rs2074238

This is a regulatory region variant variant in the KCNQ1 gene.

GWAS Catalog Trait Associations (4)

Genome-wide significant associations (p < 5×10⁻⁸) from the NHGRI-EBI GWAS Catalog.

JT interval

Allele T
OR 0.27
p
N 252,730
Large GWAS
European, African unspecified, Hispanic or Latin American, South East Asian, South Asian

QT interval

Allele T
OR 0.26
p
N 252,730
Large GWAS
European, African unspecified, Hispanic or Latin American, South East Asian, South Asian
Bihlmeyer NA et al. ExomeChip-Wide Analysis of 95 626 Individuals Identifies 10 Novel Loci Associated With QT and JT Intervals. Circulation. Genomic and Precision Medicine 11(1):e001758 (2018)
Allele T
OR 3.58
p 8.0e-130
N 95,626
Large GWAS
multi-ancestry
Allele T
OR 4.89
p 2.0e-28
N 71,061
Large GWAS
European
van Duijvenboden S et al. Genetic Basis and Prognostic Value of Exercise QT Dynamics. Circulation. Genomic and Precision Medicine 13(4):e002774 (2020)
Allele T
OR 0.07
p 6.0e-13
N 52,861
Large GWAS
European
van Setten J et al. Genome-wide association meta-analysis of 30,000 samples identifies seven novel loci for quantitative ECG traits. European Journal of Human Genetics : Ejhg 27(6):952-962 (2019)
Allele T
OR 5.41
p 7.0e-28
N 26,794
Meta-analysisLarge GWAS
multi-ancestry
Allele T
OR 0.17
p 8.0e-63
N 24,495
Large GWAS
European
Newton-Cheh C et al. Common variants at ten loci influence QT interval duration in the QTGEN Study. Nature Genetics 41(4):399-406 (2009)
Allele T
OR 7.88
p 3.0e-17
N 13,685
Large GWAS
European

electrocardiography

Verweij N et al. The Genetic Makeup of the Electrocardiogram. Cell Systems 11(3):229-238.e5 (2020)
Allele T
OR 0.16
p 2.0e-62
N 63,706
Major Consortium StudyLarge GWAS
European, NR

T wave morphology measurement

Ramírez J et al. Cardiovascular Predictive Value and Genetic Basis of Ventricular Repolarization Dynamics. Circulation. Arrhythmia and Electrophysiology 12(10):e007549 (2019)
Allele T
OR 0.12
p 7.0e-34
N 51,574
Large GWAS
European

About KCNQ1

This gene encodes a voltage-gated potassium channel required for repolarization phase of the cardiac action potential. This protein can form heteromultimers with two other potassium channel proteins, KCNE1 and KCNE3. Mutations in this gene are associated with hereditary long QT syndrome 1 (also known as Romano-Ward syndrome), Jervell and Lange-Nielsen syndrome, and familial atrial fibrillation. This gene exhibits tissue-specific imprinting, with preferential expression from the maternal allele in some tissues, and biallelic expression in others. This gene is located in a region of chromosome 11 amongst other imprinted genes that are associated with Beckwith-Wiedemann syndrome (BWS), and itself has been shown to be disrupted by chromosomal rearrangements in patients with BWS. Alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Aug 2011]

View all KCNQ1 variants →

Gene information from NCBI Gene. Variant classifications from ClinVar.

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