Impaired β-adrenergic responsiveness accentuates dysfunctional excitation-contraction coupling in an ovine model of tachypacing-induced heart failure
(2011)
Journal Article
Briston, S., Caldwell, J., Horn, M., Clarke, J., Richards, M., Greensmith, D., …Trafford, A. (2011). Impaired β-adrenergic responsiveness accentuates dysfunctional excitation-contraction coupling in an ovine model of tachypacing-induced heart failure. Journal of Physiology, 589(Pt 6), 1367-82. https://doi.org/10.1113/jphysiol.2010.203984
Reduced inotropic responsiveness is characteristic of heart failure (HF). This study determined the cellular Ca2+ homeostatic and molecular mechanisms causing the blunted β-adrenergic (β-AR) response in HF.We induced HF by tachypacing in sheep; intra... Read More about Impaired β-adrenergic responsiveness accentuates dysfunctional excitation-contraction coupling in an ovine model of tachypacing-induced heart failure.