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- Title
A Heterozygous Variant of FGF13 Caused X-Linked Developmental and Epileptic Encephalopathy 90 in a Chinese Family.
- Authors
Cheng, Haiying; Miao, Pu; Wang, Ye; Guo, Yufan; Gao, Liuyan; Lou, Yuting; Yang, Fan; Liang, Mengmeng; Feng, Jianhua
- Abstract
Developmental and epileptic encephalopathy (DEE) refers to a group of severe epilepsy encephalopathy and development disorders, and its typical clinical features include seizures, drug resistance, and developmental delay or regression. To date, limited studies have reported DEEs driven by FGF13. Here, we reported a girl with developmental and epileptic encephalopathy 90 caused by variant of FGF13. Her electroencephalogram (EEG) showed discontinuous hypsarrhythmia, and a heterozygous nonsynonymous variant in FGF13 [NM_004114.4: c.5C>G, p.(Ala2Gly)] was identified from the proband. The variant was not reported in public databases such as gnomAD and Exome Aggregation Consortium (ExAC), and was predicted to be damaging to proteins and classified as likely pathogenic according to the ACMG guidelines. The seizure was finally controlled by a combination of ACTH + zonisamide (10 mg/kg.d) + levetiracetam (52 mg/kg.d) + clonazepam (0.7 mg/kg.d).
- Subjects
GENETIC variation; BRAIN diseases; PEOPLE with epilepsy; DEVELOPMENTAL delay; DRUG resistance; PILOCARPINE
- Publication
Cytogenetic & Genome Research, 2023, Vol 163, Issue 1/2, p36
- ISSN
1424-8581
- Publication type
Article
- DOI
10.1159/000531932