Key result
CPVT is primarily driven by gain-of-function RyR2 mutations causing spontaneous diastolic calcium release, while rare loss-of-function mutations trigger arrhythmias via early afterdepolarizations.
Design
Review
Authors
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RyR regulation insights may inform arrhythmia mechanisms; leaves open clinical translation pending further validation.
The review elucidates the distinct arrhythmogenic mechanisms of gain-of-function versus loss-of-function RyR2 mutations in catecholaminergic polymorphic ventricular tachycardia.
Zhao et al. (2014) conducted a review in Catecholaminergic polymorphic ventricular tachycardia (CPVT). RyR2 mutations was evaluated. CPVT is primarily driven by gain-of-function RyR2 mutations causing spontaneous diastolic calcium release, while rare loss-of-function mutations trigger arrhythmias via early afterdepolarizations.
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