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Am J Clin Nutr. 1979 Feb;32(2):282-5.

On the clinical significance of the plasma alpha-amino-n-butyric acid:leucine ratio.


The ratio of plasma alpha-aminobutyric acid to plasma leucine that has been proposed as a specific biochemical marker of alcoholic liver injury, was measured in normal children an children with a variety of metablic disorders. The ratio was found to be lower in children that in adults. It was elevated in children with Reye's syndrome, tyrosinemia, homocystinuria, nonketotic hyperglycinemia, and ornithine transcarbamylase deficiency. The results indicate that an elevated ratio is not specific for adults with alcoholic liver injury and that the ratio may be high even without the presence of clinically apparent hepatic disease. An altered ratio may reflect the presence of an inherent metabolic defect.

[Indexed for MEDLINE]

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