Varaico: Literature-Extracted Genetic Variants

Gene:KCNQ1
Variant:p.P448R
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KCNQ1

NM_000218.3:p.P448R

Associated Papers

Genetic Variants in Potassium Channel Genes and Their Clinical Implications in Kazakhstani Patients with Cardiac Arrhythmias.

Chamoieva A et al.

Journal of Personalized Medicine, 2026

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

39969993 (PubMed )
Supplement: pnas.2412971122.sd02.xlsx › Sheet1

A method of identifying the high-risk mutations of sudden cardiac death at KCNQ1 and KCNH2 genes.

Wang J et al.

Journal of Forensic and Legal Medicine, 2024

Waardenburg syndrome type 2 with a de novo variant of the SOX10 gene: a case report.

Li Y et al.

Bmc Medical Genomics, 2024

38659011 (PubMed )
Supplement: 12920_2024_1877_MOESM2_ESM.xlsx › H12056928648

Screening for Rare Coding Variants That Associate With the QTc Interval in Iceland.

Sveinbjornsson G et al.

Journal of the American Heart Association, 2023

37449562 (PubMed )
Supplement: JAH3-12-e029845-s001.pdf

Somatic Mutation of PRKAR1A in Four Cases of Sporadic Cardiac Myxoma.

Sun Y et al.

Archives of Iranian Medicine, 2023

38310436 (PubMed )
Supplement: aim-26-346-s001.pdf

Patients with coronary heart disease, dilated cardiomyopathy and idiopathic ventricular tachycardia share overlapping patterns of pathogenic variation in cardiac risk genes.

Guelly C et al.

Peerj, 2021

33552729 (PubMed )
Supplement: peerj-09-10711-s004.xlsx › found_rows_58_in_KCG

Identification of New Tumor-Related Gene Mutations in Chinese Gastrointestinal Stromal Tumors.

Feng Y et al.

Frontiers in Cell and Developmental Biology, 2021

34805171 (PubMed )
Supplement: Table6.XLS › 49_sample_result

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

Reappraisal of variants previously linked with sudden infant death syndrome: results from three population-based cohorts.

Paludan-Müller C et al.

European Journal of Human Genetics : Ejhg, 2019

Reproducibility and diagnostic usefulness of repeated sodium channel blocker test at higher precordial electrocardiogram recording in a patient with Brugada syndrome.

Nakagawa E et al.

Heartrhythm Case Reports, 2019

The Crossroad of Ion Channels and Calmodulin in Disease.

Urrutia J et al.

International Journal of Molecular Sciences, 2019

Using the genome aggregation database, computational pathogenicity prediction tools, and patch clamp heterologous expression studies to demote previously published long QT syndrome type 1 mutations from pathogenic to benign.

Clemens DJ et al.

Heart Rhythm, 2018

Classification and Reporting of Potentially Proarrhythmic Common Genetic Variation in Long QT Syndrome Genetic Testing.

Giudicessi JR et al.

Circulation, 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

Findings of a 1303 Korean whole-exome sequencing study.

Kwak SH et al.

Experimental & Molecular Medicine, 2017

28706299 (PubMed )
Supplement: emm2017142x4.xls › Table_S1

A novel KCNQ1 nonsense variant in the isoform-specific first exon causes both jervell and Lange-Nielsen syndrome 1 and long QT syndrome 1: a case report.

Nishimura M et al.

Bmc Medical Genetics, 2017

Considerations when using next-generation sequencing for genetic diagnosis of long-QT syndrome in the clinical testing laboratory.

Chae H et al.

Clinica Chimica Acta; International Journal of Clinical Chemistry, 2017

Different Phenotypes of the Two Chinese Probands with the Same c.889G>A (p.C162Y) Mutation in COCH Gene Verify Different Mechanisms Underlying Autosomal Dominant Nonsyndromic Deafness 9.

Wang Q et al.

Plos One, 2017

28099493 (PubMed )
Supplement: pone.0170011.s002.pdf

Post-mortem whole-exome sequencing (WES) with a focus on cardiac disease-associated genes in five young sudden unexplained death (SUD) cases.

Neubauer J et al.

International Journal of Legal Medicine, 2016

KCNQ1 mutations associated with Jervell and Lange-Nielsen syndrome and autosomal recessive Romano-Ward syndrome in India-expanding the spectrum of long QT syndrome type 1.

Vyas B et al.

American Journal of Medical Genetics. Part A, 2016

Common Genotypes of Long QT Syndrome in China and the Role of ECG Prediction.

Gao Y et al.

Cardiology, 2016

Natural and Undetermined Sudden Death: Value of Post-Mortem Genetic Investigation.

Sanchez O et al.

Plos One, 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

Coxsackievirus B3 modulates cardiac ion channels.

Steinke K et al.

Faseb Journal : Official Publication of the Federation of American Societies for Experimental Biology, 2013

Postmortem molecular analysis of KCNQ1, KCNH2, KCNE1 and KCNE2 genes in sudden unexplained nocturnal death syndrome in the Chinese Han population.

Liu C et al.

Forensic Science International, 2013

Founder mutations characterise the mutation panorama in 200 Swedish index cases referred for Long QT syndrome genetic testing.

Stattin EL et al.

Bmc Cardiovascular Disorders, 2012

[KCNQ1, KCNH2, KCNE1 and KCNE2 potassium channels gene variants in sudden manhood death syndrome].

Zhao QH et al.

Fa Yi Xue Za Zhi, 2012

Several polymorphisms of KCNQ1 gene are associated with plasma lipid levels in general Chinese populations.

Chen XD et al.

Plos One, 2012

Cardiac ion channelopathies and the sudden infant death syndrome.

Wilders R

Isrn Cardiology, 2012

QT Prolongation and Life Threatening Ventricular Tachycardia in a Patient Injected With Intravenous Meperidine (Demerol®).

Song MK et al.

Korean Circulation Journal, 2011

Development of a high resolution melting method for the detection of genetic variations in Long QT Syndrome.

Millat G et al.

Clinica Chimica Acta; International Journal of Clinical Chemistry, 2011

LQTS gene LOVD database.

Zhang T et al.

Human Mutation, 2010

A genome-wide association study identifies susceptibility variants for type 2 diabetes in Han Chinese.

Tsai FJ et al.

Plos Genetics, 2010

Targeting device therapy: genomics of sudden death.

Frangiskakis JM et al.

Heart Failure Clinics, 2010

Comprehensive mutation scanning of KCNQ1 in 111 Han Chinese patients with lone atrial fibrillation.

Chen LY et al.

Heart Asia, 2010

Long QT syndrome and associated gene mutation carriers in Japanese children: results from ECG screening examinations.

Hayashi K et al.

Clinical Science (london, England : 1979), 2009

Spectrum and prevalence of mutations from the first 2,500 consecutive unrelated patients referred for the FAMILION long QT syndrome genetic test.

Kapplinger JD et al.

Heart Rhythm, 2009

Variants in KCNQ1 are associated with susceptibility to type 2 diabetes mellitus.

Yasuda K et al.

Nature Genetics, 2008

Pharmacogenetics of drug-induced arrhythmias.

Abbott GW et al.

Expert Review of Clinical Pharmacology, 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

Mutation screening in KCNQ1, HERG, KCNE1, KCNE2 and SCN5A genes in a long QT syndrome family.

Koo SH et al.

Annals of the Academy of Medicine, Singapore, 2007

Prevalence of long-QT syndrome gene variants in sudden infant death syndrome.

Arnestad M et al.

Circulation, 2007

The single nucleotide polymorphisms of I(Ks) potassium channel genes and their association with atrial fibrillation in a Chinese population.

Zeng Z et al.

Cardiology, 2007

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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."