Mechanisms of Cellular Uptake of Thrombin-Antithrombin II Complexes Role of the Low-Density Lipoprotein Receptor-Related Protein as a Serpin-Enzyme Complex Receptor

Serine proteinase inhibitors (serpins) such as antithrombin III inhibit target proteinases by forming a stable complexwith the enzyme. Once formed, several serpin-enzyme complexes (SECs) are removed from the circulation by a receptor, termed the SEC receptor, that is present in the liver. Until rece...

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Veröffentlicht in:Trends in cardiovascular medicine 1997, Vol.7 (1), p.9-16
Hauptverfasser: Strickland, Dudley K., Kounnas, Maria Z.
Format: Artikel
Sprache:eng
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Zusammenfassung:Serine proteinase inhibitors (serpins) such as antithrombin III inhibit target proteinases by forming a stable complexwith the enzyme. Once formed, several serpin-enzyme complexes (SECs) are removed from the circulation by a receptor, termed the SEC receptor, that is present in the liver. Until recently, the identity of this clearance receptor remained unknown; however, data are now available that strongly implicates one member of the low-density lipoprotein (LDL) receptor family as a candidate for the SEC receptor. This receptor, known as the LDL receptor-related protein (LRP), is a prominent liver receptor that is known to bind numerous ligands that include proteinase-inhibitor complexes, matrix proteins, and certain apolipoprotein E- and lipoprotein lipase-enriched lipoproteins. © 1997, Elsevier Science Inc. (Trends Cardiovasc Med 1997;7:9–16).
ISSN:1050-1738
1873-2615
DOI:10.1016/S1050-1738(96)00120-X