| 3-OS HS | 3-O-sulphated heparan sulphate |
| BAC | bacterial artificial chromosome |
| BIRC5 | baculoviral inhibitor of apoptosis repeat-containing 5 |
| CEA | carcinoembryonic antigen |
| CTL | cytotoxic T lymphocyte |
| CTLA-4 | CTL antigen-4 |
| CYP2B1 | cytochrome P450, family 2, subfamily b, polypeptide 1 |
| EGFP | enhanced green fluorescent protein |
| EGFR | epidermal growth factor receptor |
| EGFRvIII | epidermal growth factor receptor variant III |
| EMA | European Medicines Agency |
| FDA | Food and Drug Administration (USA) |
| GALV | gibbon ape leukemia virus |
| GBM | glioblastoma multiforme |
| GM-CSF | granulocyte macrophage colony-stimulating factor (GM-CSF) |
| GMP | Good Manufacturing Practice |
| GSCs | glioblastoma stem-like cells |
| HCMV | human cytomegalovirus |
| HER2 | human epidermal growth factor receptor 2 |
| HS | heparan sulphate |
| HveA | herpesvirus entry mediator A |
| HveC | herpesvirus entry mediator C |
| HVEM | herpesvirus entry mediator |
| ICI | immune-checkpoint inhibitor |
| ICP | infected cell protein |
| IL | interleukin |
| MAG | myelin-associated glycoprotein |
| NMHC-II | non-muscle myosin heavy chain II |
| N-ter | amino terminus |
| OPTiM | OncoVEXGM-CSF Pivotal Trial in Melanoma |
| OV | oncolytic virus |
| PD-1 | programmed cell death 1 |
| PD-L1 | programmed cell death 1 ligand 1 |
| PILRα | paired immunoglobulin-like type 2 receptor-α |
| PKR | protein kinase R |
| PSMA | prostate-specific membrane antigen |
| RR | ribonucleotide reductase |
| scFv | single chain antibody variable fragment |
| ScGCs | serum-cultured GBM cells |
| TK | thymidine kinase |
| UL | unique long |
| uPA | urokinase-type plasminogen activator |
| uPAR | urokinase-type plasminogen activator receptor |
| US | unique short |
| wt | wild type |
| yCD | yeast cytosine deaminase |
| Δ | deletion |