Alexander Hollaender

Chemical Mutagens (eBook, PDF)

Principles and Methods for Their Detection Volume 3

• Format: PDF

Produktbeschreibung

The ready acceptance and wide demand for copies of the first two volumes of Chemical Mutagens: Principles and Methods Jar Their Detection have demon strated the need for wider dissemination of information on this timely and urgent subject. Therefore, it was imperative that a third volume be prepared to include more detailed discussions on techniques of some of the methods that were presented from a theoretical point of view in the first two volumes, and to update this rapidly expanding field with current findings and the new developments that have taken place in the past three years. Also included is a special chapter by Dr. Charlotte Auerbach giving the historical background of the discovery of chemical mutagenesis. Methods for recognizing mutagenic compounds in vitro are a necessary preliminary step toward arriving at satisfactory solutions for recognizing significant mutation rates in man, which must be done before our test tube methods of detection can be considered reliable. Two chapters in this volume make important contributions to this problem. Due to the increasing activity in efforts to perfect techniques for detecting chemical mutagens and their effects on man, it is planned to continue this series of volumes as necessary to keep abreast of current findings.

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Produktdetails

• Verlag: Springer US
• Seitenzahl: 304
• Erscheinungstermin: 6. Dezember 2012
• Englisch
• ISBN-13: 9781461589723
• Artikelnr.: 44179323

Inhaltsangabe

1 In Vivo Mutagenicity Testing Using Somatic Cells of Drosophila melanogaster.- 1. Introduction.- 2. Basic Developmental Biology of Drosophila.- 3. The Wing Mosaic System.- 3.1. The Genetic Basis of the Wing System.- 3.2. Scoring.- 3.3. Data Analysis.- 3.4. Spontaneous Frequencies of Spots in Different Genetic Backgrounds.- 4. The White/White-Coral Eye Mosaic System.- 4.1. The Genetic Basis of the White/White-Coral System.- 4.2. Scoring.- 4.3. Data Analysis.- 4.4. Background Frequencies of Spots.- 5. The Unstable White-Zeste Eye Mosaic System.- 5.1. The Genetic Basis of the Unstable White-Zeste System.- 5.2. Scoring.- 5.3. Data Analysis.- 5.4. Background Frequencies of Spots.- 5.5. Mechanism.- 6. Exposure Techniques.- 6.1. Egg Collection.- 6.2. Collection of Larvae.- 6.3. Feeding.- 6.4. Inhalation.- 6.5. Injection.- 6.6. Solvents.- 6.7. Dosimetry.- 7. Discussion.- 7.1. Genetic Mechanisms.- 7.2. Differences between Genotypes.- 7.3. Toxic Effects and Cell Death.- 7.4. Status of Validation.- 7.5. Comparison of Germ Cells versus Somatic Cells.- 7.6. Comparison of Drosophila Tests with Other Assay Systems.- 7.7. Future Developments.- 7.8. Test Performance.- 8. Conclusions.- 9. References.- 2 Structural and Metabolic Parameters Governing the Mutagenicity of Polycyclic Aromatic Hydrocarbons.- 1. Introduction.- 1.1. Scope of This Review.- 1.2. Terms, Short Names, and Abbreviations.- 1.3. Overview of the Metabolism of PAHs in Mammals.- 2. Activation Pathways of PAHs.- 2.1. Requirement of Activation for Mutagenicity to Occur.- 2.2. Activation to Monofunctional Epoxides.- 2.3. Activation to Vicinal Diol-Epoxides.- 2.4. Activation to Benzylic Esters.- 2.5. Activation to Free Radicals.- 2.6. Other Activation Pathways.- 3. Contribution of Different Activation Pathways to the Mutagenicity of PAHs.- 3.1. DNA Adducts.- 3.2. Modified Test Compounds to Elucidate the Activation Process.- 3.3. Use of Diagnostic Enzymes and Enzyme Inhibitors.- 4. Metabolic Control of Mutagenic Intermediates of PAHs.- 4.1. Mutagenicity Experiments with Subcellular Metabolizing Systems.- 4.2. Mutagenicity Experiments Using Intact Cells as the Metabolizing Systems.- 5. Summary and Conclusions.- 6. Addendum: Recent Developments.- 6.1. Mutagenicity of Quinones.- 6.2. Mutagenicity of Phenol-diol-epoxides.- 7. References.- 3 Chromosomal Mutations: The Genetic Approach.- 1. Introduction.- 2. The Main Categories of Chromosomal Mutation.- 2.1. Numerical Anomalies.- 2.2. Structural Anomalies.- 3. Genetic Detection of Aneuploidy in the Mouse.- 3.1. Sex-Chromosomal Aneuploidy.- 3.2. Autosomal Aneuploidy.- 4. Reciprocal Translocations: Detection and Analysis.- 4.1. Translocations in Specific Locus Tests.- 4.2. Heritable Translocation Assays.- 4.3. Genetic Analysis of Reciprocal Translocations and Their Products.- 5. Detection and Study of Other Translocations and of Inversions.- 5.1. Robertsonian Translocations.- 5.2. Insertions.- 5.3. Inversions.- 6. Detection and Study of Deletions.- 6.1. X-Chromosomal Deletions.- 6.2. Autosomal Deletions.- 7. Conclusions.- 8. References.- 4 Cytogenetic Assays for Mitotic Poisons Using Somatic Animal Cells.- 1. Introduction.- 2. Mitotic Poisons and Their Genomic Effects.- 2.1. The Spindle Apparatus.- 2.2. The Centriole.- 2.3. Kinetochores.- 2.4. Cytokinesis.- 3. Assays with Diploid Mammalian Cells in Vitro.- 3.1. Choice of Cell Lines.- 3.2. Mitotic Arrest.- 3.3. Recovery Experiments.- 3.4. Aneuploidy Enumeration.- 3.5. Slide Reading.- 4. Assays with Bone Marrow Cells in Vivo.- 4.1. Animals.- 4.2. Techniques.- 5. Assays with Grasshopper Embryos.- 5.1. Test Materials.- 5.2. General Information about Grasshopper Embryos.- 5.3. Procedure.- 6. Conclusions.- 7. References.- 5 Detection of Aneuploidy in Drosophila.- 1. Introduction.- 1.1. Role of Drosophila.- 1.2. Definition of Aneuploidy.- 2. Issues.- 2.1. Sex.- 2.2. Germ Cell Stage.- 2.3. Other Factors.- 3. Assay Systems.- 3.1. Classical Test.- 3.2. Selective and Semi selective Tests.- 4. Known Po