Enzyme Kinetics In Drug Metabolism

Drug metabolism and transport are very important facets within the discipline of pharmaceutical sciences, with enzyme kinetic concepts utilized regularly in characterizing and modeling the disposition and elimination of drugs. Enzyme Kinetics in Drug Metabolism: Fundamentals and Applications focuses on very practical aspects of applying kinetic principles to drug metabolizing enzymes and transporters. Divided into five convenient sections, topics include the fundamental principles of enzyme kinetics, the kinetics of oxidative and conjugative drug metabolizing enzymes and drug transporters, modeling approaches for both drug metabolizing enzymes and transporters including novel systems biology approaches, understanding of variability both experimental and interindividual (pharmacogenomic), and case studies that provide real life examples of applying these principles. Written in the successful Methods in Molecular Biology series format, chapters include introductions to their respective topics especially suitable for the novice, in some cases step-by-step, readily reproducible protocols, and insights to help with troubleshooting and avoiding known pitfalls with extensive cross referencing to assist in learning. Authoritative and easily accessible, Enzyme Kinetics in Drug Metabolism: Fundamentals and Applications serves as a very practical teaching tool for novice, non-mathematically trained scientists interested in these fundamental concepts and as an aid for their supervisors in teaching these principles.

Drug Metabolism and Pharmacokinetics Quick Guide covers a number of aspects of drug assessment at drug discovery and development stages, topics such as pharmacokinetics, absorption, metabolism, enzyme kinetics, drug transporters, drug interactions, drug-like properties, assays and in silico calculations. It covers key concepts, with useful tables on physiological parameters (eg. blood flow to organs in x-species, expression and localization of enzymes and transporters), chemical structure, nomenclature, and moieties leading to bioactivation (with examples). Overall it includes a number of key topics useful at the drug discovery stage, which would serve as a quick reference with several examples from the literature to illustrate the concept.

The essentials of drug metabolism vital to developing new therapeutic entities Information on the metabolism and disposition of candidate drugs is a critical part of all aspects of the drug discovery and development process. Drug metabolism, as practiced in the pharmaceutical industry today, is a complex, multidisciplinary field that requires knowledge of sophisticated analytical technologies and expertise in mechanistic and kinetic enzymology, organic reaction mechanism, pharmacokinetic analysis, animal physiology, basic chemical toxicology, preclinical pharmacology, and molecular biology. With chapters contributed by experts in their specific areas, this reference covers: * Basic concepts of drug metabolism * The role of drug metabolism in the pharmaceutical industry * Analytical techniques in drug metabolism * Common experimental approaches and protocols Drug Metabolism in Drug Design and Development emphasizes practical considerations such as the data needed, the experiments and analytical methods typically employed, and the interpretation and application of data. Chapters highlight facts, common protocols, detailed experimental designs, applications, and limitations of techniques. This is a comprehensive, hands-on reference for drug metabolism researchers as well as other professionals involved in pre-clinical drug discovery and development.

The science and applied approaches of enzyme inhibition in drug discovery and development Offering a unique approach that includes both the pharmacologic and pharmaco-kinetic aspects of enzyme inhibition, Enzyme Inhibition in Drug Discovery and Development examines the scientific concepts and experimental approaches related to enzyme inhibition as applied in drug discovery and drug development. With chapters written by over fifty leading experts in their fields, Enzyme Inhibition in Drug Discovery and Development fosters a cross-fertilization of pharmacology, drug metabolism, pharmacokinetics, and toxicology by understanding the "good" inhibitions—desirable pharmacological effects—and "bad" inhibitions—drug–drug interactions and toxicity. The book discusses: The drug discovery process, including drug discovery strategy, medicinal chemistry, analytical chemistry, drug metabolism, pharmacokinetics, and safety biomarker assessment The manipulations of drug metabolizing enzymes and transporters as well as the negative consequences, such as drug–drug interactions The inhibition of several major drug target pathways, such as the GPCR pathway, the NFkB pathway, and the ion channel pathway Through this focused, single-source reference on the fundamentals of drug discovery and development, researchers in drug metabolism and pharmacokinetics (DMPK) will learn and appreciate target biology in drug discovery; discovery biologists and medicinal chemists will also broaden their understanding of DMPK.

The book provides an exhaustive, authoritative and updated review on the interindividual variability in drug metabolism in humans. Four chapters address the general background: genetic factors causing variability, interethnic variability, environmental factors and developing and ageing as sources of variability. Six chapters address variability of drug metabolism in vivo: variability of psychotropic drugs, antiepileptic drugs, the dopamine precursor levodopa, cardiovascular active drugs and anti HIV drugs. Seven chapters address the interindividual variability of the main drug metabolizing enzymes: CYP-450s, acetyltransferases, glucuronosyl transferase, methyl transferases, sulfotransferases and glutathione transferases in human liver and extrahepatic tissues. A separate chapter discusses the prediction of drug interaction. Comprehensive in coverage, and with contributions from the leading international experts, this book is essential reading for researchers from both academia and the pharmaceutical industry. Advanced undergraduates and postgraduates in pharmacology, clinical pharmacology, toxicology, biochemistry and epidemiology who are interested in drug metabolism will also find this an indispensable resource.

In order to understand drug metabolism at its most fundamental level, pharmaceutical scientists must be able to analyze drug compound structures and predict possible metabolic pathways in order to avoid the risk of adverse reactions that lead to the withdrawal of a drug from the market. This comprehensive textbook will aid in guiding students throu

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This reference presents comprehensive coverage of the preclinical, clinical, toxicological, regulatory, and marketing perspectives of metabolism-based drug-drug interactions-relating pharmacokinetic concepts to Michaelis-Menten kinetics. The book provides helpful examples, representative enzyme systems, and computer-aided modeling to clarify key concepts. It offers nearly 200 useful tables, equations, drawings, and photographs, and contributions by world-renowned experts in the field. They discuss kinetics-based in vitro-in vivo correlations, methods for the development of a metabolic drug interaction (MDI) database, and more.