Varaico: Literature-Extracted Genetic Variants

Gene:KCNQ1
Variant:p.G269S
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KCNQ1

NM_000218.3:p.G269S

Associated Papers

Prevalence, spectrum, and outcomes in patients with nonpenetrant long QT syndrome.

Rudquist EV et al.

Heart Rhythm, 2026

Mapping the Functional Landscape of KCNQ1 to Define Ion Channel Mechanisms and Arrhythmia Risk.

Harvey ML et al.

Medrxiv : the Preprint Server for Health Sciences, 2025

41445606 (PubMed )
Supplement: media-2.xlsx › File_S2

Prevalence of Pathogenic and Likely Pathogenic Variants Associated with Cardiovascular Diseases in Russian Adults and Long-Living Individuals.

Dzhumaniiazova I et al.

Genes, 2025

41153446 (PubMed )
Supplement: genes-16-01228-s001.zip › genes-3881151-supplementary_tables.xlsx › S1

Predicting the Damaging Potential of Uncharacterized KCNQ1 and KCNE1 Variants.

Tarnovskaya SI et al.

International Journal of Molecular Sciences, 2025

40724807 (PubMed )
Supplement: ijms-26-06561-s001.zip › ijms-3705358_SupplementaryTable2.xls › SupplementaryTable2

Rescue of loss-of-function long QT syndrome-associated mutations in KV7.1/KCNE1 by the endocannabinoid N-arachidonoyl-L-serine (ARA-S).

Hiniesto-Iñigo I et al.

British Journal of Pharmacology, 2025

Integrative analysis of KCNQ1 variants reveals molecular mechanisms of type 1 long QT syndrome pathogenesis.

Brewer KR et al.

Proceedings of the National Academy of Sciences of the United States of America, 2025

39969993 (PubMed )
Supplement: pnas.2412971122.sapp.pdf

PathVar: A Customisable NGS Variant Calling Algorithm Implicates Novel Candidate Genes and Pathways in Hemiplegic Migraine.

Alfayyadh MM et al.

Clinical Genetics, 2025

Computational analysis of congenital heart disease associated SNPs: unveiling their impact on the gene regulatory system.

Vashisht S et al.

Bmc Genomics, 2025

39838281 (PubMed )
Supplement: 12864_2025_11232_MOESM4_ESM.xlsx › ClinVar_CHD-SNPs_uniq

Molecular genetics in 1991 arrhythmia probands and 2782 relatives in Norway: Results from 17 years of genetic testing in a national laboratory.

Stava TT et al.

Clinical Genetics, 2024

Estimating the probability of early afterdepolarizations and predicting arrhythmic risk associated with long QT syndrome type 1 mutations.

Jin Q et al.

Biophysical Journal, 2023

Sex Differences and Utility of Treadmill Testing in Long-QT Syndrome.

Yee LA et al.

Journal of the American Heart Association, 2022

36102233 (PubMed )
Supplement: JAH3-11-e025108-s001.pdf

Whole-genome sequencing of 1,171 elderly admixed individuals from São Paulo, Brazil.

Naslavsky MS et al.

Nature Communications, 2022

35246524 (PubMed )
Supplement: 41467_2022_28648_MOESM9_ESM.xlsx › SuppData6

Deciphering Common Long QT Syndrome Using CRISPR/Cas9 in Human-Induced Pluripotent Stem Cell-Derived Cardiomyocytes.

Song Y et al.

Frontiers in Cardiovascular Medicine, 2022

Assessment of absolute risk of life-threatening cardiac events in long QT syndrome patients.

Wang M et al.

Frontiers in Cardiovascular Medicine, 2022

36277779 (PubMed )
Supplement: Data_Sheet_1.pdf

Patient-specific induced pluripotent stem cells as "disease-in-a-dish" models for inherited cardiomyopathies and channelopathies - 15 years of research.

Micheu MM et al.

World Journal of Stem Cells, 2021

Enhancing rare variant interpretation in inherited arrhythmias through quantitative analysis of consortium disease cohorts and population controls.

Walsh R et al.

Genetics in Medicine : Official Journal of the American College of Medical Genetics, 2021

32893267 (PubMed )
Supplement: 41436_2020_946_MOESM2_ESM.xlsx › S10

Exome sequencing and characterization of 49,960 individuals in the UK Biobank.

Van Hout CV et al.

Nature, 2020

33087929 (PubMed )
Supplement: 41586_2020_2853_MOESM11_ESM.xlsx › Sheet1

Systematic Evaluation of KCNQ1 Variant Using ACMG/AMP Guidelines and Risk Stratification in Long QT Syndrome Type 1.

Kashiwa A et al.

Circulation. Genomic and Precision Medicine, 2020

The Emergence of Human Induced Pluripotent Stem Cell-Derived Cardiomyocytes (hiPSC-CMs) as a Platform to Model Arrhythmogenic Diseases.

Pourrier M et al.

International Journal of Molecular Sciences, 2020

Compound and heterozygous mutations of KCNQ1 in long QT syndrome with familial history of unexplained sudden death: Identified by analysis of whole exome sequencing and predisposing genes.

Lin Y et al.

Annals of Noninvasive Electrocardiology : the Official Journal of the International Society for Holter and Noninvasive Electrocardiology, Inc, 2020

Structures Illuminate Cardiac Ion Channel Functions in Health and in Long QT Syndrome.

Brewer KR et al.

Frontiers in Pharmacology, 2020

Clinical Trial in a Dish: Personalized Stem Cell-Derived Cardiomyocyte Assay Compared With Clinical Trial Results for Two QT-Prolonging Drugs.

Blinova K et al.

Clinical and Translational Science, 2019

The utility of the Mayo Score for predicting the yield of genetic testing in patients with hypertrophic cardiomyopathy.

Bonaventura J et al.

Archives of Medical Science : Ams, 2019

31110529 (PubMed )
Supplement: AMS-15-33903-S1.pdf

Association of Genetic and Clinical Aspects of Congenital Long QT Syndrome With Life-Threatening Arrhythmias in Japanese Patients.

Shimizu W et al.

Jama Cardiology, 2019

A challenge for mutation specific risk stratification in long QT syndrome type 1.

Yagi N et al.

Journal of Cardiology, 2018

Acquired Long-QT Syndrome: Mild but Abnormal?

Kashiwa A et al.

Internal Medicine (tokyo, Japan), 2018

A hERG mutation E1039X produced a synergistic lesion on IKs together with KCNQ1-R174C mutation in a LQTS family with three compound mutations.

Wu J et al.

Scientific Reports, 2018

Effects of protein-protein interactions and ligand binding on the ion permeation in KCNQ1 potassium channel.

Jalily Hasani H et al.

Plos One, 2018

29444113 (PubMed )
Supplement: pone.0191905.s001.pdf

The Role of KCNQ1 Mutations and Maternal Beta Blocker Use During Pregnancy in the Growth of Children With Long QT Syndrome.

Huttunen H et al.

Frontiers in Endocrinology, 2018

Sudden infant death syndrome due to long QT syndrome: a brief review of the genetic substrate and prevalence.

Ioakeimidis NS et al.

Journal of Biological Research (thessalonike, Greece), 2017

Massively Parallel Sequencing of Genes Implicated in Heritable Cardiac Disorders: A Strategy for a Small Diagnostic Laboratory.

Leong IUS et al.

Medical Sciences (basel, Switzerland), 2017

29099038 (PubMed )
Supplement: medsci-05-00022-s001.zip › Supplementary_data_1.pdf

Human heart disease: lessons from human pluripotent stem cell-derived cardiomyocytes.

Giacomelli E et al.

Cellular and Molecular Life Sciences : Cmls, 2017

Contribution of a KCNH2 variant in genotyped long QT syndrome: Romano-Ward syndrome under double mutations and acquired long QT syndrome under heterozygote.

Fujii Y et al.

Journal of Cardiology, 2017

Clinical and genetic features of Australian families with long QT syndrome: A registry-based study.

Burns C et al.

Journal of Arrhythmia, 2016

27920829 (PubMed )
Supplement: mmc2.docx

Molecular pathogenesis of long QT syndrome type 1.

Wu J et al.

Journal of Arrhythmia, 2016

Implantable cardioverter-defibrillator explantation for overdiagnosed or overtreated congenital long QT syndrome.

Gaba P et al.

Heart Rhythm, 2016

Stop-codon and C-terminal nonsense mutations are associated with a lower risk of cardiac events in patients with long QT syndrome type 1.

Ruwald MH et al.

Heart Rhythm, 2016

QT Adaptation and Intrinsic QT Variability in Congenital Long QT Syndrome.

Seethala S et al.

Journal of the American Heart Association, 2015

Follow-up of 316 molecularly defined pediatric long-QT syndrome patients: clinical course, treatments, and side effects.

Koponen M et al.

Circulation. Arrhythmia and Electrophysiology, 2015

26063740 (PubMed )
Supplement: 002654_supplemental_material.pdf

Finding the rhythm of sudden cardiac death: new opportunities using induced pluripotent stem cell-derived cardiomyocytes.

Sallam K et al.

Circulation Research, 2015

Assessment of the predictive accuracy of five in silico prediction tools, alone or in combination, and two metaservers to classify long QT syndrome gene mutations.

Leong IU et al.

Bmc Medical Genetics, 2015

25967940 (PubMed )
Supplement: 12881_2015_176_MOESM1_ESM.xlsx › EVERYTHING

Bayesian models for syndrome- and gene-specific probabilities of novel variant pathogenicity.

Ruklisa D et al.

Genome Medicine, 2015

25649125 (PubMed )
Supplement: 13073_2014_120_MOESM1_ESM.pdf

A Common Mutation of Long QT Syndrome Type 1 in Japan.

Itoh H et al.

Circulation Journal : Official Journal of the Japanese Circulation Society, 2015

Long-QT mutation p.K557E-Kv7.1: dominant-negative suppression of IKs, but preserved cAMP-dependent up-regulation.

Spätjens RL et al.

Cardiovascular Research, 2014

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Regarding the variants extracted from papers and shown text snippets from research papers, the following holds: "Some rights reserved. This work permits non-commercial use, distribution and reproduction in any medium, provided the original author and source are credited."