Molecular basis of PCSK9 function

被引:165
作者
Lambert, Gilles [1 ,2 ]
Charlton, Francesca [1 ]
Rye, Kerry-Anne [1 ]
Piper, Derek E. [3 ]
机构
[1] Heart Res Inst, 114 Pyrmont Bridge Rd, Camperdown, NSW 2050, Australia
[2] Univ Nantes, UFR Med, F-44000 Nantes, France
[3] Amgen Inc, San Francisco, CA 94080 USA
关键词
Hypercholesterolemia; LDL receptor; PCSK9; Therapeutic target; DENSITY-LIPOPROTEIN RECEPTOR; AUTOSOMAL-DOMINANT HYPERCHOLESTEROLEMIA; CONVERTASE SUBTILISIN/KEXIN TYPE-9; PLASMA LDL-CHOLESTEROL; FAMILIAL HYPERCHOLESTEROLEMIA; SECRETED PCSK9; PROPROTEIN CONVERTASES; HEPG2; CELLS; SERUM LDL; RAT-LIVER;
D O I
10.1016/j.atherosclerosis.2008.06.010
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
The LDL receptor (LDLr) inhibitor Proprotein Convertase Subtilisin Kexin type 9 (PCSK9) has emerged as a genetically validated target for lowering plasma LDL cholesterol levels. In 2007, PCSK9 was found to act as a chaperone that binds the LDLr, thereby targeting it for lysosomal degradation. The enzymatic activity of PCSK9 is not involved in that process, but rather permits proper intramolecular processing of PCSK9. This was demonstrated by both site directed mutagenesis and independent reports of the PCSK9 crystal structure. These reports also elucidated the mode of action of several naturally occurring mutants of PCSK9 associated with hyper- or hypocholesterolemia. The present review summarizes studies published or in print before May 2008 investigating the functional significance of PCSK9 and its promising aspects as a prognostic tool and a drug target. (C) 2008 Elsevier Ireland Ltd. All rights reserved.
引用
收藏
页码:1 / 7
页数:7
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