Novel KCNC2 variant associated with developmental and epileptic encephalopathy.
Int J Dev Neurosci
; 83(4): 357-367, 2023 Jun.
Article
em En
| MEDLINE
| ID: mdl-37203270
ABSTRACT
The KCNC2 gene encodes Kv3.2, which is a member of the voltage-gated potassium channel subfamily. It is crucial for the generation of fast-spiking properties in cortical GABAergic interneurons. Recently, KCNC2 variations were found to be associated with epileptic encephalopathy in unrelated individuals. Here, we report a Chinese patient with developmental and epileptic encephalopathy (DEE) and motor development delay. Whole-exome sequencing (WES) revealed a novel heterozygous variant in the KCNC2 gene NM_139137.4c.1163T>C (p.Phe388Ser), and subsequent Sanger sequencing showed that it was a de novo mutation. We identified the KCNC2 likely pathogenic variant in a DEE patient by reanalysis of WES data in a Chinese family. Our study enriched the variation spectrum of the KCNC2 gene and promoted the application of WES technology and data reanalysis in the diagnosis of epilepsy.
Palavras-chave
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Transtornos das Habilidades Motoras
/
Epilepsia
Idioma:
En
Ano de publicação:
2023
Tipo de documento:
Article