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The Affiliated Hospital of Southwest Medical University

1 ARTICLES PUBLISHED IN JoVE

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Biology

Dual-Dye Optical Mapping of Hearts from RyR2R2474S Knock-In Mice of Catecholaminergic Polymorphic Ventricular Tachycardia
Yangpeng Li *1,2, Jun Yang *1, Rui Zhang 1, Tangting Chen 1, Shiyu Zhang 1, Yuqing Zheng 1, Qiang Wen 3, Tao Li 1, Xiaoqiu Tan 1,2, Ming Lei 1,4, Xianhong Ou 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

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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