Searched for: subject:"controlled%5C%2Bstudy"
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Kardinaal, A.F.M. (author), van Erk, M.J. (author), Dutman, A.E. (author), Stroeve, J.H.M. (author), van de Steeg, E. (author), Bijlsma, S. (author), Kooistra, T. (author), van Ommen, B. (author), Wopereis, S. (author)
Metabolism maintains homeostasis at chronic hypercaloric conditions, activating postprandial response mechanisms, which come at the cost of adaptation processes such as energy storage, eventually with negative health consequences. This study quantified the metabolic adaptation capacity by studying challenge response curves. After a high-fat...
article 2015
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Morrison, M.C. (author), Mulder, P. (author), Stavro, P.M. (author), Manuel Suárez, M. (author), Arola-Arnal, A. (author), van Duyvenvoorde, W. (author), Kooistra, T. (author), Wielinga, P.Y. (author), Kleemann, R. (author)
Background and Aims As dietary saturated fatty acids are associated with metabolic and cardiovascular disease, a potentially interesting strategy to reduce disease risk is modification of the quality of fat consumed. Vegetable oils represent an attractive target for intervention, as they largely determine the intake of dietary fats. Furthermore,...
article 2015
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Wopereis, S. (author), Radonjic, M. (author), Rubingh, C. (author), van Erk, M. (author), Smilde, A. (author), van Duyvenvoorde, W. (author), Cnubben, N. (author), Kooistra, T. (author), van Ommen, B. (author), Kleemann, R. (author)
The prevalence of diabetes mellitus Type 2 could be significantly reduced by early identification of subjects at risk, allowing for better prevention and earlier treatment. Glucose intolerance (GI) is a hallmark of the prediabetic stage. This study aims at identifying 1) prognostic biomarkers predicting the risk of developing GI later in life...
article 2012
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Verschuren, L. (author), Wielinga, P.Y. (author), van Duyvenvoorde, W. (author), Tijani, S. (author), Toet, K. (author), van Ommen, B. (author), Kooistra, T. (author), Kleemann, R. (author)
Chronic inflammation and proatherogenic lipids are important risk factors of cardiovascular disease (CVD). Specific dietary constituents such as polyphenols and fish oils may improve cardiovascular risk factors and may have a beneficial effect on disease outcomes. We hypothesized that the intake of an antiinflammatory dietary mixture (AIDM)...
article 2011
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Kleemann, R. (author), Verschuren, L. (author), Morrison, M. (author), Zadelaar, A.S.M. (author), van Erk, M.J. (author), Wielinga, P.Y. (author), Kooistra, T. (author)
Objective: Polyphenols such as quercetin may exert several beneficial effects, including those resulting from anti-inflammatory activities, but their impact on cardiovascular health is debated. We investigated the effect of quercetin on cardiovascular risk markers including human C-reactive protein (CRP) and on atherosclerosis using transgenic...
article 2011
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Caesar, R. (author), Manieri, M. (author), Kelder, T. (author), Boekschoten, M. (author), Evelo, C. (author), Müller, M. (author), Kooistra, T. (author), Cinti, S. (author), Kleemann, R. (author), Drevon, C.A. (author), TNO Kwaliteit van Leven (author)
Depot-dependent differences in adipose tissue physiology may reflect specialized functions and local interactions between adipocytes and surrounding tissues. We combined time-resolved microarray analyses of mesenteric- (MWAT), subcutaneous- (SWAT) and epididymal adipose tissue (EWAT) during high-fat feeding of male transgenic ApoE3Leiden mice...
article 2010
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Bakker, G.C.M. (author), van Erk, M.J. (author), Pellis, L. (author), Wopereis, S. (author), Rubingh, C.M. (author), Cnubben, N.H.P. (author), Kooistra, T. (author), van Ommen, B. (author), Hendriks, H.F.J. (author), TNO Kwaliteit van Leven (author)
Background: Low-grade chronic inflammation in overweight subjects is thought to play an important role in disease development. Objective: It was hypothesized that specific dietary components are able to reduce low-grade inflammation as well as metabolic and oxidative stress. Design: Dietary products [resveratrol, green tea extract, α-tocopherol,...
article 2010
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de Vries-van der Weij, J. (author), Toet, K. (author), Zadelaar, A.S.M. (author), Wielinga, P.Y. (author), Kleemann, R. (author), Rensen, P.C.N. (author), Kooistra, T. (author), TNO Kwaliteit van Leven (author)
Objective: Inflammation plays an important role in all stages of atherosclerosis, but little is known about the therapeutic effects of quenching inflammation in already existing atherosclerotic lesions. Putative beneficial effects of salicylate, an inhibitor of NF-κB activation, were studied in mice with established lesions. Methods: ApoE*3...
article 2010
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Verschuren, L. (author), van der Vries de Weij, J. (author), Zadelaar, A.S.M. (author), Kleemann, R. (author), Kooistra, T. (author), TNO Kwaliteit van Leven (author)
The aim of this study was to define the anti-atherosclerotic role of liver-X-receptors (LXRs) under lesion progressive and lesion regressive conditions, to establish a temporal line of events, and to gain insights into the mechanisms underlying the anti-atherogenic potency of LXRs. We used apoE*3Leiden (E3L) mice to comprehensively and time...
article 2009
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Hellebrekers, B.W.J. (author), Trimbos-Kemper, T.C.M. (author), Boesten, L. (author), Jansen, F.W. (author), Kolkman, W. (author), Trimbos, J.B. (author), Press, R.R. (author), van Poelgeest, M.I.E. (author), Emeis, S.J. (author), Kooistra, T. (author), TNO Kwaliteit van Leven (author)
Objective: To identify predictors of postsurgical adhesion formation in peritoneal fluid and plasma, and assess efficacy and safety of reteplase (recombinant plasminogen activator [r-PA]). Design: Prospective randomized study. Setting: University Medical Center. Patient(s): Twenty-six abdominal myomectomy patients with early second-look...
article 2009
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Bobeldijk, I. (author), Hekman, M. (author), van der Vries de- Weij, J. (author), Coulier, L. (author), Ramaker, R. (author), Kleemann, R. (author), Kooistra, T. (author), Rubingh, C. (author), Freidig, A. (author), Verheij, E. (author), TNO Kwaliteit van Leven (author)
We report a sensitive, generic method for quantitative profiling of bile acids and other endogenous metabolites in small quantities of various biological fluids and tissues. The method is based on a straightforward sample preparation, separation by reversed-phase high performance liquid-chromatography mass spectrometry (HPLC-MS) and electrospray...
article 2008
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Madsen, L. (author), Pedersen, L.M. (author), Liaset, B. (author), Ma, T. (author), Petersen, R.K. (author), van den Berg, S. (author), Pan, J. (author), Müller-Decker, K.M. (author), Dülsner, E.D. (author), Kleemann, R. (author), Kooistra, T. (author), Døskeland, S.O. (author), Kristiansen, K. (author), TNO Kwaliteit van Leven (author)
The effect of n-6 polyunsaturated fatty acids (n-6 PUFAs) on adipogenesis and obesity is controversial. Using in vitro cell culture models, we show that n-6 PUFAs was pro-adipogenic under conditions with base-line levels of cAMP, but anti-adipogenic when the levels of cAMP were elevated. The anti-adipogenic action of n-6 PUFAs was dependent on a...
article 2008
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Kleemann, R. (author), Verschuren, L. (author), van Erk, M.J. (author), Nikolsky, Y. (author), Cnubben, N.H.P. (author), Verheij, E.R. (author), Smilde, A.K. (author), Hendriks, H.F.J. (author), Zadelaar, A.S.M. (author), Smith, G.J. (author), Kaznacheev, V. (author), Nikolskaya, T. (author), Melnikov, A. (author), Hurt-Camejo, E. (author), van der Greef, J. (author), van Ommen, B. (author), Kooistra, T. (author), TNO Kwaliteit van Leven (author)
Background: Increased dietary cholesterol intake is associated with atherosclerosis. Atherosclerosis development requires a lipid and an inflammatory component. It is unclear where and how the inflammatory component develops. To assess the role of the liver in the evolution of inflammation, we treated ApoE* 3Leiden mice with cholesterol-free ...
article 2007
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Zadelaar, A.S.M. (author), Boesten, L.S.M. (author), Jukema, J.W. (author), van Vlijmen, B.J.M. (author), Kooistra, T. (author), Emeis, J.J. (author), Lundholm, E. (author), Camejo, G. (author), Havekes, L.M. (author), Gaubius Instituut TNO (author)
OBJECTIVE - We investigated whether the dual PPARα/γ agonist tesaglitazar has anti-atherogenic effects in ApoE*3Leiden mice with reduced insulin sensitivity. METHODS AND RESULTS - ApoE*3Leiden transgenic mice were fed a high-fat (HF) insulin-resistance-inducing diet. One group received a high-cholesterol (HC) supplement (1% wt/wt; HC group). A...
article 2006
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Rein, D. (author), Schijlen, E. (author), Kooistra, T. (author), Herbers, K. (author), Verschuren, L. (author), Hall, R. (author), Sonnewald, U. (author), Bovy, A. (author), Kleemann, R. (author), TNO Kwaliteit van Leven TNO Voeding (author)
The increased consumption of fruits and vegetables is associated with reduced cardiovascular disease. The molecular basis of this health effect is not fully understood, yet dietary flavonoids are thought to play an important role. Genetic engineering has enabled us to overexpress specific flavonoids (flavones and flavonols) in tomato fruit....
article 2006
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Kooistra, T. (author), Verschuren, L. (author), van der Vries de-Weij, J. (author), Koenig, W. (author), Toet, K. (author), Princen, H.M.G. (author), Kleemann, R. (author), TNO Kwaliteit van Leven (author)
OBJECTIVE - To demonstrate, quantify, and mechanistically dissect antiatherosclerotic effects of fenofibrate besides lowering plasma cholesterol per se. METHODS AND RESULTS - ApoE*3Leiden transgenic mice received either a high-cholesterol diet (HC) or HC containing fenofibrate (HC+FF) resulting in 52% plasma cholesterol-lowering. In a separate...
article 2006
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Verschuren, L. (author), Kleemann, R. (author), Offerman, E.H. (author), Szalai, A.J. (author), Emeis, S.J. (author), Princen, H.M.G. (author), Kooistra, T. (author), TNO Kwaliteit van Leven (author)
Objective - To evaluate whether low-dose atorvastatin suppresses atherosclerotic lesion progression and inflammation in apolipoprotein E*3 (apoE*3)-Leiden mice beyond its cholesterol-lowering effect. Methods and Results - ApoE*3-Leiden mice were fed a high-cholesterol (HC) diet until mild atherosclerotic lesions had formed. Subsequently, HC diet...
article 2005
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Kleemann, R. (author), Verschuren, L. (author), de Rooij, B.J. (author), Lindeman, J. (author), de Maat, M.M. (author), Szalai, A.J. (author), Princen, H.M.G. (author), Kooistra, T. (author), Gaubius Instituut TNO (author)
Inflammatory processes, aside from cholesterol, play a central role in atherogenesis. Human C-reactive protein (huCRP) signals systemic inflammation and independently predicts future cardiovascular risk. Cholesterol-lowering statins reduce atherosclerosis and plasma huCRP levels. Evidence is sought for a direct anti-inflammatory statin effect in...
article 2004
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Gervois, P. (author), Kleemann, R. (author), Pilon, A. (author), Percevault, F. (author), Koenig, W. (author), Staels, B. (author), Kooistra, T. (author), TNO Preventie en Gezondheid (author)
The peroxisome proliferator-activated receptor α (PPARα), which is highly expressed in liver, plays key roles in lipid metabolism and inflammation. Interleukin-6 (IL-6) is the principal inducer of acute phase response (APR) gene expression. In the present study, we demonstrate that chronic treatment with the PPARα agonist fenofibrate fully...
article 2004
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Kleemann, R. (author), Princen, H.M.G. (author), Emeis, J.J. (author), Jukema, J.W. (author), Fontijn, R.D. (author), Horrevoets, A.J.G. (author), Kooistra, T. (author), Havekes, L.M. (author)
Background - Statins can exert anti-inflammatory antiatherosclerotic effects through an anti-inflammatory action, independent of lowering cholesterol. We addressed the question whether the anti-inflammatory activities of statins can reduce atherosclerosis beyond the reduction achieved by cholesterol lowering per se. Methods and Results - Two...
article 2003
Searched for: subject:"controlled%5C%2Bstudy"
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