Right Ventricular Sarcomere Contractile Depression and the Role of Thick Filament Activation in Human Heart Failure with Pulmonary Hypertension
V. Jani, M. I. Aslam, A. J. Fenwick, W. Ma, H. Gong, G. Milburn, D. Nissen, I. M. Cubero Salazar, O. Hanselman, M. Mukherjee, M. K. Halushka, K. B. Margulies, K. Campbell, T. C. Irving, D. A. Kass, S. Hsu
This study identifies contractile deficits in right ventricular myocytes of HFrEF-PH patients, showing reduced calcium-activated tension and altered myosin ATP turnover, with implications for targeted therapies.
bioRxiv · Mar 9, 2023Biophysics