Varaico: Literature-Extracted Genetic Variants

Gene:SCN1A
Variant:p.R222*
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SCN1A

NM_001165963.4:p.R222*

Associated Papers

Personalized care of paediatric drug-resistant epilepsy in Africa: A single-centre pilot study utilizing mobile health and genetic testing.

Olivier IS et al.

Developmental Medicine and Child Neurology, 2026

Genetic etiology of 283 Chinese individuals with epilepsy using copy number variation sequencing and whole exome sequencing: a single-center cohort study.

Hu J et al.

Bmc Medical Genomics, 2025

The genetic spectrum features of 2261 Chinese children with epilepsy and intellectual disability.

Pang N et al.

Bmc Medicine, 2025

40598568 (PubMed )
Supplement: 12916_2025_4220_MOESM1_ESM.xlsx › Table_S3

SCN1A pathogenic variants do not have a distinctive blood-derived DNA methylation signature.

LaFlamme CW et al.

Epilepsia, 2025

39932319 (PubMed )
Supplement: EPI-66-e66-s002.xlsx › Supplementary_Data_1

Do germline genetic variants influence surgical outcomes in drug-resistant epilepsy?

Marques P et al.

Epilepsy Research, 2024

Identification of genetic causes in children with unexplained epilepsy based on trio-whole exome sequencing.

Chengyan L et al.

Clinical Genetics, 2024

Diagnostic efficiency of exome-based sequencing in pediatric patients with epilepsy.

Zou H et al.

Frontiers in Genetics, 2024

39906551 (PubMed )
Supplement: Table1.xlsx › Table_S2

Utility of Exome Sequencing for Diagnosis in Unexplained Pediatric-Onset Epilepsy.

Koh HY et al.

Jama Network Open, 2023

Genetic Landscape of SCN1A Variants in a Turkish Cohort with GEFS+ Spectrum and Dravet Syndrome.

Türkyılmaz A et al.

Molecular Syndromology, 2022

Clinical and genetic spectrum of 355 Chinese children with epilepsy: a trio-sequencing-based study.

Duan J et al.

Brain : a Journal of Neurology, 2022

35231114 (PubMed )
Supplement: awac053_supplementary_data.zip › brain-2021-02368-File005.pdf

Late diagnoses of Dravet syndrome: How many individuals are we missing?

Silvennoinen K et al.

Epilepsia Open, 2021

Epilepsy-Related Voltage-Gated Sodium Channelopathies: A Review.

Menezes LFS et al.

Frontiers in Pharmacology, 2020

Multimodal Analysis of SCN1A Missense Variants Improves Interpretation of Clinically Relevant Variants in Dravet Syndrome.

Gonsales MC et al.

Frontiers in Neurology, 2019

31001185 (PubMed )
Supplement: Table_1.XLSX › SCN1A_Mutations_in_DS

Rare Variants in 48 Genes Account for 42% of Cases of Epilepsy With or Without Neurodevelopmental Delay in 246 Pediatric Patients.

Fernández-Marmiesse A et al.

Frontiers in Neuroscience, 2019

Dravet syndrome in South African infants: Tools for an early diagnosis.

Esterhuizen AI et al.

Seizure, 2018

Channelopathy as a SUDEP Biomarker in Dravet Syndrome Patient-Derived Cardiac Myocytes.

Frasier CR et al.

Stem Cell Reports, 2018

High frequency of mosaic pathogenic variants in genes causing epilepsy-related neurodevelopmental disorders.

Stosser MB et al.

Genetics in Medicine : Official Journal of the American College of Medical Genetics, 2018

Impaired intracortical inhibition demonstrated in vivo in people with Dravet syndrome.

Stern WM et al.

Neurology, 2017

28356460 (PubMed )
Supplement: supp_WNL.0000000000003868_e-tables.pdf

Dysarthria and broader motor speech deficits in Dravet syndrome.

Turner SJ et al.

Neurology, 2017

Negative-dominance phenomenon with genetic variants of the cardiac sodium channel Nav1.5.

Sottas V et al.

Biochimica Et Biophysica Acta, 2016

Pitfalls in genetic testing: the story of missed SCN1A mutations.

Djémié T et al.

Molecular Genetics & Genomic Medicine, 2016

Electroencephalographic features of patients with SCN1A-positive Dravet syndrome.

Lee HF et al.

Brain & Development, 2015

Application of next-generation sequencing technologies in Neurology.

Jiang T et al.

Annals of Translational Medicine, 2014

Early clinical features and diagnosis of Dravet syndrome in 138 Chinese patients with SCN1A mutations.

Xu X et al.

Brain & Development, 2014

The SCN1A gene variants and epileptic encephalopathies.

Parihar R et al.

Journal of Human Genetics, 2013

Trafficking mechanisms underlying neuronal voltage-gated ion channel localization at the axon initial segment.

Vacher H et al.

Epilepsia, 2012

Targeted next generation sequencing as a diagnostic tool in epileptic disorders.

Lemke JR et al.

Epilepsia, 2012

Pure haploinsufficiency for Dravet syndrome Na(V)1.1 (SCN1A) sodium channel truncating mutations.

Bechi G et al.

Epilepsia, 2012

Timing of de novo mutagenesis--a twin study of sodium-channel mutations.

Vadlamudi L et al.

The New England Journal of Medicine, 2010

The SCN1A variant database: a novel research and diagnostic tool.

Claes LR et al.

Human Mutation, 2009

Mutational analysis of the SCN1A, SCN1B and GABRG2 genes in 150 Italian patients with idiopathic childhood epilepsies.

Orrico A et al.

Clinical Genetics, 2009

A catalog of SCN1A variants.

Lossin C

Brain & Development, 2009

Recurrent de novo mutations of SCN1A in severe myoclonic epilepsy of infancy.

Kearney JA et al.

Pediatric Neurology, 2006

SCN1A mutations and epilepsy.

Mulley JC et al.

Human Mutation, 2005

Mutations of neuronal voltage-gated Na+ channel alpha 1 subunit gene SCN1A in core severe myoclonic epilepsy in infancy (SMEI) and in borderline SMEI (SMEB).

Fukuma G et al.

Epilepsia, 2004

Spectrum of SCN1A mutations in severe myoclonic epilepsy of infancy.

Nabbout R et al.

Neurology, 2003

De novo mutations in the sodium-channel gene SCN1A cause severe myoclonic epilepsy of infancy.

Claes L et al.

American Journal of Human Genetics, 2001

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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."