" /> Aspartylglucosaminuria - CISMeF





Preferred Label : Aspartylglucosaminuria;

Symbol : AGU;

CISMeF acronym : AGU;

Type : Phenotype, molecular basis known;

Alternative titles and symbols : ASPARTYLGLYCOSAMINURIA; Glycosylasparaginase deficiency; GLYCOASPARAGINASE; Aspartylglucosaminidase deficiency; Aga deficiency;

Description : Aspartylglucosaminuria is a severe autosomal recessive lysosomal storage disorder that involves the central nervous system and causes skeletal abnormalities as well as connective tissue lesions. The most characteristic feature is progressive mental retardation. The disorder is caused by deficient activity of the lysosomal enzyme glycosylasparaginase, which results in body fluid and tissue accumulation of a series of glycoasparagines, i.e., glycoconjugates with an aspartylglucosamine moiety at the reducing end. AGU belongs to the group of disorders commonly referred to as the Finnish disease heritage (summary by Mononen et al., 1993 and Arvio and Arvio, 2002).;

Inheritance : Autosomal recessive;

Molecular basis : Caused by mutation in the aspartylglucosaminidase gene (AGA, 208400.0001);

Laboratory abnormalities : Aspartylglucosaminuria; Little to absent aspartylglucosaminuria activity; Decreased prothrombin time;

Prefixed ID : #208400;

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28/07/2025


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