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Protein Turnover And Lysosome Function
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Book Synopsis Protein Turnover and Lysosome Function by : Harold L. Segal
Download or read book Protein Turnover and Lysosome Function written by Harold L. Segal and published by . This book was released on 1978 with total page 826 pages. Available in PDF, EPUB and Kindle. Book excerpt: Protein Turnover and Lysosome Function comprises the proceedings of a symposium under the same title held at the State University of New York at Buffalo on August 21-26, 1977. The book discusses mechanisms of protein turnover, as well as the identification and characterization of intracellular proteases. The text also describes the internalization of macromolecules into the intracellular digestive system; the types of specificity entailed; and the fate of the membrane material involved in the vacuolization process. Biochemists, pathologists, cell biologists, molecular biologists, and physiologists will find the book invaluable.
Book Synopsis Protein Turnover and Lysosome Function by : Harold L. Segal
Download or read book Protein Turnover and Lysosome Function written by Harold L. Segal and published by Academic Press. This book was released on 2014-06-28 with total page 811 pages. Available in PDF, EPUB and Kindle. Book excerpt: Protein Turnover and Lysosome Function comprises the proceedings of a symposium under the same title held at the State University of New York at Buffalo on August 21-26, 1977. The book discusses mechanisms of protein turnover, as well as the identification and characterization of intracellular proteases. The text also describes the internalization of macromolecules into the intracellular digestive system; the types of specificity entailed; and the fate of the membrane material involved in the vacuolization process. Biochemists, pathologists, cell biologists, molecular biologists, and physiologists will find the book invaluable.
Book Synopsis The Role of Protein and Amino Acids in Sustaining and Enhancing Performance by : Institute of Medicine
Download or read book The Role of Protein and Amino Acids in Sustaining and Enhancing Performance written by Institute of Medicine and published by National Academies Press. This book was released on 1999-09-15 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is a commonly held belief that athletes, particularly body builders, have greater requirements for dietary protein than sedentary individuals. However, the evidence in support of this contention is controversial. This book is the latest in a series of publications designed to inform both civilian and military scientists and personnel about issues related to nutrition and military service. Among the many other stressors they experience, soldiers face unique nutritional demands during combat. Of particular concern is the role that dietary protein might play in controlling muscle mass and strength, response to injury and infection, and cognitive performance. The first part of the book contains the committee's summary of the workshop, responses to the Army's questions, conclusions, and recommendations. The remainder of the book contains papers contributed by speakers at the workshop on such topics as, the effects of aging and hormones on regulation of muscle mass and function, alterations in protein metabolism due to the stress of injury or infection, the role of individual amino acids, the components of proteins, as neurotransmitters, hormones, and modulators of various physiological processes, and the efficacy and safety considerations associated with dietary supplements aimed at enhancing performance.
Book Synopsis Intracellular Protein Degradation by : A.J. Rivett
Download or read book Intracellular Protein Degradation written by A.J. Rivett and published by Elsevier Science. This book was released on 1998-08-07 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume brings together a set of reviews that provide a summary of our current knowledge of the proteolytic machinery and of the pathways of protein breakdown of prokaryotic and eukaryotic cells. Intracellular protein degradation is much more than just a mechanism for the removal of incorrectly folded or damaged proteins. Since many short-lived proteins have important regulatory functions, proteolysis makes a significant contribution to many cellular processes including cell cycle regulation and transciptional control. In addition, limited proteolytic cleavage can provide a rapid and efficient mechanism of enzyme activation or inactivation in eukaryotic cells. In the first chapter, Maurizi provides an introduction to intracellular protein degradation, describes the structure and functions of bacterial ATP-dependent proteases, and explores the relationship between chaperone functions and protein degradation. Many of the principles also apply to eukaryotic cells, although the proteases involved are often not the same. Interestingly, homologues of one of the bacterial proteases, Ion protease, have been found in mitochondria in yeast and mammals, and homologues of proteasomes, which are found in all eukaryotic cells (see below), have been discovered in some eubacteria. Studies of proteolysis in yeast have contributed greatly to the elucidation of both lysosomal (vacuolar) and nonlysosomal proteolytic pathways in eukaryotic cells. Thumm and Wolf (chapter 2) describe studies that have elucidated the functions of proteasomes in nonlysosomal proteolysis and the contributions of lysosomal proteases to intracellular protein breakdown. Proteins can be selected for degradation by a variety of differen mechanisms. The ubiquitin system is one complex and highly regulated mechanism by which eukaryotic proteins are targetted for degradation by proteosomes. In chapter 3, Wilkinson reviews the components and functions of the ubiquitin system and considers some of the known substrates for this pathway which include cell cycle and transcriptional regulators. The structure and functions of proteosomes and their regulatory components are described in the two subsequent chapters by Tanaka and Tanahashi and by Dubiel and Rechsteiner. Proteasomes were the first known example of threonine proteases. They are multisubunit complexes that, in addition to being responsible for the turnover of most short-lived nuclear and cytoplasmic protein, are also involved in antigen processing for presentation by the MHC class I pathway. Recent studies reviewed by McCracken and colleagues (chapter 6) lead to the exciting conclusion that some ER-associated proteins are degraded by cytosolic proteasomes. Lysosomes are responsible for the degradation of long-lived proteins and for the enhanced protein degradation observed under starvation conditions. In chapter 7 Knecht and colleagues review the lysosomal proteases and describe studies of the roles of lysosomes and the mechanisms for protein uptake into lysosomes. Methods of measuring the relative contribution of different proteolytic systems (e.g., ubiquitin-proteasome pathway, calcium-dependent proteases, lysosomes) to muscle protein degradation, and the conclusions from such studies, are reviewed by Attai and Taillinder in the following chapter. Finally, proteases play an important role in signaling apoptosis by catalyzing the limited cleavage of enzymes. Mason and Beyette review the role of the major players, caspases, which are both activated by and catalyze limite proteolysis, and also consider the involvement of other protoelytic enzymes in this pathway leading cell death.
Download or read book Lysosomes written by Paul Saftig and published by Springer Science & Business Media. This book was released on 2007-03-20 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lysosomes are membrane-surrounded organelles which are present in all animal cells. The importance of this organelle is underlined by an increasing number of human diseases, which are associated with an impaired function of the lysosomal compartment. This book summarizes the current state-of-the art knowledge about this unique organelle. It addresses the biogenesis of this compartment, the transport of lysosomal proteins, the role of the lysosomal membrane in lysosomal stability and transport, the function of lysosomal proteases and hydrolases, lysosomal storage disorders, and new concepts on how to treat these diseases. In addition to these classical topics, new insights into lysosomal functions are covered by chapters dealing with specialized lysosomes involved in bone resorption and plasma membrane repair, the lysosomal transciptome, and proteome and the emerging role of lysosomes in special forms of autophagy. This book will provide readers with a comprehensive overview into how this fascinating organelle works and how research in the field is developing.
Book Synopsis Biology of the Lysosome by : John B. Lloyd
Download or read book Biology of the Lysosome written by John B. Lloyd and published by Springer Science & Business Media. This book was released on 1996 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: Updates the understanding of the biological and physiological role of the lysosomal system, furthering the effort to systemize the voluminous information being generated by research. The core section of the 12 review papers consider lysosome metabolism; other sections describe how the lysosome compo
Book Synopsis The dynamic state of body constituents by : Rudolf Schoenheimer
Download or read book The dynamic state of body constituents written by Rudolf Schoenheimer and published by . This book was released on 1949 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Essentials of Glycobiology by : Ajit Varki
Download or read book Essentials of Glycobiology written by Ajit Varki and published by CSHL Press. This book was released on 1999 with total page 694 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sugar chains (glycans) are often attached to proteins and lipids and have multiple roles in the organization and function of all organisms. "Essentials of Glycobiology" describes their biogenesis and function and offers a useful gateway to the understanding of glycans.
Book Synopsis Long-lived Proteins in Human Aging and Disease by : Roger J. W. Truscott
Download or read book Long-lived Proteins in Human Aging and Disease written by Roger J. W. Truscott and published by John Wiley & Sons. This book was released on 2021-04-19 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: This authoritative overview on an emerging topic in the molecular life sciences covers all aspects of the aging of (long-lived) proteins. It describes the molecular mechanisms of aging on the protein level, in particular the most common side chain modifications and includes analytical methods to study protein half-life and the accumulation of modifications. Finally, the impact of protein aging on several age-related disases in humans is dissected, and their role in limiting human lifespan is discussed.
Book Synopsis Cardiac Cytoarchitecture by : Elisabeth Ehler
Download or read book Cardiac Cytoarchitecture written by Elisabeth Ehler and published by Springer. This book was released on 2015-03-03 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a collection of expert reviews on different subcellular compartments of the cardiomyocyte, addressing fundamental questions such as how these compartments are assembled during development, how they are changed in and by disease and which signaling pathways have been implicated in these processes so far. As such, it offers the first overview of the cell biology of heart disease of its kind, addressing the needs of cell biology students specializing in vascular and cardiac biology, as well as those of cardiologists and researchers in the field of cell biology.
Book Synopsis Pharmaceuticals in Marine and Coastal Environments by : Juan Carlos Duran-Alvarez
Download or read book Pharmaceuticals in Marine and Coastal Environments written by Juan Carlos Duran-Alvarez and published by Elsevier. This book was released on 2021-06-23 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pharmaceuticals in Marine and Coastal Environments: Occurrence, Effects, and Challenges in a Changing World is divided into three sections that address a) coastal areas as the main entrance of pharmaceuticals into the ocean, b) the occurrence and distribution of pharmaceuticals in the environmental compartments of the ocean media, and c) the effects that such pollutants may cause to the exposed marine organisms. With its comprehensive discussions, the book provides a wide depiction of the current state-of-the-art on these topics in an effort to open new sources of investigation and find suitable solutions. - Includes maps edited by the Water Information Network System of the International Hydrological Program (IHP-WINS) - Provides a compilation of information regarding the occurrence and distribution of pharmaceuticals in the marine environment which will help establish new and more efficient monitoring programs and new research lines - Depicts the most important results of environmental risk assessments that can be used as a first step for further toxicological studies
Book Synopsis Autophagy and Cancer by : Hong-Gang Wang
Download or read book Autophagy and Cancer written by Hong-Gang Wang and published by Springer Science & Business Media. This book was released on 2013-03-30 with total page 267 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the explosion of information on autophagy in cancer, this is an opportune time to speed the efforts to translate our current knowledge about autophagy regulation into better understanding of its role in cancer. This book will cover the latest advances in this area from the basics, such as the molecular machinery for autophagy induction and regulation, up to the current areas of interest such as modulation of autophagy and drug discovery for cancer prevention and treatment. The text will include an explanation on how autophagy can function in both oncogenesis and tumor suppression and a description of its function in tumor development and tumor suppression through its roles in cell survival, cell death, cell growth as well as its influences on inflammation, immunity, DNA damage, oxidative stress, tumor microenvironment, etc. The remaining chapters will cover topics on autophagy and cancer therapy. These pages will serve as a description on how the pro-survival function of autophagy may help cancer cells resist chemotherapy and radiation treatment as well as how the pro-death functions of autophagy may enhance cell death in response to cancer therapy, and how to target autophagy for cancer prevention and therapy − what to target and how to target it.
Book Synopsis Comparative Biology of Aging by : Norman S. Wolf
Download or read book Comparative Biology of Aging written by Norman S. Wolf and published by Springer Science & Business Media. This book was released on 2010-01-08 with total page 397 pages. Available in PDF, EPUB and Kindle. Book excerpt: determined by an inability to move in response to touch. C. elegans develop through four larval stages following hatching and prior to adulthood. Adult C. elegans are reproductive for about the rst week of adulthood followed by approximately two weeks of post-reproductive adulthood prior to death. Life span is most commonly measured in the laboratory by maintaining the worms on the surface of a nutrie- agar medium (Nematode Growth Medium, NGM) with E. coli OP50 as the bacterial food source (REF). Alternative culture conditions have been described in liquid media; however, these are not widely used for longevity studies. Longevity of the commonly used wild type C. elegans hermaphrodite (N2) varies ? from 16 to 23 days under standard laboratory conditions (20 C, NGM agar, E. coli OP50 food source). Life span can be increased by maintaining animals at lower ambient temperatures and shortened by raising the ambient temperature. Use of a killed bacterial food source, rather than live E. coli, increases lifespan by 2–4 days, and growth of adult animals in the absence of bacteria (axenic growth or bac- rial deprivation) increases median life span to 32–38 days [3, 23, 24]. Under both standard laboratory conditions and bacterial deprivation conditions, wild-derived C. elegans hermaphrodites exhibit longevity comparable to N2 animals [25].
Book Synopsis Protein Metabolism in Aging by : Harold L. Segal
Download or read book Protein Metabolism in Aging written by Harold L. Segal and published by . This book was released on 1990-04-17 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work examines recent research in the biochemical basis of aging and offers contributions from an international group of researchers actively engaged in this field. It provides valuable new data on how aging alters protein metabolism and structure, the cell, endocrine and neurobiological functions, and free radicals. The book also explores the effects of dietary restrictions on aging. Specific topics include mechanisms of protein degradation; turnover of plasma membrane proteins in hepatocytes; genetic, biochemical, and molecular studies of cellular senescence; effects of aging and dietary restrictions on protein synthesis; and physiological antioxidant defense and repair systems.
Book Synopsis Lysosomal Cysteine Proteases by : Heidrun Kirschke
Download or read book Lysosomal Cysteine Proteases written by Heidrun Kirschke and published by Oxford University Press, USA. This book was released on 1998 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume examines each known cathepsin in turn, examining gene structure and localization; precursors, purification, activation and inhibition; and hydrolysis of synthetic substrates, polypeptides and proteins.
Book Synopsis Lysosomes by : Frederick R. Maxfield
Download or read book Lysosomes written by Frederick R. Maxfield and published by John Wiley & Sons. This book was released on 2016-06-22 with total page 586 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discussing recent findings, up-to-date research, and novel strategies, the book integrates perspectives from pharmacology, toxicology, and biochemistry to illustrate the potential of lysosomes in drug discovery and development. • Explores basic principles and properties of lysosomes that allow them to act as regulators of cell metabolism, therapeutic targets, and sites for activation of drug conjugates • Discusses the role of lysosomes in metabolism, drug targeting, apoptosis, cancer, aging, inflammation, autophagy, metabolism, toxicity, and membrane repair • Introduces new pathways in therapeutic development and new mechanisms in drug development
Book Synopsis Protein Homeostasis by : Richard I. Morimoto
Download or read book Protein Homeostasis written by Richard I. Morimoto and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proper folding of proteins is crucial for cell function. Chaperones and enzymes that post-translationally modify newly synthesized proteins help ensure that proteins fold correctly, and the unfolded protein response functions as a homeostatic mechanism that removes misfolded proteins when cells are stressed. This book covers the entire spectrum of proteostasis in healthy cells and the diseases that result when control of protein production, protein folding, and protein degradation goes awry.
