Amino acids analysis were made on serum and cerebrospinal fluid samples of a Japanese 5-month-old infant suffering from irritability and mental retardation noticed at 2 months of age. Excessive amounts of branched-chain amino acids and of keto acids were detected in those samples and the large quant
Maple syrup urine disease variant: Report on an infant
✍ Scribed by Koepp, P. ;Rybak, Ch. ;R�diger, H. W. ;Wendel, U.
- Publisher
- Springer-Verlag
- Year
- 1974
- Weight
- 413 KB
- Volume
- 116
- Category
- Article
- ISSN
- 0044-2917
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✦ Synopsis
Clinical course and laboratory findings including enzymatic studies in leukocytes and cultured fibroblasts are reported in an infant with a variant form of maple-syrup urine disease.
Presenting symptoms in the age of 7 months were coma, ataxia and gross developmental retardation. Therapy consisted of restricted leucine a]lowance according to the patients tolerance. With a protein-poor regimen the patient remained free of symptoms and his developmental age corresponded to his chronological ~ge at the age of 18 months.
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We report on 2 women with organic acidemias, one with classical maple syrup urine disease and another with mild propionic acidemia in which protein restricted diets and carnitine supplementation were successfully employed to manage pregnancies. Healthy infants were delivered without maternal metabol
Paalman Maple syrup urine disease (MSUD) is an autosomal recessive metabolic disorder of panethnic distribution caused by a deficiency of the activity of branched-chain α-ketoacid dehydrogenase (BCKD) complex. Mutations in the human BCKD genes E1 α (BCKDHA), E1 β (BCKDHB) and E2 (DBT) are known to r