| Ab | Antibody |
| AICD | Activation-induced cell death |
| AP3 | Adaptor protein 3 |
| APC | Antigen-presenting cell |
| Apo2L | Apo2 ligand (TRAIL) |
| ARP2/3 | Actin-related proteins 2/3 |
| aSMase | Acid sphingomyelinase |
| BCR | B-cell receptor for antigen |
| CAM | Cell adhesion molecules |
| CAR | Chimeric Antigen Receptors |
| cIS | Central region of the immune synapse |
| cSMAC | Central supramolecular activation cluster |
| Dia1 | Diaphanous-related formin 1 |
| DC | Dendritic cells |
| dSMAC | Distal supramolecular activation cluster |
| CTL | Cytotoxic T lymphocytes |
| DAG | Diacylglycerol |
| DGKα | Diacylglycerol kinase α |
| dSMAC | Distal supramolecular activation cluster |
| EGFR | Epidermal growth factor receptor |
| EM | Electron microscopy |
| ESCRT | Endosomal sorting complex required for traffic |
| EV | Extracellular vesicles |
| FC | Flow cytometry |
| FAVS | Fluorescence activated vesicle sorter |
| F-actin | Filamentous actin |
| FasL | Fas ligand |
| FDC | Follicular Dendritic cells |
| FMNL1 | Formin-like 1 |
| HER2 | Human epidermal growth factor receptor 2 |
| HLH | Haemophagocytic lymphohistiocytosis |
| HRS | Hepatocyte growth factor-regulated tyrosine kinase substrate |
| HS1 | Hematopoietic lineage cell-specific protein 1 |
| ICAM-1 | Intercellular Adhesion Molecule-1 |
| ICANS | Immune effector cell-associated neurotoxicity syndrome |
| IFN | Interferon |
| iFC | Image flowcytometry |
| ILV | Intraluminal vesicles |
| IS | Immune synapse |
| LAMP-1 | Lysosomal-associated membrane protein 1 |
| LFA1 | Lymphocyte function-associated antigen 1 |
| LBPA | Lyso-bis-phosphatidic acid |
| LYST | Lysosomal trafficking regulator |
| MHC | Major histocompatibility complex |
| miRNA | MicroRNA |
| MVB | Multivesicular bodies |
| MTOC | Microtubule-organizing center |
| NK | Natural killer cell |
| nSMase2 | Neutral sphingomyelinase 2 |
| NTA | Nanoparticle tracking analysis |
| OVA | Ovalbumin |
| PA | Phosphatidic acid |
| PBL | Peripheral blood lymphocytes |
| SMLM | Single molecule localization microscopy |
| PHA | Phytohemagglutinin |
| PKC | Protein kinase C |
| PKCδ | Protein kinase C δ isoform |
| PLC | Phospholipase C |
| PLD | Phospholipase D |
| pMHC | Peptide/MHC complex |
| pSMAC | Peripheral supramolecular activation cluster |
| RN7SL1 | RNA component of signal recognition particle 7SL1 |
| SEE | Staphylococcus enterotoxin E |
| SMAC | Supramolecular activation cluster |
| SMase | Sphingomyelinase |
| SNAP23 | Synaptosomal protein 23 |
| SNARE | N-ethylmaleimide-sensitive fusion attachment protein receptor |
| STX | Syntaxin |
| TCR | T-cell receptor for antigen |
| TAGLN2 | Transgelin-2 |
| Th | T helper |
| VAMP | Vesicle-associated membrane protein |