NewslettersEndothelial Cell News Endothelial PARP1 Orchestrates Endothelial-to-Mesenchymal Transition via the PARylation of FHL2 in Ischemic Heart Failure By Emily Salmini - June 29, 2026 0 1 Investigators identified poly(ADP-ribose) polymerase 1 (PARP1) as a critical driver of endothelial-to-mesenchymal transition in ischemic heart failure. [Acta Pharmacologica Sinica] AbstractGraphical Abstract