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Maroteaux–Lamy syndrome, or Mucopolysaccharidosis Type VI (MPS-VI), is an inherited disease caused by a deficiency in the enzyme arylsulfatase B (ARSB). [3] ASRB is responsible for the breakdown of large sugar molecules called glycosaminoglycans (GAGs, also known as mucopolysaccharides).
Hyaluronidase deficiency, also known as Mucopolysaccharidosis type IX or MPS IX, is a condition caused by mutations in the HYAL1 gene, and is characterized by multiple soft-tissue masses. [ 1 ] : 544
In the syndrome's last stage, children become increasingly unsteady on their feet and most are unable to walk by age 10. Thickened skin and mild changes in facial features, bone, and skeletal structures become noticeable with age. Growth in height usually stops by age 10.
Mucopolysaccharidosis type I is a spectrum of diseases in the mucopolysaccharidosis family. It results in the buildup of glycosaminoglycans (or GAGs, or mucopolysaccharides) due to a deficiency of alpha-L iduronidase , an enzyme responsible for the degradation of GAGs in lysosomes .
Abnormal values indicate that an MPS disorder is likely. The urine test can occasionally be normal even if the child has an MPS disorder. A definitive diagnosis of MPS II is made by measuring I2S activity in serum, white blood cells, or fibroblasts from skin biopsy. In some people with MPS II, analysis of the I2S gene can determine clinical ...
Hurler syndrome, also known as mucopolysaccharidosis Type IH (MPS-IH), Hurler's disease, and formerly gargoylism, is a genetic disorder that results in the buildup of large sugar molecules called glycosaminoglycans (GAGs) in lysosomes.
Scheie syndrome is a disease caused by a deficiency in the enzyme iduronidase, leading to the buildup of glycosaminoglycans (GAGs) in the body. It is the most mild subtype of mucopolysaccharidosis type I; the most severe subtype of this disease is called Hurler Syndrome.
Morquio syndrome, also known as mucopolysaccharidosis type IV (MPS IV), is a rare metabolic disorder in which the body cannot process certain types of sugar molecules called glycosaminoglycans (AKA GAGs, or mucopolysaccharides).