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Manders, R.J. (author), Koopman, R. (author), Sluijsmans, W.E. (author), van den Berg, R. (author), Verbeek, K. (author), Saris, W.H. (author), Wagenmakers, A.J. (author), van Loon, L.J. (author), TNO Kwaliteit van Leven (author)This study examined postprandial plasma insulin and glucose responses after co-ingestion of an insulinotropic protein (Pro) hydrolysate with and without additional free leucine with a single bolus of carbohydrate (Cho). Male patients with long-standing Type 2 diabetes (n = 10) and healthy controls (n = 10) participated in 3 trials in which...article 2006
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van Weel, V. (author), de Vries, M. (author), Voshol, P.J. (author), Verloop, R.E. (author), Eilers, P.H.C. (author), van Hinsbergh, V.W.M. (author), van Bockel, J.H. (author), Quax, P.H.A. (author), TNO Kwaliteit van Leven (author)OBJECTIVE - Collateral artery development (arteriogenesis), a vital compensatory mechanism in patients with arterial obstructive disease, may be deregulated by vascular risk factors, eg, diabetes or hypercholesterolemia. Here, we compared the effects of either disturbed glucose metabolism or disturbed lipid metabolism on arteriogenesis. METHODS...article 2006
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- de Roos, B. (author), Duivenvoorden, I. (author), Rucklidge, G. (author), Reid, M. (author), Ross, K. (author), Lamers, R.J.A.N. (author), Voshol, P.J. (author), Havekes, L.M. (author), Teusink, B. (author), TNO Kwaliteit van Leven (author) article 2005
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Smeets, P.A.M. (author), de Graaf, C. (author), Stafleu, A. (author), van Osch, M.J.P. (author), van der Grond, J. (author), TNO Kwaliteit van Leven (author)Background: Evidence exists that beverages do not trigger appropriate anticipatory physiologic responses, such as cephalic phase insulin release. Therefore, it is of interest to elucidate the food properties necessary for triggering adaptive responses. Previously, we found a prolonged dose-dependent decrease in the hypothalamic functional...article 2005
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Heijboer, A.C. (author), van den Hoek, A.M. (author), Pijl, H. (author), Voshol, P.J. (author), Havekes, L.M. (author), Romijn, J.A. (author), Corssmit, E.P.M. (author), TNO Kwaliteit van Leven (author)Aims/hypothesis: The present study was conducted to evaluate the effects of central administration of melanotan II (MTII), a melanocortin-3/4 receptor agonist, on hepatic and whole-body insulin sensitivity, independent of food intake and body weight. Methods: Over a period of 24 h, 225 ng of MTII was injected in three aliquots into the left...article 2005
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Wykretowicz, A. (author), Guzik, P. (author), Bartkowiak, G. (author), Krauze, T. (author), Kasinowski, R. (author), Dziarmaga, M. (author), Wesseling, K.H. (author), Wysocki, H. (author), TNO Biomedical Instrumentation (author)Endothelial dysfunction and reduced BRS (baroreflex sensitivity) may be present in patients with CAD (coronary artery disease). The normal fasting glucose level does not exclude abnormal glucose metabolism in patients with CAD. The aim of present study was to evaluate endothelial function and BRS according to glucose metabolism in patients with...article 2005
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TNO Kwaliteit van Leven (author), Grefhorst, A. (author), van Dijk, T.H. (author), Hammer, A. (author), van der Sluijs, F.H. (author), Havinga, R. (author), Havekes, L.M. (author), Romijn, J.A. (author), Groot, P.H. (author), Reijngoud, D.J. (author), Kuipers, F. (author)Liver X receptor (LXR) agonists have been proposed to act as anti-diabetic drugs. However, pharmacological LXR activation leads to severe hepatic steatosis, a condition usually associated with insulin resistance and type 2 diabetes mellitus. To address this apparent contradiction, lean and ob/ob mice were treated with the LXR agonist GW-3965 for...article 2005
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Blom, W.A.M. (author), Stafleu, A. (author), de Graaf, C. (author), Kok, F.J. (author), Schaafsma, G. (author), Hendriks, H.F.J. (author), TNO Kwaliteit van Leven (author)Background: Ghrelin plays an important role in the regulation of food intake. Little is known about how ghrelin concentrations are modified by dietary factors. Objective: We examined the effects of both amount and type of carbohydrate on ghrelin concentrations and all correlations among the variables ghrelin, glucose, insulin, leptin, and all 4...article 2005
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TNO Kwaliteit van Leven (author), Heijboer, A.C. (author), Donga, E. (author), Voshol, P.J. (author), Dang, Z.C. (author), Havekes, L.M. (author), Romijn, J.A. (author), Corssmit, E.P.M. (author)Fasting readily induces hepatic steatosis. Hepatic steatosis is associated with hepatic insulin resistance. The purpose of the present study was to document the effects of 16 h of fasting in wild-type mice on insulin sensitivity in liver and skeletal muscle in relation to 1) tissue accumulation of triglycerides (TGs) and 2) changes in mRNA...article 2005
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- van Dam, R.M. (author), Pasman, W.J. (author), Verhoef, P. (author), TNO Voeding (author) article 2004
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TNO Voeding Centraal Instituut voor Voedingsonderzoek TNO (author), Markus, C.R. (author), Sierksma, A. (author), Verbeek, C. (author), van Rooijen, J.J.M. (author), Patel, H.J. (author), Brand, A.N. (author), Hendriks, H.F.J. (author)Brain serotonin (5-HT) synthesis is controlled by nutrients that influence the availability of plasma tryptophan (Trp) as compared with the sum of the other large neutral amino acids (LNAA; Trp:LNAA). Alcohol consumption is found to change mood and performance and this might well be due to alterations in the plasma Trp:LNAA ratio and brain 5-HT....article 2004
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Gaubius Instituut TNO (author), Muurling, M. (author), van den Hoek, A.M. (author), Mensink, R.P. (author), Pijl, H. (author), Romijn, J.A. (author), Havekes, L.M. (author), Voshol, P.J. (author)Obese obob mice with strong overexpression of the human apolipoprotein C1 (APOC1) exhibit excessive free fatty acid (FFA) and triglyceride (TG) levels and severely reduced body weight (due to the absence of subcutaneous adipose tissue) and skin abnormalities. To evaluate the effects of APOC1 overexpression on hepatic and peripheral insulin...article 2004
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Voshol, P.J. (author), Haemmerle, G. (author), Ouwens, D.M. (author), Zimmermann, R. (author), Zechner, R. (author), Teusink, B. (author), Maassen, J.A. (author), Havekes, L.M. (author), Romijn, J.A. (author)Hormone-sensitive lipase (HSL) is a major enzyme for triglyceride (TG) lipolysis in adipose tissue. In HSL-knockout mice, plasma free fatty acid and TG levels are low, associated with low liver TG content. Because a decreased hepatic insulin sensitivity has been reported to be associated with high liver TG levels, our aim was to determine...article 2003
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Witte, D.R. (author), Broekmans, W.M.R. (author), Kardinaal, A.F.M. (author), Klöpping-Ketelaars, I.A.A. (author), van Poppel, G. (author), Bots, M.L. (author), Kluft, C. (author), Princen, J.M.G. (author), Centraal Instituut voor Voedingsonderzoek TNO TNO Voeding (author)Background: Flow mediated dilatation (FMD) of the brachial artery and soluble intercellular adhesion molecule 1 (sICAM-1) are measures of distinct functions of the endothelium, reflecting nitric oxide (NO)-mediated and pro-inflammatory status, respectively. The comparative value of the two measures in relation to cardiovascular risk is unknown....article 2003
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Pasman, W.J. (author), Blokdijk, V.M. (author), Bertina, F.M. (author), Hopman, W.P.M. (author), Hendriks, H.F.J. (author)OBJECTIVE: To study the effect of simple vs complex carbohydrates (SCHO and CCHO respectively) containing breakfasts on blood parameters, hunger and satiety and mood. DESIGN: A 2-day, open, randomised, cross-over trial. SUBJECTS: A total of 26 male subjects (34±6y; BMI 23.4±2.2 kg m-2). MEASUREMENTS: Blood glucose, insulin, triacylglycerols (TG)...article 2003
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Steenge, G.R. (author), Verhoef, P. (author), Katan, M.B. (author)Elevated levels of plasma total homocysteine are associated with a higher risk of cardiovascular disease. Betaine and 5-methyltetrahydrofolate can remethylate homocysteine into methionine via independent reactions. We determined the effect of daily betaine supplementation, compared with both folic acid and placebo, on plasma concentrations of...article 2003
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Gaubius Instituut TNO (author), Goudriaan, J.R. (author), Dahlmans, V.E.H. (author), Teusink, B. (author), Ouwens, D.M. (author), Febbraio, M. (author), Maassen, J.A. (author), Romijn, J.A. (author), Havekes, L.M. (author), Voshol, P.J. (author)CD36 (fatty acid translocase) is involved in high-affinity peripheral fatty acid uptake. Mice lacking CD36 exhibit increased plasma free fatty acid and triglyceride (TG) levels and decreased glucose levels. Studies in spontaneous hypertensive rats lacking functional CD36 link CD36 to the insulin-resistance syndrome. To clarify the relationship...article 2003
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Muurling, M. (author), Jong, M.C. (author), Mensink, R.P. (author), Hornstra, G. (author), Dahlmans, V.E.H. (author), Pijl, H. (author), Voshol, P.J. (author), Havekes, L.M. (author), Gaubius Instituut TNO (author)Previous studies have shown that energy restriction (ER) or low-fat (LF) diets have beneficial effects on high-fat (HF) diet-induced obesity and non-insulin-dependent diabetes. However, comparison between ER and low-fat diet regarding the effect on insulin resistance and lipid metabolism has not been reported. After inducing insulin resistance...article 2002
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Lina, B.A.R. (author), Jonker, D. (author), Kozianowski, G. (author), Instituut CIVO-Toxicologie en Voeding TNO (author)Isomaltulose is a natural occurring disaccharide composed of α-1,6-linked glucose and fructose. Commercial isomaltulose is produced from sucrose by enzymatic rearrangement and has been used as a sugar in Japan since 1985. It is particularly suitable as a non-cariogenic sucrose replacement and is favorable in products for diabetics and...article 2002
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Gerritsen, M. (author), Jansen, J.A. (author), Kros, A. (author), Vriezema, D.M. (author), Sommerdijk, N.A.J.M. (author), Nolte, R.J.M. (author), Lutterman, J.A. (author), van Hövell, S.W.F.M. (author), van der Gaag, A. (author), Centraal Instituut voor Voedingsonderzoek TNO (author)The objective of this investigation was to evaluate the influence of polymorphonuclear granulocytes on the performance of uncoated and cellulose acetate/Nafion® coated amperometric glucose sensors in vitro. The response of these sensors was also investigated in serum. Uncoated and coated sensors showed lower sensitivities to glucose, with a...article 2001