Medical Definition of Type IS mucopolysaccharidosis
1.
A hereditary metabolic disorder caused by a recessive gene which results in a deficiency of the enzyme alpha-L-iduronidase, which breaks down dermatan sulphate and heparan sulphate, two types of mucopolysaccharides (complex carbohydrates). Consequently, the mucopolysaccharides accumulate in the cells of the body and cause damage.
Symptoms include skeletal deformities, mental retardation, coronary artery disease, deafness, and stiff joints, among other things. There are mild and severe forms of the syndrome, the severe form is called Hurler syndrome, the mild form is called Scheie Syndrome, and children with an intermediate form have Hurler-Scheie Syndrome. Patients with the mild form generally suffer little to no mental retardation and survive to adulthood. There is presently no cure. Scheie's Syndrome is one of a number of related rare genetic mucopolysaccharide disorders, the most common being Hunter syndrome.
(09 Oct 1997)
Lexicographical Neighbors of Type IS Mucopolysaccharidosis
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