Overview of the Mucopolysaccharidoses

Heather A. Lau, MD, Director, Lysosomal Storage Disease Program at NYU Langone Health provides an overview of the mucopolysaccharidoses (MPSs) a group of rare, inherited lysosomal storage disorders that are clinically characterized by abnormalities in multiple organ systems and reduced life expectancy.

Lysosomal Storage Disorders

Lysosomal storage disorders (LSDs) are a group of about 50 genetic diseases caused by defects in lysosomal proteins or lysosomal related-proteins, which results in dysfunction of lysosomes.

Niemann-Pick Disease

Niemann-Pick disease (NPD) is a group of inherited metabolic disorders in which harmful quantities of a fatty substance (lipids) accumulate in the spleen, liver, lungs, bone marrow, and brain.

Gaucher Disease

Gaucher disease (GD) is a genetic disorder in which glucocerebroside (a sphingolipid, also known as glucosylceramide) accumulates in cells and certain organs. The disorder is characterized by bruising, fatigue, anemia, low blood platelet count and enlargement of the...

Menkes Disease

Menkes disease is a disorder that affects copper levels in the body. It is characterized by sparse, kinky hair; failure to thrive; and progressive deterioration of the nervous system.

Mucopolysaccharidosis type VII (Sly Syndrome)

Mucopolysaccharidosis type VII (MPS VII), also known as Sly syndrome, is a rare, progressive lysosomal storage disease first described in 1973 by Dr. William Sly. It is caused by the inherited deficiency of the β-glucuronidase enzyme due to mutations in the beta-glucuronidase (GUSB) gene.

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