Glutaricaciduria II is one of the conditions termed organic acidemias. Individuals with these conditions have a deficiency or absence of an enzyme that prevents them from breaking down certain chenicals in the body, resulting the accumulation of several organic acids in the blood and urine. Two enzymes that may be deficient in glutaricaciduria II are electron transfer flavoprotein (ETF) and ETF-ubiquinone oxidoreductase (ETF:QO). A complete enzyme deficiency causes a severe form of the disorder termed neonatal glutaricaciduria ll that is associated with a short life span and, sometimes, with specific physical birth defects. The less severe form of the disorder is termed late onset glutaricaciduria ll and has an extremely variable age of onset. Symptoms include nausea, vomiting, weakness and low blood sugar (hypoglycemia). Glutaricaciduria II is inherited as an autosomal recessive genetic disorder.
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