Relationship of sulfated glycosaminoglycans and cholesterol content in normal and arteriosclerotic human aorta.

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Abstract
Sulfated glycosaminoglycans were extracted from arteriosclerotic and adjacent nonarteriosclerotic areas of human aortas from persons ages 28 to 83 years; the glycosaminoglycans were compared with the cholesterol and triglyceride content of the tissues. Sulfated glycosaminoglycans were isolated after proteolytic digestion of defatted arterial tissue and were quantified after reductive labeling with NaB3H4. The amount of glycosaminoglycans in the aorta increased with the age of the person and the cholesterol content (degree of arteriosclerosis) of the aorta. The proportion of chondroitin sulfate/dermatan sulfate increased significantly with age and cholesterol content, whereas the corresponding amounts of heparan sulfate decreased.