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 findings | 2-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 |