Key Points
- To develop a mathematical model of rabbit atrial myocytes that captures ionic currents related to the action potential.
- Developed mathematical model incorporating ionic currents and biophysical data.
- Used whole cell voltage-clamp data to validate the model's accuracy.
- Simulated action potentials and intracellular Ca2+ concentration transients at varying stimulus rates.
- Model accurately predicts ionic currents involved in atrial action potentials.
- Successful simulation of intracellular Ca2+ transients during action potentials.
- Fits to experimental data obtained at 35 degrees C with stimulus rates from 0.2 to 3.0 Hz.
Structured PICO
PPopulationMathematical model of the rabbit atrial myocyte based on whole cell voltage-clamp data from enzymatically isolated rabbit atrial myocytes
IInterventionMathematical modeling of the action potential and underlying membrane currents
OOutcomeSimulation of whole cell voltage-clamp data and fits to rabbit atrial cell action potentials at 35 degrees C over a range of stimulus rates (0.2-3.0 Hz)
The development of a mathematical model of the rabbit atrial myocyte provides a robust computational tool to simulate action potentials and understand the underlying ionic currents and calcium homeostasis.