## Abstract The reproducibility of metabolite content determined by MR spectroscopy (MRS) is usually at best a few percent for the prominent singlets. When studying lowβconcentration metabolites, like phenylalanine (Phe), where tissue content can be <100 ΞΌmol/kg, better reproducibility is paramount
Correlation of age-specific phenylalanine levels with intellectual outcome in patients with phenylketonuria
β Scribed by Krista S. Viau; Heidi J. Wengreen; Sharon L. Ernst; Nancy L. Cantor; Larissa V. Furtado; Nicola Longo
- Publisher
- Springer
- Year
- 2011
- Tongue
- English
- Weight
- 353 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0141-8955
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The techniques of systems analysis have been applied to the metabolism of phenylalanine in healthy subjects and in phenylketonuria to derive a computer model. The model consists of seven compartments and four biological functions. Enzyme reactions are assumed to obey Michaelis-Menten kinetics. The c