Varaico: Literature-Extracted Genetic Variants

Gene:KCNH2
Variant:p.V822M
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KCNH2

NM_000238.4:p.V822M

Associated Papers

Molecular Determinants of Voltage-Dependent Gating in Kv11.1 Channels.

Hunter DV et al.

Advances in Experimental Medicine and Biology, 2026

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

Egly CL et al.

Jci Insight, 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

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

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

Continuous Bayesian variant interpretation accounts for incomplete penetrance among Mendelian cardiac channelopathies.

O'Neill MJ et al.

Genetics in Medicine : Official Journal of the American College of Medical Genetics, 2023

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

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

Kozek K et al.

Circulation. Genomic and Precision Medicine, 2021

Generation and characterization of an induced pluripotent stem cell (iPSC) line (NUIGi003-A) from a long QT syndrome type 2 (LQT2) patient harbouring the KCNH2 c.2464G>A pathogenic variant.

Ge N et al.

Stem Cell 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

Rescue of protein expression defects may not be enough to abolish the pro-arrhythmic phenotype of long QT type 2 mutations.

Perry MD et al.

The Journal of Physiology, 2016

The enigmatic cytoplasmic regions of KCNH channels.

Morais-Cabral JH et al.

Journal of Molecular Biology, 2015

The human ether-a-go-go-related gene activator NS1643 enhances epilepsy-associated KCNQ channels.

Li P et al.

The Journal of Pharmacology and Experimental Therapeutics, 2014

Translational toxicology and rescue strategies of the hERG channel dysfunction: biochemical and molecular mechanistic aspects.

Zhang KP et al.

Acta Pharmacologica Sinica, 2014

Hsp90 prevents interaction between CHIP and HERG proteins to facilitate maturation of wild-type and mutant HERG proteins.

Iwai C et al.

Cardiovascular Research, 2013

Current pharmacogenomic studies on hERG potassium channels.

He FZ et al.

Trends in Molecular Medicine, 2013

Partially dominant mutant channel defect corresponding with intermediate LQT2 phenotype.

Krishnan Y et al.

Pacing and Clinical Electrophysiology : Pace, 2012

Reciprocal control of hERG stability by Hsp70 and Hsc70 with implication for restoration of LQT2 mutant stability.

Li P et al.

Circulation Research, 2011

Rescue of mutated cardiac ion channels in inherited arrhythmia syndromes.

Balijepalli SY et al.

Journal of Cardiovascular Pharmacology, 2010

Emerging concepts in the pharmacogenomics of arrhythmias: ion channel trafficking.

Harkcom WT et al.

Expert Review of Cardiovascular Therapy, 2010

HERG1 channelopathies.

Sanguinetti MC

Pflugers Archiv : European Journal of Physiology, 2010

Pharmacogenetics of drug-induced arrhythmias.

Abbott GW et al.

Expert Review of Clinical Pharmacology, 2008

Pharmacogenetics and cardiac ion channels.

Roepke TK et al.

Vascular Pharmacology, 2006

Identification of the cyclic-nucleotide-binding domain as a conserved determinant of ion-channel cell-surface localization.

Akhavan A et al.

Journal of Cell Science, 2005

Intragenic suppression of trafficking-defective KCNH2 channels associated with long QT syndrome.

Delisle BP et al.

Molecular Pharmacology, 2005

Compendium of cardiac channel mutations in 541 consecutive unrelated patients referred for long QT syndrome genetic testing.

Tester DJ et al.

Heart Rhythm, 2005

New KCNQ1 mutations leading to haploinsufficiency in a general population; Defective trafficking of a KvLQT1 mutant.

Gouas L et al.

Cardiovascular Research, 2004

Biology of cardiac arrhythmias: ion channel protein trafficking.

Delisle BP et al.

Circulation Research, 2004

Molecular and functional characterization of common polymorphisms in HERG (KCNH2) potassium channels.

Anson BD et al.

American Journal of Physiology. Heart and Circulatory Physiology, 2004

Identification of a common genetic substrate underlying postpartum cardiac events in congenital long QT syndrome.

Khositseth A et al.

Heart Rhythm, 2004

Clinical and electrophysiological characterization of a novel mutation R863X in HERG C-terminus associated with long QT syndrome.

Teng S et al.

Journal of Molecular Medicine (berlin, Germany), 2004

Pharmacogenetic considerations in diseases of cardiac ion channels.

Anantharam A et al.

The Journal of Pharmacology and Experimental Therapeutics, 2003

Is restoration of intracellular trafficking clinically feasible in the long QT syndrome?: The example of HERG mutations.

Kaufman ES et al.

Journal of Cardiovascular Electrophysiology, 2003

A novel mutation (T65P) in the PAS domain of the human potassium channel HERG results in the long QT syndrome by trafficking deficiency.

Paulussen A et al.

The Journal of Biological Chemistry, 2002

Interaction with GM130 during HERG ion channel trafficking. Disruption by type 2 congenital long QT syndrome mutations. Human Ether-à-go-go-Related Gene.

Roti EC et al.

The Journal of Biological Chemistry, 2002

Defective human Ether-à-go-go-related gene trafficking linked to an endoplasmic reticulum retention signal in the C terminus.

Kupershmidt S et al.

The Journal of Biological Chemistry, 2002

Pharmacological rescue of human K(+) channel long-QT2 mutations: human ether-a-go-go-related gene rescue without block.

Rajamani S et al.

Circulation, 2002

Increased risk of arrhythmic events in long-QT syndrome with mutations in the pore region of the human ether-a-go-go-related gene potassium channel.

Moss AJ et al.

Circulation, 2002

Variable expression of long QT syndrome among gene carriers from families with five different HERG mutations.

Benhorin J et al.

Annals of Noninvasive Electrocardiology : the Official Journal of the International Society for Holter and Noninvasive Electrocardiology, Inc, 2002

Functional characterization of the C-terminus of the human ether-à-go-go-related gene K(+) channel (HERG).

Aydar E et al.

The Journal of Physiology, 2001

Analysis of the cyclic nucleotide binding domain of the HERG potassium channel and interactions with KCNE2.

Cui J et al.

The Journal of Biological Chemistry, 2001

Long QT syndrome: cellular basis and arrhythmia mechanism in LQT2.

January CT et al.

Journal of Cardiovascular Electrophysiology, 2000

Characterization of S818L mutation in HERG C-terminus in LQT2. Modification of activation-deactivation gating properties.

Nakajima T et al.

Febs Letters, 2000

Spectrum of mutations in long-QT syndrome genes. KVLQT1, HERG, SCN5A, KCNE1, and KCNE2.

Splawski I et al.

Circulation, 2000

Hypokalemia-induced long QT syndrome with an underlying novel missense mutation in S4-S5 linker of KCNQ1.

Kubota T et al.

Journal of Cardiovascular Electrophysiology, 2000

A plethora of mechanisms in the HERG-related long QT syndrome. Genetics meets electrophysiology.

Roden DM et al.

Cardiovascular Research, 1999

Characterization of a novel missense mutation in the pore of HERG in a patient with long QT syndrome.

Yoshida H et al.

Journal of Cardiovascular Electrophysiology, 1999

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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."