Beat-locked ATP microdomains in the sinoatrial node map a calcium-timed energetic hierarchy and regional pacemaker roles
Manuel F. Muñoz, Collin Matsumoto, Paula Rhana, Declan Manning, Geoanna M. Bautista, Daniel Mohr Collier, Luis Fernando Santana
The paper tracks beat-resolved ATP dynamics in mouse sinoatrial node myocytes, revealing distinct ATP-gain and -dip modes linked to regional pacemaker roles and energy supply.
The Journal of General Physiology · Mar 31, 2026Peer-reviewedPhysiology