Varaico: Literature-Extracted Genetic Variants

Gene:SCN4A
Variant:p.V1293I
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SCN4A

NM_000334.4:p.V1293I

Associated Papers

Pathogenic variation underlying rare diseases in an Arab population: Implications for screening programs.

Jain R et al.

Genetics in Medicine Open, 2025

40893834 (PubMed )
Supplement: mmc1.xlsx › Supplementary_Table_3

Mapping structural distribution and gating-property impacts of disease-associated mutations in voltage-gated sodium channels.

Akbari Ahangar A et al.

Iscience, 2024

39286500 (PubMed )
Supplement: mmc1.pdf

Diverse biophysical mechanisms in voltage-gated sodium channel Nav1.4 variants associated with myotonia.

Tikhonova TB et al.

Faseb Journal : Official Publication of the Federation of American Societies for Experimental Biology, 2024

Novel compound heterozygous mutations in SCN4A as a potential genetic cause contributing to myopathic manifestations: A case report and literature review.

Han JY et al.

Heliyon, 2024

A c.1775C > T Point Mutation of Sodium Channel Alfa Subunit Gene (SCN4A) in a Three-Generation Sardinian Family with Sodium Channel Myotonia.

Campanale C et al.

Journal of Neuromuscular Diseases, 2024

Prevalence of genetically confirmed skeletal muscle channelopathies in the era of next generation sequencing.

Vivekanandam V et al.

Neuromuscular Disorders : Nmd, 2023

Muscle fat replacement and contractility in patients with skeletal muscle sodium channel disorders.

Pedersen JJ et al.

Scientific Reports, 2023

Gene variant effects across sodium channelopathies predict function and guide precision therapy.

Brunklaus A et al.

Brain : a Journal of Neurology, 2022

35037686 (PubMed )
Supplement: awac006_Supplementary_Data.pdf

The gain of function SCN1A disorder spectrum: novel epilepsy phenotypes and therapeutic implications.

Brunklaus A et al.

Brain : a Journal of Neurology, 2022

35696452 (PubMed )
Supplement: awac210_supplementary_data.zip › brain-2022-00093-File010.pdf

Sequence CLCN1 and SCN4A genes in patients with nondystrophic myotonia in Chinese people.

Meng YX et al.

Medicine, 2022

The Clinical, Myopathological, and Genetic Analysis of 20 Patients With Non-dystrophic Myotonia.

Wang Q et al.

Frontiers in Neurology, 2022

Non-dystrophic myotonias: clinical and mutation spectrum of 70 German patients.

Vereb N et al.

Journal of Neurology, 2021

Targeted Therapies for Skeletal Muscle Ion Channelopathies: Systematic Review and Steps Towards Precision Medicine.

Desaphy JF et al.

Journal of Neuromuscular Diseases, 2021

Clinical and Molecular Spectrum of Myotonia and Periodic Paralyses Associated With Mutations in SCN4A in a Large Cohort of Italian Patients.

Maggi L et al.

Frontiers in Neurology, 2020

Pharmacogenetics of myotonic hNav1.4 sodium channel variants situated near the fast inactivation gate.

Farinato A et al.

Pharmacological Research, 2019

In vivo assessment of muscle membrane properties in the sodium channel myotonias.

Tan SV et al.

Muscle & Nerve, 2018

Skeletal Muscle Channelopathies: Rare Disorders with Common Pediatric Symptoms.

Matthews E et al.

The Journal of Pediatrics, 2017

A Large Dominant Myotonia Congenita Family with a V1293I Mutation in SCN4A.

Chung KW et al.

Journal of Clinical Neurology (seoul, Korea), 2016

Physiological and Pathophysiological Insights of Nav1.4 and Nav1.5 Comparison.

Loussouarn G et al.

Frontiers in Pharmacology, 2015

Focal and abnormally persistent paralysis associated with congenital paramyotonia.

Magot A et al.

Bmj Case Reports, 2014

Paralogue annotation identifies novel pathogenic variants in patients with Brugada syndrome and catecholaminergic polymorphic ventricular tachycardia.

Walsh R et al.

Journal of Medical Genetics, 2014

Characterization of hyperkalemic periodic paralysis: a survey of genetically diagnosed individuals.

Charles G et al.

Journal of Neurology, 2013

A quantitative measure of handgrip myotonia in non-dystrophic myotonia.

Statland JM et al.

Muscle & Nerve, 2012

A sodium channel myotonia due to a novel SCN4A mutation accompanied by acquired autoimmune myasthenia gravis.

Kokunai Y et al.

Neuroscience Letters, 2012

A novel N440K sodium channel mutation causes myotonia with exercise-induced weakness--exclusion of CLCN1 exon deletion/duplication by MLPA.

Lehmann-Horn F et al.

Acta Myologica : Myopathies and Cardiomyopathies : Official Journal of the Mediterranean Society of Myology, 2011

Refined exercise testing can aid DNA-based diagnosis in muscle channelopathies.

Tan SV et al.

Annals of Neurology, 2011

Skeletal muscle na channel disorders.

Simkin D et al.

Frontiers in Pharmacology, 2011

Cold extends electromyography distinction between ion channel mutations causing myotonia.

Fournier E et al.

Annals of Neurology, 2006

Human skeletal muscle sodium channelopathies.

Vicart S et al.

Neurological Sciences : Official Journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology, 2005

Gain-of-function mutation in Nav1.7 in familial erythromelalgia induces bursting of sensory neurons.

Dib-Hajj SD et al.

Brain : a Journal of Neurology, 2005

Genetic disorders of neuromuscular ion channels.

Kleopa KA et al.

Muscle & Nerve, 2002

Impairment of slow inactivation as a common mechanism for periodic paralysis in DIIS4-S5.

Bendahhou S et al.

Neurology, 2002

Mexiletine block of disease-associated mutations in S6 segments of the human skeletal muscle Na(+) channel.

Takahashi MP et al.

The Journal of Physiology, 2001

Channelopathies: ion channel defects linked to heritable clinical disorders.

Felix R

Journal of Medical Genetics, 2000

Spectrum of sodium channel disturbances in the nondystrophic myotonias and periodic paralyses.

Cannon SC

Kidney International, 2000

Spectrum of inherited myotonias and periodic paralyses.

Al-Tahan AY

Saudi Medical Journal, 1999

Enhanced slow inactivation by V445M: a sodium channel mutation associated with myotonia.

Takahashi MP et al.

Biophysical Journal, 1999

Human sodium channel gating defects caused by missense mutations in S6 segments associated with myotonia: S804F and V1293I.

Green DS et al.

The Journal of Physiology, 1998

Phenotype variation and newcomers in ion channel disorders.

Bulman DE

Human Molecular Genetics, 1997

Paramyotonia congenita without paralysis on exposure to cold: a novel mutation in the SCN4A gene (Val1293Ile).

Koch MC et al.

Neuroreport, 1995

Hereditary nondystrophic myotonias and periodic paralyses.

Lehmann-Horn F et al.

Current Opinion in Neurology, 1995

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