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van Dijk, C.E. (author), de Boer, M.R. (author), Koppes, L.L.J. (author), Roos, J.C. (author), Lips, P. (author), Twisk, J.W.R. (author), TNO Kwaliteit van Leven (author)Introduction: Studies on the association of vitamin D and bone mineral density (BMD) in adolescence and young adults have shown contrasting results. None of these studies have examined the course and baseline in vitamin D intake. The purpose of this study was to examine the association between baseline and the course of dietary vitamin D intake...article 2009
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Brink, E. (author), Coxam, V. (author), Robins, S. (author), Wahala, K. (author), Cassidy, A. (author), Branca, F. (author), KvL (author)Background: Osteoporosis is a major health problem. It was hypothesized that isoflavone-containing products may be a potential alternative to hormone replacement therapy for preventing bone loss during the menopausal transition. Objective: The objective was to investigate whether the consumption of isoflavone-enriched foods for 1 y affects bone...article 2008
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TNO Kwaliteit van Leven (author), Hunter, D.J. (author), LaValley, M. (author), Li, J. (author), Bauer, D.C. (author), Nevitt, M. (author), de Groot, J. (author), Poole, R. (author), Eyre, D. (author), Guermazi, A. (author), Gale, D. (author), Totterman, S. (author), Felson, D.T. (author)Introduction: Our objective was to determine whether markers of bone resorption and formation could serve as markers for the presence of bone marrow lesions (BMLs). Methods: We conducted an analysis of data from the Boston Osteoarthritis of the Knee Study (BOKS). Knee magnetic resonance images were scored for BMLs using a semiquantitative...article 2008
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Valstar, D.L. (author), Schijf, M.A. (author), Arts, J.H.E. (author), Kuper, C.F. (author), Nijkamp, F.P. (author), Storm, G. (author), Bloksma, N. (author), Henricks, P.A.J. (author), TNO Kwaliteit van Leven (author)Occupational exposure to low molecular weight chemicals, like trimellitic anhydride (TMA), can result in occupational asthma. Alveolar macrophages (AMs) are among the first cells to encounter these inhaled compounds and were previously shown to affect TMA-induced asthma-like symptoms in the Brown Norway rat (Valstar et al., Toxicol. Appl....article 2006
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van der Harst, M.R. (author), de Groot, J. (author), Kiers, G.H. (author), Brama, P.A.J. (author), van de Lest, C.H.A. (author), van Weeren, P.R. (author)Objective - To assess whether site-related changes in biochemical composition are present in the cartilage and subchondral and trabecular bone of the metacarpophalangeal joint of horses with early osteoarthritis. Sample population - Right metacarpophalangeal joints from 59 mature warmblood horses. Procedure - Biochemical data (cross-link, amino...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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Dhonukshe-Rutten, R.A.M. (author), van Dusseldorp, M. (author), Schneede, J. (author), de Groot, L.C.P.G.M. (author), van Staveren, W.A. (author), TNO Kwaliteit van Leven (author)Background: Cobalamin deficiency is prevalent in vegetarians and has been associated with increased risk of osteoporosis. Aim of the study: To examine the association between cobalamin status and bone mineral density in adolescents formerly fed a macrobiotic diet and in their counterparts. Methods: In this cross-sectional study bone mineral...article 2005
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van der Harst, M.R. (author), Brama, P.A.J. (author), van de Lest, C.H.A. (author), Kiers, G.H. (author), de Groot, J. (author), van Weeren, P.R. (author), TNO Kwaliteit van Leven (author)Objective: In articular joints, the forces generated by locomotion are absorbed by the whole of cartilage, subchondral bone and underlying trabecular bone. The objective of this study is to test the hypothesis that regional differences in joint loading are related to clear and interrelated differences in the composition of the extracellular...article 2004
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Day, J.S. (author), van der Linden, J.C. (author), Bank, R.A. (author), Ding, M. (author), Hvid, I. (author), Sumner, D.R. (author), Weinans, H. (author), TNO Preventie en Gezondheid (author)Osteoarthritis is a chronic joint disease with pathological changes in the articulating cartilage and all other tissues that occupy the joint. Radin and coworkers have suggested the involvement of subchondral bone in the disease process. However, evidence for an essential role in the etiology has never been proven. Recent studies showing reduced...article 2004
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Dhonukshe-Rutten, R.A.M. (author), Lips, M. (author), de Jong, N. (author), Marijke, J.M.C.A.P. (author), Hiddink, G.J. (author), van Dusseldorp, M. (author), de Groot, L.C.P.G.M. (author), van Staveren, W.A. (author), Centraal Instituut voor Voedingsonderzoek TNO TNO Voeding (author)Subclinical vitamin B-12 deficiency is common in the elderly. Encouraged by early indications, we investigated the plasma vitamin B-12 status in association with bone mineral content (BMC) and bone mineral density (BMD) in frail elderly people. Data of 194 free-living Dutch frail elderly (143 women and 51 men) were available. BMC and BMD were...article 2003
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Centraal Instituut voor Voedingsonderzoek TNO TNO Voeding (author), Valtueña, S. (author), Cashman, K. (author), Robins, S.P. (author), Cassidy, A. (author), Kardinaal, A. (author), Branca, F. (author)Research on the bone effects of natural phyto-oestrogens after menopause is at a relatively early stage. Published studies are few, difficult to compare and often inconclusive, due in part to design weaknesses. Currently, many questions remain to be answered including to what extent a safe daily intake may prevent postmenopausal bone loss. These...article 2003
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Huebner, J.L. (author), Hanes, M.A. (author), Beekman, B. (author), TeKoppele, J.M. (author), Kraus, V.B. (author), Gaubius Instituut (author)Objective: To evaluate the interaction of bone and cartilage in knee osteoarthritis (OA) pathogenesis in two guinea-pig strains with appreciable differences in bone metabolism. Design: Two guinea-pig strains were evaluated for their susceptibilities to OA using semi-quantitative histological grading of knee joints and quantification of...article 2002
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Brama, P.A.J. (author), TeKoppele, J.M. (author), Bank, R.A. (author), Barneveld, A. (author), van Weeren, P.R. (author), Gaubius instituut TNO (author)Subchondral bone provides structural support to the overlying articular cartilage, and plays an important role in osteochondral diseases. There is growing insight that the mechanical features of bone are related to the biochemistry of the collagen network and the mineral content. In the present study, part of the normal developmental process and...article 2002
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Verhoeven, A.C. (author), Boers, M. (author), te Koppele, J.M. (author), van der Laan, W.H. (author), Markusse, H.M. (author), Geusens, P. (author), van der Linden, S. (author), Gaubius Instituut (author)Objectives. Exploration of bone metabolism changes at different levels of disease activity, both with and without oral corticosteroid therapy, and prediction of changes in joint damage and bone density from the observed changes in markers of bone turnover. Methods. Data analysis from a randomized clinical trial with 155 rheumatoid arthritis (RA)...article 2001
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Wang, X. (author), Bank, R.A. (author), teKoppele, J.M. (author), Mauli Agrawal, C. (author), Gaubius Instituut (author)The hypothesis of this study was that collagen denaturation would lead to a significant decrease in the toughness of bone, but has little effect on the stiffness of bone. Using a heating model, effects of collagen denaturation on the biomechanical properties of human cadaveric bone were examined. Prior to testing, bone specimens were heat...article 2001
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Kardinaal, A.F.M. (author), Hoorneman, G. (author), Väänänen, K. (author), Charles, P. (author), Ando, S. (author), Maggiolini, M. (author), Charzewska, J. (author), Rotily, M. (author), Deloraine, A. (author), Heikkinen, J. (author), Juvin, R. (author), Schaafsma, G. (author), Centraal Instituut voor Voedingsonderzoek TNO (author)Bone mass and bone geometry are considered to have independent effects on bone strength. The purpose of this study was to obtain data on bone mass and geometry in young female populations and how they are influenced by body size and lifestyle factors. In a cross-sectional, observational study in six European countries, 1116 healthy Caucasian...article 2000
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Kardinaal, A.F.M. (author), Ando, S. (author), Charles, P. (author), Charzewska, J. (author), Rotily, M. (author), Väänänen, K. (author), van Erp-Baart, A.M.J. (author), Heikkinen, J. (author), Thomsen, J. (author), Maggiolini, M. (author), Deloraine, A. (author), Chabros, E. (author), Juvin, R. (author), Schaafsma, G. (author), Centraal Instituut voor Voedingsonderzoek TNO (author)The objective of this study was to investigate the association between dietary calcium intake and radial bone density among young women, over the whole range of intake and at different levels of calcium intake. The study design was a cross-sectional, observational multicenter investigation in six European countries. One thousand one hundred and...article 1999
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Kardinaal, A.F.M. (author), Morton, M.S. (author), Brüggemann-Rotgans, I.E.M. (author), van Beresteijn, E.C.H. (author), Centraal Instituut voor Voedingsonderzoek TNO (author)Objective: The hypothesis was tested that the rate of postmenopausal bone loss is inversely associated with long-term urinary excretion of phyto-oestrogens, as a marker of habitual dietary intake. Design: Secondary analysis of a 10-year follow-up study (1979-1989) among postmenopausal women in the Netherlands. Subjects: From the original...article 1998
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Gaubius Instituut TNO (author), Meulenbelt, I. (author), Bijkerk, C. (author), Miedema, H.S. (author), Breedveld, F.C. (author), Hofman, A. (author), Valkenburg, H.A. (author), Pols, H.A.P. (author), Slagboom, P.E. (author), van Duijn, C.M. (author)Objective - A genetic association study was performed to investigate whether radiographical osteoarthritis (ROA) was associated with specific genotypes of the insulin-like growth factor I (IGF-1) gene. Methods - Subjects aged 55-65 years were selected from a population-based study of which ROA at the knee, hip, spine, and hand was assessed....article 1998