The Tohoku Journal of Experimental Medicine
Online ISSN : 1349-3329
Print ISSN : 0040-8727
ISSN-L : 0040-8727
Urocanic Aciduria: A Defect in the Urocanase Activity in the Liver of a Mentally Retarded
TOSHIO YOSHIDAKEIYA TADAYOSHIYUKI HONDATSUNEO ARAKAWA
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1971 年 104 巻 4 号 p. 305-312

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A new entity of inborn error of histidine metabolism was described. This was characterized by 1) urocanic aciduria, which was exaggerated after an oral dose of L-histidine, 2) a delayed clearance curve of serum histidine levels after an oral dose of L-histidine, 3) urinary excretion of no detectable amounts of formiminoglutamic acid after an oral load with L-histidine or after an intravenous injection of urocanate, 4) a marked decrease in the urocanase activity of the liver, and 5) mental retardation of probably early onset.
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© Tohoku University Medical Press
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