The Exocrine Pancreas

The Exocrine Pancreas

Author: Stephen Pandol

Publisher: Morgan & Claypool Publishers

Published: 2011

Total Pages: 66

ISBN-13: 1615041389

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The secretions of the exocrine pancreas provide for digestion of a meal into components that are then available for processing and absorption by the intestinal epithelium. Without the exocrine pancreas, malabsorption and malnutrition result. This chapter describes the cellular participants responsible for the secretion of digestive enzymes and fluid that in combination provide a pancreatic secretion that accomplishes the digestive functions of the gland. Key cellular participants, the acinar cell and the duct cell, are responsible for digestive enzyme and fluid secretion, respectively, of the exocrine pancreas. This chapter describes the neurohumoral pathways that mediate the pancreatic response to a meal as well as details of the cellular mechanisms that are necessary for the organ responses, including protein synthesis and transport and ion transports, and the regulation of these responses by intracellular signaling systems. Examples of pancreatic diseases resulting from dysfunction in cellular mechanisms provide emphasis of the importance of the normal physiologic mechanisms.


Flavin-Dependent Enzymes: Mechanisms, Structures and Applications

Flavin-Dependent Enzymes: Mechanisms, Structures and Applications

Author:

Publisher: Academic Press

Published: 2020-09-21

Total Pages: 568

ISBN-13: 012820138X

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The Enzymes, Volume 47, highlights new advances in the field, with this new volume presenting interesting chapters on The Multipurpose Family of Oxidases, Vanillyl alcohol oxidase, Choline oxidases, Aryl alcohol oxidase, D- and L-amino acid oxidases, Sugar oxidases, Phenolic Compounds hydroxylases, Baeyer-Villiger Monooxygenases, Flavin-dependent halogenases, Flavin-dependent dehalogenases, Styrene Monooxygenases, Bacterial luciferases, Cellobiose Dehydrogenases, Prenylated flavoenzymes, Ene-reductases, Flavoenzymes in Biocatalysis. Provides the authority and expertise of leading contributors from an international board of authors Presents the latest release in The Enzymes series


The Enzymes

The Enzymes

Author:

Publisher: Elsevier

Published: 2023-11-07

Total Pages: 318

ISBN-13: 0443136920

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The Enzymes, Volume 54 highlights new advances in enzymes, with new chapters on a variety of topics, including the History of The Enzymes, Impact of The Enzymes in chronicling biochemical processes and pathways, Metabolism and Catalysis, Mitochondrial ATP synthase, The respiratory chain, A century of mitochondrial research, Five decades of metalloenzymology, Mechanisms of catalysis, Mitochondrial fatty acid synthesis and associated processes, Signaling, MAPK cascades: Origins, mechanisms and current status, Sphingolipids: From structural components to signaling hubs, Protein Homeostasis and Hydrolysis, Mitochondrial AAA+ proteases, Hsp70 and JDP proteins: structure-function perspective on molecular chaperone activity. Other sections cover DNA Replication and Repair, Structure-function studies of DNA replication proteins, and Helicases required for nucleotide excision repair. Provides the authority and expertise of leading contributors from an international board of authors Updated release includes the latest information on enzymes


Enzymes

Enzymes

Author: D. A. Lopez

Publisher:

Published: 1994

Total Pages: 354

ISBN-13: 9781884303005

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Reviews the role of enzymes in health and disease, with emphasis on their importance in maintaining our health, disease prevention and their uses in medicine.


Enzymes

Enzymes

Author: Robert A. Copeland

Publisher: John Wiley & Sons

Published: 2004-04-07

Total Pages: 416

ISBN-13: 0471461857

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Fully updated and expanded-a solid foundation for understandingexperimental enzymology. This practical, up-to-date survey is designed for a broadspectrum of biological and chemical scientists who are beginning todelve into modern enzymology. Enzymes, Second Editionexplains the structural complexities of proteins and enzymes andthe mechanisms by which enzymes perform their catalytic functions.The book provides illustrative examples from the contemporaryliterature to guide the reader through concepts and data analysisprocedures. Clear, well-written descriptions simplify the complexmathematical treatment of enzyme kinetic data, and numerouscitations at the end of each chapter enable the reader to accessthe primary literature and more in-depth treatments of specifictopics. This Second Edition of Enzymes: A Practical Introductionto Structure, Mechanism, and Data Analysis features refinedand expanded coverage of many concepts, while retaining theintroductory nature of the book. Important new featuresinclude: A new chapter on protein-ligand binding equilibria Expanded coverage of chemical mechanisms in enzyme catalysisand experimental measurements of enzyme activity Updated and refined discussions of enzyme inhibitors andmultiple substrate reactions Coverage of current practical applications to the study ofenzymology Supplemented with appendices providing contact information forsuppliers of reagents and equipment for enzyme studies, as well asa survey of useful Internet sites and computer software forenzymatic data analysis, Enzymes, Second Edition isthe ultimate practical guide for scientists and students inbiochemical, pharmaceutical, biotechnical, medicinal, andagricultural/food-related research.


Handbook of Proteolytic Enzymes, Volume 1

Handbook of Proteolytic Enzymes, Volume 1

Author: Alan J. Barrett

Publisher: Elsevier

Published: 2012-12-02

Total Pages: 1182

ISBN-13: 0080984150

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Handbook of Proteolytic Enzymes, Second Edition, Volume 1: Aspartic and Metallo Peptidases is a compilation of numerous progressive research studies on proteolytic enzymes. This edition is organized into two main sections encompassing 328 chapters. This handbook is organized around a system for the classification of peptidases, which is a hierarchical one built on the concepts of catalytic type, clan, family and peptidase. The concept of catalytic type of a peptidase depends upon the chemical nature of the groups responsible for catalysis. The recognized catalytic types are aspartic, cysteine, metallo, serine, threonine, and the unclassified enzymes, while clans and families are groups of homologous peptidases. Homology at the level of a family of peptidases is shown by statistically significant relationship in amino acid sequence to a representative member called the type example, or to another member of the family that has already been shown to be related to the type example. Each chapter discusses the history, activity, specificity, structural chemistry, preparation, and biological aspects of the enzyme. This book will prove useful to enzyme chemists and researchers.


Viral Replication Enzymes and their Inhibitors Part A

Viral Replication Enzymes and their Inhibitors Part A

Author:

Publisher: Academic Press

Published: 2021-10-23

Total Pages: 370

ISBN-13: 0128234695

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Viral Replication Enzymes and their Inhibitors Part A, Volume 49, the latest release in the Enzymes series, highlights new advances in the field, with this new volume presenting interesting chapters on a variety of related topics. Provides the authority and expertise of leading contributors from an international board of authors Presents the latest release in The Enzymes series


Enzymes

Enzymes

Author: T Palmer

Publisher: Elsevier

Published: 2007-04-04

Total Pages: 434

ISBN-13: 0857099922

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In recent years, there have been considerable developments in techniques for the investigation and utilisation of enzymes. With the assistance of a co-author, this popular student textbook has been updated to include techniques such as membrane chromatography, aqueous phase partitioning, engineering recombinant proteins for purification and due to the rapid advances in bioinformatics/proteomics, a discussion of the analysis of complex protein mixtures by 2D-electrophoresis and RPHPLC prior to sequencing by mass spectroscopy. Written with the student firmly in mind, no previous knowledge of biochemistry, and little of chemistry, is assumed. It is intended to provide an introduction to enzymology, and a balanced account of all the various theoretical and applied aspects of the subject which are likely to be included in a course. Provides an introduction to enzymology and a balanced account of the theoretical and applied aspects of the subject Discusses techniques such as membrane chromatography, aqueous phase partitioning and engineering recombinant proteins for purification Includes a discussion of the analysis of complex protein mixtures by 2D-electrophoresis and RPHPLC prior to sequencing by mass spectroscopy


Food Enzymes for Health & Longevity

Food Enzymes for Health & Longevity

Author: Edward Howell

Publisher: Lotus Press (WI)

Published: 2015-01-07

Total Pages: 0

ISBN-13: 9780940676275

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With an expanded introduction by Viktoras Kulvinskas, this new, enlarged edition of the classic book contains over 400 references to scientific literature that contributed to the formulation of Dr. Howell's revolutionary "food enzyme concept." The second edition incorporated an interview of the author by Viktoras Kulvinskas. There is also an extensive new foreword by Viktoras Kulvinskas that has been added to this revised 3rd edition, as well as a new research appendix at the end. The foreword adds a very substantial body of recent and updated research to support the food enzyme concept of Dr. Howell and underline the importance of food enzymes.


Enzymes: A Very Short Introduction

Enzymes: A Very Short Introduction

Author: Paul Engel

Publisher: Oxford University Press

Published: 2020-11-26

Total Pages: 193

ISBN-13: 0192558811

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Enzymes are the astonishing, tiny molecular machines that make life possible. Each one of these small proteins speeds up a single chemical reaction inside a living organism many millionfold. Working together, teams of enzymes carry out all the processes that collectively we recognise as life, from making DNA to digesting food. This Very Short Introduction explains the why and the how of speeding up these reactions - catalysis - before going on to reveal how we have evolved these catalysts of such extraordinary power and exquisite selectivity. Paul Engel shows how X-ray crystallography has revealed the complex molecular shapes that allow enzymes to function at an extraordinarily sophisticated level. He also examines medical aspects of enzymes, both in the way faulty enzymes cause disease and in the way enzymes can be used for diagnosis and therapy. Finally, he looks at the many varied ways in which individual enzymes, taken out of their biological context, are used nowadays as tools - in washing powders, food production, waste treatment, and chemical synthesis. ABOUT THE SERIES: The Very Short Introductions series from Oxford University Press contains hundreds of titles in almost every subject area. These pocket-sized books are the perfect way to get ahead in a new subject quickly. Our expert authors combine facts, analysis, perspective, new ideas, and enthusiasm to make interesting and challenging topics highly readable.