Cardiomyocyte contractile impairment in heart failure results from reduced BAG3-mediated sarcomeric protein turnover

Decreased expression of BAG3 in the heart is associated with contractile dysfunction and heart failure. Here the authors show that this is due to decreased BAG3-dependent sarcomere protein turnover, which impairs mechanical function, and that sarcomere force-generating capacity is restored with BAG3...

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Bibliographic Details
Main Authors: Thomas G. Martin, Valerie D. Myers, Praveen Dubey, Shubham Dubey, Edith Perez, Christine S. Moravec, Monte S. Willis, Arthur M. Feldman, Jonathan A. Kirk
Format: article
Language:EN
Published: Nature Portfolio 2021
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Online Access:https://doaj.org/article/e8b11b6fcce64e39a9fa3c8e82869801
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Summary:Decreased expression of BAG3 in the heart is associated with contractile dysfunction and heart failure. Here the authors show that this is due to decreased BAG3-dependent sarcomere protein turnover, which impairs mechanical function, and that sarcomere force-generating capacity is restored with BAG3 gene therapy.