- document
-
Komninos, D. (author), Ramos, L. (author), van der Heijden, G.W. (author), Morrison, M.C. (author), Kleemann, R. (author), van Herwaarden, A.E. (author), Kiliaan, A.J. (author), Arnoldussen, I.A.C. (author)Obesity can disturb spermatogenesis and subsequently affect male fertility and reproduction. In our study, we aim to elucidate at which cellular level of adult spermatogenesis the detrimental effects of obesity manifest. We induced high fat diet (HFD) obesity in low-density lipoprotein receptor knock-out Leiden (Ldlr−/−.Leiden) mice, and studied...article 2022
- document
-
Remels, A.H.V. (author), Derks, W.J.A. (author), Cillero-Pastor, B. (author), Verhees, K.J.P. (author), Kelders, M.C. (author), Heggermont, W. (author), Carai, P. (author), Summer, G. (author), Ellis, S.R. (author), de Theije, C.C. (author), Heeren, R.M.A. (author), Heymans, S. (author), Papageorgiou, A.P. (author), van Bilsen, M. (author)Acute viral myocarditis (VM), characterised by leukocyte infiltration and dysfunction of the heart, is an important cause of sudden cardiac death in young adults. Unfortunately, to date, the pathological mechanisms underlying cardiac failure in VM remain incompletely understood. In the current study, we investigated if acute VM leads to cardiac...article 2018
- document
-
Botschuijver, S. (author), Roeselers, G. (author), Levin, E. (author), Jonkers, D.M. (author), Welting, O. (author), Heinsbroek, S.E.M. (author), de Weerd, H.H. (author), Boekhout, T. (author), Fornai, M. (author), Masclee, A.A. (author), Schuren, F.H.J. (author), de Jonge, W.J. (author), Seppen, J. (author), van den Wijngaard, R.M. (author)Background & Aims Visceral hypersensitivity is one feature of irritable bowel syndrome (IBS). Bacterial dysbiosis might be involved in the activation of nociceptive sensory pathways, but there have been few studies of the role of the mycobiome (the fungal microbiome) in the development of IBS. We analyzed intestinal mycobiomes of patients with...article 2017
- document
-
A microsimulation model for the development and progression of chronic obstructive pulmonary diseaseTan, E. (author), Boessen, R. (author), Fishwick, D. (author), Klein Entink, R. (author), Meijster, T. (author), Pronk, A. (author), van Duuren-Stuurman, B. (author), Warren, N. (author)Chronic obstructive pulmonary disease (COPD) is a chronic lung disease that is thought to affect over one million people in Great Britain. The main factor contributing to the development of COPD is tobacco smoke. This paper presents a microsimulation model for the development of COPD, incorporating population dynamics and trends in smoking. The...article 2015
- document
-
Wagner, A. (author), Cohen, N. (author), Kelder, T. (author), Amit, U. (author), Liebman, E. (author), Steinberg, D.M. (author), Radonjic, M. (author), Ruppin, E. (author)High-throughput omics have proven invaluable in studying human disease, and yet day-to-day clinical practice still relies on physiological, non-omic markers. The metabolic syndrome, for example, is diagnosed and monitored by blood and urine indices such as blood cholesterol levels. Nevertheless, the association between the molecular and the...article 2015
- document
-
Eefting, D. (author), Bot, I. (author), de Vries, M.R. (author), Schepers, A. (author), van Bockel, J.H. (author), van Berkel, T.J.C. (author), Biessen, E.A.L. (author), Quax, P.H.A. (author), TNO Kwaliteit van Leven (author)Objective: Inflammatory responses to vascular injury are key events in vein graft disease and accelerated atherosclerosis, which may result in bypass failure. The monocyte chemoattractant protein-1 (MCP-1)/CC-chemokine receptor (CCR)-2 pathway is hypothesized to play a central role. A murine model for vein graft disease was used to study the...article 2009
- document
-
Madsen, C.B. (author), Hattersley, S. (author), Buck, J. (author), Gendel, S.M. (author), Houben, G.F. (author), Hourihane, J.OB. (author), Mackie, A. (author), Mills, E.N.C. (author), Nørhede, P. (author), Taylor, S.L. (author), Crevel, R.W.R. (author), TNO Kwaliteit van Leven (author)A workshop was organised to investigate whether risk assessment strategies and methodologies used in classical/conventional toxicology may be used for risk assessment of allergenic foods, to discuss the advantages and limitations of different approaches and to determine the research needed to move the area forward. Three possible approaches to...article 2009
- document
-
van der Laan, J.W. (author), Forster, R. (author), Ledwith, B. (author), Gruber, M. (author), Gould, S. (author), Segal, L. (author), Penninks, A. (author), TNO Kwaliteit van Leven (author)Vaccine research and development is a heterogeneous and intensely active area, encompassing the development of many different kinds of novel preventive and therapeutic vaccines (eg, against infectious, allergic, and autoimmune diseases, cancer, etc). Included in this is the development of different types of vaccines (eg, DNA vaccines, novel...article 2009
- document
-
Frost-Christensen, L.N. (author), Mastbergen, S.C. (author), Vianen, M.E. (author), Hartog, A. (author), de Groot, J. (author), Voorhout, G. (author), van Wees, A.M.C. (author), Lafeber, F.P.J.G. (author), Hazewinkel, H.A.W. (author), TNO Kwaliteit van Leven (author)Objective: The most used model for joint instability is the canine anterior cruciate ligament transection (ACLT)-model. The ACLT-model can be extended with a medial meniscectomy (MX) (i.e., ACLT-MX-model) to avoid unintentional, and with that variable, meniscal damage. The present study compares the ACLT-MX-model with the more recently...article 2008
- document
-
Kleemann, R. (author), Zadelaar, A.S.M. (author), Kooistra, T. (author), Gaubius Instituut TNO (author)In the past few years, inflammation has emerged as a major driving force of atherosclerotic lesion development. It is now well-established that from early lesion to vulnerable plaque formation, numerous cellular and molecular inflammatory components participate in the disease process. The most prominent cells that invade in evolving lesions are...article 2008
- document
-
Dijkstra, S. (author), Kooij, G. (author), Verbeek, R. (author), van der Pol, S.M.A. (author), Amor, S. (author), Geisert Jr., E.E. (author), Dijkstra, C.D. (author), van Noort, J.M. (author), Vries, H.E.D. (author), TNO Kwaliteit van Leven (author)Leukocyte infiltration is a key step in the development of demyelinating lesions in multiple sclerosis (MS), and molecules mediating leukocyte-endothelial interactions represent prime candidates for the development of therapeutic strategies. Here we studied the effects of blocking the integrin-associated tetraspanin CD81 in in vitro and in vivo...article 2008
- document
-
van der Hoorn, J.W.A. (author), de Haan, W. (author), Berbée, J.P.P. (author), Havekes, L.M. (author), Jukema, J.W. (author), Rensen, P.C. (author), Princen, H.M.G. (author), TNO Kwaliteit van Leven (author)Objective - Niacin potently decreases plasma triglycerides and LDL-cholesterol. In addition, niacin is the most potent HDL-cholesterol- increasing drug used in the clinic. In the present study, we aimed at elucidation of the mechanism underlying its HDL-raising effect. Methods and Results - InAPOE*3Leiden transgenic mice expressing the human...article 2008
- document
-
Nolte-'t Hoen, E.N.M. (author), Boot, E.P.J. (author), Wagenaar-Hilbers, J.P.A. (author), van Bilsen, J.H.M. (author), Arkesteijn, G.J.A. (author), Storm, G. (author), Everse, L.A. (author), van Eden, W. (author), Wauben, M.H.M. (author), TNO Kwaliteit van Leven (author)Major problems in the analysis of CD4+ effector cell and regulatory T cell (Treg) populations in an activated immune system are caused by the facts that both cell types can express CD25 and that the discriminatory marker forkhead box p3 can only be analyzed in nonviable (permeabilized) cells. Here, we show that CD134 (OX40) can be used as a...article 2008
- document
-
Hoogendoorn, R.J.W. (author), Helder, M.N. (author), Kroeze, R.J. (author), Bank, R.A. (author), Smit, T.H. (author), Wuisman, P.I.J.M. (author), TNO Kwaliteit van Leven (author)STUDY DESIGN. Twelve goats were chemically degenerated and the development of the degenerative signs was followed for 26 weeks to evaluate the progression of the induced degeneration. The results were also compared with a previous study to determine the reproducibility. OBJECTIVES. The purpose of this study was determine whether this...article 2008
- document
-
Intema, F. (author), de Groot, J. (author), Elshof, B. (author), Vianen, M.E. (author), Yocum, S. (author), Zuurmond, A. (author), Mastbergen, S.C. (author), Lafeber, F.P. (author), TNO Kwaliteit van Leven (author)In studies aimed at local treatment of experimental osteoarthritis (OA) it is optimal to have an internal (untreated) OA control. Such an approach excludes interanimal variation, and allows paired statistical evaluation of treatment efficacy. For this purpose, we developed and characterized a bilateral version of the canine Groove model. We...article 2008
- document
-
TNO Defensie en Veiligheid (author), van Vliet, S.A.M. (author), Vanwersch, R.A.P. (author), Jongsma, M.J. (author), Olivier, B. (author), Philippens, I.H.C.H.M. (author)Current therapies for Parkinson's disease (PD) like l-dopa and dopamine (DA) agonists have declined efficacy after long term use. Therefore, research towards supplementary or alternative medication is needed. The implementation in PD can be expedited by application of compounds already used in the clinic. In this study the therapeutic effects of...article 2008
- document
-
Hoogendoorn, R. (author), Doulabi, B.Z. (author), Huang, C.L. (author), Wuisman, P.I. (author), Bank, R.A. (author), Helder, M.N. (author), TNO Kwaliteit van Leven (author)Study Design. Caprine lumbar intervertebral discs (IVD) were collected from previous studies and categorized as normal, mildly, or severely degenerated. The biochemical composition and the RNA profiles present in both the nucleus pulposus (NP) and the anulus fibrosus (AF) were analyzed. Objective. To determine the molecular changes occurring in...article 2008
- document
-
van Weel, V. (author), Toes, R.E.M. (author), Seghers, L. (author), Deckers, M.M.L. (author), de Vries, M.R. (author), Eilers, P.H. (author), Sipkens, J. (author), Schepers, A. (author), Eefting, D. (author), van Hinsbergh, V.W.M. (author), van Bockel, J.H. (author), Quax, P.H.A. (author), TNO Kwaliteit van Leven (author)OBJECTIVE - The immune system is thought to play a crucial role in regulating collateral circulation (arteriogenesis), a vital compensatory mechanism in patients with arterial obstructive disease. Here, we studied the role of lymphocytes in a murine model of hindlimb ischemia. METHODS AND RESULTS - Lymphocytes, detected with markers for NK1.1,...article 2007
- document
-
Emeis, J.J. (author), Jirouskova, M. (author), Muchitsch, E.-M. (author), Shet, A.S. (author), Smyth, S.S. (author), Johnson, G.J. (author), TNO Preventie en Gezondheid (author)Murine blood coagulation factors and function are quite similar to those of humans. Because of this similarity and the adaptability of mice to genetic manipulation, murine coagulation factors and inhibitors have been extensively studied. These studies have provided significant insights into human hemostasis. They have also provided useful...article 2007
- document
-
Arts, J.H.E. (author), Kuper, C.F. (author), TNO Kwaliteit van Leven (author)At present, there are no widely applied or fully validated test methods to identify respiratory LMW allergens, i.e. compounds that are considered capable of inducing allergic asthma. Most tests have been investigated using strong respiratory allergens. Moreover, they are meant to detect the potential of a chemical to induce respiratory...article 2007