Ca2+ and Membrane Potential Transitions During Action Potentials are Self-Similar to Each Other and to Variability of AP Firing Intervals Across the Broad Physiologic Range of AP Intervals During Autonomic Receptor Stimulation
D. Yang, C. H. Morrell, A. E. Lyashkov, S. Tagirova, I. Zahanich, Y. Yaniv, T. M. Vinogradova, B. D. Ziman, V. A. Maltsev, E. G. Lakatta
The paper shows that Ca2+ and membrane potential transitions during action potentials in SAN cells are self-similar across species and autonomic stimulation, indicating long-range correlations in their kinetic behavior.
bioRxiv · Sep 1, 2020 · PreprintBiophysics