PhysiologybioRxiv
SUMOylation of the Cardiac Sodium Channel NaV1.5 Modifies Inward Current and Cardiac Excitability
J.-Y. Yoon, A. Greiner, J. S. Jacobs…·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.