Searched for: author%3A%22Bosgra%2C+S.%22
(1 - 17 of 17)
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de Ligt, R. (author), van Duijn, E. (author), Grossouw, D. (author), Bosgra, S. (author), Burggraaf, J. (author), Windhorst, A. (author), Peeters, P.A.M. (author), van der Luijt, G.A. (author), Alexander-White, C. (author), Vaes, W.H.J. (author)
A clinical pharmacokinetic study was performed in 12 healthy women to evaluate systemic exposure to aluminum following topical application of a representative antiperspirant formulation under real-life use conditions. A simple roll-on formulation containing an extremely rare isotope of aluminum (26 Al) chlorohydrate (ACH) was prepared to...
article 2018
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Colaianna, M. (author), Ilmjärv, S. (author), Peterson, H. (author), Ilse Kern, I. (author), Julien, S. (author), Baquié, M. (author), allocca, G. (author), Bosgra, S. (author), Sachinidis, A. (author), Hengstler, J.G. (author), Leist, M. (author), Krause, K.H. (author)
Identification of neurotoxic drugs and environmental chemicals is an important challenge. However, only few tools to address this topic are available. The aim of this study was to develop a neurotoxicity/developmental neurotoxicity (DNT) test system, using the pluripotent mouse embryonic stem cell line CGR8 (ESCs). The test system uses ESCs at...
article 2017
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Vlaming, M.L. (author), van Duijn, E. (author), Dillingh, M.R. (author), Brands, R. (author), Windhorst, A.D. (author), Hendrikse, N.H. (author), Bosgra, S. (author), Burggraaf, J. (author), de Koning, M.C. (author), Fidder, A. (author), Mocking, J.A. (author), Sandman, H. (author), de Ligt, R.A. (author), Fabriek, B.O. (author), Pasman, W.J. (author), Seinen, W. (author), Alves, T. (author), Carrondo, M. (author), Peixoto, C. (author), Peeters, P.A. (author), Vaes, W.H. (author)
Preclinical development of new biological entities (NBEs), such as human protein therapeutics, requires considerable expenditure of time and costs. Poor prediction of pharmacokinetics in humans further reduces net efficiency. In this study, we show for the first time that pharmacokinetic data of NBEs in humans can be successfully obtained early...
article 2015
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Bosgra, S. (author), Westerhout, J. (author)
In the EU collaborative project ChemScreen an alternative, in vitro assay-based test strategy was developed to screen compounds for reproductive toxicity. A toxicokinetic modeling approach was used to allow quantitative comparison between effective concentrations in the in vitro test battery and observations of developmental toxicity in vivo....
article 2015
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Wambaugh, J.F. (author), Wetmore, B.A. (author), Pearce, R. (author), Strope, C. (author), Goldsmith, R. (author), Sluka, J.P. (author), Sedykh, A. (author), Tropsha, A. (author), Bosgra, S. (author), Shah, I. (author), Judson, R. (author), Thomas, R.S. (author), Setzer, R.W. (author)
Toxicokinetic (TK) models link administered doses to plasma, blood, and tissue concentrations. High-throughput TK (HTTK) performs in vitro to in vivo extrapolation to predict TK from rapid in vitro measurements and chemical structure-based properties. A significant toxicological application of HTTK has been "reverse dosimetry," in which...
article 2015
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Bosgra, S. (author), Vlaming, M.L.H. (author), Vaes, W.H.J. (author)
Non-linearities occur no more frequently between microdose and therapeutic dose studies than in therapeutic range ascending-dose studies. Most non-linearities are due to known saturable processes, and can be foreseen by integrating commonly available preclinical data. The guidance presented here may support decision making on incorporating a...
article 2015
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Kroese, E.D. (author), Bosgra, S. (author), Buist, H.E. (author), Lewin, G. (author), van der Linden, S.C. (author), Man, H.Y. (author), Piersma, A.H. (author), Rorije, E. (author), Schulpen, S.H.W. (author), Schwarz, M. (author), Uibel, F. (author), van Vugt-Lussenburg, B.M.A. (author), Wolterbeek, A.P.M. (author), van der Burg, B. (author)
Previously we showed a battery consisting of CALUX transcriptional activation assays, the ReProGlo assay, and the embryonic stem cell test, and zebrafish embryotoxicity assay as 'apical' tests to correctly predict developmental toxicity for 11 out of 12 compounds, and to explain the one false negative [7]. Here we report on applying this battery...
article 2015
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Louisse, J. (author), Bosgra, S. (author), Blaauboer, B.J. (author), Rietjens, I.M.C.M. (author), Verwei, M. (author)
The use of laboratory animals for toxicity testing in chemical safety assessment meets increasing ethical, economic and legislative constraints. The development, validation and application of reliable alternatives for in vivo toxicity testing are therefore urgently needed. In order to use toxicity data obtained from in vitro assays for risk...
article 2015
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Bosgra, S. (author), van de Steeg, E. (author), Vlaming, M.L. (author), Verhoeckx, K.C. (author), Huisman, M.T. (author), Verwei, M. (author), Wortelboer, H.M. (author)
In contrast to primary hepatocytes, estimating carrier-mediated hepatic disposition by using a panel of single transfected cell-lines provides direct information on the contribution of the individual transporters to the net disposition. The most direct way to correct for differences in transporter abundance between cell-lines and tissue is by...
article 2014
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Louisse, J. (author), Bosgra, S. (author), Blaauboer, B.J. (author), Rietjens, Y.M.C.M. (author), Verwei, M. (author)
article 2014
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Zimmer, B. (author), Pallocca, G. (author), Dreser, N. (author), Foerster, S. (author), Waldmann, T. (author), Westerhout, J. (author), Julien, S. (author), Krause, K.H. (author), van Thriel, C. (author), Hengstler, J.G. (author), Sachinidis, A. (author), Bosgra, S. (author), Leist, M. (author)
Developmental toxicity in vitro assays have hitherto been established as stand-alone systems, based on a limited number of toxicants. Within the embryonic stem cell-based novel alternative tests project, we developed a test battery framework that allows inclusion of any developmental toxicity assay and that explores the responses of such test...
article 2014
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Piersma, A.H. (author), Bosgra, S. (author), van Duursen, M.B.M. (author), Hermsen, S.A.B. (author), Jonker, L.R.A. (author), Kroese, E.D. (author), van der Linden, S.C. (author), Man, H. (author), Roelofs, M.J.E. (author), Schulpen, S.H.W. (author), Schwarz, M. (author), Uibel, F. (author), van Vugt-Lussenburg, B.M.A. (author), Westerhout, J. (author), Wolterbeek, A.P.M. (author), van der Burg, B. (author)
The application of alternative methods in developmental and reproductive toxicology is challenging in view of the complexity of mechanisms involved. A battery of complementary test systems may provide a better prediction of developmental and reproductive toxicity than single assays. We tested twelve compounds with varying mechanisms of toxic...
article 2013
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Krug, A.K. (author), Kolde, R. (author), Gaspar, J.A. (author), Rempel, E. (author), Balmer, N.V. (author), Meganathan, K. (author), Vojnits, K. (author), Baquié, M. (author), Waldmann, T. (author), Ensenat-Waser, R. (author), Jagtap, S. (author), Evans, R.M. (author), Julien, S. (author), Peterson, H. (author), Zagoura, D. (author), Kadereit, S. (author), Gerhard, D. (author), Sotiriadou, I. (author), Heke, M. (author), Natarajan, K. (author), Henry, M. (author), Winkler, J. (author), Marchan, R. (author), Stoppini, L. (author), Bosgra, S. (author), Westerhout, J. (author), Verwei, M. (author), Vilo, J. (author), Kortenkamp, A. (author), Hescheler, J. (author), Hothorn, L. (author), Bremer, S. (author), van Thriel, C. (author), Krause, K.-H. (author), Hengstler, J.G. (author), Rahnenführer, J. (author), Leist, M. (author), Sachinidis, A. (author)
Developmental neurotoxicity (DNT) and many forms of reproductive toxicity (RT) often manifest themselves in functional deficits that are not necessarily based on cell death, but rather on minor changes relating to cell differentiation or communication. The fields of DNT/RT would greatly benefit from in vitro tests that allow the identification...
article 2013
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Wolterbeek, A.P.M. (author), Beker, A.R.C.L. (author), Bosgra, S. (author), Verwei, M. (author), Westerhout, J. (author), Buist, H.E. (author), Kroese, E.D. (author)
article 2012
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Hartung, T. (author), Blaauboer, B.J. (author), Bosgra, S. (author), Carney, E. (author), Coenen, J. (author), Conolly, R.B. (author), Corsini, E. (author), Green, S. (author), Faustman, E.M. (author), Gaspari, A. (author), Hayashi, M. (author), Hayes, A.W. (author), Hengstler, J.G. (author), Knudsen, L.E. (author), Knudsen, T.B. (author), McKim, J.M. (author), Pfaller, W. (author), Roggen, E.L. (author)
The European cosmetics legislation foresees a review in 2011 and possible postponement of the 2013 marketing ban to enforce the testing ban for systemic and repeated-dose animal tests. For this purpose, a 119-page report commissioned by the European Commission was published recently. Here, a group of 17 independent experts from the US, Europe,...
article 2011
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Bosgra, S. (author), van Eijkeren, J.C.H. (author), van der Schans, M.J. (author), Langenberg, J.P. (author), Slob, W. (author), TNO Defensie en Veiligheid (author)
Theoretical work has shown that the isobole method is not generally valid as a method for testing the absence or presence of interaction (in the biochemical sense) between chemicals. The present study illustrates how interaction can be tested by fitting a toxicodynamic model to the results of a mixture experiment. The inhibition of...
article 2009
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Bosgra, S. (author), van Eijkeren, J.C.H. (author), van der Schans, M.J. (author), Langenberg, J.P. (author), Slob, W. (author), TNO Defensie en Veiligheid (author)
The applicability of dose addition to combinations of OP-esters and carbamates has been questioned based on theoretical considerations, but these have not been well supported by experimental findings. In the present study, the inhibition of AChE by combinations of methamidophos (an OP-ester) and methomyl (a carbamate) was examined in vitro. AChE...
article 2009
Searched for: author%3A%22Bosgra%2C+S.%22
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