Published in J Cell Sci on July 01, 1972
Shape, size, and distribution of Ca(2+) release units and couplons in skeletal and cardiac muscles. Biophys J (1999) 5.37
Ionic currents in single isolated bullfrog atrial cells. J Gen Physiol (1983) 2.19
Potassium accumulation and depletion in frog atrial muscle. J Physiol (1976) 2.07
Mechanisms for intracellular calcium regulation in heart. I. Stopped-flow measurements of Ca++ uptake by cardiac mitochondria. J Gen Physiol (1973) 1.89
Measurement of transmembrane potential and current in cardiac muscle: a new voltage clamp method. J Physiol (1977) 1.68
The ultrastructure of the mammalian cardiac muscle cell--with special emphasis on the tubular membrane systems. A review. Am J Pathol (1976) 1.68
Kinetic analysis of the delayed outward currents in frog atrium. Existence of two types of preparation. J Physiol (1974) 1.57
Variation of intracellular Ca2+ following Ca2+ current in heart. A theoretical study of ionic diffusion inside a cylindrical cell. Biophys J (1983) 1.55
Voltage clamp of bull-frog cardiac pace-maker cells: a quantitative analysis of potassium currents. J Physiol (1985) 1.52
Sodium-calcium exchange in regulation of cardiac contractility. Evidence for an electrogenic, voltage-dependent mechanism. J Gen Physiol (1979) 1.49
The effects of caffeine on the contraction of the frog heart. J Physiol (1974) 1.38
Potassium efflux in heart muscle during activity: extracellular accumulation and its implications. J Physiol (1978) 1.38
The measurement and dynamic implications of thin filament lengths in heart muscle. J Physiol (1979) 1.36
Potassium efflux and accumulation in heart muscle. Evidence from K +/- electrode experiments. Biophys J (1976) 1.35
Inactivation, reactivation and pacing dependence of calcium current in frog cardiocytes: correlation with current density. J Physiol (1988) 1.31
Optical probes of membrane potential in heart muscle. J Physiol (1979) 1.30
The calcium and frequency dependence of the slow inward current 'staircase' in frog atrium. J Physiol (1981) 1.29
Electrical properties associated with wide intercellular clefts in rabbit Purkinje fibres. J Physiol (1979) 1.25
Sodium current in single cells from bullfrog atrium: voltage dependence and ion transfer properties. J Physiol (1987) 1.22
Studies of the sodium-calcium exchanger in bull-frog atrial myocytes. J Physiol (1988) 1.17
The interaction of sodium and calcium ions at the cell membrane and the control of contractile strength in frog atrial muscle. J Physiol (1980) 1.17
Extracellular potassium accumulation in voltage-clamped frog ventricular muscle. J Physiol (1979) 1.17
Intracellular calcium binding and release in frog heart. J Gen Physiol (1973) 1.14
An analysis of the cable properties of frog ventricular myocardium. J Physiol (1978) 1.14
Phosphorylation of C-protein in intact amphibian cardiac muscle. Correlation between 32P incorporation and twitch relaxation. J Gen Physiol (1984) 1.13
A synthetic strand of cardiac muscle: its passive electrical properties. J Gen Physiol (1975) 1.09
Ion transfer characteristics of the calcium current in bull-frog atrial myocytes. J Physiol (1988) 1.06
The tension-depolarization relationship of frog atrial trabeculae as determined by potassium contractures. J Physiol (1981) 1.06
The onic dependence of the strength and spontaneous relations of the potassium contracture induced in the heart of the frog Rana pipiens. J Physiol (1973) 1.06
A theoretical study on the sucrose gap technique as applied to multicellular muscle preparations. I. Saline-sucrose interdiffusion. Biophys J (1981) 1.05
Properties of "creep currents" in single frog atrial cells. J Gen Physiol (1986) 1.05
Electromechanical studies on the inotropic effects of acetylstrophanthidin in ventricular muscle. J Physiol (1975) 1.04
Effect of extracellular calcium on contractile activation in guinea-pig ventricular muscle. J Physiol (1984) 1.04
The reversible replacement of internal potassium by caesium in isolated turtle heart. J Physiol (1979) 1.00
Ionic currents that generate the spontaneous diastolic depolarization in individual cardiac pacemaker cells. Proc Natl Acad Sci U S A (1985) 0.98
Regenerative repolarization of the frog ventricular action potential: a time and voltage-dependent phenomenon. J Physiol (1977) 0.98
Positive and negative inotropic effects of NO donors in atrial and ventricular fibres of the frog heart. J Physiol (1999) 0.97
Reversal potential of the calcium current in bull-frog atrial myocytes. J Physiol (1988) 0.97
Location of ryanodine and dihydropyridine receptors in frog myocardium. Biophys J (2003) 0.96
Molecular determinants of cAMP-mediated regulation of the Na+-Ca2+ exchanger expressed in human cell lines. J Physiol (2003) 0.87
Regulation of cardiac sodium-calcium exchanger by beta-adrenergic agonists. Proc Natl Acad Sci U S A (1996) 0.86
On the effects of divalent cations and ethylene glycol-bis-(beta-aminoethyl ether) N,N,N',N'-tetraacetate on action potential duration in frog heart. J Gen Physiol (1978) 0.86
Activity-induced potassium accumulation and its uptake in frog ventricular muscle. J Physiol (1982) 0.84
Extracellular calcium ion depletion in frog cardiac ventricular muscle. Biophys J (1985) 0.82
Influence of intercellular clefts on potential and current distribution in a multifiber preparation. Biophys J (1980) 0.81
Membrane currents and activation of contraction in rat ventricular fibres. J Physiol (1974) 0.81
Heart muscle. Intracellular potassium and inward-going rectification. Biophys J (1981) 0.81
A study of the electrical characteristics of sodium currents in single ventricular cells of the frog. J Physiol (1988) 0.80
Interstitial sodium nuclear magnetic resonance relaxation times in perfused hearts. Biophys J (1990) 0.78
Optical measurement of voltage-dependent Ca2+ influx in frog heart. Proc Natl Acad Sci U S A (1985) 0.77
Relationship between renin activity and concentration; application of a direct renin assay following partial renal artery occlusion. J Physiol (1973) 0.76
A theoretical study on the sucrose gap technique as applied to multicellular muscle preparations. III. Methodical errors in the determination of inward currents. Biophys J (1983) 0.75
beta-adrenergic regulation of a novel isoform of NCX: sequence and expression of shark heart NCX in human kidney cells. Am J Physiol Heart Circ Physiol (2009) 0.75
Spheroidal bodies in the junctional sarcoplasmic reticulum of lizard myocardial cells. J Cell Biol (1974) 0.75
A comparison of the fine structures of frog slow and twitch muscle fibers. J Cell Biol (1965) 4.25
The dual effect of calcium on the action potential of the frog's heart. J Physiol (1966) 2.84
Fine structure of tortoise skeletal muscle. J Physiol (1968) 1.84
The dependence of the action potential of the frog's heart on the external and intracellular sodium concentration. J Physiol (1966) 1.72
Structure and some contractile properties of fast and slow muscles of the chicken. J Physiol (1969) 1.70
Effects of calcium on the contraction of the hypodynamic frog heart. J Physiol (1970) 1.67
Intracellular sodium concentration and resting sodium fluxes of the frog heart ventricle. J Physiol (1967) 1.60
Calcium fluxes in frog heart ventricles. Pflugers Arch (1969) 1.35
Analysis of catecholamine effects in single atrial trabeculae of the frog heart. Proc R Soc Lond B Biol Sci (1977) 1.31
Interaction between heart rate and calcium concentration in the control of contractile strength of the frog heart. J Physiol (1970) 1.26
Analysis of caffeine action in single trabeculae of the frog heart. Proc R Soc Lond B Biol Sci (1981) 1.03
Do intracellular concentrations of potassium or sodium regulate the strength of the heart beat? Nature (1971) 1.00
Localization of ATPase activity in striated muscle and probable sources of artifact. J Cell Sci (1967) 0.95
Two physiological agents that appear to facilitate calcium discharge from the sarcoplasmic reticulum in frog heart cells: adrenalin an ATP. Proc R Soc Lond B Biol Sci (1981) 0.94
Determination of calcium movements in heart ventricles of the frog. J Physiol (1969) 0.90
Analysis of a rapid twitch facilitation in the frog heart. Proc R Soc Lond B Biol Sci (1975) 0.87
The dual nature of the membrane potential increase associated with the activity of the sodium/potassium exchange pump in skeletal muscle fibres. Proc R Soc Lond B Biol Sci (1977) 0.83
A new method for the determination of calcium fluxes in the frog heart by means of high precision measurement of 45 calcium concentrations. Pflugers Arch (1969) 0.75