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To determine whether loss of LARGE2 is found in other tumor types, we analyzed human clear cell renal cell carcinoma (ccRCC) samples by immunohistochemistry and via in silico analysis with the Cancer Genome Atlas (TCGA). Our work demonstrated a frequent and significant downregulation of LARGE2 expression and its association with DG hypoglycosylation. Additionally, we found the loss of LARGE2 strongly associated with increased mortality. Thus, we again demonstrated a functional requirement of LARGE2 but also found a clinical correlate with increased mortality. Finally, we examined the functional outcome of DG hypoglycosylation or loss of expression in both a mouse model of prostate cancer and a variety of cell lines models. We found that while loss of DG expression does not increase prostate cancer growth or metastasis in one model of cancer, loss of its glycosylation does seem to mediate downstream metabolic changes within cells. The mechanism for this change remains unclear. In summary, these studies have contributed to our understanding of DG glycosylation and function in both prostate and renal carcinoma. Additionally, we have shown a novel mechanism by which DG glycosylation is lost with downregulation of LARGE2 expression. Finally, while we were unable to demonstrate a clear mechanism by which signaling changes arose, we were able to demonstrate a strong correlation between DG hypoglycosylation and increased mortality in ccRCC. These insights could be used to improve treatment of multiple cancer types as our understanding of DG function continues to improve.
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.
A new focus on glycoscience, a field that explores the structures and functions of sugars, promises great advances in areas as diverse as medicine, energy generation, and materials science, this report finds. Glycans-also known as carbohydrates, saccharides, or simply as sugars-play central roles in many biological processes and have properties useful in an array of applications. However, glycans have received little attention from the research community due to a lack of tools to probe their often complex structures and properties. Transforming Glycoscience: A Roadmap for the Future presents a roadmap for transforming glycoscience from a field dominated by specialists to a widely studied and integrated discipline, which could lead to a more complete understanding of glycans and help solve key challenges in diverse fields.
This book has been described as the bible of muscle disease, from both a scientific and a clinical point of view. It is a comprehensive work that explains and illustrates in detail all pathological reactions of skeletal muscles that occur in human disease. The microscopic changes are illustrated by histochemistry, immunocytochemistry, resin histology, and electron microscopy. The pathological findings are correlated with the clinical picture whenever possible. The interpretation of the findings is scientifically based. To facilitate this process, the fundamentals of normal histology and biology of the muscle cell are also covered.The book has been thoroughly revised and expanded for this Second Edition to provide up-to-date coverage of the relevant molecular biology and molecular genetics, as well as extensive references. It has been well organized and richly illustrated by the authors, who have been at the forefront of muscle pathology and neuromuscular research for 35 years. This practical reference work is intended for neuropathologists, neurologists, and general pathologists who look at muscle biopsies. It will also serve as an introduction to muscle disease for neurology and pathology residents.
The cytoskeleton is a highly dynamic intracellular platform constituted by a three-dimensional network of proteins responsible for key cellular roles as structure and shape, cell growth and development, and offering to the cell with "motility" that being the ability of the entire cell to move and for material to be moved within the cell in a regulated fashion (vesicle trafficking). The present edition of Cytoskeleton provides new insights into the structure-functional features, dynamics, and cytoskeleton's relationship to diseases. The authors' contribution in this book will be of substantial importance to a wide audience such as clinicians, researches, educators, and students interested in getting updated knowledge about molecular basis of cytoskeleton, such as regulation of cell vital processes by actin-binding proteins as cell morphogenesis, motility, their implications in cell signaling, as well as strategies for clinical trial and alternative therapies based in multitargeting molecules to tackle diseases, that is, cancer.
Rewritten and redesigned, this remains the one essential text on the diseases of skeletal muscle.
Neuromuscular Disorders presents a multi-disciplinary approach to the management and therapeutic treatment of the full range of neuromuscular disorders and resulting complications. Dr. Tulio Bertorini and a contributing team of the world’s leading authorities in the field provide the latest tools and strategies for minimizing disability and maximizing quality of life. Effectively treat your patients using the latest management tools and targeted therapeutic strategies. Manage all neuromuscular disorders as well as resulting complications through comprehensive coverage of diagnosis and evaluations, treatments, and outcomes. Apply the multi-disciplinary approach of an expert in clinical neuromuscular care and a team of world-renown contributors. Easily refer to tools for diagnosis, treatment algorithms, and drug tables included throughout the text.
The evolution of single cells into multicellular organisms was mediated, in large part, by the extracellular matrix. The proteins and glycoconjugates that make up the extracellular matrix provide structural support to cellular complexes, facilitate cell adhesion and migration, and impart mechanical properties that are important for tissue function. Each class of ECM macromolecule has evolved to incorporate distinctive properties that are defined by conserved modules that are mixed together to achieve appropriate function. This volume provides a comprehensive analysis of how the major ECM components evolved over time in order to fill their specific roles found in modern organisms. The major focus is on the structural matrix proteins, matricellular proteins, and more complex ECM structures such as basement membranes. Adhesive proteins and their receptors are also discussed.
Post-translational modifications serve many different purposes in several cellular processes such as gene expression, protein folding and transport to appropriate cell compartment, protein-lipid and protein-protein interactions, enzyme regulation, signal transduction, cell proliferation and differentiation, protein stability, recycling and degradation. Although several-hundred different modifications are known, the significance of many of them remains unknown. The enormous versatility of the modifications which frequently alter the physico-chemical properties of the respective proteins represents an extraordinary challenge in understanding their physiological role. Since essential cellular functions are regulated by protein modifications, an improvement of current understanding of their meaning might allow new avenues to prevent and/or alleviate human and animal diseases.
Neuromuscular disorders are diagnosed across the lifespan and create many challenges especially with infants, children and adolescents. This new edition of the definitive reference, edited by the established world renowned authorities on the science, diagnosis and treatment of neuromuscular disorders in childhood is a timely and needed resource for all clinicians and researchers studying neuromuscular disorders, especially in childhood. The Second Edition is completely revised to remain current with advances in the field and to insure this remains the standard reference for clinical neurologists and clinical research neurologists. The Second Edition retains comprehensive coverage while shortening the total chapter count to be an even more manageable and effective reference. - Carefully revised new edition of the classic reference on neuromuscular disorders in infancy, childhood and adolescence. - Definitive coverage of the basic science of neuromuscular disease and the latest diagnosis and treatment best practices. - Includes coverage of clinical phenomenology, electrophysiology, histopathology, molecular genetics and protein chemistry