Functions of glycosaminoglycans

FUNCTIONS OF GLYCOSAMINOGLYCANS


Name of the sugar

Functions

Hyaluronic acid

It is not sulfated. Present in synovial fluid, vitreous humor and in the loose connective tissue. Serves as a lubricant and provides the cushioning effect.

Chondroitin 4 - and 6 - sulfates

Formation of bone, cartilage and cornea.

Heparin

It is present in mast cells. Serves as an anticoagulant. Causes the release of the lipoprotein lipase from the capillary walls.

Heparan sulfate

Component of skin fibroblast and aortic walls. Commonly found on all cell surfaces.

Keratan sulfate

Transparency of cornea. Found in loose connective tissues.

Dermatan sulfate

Found in skin, blood vessels and heart valves. Binds LDL to plasma walls.


Last modified: Tuesday, 22 March 2011, 8:53 AM