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Dermatan sulfate

Glycosaminoglycan found in animals

Glycosaminoglycan found in animals

| Drugs.com = Dermatan sulfate is a glycosaminoglycan (formerly called a mucopolysaccharide) found mostly in skin, but also in blood vessels, heart valves, tendons, and lungs.

It is also referred to as chondroitin sulfate B, although it is no longer classified as a form of chondroitin sulfate by most sources. The formula is C14H21NO15S. This carbohydrate is composed of linear polymers of disaccharide units that contain, iduronic acid (IdoA) and N-acetyl galactosamine (GalNAc). These repeating units are sulfated at a variety of positions. Dermatan sulfate is a component of the compound sulodexide.

Function

Dermatan sulfate may have roles in coagulation, cardiovascular disease, carcinogenesis, infection, wound repair, maintaining the shape of galactosamine 4-sulfate, skin, and fibrosis.

Pathology

Dermatan sulfate accumulates abnormally in several of the mucopolysaccharidosis disorders.

An excess of dermatan sulfate in the mitral valve is characteristic of myxomatous degeneration of the leaflets leading to redundancy of valve tissue and ultimately, mitral valve prolapse (into the left atrium) and insufficiency. This chronic prolapse occurs mainly in women over the age of 60, and can predispose the patient to mitral annular calcification. Mitral valve insufficiency can lead to eccentric (volume dependent or dilated) hypertrophy and eventually left heart failure if untreated.

References

References

  1. (September 2002). "Dermatan sulfate: new functions from an old glycosaminoglycan". Glycobiology.
  2. "Dermatan sulfate".
  3. (2010). "Use of sulodexide in patients with peripheral vascular disease". Journal of Blood Medicine.
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glycosaminoglycans organosulfates
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