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Rapid electrical stimulation induces early activation of kinase signal transduction pathways and apoptosis in adult rat ventricular myocytes.

2019-10-22T17:43:24-05:00

Rapid electrical stimulation induces early activation of kinase signal transduction pathways and apoptosis in adult rat ventricular myocytes. Kuramochi Y1, Guo X, Sawyer DB, Lim CC Abstract: Chronic tachycardia in patients and rapid pacing in animal models induce myocardial dysfunction and initiate a cascade of compensatory adaptations that are ultimately unsustainable, leading to ventricular enlargement and failure. The molecular pathogenesis during the early stages of tachycardia-induced cardiomyopathy, however, remains unclear. [...]

Rapid electrical stimulation induces early activation of kinase signal transduction pathways and apoptosis in adult rat ventricular myocytes.2019-10-22T17:43:24-05:00

Phosphorylation of phospholamban at threonine-17 reduces cardiac adrenergic contractile responsiveness in chronic pressure overload-induced hypertrophy.

2019-10-22T17:48:24-05:00

Phosphorylation of phospholamban at threonine-17 reduces cardiac adrenergic contractile responsiveness in chronic pressure overload-induced hypertrophy. Mills GD, Kubo H, Harris DM, Berretta RM, Piacentino V 3rd, Houser SR Abstract: Physiological hemodynamic stress, such as aerobic exercise, is intermittent and requires an increase in Ca2+-dependent contractility through sympathetic nervous system activation. Pathological hemodynamic stress, such as hypertension, is persistent and requires sustained increases in cardiac function. Over time, this causes left [...]

Phosphorylation of phospholamban at threonine-17 reduces cardiac adrenergic contractile responsiveness in chronic pressure overload-induced hypertrophy.2019-10-22T17:48:24-05:00
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