ca transient amplitude

Reduced Ca2+ transient amplitudes may signify increased or ... - NCBI

Because neuronal Ca2+ transients are the result of the activation of VGCCs, it is frequently assumed that increased Ca2+ transient amplitudes ...

Biphasic decay of the Ca transient results from increased ...

In heart failure, a reduction in Ca transient amplitude and contractile dysfunction can by caused by Ca leak through the sarcoplasmic reticulum (SR) Ca channel ...

Cellular shortening and calcium dynamics are improved by noisy ...

Ca2+ transient amplitude and raise rate variables were registered to measure Ca2+ transients. Our results for cell shortening, Ca2+ transient ...

The Ca2+ transient as a feedback sensor controlling cardiomyocyte ...

The Ca2+ transient determines the contractile force underlying arterial blood pressure generation regulated by baroreceptor feedback via the ...

Mechanisms of calcium transient and action potential alternans in ...

A useful method for quantitation of calcium transient alternans is the alternans ratio devised by Wu and Clusin (56): 1 − B/A, where B is the net amplitude of ...

Alterations in calcium handling in cardiac hypertrophy and heart failure

Confirming the observations of others, they found no change in the density of the L-type Ca2+ current, and the whole cell (spatially averaged) Ca2+ transients ...

[Ca 2+ ]i transient amplitude (measured as Fura-2 340 nm:380 nm...

The effects of increasing stimulation frequency (from 0.2 to 1.4 Hz) on the contractility, intracellular Ca2+ concentration ([Ca2+]i) and membrane potential of ...

ca transient amplitude: Topics by Science.gov

The evoked [Ca2+]i transient was of higher amplitude and of faster decay in the presence of 100 nM NPY. Cell contraction was also increased by NPY. We analyzed ...

Parameters of Ca 2+ transients, amplitude, rise time, and decay time....

We evaluated the kinetic parameters of Ca 2+ transients, monitoring the amplitude, area, and rates of rise and decay.

Cellular Basis of Abnormal Calcium Transients of Failing Human ...

These results show that Ca2+ influx during the AP makes a larger than normal contribution to the Ca2+ transient of F human ventricular myocytes ...

Synchronous force and Ca2+ measurements for repeated ... - Nature

b Calcium transients and ratio from CalRed (high Cai ... Our results show that PPP induces a substantial enhancement in the amplitude of Ca ...

The Control of Diastolic Calcium in the Heart | Circulation Research

In other words, by altering the level of saturation of buffers, diastolic [Ca2+]i determines the amplitude of the systolic transient produced by ...

CardIAP: calcium transients confocal image analysis tool - Frontiers

Fluctuations of the Ca2+ cycle may determine the Ca2+ alternans phase because the amplitude of Ca2+ alternans is low in the early phases of ...

Understanding Ca 2+ alternans - Rockefeller University Press

Ca2+ alternans (Ca-Alts) are beat-to-beat changes in the amplitude of the Ca2+ transients evoked in cardiomyocytes, which can lead to ...

Ca2+ Release via IP3 Receptors Shapes the Cardiac Ca2+ ...

A key result of our study is that IP3R activation increases Ca2+ transient duration for a broad range of IP3R properties, but the effect of IP3R activation on ...

Measuring Single-Cell Calcium Dynamics Using a Myofilament ...

Some features of transients that can be evaluated include transient frequency, transient amplitude, transient duration, upstroke velocity, area under the curve, ...

How cardiomyocyte excitation, calcium release and contraction ...

These studies indicate that age has relatively little effect on Ca2 + transient amplitude in cardiomyocytes from female animals, which differs markedly from ...

Simultaneous Measurement of Contraction and Calcium Transients ...

Ca (dark) and Ca (bright) amplitudes were not compared, as the comparison would not have been valid due to the bleaching of fluorescent dye ...

calcium transient amplitude: Topics by Science.gov

The upstates generate calcium transients in the dendrites, and the amplitude of these calcium ... Abstract In heart failure, a reduction in Ca transient amplitude ...

ATP-evoked intracellular Ca2+ transients shape the ionic ...

Changes in free intracellular Ca2+ concentration ([Ca2+]i) were measured by time-resolved digital fluorescence microscopy, using an integrated ...