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Updated: Mar 11, 2026

A High-Throughput Luciferase Assay to Evaluate Proteolysis of the Single-Turnover Protease PCSK9
Published on: August 28, 2018
[Lipid-lowering drugs and PCSK9]
Jesús Millán Núñez-Cortés1, José M Mostaza Prieto2
1Unidad de Lípidos y Riesgo Vascular, Hospital General Universitario Gregorio Marañón, Madrid, España.
This review examines how lipid-lowering drugs affect PCSK9. Statins and ezetimibe increase PCSK9, while fibrates and niacin may decrease it, impacting LDL receptor levels.
Area of Science:
- Biochemistry
- Pharmacology
- Cardiovascular Medicine
Background:
- Proprotein convertase subtilisin/kexin type 9 (PCSK9) is a key regulator of LDL receptor metabolism.
- PCSK9 promotes hepatic degradation of LDL receptors, reducing LDL cholesterol clearance.
- Statins reduce cholesterol synthesis, upregulating LDL receptor expression and consequently PCSK9 levels.
Purpose of the Study:
- To review the impact of various lipid-lowering drugs on plasma PCSK9 concentrations.
- To understand the interplay between lipid-lowering therapies and PCSK9 regulation.
- To provide insights into therapeutic strategies targeting PCSK9.
Main Methods:
- Literature review of studies investigating lipid-lowering drugs and PCSK9 levels.
- Analysis of the mechanisms by which different drug classes influence PCSK9.
- Synthesis of findings on PCSK9 modulation by statins, ezetimibe, fibrates, and niacin.
Main Results:
- Statins consistently increase serum PCSK9 concentrations.
- Ezetimibe enhances the statin-induced increase in PCSK9.
- Fibrates and niacin may lead to a decrease in PCSK9 levels.
Conclusions:
- Different classes of lipid-lowering drugs exert varied effects on PCSK9.
- Understanding these effects is crucial for optimizing lipid management and cardiovascular risk reduction.
- PCSK9 modulation by these drugs offers potential therapeutic targets.
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