Varaico: Literature-Extracted Genetic Variants

Gene:CHRNA4
Variant:p.S280F
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CHRNA4

NM_000744.7:p.S280F

Associated Papers

Emerging Role of Tripartite Synaptic Transmission in the Pathomechanism of Autosomal-Dominant Sleep-Related Hypermotor Epilepsy.

Oka T et al.

International Journal of Molecular Sciences, 2025

Clinical, molecular, physiologic, and therapeutic feature of patients with CHRNA4 and CHRNB2 deficiency: A systematic review.

Jalaiei A et al.

Journal of Neurochemistry, 2025

Pathogenic genes implicated in sleep-related hypermotor epilepsy: a research progress update.

Yang Y et al.

Frontiers in Neurology, 2024

Nicotinic acetylcholine receptors and epilepsy.

Becchetti A et al.

Pharmacological Research, 2023

Whole-exome sequencing of a Saudi epilepsy cohort reveals association signals in known and potentially novel loci.

Al Anazi AH et al.

Human Genomics, 2022

Can rodent models elucidate the pathomechanisms of genetic epilepsy?

Okada M

British Journal of Pharmacology, 2022

Sleep-related hypermotor epilepsy with genetic diagnosis: description of a case series in a tertiary referral hospital.

Arenas-Cabrera C et al.

Journal of Central Nervous System Disease, 2022

Nicotine Patch Improved Autosomal Dominant Sleep-Related Hypermotor Epilepsy.

Nguyen SM et al.

Pediatric Neurology, 2021

Age-Dependent and Sleep/Seizure-Induced Pathomechanisms of Autosomal Dominant Sleep-Related Hypermotor Epilepsy.

Fukuyama K et al.

International Journal of Molecular Sciences, 2020

Pathomechanism of nocturnal paroxysmal dystonia in autosomal dominant sleep-related hypermotor epilepsy with S284L-mutant α4 subunit of nicotinic ACh receptor.

Fukuyama K et al.

Biomedicine & Pharmacotherapy = Biomedecine & Pharmacotherapie, 2020

Upregulated and Hyperactivated Thalamic Connexin 43 Plays Important Roles in Pathomechanisms of Cognitive Impairment and Seizure of Autosomal Dominant Sleep-Related Hypermotor Epilepsy with S284L-Mutant α4 Subunit of Nicotinic ACh Receptor.

Fukuyama K et al.

Pharmaceuticals (basel, Switzerland), 2020

Pathogenesis and pathophysiology of autosomal dominant sleep-related hypermotor epilepsy with S284L-mutant α4 subunit of nicotinic ACh receptor.

Fukuyama K et al.

British Journal of Pharmacology, 2020

Remarkable effect of transdermal nicotine in children with CHRNA4-related autosomal dominant sleep-related hypermotor epilepsy.

Lossius K et al.

Epilepsy & Behavior : E&b, 2020

Upregulated Connexin 43 Induced by Loss-of-Functional S284L-Mutant α4 Subunit of Nicotinic ACh Receptor Contributes to Pathomechanisms of Autosomal Dominant Sleep-Related Hypermotor Epilepsy.

Fukuyama K et al.

Pharmaceuticals (basel, Switzerland), 2020

CHRNA4 variant causes paroxysmal kinesigenic dyskinesia and genetic epilepsy with febrile seizures plus?

Jiang YL et al.

Seizure, 2018

Ion Channel Genes and Epilepsy: Functional Alteration, Pathogenic Potential, and Mechanism of Epilepsy.

Wei F et al.

Neuroscience Bulletin, 2017

ExACtly zero or once: A clinically helpful guide to assessing genetic variants in mild epilepsies.

Bennett CA et al.

Neurology. Genetics, 2017

28717674 (PubMed )
Supplement: supp_3.4.e163_Table_e-1.xlsx › Strong_segregation_support

Genetic models of focal epilepsies.

Boillot M et al.

Journal of Neuroscience Methods, 2016

A novel mutation of the nicotinic acetylcholine receptor gene CHRNA4 in a Chinese patient with non-familial nocturnal frontal lobe epilepsy.

Wang MY et al.

Epilepsy Research, 2014

A transcript coding for a partially duplicated form of α7 nicotinic acetylcholine receptor is absent from the CD4+ T-lymphocytes of patients with autosomal dominant nocturnal frontal lobe epilepsy (ADNFLE).

Rozycka A et al.

Folia Neuropathologica, 2013

Mutations in familial nocturnal frontal lobe epilepsy might be associated with distinct neurological phenotypes.

Steinlein OK et al.

Seizure, 2012

Autosomal dominant nocturnal frontal lobe epilepsy: a genotypic comparative study of Japanese and Korean families carrying the CHRNA4 Ser284Leu mutation.

Hwang SK et al.

Journal of Human Genetics, 2011

Animal models for autosomal dominant frontal lobe epilepsy: on the origin of seizures.

Steinlein OK

Expert Review of Neurotherapeutics, 2010

Pleiotropic functional effects of the first epilepsy-associated mutation in the human CHRNA2 gene.

Hoda JC et al.

Febs Letters, 2009

Rats harboring S284L Chrna4 mutation show attenuation of synaptic and extrasynaptic GABAergic transmission and exhibit the nocturnal frontal lobe epilepsy phenotype.

Zhu G et al.

The Journal of Neuroscience : the Official Journal of the Society for Neuroscience, 2008

Association of idiopathic generalized epilepsy with polymorphisms in the neuronal nicotinic acetylcholine receptor subunits.

Lee CC et al.

Journal of Clinical Laboratory Analysis, 2007

Genetics of idiopathic epilepsies.

Hirose S et al.

Epilepsia, 2005

Recent advances on autosomal dominant nocturnal frontal lobe epilepsy: "understanding the nicotinic acetylcholine receptor (nAChR)".

di Corcia G et al.

European Journal of Paediatric Neurology : Ejpn : Official Journal of the European Paediatric Neurology Society, 2005

Association of the neuronal nicotinic acetylcholine receptor subunit alpha4 polymorphisms with febrile convulsions.

Chou IC et al.

Epilepsia, 2003

Evidence for S284L mutation of the CHRNA4 in a white family with autosomal dominant nocturnal frontal lobe epilepsy.

Rozycka A et al.

Epilepsia, 2003

Genetic abnormalities underlying familial epilepsy syndromes.

Hirose S et al.

Brain & Development, 2002

Mutation (Ser284Leu) of neuronal nicotinic acetylcholine receptor alpha 4 subunit associated with frontal lobe epilepsy causes faster desensitization of the rat receptor expressed in oocytes.

Matsushima N et al.

Epilepsy Research, 2002

Molecular genetics of human familial epilepsy syndromes.

Hirose S et al.

Epilepsia, 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."