rs12079745 - ATP1B1
Magnitude 4.5 · 2 studies on file
Reported associations
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Genetic analyses of diverse populations improves discovery for complex traits - Unknown journal (n.d.) · Unknown authors · PubMed 31217584
ABSTRACT: Genome-wide association studies (GWAS) have laid the foundation for investigations into the biology of complex traits, drug development and clinical guidelines. However, the majority of discovery efforts are based on data from populations of European ancestry. In light of the differential genetic architecture that is known to exist between populations, bias in representation can exacerbate existing disease and healthcare disparities. Critical variants may be missed if they have a low frequency or are completely absent in European populations, especially as the field shifts its attention towards rare variants, which are more likely to be population-specific. Additionally, effect sizes and their derived risk prediction scores derived in one population may not accurately extrapolate
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Genetic association study of QT interval highlights role for calcium signaling pathways in myocardial repolarization - Unknown journal (n.d.) · Unknown authors · PubMed 24952745
ABSTRACT: The QT interval, an electrocardiographic measure reflecting myocardial repolarization, is a heritable trait. QT prolongation is a risk factor for ventricular arrhythmias and sudden cardiac death (SCD) and could indicate the presence of the potentially lethal Mendelian Long QT Syndrome (LQTS). Using a genome-wide association and replication study in up to 100,000 individuals we identified 35 common variant QT interval loci, that collectively explain ∼8-10% of QT variation and highlight the importance of calcium regulation in myocardial repolarization. Rare variant analysis of 6 novel QT loci in 298 unrelated LQTS probands identified coding variants not found in controls but of uncertain causality and therefore requiring validation. Several newly identified loci encode for protei
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Lifestyle context
Concrete actions anchored to the cited research. We do not prescribe, we describe.
Discuss with your doctor
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Discuss QT interval genetic risk with cardiologist Moderate
QT interval prolongation increases arrhythmia risk; clinical evaluation identifies need for monitoring or intervention.
Discuss genetic association, review baseline QT interval, discuss QT-prolonging medications.
Screening
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ECG to measure baseline QT interval High
This SNP is strongly associated with QT interval duration in large GWAS cohorts.
Perform 12-lead ECG to measure QT interval; repeat if symptoms develop.