Catecholaminergic polymorphic ventricular tachycardia (CPVT) is a highly lethal form of inherited primary electrical myocardial disease characterized by exercise- and stress-related adrenergic ventricular tachycardia without structural cardiac abnormalities. It manifests as syncope and sudden death and can be caused by mutations in the cardiac ryanodine receptor gene (RYR2) accounting for an autosomal dominant form (CPVT1) or mutations in the cardiac calsequestrin gene CASQ2 accounting for an autosomal recessive form (CPVT2).
Lahat H, Pras E, Olender T, Avidan N, Ben-Asher E, Man O, Levy-Nissenbaum E, Khoury A, Lorber A, Goldman B, Lancet D, Eldar M
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A missense mutation in a highly conserved region of CASQ2 is associated with autosomal recessive catecholamine-induced polymorphic ventricular tachycardia in Bedouin families from Israel.
Nyegaard M, Overgaard MT, Sondergaard MT, Vranas M, Behr ER, Hildebrandt LL, Lund J, Hedley PL, Camm AJ, Wettrell G, Fosdal I, Christiansen M, Borglum AD
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Mutations in calmodulin cause ventricular tachycardia and sudden cardiac death.
Roux-Buisson N, Cacheux M, Fourest-Lieuvin A, Fauconnier J, Brocard J, Denjoy I, Durand P, Guicheney P, Kyndt F, Leenhardt A, Le Marec H, Lucet V, Mabo P, Probst V, Monnier N, Ray PF, Santoni E, Tremeaux P, Lacampagne A, Faure J, Lunardi J, Marty I
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Absence of triadin, a protein of the calcium release complex, is responsible for cardiac arrhythmia with sudden death in human.
