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2-HYDROXYGLUTARIC ACIDURIA (D) TYPE I

2-HYDROXYGLUTARIC ACIDURIA (D) TYPE I
D-2-HYDROXYGLUTARIC ACIDURIA 1; D2HGA1
600721
OMIM = Online Mendelian Inheritance of Men
79315
D-2-hydroxyglutarate dehydrogenase, mitochondrial
1.1.99.39
2q37.3
E72.8
rare (<1:1000000)
autosomal recessive
mutation in the D-2-hydroxyglutarate dehydrogenase gene
biochemical variant of 2-hydroxyglutaric aciduria:
- L-2-hydroxyglutaric aciduria
- D-2-hydroxyglutaric aciduria
- combined D-2- and L-2-hydroxyglutaric aciduria
Laboratory findings2-Hydroxyglutaric acid (D) inc (urine)
   2-Hydroxyglutaric acid (D) inc (cerebrospinal fluid)
   2-Hydroxyglutaric acid (D) inc (plasma)
   2-Oxoglutaric acid inc (urine)
    4-Aminobutyric acid inc (cerebrospinal fluid)
    Succinic acid inc (urine)
Symptoms   cardiomyopathy
   developmental delay
   epilepsy
   hypotonia
   macrocephaly (large calvaria, >2 SD for age)
   mental retardation
   seizures
   vomiting
    alopecia
    anemia
    athetosis
    bleeding tendencies, hemorrhages
    blindness, visual loss, visual impairment
    corpus callosum, agenesis/hypoplasia
    dysmorphism
    EEG abnormalities [-]
    hyperpigmentation
    infantile spasms
    irritability
    metaphyseal dysplasia
    MRI, brain, abnormalities [-]
    MRI, brain, white matter abnormalities [-]
    onset, infancy
    onset, neonatal
    Organic acid, spinal fluid
    Organic acids, plasma
    Organic acids, urine
    peripheral neuropathy
    speech development, delayed, abnormal
    white matter changes, abnormalities