Endothelial RRM2B-dependent mitochondrial DNA signalling drives doxorubicin-cardiotoxicity
SILVIA GRAZIANI, Altea Bonello, Raquel Brañas Casas, Giovanni Risato, Natascia Tiso, Francesco Argenton, Chiara Rampazzo, Satoko Shinjo, Margherita Zamberlan, Nicola Facchinello, Luca Scorrano, Giovanna Pontarin
This study identifies endothelial RRM2B-dependent mitochondrial DNA signaling as a driver of doxorubicin-induced cardiotoxicity and shows that Eltrombopag can prevent it.
bioRxiv · Jan 21, 2026 · PreprintCell Biology