NIH R01 · 2024
Cell cycle proteins as key regulators of cardiac chemosensitivity
PROJECT SUMMARY Anthracycline-based chemotherapy, an effective treatment for many types of cancer, has long been associated with substantial cardiotoxicity. As one of the most commonly used anthracycline anticancer agent, doxorubicin (DOX) induces DNA damage and subsequent cardiomyocyte apoptosis, eventually resulting in cardiomyopathy and heart failure. Therefore, understanding the mechanisms of DOX-induced apoptosis is of paramount importance for cardioprotection. Our published work has identified cyclin-dependent kinase 2 (CDK2) as a critical mediator of anthracycline cardiotoxicity. Mechanistically, CDK2 augments forkhead box O1 (FOXO1)-dependent expression of Bim, a pro-apoptotic…
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