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

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자료유형  
 단행본
Control Number  
n880724829
International Standard Book Number  
9780309297547 (paperback)
International Standard Book Number  
0309297540 (paperback)
International Standard Book Number  
9780309297554
International Standard Book Number  
0309297559
Library of Congress Call Number  
RA1224.2-.N38 2014
Dewey Decimal Classification Number  
616.4/06-23
Main Entry-Corporate Name  
National Research Council (U.S.) Committee to Review EPA's State of the Science Paper on Nonmonotonic Dose Reponse
Physical Description  
1 online resource (xii, 51 pages) : illustrations
Summary, Etc.  
요약"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.
Bibliography, Etc. Note  
Includes bibliographical references.
Formatted Contents Note  
완전내용Introduction -- 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.
Subject Added Entry-Topical Term  
Endocrine disrupting chemicals
Subject Added Entry-Topical Term  
Endocrine disrupting chemicals Toxicity testing
Subject Added Entry-Topical Term  
Dose-response relationship (Biochemistry)
Subject Added Entry-Topical Term  
Endocrine toxicology
Subject Added Entry-Topical Term  
Endocrine Disruptors toxicity
Subject Added Entry-Topical Term  
Dose-Response Relationship, Drug
Subject Added Entry-Topical Term  
Evaluation Studies as Topic
Subject Added Entry-Topical Term  
Toxicity Tests
Subject Added Entry-Topical Term  
Risk Assessment
Subject Added Entry-Topical Term  
HEALTH & FITNESS Diseases General.
Subject Added Entry-Topical Term  
MEDICAL Clinical Medicine.
Subject Added Entry-Topical Term  
MEDICAL Diseases.
Subject Added Entry-Topical Term  
MEDICAL Evidence-Based Medicine.
Subject Added Entry-Topical Term  
MEDICAL Internal Medicine.
Additional Physical Form Entry  
Also available in print Review of the Environmental Protection Agency's State-of-the-science evaluation of nonmonotonic dose-response relationships as they apply to endocrine disruptors. Washington, D.C. : National Academies Press, 2014. 9780309297547 (OCoLC)881314288
Electronic Location and Access  
로그인을 한후 보실 수 있는 자료입니다.
Control Number  
joongbu:441977

MARC

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■1102  ▼aNational  Research  Council  (U.S.)▼bCommittee  to  Review  EPA's  State  of  the  Science  Paper  on  Nonmonotonic  Dose  Reponse▼eauthor.
■24510▼aReview  of  the  Environmental  Protection  Agency's  State-of-the-science  evaluation  of  nonmonotonic  dose-response  relationships  as  they  apply  to  endocrine  disruptors▼dCommittee  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
■24630▼aState-of-the-science  evaluation  of  nonmonotonic  dose-response  relationships  as  they  apply  to  endocrine  disruptors
■2463  ▼aReview  of  the  EPA's  State-of-the-science  evaluation  of  nonmonotonic  dose-response  relationships  as  they  apply  to  endocrine  disruptors
■264  1▼aWashington,  D.C.▼bNational  Academies  Press▼c[2014]
■264  4▼c©2014
■300    ▼a1  online  resource  (xii,  51  pages)  ▼billustrations
■336    ▼atext▼btxt▼2rdacontent
■337    ▼acomputer▼bc▼2rdamedia
■338    ▼aonline  resource▼bcr▼2rdacarrier
■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    ▼aIncludes  bibliographical  references.
■5050  ▼aIntroduction  --  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    ▼aDescription  based  on  online  resource;  title  from  resource  home  page  (National  Academies  Press,  viewed  May  30,  2014).
■650  0▼aEndocrine  disrupting  chemicals
■650  0▼aEndocrine  disrupting  chemicals▼xToxicity  testing
■650  0▼aDose-response  relationship  (Biochemistry)
■650  0▼aEndocrine  toxicology
■65012▼aEndocrine  Disruptors▼xtoxicity
■65012▼aDose-Response  Relationship,  Drug
■65022▼aEvaluation  Studies  as  Topic
■65022▼aToxicity  Tests
■65022▼aRisk  Assessment
■650  7▼aHEALTH  &  FITNESS▼xDiseases▼xGeneral.▼2bisacsh
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■650  7▼aMEDICAL▼xDiseases.▼2bisacsh
■650  7▼aMEDICAL▼xEvidence-Based  Medicine.▼2bisacsh
■650  7▼aMEDICAL▼xInternal  Medicine.▼2bisacsh
■655  4▼aElectronic  books.
■77608▼iAlso  available  in  print▼tReview  of  the  Environmental  Protection  Agency's  State-of-the-science  evaluation  of  nonmonotonic  dose-response  relationships  as  they  apply  to  endocrine  disruptors.▼dWashington,  D.C.  :  National  Academies  Press,  2014.▼z9780309297547▼w(OCoLC)881314288
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