Utilization of mammalian specific locus studies in hazard evaluation and estimation of genetic risk
著者
書誌事項
Utilization of mammalian specific locus studies in hazard evaluation and estimation of genetic risk
(Environmental science research, v. 28)
Plenum Press, c1983
大学図書館所蔵 全6件
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  愛知
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  京都
  大阪
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  奈良
  和歌山
  鳥取
  島根
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  広島
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注記
"Proceedings of a workshop held March 29-31, 1982, at the National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina"--T.p. verso
Includes bibliographical references and index
内容説明・目次
内容説明
The magnitude of the threat to the human genetic material posed by environmental agents has not as yet been fully determined. Never theless, the potential hazards of many chemicals have been identi fied by studies on lower organisms. However, too little is known regarding the comparability or lack of it between the metabolic pathways available in such organisms and those in man. Although at present there is great public concern for what is considered by some as the excessive use of laboratory animals in toxicological testing, it seems clear that the usage of mammalian systems may be deemed necessary. It has been proposed that cell culture systems might suffice to meet this need, however, such approaches cannot match the complexity of physiological occurances that are present in the intact animal. For studies of genetic effects, some non-invasive human test systems are presently available. These do not, however, meet the re quirements for extensive laboratory studies. In order to assess the risks to humans of environmental factors such laboratory investiga tions are essential. Therefore, for the forseeable future reliance on experiments using laboratory animals will be necessary. This Volume, which contains the proceedings of a workshop which was held at the National Institute of Environmental Health Sciences, March 29-31, 1982, explores the existing methodologies and their utility for risk estimations. It covers the most well developed human systems, as well as the most widely used animal tests.
目次
Session I. Introduction.- How Much Progress this Time?.- Session II. Detection of Specific Locus Mutations in Somatic Cells.- Human Mutagenicity Monitoring: Studies with 6-Thioguanine Resistant Lymphocytes.- Detection of Somatic Mutants of Hemoglobin.- Counting of RBC Variants Using Rapid Flow Techniques.- Biochemical Approaches to Monitoring Human Populations for Germinal Mutation Rates: II. Enzyme Deficiency Variants as a Component of the Estimated Genetic Risk.- Session III. Human Monitoring — Detection of Specific Locus Mutations in Germ Cells.- Biochemical Approaches to Monitoring Human Populations for Germinal Mutation Rates: I. Electrophoresis.- Session IV. Utilization of Model Systems in Mice: Part I.- The Detection of ENU-Induced Mutants in Mice by Electrophoresis and The Problem of Evaluating the Mutation Rate Increase.- Relation of Mouse Specific Locus Tests to Other Mutagenicity Tests and to Risk Estimation.- The Detection of Induced Recessive Lethal Mutations in Mice.- Session V. Utilization of Model Systems in Mice: Part II.- Using Inversions to Detect and Study Recessive Lethals and Detrimentals in Mice.- Cataracts — Indicators for Dominant Mutations in Mice and Man.- Applications in Genetic Risk Estimation of Data on the Induction of Dominant Skeletal Mutations in Mice.- Detection of Enzyme Activity Variants in Mice.- Some Factors Affecting the Mutagenic Response of Mouse Germ Cells to Chemicals.- Session VI. Detailed Analysis of Specific Locus Mutations.- Qualitative Analysis of Mouse Specific-Locus Mutations: Information on Genetic Organization, Gene Expression, and the Chromosomal Nature of Induced Lesions.- Developmental Genetics of Specific Locus Mutations.- Dominant and Recessive Effects of Electrophoretically Detected Specific LocusMutations.- Session VII. Future Directions.- Some Ideas on Future Test Systems.- Problems in Extrapolation of Animal Data to Humans.- Specific Locus Mutations in the Monitoring of Human Populations for Genetic Damage.- Some Research Needs to Support Mutagenicity Risk Assessments from Whole Mammal Studies.- Contributors.
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