Article ID Journal Published Year Pages File Type
8475297 Journal of Molecular and Cellular Cardiology 2013 10 Pages PDF
Abstract
► CaV1.2 sparklets are local elevations in intracellular Ca2 + visualized with optics. ► CaV1.2 sparklet activity is heterogeneous in cardiac and smooth muscle cells. ► CaV1.2 sparklets are locally controlled by a signaling hub coordinated by AKAP150. ► Cluster of CaV1.2 channels can open and close in unison (i.e., coupled gating). ► Coupled gating amplifies Ca2 + influx in cardiac and smooth muscle.
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