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rdf:type
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Description
| - A model of the guinea-pig cardiac ventricular myocyte has been developed that includes a representation of the transverse-axial tubular system (TATS), including heterogeneous distribution of ion flux pathways between the surface and tubular membranes. The model reproduces frequency-dependent changes of action potential shape and intracellular ion concentrations and can replicate experimental data showing ion diffusion between the tubular lumen and external solution in guinea-pig myocytes. The model is stable at rest and during activity and returns to rested state after perturbation. Theoretical analysis and model simulations show that, due to tight electrical coupling, tubular and surface membranes behave as a homogeneous whole during voltage and current clamp (maximum difference 0.9mV at peak tubular INa of 38 nA). However, during action potentials, restricted diffusion and ionic currents in TATS cause depletion of tubular Ca2+ and accumulation of tubular K+ (up to 19.8% and +3.
- A model of the guinea-pig cardiac ventricular myocyte has been developed that includes a representation of the transverse-axial tubular system (TATS), including heterogeneous distribution of ion flux pathways between the surface and tubular membranes. The model reproduces frequency-dependent changes of action potential shape and intracellular ion concentrations and can replicate experimental data showing ion diffusion between the tubular lumen and external solution in guinea-pig myocytes. The model is stable at rest and during activity and returns to rested state after perturbation. Theoretical analysis and model simulations show that, due to tight electrical coupling, tubular and surface membranes behave as a homogeneous whole during voltage and current clamp (maximum difference 0.9mV at peak tubular INa of 38 nA). However, during action potentials, restricted diffusion and ionic currents in TATS cause depletion of tubular Ca2+ and accumulation of tubular K+ (up to 19.8% and +3. (en)
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Title
| - A model of the guinea-pig ventricular cardiac myocyte incorporating a transverse-axial tubular system
- A model of the guinea-pig ventricular cardiac myocyte incorporating a transverse-axial tubular system (en)
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skos:prefLabel
| - A model of the guinea-pig ventricular cardiac myocyte incorporating a transverse-axial tubular system
- A model of the guinea-pig ventricular cardiac myocyte incorporating a transverse-axial tubular system (en)
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skos:notation
| - RIV/00216224:14110/08:00024217!RIV10-MSM-14110___
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
| - Z(AV0Z20760514), Z(MSM0021622402), Z(MSM0021630513)
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/00216224:14110/08:00024217
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - guinea pig; cardiac cell; transverse-axial tubular system; quantitative model (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
| - GB - Spojené království Velké Británie a Severního Irska
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
| - Progress in Biophysics and Molecular Biology
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Pásek, Michal
- Šimurda, Jiří
- Orchard, C.
- Christé, G.
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http://linked.open...ain/vavai/riv/wos
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http://linked.open...n/vavai/riv/zamer
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issn
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number of pages
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http://localhost/t...ganizacniJednotka
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