[HTML][HTML] Modelling and simulation for preclinical cardiac safety assessment of drugs with human iPSC-derived cardiomyocytes
P Kügler - Jahresbericht der Deutschen Mathematiker …, 2020 - Springer
As a potentially life threatening side effect, pharmaceutical compounds may trigger cardiac
arrhythmias by impeding the heart's electrical and mechanical function. For this reason, any …
arrhythmias by impeding the heart's electrical and mechanical function. For this reason, any …
[HTML][HTML] Bifurcations and Proarrhythmic Behaviors in Cardiac Electrical Excitations
K Tsumoto, Y Kurata - Biomolecules, 2022 - mdpi.com
The heart is a hierarchical dynamic system consisting of molecules, cells, and tissues, and
acts as a pump for blood circulation. The pumping function depends critically on the …
acts as a pump for blood circulation. The pumping function depends critically on the …
Bifurcation analysis of mixed-mode oscillations and Farey trees in an extended Bonhoeffer–van der Pol oscillator
M Sekikawa, T Kousaka, T Tsubone, N Inaba… - Physica D: Nonlinear …, 2022 - Elsevier
The two-variable Bonhoeffer–van der Pol oscillator, which is equivalent to the FitzHugh–
Nagumo model, can be represented by a natural circuit, ie, a circuit consisting only of simple …
Nagumo model, can be represented by a natural circuit, ie, a circuit consisting only of simple …
[HTML][HTML] Nested mixed-mode oscillations, Part III: Comparison of bifurcation structures between a driven Bonhoeffer–van der Pol oscillator and Nagumo–Sato …
N Inaba, T Tsubone, H Ito, H Okazaki… - Physica D: Nonlinear …, 2023 - Elsevier
In our previous studies (Inaba and Kousaka,(2020); Inaba and Tsubone,(2020)), we
discovered bifurcation structures represented by nested mixed-mode oscillations (MMOs) …
discovered bifurcation structures represented by nested mixed-mode oscillations (MMOs) …
Nested mixed-mode oscillations in a canard-generating driven Bonhoeffer–van der Pol oscillator
K Kato, N Inaba, K Shimizu, T Kousaka… - Physica D: Nonlinear …, 2022 - Elsevier
In previous works (Inaba and Kousaka, 2020; Inaba and Tsubone, 2020), the existence of
nested mixed-mode oscillation (MMO) bifurcation structures, generated by a driven slow …
nested mixed-mode oscillation (MMO) bifurcation structures, generated by a driven slow …
Dynamical mechanism for generation of arrhythmogenic early afterdepolarizations in cardiac myocytes: Insights from in silico electrophysiological models
We analyze the dynamical mechanisms underlying the formation of arrhythmogenic early
afterdepolarizations (EADs) in two mathematical models of cardiac cellular …
afterdepolarizations (EADs) in two mathematical models of cardiac cellular …
Dynamical analysis of early afterdepolarization patterns in a biophysically detailed cardiac model
Arrhythmogenic early afterdepolarizations (EADs) are investigated in a biophysically
detailed mathematical model of a rabbit ventricular myocyte, providing their location in the …
detailed mathematical model of a rabbit ventricular myocyte, providing their location in the …
[HTML][HTML] Multiple dynamical mechanisms of phase-2 early afterdepolarizations in a human ventricular myocyte model: Involvement of spontaneous SR Ca 2+ release
Y Kurata, K Tsumoto, K Hayashi, I Hisatome… - Frontiers in …, 2020 - frontiersin.org
Early afterdepolarization (EAD) is known to cause lethal ventricular arrhythmias in long QT
syndrome (LQTS). In this study, dynamical mechanisms of EAD formation in human …
syndrome (LQTS). In this study, dynamical mechanisms of EAD formation in human …
[HTML][HTML] Dissecting the roles of calcium cycling and its coupling with voltage in the genesis of early afterdepolarizations in cardiac myocyte models
Early afterdepolarizations (EADs) are abnormal depolarizations during the plateau phase of
the action potential, which are known to be associated with lethal arrhythmias in the heart …
the action potential, which are known to be associated with lethal arrhythmias in the heart …
Facilitation of IKr current by some hERG channel blockers suppresses early afterdepolarizations
K Furutani, K Tsumoto, IS Chen, K Handa… - Journal of General …, 2019 - rupress.org
Drug-induced block of the cardiac rapid delayed rectifying potassium current (I Kr), carried
by the human ether-a-go-go-related gene (hERG) channel, is the most common cause of …
by the human ether-a-go-go-related gene (hERG) channel, is the most common cause of …