Search Results - "LEDERER, W. J"
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Calcium Sparks
Published in Physiological reviews (01-10-2008)“…Institute of Molecular Medicine, National Laboratory of Biomembrane and Membrane Biotechnology, Peking University, Beijing, China; and Medical Biotechnology…”
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X-ROS Signaling: Rapid Mechano-Chemo Transduction in Heart
Published in Science (American Association for the Advancement of Science) (09-09-2011)“…We report that in heart cells, physiologic stretch rapidly activates reduced-form nicotinamide adenine dinucleotide phosphate (NADPH) oxidase 2 (NOX2) to…”
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Mitochondrial calcium uptake
Published in Proceedings of the National Academy of Sciences - PNAS (25-06-2013)“…Calcium (Ca²⁺) uptake into the mitochondrial matrix is critically important to cellular function. As a regulator of matrix Ca²⁺ levels, this flux influences…”
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STIM1 enhances SR Ca²⁺ content through binding phospholamban in rat ventricular myocytes
Published in Proceedings of the National Academy of Sciences - PNAS (25-08-2015)“…In ventricular myocytes, the physiological function of stromal interaction molecule 1 (STIM1), an endo/sarcoplasmic reticulum (ER/SR) Ca²⁺ sensor, is unclear…”
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5
Orphaned Ryanodine Receptors in the Failing Heart
Published in Proceedings of the National Academy of Sciences - PNAS (14-03-2006)“…Heart muscle is characterized by a regular array of proteins and structures that form a repeating functional unit identified as the sarcomere. This regular…”
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6
Calmodulin kinase II inhibition protects against structural heart disease
Published in Nature medicine (01-04-2005)“…Beta-adrenergic receptor (betaAR) stimulation increases cytosolic Ca(2+) to physiologically augment cardiac contraction, whereas excessive betaAR activation…”
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Ankyrin-B mutation causes type 4 long-QT cardiac arrhythmia and sudden cardiac death
Published in Nature (London) (06-02-2003)“…Mutations in ion channels involved in the generation and termination of action potentials constitute a family of molecular defects that underlie fatal cardiac…”
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The growing importance of mitochondrial calcium in health and disease
Published in Proceedings of the National Academy of Sciences - PNAS (08-09-2015)Get full text
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On the Adjacency Matrix of RyR2 Cluster Structures
Published in PLoS computational biology (01-11-2015)“…In the heart, electrical stimulation of cardiac myocytes increases the open probability of sarcolemmal voltage-sensitive Ca2+ channels and flux of Ca2+ into…”
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STIM1–Ca2+signaling modulates automaticity of the mouse sinoatrial node
Published in Proceedings of the National Academy of Sciences - PNAS (13-10-2015)“…Cardiac pacemaking is governed by specialized cardiomyocytes located in the sinoatrial node (SAN). SAN cells (SANCs) integrate voltage-gated currents from…”
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Superresolution Modeling of Calcium Release in the Heart
Published in Biophysical journal (16-12-2014)“…Stable calcium-induced calcium release (CICR) is critical for maintaining normal cellular contraction during cardiac excitation-contraction coupling. The…”
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Stabilization of Cardiac Ryanodine Receptor Prevents Intracellular Calcium Leak and Arrhythmias
Published in Proceedings of the National Academy of Sciences - PNAS (16-05-2006)“…Catecholaminergic polymorphic ventricular tachycardia is a form of exercise-induced sudden cardiac death that has been linked to mutations in the cardiac Ca²⁺…”
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Dynamics of Calcium Sparks and Calcium Leak in the Heart
Published in Biophysical journal (21-09-2011)“…We present what we believe to be a new mathematical model of Ca2+ leak from the sarcoplasmic reticulum (SR) in the heart. To our knowledge, it is the first to…”
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Relaxation of Arterial Smooth Muscle by Calcium Sparks
Published in Science (American Association for the Advancement of Science) (27-10-1995)“…Local increases in intracellular calcium ion concentration ([Ca$^{2+}$]$_i$) resulting from activation of the ryanodine-sensitive calcium-release channel in…”
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Myosin-binding protein C corrects an intrinsic inhomogeneity in cardiac excitation-contraction coupling
Published in Science advances (06-02-2015)“…The beating heart exhibits remarkable contractile fidelity over a lifetime, which reflects the tight coupling of electrical, chemical, and mechanical elements…”
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Calcium Sparks: Elementary Events Underlying Excitation-Contraction Coupling in Heart Muscle
Published in Science (American Association for the Advancement of Science) (29-10-1993)“…Spontaneous local increases in the concentration of intracellular calcium, called "calcium sparks," were detected in quiescent rat heart cells with a laser…”
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Local recovery of Ca2+ release in rat ventricular myocytes
Published in The Journal of physiology (01-06-2005)“…Excitationâcontraction coupling in the heart depends on the positive feedback process of Ca 2 + -induced Ca 2 + release (CICR). While CICR provides for…”
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Heart failure after myocardial infarction : Altered excitation-contraction coupling
Published in Circulation (New York, N.Y.) (07-08-2001)“…Heart failure (HF) frequently follows the occurrence of myocardial infarction (MI). Questions about how HF develops and what cellular defects contribute to…”
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Defective Excitation-Contraction Coupling in Experimental Cardiac Hypertrophy and Heart Failure
Published in Science (American Association for the Advancement of Science) (02-05-1997)“…Cardiac hypertrophy and heart failure caused by high blood pressure were studied in single myocytes taken from hypertensive rats (Dahl SS/Jr) and SH-HF rats in…”
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FKBP12.6 Deficiency and Defective Calcium Release Channel (Ryanodine Receptor) Function Linked to Exercise-Induced Sudden Cardiac Death
Published in Cell (27-06-2003)“…Arrhythmias, a common cause of sudden cardiac death, can occur in structurally normal hearts, although the mechanism is not known. In cardiac muscle, the…”
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