SUMOylation of the Cardiac Sodium Channel NaV1.5 Modifies Inward Current and Cardiac Excitability
J.-Y. Yoon, A. Greiner, J. S. Jacobs, Y.-R. Kim, T. P. Rasmussen, W. Kutschke, D. S. Matasic, A. Vikram, R. R. Gaddam, H. Mehdi, K. Irani, B. London
This study investigates how SUMOylation of NaV1.5 affects cardiac sodium current and electrophysiology, finding it increases peak INa without altering INa,L and may influence arrhythmic risk.
bioRxiv · Dec 26, 2022Physiology