Novel mutations in two unrelated Italian patients with SSADH deficiency.
Metab Brain Dis
; 34(5): 1515-1518, 2019 10.
Article
em En
| MEDLINE
| ID: mdl-31267348
ABSTRACT
Succinic semialdehyde dehydrogenase deficiency (SSADHD) is a rare autosomal recessive disorder of γ-aminobutyric acid (GABA) catabolism caused by mutations in the gene coding for succinic semialdehyde dehydrogenase (ALDH5A1). The abnormal levels of GHB detected in the brain and in all physiological fluids of SSADHD patients represent a diagnostic biochemical hallmark of the disease. Here we report on the clinical and molecular characterization of two unrelated Italian patients and the identification of two novel mutations a 22 bp DNA duplication in exon 1, c.114_135dup, p.(C46AfsX97), and a non-sense mutation in exon 10, c.1429C > T, p.(Q477X). The two patients showed very different clinical phenotypes, coherent with their age. These findings enrich the characterization of SSADHD families and contribute to the knowledge on the progression of the disease.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Deficiências do Desenvolvimento
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Succinato-Semialdeído Desidrogenase
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Erros Inatos do Metabolismo dos Aminoácidos
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Mutação
Tipo de estudo:
Prognostic_studies
Limite:
Adult
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Child, preschool
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Female
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Humans
País/Região como assunto:
Europa
Idioma:
En
Revista:
Metab Brain Dis
Ano de publicação:
2019
Tipo de documento:
Article