Advances in Clinical and Experimental Medicine

Title abbreviation: Adv Clin Exp Med
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Advances in Clinical and Experimental Medicine

2018, vol. 27, nr 3, March, p. 429–436

doi: 10.17219/acem/67968

Publication type: review

Language: English

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Plasma lipid transfer proteins: The role of PLTP and CETP in atherogenesis

Zbyszko Chowaniec1,A,B,C,D, Anna Skoczyńska1,A,C,E,F

1 Department and Clinic of Internal and Occupational Diseases and Hypertension, Wroclaw Medical University, Poland

Abstract

Cardiovascular diseases are still the main cause of death in Poland and throughout the world. Independent risk factors of cardiovascular disease, in addition to elevated LDL cholesterol, are both low HDL levels and high levels of non-HDL cholesterol. Plasma phospholipid-transfer protein (PLTP) and cholesteryl ester transfer protein (CETP) both play a major role in the metabolism of those lipoproteins. A lack of these proteins increases HDL and lowers LDL levels. In the light of current knowledge, it seems reasonable to search for compounds that may decrease the activity of CETP, and thus reduce the incidence of cardiovascular disease. Whereas on the one hand there are reports about the adverse effect of torcetrapib and the lack of therapeutic effects of dalcetrapib, on the other hand the question arises whether the CETP inhibitors that are currently in clinical trials will rise to the challenges before them. Currently, it is known that the activity of PLTP, while affecting the metabolism of lipoproteins, especially HDL, plays a major role in atherogenesis. Still, there are some contradictions and controversies about the effect of PLTP on reverse cholesterol transport (RCT). There are a number of studies about the role that PLTP plays in the pathogenesis of various diseases. Further studies are needed to clearly determine the impact of PLTP activity on the formation and development of pathological processes in the cardiovascular system.

Key words

CETP, atherogensis, PLTP

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