Search Results - "Clewell, Harvey"
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1
Critical considerations in the review of the toxicological evidence regarding the potential carcinogenicity of aspartame
Published in Food and chemical toxicology (01-12-2023)Get full text
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Associations of Perfluoroalkyl Substances (PFAS) with Lower Birth Weight: An Evaluation of Potential Confounding by Glomerular Filtration Rate Using a Physiologically Based Pharmacokinetic Model (PBPK)
Published in Environmental health perspectives (01-12-2015)“…Prenatal exposure to perfluoroalkyl substances (PFAS) has been associated with lower birth weight in epidemiologic studies. This association could be…”
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Read-across and new approach methodologies applied in a 10-step framework for cosmetics safety assessment – A case study with parabens
Published in Regulatory toxicology and pharmacology (01-07-2022)“…Parabens are esters of para-hydroxybenzoic acid that have been used as preservatives in many types of products for decades including agrochemicals,…”
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Why is elevation of serum cholesterol associated with exposure to perfluoroalkyl substances (PFAS) in humans? A workshop report on potential mechanisms
Published in Toxicology (Amsterdam) (01-07-2021)“…Serum concentrations of cholesterol are positively correlated with exposure to perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS) in…”
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PBPK modelling of inter-individual variability in the pharmacokinetics of environmental chemicals
Published in Toxicology (Amsterdam) (30-12-2010)“…Abstract Generic PBPK models, applicable to a large number of substances, coupled to parameter databases and QSAR modules, are now available for predictive…”
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Integration of Dosimetry, Exposure, and High-Throughput Screening Data in Chemical Toxicity Assessment
Published in Toxicological sciences (01-01-2012)“…High-throughput in vitro toxicity screening can provide an efficient way to identify potential biological targets for chemicals. However, relying on nominal…”
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Quantitative in vitro to in vivo extrapolation of cell-based toxicity assay results
Published in Critical reviews in toxicology (01-09-2012)“…The field of toxicology is currently undergoing a global paradigm shift to use of in vitro approaches for assessing the risks of chemicals and drugs in a more…”
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Temporal concordance between apical and transcriptional points of departure for chemical risk assessment
Published in Toxicological sciences (01-07-2013)“…The number of legacy chemicals without toxicity reference values combined with the rate of new chemical development is overwhelming the capacity of the…”
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Dose-dependence of chemical carcinogenicity: Biological mechanisms for thresholds and implications for risk assessment
Published in Chemico-biological interactions (01-03-2019)“…Current regulatory practices for chemical carcinogens were established when scientific understanding of the molecular mechanisms of chemical carcinogenesis was…”
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Using quantitative modeling tools to assess pharmacokinetic bias in epidemiological studies showing associations between biomarkers and health outcomes at low exposures
Published in Environmental research (01-06-2021)“…Biomarkers of exposure can be measured at lower and lower levels due to advances in analytical chemistry. Using these sensitive methods, some epidemiology…”
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A model of functional thyroid disease status over the lifetime
Published in PloS one (18-07-2019)“…Mathematical models of the natural history of disease can predict incidence rates based on prevalence data and support simulations of populations where thyroid…”
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Dose-response for assessing the cancer risk of inorganic arsenic in drinking water: the scientific basis for use of a threshold approach
Published in Critical reviews in toxicology (02-01-2019)“…The biologic effects of inorganic arsenic predominantly involve reaction of the trivalent forms with sulfhydryl groups in critical proteins in target cells,…”
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Pharmacokinetic bias analysis of an association between clinical thyroid disease and two perfluoroalkyl substances
Published in Environment international (01-08-2020)“…•Bias was quantified in an association of clinical thyroid disease with PFAS.•A PBPK model was used to link thyroid disease, renal function and PFAS…”
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Interspecies scaling of toxicity reference values in human health versus ecological risk assessments: A critical review
Published in Integrated environmental assessment and management (01-05-2024)“…Risk assessments that focus on anthropogenic chemicals in environmental media—whether considering human health or ecological effects—often rely on toxicity…”
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High-throughput in-silico prediction of ionization equilibria for pharmacokinetic modeling
Published in The Science of the total environment (15-02-2018)“…•We have replaced a proprietary human variability model with an open-source EPA tool for high throughput risk prioritization.•Introduced the ionizable atom…”
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Is the relationship between prenatal exposure to PCB-153 and decreased birth weight attributable to pharmacokinetics?
Published in Environmental health perspectives (01-10-2013)“…A recent meta-analysis based on data from > 7,000 pregnancies reported an association between prenatal polychlorinated biphenyl (PCB)-153 exposure and reduced…”
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Incorporating new technologies into toxicity testing and risk assessment: moving from 21st century vision to a data-driven framework
Published in Toxicological sciences (01-11-2013)“…Based on existing data and previous work, a series of studies is proposed as a basis toward a pragmatic early step in transforming toxicity testing. These…”
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A Method to Integrate Benchmark Dose Estimates with Genomic Data to Assess the Functional Effects of Chemical Exposure
Published in Toxicological sciences (01-07-2007)“…The use of genomic technology for assessing health risks associated with chemical exposure has significant potential, but its direct application has proven to…”
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Quantitative in vitro to in vivo extrapolation (QIVIVE): An essential element for in vitro-based risk assessment
Published in Toxicology (Amsterdam) (05-06-2015)Get full text
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Incorporating High-Throughput Exposure Predictions With Dosimetry-Adjusted In Vitro Bioactivity to Inform Chemical Toxicity Testing
Published in Toxicological sciences (01-11-2015)“…We previously integrated dosimetry and exposure with high-throughput screening (HTS) to enhance the utility of ToxCast HTS data by translating in vitro…”
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