Varaico: Literature-Extracted Genetic Variants

Gene:SCN4A
Variant:p.R1448H
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SCN4A

NM_000334.4:p.R1448H

Associated Papers

Clinical, electromyographic, and biophysical characterization of the rare Nav1.4 channel mutation SCN4A L1436P.

Wang FC et al.

Frontiers in Physiology, 2025

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

Vivekanandam V et al.

Neuromuscular Disorders : Nmd, 2023

Genetic spectrum and founder effect of non-dystrophic myotonia: a Japanese case series study.

Yuan JH et al.

Journal of Neurology, 2022

Kinetic Alterations in Resurgent Sodium Currents of Mutant Nav1.4 Channel in Two Patients Affected by Paramyotonia Congenita.

Lee MJ et al.

Biology, 2022

The etiology of rhabdomyolysis: an interaction between genetic susceptibility and external triggers.

Kruijt N et al.

European Journal of Neurology, 2021

32978841 (PubMed )
Supplement: ENE-28-647-s002.docx

Changes in Resurgent Sodium Current Contribute to the Hyperexcitability of Muscles in Patients with Paramyotonia Congenita.

Huang CW et al.

Biomedicines, 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, myopathological and genetic features of two Chinese families with paramyotonia congenita].

Song J et al.

Zhonghua Nei Ke Za Zhi, 2020

Genotype-Phenotype Correlations and Characterization of Medication Use in Inherited Myotonic Disorders.

Meyer AP et al.

Frontiers in Neurology, 2020

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

Overlap of periodic paralysis and paramyotonia congenita caused by SCN4A gene mutations two family reports and literature review.

Huang S et al.

Channels (austin, Tex.), 2019

Role of the voltage sensor module in Nav domain IV on fast inactivation in sodium channelopathies: The implication of closed-state inactivation.

Nakajima T et al.

Channels (austin, Tex.), 2019

The combination of whole-exome sequencing and copy number variation sequencing enables the diagnosis of rare neurological disorders.

Jiao Q et al.

Clinical Genetics, 2019

Prolonged attacks of weakness with hypokalemia in SCN4A-related paramyotonia congenita.

van Osch T et al.

Muscle & Nerve, 2018

Substitutions of the S4DIV R2 residue (R1451) in NaV1.4 lead to complex forms of paramyotonia congenita and periodic paralyses.

Poulin H et al.

Scientific Reports, 2018

Gating Pore Currents in Sodium Channels.

Groome JR et al.

Handbook of Experimental Pharmacology, 2018

Exome sequencing in Jewish and Arab patients with rhabdomyolysis reveals single-gene etiology in 43% of cases.

Vivante A et al.

Pediatric Nephrology (berlin, Germany), 2017

N1366S mutation of human skeletal muscle sodium channel causes paramyotonia congenita.

Ke Q et al.

The Journal of Physiology, 2017

Skeletal Muscle Channelopathies: Rare Disorders with Common Pediatric Symptoms.

Matthews E et al.

The Journal of Pediatrics, 2017

A Sodium Channel Myotonia Presenting with Intermittent Dysphagia as a Manifestation of a Rare SCN4A Variant.

Benhammou JN et al.

Journal of Molecular Neuroscience : Mn, 2017

Sequence CLCN1 and SCN4A in patients with Nondystrophic myotonias in Chinese populations: Genetic and pedigree analysis of 10 families and review of the literature.

Yang X et al.

Channels (austin, Tex.), 2017

A recessive Nav1.4 mutation underlies congenital myasthenic syndrome with periodic paralysis.

Habbout K et al.

Neurology, 2016

A gating model for wildtype and R1448H Nav1.4 channels in paramyotonia.

Holzherr B et al.

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

24136861 (PubMed )
Supplement: jmedgenet-2013-101917-s1.pdf

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

Charles G et al.

Journal of Neurology, 2013

Non-dystrophic myotonia: prospective study of objective and patient reported outcomes.

Trivedi JR et al.

Brain : a Journal of Neurology, 2013

Phenotypic heterogeneity in skeletal muscle sodium channelopathies: A case report and literature review.

Saleem R et al.

Journal of Pediatric Neurosciences, 2013

Paramyotonia congenita: from clinical diagnosis to in silico protein modeling analysis.

Nurputra DK et al.

Pediatrics International : Official Journal of the Japan Pediatric Society, 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

Skeletal muscle na channel disorders.

Simkin D et al.

Frontiers in Pharmacology, 2011

Sodium channelopathies of skeletal muscle result from gain or loss of function.

Jurkat-Rott K et al.

Pflugers Archiv : European Journal of Physiology, 2010

The dominant cold-sensitive Out-cold mutants of Drosophila melanogaster have novel missense mutations in the voltage-gated sodium channel gene paralytic.

Lindsay HA et al.

Genetics, 2008

In tandem analysis of CLCN1 and SCN4A greatly enhances mutation detection in families with non-dystrophic myotonia.

Trip J et al.

European Journal of Human Genetics : Ejhg, 2008

What causes paramyotonia in the United Kingdom? Common and new SCN4A mutations revealed.

Matthews E et al.

Neurology, 2008

Comparative efficacy of repetitive nerve stimulation, exercise, and cold in differentiating myotonic disorders.

Michel P et al.

Muscle & Nerve, 2007

Skeletal-muscle channelopathies: periodic paralysis and nondystrophic myotonias.

Ryan AM et al.

Current Opinion in Neurology, 2007

Cold extends electromyography distinction between ion channel mutations causing myotonia.

Fournier E et al.

Annals of Neurology, 2006

Paralysis periodica paramyotonica caused by SCN4A Arg1448Cys mutation.

Hsu WC et al.

Journal of the Formosan Medical Association = Taiwan Yi Zhi, 2006

A new case of autosomal dominant myotonia associated with the V1589M missense mutation in the muscle sodium channel gene and its phenotypic classification.

Ferriby D et al.

Neuromuscular Disorders : Nmd, 2006

Single-channel properties of human NaV1.1 and mechanism of channel dysfunction in SCN1A-associated epilepsy.

Vanoye CG et al.

The Journal of General Physiology, 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

Muscle channelopathies and critical points in functional and genetic studies.

Jurkat-Rott K et al.

The Journal of Clinical Investigation, 2005

Preferred mexiletine block of human sodium channels with IVS4 mutations and its pH-dependence.

Mohammadi B et al.

Pharmacogenetics and Genomics, 2005

New mutations of SCN4A cause a potassium-sensitive normokalemic periodic paralysis.

Vicart S et al.

Neurology, 2004

Temperature-sensitive defects in paramyotonia congenita mutants R1448C and T1313M.

Dice MS et al.

Muscle & Nerve, 2004

Treatment in myotonia and periodic paralysis.

Meola G et al.

Revue Neurologique, 2004

Thr1313Met mutation in skeletal muscle sodium channels in a Japanese family with paramyotonia congenita.

Kinoshita M et al.

Internal Medicine (tokyo, Japan), 2003

A Korean family with Arg1448Cys mutation of SCN4A channel causing paramyotonia congenita: electrophysiologic, histopathologic, and molecular genetic studies.

Kim DS et al.

Journal of Korean Medical Science, 2002

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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."