[Possible explanation of the high degree of IQ variability in subjects with classical phenylketonuria].

  • Dennis Kutter
  • Published 1978 in
    Schweizer Archiv fur Neurologie, Neurochirurgie…


Descriptions of cases of PKU presenting the plain metabolic defect but little or no brain damage are becoming more and more frequent. The author admits the existence of a genetic enzyme system independent of the PKU gene (X). It is probably acting in the brain cells, restoring more or less normal aminoacid balance at this level. Full enzymatic activity and… (More)


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