| AIDS | Acquired immunodeficiency syndrome |
| BCMA | B cell maturation antigen |
| CAR | Chimeric antigen receptor |
| CAR-NK | Chimeric antigen receptor natural killer cell |
| CAR-Treg | Chimeric antigen receptor regulatory T cell |
| CD | Cluster of differentiation |
| CMV | Cytomegalovirus |
| CRS | Cytokine release syndrome |
| DNA | Deoxyribonucleic acid |
| EBV | Epstein–Barr virus |
| GRADE | Grading of Recommendations Assessment, Development and Evaluation |
| GVHD | Graft-versus-host disease |
| HBV | Hepatitis B virus |
| HCV | Hepatitis C virus |
| HIV | Human immunodeficiency virus |
| ICANS | Immune effector cell-associated neurotoxicity syndrome |
| IBD | Inflammatory bowel disease |
| MHC | Major histocompatibility complex |
| NK | Natural killer |
| NOS | Newcastle–Ottawa Scale |
| PBMC | Peripheral blood mononuclear cell |
| PICOS | Population, Intervention, Comparator, Outcomes, and Study design |
| PRISMA | Preferred Reporting Items for Systematic Reviews and Meta-Analyses |
| RA | Rheumatoid arthritis |
| ROBINS-I | Risk Of Bias In Non-randomized Studies of Interventions |
| SLE | Systemic lupus erythematosus |
| SYRCLE | Systematic Review Centre for Laboratory Animal Experimentation |
| TCR | T cell receptor |
| TIL | Tumor-infiltrating lymphocyte |
| WHO ICTRP | World Health Organization International Clinical Trials Registry Platform |