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Keijser, B.J.F. (author), Agamennone, V. (author), van den Broek, T.J. (author), Caspers, M. (author), van de Braak, A. (author), Bomers, R. (author), Havekes, M. (author), Schoen, E. (author), van Baak, M. (author), Mioch, D. (author), Bomers, L. (author), Montijn, R.C. (author)
Background: Antibiotic therapy is commonly used in animal agriculture. Antibiotics excreted by the animals can contaminate farming environments, resulting in long term exposure of animals to sub-inhibitory levels of antibiotics. Little is known on the effect of this exposure on antibiotic resistance. In this study, we aimed to investigate the...
article 2019
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Kühnast, S. (author), van der Tuin, S.J.L. (author), van der Hoorn, J.W.A. (author), van Klinken, J.B. (author), Simic, B. (author), Pieterman, E. (author), Havekes, L.M. (author), Landmesser, U. (author), Lüscher, T.F. (author), van Dijk, K.W. (author), Rensen, P.C.N. (author), Jukema, J.W. (author), Princen, H.M.G. (author)
Background The residual risk that remains after statin treatment supports the addition of other LDL-C-lowering agents and has stimulated the search for secondary treatment targets. Epidemiological studies propose HDL-C as a possible candidate. Cholesteryl ester transfer protein (CETP) transfers cholesteryl esters from atheroprotective HDL to...
article 2015
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Kooijman, S. (author), Meurs, I. (author), van der Stoep, M. (author), Habets, K.L. (author), Lammers, B. (author), Berbée, J.F.P. (author), Havekes, L.M. (author), van Eck, M. (author), Romijn, J.A. (author), Korporaal, S.J.A. (author), Rensen, P.C.N. (author)
Summary: Background: The autonomic nervous system attenuates inflammation through activation of the α7 nicotinic acetylcholine receptor (α7nAChR), a pathway termed the cholinergic anti-inflammatory reflex. Interestingly, α7nAChR is expressed on immune cells and platelets, both of which play a crucial role in the development of atherosclerosis....
article 2015
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Liang, W. (author), Verschuren, L. (author), Mulder, P. (author), van der Hoorn, J.W.A. (author), Verheij, J. (author), van Dam, A.D. (author), Boon, M.R. (author), Princen, H.M.G. (author), Havekes, L.M. (author), Kleemann, R. (author), van den Hoek, A.M. (author)
BACKGROUND AND PURPOSE: Salsalate (salicylsalicylic acid) is an anti-inflammatory drug that was recently found to exert beneficial metabolic effects on glucose and lipid metabolism. Although its utility in the prevention and management of a wide range of vascular disorders, including type 2 diabetes and metabolic syndrome has been suggested...
article 2015
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van der Tuin, S.J. (author), Kühnast, S. (author), Berbée, J. (author), Verschuren, L. (author), Pieterman, E.J. (author), Havekes, L.M. (author), van der Hoorn, J.W. (author), Rensen, P.C. (author), Jukema, J.W. (author), Princen, H.M. (author), Willems van Dijk, K. (author), Wang, Y. (author)
Recently, we showed in APOE*3-Leiden.CETP mice that anacetrapib attenuated atherosclerosis development by reducing (V)LDL-C rather than by raising HDL-C. Here, we investigated the mechanism by which anacetrapib reduces (V)LDL-C and whether this effect was dependent on the inhibition of CETP. APOE*3-Leiden.CETP mice were fed a Western type diet...
article 2015
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Berbeé, J.F.P. (author), Boon, M.R. (author), Khedoe, P.P.S.J. (author), Bartelt, A. (author), Schlein, C. (author), Worthmann, A. (author), Kooijman, S. (author), Hoeke, G. (author), Mol, I.M. (author), John, C. (author), Jung, C. (author), Vazirpanah, N. (author), Brouwers, L.P.J. (author), Gordts, P.L.S.M. (author), Esko, J.D. (author), Hiemstra, P.S. (author), Havekes, L.M. (author), Scheja, L. (author), Heeren, J. (author), Rensen, P.C.N. (author)
Brown adipose tissue (BAT) combusts high amounts of fatty acids, thereby lowering plasma triglyceride levels and reducing obesity. However, the precise role of BAT in plasma cholesterol metabolism and atherosclerosis development remains unclear. Here we show that BAT activation by b3-adrenergic receptor stimulation protects from atherosclerosis...
article 2015
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Geerling, J.J. (author), Boon, M.R. (author), van der Zon, G.C. (author), van den Berg, S.A.A. (author), van den Hoek, A.M. (author), Lombès, M. (author), Princen, H.M.G. (author), Havekes, L.M. (author), Rensen, P.C.N. (author), Guigas, B. (author)
Metformin is the first-line drug for the treatment of type 2 diabetes. Besides its well-characterized antihyperglycemic properties, metformin also lowers plasma VLDL triglyceride (TG). In this study, we investigated the underlying mechanisms in APOE*3-Leiden.CETP mice, a well-established model for human-like lipoprotein metabolism. We found that...
article 2014
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Guigas, B. (author), de Leeuw van Weenen, J.E. (author), van Leeuwen, N. (author), Simonis-Bik, A.M. (author), van Haeften, T.W. (author), Nijpels, G. (author), Houwing-Duistermaat, J.J. (author), Beekman, M. (author), Deelen, J. (author), Havekes, L.M. (author), Penninx, B.W.J.H. (author), Vogelzangs, N. (author), van 't Riet, E. (author), Dehghan, A. (author), Hofman, A. (author), Witteman, J.C. (author), Uitterlinden, A.G. (author), Grarup, N. (author), Jørgensen, T. (author), Witte, D.R. (author), Lauritzen, T. (author), Hansen, T. (author), Pedersen, O. (author), Hottenga, J. (author), Romijn, J.A. (author), Diamant, M. (author), Kramer, M.H.H. (author), Heine, R.J. (author), Willemsen, G. (author), Dekker, J.M. (author), Eekhoff, E.M. (author), Pijl, H. (author), de Geus, E.J. (author), Slagboom, P.E. (author), 't Hart, L.M. (author)
Aims: Modulation of dopamine receptor D2 (DRD2) activity affects insulin secretion in both rodents and isolated pancreatic β-cells. We hypothesized that single nucleotide polymorphisms in the DRD2/ANKK1 locus may affect susceptibility to Type 2 diabetes in humans. Methods: Four potentially functional variants in the coding region of the DRD2...
article 2014
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Geerling, J.J. (author), Boon, M.R. (author), Kooijman, S. (author), Parlevliet, E.T. (author), Havekes, L.M. (author), Romijn, J.A. (author), Meurs, I.M. (author), Rensen, P.C.N. (author)
Abstract Important players in triglyceride (TG) metabolism include the liver (production), white adipose tissue (WAT) (storage), heart and skeletal muscle (combustion to generate ATP), and brown adipose tissue (BAT) (combustion toward heat), the collective action of which determine plasma TG levels. Interestingly, recent evidence points to a...
article 2014
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Heemskerk, M.M. (author), van den Berg, S.A. (author), Pronk, A.C.M. (author), van Klinken, J.B. (author), Boon, M.R. (author), Havekes, L.M. (author), Rensen, P.C.N. (author), Willems van Dijk, K. (author), van Harmelen, V. (author)
The lipid-lowering effect of niacin has been attributed to the inhibition of cAMP production in adipocytes, thereby inhibiting intracellular lipolysis and release of nonesterified fatty acids (NEFA) to the circulation. However, long-term niacin treatment leads to a normalization of plasma NEFA levels and induces insulin resistance, for which the...
article 2014
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van den Hoek, A.M. (author), van der Hoorn, J.W.A. (author), Maas, A.C. (author), van den Hoogen, R.M. (author), van Nieuwkoop, A. (author), Droog, S. (author), Offerman, E.H. (author), Pieterman, E.J. (author), Havekes, L.M. (author), Princen, H.M.G. (author)
Aims: This study aimed to investigate systematically (i) the appropriate dietary conditions to induce the features of the MetS in APOE*3Leiden.humanCholesteryl Ester Transfer Protein (E3L.CETP) mice and (ii) whether the response of this model to different antidiabetic and hypolipidemic drugs is similar as in humans. Methods: Male obese, IR and...
article 2014
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Liang, W. (author), Lindeman, J.H. (author), Menke, A.L. (author), Koonen, D.P. (author), Morrison, M. (author), Havekes, L.M. (author), van den Hoek, A.M. (author), Kleemann, R. (author)
The nature of the chronic inflammatory component that drives the development of non-alcoholic steatohepatitis (NASH) is unclear and possible inflammatory triggers have not been investigated systematically. We examined the effect of non-metabolic triggers (lipopolysaccharide (LPS), interleukin-1β (IL-1β), administered by slow-release minipumps)...
article 2014
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Schavemaker, J.G.M. (author), Thomas, E.D.R. (author), Havekes, A. (author)
In this contribution we present a method to classify segments of gorilla videos1 in different affective categories. The classification method is trained by crowd sourcing affective annotation. The trained classification then uses video features (computed from the video segments) to classify a new video segment into one of different affective...
conference paper 2014
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Kooijman, S. (author), Boon, M.R. (author), Parlevliet, E.T. (author), Geerling, J.J. (author), van de Pol, V. (author), Romijn, J.A. (author), Havekes, L.M. (author), Meurs, I. (author), Rensen, P.C.N. (author)
The melanocortin system is an important regulator of energy balance, and melanocortin 4 receptor (MC4R) deficiency is the most common monogenic cause of obesity. We investigated whether the relationship between melanocortin system activity and energy expenditure (EE) is mediated by brown adipose tissue (BAT) activity. Therefore, female APOE∗3...
article 2014
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Liang, W. (author), Menke, A.L. (author), Driessen, A. (author), Koek, G.H. (author), Lindeman, J.H. (author), Stoop, R. (author), Havekes, L.M. (author), Kleemann, R. (author), van den Hoek, A.M. (author)
Results: The criteria macrovesicular steatosis, microvesicular steatosis, hepatocellular hypertrophy, inflammation and fibrosis were generally applicable to rodent NAFLD. The inter-observer reproducibility (evaluated using the Intraclass Correlation Coefficient) between the ten observers was high for the analysis of macrovesicular steatosis and...
article 2014
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Bakker, L.E.H. (author), Boon, M.R. (author), van der Linden, R.A.D. (author), Arias-Bouda, L.P. (author), van Klinken, J.B. (author), Smit, F. (author), Verberne, H.J. (author), Jukema, J.W. (author), Tamsma, J.T. (author), Havekes, L.M. (author), van Marken Lichtenbelt, W.D. (author), Jazet, I.M. (author), Rensen, P.C.N. (author)
Background: Individuals of south Asian origin have a very high risk of developing type 2 diabetes compared with white Caucasians. We aimed to assess volume and activity of brown adipose tissue (BAT), which is thought to have a role in energy metabolism by combusting fatty acids and glucose to produce heat and might contribute to the difference...
article 2014
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Wang, Y. (author), Parlevliet, E.T. (author), Geerling, J.J. (author), van der Tuin, S.J.L. (author), Zhang, H. (author), Bieghs, V. (author), Jawad, A.H.M. (author), Shiri-Sverdlov, R. (author), Bot, I. (author), de Jager, S.C.A. (author), Havekes, L.M. (author), Romijn, J.A. (author), Willems Van Dijk, K. (author), Rensen, P.C.N. (author)
Background and Purpose The aetiology of inflammation in the liver and vessel wall, leading to non-alcoholic steatohepatitis (NASH) and atherosclerosis, respectively, shares common mechanisms including macrophage infiltration. To treat both disorders simultaneously, it is highly important to tackle the inflammatory status. Exendin-4, a glucagon...
article 2014
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Boon, M.R. (author), Kooijman, S. (author), van Dam, A.D. (author), Pelgrom, L.R. (author), Berbée, J.F.P. (author), Visseren, C.A.R. (author), van Aggele, R.C. (author), van den Hoek, A.M. (author), Sips, H.C.M. (author), Lombès, M. (author), Havekes, L.M. (author), Tamsma, J.T. (author), Guigas, B. (author), Meijer, O.C. (author), Jukema, J.W. (author), Rensen, P.C.N. (author)
The endocannabinoid system is an important player in energy metabolism by regulating appetite, lipolysis, and energy expenditure. Chronic blockade of the cannabinoid 1 receptor (CB1R) leads to long-term maintenance of weight loss and reduction of dyslipidemia in experimental and human obesity. The molecular mechanism by which CB1R blockade...
article 2014
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Gautier, T. (author), de Haan, W. (author), Grober, J. (author), Ye, D. (author), Bahr, M.J. (author), Claudel, T. (author), Nijstad, N. (author), van Berkel, T.J. (author), Havekes, L.M. (author), Manns, M.P. (author), Willems, S.M. (author), Hogendoorn, P.C. (author), Lagrost, L. (author), Kuipers, F. (author), van Eck, M. (author), Rensen, P.C. (author), Tietge, U.J. (author)
Cholesteryl ester transfer protein (CETP) activity results in a proatherogenic lipoprotein profi le. In cholestatic conditions, farnesoid X receptor (FXR) signaling by bile acids (BA) is activated and plasma HDL cholesterol (HDL-C) levels are low. This study tested the hypothesis that FXR-mediated induction of CETP contributes to this phenotype....
article 2013
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van den Berg, S.A.A. (author), Heemskerk, M.M. (author), Geerling, J.J. (author), van Klinken, J.B. (author), Schaap, F.G. (author), Bijland, S. (author), Berbée, J.F.P. (author), van Harmelen, V.J.A. (author), Pronk, A.C.M. (author), Schreurs, M. (author), Havekes, L.M. (author), Rensen, P.C.N. (author), van Dijk, K.W. (author)
Mutations in apolipoprotein A5 (APOA5) have been associated with hypertriglyceridemia in humans and mice. This has been attributed to a stimulating role for APOA5 in lipoprotein lipase-mediated triglyceride hydrolysis and hepatic clearance of lipoprotein remnant particles. However, because of the low APOA5 plasma abundance, we investigated an...
article 2013
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