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Calcium alternans produced by increased sarcoplasmic reticulum refractoriness
(2011-09-29)
Article
Accés obertDespite the important role of electro-mechanical alternans in cardiac arrhythmogenesis, its molecular origin is not well understood. In this paper we want to study alternans that can be associated with alternations in the ... -
Calcium alternans is a global order-disorder phase transition: robustness on ryanodine receptor release dynamics
(2016-01-01)
Article
Accés obertElectromechanical alternans is a beat-to-beat alterna- tion in the strength of contraction of a cardiac cell which appears often due to an instability of calcium cycling. The global calcium signal in cardiomyocytes is ... -
Propagation malfunctions due to gap junction dysregulation
(2015-01-02)
Article
Accés obertGap junctions are membrane channels that connect the cytoplasm of adjacent cells allowing the cell-to-cell elec- trical coupling necessary for action potential propagation. Pathological conditions, such as malformations ... -
Effect of RyR2 refractoriness and hypercalcemia on calcium overload, spontaneous release, and calcium alternans
(2013)
Article
Accés restringit per política de l'editorialIn this work we use a computer model of a ventricular rabbit myocyte to study several factors that affect sarcoplasmic reticulum (SR) calcium load, such as hypercalcemia, SR calcium buffering, or ryanodine receptor ...
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