Evaluation of Enzyme Inhibitors in Drug Discovery


Book Description

Vital information for discovering and optimizing new drugs "Understanding the data and the experimental details that support it has always been at the heart of good science and the assumption challenging process that leads from good science to drug discovery. This book helps medicinal chemists and pharmacologists to do exactly that in the realm of enzyme inhibitors." -Paul S. Anderson, PhD This publication provides readers with a thorough understanding of enzyme-inhibitor evaluation to assist them in their efforts to discover and optimize novel drug therapies. Key topics such as competitive, noncompetitive, and uncompetitive inhibition, slow binding, tight binding, and the use of Hill coefficients to study reaction stoichiometry are all presented. Examples of key concepts are presented with an emphasis on clinical relevance and practical applications. Targeted to medicinal chemists and pharmacologists, Evaluation of Enzyme Inhibitors in Drug Discovery focuses on the questions that they need to address: * What opportunities for inhibitor interactions with enzyme targets arise from consideration of the catalytic reaction mechanism? * How are inhibitors evaluated for potency, selectivity, and mode of action? * What are the advantages and disadvantages of specific inhibition modalities with respect to efficacy in vivo? * What information do medicinal chemists and pharmacologists need from their biochemistry and enzymology colleagues to effectively pursue lead optimization? Beginning with a discussion of the advantages of enzymes as targets for drug discovery, the publication then explores the reaction mechanisms of enzyme catalysis and the types of interactions that can occur between enzymes and inhibitory molecules that lend themselves to therapeutic use. Next are discussions of mechanistic issues that must be considered when designing enzyme assays for compound library screening and for lead optimization efforts. Finally, the publication delves into special forms of inhibition that are commonly encountered in drug discovery efforts, but can be easily overlooked or misinterpreted. This publication is designed to provide students with a solid foundation in enzymology and its role in drug discovery. Medicinal chemists and pharmacologists can refer to individual chapters as specific issues arise during the course of their ongoing drug discovery efforts.




Identification and Quantification of Drugs, Metabolites, Drug Metabolizing Enzymes, and Transporters


Book Description

Identification and Quantification of Drugs, Metabolites, Drug Metabolizing Enzymes, and Transporters, Second Edition, is completely updated to provide an overview of the last decade's numerous advances in analytical technologies for detection and quantification of drugs, metabolites, and biomarkers. This new edition goes beyond LC-MS and features all-new chapters on how to evaluate drug absorption, distribution, metabolism, and excretion, potential for hepatic and renal toxicity, immunogenicity of biotherapeutics and translational tools for predicting human dosage, safety and efficacy of small molecules and biologics. This book will be an important handbook and desk reference for pharmacologists, toxicologists, clinical scientists, and students interested in the fields of pharmacology, biochemistry, and drug metabolism.




Enzymes as Targets for Drug Design


Book Description

Enzymes as Targets for Drug Design is a collection of scientific discussions related to enzyme inhibitors that show the many facets of the drug discovery process from the basic sciences through clinical applications. Topics include the biogenesis of phosphatidylinositol glycosyl membrane proteins, structure and catalytic function of ADP-ribose polymerase (ADPRT), and modulation of the dopaminergic system in cardiovascular therapeutics. The therapeutic utility of selected enzyme-activated irreversible inhibitors, the role of proteinases in the fibrosis of systemic sclerosis, and therapeutic opportunities in eicosanoid biosynthesis are also discussed. This book consists of 18 chapters and begins with examples of enzymes whose activities have recently been elucidated, or for which newer insights have been gleaned, but which do not yet have selective or potent inhibitors. The second part provides examples of enzymes where inhibitors have been identified but it is still not clear whether or not such an enzymatic blockade will be therapeutically beneficial. The final section describes clinical studies of newer, and not so new, enzyme inhibitors that are clearly of therapeutic importance. The therapeutic activity of monoamine oxidase inhibitors and the associated clinical issues are considered. This book is intended for clinicians as well as basic scientists in biochemistry, chemistry, pharmacology, and cell biology.




Pharmaceutical Enzymes


Book Description

This well-integrated, one-of-a-kind resource offers comprehensive, interdisciplinary analyses of the entire pharmaceutical enzyme field-from molecular biology to clinical pharmacology. Highlights practical, previously unpublished information, immediately useful in industry and academic institutions! Emphasizing pharmacology and clinical impact, Pharmaceutical Enzymes discusses robust methods of measurement and evaluation reviews current knowledge on the bioavailability of pharmaceutical enzymes presents different chemical approaches to tailoring enzymes for the improvement of therapeutic effectiveness provides a step-by-step approach to molecular modeling describes recently introduced pharmaceutical products, including glucocerebrosidase for the treatment of Gaucher's disease and deoxyribonuclease for cystic fibrosis furnishes unique laboratory guidelines for the testing and quality control of pharmaceutical enzymes and more! With over 1200 bibliographic citations, figures, and tables, Pharmaceutical Enzymes is an indispensable, day-to-day reference for pharmacologists, enzymologists, microbiologists, organic and medicinal chemists and biochemists, biophysicists, biotechnologists, molecular and membrane biologists, immunologists, physiologists, pharmaceutical development managers, regulatory affairs personnel, and graduate-level students in these disciplines.




Metabolism of Drugs and Other Xenobiotics


Book Description

A practice-oriented desktop reference for medical professionals, toxicologists and pharmaceutical researchers, this handbook provides systematic coverage of the metabolic pathways of all major classes of xenobiotics in the human body. The first part comprehensively reviews the main enzyme systems involved in biotransformation and how they are orchestrated in the body, while parts two to four cover the three main classes of xenobiotics: drugs, natural products, environmental pollutants. The part on drugs includes more than 300 substances from five major therapeutic groups (central nervous system, cardiovascular system, cancer, infection, and pain) as well as most drugs of abuse including nicotine, alcohol and "designer" drugs. Selected, well-documented case studies from the most important xenobiotics classes illustrate general principles of metabolism, making this equally useful for teaching courses on pharmacology, drug metabolism or molecular toxicology. Of particular interest, and unique to this volume is the inclusion of a wide range of additional xenobiotic compounds, including food supplements, herbal preparations, and agrochemicals.




Enzymes and Their Inhibitors


Book Description

Focusing on the development of enzyme inhibitors as therapeutic drugs, Enzymes and Their Inhibitors: Drug Development provides a concise overview of the chemistry of major types of enzymes and their inhibitors. The opening chapters introduce readers to the structure, functions, mechanisms, and kinetics of enzymes, including their use as disease mar




Evaluation of Enzyme Inhibitors in Drug Discovery


Book Description

Offers essential guidance for discovering and optimizing novel drug therapies Using detailed examples, Evaluation of Enzyme Inhibitors in Drug Discovery equips researchers with the tools needed to apply the science of enzymology and biochemistry to the discovery, optimization, and preclinical development of drugs that work by inhibiting specific enzyme targets. Readers will applaud this book for its clear and practical presentations, including its expert advice on best practices to follow and pitfalls to avoid. This Second Edition brings the book thoroughly up to date with the latest research findings and practices. Updates explore additional forms of enzyme inhibition and special treatments for enzymes that act on macromolecular substrates. Readers will also find new discussions detailing the development and application of the concept of drug-target residence time. Evaluation of Enzyme Inhibitors in Drug Discovery begins by explaining why enzymes are such important drug targets and then examines enzyme reaction mechanisms. The book covers: Reversible modes of inhibitor interactions with enzymes Assay considerations for compound library screening Lead optimization and structure-activity relationships for reversible inhibitors Slow binding and tight binding inhibitors Drug-target residence time Irreversible enzyme inactivators The book ends with a new chapter exploring the application of quantitative biochemical principles to the pharmacologic evaluation of drug candidates during lead optimization and preclinical development. The Second Edition of Evaluation of Enzyme Inhibitors in Drug Discovery continues to offer a treatment of enzymology applied to drug discovery that is quantitative and mathematically rigorous. At the same time, the clear and simple presentations demystify the complex science of enzymology, making the book accessible to many fields— from pharmacology to medicinal chemistry to biophysics to clinical medicine.




Enzybiotics


Book Description

Presents the latest research and applications for a new, promising approach to fighting infectious diseases Enzybiotics is a promising way of fighting bacterial or fungal infectious diseases by using viruses or viral-derived lysins. Drawing from the fields of medicinal chemistry, microbiology, genetics, and biochemistry, this book presents the state of the science in enzybiotics research, fully exploring its emerging therapeutic applications. The book begins with four chapters that review the potential applications, possible advantages, and phylogeny of enzybiotics. Next, the book explores: A new approach to controlling infections using Gram-negative bacteria Bacteriophage holins and their membrane-disrupting activity Anti-staphylococcal lytic enzymes Membrane-targeted enzybiotics Design of phage cocktails for therapy from a host-range point of view Novel methods to identify new enzybiotics Genetically modified phages that deliver suicidal genes to target bacteria The authors, all active enzybiotics researchers, offer a variety of perspectives, the benefit of their own hands-on investigations, as well as a thorough review and analysis of the current literature. As more and more bacteria become resistant to antibiotics, the development of new disease-fighting agents has become essential. This book demonstrates the full potential of the emerging field of enzybiotics to control infectious diseases. Moreover, it will serve as a springboard for new research and the development of new therapeutics.




Enzyme Kinetics in Drug Metabolism


Book Description

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.




Research Advancements in Pharmaceutical, Nutritional, and Industrial Enzymology


Book Description

Enzymes have interesting applications in our biological system and act as valuable biocatalysts. Their various functions allow enzymes to develop new drugs, detoxifications, and pharmaceutical chemistry. Research Advancements in Pharmaceutical, Nutritional, and Industrial Enzymology provides emerging research on biosynthesis, enzymatic treatments, and bioengineering of medicinal waste. While highlighting issues such as structural implications for drug development and food applications, this publication explores information on various applications of enzymes in pharmaceutical, nutritional, and industrial aspects. This book is a valuable resource for medical professionals, pharmacists, pharmaceutical companies, researchers, academics, and upper-level students seeking current information on developing scientific ideas for new drugs and other enzymatic advancements.