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Corthésy-Theulaz, I. (author), den Dunnen, J.T. (author), Ferré, P. (author), Geurts, J.M.W. (author), Müller, M. (author), van Belzen, N. (author), van Ommen, B. (author), TNO Kwaliteit van Leven (author)The interaction between the human body and nutrition is an extremely complex process involving multi-organ physiology with molecular mechanisms on all levels of regulation (genes, gene expression, proteins, metabolites). Only with the recent technology push have nutritional scientists been able to address this complexity. Both the challenges and...article 2005
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- Heijne, W.H. (author), Stierum, R.H. (author), Leeman, W.R. (author), van Ommen, B. (author), TNO Kwaliteit van Leven (author) article 2005
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Rookmaaker, M.B. (author), Verhaar, M.C. (author), Loomans, C.J.M. (author), Verloop, R. (author), Peters, E. (author), Westerweel, P.E. (author), Murohara, T. (author), Staal, F.J.T. (author), van Zonneveld, A.J. (author), Koolwijk, P. (author), Rabelink, T.J. (author), van Hinsbergh, V.W.M. (author), TNO Kwaliteit van Leven (author)Objective - Emerging evidence suggests that human blood contains bone marrow (BM)-derived endothelial progenitor cells that contribute to postnatal neovascularization. Clinical trials demonstrated that administration of BM-cells can enhance neovascularization. Most studies, however, used crude cell populations. Identifying the role of different...article 2005
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Verhoeckx, K.C.M. (author), Gaspari, M. (author), Bijlsma, S. (author), van der Greef, J. (author), Witkamp, R.F. (author), Doornbos, R.P. (author), Rodenburg, R.J.T. (author), TNO Kwaliteit van Leven (author)Two-dimensional difference gel electrophoresis (DIGE) in combination with univariate (Student's t-test) and multivariate data analysis, principal component analysis (PCA) and partial least squares discriminant analysis (PLS-DA) were used to study the anti-inflammatory effects of the β2-adrenergic receptor (β2-AR) agonist zilpaterol. U937...article 2005
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Trion, A. (author), de Maat, M.P.M. (author), Jukema, J.W. (author), van der Laarse, A. (author), Maas, M.C. (author), Offerman, E.H. (author), Havekes, L.M. (author), Szalai, A.J. (author), Princen, H.M.G. (author), Emeis, J.J. (author), TNO Kwaliteit van Leven (author)Objective - C-reactive protein (CRP) has been associated with risk of cardiovascular disease. It is not clear whether CRP is causally involved in the development of atherosclerosis. Mouse CRP is not expressed at high levels under normal conditions and increases in concentration only several-fold during an acute phase response. Because the...article 2005
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Lamers, R.J.A.N. (author), van Nesselrooij, J.H.J. (author), Kraus, V.B. (author), Jordan, J.M. (author), Renner, J.B. (author), Dragomir, A.D. (author), Luta, G. (author), van der Greef, J. (author), de Groot, J. (author), TNO Kwaliteit van Leven (author)Objective: Osteoarthritis (OA) is one of the most common diseases among the elderly. The main characteristic is the progressive destruction of articular cartilage. We lack quantitative and sensitive biomarkers for OA to detect changes in the joints in an early stage of the disease. In this study, we investigated whether a urinary metabolite...article 2005
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van der Greef, J. (author), McBurney, R.N. (author), TNO Kwaliteit van Leven (author)The pharmaceutical industry is currently beleaguered by close scrutiny from the financial community, regulators and the general public. Productivity, in terms of new drug approvals, has generally been falling for almost a decade and the safety of a number of highly successful drugs has recently been brought into question. Here, we discuss...article 2005
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Belstra, B.A. (author), Flowers, W.L. (author), Croom, W.J. (author), de Groot, J. (author), See, M.T. (author), TNO Preventie en Gezondheid (author)Incomplete uterine involution is the putative cause of the increased embryo mortality and reproductive failure often exhibited by sows that lactate for less than 21 days. Since such short lactation lengths are common in American swine production, an effective technique to monitor the postpartum involution process and test this hypothesis might...article 2005
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Smilde, A.K. (author), Jansen, J.J. (author), Hoefsloot, H.C.J. (author), Lamers, R.J.A.N. (author), van der Greef, J. (author), Timmerman, M.E. (author), TNO Kwaliteit van Leven (author)Motivation: Datasets resulting from metabolomics or metabolic profiling experiments are becoming increasingly complex. Such datasets may contain underlying factors, such as time (time-resolved or longitudinal measurements), doses or combinations thereof. Currently used biostatistics methods do not take the structure of such complex datasets into...article 2005
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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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van der Greef, J. (author), TNO Kwaliteit van Leven (author)The concept of systems-based strategies in medicine is emerging, with systems pathology guiding an understanding of the multidimensional aspects of disease system fingerprints and systems pharmacology providing insight into dynamic system responses upon (multiple) drug perturbations. Knowledge of the changes of system characteristics during...article 2005
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Degenhardt, C.E.A.M. (author), Pleijsier, K. (author), van der Schans, M.J. (author), Langenberg, J.P. (author), Preston, K.E. (author), Solano, M.I. (author), Maggio, V.L. (author), Barr, J.R. (author), Prins Maurits Laboratorium TNO (author)One of the most appropriate biomarkers for the verification of organophosphorus nerve agent exposure is the conjugate of the nerve agent to butyrylcholinesterase (BuChE). The phosphyl moiety of the nerve agent can be released from the BuChE enzyme by incubation with fluoride ions, after which the resulting organophosphonofluoridate can be...article 2004
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de Groot, J. (author)Accumulation of advanced glycation endproducts (AGEs) plays a crucial part in the development of age-related diseases and diabetic complications. AGEs are formed in vivo via the so-called Maillard reaction: a reducing sugar reacts with a protein to form a labile Amadori product that is subsequently stabilized, producing an irreversible, non...article 2004
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van Herpen-Broekmans, W. (author), Klöpping-Ketelaars, I. (author), Michiel, B. (author), Cornelis, K. (author), Hans, P. (author), Hendriks, F.J. (author), Tijburg, L. (author), van Poppel, G. (author), Kardinaal, A. (author), TNO Preventie en Gezondheid (author)Background: Endothelial cell dysfunction may be related to an increase in cellular oxidative stress. Carotenoids and vitamins could have an antioxidant-mediated tempering influence on endothelial function and inflammation, thereby reducing the risk of atherosclerosis. Methods: We measured serum carotenoids, α-tocopherol and Vitamin C...article 2004
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Jansen, M.C.J.F. (author), van Kappel, A.L. (author), Ocké, M.C. (author), van 't Veer, P. (author), Boshuizen, H.C. (author), Riboli, E. (author), Bueno-de-Mesquita, H.B. (author), TNO Voeding (author)Objective: Fruit and vegetable intake is inversely associated with cancer risk in many epidemiological studies. Accurate assessment of consumption of these foods is difficult, and biomarkers of intake would overcome several drawbacks of currently used dietary assessment methods. Therefore, we investigated the relation between plasma carotenoids...article 2004
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- van Ommen, B. (author), TNO Voeding (author) article 2004
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de Graaf, C. (author), Blom, W.A.M. (author), Smeets, P.A.M. (author), Stafleu, A. (author), Hendriks, H.F.J. (author), TNO Voeding Centraal Instituut voor Voedingsonderzoek TNO (author)This review's objective is to give a critical summary of studies that focused on physiologic measures relating to subjectively rated appetite, actual food intake, or both. Biomarkers of satiation and satiety may be used as a tool for assessing the satiating efficiency of foods and for understanding the regulation of food intake and energy...article 2004
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Zagers, N.P.A. (author), van Norren, D. (author)We measured the amplitude of the directional component of the bleached fundus reflectance, the so-called optical Stiles-Crawford effect, as a function of wavelength. The directional reflectance originates from within the outer segments of the photoreceptors. Thus only two anterior absorbers are of importance: Macular pigment and the crystalline...article 2004
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van der Greef, J. (author), Stroobant, P. (author), van der Heijden, R. (author), TNO Voeding (author)Medical systems biology has generated widespread interest because of its bold conception and exciting potential, but the field is still in its infancy. Although there has been tremendous progress achieved recently in generating, integrating and analysing data in the medical and pharmaceutical field, many challenges remain, especially with...article 2004
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'T Hart, B.A. (author), Vogels, J. (author), Bauer, J. (author), Brok, H.P.M. (author), Blezer, E. (author), TNO Voeding (author)Early recognition of whether a product has potential as a new therapy for treating multiple sclerosis (MS) relies upon the quality of the animal models used in the preclinical trials. The promising effects of new treatments in rodent models of experimental autoimmune encephalomyelitis (EAE) have rarely been reproduced in patients suffering from...article 2004