Caveolar Compartmentalization is Required for Stable Rhythmicity of Sinus Nodal Cells and is Disrupted in Heart Failure.
Di LangHaibo NiRoman Y MedvedevFang LiuClaudia P Alvarez-BaronLeonid TyanDaniel G P TurnerAleah WardenStefano MorottiThomas A SchrauthChristian RickertCatherine ProenzaBaron ChandaTimothy J KampGail A RobertsonEleonora GrandiAlexey V GlukhovPublished in: bioRxiv : the preprint server for biology (2024)
SAN pacemaking is driven by complex protein interactions within a nanoscale caveolar pacemaker signalosome. Disruption of caveolae leads to SND, potentially representing a new dimension of SAN remodeling and providing a newly recognized target for therapy.