Case report: A novel de novo variant of SCN8A in a child with benign convulsions with mild gastroenteritis

Benign convulsions with mild gastroenteritis (CwG) is characterized by afebrile convulsions accompanied by mild gastroenteritis, and it can be considered after central nervous system infection, hypoglycemia, electrolyte disturbance, and moderate and severe dehydration are excluded. Previous studies...

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Main Authors: Hui Chen, Xiaoyan Li, Huaping Wu, Xiaolan Sun, Yuanyuan Che, Jian Zha, Ruiyan Wang, Xiongying Yu, Yong Chen, Jianmin Zhong
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-09-01
Series:Frontiers in Neurology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fneur.2022.995513/full
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author Hui Chen
Xiaoyan Li
Huaping Wu
Xiaolan Sun
Yuanyuan Che
Jian Zha
Ruiyan Wang
Xiongying Yu
Yong Chen
Jianmin Zhong
author_facet Hui Chen
Xiaoyan Li
Huaping Wu
Xiaolan Sun
Yuanyuan Che
Jian Zha
Ruiyan Wang
Xiongying Yu
Yong Chen
Jianmin Zhong
author_sort Hui Chen
collection DOAJ
description Benign convulsions with mild gastroenteritis (CwG) is characterized by afebrile convulsions accompanied by mild gastroenteritis, and it can be considered after central nervous system infection, hypoglycemia, electrolyte disturbance, and moderate and severe dehydration are excluded. Previous studies have suggested that genetics may be involved in CWG. Herein, we reported a novel de novo variant of SCN8A in a child with CwG. This is the first report that SCN8A may be associated with CwG. Our report may provides evidence for the genetic etiology of CwG and expands the phenotypic and genetic spectrum of SCN8A-related disorders, which previously included severe developmental and epileptic encephalopathy (DEE) phenotype, benign epilepsy phenotype, spectrum of intermediate epilepsies, and patients with cognitive and/or behavioral disturbances without epilepsy. Phenotype of CwG has a good prognosis, and it does not require long-term antiepileptic therapy. Overtreatment should be avoided clinically. However, the conclusion needs to be further defined by long-term follow-up and similar clinical reports. In spite of this, our clinical observation provides possible evidence for future studies on the relationship between SCN8A and CwG.
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spelling doaj.art-b780be61825d4781b0211f0621f45cf42022-12-22T01:52:23ZengFrontiers Media S.A.Frontiers in Neurology1664-22952022-09-011310.3389/fneur.2022.995513995513Case report: A novel de novo variant of SCN8A in a child with benign convulsions with mild gastroenteritisHui ChenXiaoyan LiHuaping WuXiaolan SunYuanyuan CheJian ZhaRuiyan WangXiongying YuYong ChenJianmin ZhongBenign convulsions with mild gastroenteritis (CwG) is characterized by afebrile convulsions accompanied by mild gastroenteritis, and it can be considered after central nervous system infection, hypoglycemia, electrolyte disturbance, and moderate and severe dehydration are excluded. Previous studies have suggested that genetics may be involved in CWG. Herein, we reported a novel de novo variant of SCN8A in a child with CwG. This is the first report that SCN8A may be associated with CwG. Our report may provides evidence for the genetic etiology of CwG and expands the phenotypic and genetic spectrum of SCN8A-related disorders, which previously included severe developmental and epileptic encephalopathy (DEE) phenotype, benign epilepsy phenotype, spectrum of intermediate epilepsies, and patients with cognitive and/or behavioral disturbances without epilepsy. Phenotype of CwG has a good prognosis, and it does not require long-term antiepileptic therapy. Overtreatment should be avoided clinically. However, the conclusion needs to be further defined by long-term follow-up and similar clinical reports. In spite of this, our clinical observation provides possible evidence for future studies on the relationship between SCN8A and CwG.https://www.frontiersin.org/articles/10.3389/fneur.2022.995513/fullSCN8Agenebenignconvulsionsgastroenteritis
spellingShingle Hui Chen
Xiaoyan Li
Huaping Wu
Xiaolan Sun
Yuanyuan Che
Jian Zha
Ruiyan Wang
Xiongying Yu
Yong Chen
Jianmin Zhong
Case report: A novel de novo variant of SCN8A in a child with benign convulsions with mild gastroenteritis
Frontiers in Neurology
SCN8A
gene
benign
convulsions
gastroenteritis
title Case report: A novel de novo variant of SCN8A in a child with benign convulsions with mild gastroenteritis
title_full Case report: A novel de novo variant of SCN8A in a child with benign convulsions with mild gastroenteritis
title_fullStr Case report: A novel de novo variant of SCN8A in a child with benign convulsions with mild gastroenteritis
title_full_unstemmed Case report: A novel de novo variant of SCN8A in a child with benign convulsions with mild gastroenteritis
title_short Case report: A novel de novo variant of SCN8A in a child with benign convulsions with mild gastroenteritis
title_sort case report a novel de novo variant of scn8a in a child with benign convulsions with mild gastroenteritis
topic SCN8A
gene
benign
convulsions
gastroenteritis
url https://www.frontiersin.org/articles/10.3389/fneur.2022.995513/full
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