Varaico: Literature-Extracted Genetic Variants

Gene:KCNQ1
Variant:p.R243C
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KCNQ1

NM_000218.3:p.R243C

Associated Papers

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

Cancer-associated loss-of-function mutations in KCNQ1 enhance Wnt/β-catenin signalling disrupting epithelial homeostasis.

Berenguier C et al.

Oncogene, 2025

40410368 (PubMed )
Supplement: 41388_2025_3447_MOESM1_ESM.docx

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

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

The fully activated open state of KCNQ1 controls the cardiac "fight-or-flight" response.

Hou P et al.

Pnas Nexus, 2024

Targeting the IKs Channel PKA Phosphorylation Axis to Restore Its Function in High-Risk LQT1 Variants.

Zhong L et al.

Circulation Research, 2024

The fully activated open state of KCNQ1 controls the cardiac "fight-or-flight" response.

Hou P et al.

Biorxiv : the Preprint Server for Biology, 2024

β-catenin mediates growth defects induced by centrosome loss in a subset of APC mutant colorectal cancer independently of p53.

Bourmoum M et al.

Plos One, 2024

38324534 (PubMed )
Supplement: pone.0295030.s003.xlsx › 3samples.exome.dp5.snvindel

Novel KCNQ1 Q234K variant, identified in patients with long QT syndrome and epileptiform activity, induces both gain- and loss-of-function of slowly activating delayed rectifier potassium currents.

Nakajima T et al.

Frontiers in Physiology, 2024

A multitiered analysis platform for genome sequencing: Design and initial findings of the Australian Genomics Cardiovascular Disorders Flagship.

Austin R et al.

Genetics in Medicine Open, 2024

39669597 (PubMed )
Supplement: mmc2.xlsx › Supp_tab_6

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

Precision medicine for long QT syndrome: patient-specific iPSCs take the lead.

Yu Y et al.

Expert Reviews in Molecular Medicine, 2023

Modulation of the IKS channel by PIP2 requires two binding sites per monomer.

Kongmeneck AD et al.

Bba Advances, 2023

Whole exome sequencing in Brugada and long QT syndromes revealed novel rare and potential pathogenic mutations related to the dysfunction of the cardiac sodium channel.

Chen J et al.

Orphanet Journal of Rare Diseases, 2022

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

shRNAs Targeting a Common KCNQ1 Variant Could Alleviate Long-QT1 Disease Severity by Inhibiting a Mutant Allele.

Cócera-Ortega L et al.

International Journal of Molecular Sciences, 2022

Predicting the functional impact of KCNQ1 variants with artificial neural networks.

Phul S et al.

Plos Computational Biology, 2022

35442947 (PubMed )
Supplement: pcbi.1010038.s010.xlsx › Missense_Mutations

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

Membrane pools of phosphatidylinositol-4-phosphate regulate KCNQ1/KCNE1 membrane expression.

Braun C et al.

Communications Biology, 2021

Mutation location and IKs regulation in the arrhythmic risk of long QT syndrome type 1: the importance of the KCNQ1 S6 region.

Schwartz PJ et al.

European Heart Journal, 2021

Yield and clinical significance of genetic screening in elite and amateur athletes.

Limongelli G et al.

European Journal of Preventive Cardiology, 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

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

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

Probing the Dynamics and Structural Topology of the Reconstituted Human KCNQ1 Voltage Sensor Domain (Q1-VSD) in Lipid Bilayers Using Electron Paramagnetic Resonance Spectroscopy.

Dixit G et al.

Biochemistry, 2019

Mechanistic insight into an exonic splice defect mutation from native induced pluripotent stem cell-derived cardiomyocytes.

Bhuiyan ZA

Heart Rhythm, 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

Long QT molecular autopsy in sudden unexplained death in the young (1-40 years old): Lessons learnt from an eight year experience in New Zealand.

Marcondes L et al.

Plos One, 2018

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

Genetic Testing in the Evaluation of Unexplained Cardiac Arrest: From the CASPER (Cardiac Arrest Survivors With Preserved Ejection Fraction Registry).

Mellor G et al.

Circulation. Cardiovascular Genetics, 2017

Molecular Pathophysiology of Congenital Long QT Syndrome.

Bohnen MS et al.

Physiological Reviews, 2017

Molecular pathogenesis of long QT syndrome type 1.

Wu J et al.

Journal of Arrhythmia, 2016

Voltage-Dependent Gating: Novel Insights from KCNQ1 Channels.

Cui J

Biophysical Journal, 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

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

Must every child with long QT syndrome take a beta blocker?

Waddell-Smith KE et al.

Archives of Disease in Childhood, 2015

Impaired IKs channel activation by Ca(2+)-dependent PKC shows correlation with emotion/arousal-triggered events in LQT1.

O-Uchi J et al.

Journal of Molecular and Cellular Cardiology, 2015

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

Cellular mechanisms of mutations in Kv7.1: auditory functions in Jervell and Lange-Nielsen syndrome vs. Romano-Ward syndrome.

Mousavi Nik A et al.

Frontiers in Cellular Neuroscience, 2015

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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."