HAIR AMINO ACIDS IN CYSTINOSIS, HOMOCYSTINURIA, FÖLLING'S DISEASE AND TYROSINOSIS

Abstract
Summary: The amino acid content of the hair was determined in patients with cystinosis, homocystin‐uria, phenylketonuria and tyrosinosis, and in two normal controls. No significant increases of cystine, homocystine, methionine, phenylalanine or tyrosine were found. Analysis of hair amino acids therefore does not seem to give any information about the diagnosis in these disorders.