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Atherosclerosis: cell biology and lipoproteins.

Changes in cholesterol metabolism are most commonly the focus of mechanistic studies of lipids in atherosclerotic lesion development. However, it is widely appreciated that changes in both sphingolipids and phospholipids are important avenues of atherosclerosis research. The major emphasis of these studies has been on the degradation of these lipids on the surface of lipoproteins with a subsequent modification of cellular interactions.