Search Results - "Trafford, A.W"
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Differences in intracellular calcium homeostasis between atrial and ventricular myocytes
Published in Journal of molecular and cellular cardiology (01-04-2009)“…Abstract The role that Ca2+ plays in ventricular excitation contraction coupling is well defined and much is known about the marked differences in the…”
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What role does modulation of the ryanodine receptor play in cardiac inotropy and arrhythmogenesis?
Published in Journal of molecular and cellular cardiology (01-04-2009)“…Abstract In this article we review the role of the Ryanodine Receptor (RyR) in cardiac inotropy and arrhythmogenesis. Most of the calcium that activates…”
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Reducing Ryanodine Receptor Open Probability as a Means to Abolish Spontaneous Ca2+ Release and Increase Ca2+ Transient Amplitude in Adult Ventricular Myocytes
Published in Circulation research (26-05-2006)“…The aim of this work was to investigate whether it is possible to remove arrhythmogenic Ca release from the sarcoplasmic reticulum that occurs in calcium…”
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Analysis of cellular calcium fluxes in cardiac muscle to understand calcium homeostasis in the heart
Published in Cell calcium (Edinburgh) (01-10-2007)“…Abstract Central to controlling intracellular calcium concentration ([Ca2+ ] i ) are a number of Ca2+ transporters and channels with the L-type Ca2+ channel,…”
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The control of sarcoplasmic reticulum Ca content in cardiac muscle
Published in Cell calcium (Edinburgh) (01-09-2005)“…Most of the calcium that activates contraction in the heart comes from the sarcoplasmic reticulum (SR) and it is therefore essential to control the SR Ca…”
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Increased ICaL Underlies Ventricular Action-Potential Prolongation After Spontaneous Ca2+ Release From The Sarcoplasmic Reticulum
Published in Heart rhythm (01-11-2011)Get full text
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The control of Ca release from the cardiac sarcoplasmic reticulum : regulation versus autoregulation
Published in Cardiovascular research (01-06-1998)“…This review discusses the mechanism and regulation of Ca release from the cardiac sarcoplasmic reticulum. Ca is released through the Ca release channel or…”
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Life, Sudden Death, and Intracellular Calcium
Published in Circulation research (04-08-2006)Get full text
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Measurement of sarcoplasmic reticulum Ca2+ content and sarcolemmal Ca2+ fluxes in isolated rat ventricular myocytes during spontaneous Ca2+ release
Published in The Journal of physiology (15-05-1997)“…1. Intracellular calcium concentration ([Ca2+]i) and Na(+)-Ca2+ exchange currents were measured in calcium-overloaded voltage-clamped rat ventricular myocytes…”
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The effects of low concentrations of caffeine on spontaneous Ca release in isolated rat ventricular myocytes
Published in Cell calcium (Edinburgh) (01-10-2000)“…We have investigated the effects on spontaneous SR Ca release of modulating the sarcoplasmic reticulum ryanodine receptor (RyR) with low (<0.5mM)…”
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Heart Failure and the Ryanodine Receptor: Does Occam’s Razor Rule?
Published in Circulation research (29-11-2002)Get full text
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The Effects of Exogenous Calcium Buffers on the Systolic Calcium Transient in Rat Ventricular Myocytes
Published in Biophysical journal (01-04-2001)“…The aim of this work was to characterize the effects that two commonly used “caged” calcium buffers (NP-EGTA and nitr-5) have on the amplitude and time course…”
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Illuminating Sarcoplasmic Reticulum Calcium
Published in Circulation research (11-07-2003)Get full text
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Age-related changes in the micromechanical properties of ovine aorta
Published in Artery research (2009)Get full text
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The role of intracellular Ca buffers in determining the shape of the systolic Ca transient in cardiac ventricular myocytes
Published in Pflügers Archiv (01-04-2001)“…We have studied the kinetics of decay of cardiac Ca transients elicited by either caffeine or electrical stimulation. The decay of the caffeine-evoked increase…”
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5.3 Age-Related Changes in the Micromechanical Properties of Ovine Aorta
Published in Artery research (01-12-2009)“…Scanning Acoustic Microscopy (SAM) images have a spatial resolution at 1 GHz comparable to conventional optical microscopy. Each pixel in the image can be…”
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Susceptibility to atrial alternans; a role for transverse (t)-tubule loss in heart failure (HF)?
Published in Journal of molecular and cellular cardiology (01-07-2018)Get full text
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Nanoindentation of histological specimens: Mapping the elastic properties of soft tissues
Published in Journal of materials research (01-03-2009)“…Although alterations in the gross mechanical properties of dynamic and compliant tissues have a major impact on human health and morbidity, there are no…”
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Frequency-modulated atomic force microscopy localises viscoelastic remodelling in the ageing sheep aorta
Published in Journal of the mechanical behavior of biomedical materials (01-12-2016)“…Age-related aortic stiffening is associated with cardiovascular diseases such as heart failure. The mechanical functions of the main structural components of…”
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