P2RY12 and Stroke: Loss in the ischemic core and proliferation in the penumbra within the first week after stroke (18, 70, 121)Expression of pro‐inflammatory markers CD68, p22phox, CD86, CD163, and iNOS during resorption stage (121)Production of TNFα (31)Decreased expression of the homeostatic marker P2RY12 in acute lesions, the penumbra, and resorption stage (121)Increased expression of the anti‐inflammatory marker CD206 in resorption phase (121)Phagocytosis of tissue debris (121)