Key result
Simulations predict cardiac conduction velocity depends biphasically on cell size, driven by gap junction coupling.
Why the study?
Age-dependent cellular properties govern ephaptic coupling, but how these key properties determine developmental regulation of cardiac conduction required investigation.
Population
In silico models of cardiac ventricular tissue
Comparison
Key age-dependent properties across developmental stages
Design
In silico simulation study
Authors
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Requires experimental validation before clinical use; leaves open ephaptic roles in developmental conduction models.
Computational simulations demonstrate that developmental changes in cell size, gap junctions, and sodium channel properties predict associated changes in cardiac conduction velocity.
Nowak et al. (2021) studied Cardiac conduction development (in silico). Computational simulation of cardiac conduction was evaluated on Conduction velocity. Simulations predict that cardiac conduction velocity biphasically depends on cell size based on gap junction coupling, with ephaptic effects being greatest in larger cells with low coupling.
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