3-Hydroxyglutaric is a marker of glutaryl CoA dehydrogenase deficiency. This enzyme is involved in the breakdown of lysine, hydroxylysine, and tryptophan, and is associated with the genetic disease, glutaric aciduria type 1.
- Elevated 3-hydroxyglutaric acid may occur in combination with glutaric and glutaconic acids.
- Slight elevations may indicate mitochondrial dysfunction.
Symptoms of glutaryl CoA dehydrogenase deficiency are varied. Some individuals appear normal, while others display encephalopathy, autism, cerebral palsy, and additional neurological abnormalities.
Treatment includes adherence to a diet low in lysine and supplementation with carnitine.
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