Аннотация:The article summarizes the role of the new type 9 subtilisin-Kexin protein convertase (PCSK9) in the regulation of lipoprotein transport. Impaired transport, characterized by excessive serum cholesterol and low-density atherogenic lipoproteins, is a key risk factor for the development of athero-sclerosis and cardiovascular diseases. Due to the fact that PCSK9 causes degradation of low-density lipoprotein receptors and increases the level of atherogenic low-density lipoproteins, PCSK9 has become a new target for the development of therapeutic drugs for the treatment and prevention of cardiovascular diseases. At the same time, review articles on PCSK9 do not pay enough attention to ITS additional role in regulating lipoprotein transport. In this regard, this review discusses the effects of PCSK9 on other receptors involved in lipid metabolism, further study of which is of great practical importance in the future.