P2RY12 and injury: Since the observed effects of P2Y12-deficiency or prasugrel treatment on emergency hematopoiesis could also be related to platelet inhibition, we analyzed the hematopoietic response to ischemic myocardial injury by inhibiting another common pathway for platelet activation, the cyclooxygenase-thromboxane pathway, using acetylsalicylic acid (ASA) (Supp.