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A Common Single Nucleotide Polymorphism Can Exacerbate Long-QT Type 2 Syndrome Leading to Sudden Infant Death
Author(s) -
Eyal Nof,
Jonathan M. Cordeiro,
Guillermo J. Pérez,
Fabiana S. Scornik,
Kirstine Calløe,
Barry A. Love,
Elena Burashnikov,
Gabriel Cáceres,
Moshe Gunsburg,
Charles Antzelevitch
Publication year - 2010
Publication title -
circulation cardiovascular genetics
Language(s) - English
Resource type - Journals
eISSN - 1942-325X
pISSN - 1942-3268
DOI - 10.1161/circgenetics.109.898569
Subject(s) - long qt syndrome , herg , sudden death , asymptomatic , qt interval , nonsense mutation , medicine , genetics , sudden cardiac death , single nucleotide polymorphism , biology , genotype , mutation , missense mutation , gene , potassium channel
Identification of infants at risk for sudden arrhythmic death remains one of the leading challenges of modern medicine. We present a family in which a common polymorphism (single nucleotide polymorphism) inherited from the father, combined with a stop codon mutation inherited from the mother (both asymptomatic), led to 2 cases of sudden infant death.

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