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Late onset of distinct neurologic syndromes in galactosemic siblings
J H Friedman1, H L Levy, R M Boustany
1Roger Williams General Hospital, Brown University, Providence, RI 02908.
Insights
Late-onset neurologic complications, including seizures and ataxia, can occur in adults with galactose-1-phosphate uridyl transferase deficiency. Increased survival rates may lead to more prevalent adult-onset neurological issues in galactosemia.
Area of Science:
- Metabolic disorders
- Neuroscience
- Genetics
Background:
- Galactose-1-phosphate uridyl transferase (GALT) deficiency, also known as classic galactosemia, is an inherited metabolic disorder.
- Early diagnosis and dietary management (lactose restriction) are crucial for preventing severe infantile complications.
Observation:
- This study focuses on two adult siblings diagnosed with GALT deficiency.
- Both siblings developed significant neurological complications after the age of 30, despite likely receiving early treatment.
Findings:
- One sibling presented with partial complex seizures.
- The other sibling experienced generalized seizures, progressive ataxia, and apraxia.
Implications:
- These cases highlight the potential for late-onset neurological manifestations in GALT deficiency.
- As more individuals with galactosemia survive into adulthood, a broader spectrum of neurological complications may emerge.
- Further research is needed to understand the mechanisms and long-term prognosis of adult-onset neurological issues in galactosemia.
Abstract:
We discuss siblings with galactose-1-phosphate uridyl transferase deficiency who developed neurologic complications after the age of 30. One has partial complex seizures and the other has generalized seizures, progressive ataxia, and apraxia. As more galactosemic children survive into adulthood, more neurologic complications may become more prevalent.