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Author: William B. Jakoby Publisher: Elsevier ISBN: 0323137997 Category : Science Languages : en Pages : 392
Book Description
Metabolic Basis of Detoxication: Metabolism of Functional Groups considers the possible fates of the relatively circumscribed number of functional groups that xenobiotics bear. An understanding of the possible reactions, and the chemical and biological factors influencing them, will contribute to the overall predictability of the fate of "real" molecules. This approach attempts to knit together the understanding of metabolic pathways with that of the enzymes that catalyze the specific steps. The book contains 18 chapters and begins with a discussion of the biological oxidation of carbon atoms. This is followed by separate chapters on the metabolism of halogenated aliphatic hydrocarbons, aryl halides, heterocyclic rings, alcohols, aldehydes, and ketones. Subsequent chapters cover oxidative processes such as metabolic dealkylations and biological oxidation at nitrogen centers; the reduction of nitro and azo compounds and tertiary amine N-oxides; the oxidation, alkylation, acylation, and glycosylation of mercaptans; epoxide metabolism; and conjugation of phenols. The book aims to inform and interest the pharmacologist and toxicologist concerning the biochemical aspects and to orient the biochemist to the pharmacological insights required in dealing with the metabolism of xenobiotics.
Author: William B. Jakoby Publisher: Elsevier ISBN: 0323137997 Category : Science Languages : en Pages : 392
Book Description
Metabolic Basis of Detoxication: Metabolism of Functional Groups considers the possible fates of the relatively circumscribed number of functional groups that xenobiotics bear. An understanding of the possible reactions, and the chemical and biological factors influencing them, will contribute to the overall predictability of the fate of "real" molecules. This approach attempts to knit together the understanding of metabolic pathways with that of the enzymes that catalyze the specific steps. The book contains 18 chapters and begins with a discussion of the biological oxidation of carbon atoms. This is followed by separate chapters on the metabolism of halogenated aliphatic hydrocarbons, aryl halides, heterocyclic rings, alcohols, aldehydes, and ketones. Subsequent chapters cover oxidative processes such as metabolic dealkylations and biological oxidation at nitrogen centers; the reduction of nitro and azo compounds and tertiary amine N-oxides; the oxidation, alkylation, acylation, and glycosylation of mercaptans; epoxide metabolism; and conjugation of phenols. The book aims to inform and interest the pharmacologist and toxicologist concerning the biochemical aspects and to orient the biochemist to the pharmacological insights required in dealing with the metabolism of xenobiotics.
Author: William B. Jakoby Publisher: Elsevier ISBN: 0323137989 Category : Science Languages : en Pages : 432
Book Description
Enzymatic Basis of Detoxication, Volume I focuses on the catalytic mechanisms and physiological expression of the enzymes that are involved in the detoxication of foreign compounds. The book explores foreign compound metabolism at the level of what specific enzymes can do. This book is organized into three sections and comprised of 17 chapters. The discussion begins with an overview of detoxication and covers both catalytic and non-catalytic removal of foreign substances, along with the general properties of the enzymes that are active in detoxication. The reader is then introduced to the physiological aspects of detoxication, paying particular attention to the kinetic aspects of metabolism and elimination of foreign compounds in animals, human genetic variation in detoxication enzymes, and how such enzymes are induced. The next section focuses on mixed function oxygenase systems and includes chapters on cytochrome P-450 and the detoxication reactions it catalyzes. The book also considers other oxidation-reduction systems, with reference to alcohol dehydrogenase, aldehyde reductase, aldehyde oxidizing enzymes, ketone reductases, xanthine oxidase and aldehyde oxidase, glutathione peroxidase, and superoxide dismutases. The final chapter is devoted to monoamine oxidase, its properties, substrate specificity, inhibitors, kinetics and mechanism, and multiple forms. Pharmacologists, toxicologists, and biochemists will find this book extremely helpful.
Author: John Caldwell Publisher: Elsevier ISBN: 0323150101 Category : Nature Languages : en Pages : 444
Book Description
Biological Basis of Detoxication focuses on the biological processes involved in detoxication, with emphasis on the biochemistry of the removal of xenobiotics from an organism. Topics range from the formation of toxic metabolites and compounds that are not metabolized at all to the tissue distribution and nutritional considerations, the kinetics and mechanisms of the metabolic and excretory processes, and the integration of xenobiotic metabolism in the activation and detoxication of carcinogens. Organized into 14 chapters, this book begins with an overview of the enzymatic basis for the metabolic activation of foreign compounds in forming reactive chemical intermediates. The first few chapters discuss the identification of reactive electrophiles derived from xenobiotics, intratissue distribution of activating and detoxicating enzymes, enzymatic and non-enzymatic modes of xenobiotic metabolism, and unmetabolized compounds. The middle chapters explore the biological basis of detoxication of oxygen free radicals, physiologic and kinetic aspects of the fate of xenobiotics, excretion of xenobiotics, and effects of nutrition on detoxication. The remaining chapters look at the relationships between the enzymes of detoxication and host defense mechanisms, metabolic basis of target organ toxicity, the enzymatic factor in selective toxicity, and intraindividual and interindividual variations in rates of hepatic metabolism of exogenous chemicals. Pharmacologists, toxicologists, and biochemists will find this book highly informative.
Author: William B. Jakoby Publisher: Elsevier ISBN: 0323138209 Category : Science Languages : en Pages : 384
Book Description
Enzymatic Basis of Detoxication, Volume II, reviews the state of knowledge on foreign compound metabolism at the level of what specific enzymes can do. The book attempts to provide a holistic view of the information gleaned from work with specific, purified enzymes encompassing as many mammalian sources as have been studied. The book is organized into two parts. Part I on conjugation reactions and related systems includes studies on the properties of glucuronide formation; the physiological function, assay, and purificatgion of function of bilirubin-glucuronoside glucuronosyltransferase; the roles of N- and O-methylation reactions and glutathione transferases in detoxication; and amino acid conjugation. Part II presents studies on hydrolytic systems, covering the role of epoxide hydrolase, carboxylesterases, and amidases in detoxication and the regulatory effects of these enzymes. This book provides pharmacologists and toxicologists with the biochemical view of detoxication, and biochemists with the corresponding pharmacological and toxicological aspects.
Author: William B. Jakoby Publisher: Academic Press ISBN: Category : Medical Languages : en Pages : 440
Book Description
Enzymatic Basis of Detoxication, Volume I focuses on the catalytic mechanisms and physiological expression of the enzymes that are involved in the detoxication of foreign compounds. The book explores foreign compound metabolism at the level of what specific enzymes can do. This book is organized into three sections and comprised of 17 chapters. The discussion begins with an overview of detoxication and covers both catalytic and non-catalytic removal of foreign substances, along with the general properties of the enzymes that are active in detoxication. The reader is then introduced to the physiological aspects of detoxication, paying particular attention to the kinetic aspects of metabolism and elimination of foreign compounds in animals, human genetic variation in detoxication enzymes, and how such enzymes are induced. The next section focuses on mixed function oxygenase systems and includes chapters on cytochrome P-450 and the detoxication reactions it catalyzes. The book also considers other oxidation-reduction systems, with reference to alcohol dehydrogenase, aldehyde reductase, aldehyde oxidizing enzymes, ketone reductases, xanthine oxidase and aldehyde oxidase, glutathione peroxidase, and superoxide dismutases. The final chapter is devoted to monoamine oxidase, its properties, substrate specificity, inhibitors, kinetics and mechanism, and multiple forms. Pharmacologists, toxicologists, and biochemists will find this book extremely helpful.
Author: William B. Jakoby Publisher: Academic Press ISBN: Category : Medical Languages : en Pages : 392
Book Description
Enzymatic Basis of Detoxication, Volume II, reviews the state of knowledge on foreign compound metabolism at the level of what specific enzymes can do. The book attempts to provide a holistic view of the information gleaned from work with specific, purified enzymes encompassing as many mammalian sources as have been studied. The book is organized into two parts. Part I on conjugation reactions and related systems includes studies on the properties of glucuronide formation; the physiological function, assay, and purificatgion of function of bilirubin-glucuronoside glucuronosyltransferase; the roles of N- and O-methylation reactions and glutathione transferases in detoxication; and amino acid conjugation. Part II presents studies on hydrolytic systems, covering the role of epoxide hydrolase, carboxylesterases, and amidases in detoxication and the regulatory effects of these enzymes. This book provides pharmacologists and toxicologists with the biochemical view of detoxication, and biochemists with the corresponding pharmacological and toxicological aspects.
Author: William B. Jakoby
Author: William B. Jakoby
Author: WB Jakoby (Ed)
Author: William B. Jakoby
Author: John Caldwell
Author: 
Author: William B. Jakoby
Author: William B. Jakoby
Author: John Caldwell
Author: William B. Jakoby
Author: William B. Jakoby