The number of Iba1 and PDGFRβ double-positive cells (Fig. 1l) and the populations of Iba1+ cells relative to PDGFRβ+ cells (Fig. 1m) were analyzed at post-stroke days 3, 5, and 7 within the ischemic core and peri-ischemic areas. This evidence concerns the gene PDGFRB and stroke disorder.