Article
Protective effect of KCNH2 single nucleotide polymorphism K897T in LQTS families and identification of novel KCNQ1 and KCNH2 mutations.
BMC medical genetics - 23 Sept 2008
Zhang Xianqin, Chen Shenghan, Zhang Li, Liu Mugen, Redfearn Sharon, Bryant Randall M, Oberti Carlos, Vincent G Michael, Wang Qing K
Abstract excerpt
BACKGROUND: KCNQ1 and KCNH2 are the two most common potassium channel genes causing long QT syndrome (LQTS), an inherited cardiac arrhythmia featured by QT prolongation and increased risks of developing torsade de pointes and sudden death. To investigate the disease expressivity, this study aimed to identify mutations and common variants that can modify LQTS phenotype. METHODS: In this study, a cohort of 112 LQTS...
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