| BBB | Blood–Brain Barrier |
| BMVEC | Brain Microvascular Endothelial Cell |
| CNS | Central Nervous System |
| DAPI | 4′,6-Diamidino-2-Phenylindole |
| DPBS | Dulbecco’s Phosphate-Buffered Saline |
| ELISA | Enzyme-Linked Immunosorbent Assay |
| FBS | Fetal Bovine Serum |
| HA | Human Astrocyte |
| HBVP | Human Brain Vascular Pericyte |
| HBMEC | Human Brain Microvascular Endothelial Cell |
| HM | Human iPSC-Derived Microglia |
| HO | Human iPSC-Derived Oligodendrocyte Progenitor |
| HN/ReN | Human Neural Progenitor Cell (ReNcell) |
| ICAM-1 | Intercellular Adhesion Molecule-1 |
| IFN-γ | Interferon-Gamma |
| IL-2 | Interleukin-2 |
| LFA-1 | Lymphocyte Function–Associated Antigen-1 |
| NVU | Neurovascular Unit |
| OGD | Oxygen–Glucose Deprivation |
| OGD-R | Oxygen–Glucose Deprivation–Reoxygenation |
| PBMC | Peripheral Blood Mononuclear Cell |
| PFA | Paraformaldehyde |
| qPCR | Quantitative Polymerase Chain Reaction |
| Rep | Reperfusion |
| ROS | Reactive Oxygen Species |
| RPMI | Roswell Park Memorial Institute Medium |
| TEM | Transendothelial Migration |
| TNF-α | Tumor Necrosis Factor-Alpha |
| VCAM-1 | Vascular Cell Adhesion Molecule-1 |
| VLA-4 | Very Late Antigen-4 |
| Z-stack | Optical Section Stack in Confocal Microscopy |