期刊
EXPERT OPINION ON THERAPEUTIC TARGETS
卷 15, 期 2, 页码 157-168出版社
TAYLOR & FRANCIS LTD
DOI: 10.1517/14728222.2011.547480
关键词
cholesterol; dyslipidemia; endocytosis; hypercholesterolemia; LDL; LDL receptor; PCSK9
资金
- Medical Research Council
- Alzheimer's Research Trust
Introduction: Increased plasma low-density lipoprotein (LDL) cholesterol is a significant risk factor for cardiovascular disease. Plasma LDL-cholesterol is controlled through its uptake into cells upon binding the LDL receptor (LDLR). Proprotein convertase subtilisin/kexin type 9 (PCSK9) binds to the LDLR and promotes its degradation, resulting in increased plasma LDL-cholesterol. Inhibiting the action of PCSK9 on the LDLR has emerged as a novel therapeutic target for hypercholesterolemia. Areas covered: We briefly describe the identification and initial characterisation of PCSK9, before detailing the molecular mechanisms involved in its interaction with the LDLR. We highlight the potential sites for therapeutic intervention in this pathway and describe the current status of therapeutic approaches, including blocking antibodies, siRNA, antisense oligonucleotides and small-molecule inhibitors. The potential limitations of such approaches are also discussed. Expert opinion: There is a wealth of evidence indicating that inhibition of PCSK9 is a highly desirable approach to combat hypercholesterolemia, with several agents in preclinical and clinical development. However, further research is required to fully understand the biological role of PCSK9 and whether its inhibition may have adverse effects in certain groups of patients, for example, those with liver disease.
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