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Dual-Dye Optical Mapping of Hearts from RyR2R2474S Knock-In Mice of Catecholaminergic Polymorphic Ventricular Tachycardia

Article DOI: 10.3791/65082-v • 09:36 min • December 22nd, 2023
December 22nd, 2023 •
*1,2, *1, 1, 1, 1, 1, 3, 1, 1,2, 1,4, 1
1Key Laboratory of Medical Electrophysiology of Ministry of Education, Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease, Institute of Cardiovascular Research, Southwest Medical University, 2Department of Cardiology, the Affiliated Hospital of Southwest Medical University, 3Department of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 4Department of Pharmacology, University of Oxford
* These authors contributed equally

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Summary
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This protocol introduces dual-dye optical mapping of mouse hearts obtained from wild-type and knock-in animals affected by catecholaminergic polymorphic ventricular tachycardia, including electrophysiological measurements of transmembrane voltage and intracellular Ca2+ transients with high temporal and spatial resolution.

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