" /> Fucosidosis - CISMeF





Preferred Label : Fucosidosis;

Type : Phenotype, molecular basis known;

Alternative titles and symbols : Alpha-L-fucosidase deficiency;

Description : Fucosidosis is an autosomal recessive lysosomal storage disease caused by defective alpha-L-fucosidase with accumulation of fucose in the tissues. Clinical features include angiokeratoma, progressive psychomotor retardation, neurologic signs, coarse facial features, and dysostosis multiplex. Fucosidosis has been classified into 2 major types. Type 1 is characterized by rapid psychomotor regression and severe neurologic deterioration beginning at about 6 months of age, elevated sweat sodium chloride, and death within the first decade of life. Type 2 is characterized by milder psychomotor retardation and neurologic signs, the development of angiokeratoma corporis diffusum, normal sweat salinity, and longer survival (Kousseff et al., 1976).;

Inheritance : Autosomal recessive;

Molecular basis : Caused by mutations in the alpha-L-fucosidase gene (FUCA1, 230000.0001);

Laboratory abnormalities : Elevated sweat chloride; Vacuolated lymphocytes; Increased urine oligosaccharides; Alpha-L-fucosidase deficiency;

Prefixed ID : #230000;

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18/05/2024


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