Journal
BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR AND CELL BIOLOGY OF LIPIDS
Volume 1529, Issue 1-3, Pages 276-286Publisher
ELSEVIER
DOI: 10.1016/S1388-1981(00)00154-2
Keywords
apoA-I; atherosclerosis; high density lipoprotein; low density lipoprotein; reverse cholesterol transport; scavenger receptor class B; type I
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High-density lipoproteins (HDL) play an important role in protection against atherosclerosis by mediating reverse cholesterol transport - the transport of excess cholesterol from peripheral tissues to the liver for disposal. SR-BI is a cell surface receptor for HDL and other lipoproteins (LDL and VLDL) and mediates the selective uptake of lipoprotein cholesterol by cells. Overexpression or genetic ablation of SR-BI in mice revealed that it plays an important role in HDL metabolism and reverse cholesterol transport and protects against atherosclerosis in mouse models of the disease. If it plays a similar:role in humans then it may be an attractive target for therapeutic intervention. We will review some of the recent advances in the understanding of SR-BI's physiological role and cellular function in lipoprotein metabolism. (C) 2000 Elsevier Science B.V. All rights reserved.
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