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Nat Genet. 1996 Jan;12(1):17-23.

Positional cloning of a novel potassium channel gene: KVLQT1 mutations cause cardiac arrhythmias.

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1
Howard Hughes Medical Institute, University of Utah, Salt Lake City 84112, USA.

Abstract

Genetic factors contribute to the risk of sudden death from cardiac arrhythmias. Here, positional cloning methods establish KVLQT1 as the chromosome 11-linked LQT1 gene responsible for the most common inherited cardiac arrhythmia. KVLQT1 is strongly expressed in the heart and encodes a protein with structural features of a voltage-gated potassium channel. KVLQT1 mutations are present in affected members of 16 arrhythmia families, including one intragenic deletion and ten different missense mutations. These data define KVLQT1 as a novel cardiac potassium channel gene and show that mutations in this gene cause susceptibility to ventricular tachyarrhythmias and sudden death.

PMID:
8528244
DOI:
10.1038/ng0196-17
[Indexed for MEDLINE]
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