Searched for: subject:"controlled%5C+study"
(1 - 20 of 1,610)

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Parnham, M.J. (author), Bogaards, J.J.P. (author), Schrander, F. (author), Schut, M.W. (author), Orešković, K. (author), Mildner, B. (author), TNO Kwaliteit van Leven (author)
PLD-118 is a novel, oral antifungal drug, under development for the treatment of Candida infections. Possible metabolism of PLD-118 by rat, dog and human S9 liver homogenates and inhibition of human cytochrome P450 (CYP) enzymes were investigated. PLD-118 (10 and 100 μm) incubated for 0-60 min with S9 fractions and NADPH was determined by HPLC,...
article 2005
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van Weerden, E.J. (author), Huisman, J. (author)
In a study with twelve pigs of 60-70 kg live weight provided with a re-entrant cannula at the end of the ileum, and twelve intact, non-cannulated pigs, the fate of dietary doses of 100 and 200 g isomalt/kg during gastrointestinal passage was examined. From sugar analyses in ileal chyme it was calculated that 0.43 and 0.30 of the isomalt consumed...
article 1993
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Hennis, B.C. (author), Boomsma, D.I. (author), van Boheemen, P.A. (author), Engesser, L. (author), Kievit, P. (author), Dooijewaard, G. (author), Kluft, C. (author), TNO Preventie en Gezondheid (author)
A pedigree-based maximum likelihood method developed by Lange et al. (12) was used to study the contribution of a newly defined di-allelic polymorphism in histidine-rich glycoprotein (HRG) to the plasma levels of HRG. In four families (n = 99) and 20 volunteers we found a heritability of 70%, an age effect of 3% and an effect of individual...
article 1995
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Portengen, L. (author), Preller, L. (author), Tielen, M. (author), Doekes, G. (author), Heederik, D. (author), TNO Kwaliteit van Leven (author)
Background: Recent studies have reported a low prevalence of atopic sensitization and respiratory allergy in children growing up on farms. Objectives: We sought to evaluate the dose-response relationship between endotoxin and atopic sensitization in adult farmers and to assess the effect on respiratory health outcomes. Methods: Data on endotoxin...
article 2005
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Virtanen, S.M. (author), van 't Veer, P. (author), Kok, F. (author), Kardinaal, A.F.M. (author), Aro, A. (author), EURAMIC Study Group (author), Centraal Instituut voor Voedingsonderzoek TNO (author)
Objective: To evaluate the levels of adipose tissue alpha-tocopherol, gamma-tocopherol, and toenail selenium and their determinants. Design: Control subjects from multicentre case-control study on antioxidants, myocardial infarction and cancer of the breast. Subjects and setting: 686 male and 339 female middle-aged and elderly subjects from...
article 1996
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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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Ceconi, C. (author), Fox, K.M. (author), Remme, W.J. (author), Simoons, M.L. (author), Deckers, J.W. (author), Bertrand, M. (author), Parrinello, G. (author), Kluft, C. (author), Blann, A. (author), Cokkinos, D. (author), Ferrari, R. (author), TNO Kwaliteit van Leven (author)
The PERTINENT study measured biomarkers of atherosclerosis and thrombosis in a stable coronary artery disease population from EUROPA receiving ACE inhibition with perindopril 8 mg/day or placebo. Biomarkers of inflammation, C-reactive protein (CRP), fibrinogen, and tumor necrosis factor-alpha (TNF-α), and a biomarker of thrombosis, d-dimer, were...
article 2009
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Lotens, W.A. (author), Instituut voor Zintuigfysiologie TNO (author)
The effect of geometric factors on insulation was calculated mathematically for standing humans. It was found that internal radiative heat transfer in an ensemble was significant for insulation, that intrinsic clothing insulation is a useful concept only for indoor climates, and that shape plays a minor role. The literature agrees closely on...
article 1989
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Fabriek, B.O. (author), Møller, H.J. (author), Vloet, R.P.M. (author), van Winsen, L.M. (author), Hanemaaijer, R. (author), Teunissen, C.E. (author), Uitdehaag, B.M.J. (author), van den Berg, T.K. (author), Dijkstra, C.D. (author), TNO Kwaliteit van Leven (author)
The scavenger receptor CD163 is selectively expressed on tissue macrophages and human monocytes. CD163 has been implicated to play a role in the clearance of hemoglobin and in the regulation of cytokine production by macrophages. Membrane CD163 can be cleaved by matrix metalloproteinases (MMP) resulting in soluble CD163 (sCD163). In the present...
article 2007
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Hoeksma, M. (author), van Rijn, M. (author), Verkerk, P.H. (author), Bosch, A.M. (author), Mulder, M.F. (author), de Klerk, J.B.C. (author), de Koning, T.J. (author), Rubio-Gozalbo, E. (author), de Vries, M. (author), Sauer, P.J.J. (author), van Spronsen, F.J. (author), TNO Preventie en Gezondheid (author)
In a previous study, Dutch children with phenylketonuria (PKU) were found to be slightly shorter than their healthy counterparts. In the literature, it has been hypothesized that a higher protein intake is necessary to optimize growth in PKU patients. The study aimed to investigate whether protein intake (total, natural and protein substitute)...
article 2005
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van der Burg, B. (author), Pieterse, B. (author), Rorije, E. (author), Lewin, G. (author), van der Linden, S.C. (author), Man, H.Y. (author), Piersma, A.H. (author), Mangelsdorf, I. (author), Wolterbeek, A.P.M. (author), Kroese, E.D. (author), van Vugt-Lussenburg, B.M.A. (author)
There is a great need for alternative testing methods for reproductive toxicants that are practical, fast, cost-effective and easy to interpret. Previously we followed a pragmatic approach using readily available tests, which was successful in predicting reproductive toxicity of chemicals [13]. This initial battery still contained apical tests...
article 2015
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Braakhuis, B.J.M. (author), Klaassen, I. (author), van der Leede, B.M. (author), Cloos, J. (author), Brakenhoff, R.H. (author), Copper, M.P. (author), Teerlink, T. (author), Hendriks, H.F.J. (author), van der Saag, P.T. (author), Snow, G.B. (author), Centraal Instituut voor Voedingsonderzoek TNO (author)
Retinoids can reverse potentially premalignant lesions and prevent second primary tumours in patients with head and neck squamous cell carcinoma (HNSCC). Furthermore, it has been reported that acquired resistance to all-trans retinoic acid (RA) in leukaemia is associated with decreased plasma peak levels, probably the result of enhanced retinoid...
article 1997
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Kienhuis, A.S. (author), Wortelboer, H.M. (author), Hoflack, J.C. (author), Moonen, E.J. (author), Kleinjans, J.C.S. (author), van Ommen, B. (author), van Delft, J.H.M. (author), Stierum, R.H. (author), TNO Kwaliteit van Leven (author)
Sandwich-cultured primary rat hepatocytes are often used as an in vitro model in toxicology and pharmacology. However, loss of liver-specific functions, in particular, the decline of cytochrome P450 (P450) enzyme activity, limits the value of this model for prediction of in vivo toxicity. In this study, we investigated whether a hepatic in vitro...
article 2006
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Reijneveld, S.A. (author), Harland, P. (author), Brugman, E. (author), Verhulst, F.C. (author), Verloove-Vanhorick, S.P. (author)
Background This study aims to examine a) the prevalence of psychosocial problems and b) the association between parent-reported problems and the identification by doctors and nurses (child health professionals, CHP) working in preventive child health care, among immigrant and non-immigrant children. Methods CHPs examined 4,098 children aged 5...
article 2005
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Peretz, C. (author), de Pater, N. (author), de Monchy, J. (author), Oostenbrink, J. (author), Heederik, D. (author), TNO Kwaliteit van Leven (author)
Objectives: Dust and wheat-allergen exposure were assessed among bakers, flour millers, and bakery-ingredient producers, and the risk for sensitization was studied. Methods: About 520 inhalable dust and wheat- allergen measurements were made among 270 Dutch workers. Data on sensitization to wheat and common allergens (atopy) were also available....
article 2005
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van Noort, J.M. (author), Bsibsi, M. (author), Gerritsen, W.H. (author), van der Valk, P. (author), Bajramovic, J.J. (author), Steinman, L. (author), Amor, S. (author), TNO Kwaliteit van Leven (author)
We present the first comparative analysis of serum immunoglobulinG reactivity profiles against the full spectrum of human myelin-associated proteins in multiple sclerosis patients and healthy control subjects. In both groups, serum antibodies display a consistent and prominent reaction to αB-crystallin (CRYAB) versus other myelin proteins. As an...
article 2010
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Visser, J. (author), Lentjes, E. (author), Haspels, I. (author), Graffelman, W. (author), Blauw, B. (author), de Kloet, R. (author), Nagelkerken, L. (author), TNO Preventie en Gezondheid (author)
Background: In this study we tested the hypothesis that the increased sensitivity to glucocorticoids in chronic fatigue syndrome (CFS)-patients can be attributed to an altered functioning of their glucocorticoid receptors (GR). Methods: For this purpose, affinity and distribution of the GR were studied in purified, peripheral blood mononuclear...
article 2001
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van Raaij, J.A.G.M. (author), Kaptein, E. (author), Visser, T.J. (author), van den Berg, K.J. (author), Medisch Biologisch Laboratorium TNO (author)
Metabolism of thyroid hormones was investigated in WAG/MBL rats that had been exposed to hexachlorobenzene (HCB). Serum thyroxine (T4) levels were lowered by 35.5%, whereas triiodothyronine (T3) levels were not changed. Bile flow, as well as T4 excretion in bile were increased by HCB treatment. Analysis of bile by HPLC revealed a more than 3...
article 1993
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Artola-Garicano, E. (author), Sinnige, T.L. (author), van Holsteijn, I. (author), Vaes, W.H.J. (author), Hermens, J.L.M. (author)
In the current study, the bioconcentration behavior and acute toxicity of two polycyclic musks, Tonalide® 7-acetyl-1,1,3,4,4,6,-hexamethyl-1,2,3,4,-tetrahydronaphthalene (AHTN) and Galaxolide® 1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexa-methyl-cyclopenta[γ]-2- benzopyran (HHCB), were studied in two benthic organisms. Polycyclic musks are frequently...
article 2003
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Maas, W.J.M. (author), Leeman, W.R. (author), Groten, J.P. (author), van de Sandt, J.J.M. (author), Centraal Instituut voor Voedingsonderzoek TNO (author)
Precision-cut liver slices are frequently used to study hepatic toxicity and metabolism of xenobiotics in vitro. Successful cryopreservation techniques will enhance an efficient and economic use of scarcely available (human) liver tissue. For primary hepatocytes, slow freezing has been accepted as the best approach towards successful...
article 2000
Searched for: subject:"controlled%5C+study"
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