |
| ER | endoplasmic reticulum |
| ICs | immune checkpoints |
| ICIs | immune checkpoint inhibitors |
| INF | interferon |
| KD | ketogenic diet |
| MDSCs | myeloid-derived suppressor cells |
| MHC | major histocompatibility complex |
| PD-l | programmed cell death protein 1 |
| PD-L1 | programmed cell death-ligand 1 |
| PL | pyridoxal |
| PM | pyridoxamine |
| PMP | pyridoxamine 5′-phosphate |
| PN | pyridoxine |
| PNP | pyridoxine 5′-phosphate |
| RA | retinoic acid |
| RCC | renal cell carcinoma |
| SCFAs | short-chain fatty acids |
| TAAs | tumor-associated antigens |
| TAMs | tumor-associated macrophages |
| TILs | tumor-infiltrating lymphocytes |
| TME | tumor microenvironment |