A knock-in mouse model of N-terminal R420W mutation of cardiac ryanodine receptor exhibits arrhythmogenesis with abnormal calcium dynamics in cardiomyocytes.

Abstract excerpt

Cardiac ryanodine receptor gene (RyR2) mutations cause fatal arrhythmogenic diseases such as catecholaminergic polymorphic ventricular tachycardia and arrhythmogenic right ventricular cardiomyopathy. The N-terminal region of RyR2 is one of the hot spots for mutations. In this study, we investigated cardiac phenotypes of a knock-in mouse model carrying R420W mutation of RyR2. The N-terminal R420W mutation has...

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