STX1B-related epilepsy in a 24-month-old female infant

Autor: Katharina Burghardt, Naomi Baba, Isolde Schreyer, Irene Graneß, Christian A. Hübner
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: Epilepsy & Behavior Reports, Vol 15, Iss , Pp 100391- (2021)
Druh dokumentu: article
ISSN: 2589-9864
DOI: 10.1016/j.ebr.2020.100391
Popis: We report on a 24-month-old girl with age-appropriate development and normal intellectual ability suffering from myoclonic astatic epilepsy. Panel-based sequencing of roughly 1500 genes associated with neurodevelopmental and metabolic diseases identified a heterozygous de novo point mutation in STX1B (c.733C>T or p.Arg245*). STX1B encodes Syntaxin-1B which plays a role for synaptic transmission. STX1B variants are associated with a broad phenotypic spectrum of epilepsies including febrile or afebrile seizures as well as epileptic encephalopathies. Our patient with MAE adds to the spectrum of STX1B associated phenotypes.
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