Biological Reactive Intermediates
Formation, Toxicity, and Inactivation
Published on 1. May 1977
Book
Hardback
525 pages
978-0-306-30970-0 (ISBN)
Description
The concept that detoxication is the inevitable result of biotransformation of xenobiotic compounds by mammalian systems has undergone modification since it was first described. Indeed, despite the fact that R. T. Williams popularized the notion, he was among the first to caution that it was not possible to predict the biological activities of the resulting metabolites. It has become increasingly apparent in recent years that not only do many metabolites of drugs and other chemicals display biological activity but also in many instances these metabolites play an important role in initiating several forms of cancer and are the cause of a variety of types of toxicity. Thus it seems appropriate to collect in one volume a series of reports outlining advances in the study of the formation of chemically active intermediary metabolic products of chemicals, mechanisms of toxicity or carcinogenesis, and pathways for true detoxication of these chemicals. The work of R. T. Williams, beginning in the late 1920s and early 1930s, marked the first concerted effort to understand the biotransformation of foreign chemicals in animals.
He investigated the metabolic pathway of numerous compounds in a wide variety of animal species while training large numbers of our colleagues who have been responsible for further advances in biochemistry, pharmacology, and toxicology. Another pioneer in the study of drug metabo- lism, B. B.
He investigated the metabolic pathway of numerous compounds in a wide variety of animal species while training large numbers of our colleagues who have been responsible for further advances in biochemistry, pharmacology, and toxicology. Another pioneer in the study of drug metabo- lism, B. B.
More details
Language
English
Place of publication
United States
Publishing group
Springer Science+Business Media
Target group
Professional and scholarly
Illustrations
10 black & white illustrations, biography
Weight
900 gr
ISBN-13
978-0-306-30970-0 (9780306309700)
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05/2013
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12/2012
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Content
I. Reactive Intermediates in Toxicology and Carcinogenesis: Role of Covalent Binding.- 1. Introduction to the Concept of Reactive Intermediates.- 2. The Concept of Reactive Electrophilic Metabolites in Chemical Carcinogenesis: Recent Results with Aromatic Amines, Safrole, and Aflatoxin B1.- 3. Kinetics of Reactive Metabolites and Covalent Binding in Vivo and in Vitro.- 4. Biochemical Aspects of Toxic Metabolites: Formation, Detoxication, and Covalent Binding.- 5. Discussion.- II. Formation of Reactive Intermediates.- 6. Mechanism of Microsomal Monooxygenases and Drug Toxicity.- 7. Discussion.- 8. Aryl Hydrocarbon Hydroxylase: Induction.- 9. Discussion.- 10. Benzo [a] pyrene Metabolism: Enzymatic and Liquid Chromatographic Analysis and Application to Human Liver, Lymphocytes, and Monocytes.- 11. Discussion.- 12. Genetic Differences in Benzo [a] pyrene Carcinogenic Index in Vivo and in Mouse Cytochrome P1 450-Mediated Benzo [a] pyrene Metabolite Binding to DNA in Vitro.- 13. Discussion.- 14. Formation of Toxic Intermediates in Fetal Tissues.- 15. Discussion.- 16. The Possible Role of Trout Liver Aryl Hydrocarbon Hydroxylase in Activating Aromatic Polycyclic Carcinogens.- 17. Metabolic Activation of Methyldopa by Cytochrome P450-Generated Superoxide Anion.- 18. Formation of Tertiary Amine N-Oxide and Its Reduction by Rat Liver Microsomes.- III. Inactivation of Reactive Intermediates.- 19. Epoxide Hydratase: Purification to Apparent Homogeneity as a Specific Probe for the Relative Importance of Epoxides among Other Reactive Metabolites.- 20. Glutathione S-Transferases.- 21. Discussion.- 22. UDPGlucuronosyltransferase: Substrate Specificity and Reactivation after Partial Separation from Other Membrane Components.- 23. Discussion.- 24. Inactivation of Reactive Intermediates in Human Liver.- 25. Discussion.- 26. Nucleotide Pyrophosphatase as a Competitor of Drug Hydroxylation and Conjugation in Rat Liver Microsomes.- IV. Specific Reactive Intermediates.- 27. Metabolic Activation of Hydrazines to Highly Reactive Hepatotoxic Intermediates.- 28. Discussion.- 29. Activation of Nitrite.- 30. Discussion.- 31. Benzene Metabolism and Toxicity.- 32. Benzene and p-Xylene: A Comparison of Inhalation Toxicities and in Vitro Hydroxylations.- 33. Discussion.- 34. Hepatotoxicity of Carbon Disulfide and of Other Sulfur-Containing Chemicals: Possible Significance of Their Metabolism by Oxidative Desulfuration.- 35. Studies of the Formation of Reactive Intermediates of Parathion.- 36. Discussion.- 37. Metabolism and Biological Activity of Benzo [a] pyrene and Its Metabolic Products.- 38. Discussion.- 39. Polycyclic Hydrocarbon Epoxides as Active Metabolic Intermediates.- 40. Stereoselective Synthesis and Reactions of a Diol-Epoxide Derived from Benzo [a] pyrene.- 41. Discussion.- 42. Additional Routes in the Metabolism of Phenacetin.- 43. Biliary Metabolites of Paracetamol in Relation to Dose Level and Various Pretreatments.- 44. Studies on Pharmacokinetics of N-Demethyldiazepam, the Active Main Metabolite of Diazepam.- V. Reactive Intermediates in Lipid Peroxidation.- 45. Regulation and Effects of Lipid Peroxidation in Isolated Hepatocytes.- 46. Discussion.- 47. New Data Supporting an Obligatory Role for Lipid Peroxidation in Carbon Tetrachloride-Induced Loss of Aminopyrine Demethylase, Cytochrome P450, and Glucose-6-phosphatase.- 48. Discussion.- 49. Binding of Haloalkanes to Liver Microsomes.- 50. Discussion.- 51. Degradation of Cytochrome P450 Heme and Lipid Peroxidation in Lead-Poisoned Rats.- VI. Reactive Intermediates in Carcinogenesis.- 52. The Effects of Microsomal Enzymes on Chemical Oncogenesis in Culture.- 53. Discussion.- 54. Role of Covalent Binding in Carcinogenicity.- 55. Discussion.- 56. Interactions of Carcinogens with Human Cell DNA: Damage and Repair.- 57. Discussion.- 58. The Origin, Present Status, and Trends of Toxicology: A Review of the Symposium in Turku, 1975.- Participants.