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Lipoxygenases and Their Products provides a cogent summary of the advances in understanding lipoxygenases and their products, emphasizing their pharmacology and pathophysiology; regulation and structure; physiological role; and receptors and receptor antagonists. This text also reviews the literature where specific receptor antagonists (as opposed to enzymatic inhibitors) have been used to characterize the pharmacologic action and the pathophysiologic roles of some of lipoxygenase products of arachidonic acid metabolism. This book is organized into 11 chapters and begins with an overview of th ...
This book is a result of the First Conference on Lipoxygenases, held at Malta, May 17th-2l st, 1997. The goal was very ambitious: having lipoxygenases as a focus for distant and diverse experimental approaches, we brought together scientists to discuss and build a consensus on the biological role of lipoxygenases. Although still fuzzy in many details, the Malta conference has shown that a unifying view on lipoxygenases is finally taking shape, and that the experimental evidence of links and conjugations among events OCCUf ing from cell membranes to intracellular compartments and the nucleus is becoming in creasingly convincing. The editors are deeply grateful to Hospital for Sick Children, Toronto, Free Univer sity Berlin, NOAA Sea Grant College Program (U. S. A. ), Schering, Berlin (F. R. G. ), and Cayman Chemicals, Ann Arbor, Michigan (U. S. A. ), for their generous financial support, which was crucial in making the conference a scientific success. The conference received financial support from a number of additional sponsors, and we express our gratitude to Abbott Labs (U. S. A. ), Air Malta (Malta), Ass. Int. Cancer Res. (U. K. ), Biometra (F. R. G. ), Bayer AG (F. R. G. ), IBL Co. (F. R. G. ), Merck Frosst (Canada), Perkin Elmer (F. R. G. ), Scotia Pharmaceuticals (Canada), Searle (U. S. A. ), SPI Chemicals (France), and TOPCRO (Austria).
In this second edition, Edwin Frankel has updated and extended his now well-known book Lipid oxidation which has come to be regarded as the standard work on the subject since the publication of the first edition seven years previously. His main objective is to develop the background necessary for a better understanding of what factors should be considered, and what methods and lipid systems should be employed, to achieve suitable evaluation and control of lipid oxidation in complex foods and biological systems. The oxidation of unsaturated fatty acids is one of the most fundamental reactions in lipid chemistry. When unsaturated lipids are exposed to air, the complex, volatile oxidation compounds that are formed cause rancidity. This decreases the quality of foods that contain natural lipid components as well as foods in which oils are used as ingredients. Furthermore, products of lipid oxidation have been implicated in many vital biological reactions, and evidence has accumulated to show that free radicals and reactive oxygen species participate in tissue injuries and in degenerative disease. Although there have been many significant advances in this challenging field, many important problems remain unsolved. This second edition of Lipid oxidation follows the example of the first edition in offering a summary of the many unsolved problems that need further research. The need to understand lipid oxidation is greater than ever with the increased interest in long-chain polyunsaturated fatty acids, the reformulation of oils to avoid hydrogenation and trans fatty acids, and the enormous attention given to natural phenolic antioxidants, including flavonoids and other phytochemicals.
Amphioxus Immunity: Tracing the Origin of Human Immunity covers a remarkable range of information about Amphioxus and its evolutionary context. This compilation of what is currently known about Amphioxus, with a sharp focus on its immune system, includes 13 topics, such as: - Amphioxus as a model for understanding the evolution of vertebrates - basic knowledge of immunology - immune organs and cells of amphioxus - a genomic and transcriptomic view of the Amphioxus immunity - pattern recognition system in Amphioxus - transcription factors in Amphioxus - the complement system of Amphioxus - the oxidative burst system in Amphioxus - immune effectors in Amphioxus - lipid signaling of immune response in Amphioxus - apoptosis in amphioxus; primitive adaptive immune system of Amphioxus - and future research directions This valuable reference book is loaded with information that will be useful for anyone who wishes to learn more about the origin of vertebrates and adaptive immunity. - Provides new evidence on the origin of the adaptive immune system, the evolution of innate immunity, and evolution-stage specific immune defense mechanisms - Not only presents the cells and molecules involved in the adaptive immune response in Amphioxus, but also characterizes the origination and evolution of the gene families and pathways involved in innate immunity - Includes much pioneering work, from the molecular, genomic, and cellular to the individual level
This comprehensive reference work, updated from the first edition, brings together the knowledge and expertise of contributors from around the world. It includes new topics such as prostaglandin synthetase enzyme, new synthetic eicosanoids, innovative analytical methods, the influence of cytokines in the regulation of synthesis and actions, newer eicosanoids that influence the cardiovascular system, and newly discovered roles in reproduction and interactions with nitric oxide. This book satisfies a surge of interest in prostaglandins—NSAIDS (e.g. aspirin) are the biggest selling drugs of all time, and the field has been refreshed by the advent of new types (selective COX-2 inhibitors, anti-leukotiene drugs).
The endothelium, a monolayer of endothelial cells, constitutes the inner cellular lining of the blood vessels (arteries, veins and capillaries) and the lymphatic system, and therefore is in direct contact with the blood/lymph and the circulating cells. The endothelium is a major player in the control of blood fluidity, platelet aggregation and vascular tone, a major actor in the regulation of immunology, inflammation and angiogenesis, and an important metabolizing and an endocrine organ. Endothelial cells controls vascular tone, and thereby blood flow, by synthesizing and releasing relaxing and contracting factors such as nitric oxide, metabolites of arachidonic acid via the cyclooxygenases, lipoxygenases and cytochrome P450 pathways, various peptides (endothelin, urotensin, CNP, adrenomedullin, etc.), adenosine, purines, reactive oxygen species and so on. Additionally, endothelial ectoenzymes are required steps in the generation of vasoactive hormones such as angiotensin II. An endothelial dysfunction linked to an imbalance in the synthesis and/or the release of these various endothelial factors may explain the initiation of cardiovascular pathologies (from hypertension to atherosclerosis) or their development and perpetuation. Table of Contents: Introduction / Multiple Functions of the Endothelial Cells / Calcium Signaling in Vascular Cells and Cell-to-Cell Communications / Endothelium-Dependent Regulation of Vascular Tone / Conclusion / References
This book provides readers with an up-to-date and comprehensive view on the resolution of inflammation and on new developments in this area, including pro-resolution mediators, apoptosis, macrophage clearance of apoptotic cells, possible novel drug developments.
This reference work focuses on the enzyme systems that participate in the metabolism of chemicals and other xenobiotics, with emphasis being placed on drug metabolism. Each chapter focuses on a specific enzyme system.
This book contains conference presentations regarding the regulation of eicosanoid enzymes and, in particular, cyclooxygenases, lipoxygenases, and phospholipases. The new field of isoprostanes is also represented.
Epigenetics fine-tunes the life processes dictated by DNA sequences, but also kick-starts pathophysiological processes including diabetes, AIDS and cancer. This volume tracks the latest research on epigenetics, including work on new-generation therapeutics.