CETP does not affect triglyceride production or clearance in APOE*3-Leiden mice

Silvia Bijland, Sjoerd A.A. van den Berg, Peter J. Voshol, Anita M. van den Hoek, Hans M.G. Princen, Loius M. Havekes, Patrick C.N. Rensen, Ko Willems van Dijk*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

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The cholesteryl ester transfer protein (CETP) facilitates the bidirectional transfer of cholesteryl esters and triglycerides (TG) between HDL and (V)LDL. By shifting cholesterol in plasma from HDL to (V)LDL in exchange for VLDL-TG, CETP aggravates atherosclerosis in hyperlipidemic APOE*3-Leiden (E3L) mice. The aim of this study was to investigate the role of CETP in TG metabolism and high-fat diet-induced obesity by using E3L mice with and without the expression of the human CETP gene. On chow, plasma lipid levels were comparable between both male and female E3L and E3L. CETP mice. Further mechanistic studies were performed using male mice. CETP expression increased the level of TG in HDL. CETP did not affect the postprandial plasma TG response or the hepatic VLDL-TG and VLDL-apolipoprotein B production rate. Moreover, CETP did not affect the plasma TG clearance rate or organ-specific TG uptake after infusion of VLDL-like emulsion particles. In line with the absence of an effect of CETP on tissue-specific TG uptake, CETP also did not affect weight gain in response to a high-fat diet. In conclusion, the CETP-induced increase of TG in the HDL fraction of E3L mice is not associated with changes in the production of TG or with tissue-specific clearance of TG from the plasma.

Original languageEnglish
Pages (from-to)97-102
Number of pages6
JournalJournal of Lipid Research
Issue number1
Publication statusPublished - Jan 2010
Externally publishedYes


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