New groups of hypolipidemic medications based on inhibition of proprotein convertase subtilisin/kexin type 9 (PCSK9). Part 1

Author:

Chaulin A. M.1

Affiliation:

1. Samara Regional Cardiology Dispensary named after Polyakov V.P.; Samara State Medical University

Abstract

Hypolipidemic therapy is one of the essential components for the management of patients with cardiovascular diseases (CVD). In this regard, the main task of modern research is to find new targets for creating additional effective groups of hypolipidemic medications. Canadian and French research groups led by N. Seidah and M. Abifadel discovered a new enzyme — proprotein convertase subtilisin-kexin type 9 (PCSK9) in 2003. It turned out to play an important role in lipid metabolism later. The main mechanism of action of PCSK9 is to regulate the density of low-density lipoprotein receptors (LDLR) in the cell membrane of hepatocytes. Increased activity of PCSK9 accelerates the degradation of LDL significantly, and leads to an increase in the concentration of atherogenic classes of lipoproteins — low-density lipoproteins (LDL). In contrast, reduced PCSK9 activity is accompanied by a decrease in LDL concentrations and a reduced risk of developing atherosclerosis and CVD. The second of the recently discovered and less studied mechanism of PCSK9 protearogenic action is an increase in inflammatory processes in the atherosclerotic plaque. Considering this adverse contribution of PCSK9 to the development and progression of atherosclerosis and CVD, the main task of the researchers was to develop medications that inhibit THIS enzyme. Several new groups of medications that target the stages of biosynthesis and the function of PCSK9 have been developed by now. In this article, we will focus on details discussing the mechanisms of action and effectiveness of the following groups of hypolipidemic medications: anti-PCSK9 monoclonal antibodies (alirocumab, evolocumab), small interfering ribonucleic acids (incliciran), and antisense nucleotides.

Publisher

Medical Informational Agency Publishers

Subject

General Medicine

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