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TYROSINEMIA III

TYROSINEMIA III
4-HYDROXYPHENYLPYRUVATE DIOXYGENASE DEFICIENCY
276710
OMIM = Online Mendelian Inheritance of Men
69723
4-hydroxyphenylpyruvate dioxygenase
1.13.11.27
12q24.31
E70.2
rare (<1:1000000)
autosomal recessive
Mutations in the 4-hydroxyphenylpyruvic acid dioxygenase gene (HPD) are responsible for tyrosinemia type III and hawkinsinuria [Tomoeda K et al. 2000]
Laboratory findingsL-Tyrosine inc (plasma)
    4-Hydroxyphenylacetic acid inc (urine)
    4-Hydroxyphenyllactic acid inc (urine)
    4-Hydroxyphenylpyruvic acid inc (urine)
Symptoms   Amino acids, plasma
   intellectual disability/intellectual developmental disorder
   mental retardation
   Organic acids, urine
    ataxia
    cerebral atrophy
    epilepsy
    lethargy, drowsiness, apathy
    MRI, brain, abnormalities [-]
    onset, infancy
    onset, neonatal
    seizures