| AAV | Adeno-associated virus |
| AEX | Anion-exchange chromatography |
| ATPS | Aqueous two-phase systems |
| BaEV | Baboon endogenous retrovirus |
| BO | Bayesian optimization |
| CA | Capsid (structural domain of Gag) |
| CAR | Chimeric antigen receptor |
| Cryo-EM | Cryo-electron microscopy |
| DoE | Design of Experiments |
| ELISA | Enzyme-linked immunosorbent assay |
| EVs | Extracellular vesicles |
| FDA | Food and Drug Administration |
| FVM | Flow virometry |
| GALV | Gibbon ape leukemia virus |
| HEK293 | Human embryonic kidney 293 cells |
| HEPES | 4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid |
| HIV | Human immunodeficiency virus |
| LDLR | Low-density lipoprotein receptor |
| LVV | Lentiviral vector |
| MA | Matrix (structural domain of Gag) |
| MALS | Multi-angle light scattering |
| ML | Machine learning |
| MLV | Murine leukemia virus |
| MOI | Multiplicity of infection |
| MOPS | 3-(N-morpholino)propanesulfonic acid |
| NC | Nucleocapsid (structural domain of Gag) |
| p24 | Lentiviral capsid protein (24 kDa) |
| PIPES | piperazine-N,N′-bis(2-ethanesulfonic acid) |
| PVDF | Polyvinylidene fluoride |
| RCR | Replication-competent retrovirus |
| RD114 | Feline endogenous retrovirus |
| RT-qPCR | Reverse-transcriptase quantitative polymerase chain reaction |
| RV-G | Rabies virus glycoprotein |
| SEC | Size-exclusion chromatography |
| scFv | single-chain variable fragment |
| ssRNA | Single-stranded RNA |
| TFF | Tangential flow filtration |
| TU | Transduction units |
| VSV-G | Vesicular stomatitis virus G glycoprotein |