Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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    High Dietary Intake of Vegetable Protein Is Associated With Lower Prevalence of Renal Function Impairment: Results of the Dutch DIALECT-1 Cohort
    Oosterwijk, Milou M. ; Soedamah-Muthu, Sabita S. ; Geleijnse, Johanna M. ; Bakker, Stephan J.L. ; Navis, Gerjan ; Binnenmars, S.H. ; Gant, Christina M. ; Laverman, Gozewijn D. - \ 2019
    Kidney International Reports 4 (2019)5. - ISSN 2468-0249 - p. 710 - 719.
    diabetes mellitus type 2 - diet - kidney function - lifestyle

    Introduction: Dietary protein intake may influence development of renal function impairment in diabetes mellitus type 2 (T2DM). We assessed the association between sources of protein and prevalence of renal function impairment. Methods: Cross-sectional analyses were performed in baseline data of 420 patients of the DIAbetes and LifEstyle Cohort Twente-1 (DIALECT-1)study. Protein intake was assessed using a Food Frequency Questionnaire, modified for accurate assessment of protein intake, including types and sources of protein. Renal function impairment was defined as estimated glomerular filtration rate (eGFR)<60 ml/min per 1.73 m 2 (Chronic Kidney Disease Epidemiology Collaboration formula). Results: Among 420 patients with T2DM, 99 renal function impairment cases were identified. Multivariate Cox proportional hazard models were used and adjusted for the main lifestyle and dietary factors. The prevalence ratios in the fully adjusted model were 1 (reference), 0.74 (95% confidence interval [CI]: 0.44–1.27; P = 0.28)and 0.47 (95% CI: 0.23–0.98; P = 0.04)according to increasing tertiles of vegetable protein intake. For animal protein intake the prevalence ratios were 1 (reference), 1.10 (95% CI: 0.64–1.88; P = 0.74)and 1.06 (95% CI: 0.56–1.99; P = 0.87)according to increasing tertiles of intake. Theoretical replacement models showed that replacing 3 energy percent from animal protein by vegetable protein lowered the prevalence ratio for the association with renal function impairment to 0.20 (95% CI: 0.06–0.63; P = 0.01). Conclusion: In conclusion, we found that higher intake of vegetable protein was associated with a lower prevalence of renal function impairment, and theoretical replacement of animal protein with vegetable protein was inversely associated with renal function impairment among patients with T2DM.

    Assuring safety without animal testing: the case for the human testis in vitro
    Chapin, R.E. ; Boekelheide, K. ; Cortvrindt, R. ; Duursen, M. van; Gant, T. ; Jegou, B. ; Marczylo, E. ; Pelt, A.M. van; Post, J.N. ; Roelofs, M.J. ; Schlatt, S. ; Teerds, K.J. ; Toppari, J. ; Piersma, A.H. - \ 2013
    Reproductive Toxicology 39 (2013). - ISSN 0890-6238 - p. 63 - 68.
    testicular dysgenesis syndrome - spermatogonial stem-cells - collagen gel matrix - agar-culture-system - leydig-cells - germ-cells - sertoli-cells - invitro differentiation - aromatic-hydrocarbons - 3-dimensional culture
    From 15 to 17 June 2011, a dedicated workshop was held on the subject of in vitro models for mammalian spermatogenesis and their applications in toxicological hazard and risk assessment. The workshop was sponsored by the Dutch ASAT initiative (Assuring Safety without Animal Testing), which aims at promoting innovative approaches toward toxicological hazard and risk assessment on the basis of human and in vitro data, and replacement of animal studies. Participants addressed the state of the art regarding human and animal evidence for compound mediated testicular toxicity, reviewed existing alternative assay models, and brainstormed about future approaches, specifically considering tissue engineering. The workshop recognized the specific complexity of testicular function exemplified by dedicated cell types with distinct functionalities, as well as different cell compartments in terms of microenvironment and extracellular matrix components. This complexity hampers quick results in the realm of alternative models. Nevertheless, progress has been achieved in recent years, and innovative approaches in tissue engineering may open new avenues for mimicking testicular function in vitro. Although feasible, significant investment is deemed essential to be able to bring new ideas into practice in the laboratory. For the advancement of in vitro testicular toxicity testing, one of the most sensitive end points in regulatory reproductive toxicity testing, such an investment is highly desirable.
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