In addition, Llovera et al. found that the choroid plexus (ChP) is a key pathway for T-cell invasion into the brain after stroke, especially after cerebral ischemia, with specific accumulation of T-cells in the peri-stroke cortical region and the ipsilateral ChP, and found that the CCR2 ligand gradient may be the driving force for this migration and depicted the neuroanatomical pathways of migration within the brain (Llovera et al., 2017). Here, CCR2 is linked to Stroke.