Searched for: subject:"Animals"
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van Dam, A.D. (author), Nahon, K.J. (author), Kooijman, S. (author), van den Berg, S.M. (author), Kanhai, A.A. (author), Kikuchi, T. (author), Heemskerk, M.M. (author), van Harmelen, V. (author), Lombès, M. (author), van den Hoek, A.M. (author), de Winther, M.P. (author), Lutgens, E. (author), Guigas, B. (author), Rensen, P.C. (author), Boon, M.R. (author)
Salsalate improves glucose intolerance and dyslipidemia in type 2 diabetes patients, but the mechanism is still unknown. The aim of the current study was to unravel the molecular mechanisms involved in these beneficial metabolic effects of salsalate by treating mice with salsalate during and after development of high-fat diet-induced obesity. We...
article 2015
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Bijland, S. (author), Pieterman, E.J. (author), Maas, A.C.E. (author), van der Hoorn, J.W.A. (author), van Erk, M.J. (author), van Klinken, J.B. (author), Havekes, L.M. (author), van Dijk, K.W. (author), Princen, H.M.G. (author), Rensen, P.C.N. (author), TNO Kwaliteit van Leven (author)
The peroxisome proliferator-activated receptor alpha (PPARα) activator fenofibrate efficiently decreases plasma triglycerides (TG), which is generally attributed to enhanced very low density lipoprotein (VLDL)-TG clearance and decreased VLDL-TG production. However, because data on the effect of fenofibrate on VLDL production are controversial,...
article 2010
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Berbé, J.F.P. (author), Coomans, C.P. (author), Westerterp, M. (author), Romijn, J.A. (author), Havekes, L.M. (author), Rensen, P.C.N. (author), TNO Kwaliteit van Leven (author)
Timely sensing of lipopolysaccharide (LPS) is critical for the host to fight invading Gram-negative bacteria. We recently showed that apolipoprotein CI (apoCI) (apoCI<sub>1-57</sub>) avidly binds to LPS, involving an LPS-binding motif (apoCI<sub>48-54</sub>), and thereby enhances the LPS-induced inflammatory response. Our current aim was to...
article 2010
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de Haan, W. (author), de Vries-van der Weij, J. (author), Mol, I.M. (author), Hoekstra, M. (author), Romijn, J.A. (author), Jukema, J.W. (author), Havekes, L.M. (author), Princen, H.M.G. (author), Rensen, P.C.N. (author), TNO Kwaliteit van Leven (author)
Pregnane X receptor (PXR) agonism has been shown to affect multiple steps in both the synthesis and catabolism of HDL, but its integrated effect on HDL metabolism in vivo remains unclear. The aim of this study was to evaluate the net effect of PXR agonism on HDL metabolism in ApoE*3-Leiden (E3L) and E3L.CETP mice, well-established models for...
article 2009
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van der Hoorn, J.W.A. (author), Jukema, J.W. (author), Havekes, L.M. (author), Lundholm, E. (author), Camejo, G. (author), Rensen, P.C.N. (author), Princen, H.M.G. (author), TNO Kwaliteit van Leven (author)
Background and purpose: We have evaluated the effects of a peroxisome proliferator-activated receptor (PPAR)α/γ agonist on the progression of pre-existing atherosclerotic lesions in APOE*3Leiden.cholesteryl ester transfer protein (E3L.CETP) transgenic mice. Experimental approach: E3L.CETP mice were fed a high-cholesterol diet for 11 weeks to...
article 2009
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de Haan, W. (author), Out, R. (author), Berbée, J.F.P. (author), van der Hoogt, C.C. (author), Dijk, K.W.v. (author), van Berkel, T.J.C. (author), Romijn, J.A. (author), Wouter Jukema, J. (author), Havekes, L.M. (author), Rensen, P.C.N. (author), TNO Kwaliteit van Leven (author)
Apolipoprotein CI (apoCI) has been suggested to influence HDL metabolism by activation of LCAT and inhibition of HL and CETP. However, the effect of apoCI on scavenger receptor BI (SR-BI)-mediated uptake of HDL-cholesteryl esters (CE), as well as the net effect of apoCI on HDL metabolism in vivo is unknown. Therefore, we evaluated the effect of...
article 2008
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de Haan, W. (author), de Vries-van der Weij, J. (author), van der Hoorn, J.W.A. (author), Gautier, T. (author), van der Hoogt, C.C. (author), Westerterp, M. (author), Romijn, J.A. (author), Jukema, J.W. (author), Havekes, L.M. (author), Princen, H.M.G. (author), Rensen, P.C.N. (author)
BACKGROUND - Although cholesteryl ester transfer protein (CETP) inhibition is regarded as a promising strategy to reduce atherosclerosis by increasing high-density lipoprotein cholesterol, the CETP inhibitor torcetrapib given in addition to atorvastatin had no effect on atherosclerosis and even increased cardiovascular death in the recent...
article 2008
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Hu, L. (author), van der Hoogt, C.C. (author), Espirito Santo, S.M.S. (author), Out, R. (author), Kypreos, K.E. (author), van Vlijmen, B.J.M. (author), van Berkel, T.J.C. (author), Romijn, J.A. (author), Havekes, L.M. (author), van Dijk, K.W. (author), Rensen, P.C.N. (author), TNO Kwaliteit van Leven (author)
LPL activity plays an important role in preceding the VLDL remnant clearance via the three major apolipoprotein E (apoE)-recognizing receptors: the LDL receptor (LDLr), LDL receptor-related protein (LRP), and VLDL receptor (VLDLr). The aim of this study was to determine whether LPL activity is also important for VLDL remnant clearance...
article 2008
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de Haan, W. (author), van der Hoogt, C.C. (author), Westerterp, M. (author), Hoekstra, M. (author), Dallinga-Thie, G.M. (author), Princen, H.M.G. (author), Romijn, J.A. (author), Jukema, J.W. (author), Havekes, L.M. (author), Rensen, P.C.N. (author), TNO Kwaliteit van Leven (author)
Objective: In addition to lowering low-density lipoprotein (LDL)-cholesterol, statins modestly increase high-density lipoprotein (HDL)-cholesterol in humans and decrease cholesteryl ester transfer protein (CETP) mass and activity. Our aim was to determine whether the increase in HDL depends on CETP expression. Methods and results: APOE*3-Leiden ...
article 2008
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van der Hoorn, J.W.A. (author), de Haan, W. (author), Berbée, J.P.P. (author), Havekes, L.M. (author), Jukema, J.W. (author), Rensen, P.C. (author), Princen, H.M.G. (author), TNO Kwaliteit van Leven (author)
Objective - Niacin potently decreases plasma triglycerides and LDL-cholesterol. In addition, niacin is the most potent HDL-cholesterol- increasing drug used in the clinic. In the present study, we aimed at elucidation of the mechanism underlying its HDL-raising effect. Methods and Results - InAPOE*3Leiden transgenic mice expressing the human...
article 2008
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Abildayeva, K. (author), Berbée, J.F.P. (author), Blokland, A. (author), Jansen, P.J. (author), Hoek, F.J. (author), Meijer, O. (author), Lütjohann, D. (author), Gautier, T. (author), Pillot, T. (author), de Vente, J. (author), Havekes, L.M. (author), Ramaekers, F.C.S. (author), Kuipers, F. (author), Rensen, P.C.N. (author), Mulder, M. (author), TNO Kwaliteit van Leven (author)
The H2 allele of APOC1, giving rise to increased gene expression of apolipoprotein C-I (apoC-I), is in genetic disequilibrium with the APOE4 allele and may provide a major risk factor for Alzheimer's disease (AD). We found that apoC-I protein is present in astrocytes and endothelial cells within hippocampal regions in both human control and AD...
article 2008
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Gerritsen, G. (author), van der Hoogt, C.C. (author), Schaap, F.G. (author), Voshol, P.J. (author), Kypreos, K.E. (author), Maeda, N. (author), Groen, A.K. (author), Havekes, L.M. (author), Rensen, P.C.N. (author), van Dijk, K.W. (author), TNO Kwaliteit van Leven (author)
Apolipoprotein E2 (apoE2)-associated hyperlipidemia is characterized by a disturbed clearance of apoE2-enriched VLDL remnants. Because excess apoE2 inhibits LPL-mediated triglyceride (TG) hydrolysis in vitro, we in vestigated whether direct or indirect stimulation of LPL activity in vivo reduces the apoE2-associated hypertriglyc-eridemia. Here,...
article 2008
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Moen, C.J.A. (author), Tholens, A.P. (author), Voshol, P.J. (author), de Haan, W. (author), Havekes, L.M. (author), Gargalovic, P. (author), Lusis, A.J. (author), van Dyk, K.W. (author), Frants, R.R. (author), Hofker, M.H. (author), Rensen, P.C.N. (author), TNO Kwaliteit van Leven (author)
The Hyplip2 congenic mouse strain contains part of chromosome 15 from MRL/MpJ on the BALB/cJ background. Hyplip2 mice show increased plasma levels of cholesterol and predominantly triglycerides (TGs) and are susceptible to diet-induced atherosclerosis. This study aimed at elucidation of the mechanism(s) explaining the hypertriglyceridemia....
article 2007
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Westerterp, M. (author), Berbée, J.F.P. (author), Delsing, D.J.M. (author), Jong, M.C. (author), Gijbels, M.J.J. (author), Dahlmans, V.E.H. (author), Offerman, E.H. (author), Romijn, J.A. (author), Havekes, L.M. (author), Rensen, P.C.N. (author), TNO Kwaliteit van Leven (author)
Mice that overexpress human apolipoprotein C-I (apoC-I) homozygously (APOC1+/+ mice) are protected against obesity and show cutaneous abnormalities. Although these effects can result from our previous observation that apoC-I inhibits FFA generation by LPL, we have also found that apoC-I impairs the uptake of a FFA analog in adipose tissue. In...
article 2007
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Gautier, T. (author), Tietge, U.J.F. (author), Boverhof, R. (author), Perton, F.G. (author), Le Guern, N. (author), Masson, D. (author), Rensen, P.C.N. (author), Havekes, L.M. (author), Lagrost, L. (author), Kuipers, F. (author), TNO Kwaliteit van Leven (author)
The impact of apolipoprotein C-I (apoC-I) deficiency on hepatic lipid metabolism was addressed in mice in the presence or the absence of cholesteryl ester transfer protein (CETP). In addition to the expected moderate reduction in plasma cholesterol levels, apoCIKO mice showed significant increases in the hepatic content of cholesteryl esters (...
article 2007
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Westerterp, M. (author), van Eck, M. (author), de Haan, W. (author), Offerman, E.H. (author), van Berkel, T.J.C. (author), Havekes, L.M. (author), Rensen, P.C.N. (author), TNO Kwaliteit van Leven (author)
Objective: Apolipoprotein CI (apoCI) is expressed in the liver and in macrophages, and has several roles in lipid metabolism. Since macrophage apoCI expression might affect macrophage lipid homeostasis and atherosclerotic lesion development locally in the arterial wall, we investigated the effect of both systemic and macrophage apoCI on...
article 2007
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van der Hoogt, C.C. (author), de Haan, W. (author), Westerterp, M. (author), Hoekstra, M. (author), Dallinga-Thie, G.M. (author), Romijn, J.A. (author), Princen, H.M.G. (author), Jukema, J.W. (author), Havekes, L.M. (author), Rensen, P.C.N. (author), TNO Kwaliteit van Leven (author)
In addition to efficiently decreasing VLDL-triglycerides (TGs), fenofibrate increases HDL-cholesterol levels in humans. We investigated whether the fenofibrate-induced increase in HDL-cholesterol is dependent on the expression of the cholesteryl ester transfer protein (CETP). To this end, APOE*3-Leiden (E3L) transgenic mice without and with the...
article 2007
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Westerterp, M. (author), Berbée, J.F.P. (author), Pires, N.M.M. (author), van Mierlo, G.J.D. (author), Kleemann, R. (author), Romijn, J.A. (author), Havekes, L.M. (author), Rensen, P.C.N. (author), TNO Kwaliteit van Leven (author)
BACKGROUND - Lipopolysaccharide (LPS), which is released from Gram-negative bacteria on multiplication or lysis, aggravates atherosclerosis in humans and rodents by inducing inflammation via toll-like receptors. Because apolipoprotein C-I (apoCI) enhances the LPS-induced inflammatory response in macrophages in vitro and in mice, we investigated...
article 2007
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Westerterp, M. (author), van der Hoogt, C.C. (author), de Haan, W. (author), Offerman, E.H. (author), Dallinga-Thie, G.M. (author), Jukema, J.W. (author), Havekes, L.M. (author), Rensen, P.C.N. (author), TNO Kwaliteit van Leven (author)
OBJECTIVE - The role of cholesteryl ester transfer protein (CETP) in the development of atherosclerosis is still undergoing debate. Therefore, we evaluated the effect of human CETP expression on atherosclerosis in APOE*3-Leiden (E3L) mice with a humanized lipoprotein profile. METHODS AND RESULTS - E3L mice were crossbred with human CETP...
article 2006
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Berbée, J.F. (author), van der Hoogt, C.C. (author), Kleemann, R. (author), Schippers, E.F. (author), Kitchens, R.L. (author), van Dissel, J.T. (author), Bakker-Woudenberg, I.A. (author), Havekes, L.M. (author), Rensen, P.C. (author), TNO Kwaliteit van Leven (author)
Gram-negative sepsis is a major death cause in intensive care units. Accumulating evidence indicates the protective role of plasma lipoproteins such as high-density lipoprotein (HDL) in sepsis. It has recently been shown that septic HDL is almost depleted from apolipoprotein CI (apoCI), suggesting that apoCI may be a protective factor in sepsis....
article 2006
Searched for: subject:"Animals"
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