Published in Biophys J on August 17, 2007
CaMKII in myocardial hypertrophy and heart failure. J Mol Cell Cardiol (2011) 2.65
A novel computational model of the human ventricular action potential and Ca transient. J Mol Cell Cardiol (2009) 2.36
Na+ channel regulation by Ca2+/calmodulin and Ca2+/calmodulin-dependent protein kinase II in guinea-pig ventricular myocytes. Cardiovasc Res (2009) 1.88
Reactive oxygen species-activated Ca/calmodulin kinase IIδ is required for late I(Na) augmentation leading to cellular Na and Ca overload. Circ Res (2011) 1.69
CaMKII in the cardiovascular system: sensing redox states. Physiol Rev (2011) 1.67
Calcium/calmodulin-dependent protein kinase II contributes to cardiac arrhythmogenesis in heart failure. Circ Heart Fail (2009) 1.64
Calcium/calmodulin-dependent kinase II regulation of cardiac ion channels. J Cardiovasc Pharmacol (2009) 1.63
Calmodulin mediates differential sensitivity of CaMKII and calcineurin to local Ca2+ in cardiac myocytes. Biophys J (2008) 1.61
Calmodulin-dependent protein kinase II: linking heart failure and arrhythmias. Circ Res (2012) 1.61
Ca/calmodulin kinase II differentially modulates potassium currents. Circ Arrhythm Electrophysiol (2009) 1.37
Ca2+/calmodulin-dependent protein kinase II-based regulation of voltage-gated Na+ channel in cardiac disease. Circulation (2012) 1.31
Role of activated CaMKII in abnormal calcium homeostasis and I(Na) remodeling after myocardial infarction: insights from mathematical modeling. J Mol Cell Cardiol (2008) 1.27
New therapeutic targets in cardiology: arrhythmias and Ca2+/calmodulin-dependent kinase II (CaMKII). Circulation (2012) 1.16
Synergy between CaMKII substrates and β-adrenergic signaling in regulation of cardiac myocyte Ca(2+) handling. Biophys J (2010) 1.12
Role of CaMKII in RyR leak, EC coupling and action potential duration: a computational model. J Mol Cell Cardiol (2010) 1.10
Integrative systems models of cardiac excitation-contraction coupling. Circ Res (2011) 1.09
CaMKII-induced shift in modal gating explains L-type Ca(2+) current facilitation: a modeling study. Biophys J (2009) 1.08
Computational approaches to understand cardiac electrophysiology and arrhythmias. Am J Physiol Heart Circ Physiol (2012) 1.05
Late sodium current contributes to the reverse rate-dependent effect of IKr inhibition on ventricular repolarization. Circulation (2011) 1.03
Calmodulin binding proteins provide domains of local Ca2+ signaling in cardiac myocytes. J Mol Cell Cardiol (2011) 1.00
Computational models reduce complexity and accelerate insight into cardiac signaling networks. Circ Res (2011) 1.00
Post-translational modifications of the cardiac Na channel: contribution of CaMKII-dependent phosphorylation to acquired arrhythmias. Am J Physiol Heart Circ Physiol (2013) 1.00
Simulation and mechanistic investigation of the arrhythmogenic role of the late sodium current in human heart failure. PLoS One (2012) 0.93
Na+ channel function, regulation, structure, trafficking and sequestration. J Physiol (2015) 0.88
Nonequilibrium reactivation of Na+ current drives early afterdepolarizations in mouse ventricle. Circ Arrhythm Electrophysiol (2014) 0.87
Cardiac myocytes and local signaling in nano-domains. Prog Biophys Mol Biol (2011) 0.85
Integrative modeling of the cardiac ventricular myocyte. Wiley Interdiscip Rev Syst Biol Med (2010) 0.84
Numerical Modeling Calcium and CaMKII Effects in the SA Node. Front Pharmacol (2014) 0.84
Atrial-selective targeting of arrhythmogenic phase-3 early afterdepolarizations in human myocytes. J Mol Cell Cardiol (2015) 0.84
Ion Channels in the Heart. Compr Physiol (2015) 0.83
A computational modelling approach combined with cellular electrophysiology data provides insights into the therapeutic benefit of targeting the late Na+ current. J Physiol (2015) 0.82
Modeling CaMKII-mediated regulation of L-type Ca(2+) channels and ryanodine receptors in the heart. Front Pharmacol (2014) 0.81
Mathematical modeling of physiological systems: an essential tool for discovery. Life Sci (2014) 0.80
Cardiac Na+-Ca2+ exchanger: dynamics of Ca2+-dependent activation and deactivation in intact myocytes. J Physiol (2013) 0.80
CaMKII-dependent activation of late INa contributes to cellular arrhythmia in a model of the cardiac myocyte. Conf Proc IEEE Eng Med Biol Soc (2011) 0.80
Late cardiac sodium current can be assessed using automated patch-clamp. F1000Res (2014) 0.79
Cardiac resynchronization therapy improves altered Na channel gating in canine model of dyssynchronous heart failure. Circ Arrhythm Electrophysiol (2013) 0.77
The force-frequency relationship: insights from mathematical modeling. Adv Physiol Educ (2013) 0.77
New treatment options for late Na current, arrhythmias, and diastolic dysfunction. Curr Heart Fail Rep (2012) 0.77
Mechanistic Investigation of the Arrhythmogenic Role of Oxidized CaMKII in the Heart. Biophys J (2015) 0.76
Na(+) channel I-II loop mediates parallel genetic and phosphorylation-dependent gating changes. Circulation (2012) 0.76
Three ways to die suddenly: do they all require calcium calmodulin-dependent protein kinase II? Trans Am Clin Climatol Assoc (2014) 0.75
A mathematical model for active contraction in healthy and failing myocytes and left ventricles. PLoS One (2017) 0.75
Cardiac Na Channels: Structure to Function. Curr Top Membr (2016) 0.75
A model model: a commentary on DiFrancesco and Noble (1985) 'A model of cardiac electrical activity incorporating ionic pumps and concentration changes'. Philos Trans R Soc Lond B Biol Sci (2015) 0.75
Calmodulin kinase II inhibition protects against structural heart disease. Nat Med (2005) 5.87
Ca2+/calmodulin-dependent protein kinase modulates cardiac ryanodine receptor phosphorylation and sarcoplasmic reticulum Ca2+ leak in heart failure. Circ Res (2005) 5.34
Arrhythmogenesis and contractile dysfunction in heart failure: Roles of sodium-calcium exchange, inward rectifier potassium current, and residual beta-adrenergic responsiveness. Circ Res (2001) 5.08
Short QT Syndrome: a familial cause of sudden death. Circulation (2003) 4.23
Concern Calmodulin kinase II and arrhythmias in a mouse model of cardiac hypertrophy. Circulation (2002) 4.16
The deltaC isoform of CaMKII is activated in cardiac hypertrophy and induces dilated cardiomyopathy and heart failure. Circ Res (2003) 4.13
A mathematical treatment of integrated Ca dynamics within the ventricular myocyte. Biophys J (2004) 3.72
Ca2+/calmodulin-dependent protein kinase II regulates cardiac Na+ channels. J Clin Invest (2006) 3.33
Ca2+/Calmodulin-dependent protein kinase II phosphorylation of ryanodine receptor does affect calcium sparks in mouse ventricular myocytes. Circ Res (2006) 3.26
Ionic current basis of electrocardiographic waveforms: a model study. Circ Res (2002) 3.09
Transgenic CaMKIIdeltaC overexpression uniquely alters cardiac myocyte Ca2+ handling: reduced SR Ca2+ load and activated SR Ca2+ release. Circ Res (2003) 3.04
Rate dependence and regulation of action potential and calcium transient in a canine cardiac ventricular cell model. Circulation (2004) 2.83
Increased late sodium current in myocytes from a canine heart failure model and from failing human heart. J Mol Cell Cardiol (2005) 2.60
Increased sarcoplasmic reticulum calcium leak but unaltered contractility by acute CaMKII overexpression in isolated rabbit cardiac myocytes. Circ Res (2005) 2.50
Na(+) channel mutation that causes both Brugada and long-QT syndrome phenotypes: a simulation study of mechanism. Circulation (2002) 2.49
Intracellular Na(+) concentration is elevated in heart failure but Na/K pump function is unchanged. Circulation (2002) 2.32
Role of Ca2+/calmodulin-dependent protein kinase (CaMK) in excitation-contraction coupling in the heart. Cardiovasc Res (2006) 2.30
Na(+)-Ca(2+) exchange current and submembrane [Ca(2+)] during the cardiac action potential. Circ Res (2002) 2.21
Two distinct congenital arrhythmias evoked by a multidysfunctional Na(+) channel. Circ Res (2000) 2.17
Activity of cAMP-dependent protein kinase and Ca2+/calmodulin-dependent protein kinase in failing and nonfailing human hearts. Cardiovasc Res (1999) 2.12
Role of Ca2+/calmodulin-dependent protein kinase II in cardiac hypertrophy and heart failure. Cardiovasc Res (2004) 2.00
Ca-dependent facilitation of cardiac Ca current is due to Ca-calmodulin-dependent protein kinase. Am J Physiol (1994) 1.98
Rate dependence of [Na+]i and contractility in nonfailing and failing human myocardium. Circulation (2002) 1.95
Calmodulin kinase II inhibition shortens action potential duration by upregulation of K+ currents. Circ Res (2006) 1.94
Electrical heterogeneity within the ventricular wall. Basic Res Cardiol (2001) 1.90
Phospholamban is required for CaMKII-dependent recovery of Ca transients and SR Ca reuptake during acidosis in cardiac myocytes. J Mol Cell Cardiol (2004) 1.77
Multifunctional Ca2+/calmodulin-dependent protein kinase mediates Ca(2+)-induced enhancement of the L-type Ca2+ current in rabbit ventricular myocytes. Circ Res (1994) 1.76
Calmodulin mediates differential sensitivity of CaMKII and calcineurin to local Ca2+ in cardiac myocytes. Biophys J (2008) 1.61
The molecular physiology of the cardiac transient outward potassium current (I(to)) in normal and diseased myocardium. J Mol Cell Cardiol (2001) 1.54
Temperature and relative contributions of Ca transport systems in cardiac myocyte relaxation. Am J Physiol (1996) 1.49
Regulation of cardiac sarcoplasmic reticulum Ca release by luminal [Ca] and altered gating assessed with a mathematical model. Biophys J (2005) 1.47
Regulation of Ca2+ and electrical alternans in cardiac myocytes: role of CAMKII and repolarizing currents. Am J Physiol Heart Circ Physiol (2007) 1.45
Regulation of the transient outward K(+) current by Ca(2+)/calmodulin-dependent protein kinases II in human atrial myocytes. Circ Res (1999) 1.40
Molecular correlates of altered expression of potassium currents in failing rabbit myocardium. Am J Physiol Heart Circ Physiol (2005) 1.39
Calcium/calmodulin-dependent protein kinase IIdelta associates with the ryanodine receptor complex and regulates channel function in rabbit heart. Biochem J (2004) 1.33
Insights into the molecular mechanisms of bradycardia-triggered arrhythmias in long QT-3 syndrome. J Clin Invest (2002) 1.31
A multi-modal composition of the late Na+ current in human ventricular cardiomyocytes. Cardiovasc Res (2005) 1.29
Heterogeneous changes in action potential and intracellular Ca2+ in left ventricular myocyte sub-types from rabbits with heart failure. Cardiovasc Res (2000) 1.19
Action potential duration determines sarcoplasmic reticulum Ca2+ reloading in mammalian ventricular myocytes. J Physiol (2004) 1.06
Differential modulation of Kv4.2 and Kv4.3 channels by calmodulin-dependent protein kinase II in rat cardiac myocytes. Am J Physiol Heart Circ Physiol (2006) 1.01
Cardiac repolarization. The long and short of it. Europace (2005) 1.00
Sodium channel variants in heart disease: expanding horizons. J Cardiovasc Electrophysiol (2006) 0.97
Contributions of sustained INa and IKv43 to transmural heterogeneity of early repolarization and arrhythmogenesis in canine left ventricular myocytes. Am J Physiol Heart Circ Physiol (2006) 0.96
Mechanistic investigation of extracellular K+ accumulation during acute myocardial ischemia: a simulation study. Am J Physiol Heart Circ Physiol (2002) 0.91
In silico assessment of Y1795C and Y1795H SCN5A mutations: implication for inherited arrhythmogenic syndromes. Am J Physiol Heart Circ Physiol (2006) 0.79
Ca2+/calmodulin-dependent protein kinase modulates cardiac ryanodine receptor phosphorylation and sarcoplasmic reticulum Ca2+ leak in heart failure. Circ Res (2005) 5.34
Pluripotency of spermatogonial stem cells from adult mouse testis. Nature (2006) 4.29
The deltaC isoform of CaMKII is activated in cardiac hypertrophy and induces dilated cardiomyopathy and heart failure. Circ Res (2003) 4.13
Local InsP3-dependent perinuclear Ca2+ signaling in cardiac myocyte excitation-transcription coupling. J Clin Invest (2006) 3.72
A mathematical treatment of integrated Ca dynamics within the ventricular myocyte. Biophys J (2004) 3.72
Ca2+ scraps: local depletions of free [Ca2+] in cardiac sarcoplasmic reticulum during contractions leave substantial Ca2+ reserve. Circ Res (2003) 3.47
Beta-adrenergic enhancement of sarcoplasmic reticulum calcium leak in cardiac myocytes is mediated by calcium/calmodulin-dependent protein kinase. Circ Res (2007) 3.46
Ca2+/calmodulin-dependent protein kinase II regulates cardiac Na+ channels. J Clin Invest (2006) 3.33
Ca2+/Calmodulin-dependent protein kinase II phosphorylation of ryanodine receptor does affect calcium sparks in mouse ventricular myocytes. Circ Res (2006) 3.26
Generation of functional murine cardiac myocytes from induced pluripotent stem cells. Circulation (2008) 3.11
Elevated sarcoplasmic reticulum Ca2+ leak in intact ventricular myocytes from rabbits in heart failure. Circ Res (2003) 3.04
Transgenic CaMKIIdeltaC overexpression uniquely alters cardiac myocyte Ca2+ handling: reduced SR Ca2+ load and activated SR Ca2+ release. Circ Res (2003) 3.04
Cellular basis of triggered arrhythmias in heart failure. Trends Cardiovasc Med (2004) 2.97
Quantitative assessment of the SR Ca2+ leak-load relationship. Circ Res (2002) 2.93
Cellular basis of abnormal calcium transients of failing human ventricular myocytes. Circ Res (2003) 2.86
SparkMaster: automated calcium spark analysis with ImageJ. Am J Physiol Cell Physiol (2007) 2.84
Hypercontractile female hearts exhibit increased S-nitrosylation of the L-type Ca2+ channel alpha1 subunit and reduced ischemia/reperfusion injury. Circ Res (2006) 2.84
Generation of induced pluripotent stem cells from human cord blood. Cell Stem Cell (2009) 2.78
The delta isoform of CaM kinase II is required for pathological cardiac hypertrophy and remodeling after pressure overload. Proc Natl Acad Sci U S A (2009) 2.66
CaMKII in myocardial hypertrophy and heart failure. J Mol Cell Cardiol (2011) 2.65
Drug screening using a library of human induced pluripotent stem cell-derived cardiomyocytes reveals disease-specific patterns of cardiotoxicity. Circulation (2013) 2.57
Increased sarcoplasmic reticulum calcium leak but unaltered contractility by acute CaMKII overexpression in isolated rabbit cardiac myocytes. Circ Res (2005) 2.50
Ranolazine improves diastolic dysfunction in isolated myocardium from failing human hearts--role of late sodium current and intracellular ion accumulation. J Mol Cell Cardiol (2008) 2.49
Inhibition of elevated Ca2+/calmodulin-dependent protein kinase II improves contractility in human failing myocardium. Circ Res (2010) 2.38
A novel computational model of the human ventricular action potential and Ca transient. J Mol Cell Cardiol (2009) 2.36
Abnormal calcium handling properties underlie familial hypertrophic cardiomyopathy pathology in patient-specific induced pluripotent stem cells. Cell Stem Cell (2013) 2.33
Intracellular Na(+) concentration is elevated in heart failure but Na/K pump function is unchanged. Circulation (2002) 2.32
Ryanodine receptor phosphorylation by calcium/calmodulin-dependent protein kinase II promotes life-threatening ventricular arrhythmias in mice with heart failure. Circulation (2010) 2.32
Role of Ca2+/calmodulin-dependent protein kinase (CaMK) in excitation-contraction coupling in the heart. Cardiovasc Res (2006) 2.30
Kinetics of FKBP12.6 binding to ryanodine receptors in permeabilized cardiac myocytes and effects on Ca sparks. Circ Res (2010) 2.29
Proarrhythmic consequences of a KCNQ1 AKAP-binding domain mutation: computational models of whole cells and heterogeneous tissue. Circ Res (2004) 2.29
Approximate model of cooperative activation and crossbridge cycling in cardiac muscle using ordinary differential equations. Biophys J (2008) 2.29
Sarcoplasmic reticulum Ca2+ and heart failure: roles of diastolic leak and Ca2+ transport. Circ Res (2003) 2.28
Sarcoplasmic reticulum and nuclear envelope are one highly interconnected Ca2+ store throughout cardiac myocyte. Circ Res (2006) 2.27
Cardiac alternans do not rely on diastolic sarcoplasmic reticulum calcium content fluctuations. Circ Res (2006) 2.25
Blocking late sodium current reduces hydrogen peroxide-induced arrhythmogenic activity and contractile dysfunction. J Pharmacol Exp Ther (2006) 2.21
Na(+)-Ca(2+) exchange current and submembrane [Ca(2+)] during the cardiac action potential. Circ Res (2002) 2.21
Differential cardiac remodeling in preload versus afterload. Circulation (2010) 2.20
Persistent STAT3 activation in colon cancer is associated with enhanced cell proliferation and tumor growth. Neoplasia (2005) 2.18
Termination of cardiac Ca2+ sparks: role of intra-SR [Ca2+], release flux, and intra-SR Ca2+ diffusion. Circ Res (2008) 2.12
Phospholamban ablation rescues sarcoplasmic reticulum Ca(2+) handling but exacerbates cardiac dysfunction in CaMKIIdelta(C) transgenic mice. Circ Res (2009) 2.12
Diabetic hyperglycaemia activates CaMKII and arrhythmias by O-linked glycosylation. Nature (2013) 2.08
Protein kinase A phosphorylation of the ryanodine receptor does not affect calcium sparks in mouse ventricular myocytes. Circ Res (2002) 2.06
Altered Na(+) currents in atrial fibrillation effects of ranolazine on arrhythmias and contractility in human atrial myocardium. J Am Coll Cardiol (2010) 2.04
CaMKII-dependent diastolic SR Ca2+ leak and elevated diastolic Ca2+ levels in right atrial myocardium of patients with atrial fibrillation. Circ Res (2010) 2.02
Ca²+ spark-dependent and -independent sarcoplasmic reticulum Ca²+ leak in normal and failing rabbit ventricular myocytes. J Physiol (2010) 2.01
Voltage dependence of cardiac excitation-contraction coupling: unitary Ca2+ current amplitude and open channel probability. Circ Res (2007) 1.96
Rate dependence of [Na+]i and contractility in nonfailing and failing human myocardium. Circulation (2002) 1.95
Phospholemman-phosphorylation mediates the beta-adrenergic effects on Na/K pump function in cardiac myocytes. Circ Res (2005) 1.94
Calcium, calmodulin, and calcium-calmodulin kinase II: heartbeat to heartbeat and beyond. J Mol Cell Cardiol (2002) 1.94
Expression and phosphorylation of the na-pump regulatory subunit phospholemman in heart failure. Circ Res (2005) 1.92
Phospholemman phosphorylation mediates the protein kinase C-dependent effects on Na+/K+ pump function in cardiac myocytes. Circ Res (2006) 1.89
Frequency-dependent acceleration of relaxation in the heart depends on CaMKII, but not phospholamban. J Mol Cell Cardiol (2002) 1.82
Human atrial action potential and Ca2+ model: sinus rhythm and chronic atrial fibrillation. Circ Res (2011) 1.82
Modulation of excitation-contraction coupling by isoproterenol in cardiomyocytes with controlled SR Ca2+ load and Ca2+ current trigger. J Physiol (2004) 1.81
Allergens are distributed into few protein families and possess a restricted number of biochemical functions. J Allergy Clin Immunol (2008) 1.77
Influence of pyruvate on contractile performance and Ca(2+) cycling in isolated failing human myocardium. Circulation (2002) 1.73
Reactive oxygen species-activated Ca/calmodulin kinase IIδ is required for late I(Na) augmentation leading to cellular Na and Ca overload. Circ Res (2011) 1.69
Phosphodiesterase-2 is up-regulated in human failing hearts and blunts β-adrenergic responses in cardiomyocytes. J Am Coll Cardiol (2013) 1.68
Intracellular [Na+] and Na+ pump rate in rat and rabbit ventricular myocytes. J Physiol (2002) 1.67
Calcium and cardiac rhythms: physiological and pathophysiological. Circ Res (2002) 1.67
Ca2+/calmodulin-dependent protein kinase II and protein kinase A differentially regulate sarcoplasmic reticulum Ca2+ leak in human cardiac pathology. Circulation (2013) 1.67
Cardiac type 2 inositol 1,4,5-trisphosphate receptor: interaction and modulation by calcium/calmodulin-dependent protein kinase II. J Biol Chem (2005) 1.64
Calcium/calmodulin-dependent protein kinase II contributes to cardiac arrhythmogenesis in heart failure. Circ Heart Fail (2009) 1.64
CaMKIIdelta isoforms differentially affect calcium handling but similarly regulate HDAC/MEF2 transcriptional responses. J Biol Chem (2007) 1.64
Dynamic changes in free Ca-calmodulin levels in adult cardiac myocytes. J Mol Cell Cardiol (2006) 1.62
Gender differences in acute myocardial infarction in the era of reperfusion (the MITRA registry). Am J Cardiol (2002) 1.62
Calmodulin mediates differential sensitivity of CaMKII and calcineurin to local Ca2+ in cardiac myocytes. Biophys J (2008) 1.61
A critical function for Ser-282 in cardiac Myosin binding protein-C phosphorylation and cardiac function. Circ Res (2011) 1.61
AKAP150 contributes to enhanced vascular tone by facilitating large-conductance Ca2+-activated K+ channel remodeling in hyperglycemia and diabetes mellitus. Circ Res (2013) 1.59
Ca2+/calmodulin-dependent protein kinase IIdelta and protein kinase D overexpression reinforce the histone deacetylase 5 redistribution in heart failure. Circ Res (2008) 1.58
Ryanodine receptor phosphorylation at Serine 2030, 2808 and 2814 in rat cardiomyocytes. Biochem Biophys Res Commun (2008) 1.57
Scintigraphic imaging of matrix metalloproteinase activity in the arterial wall in vivo. Circulation (2004) 1.57
Nitroxyl improves cellular heart function by directly enhancing cardiac sarcoplasmic reticulum Ca2+ cycling. Circ Res (2006) 1.56
Impaired contractile function and calcium handling in hearts of cardiac-specific calcineurin b1-deficient mice. Am J Physiol Heart Circ Physiol (2009) 1.56
Screening drug-induced arrhythmia [corrected] using human induced pluripotent stem cell-derived cardiomyocytes and low-impedance microelectrode arrays. Circulation (2013) 1.54
Diabetes increases mortality after myocardial infarction by oxidizing CaMKII. J Clin Invest (2013) 1.53
Local β-adrenergic stimulation overcomes source-sink mismatch to generate focal arrhythmia. Circ Res (2012) 1.53
Ca(2+) /calmodulin-dependent protein kinase II equally induces sarcoplasmic reticulum Ca(2+) leak in human ischaemic and dilated cardiomyopathy. Eur J Heart Fail (2014) 1.52
Deranged sodium to sudden death. J Physiol (2015) 1.51
Sarcoplasmic reticulum calcium overloading in junctin deficiency enhances cardiac contractility but increases ventricular automaticity. Circulation (2007) 1.51
CaMKII inhibition targeted to the sarcoplasmic reticulum inhibits frequency-dependent acceleration of relaxation and Ca2+ current facilitation. J Mol Cell Cardiol (2006) 1.51
Increased SR Ca2+ cycling contributes to improved contractile performance in SERCA2a-overexpressing transgenic rats. Cardiovasc Res (2005) 1.51
Modulation of SR Ca release by luminal Ca and calsequestrin in cardiac myocytes: effects of CASQ2 mutations linked to sudden cardiac death. Biophys J (2008) 1.49
Simultaneous measurements of mitochondrial NADH and Ca(2+) during increased work in intact rat heart trabeculae. Biophys J (2002) 1.47
Regulation of cardiac sarcoplasmic reticulum Ca release by luminal [Ca] and altered gating assessed with a mathematical model. Biophys J (2005) 1.47
Assessment of kidney volume in polycystic kidney disease using magnetic resonance imaging without contrast medium. Am J Nephrol (2011) 1.47