Determinants of incomplete penetrance and variable expressivity in heritable cardiac arrhythmia syndromes.
Determinants of incomplete penetrance and variable expressivity in heritable cardiac arrhythmia syndromes.
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DOI:
10.1016/j.trsl.2012.08.005
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发表时间:
2013-01
期刊:
影响因子:
--
通讯作者:
Ackerman MJ
中科院分区:
文献类型:
--
作者:
Giudicessi JR;Ackerman MJ
Mutations in genes encoding ion channel pore-forming α-subunits and accessory β-subunits as well as intracellular calcium-handling proteins that collectively maintain the electromechanical function of the human heart serve as the underlying pathogenic substrate for a spectrum of sudden cardiac death (SCD)-predisposing heritable cardiac arrhythmia syndromes, including long QT syndrome (LQTS), short QT syndrome (SQTS), Brugada syndrome (BrS), and catecholaminergic polymorphic ventricular tachycardia (CPVT). Similar to many Mendelian disorders, the cardiac “channelopathies” exhibit incomplete penetrance, variable expressivity, and phenotypic overlap, whereby genotype-positive individuals within the same genetic lineage assume vastly different clinical courses as objectively assessed by phenotypic features such electrocardiographic abnormalities and number/type of cardiac events. In this Review, we summarize the current understanding of the global architecture of complex electrocardiographic traits such as the QT interval, focusing on the role of common genetic variants in the modulation of ECG parameters in health and the environmental and genetic determinants of incomplete penetrance and variable expressivity in the heritable cardiac arrhythmia syndromes most likely to be encountered in clinical practice.
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DOI:
10.1161/circgenetics.111.960930
发表时间:
2012-02-01
期刊:
Circulation. Cardiovascular genetics
影响因子:
--
作者:
Kääb S;Crawford DC;Sinner MF;Behr ER;Kannankeril PJ;Wilde AA;Bezzina CR;Schulze-Bahr E;Guicheney P;Bishopric NH;Myerburg RJ;Schott JJ;Pfeufer A;Beckmann BM;Martens E;Zhang T;Stallmeyer B;Zumhagen S;Denjoy I;Bardai A;Van Gelder IC;Jamshidi Y;Dalageorgou C;Marshall V;Jeffery S;Shakir S;Camm AJ;Steinbeck G;Perz S;Lichtner P;Meitinger T;Peters A;Wichmann HE;Ingram C;Bradford Y;Carter S;Norris K;Ritchie MD;George AL Jr;Roden DM
通讯作者:
Roden DM
影响因子:
37.8
作者:
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通讯作者:
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影响因子:
15.9
作者:
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影响因子:
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通讯作者:
Kobilka, BK
DOI:
10.1111/j.1540-8167.2006.00455.x
发表时间:
2006-06-01
影响因子:
2.7
作者:
Gehi, Anil K.;Duong, Truong D.;Mehta, Davendra
通讯作者:
Mehta, Davendra