Varaico: Literature-Extracted Genetic Variants

Gene:KCNH2
Variant:p.N633S
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KCNH2

NM_000238.4:p.N633S

Associated Papers

SPARC: a structural pathogenicity algorithm for risk classification of hERG variants.

Chatelain FC et al.

Europace : European Pacing, Arrhythmias, and Cardiac Electrophysiology : Journal of the Working Groups on Cardiac Pacing, Arrhythmias, and Cardiac Cellular Electrophysiology of the European Society of Cardiology, 2026

41443252 (PubMed )
Supplement: euaf327_supplementary_data.zip › Table-S1-V2.xlsx › All_missense_variants

Generation of human induced pluripotent stem cell lines from a fetus with congenital long QT syndrome and her healthy parents.

Putra M et al.

Stem Cell Research, 2025

High-throughput screens identify genotype-specific therapeutics for channelopathies.

Egly CL et al.

Jci Insight, 2025

41026531 (PubMed )
Supplement: jciinsight-10-191697-s189.pdf

The role of iPSC research for insight into inherited arrhythmia conditions.

Josvai MB et al.

Heart Rhythm, 2025

Induced Pluripotent Stem Cells in Congenital Long QT Syndrome: Research Progress and Clinical Applications.

Li Q et al.

Reviews in Cardiovascular Medicine, 2025

Alleviating the Effects of Short QT Syndrome Type 3 by Allele-Specific Suppression of the KCNJ2 Mutant Allele.

Wilders R

International Journal of Molecular Sciences, 2024

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

Multiplexed Assays of Variant Effect and Automated Patch-clamping Improve KCNH2-LQTS Variant Classification and Cardiac Event Risk Stratification.

O'Neill MJ et al.

Medrxiv : the Preprint Server for Health Sciences, 2024

38370760 (PubMed )
Supplement: media-2.xlsx › Table_S5

Clinical interpretation of KCNH2 variants using a robust PS3/BS3 functional patch-clamp assay.

Thomson KL et al.

Hgg Advances, 2024

38219013 (PubMed )
Supplement: mmc2.xlsx › Table_S1_Variant_Controls

Translation reinitiation in c.453delC frameshift mutation of KCNH2 producing functional hERG K+ channels with mild dominant negative effect in the heterozygote patient-derived iPSC cardiomyocytes.

Park NK et al.

Human Molecular Genetics, 2024

Precision therapy in congenital long QT syndrome.

Neves R et al.

Trends in Cardiovascular Medicine, 2024

Successful Management of Fetal Torsades de Pointes and Long QT Syndrome by a Cardio-Obstetrical Team.

Putra M et al.

Jacc. Case Reports, 2023

Differential Effects of Remdesivir and Lumacaftor on Homomeric and Heteromeric hERG Channels.

Campagna N et al.

Molecular Pharmacology, 2023

Identification of a novel pathogenic variant in KCNH2 in an Iranian family with long QT syndrome 2 by whole-exome sequencing.

Fazelifar AF et al.

Journal of Arrhythmia, 2023

The Advantages, Challenges, and Future of Human-Induced Pluripotent Stem Cell Lines in Type 2 Long QT Syndrome.

Cai D et al.

Journal of Cardiovascular Translational Research, 2023

A need for exhaustive and standardized characterization of ion channels activity. The case of KV11.1.

Alameh M et al.

Frontiers in Physiology, 2023

36860515 (PubMed )
Supplement: Table2.xlsx › missense_variants

Development of automated patch clamp assays to overcome the burden of variants of uncertain significance in inheritable arrhythmia syndromes.

Ma JG et al.

Frontiers in Physiology, 2023

Suppression and Replacement Gene Therapy for KCNH2-Mediated Arrhythmias.

Bains S et al.

Circulation. Genomic and Precision Medicine, 2022

STRAIGHT-IN enables high-throughput targeting of large DNA payloads in human pluripotent stem cells.

Blanch-Asensio A et al.

Cell Reports Methods, 2022

36313798 (PubMed )
Supplement: mmc1.pdf

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

A High-Throughput Screening Assay to Identify Drugs that Can Treat Long QT Syndrome Caused by Trafficking-Deficient KV11.1 (hERG) Variants.

Egly CL et al.

Molecular Pharmacology, 2022

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

Evolutionary coupling analysis guides identification of mistrafficking-sensitive variants in cardiac K+ channels: Validation with hERG.

Zhang Y et al.

Frontiers in Pharmacology, 2022

Genetic Variants Associated With Unexplained Sudden Cardiac Death in Adult White and African American Individuals.

Guo L et al.

Jama Cardiology, 2021

Estimating the Posttest Probability of Long QT Syndrome Diagnosis for Rare KCNH2 Variants.

Kozek K et al.

Circulation. Genomic and Precision Medicine, 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

Left Cardiac Sympathetic Denervation Monotherapy in Patients With Congenital Long QT Syndrome.

Niaz T et al.

Circulation. Arrhythmia and Electrophysiology, 2020

Promise and Potential Peril With Lumacaftor for the Trafficking Defective Type 2 Long-QT Syndrome-Causative Variants, p.G604S, p.N633S, and p.R685P, Using Patient-Specific Re-Engineered Cardiomyocytes.

O'Hare BJ et al.

Circulation. Genomic and Precision Medicine, 2020

Pharmacological activation of IKr in models of long QT Type 2 risks overcorrection of repolarization.

Perry MD et al.

Cardiovascular Research, 2020

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

Brewer KR et al.

Frontiers in Pharmacology, 2020

32431610 (PubMed )
Supplement: Table_1.xlsx › mutation_list

Identification of a proton sensor that regulates conductance and open time of single hERG channels.

Wilson SL et al.

Scientific Reports, 2019

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

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

Large-scale mutational analysis of Kv11.1 reveals molecular insights into type 2 long QT syndrome.

Anderson CL et al.

Nature Communications, 2014

Mutations in Danish patients with long QT syndrome and the identification of a large founder family with p.F29L in KCNH2.

Christiansen M et al.

Bmc Medical Genetics, 2014

Results of genetic testing in 855 consecutive unrelated patients referred for long QT syndrome in a clinical laboratory.

Lieve KV et al.

Genetic Testing and Molecular Biomarkers, 2013

23631430 (PubMed )
Supplement: sj-doc-1-gtm-10.1089_gtmb.2012.0118.doc

Vagal reflexes following an exercise stress test: a simple clinical tool for gene-specific risk stratification in the long QT syndrome.

Crotti L et al.

Journal of the American College of Cardiology, 2012

Clinical characteristics and genetic background of congenital long-QT syndrome diagnosed in fetal, neonatal, and infantile life: a nationwide questionnaire survey in Japan.

Horigome H et al.

Circulation. Arrhythmia and Electrophysiology, 2010

Identification of a possible pathogenic link between congenital long QT syndrome and epilepsy.

Johnson JN et al.

Neurology, 2009

Mutation site dependent variability of cardiac events in Japanese LQT2 form of congenital long-QT syndrome.

Nagaoka I et al.

Circulation Journal : Official Journal of the Japanese Circulation Society, 2008

Molecular genetic analysis of long QT syndrome in Norway indicating a high prevalence of heterozygous mutation carriers.

Berge KE et al.

Scandinavian Journal of Clinical and Laboratory Investigation, 2008

Genotype-specific onset of arrhythmias in congenital long-QT syndrome: possible therapy implications.

Tan HL et al.

Circulation, 2006

[Electrophysiological characterization of long QT syndrome associated mutations V630A and N633S].

She HR et al.

Zhonghua Xin Xue Guan Bing Za Zhi, 2006

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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."