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Review of the Environmental Protection Agency's State-of-the-science evaluation of nonmonotonic dose-response relationships as they apply to endocrine disruptors /

"Potential health effects from chemicals that disrupt endocrine function pose an environmental health concern because of their ability to interfere with normal hormone function in human and wildlife populations. The endocrine system regulates biological processes throughout the body and is sens...

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor Corporativo: National Research Council (U.S.). Committee to Review EPA's State of the Science Paper on Nonmonotonic Dose Reponse (Autor)
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Washington, D.C. : National Academies Press, [2014]
Temas:
Acceso en línea:Texto completo

MARC

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110 2 |a National Research Council (U.S.).  |b Committee to Review EPA's State of the Science Paper on Nonmonotonic Dose Reponse,  |e author. 
245 1 0 |a Review of the Environmental Protection Agency's State-of-the-science evaluation of nonmonotonic dose-response relationships as they apply to endocrine disruptors /  |c Committee to Review EPA's State of the Science Paper on Nonmonotonic Dose Reponse, Board on Environmental Studies and Toxicology, Division on Earth and Life Studies, National Research Council of the National Academies. 
246 3 0 |a State-of-the-science evaluation of nonmonotonic dose-response relationships as they apply to endocrine disruptors 
246 3 |a Review of the EPA's State-of-the-science evaluation of nonmonotonic dose-response relationships as they apply to endocrine disruptors 
264 1 |a Washington, D.C. :  |b National Academies Press,  |c [2014] 
264 4 |c ©2014 
300 |a 1 online resource (xii, 51 pages) :  |b illustrations 
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520 |a "Potential health effects from chemicals that disrupt endocrine function pose an environmental health concern because of their ability to interfere with normal hormone function in human and wildlife populations. The endocrine system regulates biological processes throughout the body and is sensitive to small changes in hormone concentrations. Endocrine-disruptor research has focused primarily on chemicals that affect three hormone pathways that play important roles in reproduction and development - the estrogen, androgen, and thyroid hormone pathways. Some of this research has identified dose-response relationships that have nonmonotonic curves. Nonmonotonic dose-response curves (NMDRs) are of concern because they do not follow the usual assumption made in toxicology that as dose decreases the response also decreases. The existence of NMDRs has been a controversial topic for decades, and there has been considerable debate about their implications for how chemicals are tested and for how risks from such chemicals are assessed. Toxicity tests are designed to identify hazards and to characterize dose-response relationships, so tests are aimed at finding a (high) dose that elicits a response, and dose-response is explored by testing lower doses spaced to identify statistically a no- or lowest-observed-adverse-effect level. The concern for NMDRs is that such studies, as currently designed, might not detect the inflection of the dose-response curve if only a few doses are tested or if the change in inflection occurs below the range of doses tested. Another concern is that some NMDRs are found for biological effects that are not usually evaluated in toxicity tests. If current testing strategies are inadequate to account for NMDRs, changes to risk assessment practices might be necessary. To help address these issues, the U.S. Environmental Protection Agency (EPA) developed a draft State-of-the-Science Evaluation: Nonmonotonic Dose Responses as they Apply to Estrogen, Androgen, and Thyroid Pathways and EPA Testing and Assessment Procedures. EPA asked the National Research Council to conduct an independent review of this evaluation to ensure that it is scientifically sound and of high quality. Review of Environmental Protection Agency's State-of-the-Science Evaluation of Nonmonotonic Dose-Response as they Apply to Endocrine Disrupters evaluates whether EPA's evaluation presents a scientifically sound and high-quality analysis of the literature on NMDRs. This report reviews how well the EPA evaluation described how the assessment was performed, whether consistent methods and criteria were applied in the analysis of different evidence streams, and whether appropriate methods were applied to evaluating the evidence. The report makes recommendations to improve EPA's process and strengthen the evaluation"--Publisher's description 
504 |a Includes bibliographical references. 
505 0 |a Introduction -- Review of the Environmental Protection Agency's methods for evaluating evidence on nonmonotonic dose-response relationships -- The Environmental Protection Agency's evaluation of implications of nonmonotonic dose-response relationships for current toxicity-testing strategies and risk-assessment practices. 
588 0 |a Online resource; title from resource home page (National Academies Press, viewed May 30, 2014). 
546 |a English. 
590 |a ProQuest Ebook Central  |b Ebook Central Academic Complete 
650 0 |a Endocrine disrupting chemicals. 
650 0 |a Endocrine disrupting chemicals  |x Toxicity testing. 
650 0 |a Dose-response relationship (Biochemistry) 
650 0 |a Endocrine toxicology. 
650 0 |a Drugs  |x Dose-response relationship. 
650 0 |a Risk assessment. 
650 1 2 |a Endocrine Disruptors  |x toxicity 
650 1 2 |a Dose-Response Relationship, Drug 
650 2 |a Endocrine Disruptors 
650 2 2 |a Evaluation Studies as Topic 
650 2 2 |a Toxicity Tests 
650 2 2 |a Risk Assessment 
650 6 |a Perturbateurs endocriniens. 
650 6 |a Perturbateurs endocriniens  |x Toxicité. 
650 6 |a Relations dose-effet. 
650 6 |a Toxicologie endocrinienne. 
650 6 |a Médicaments  |x Relations dose-effet. 
650 6 |a Évaluation du risque. 
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650 7 |a MEDICAL  |x Evidence-Based Medicine.  |2 bisacsh 
650 7 |a MEDICAL  |x Internal Medicine.  |2 bisacsh 
650 7 |a Risk assessment  |2 fast 
650 7 |a Drugs  |x Dose-response relationship  |2 fast 
650 7 |a Dose-response relationship (Biochemistry)  |2 fast 
650 7 |a Endocrine disrupting chemicals  |2 fast 
650 7 |a Endocrine toxicology  |2 fast 
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