Inducible Impairment of Polymerase Gamma Activity in Cardiomyocytes Promotes Severe Cardiomyopathy with Cardiac Hepatopathy
Simon T. Bond, Yanie Tan, Shannen Walker, Sarah Jenkinson, Christine Yang, Yingying Liu, Kevin H Liu, Helen Kiriazis, Daniel G. Donner, Jonathon Cross, Darren C. Henstridge, David W. Greening, Brian G. Drew
This study shows that impairing polymerase gamma activity in cardiomyocytes leads to mtDNA instability, activates the integrated stress response, and causes severe cardiomyopathy with hepatopathy in mice.
bioRxiv · Feb 19, 2026 · PreprintPhysiology