This study identifies Annexin A2 as a critical negative regulator of PHB2-mediated mitophagy in myocardial infarction. By promoting PHB2 degradation via the TRIM29 ligase, ANXA2 exacerbates cardiac injury. Inhibiting ANXA2 restores mitochondrial homeostasis, offering a promising therapeutic avenue for heart failure.

Researchers identify Annexin A2 as a key inhibitor of mitophagy in the heart. By blocking the mitophagy receptor PHB2, ANXA2 exacerbates cardiac injury after myocardial infarction. This study demonstrates that targeting ANXA2 restores mitochondrial homeostasis and improves cardiac remodeling.