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单词 Mannosidase deficiency diseases
释义

Mannosidase deficiency diseases

英语百科

Beta-mannosidosis

(重定向自Mannosidase deficiency diseases)

Beta-mannosidosis, also called lysosomal beta-mannosidase deficiency, is a disorder of oligosaccharide metabolism caused by decreased activity of the enzyme beta-mannosidase. This enzyme is coded for by the gene MANBA, located at 4q22-25. Beta-mannosidosis is inherited in an autosomal recessive manner. Affected individuals appear normal at birth, and can have a variable clinical presentation. Infantile onset forms show severe neurodegeneration, while some children have intellectual disability. Hearing loss and angiokeratomas are common features of the disease, however because it is so rare, the full phenotype associated with the disease is not fully understood.

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更新时间:2025/6/22 3:05:07