Among the downregulated genes, Gpr88, Rgs9, Enthd1, Olr59, P2ry12, Degs2, Pde10a, Neu2, Adora2a, and Slc22a6 were found to demonstrate significant downregulation in pathological phase of ischemic stroke (see Table 4). This evidence concerns the gene P2RY12 and ischemic stroke.