Bi-allelic GAD1 variants cause a neonatal onset syndromic developmental and epileptic encephalopathy
Chatron N, Becker F, Morsy H, Schmidts M, Hardies K, Tuysuz B, Roselli S, Najafi M, Alkaya DU, Ashrafzadeh F, Nabil A, Omar T, Maroofian R, Karimiani EG, Hussien H, Kok F, Ramos L, Gunes N, Bilguvar K, Labalme A, Alix E, Sanlaville D, de Bellescize J, Poulat AL, Helbig I, von Spiczak S, Baulac S, Barisic N, Balling R, Caglayan H, Craiu D, Guerrini R, Klein K, Marini C, Muhle H, Rosenow F, Serratosa J, Sterbova K, Weber Y, Moslemi A, Lerche H, May P, Lesca G, Weckhuysen S, Tajsharghi H. Bi-allelic GAD1 variants cause a neonatal onset syndromic developmental and epileptic encephalopathy. Brain 2020, 143: 1447-1461. PMID: 32282878, PMCID: PMC7241960, DOI: 10.1093/brain/awaa085.Peer-Reviewed Original ResearchConceptsEpileptic encephalopathyJoint contracturesSeizure onsetCleft palateMonths of lifePost-neonatal periodYears of ageBi-allelic lossΓ-aminobutyric acid (GABA) metabolismEnzyme GAD67Epileptic spasmsEarly EEGEpilepsy syndromesMyoclonic seizuresEarly-onset epilepsy syndromeDisease historyPes equinovarusPatientsNovel syndromeEncephalopathyBurst attenuationIndependent consanguineous familiesFirst monthTherapeutic hopeFunction variants
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