Revista de neurologia · 2025
[Neurodevelopmental and Movement Disorder Due to a Mutation in the GNAO1 Gene: A Case Report].
Клинический случайАннотация на английскомСтатьяНазвание и аннотация: Перевод в очереди
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Hernández Yeneris Sandra Milena, González-Solano María Alejandra, Lince-Rivera Isabella, Rojas-Martínez Jorge A, Ramón-Gómez Jorge L
Аннотация
INTRODUCTION: We present the case of a patient with a de novo heterozygous probably pathogenic variant c.545C>T (p.Thr182Ile) in the GNAO1 gene that is probably pathogenic in relation to a neurodevelopmental disorder and movement disorder.
CASE REPORT: A female patient who started at 3 months with severe neurodevelopmental delay, and subsequently myoclonus, orofacial dyskinesia, and choreoathetosis, without seizures. Metabolic and structural causes were investigated and, finally, whole exome sequencing in trio identified a de novo heterozygous, probably pathogenic, variant c.545C>T (p.Thr182Ile) in the GNAO1 gene.
CONCLUSIONS: Early recognition of neurodevelopmental delay and abnormal movements are determinants of an etiological approach to a neurological disorder. The use of whole exome sequencing should be promoted if a structural and metabolic diagnosis has been ruled out as the identification of a specific condition affects its management and prognosis, and guides genetic counseling.
CASE REPORT: A female patient who started at 3 months with severe neurodevelopmental delay, and subsequently myoclonus, orofacial dyskinesia, and choreoathetosis, without seizures. Metabolic and structural causes were investigated and, finally, whole exome sequencing in trio identified a de novo heterozygous, probably pathogenic, variant c.545C>T (p.Thr182Ile) in the GNAO1 gene.
CONCLUSIONS: Early recognition of neurodevelopmental delay and abnormal movements are determinants of an etiological approach to a neurological disorder. The use of whole exome sequencing should be promoted if a structural and metabolic diagnosis has been ruled out as the identification of a specific condition affects its management and prognosis, and guides genetic counseling.