Mucopolysaccharides

Mucopolysaccharides are long chains of sugar molecules that are found throughout the body, often in mucus and in the fluid around the joints. They are a type of glycosaminoglycan which are very large polysaccharides that are major components of connective tissue in the body.

Structure

Mucopolysaccharides are composed of repeating disaccharide units. The disaccharide units contain an amino sugar (either glucosamine or galactosamine) and a uronic acid (either glucuronic acid or iduronic acid).

Function

Mucopolysaccharides have several important functions in the body. They help to lubricate joints, keep the skin and other tissues moist, and support the immune system. They also play a role in the development and maintenance of the heart and blood vessels, the endocrine system, and the digestive system.

Disorders

There are several disorders related to mucopolysaccharides, known as mucopolysaccharidoses. These are a group of metabolic disorders caused by the absence or malfunctioning of certain enzymes needed to break down mucopolysaccharides. These disorders can lead to a variety of health problems, including mental retardation, short stature, and heart disease.

See also

• Glycosaminoglycan
• Polysaccharide
• Connective tissue
• Mucopolysaccharidoses

Mucopolysaccharides Resources
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