A de novo SCN8A heterozygous mutation in a child with epileptic encephalopathy: a case report

Abstract Background Epilepsy is a complex disorder caused by various factors, including genetic aberrance. Recent studies have identified an essential role of the sodium channel Nav1.6, encoded by the gene SCN8A, in epileptic encephalopathy. Case presentation Using parent-offspring trio targeted-exo...

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Main Authors: Kao-Min Lin (Author), Geng Su (Author), Fengpeng Wang (Author), Xiaobin Zhang (Author), Yuanqing Wang (Author), Jun Ren (Author), Xin Wang (Author), Yi Yao (Author), Ying Zhou (Author)
Format: Book
Published: BMC, 2019-11-01T00:00:00Z.
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042 |a dc 
100 1 0 |a Kao-Min Lin  |e author 
700 1 0 |a Geng Su  |e author 
700 1 0 |a Fengpeng Wang  |e author 
700 1 0 |a Xiaobin Zhang  |e author 
700 1 0 |a Yuanqing Wang  |e author 
700 1 0 |a Jun Ren  |e author 
700 1 0 |a Xin Wang  |e author 
700 1 0 |a Yi Yao  |e author 
700 1 0 |a Ying Zhou  |e author 
245 0 0 |a A de novo SCN8A heterozygous mutation in a child with epileptic encephalopathy: a case report 
260 |b BMC,   |c 2019-11-01T00:00:00Z. 
500 |a 10.1186/s12887-019-1796-9 
500 |a 1471-2431 
520 |a Abstract Background Epilepsy is a complex disorder caused by various factors, including genetic aberrance. Recent studies have identified an essential role of the sodium channel Nav1.6, encoded by the gene SCN8A, in epileptic encephalopathy. Case presentation Using parent-offspring trio targeted-exome sequencing, we identified a de novo heterozygous missense mutation c.3953A > G (p.N1318S) in SCN8A in a 3-year-and-9-month Chinese female patient with early infantile epileptic encephalopathy and a normal magnetic resonance imaging of the brain. Conclusions This de novo mutation was only detected in the patient but not in her parents. Bioinformatic analysis indicates the pathogenicity of this mutation. Administration of the sodium channel blocker well controlled seizures in the patient. Therefore, we recommend trio targeted-exome sequencing as a routine method for pathogenic variant screening in patients with intractable epilepsy and a normal MRI. 
546 |a EN 
690 |a Epileptic encephalopathy 
690 |a Missense mutation 
690 |a SCN8A 
690 |a Targeted exome sequencing 
690 |a Pediatrics 
690 |a RJ1-570 
655 7 |a article  |2 local 
786 0 |n BMC Pediatrics, Vol 19, Iss 1, Pp 1-6 (2019) 
787 0 |n http://link.springer.com/article/10.1186/s12887-019-1796-9 
787 0 |n https://doaj.org/toc/1471-2431 
856 4 1 |u https://doaj.org/article/8c3845e50afc4d2ba9beecee05f433c9  |z Connect to this object online.