Fig. 6
From: Immune cells: potential carriers or agents for drug delivery to the central nervous system
The role of infiltrating immune cells in ischemic stroke and their application or non-application in immune cell-based DDS. This includes neutrophil (a), macrophage/microglia (b), T cell (c), Treg cell (d), and NK cell (e). BBB blood–brain barrier, DDS drug delivery systems, NETs neutrophil extracellular traps, NK natural killer. “?” represents no current application in DDS