glutaric acidemia type 2
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glutaric acidemia type 2An autosomal recessive disorder (OMIM:231680) of fatty acid, amino acid and choline metabolism. It is characterised by multiple acyl-CoA dehydrogenase deficiencies resulting in marked excretion of glutaric acid, as well as lactic, ethylmalonic, butyric, isobutyric, 2-methyl-butyric and isovaleric acids. Glutaric acidemia type 2 is divided into three subunits:
(1) Glutaric acidemia 2A (OMIM:608053);
(2) Glutaric acidemia 2B (OMIM:231680); and
(3) Glutaric acidemia 2C (OMIM:231675).
Defects in genes ETFA, ETFB and ETFDH, which are involved in electron transfer in the mitochondrial respiratory chain, cause glutaric acidemia type 2A, 2B and 2C, respectively.