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Books > Medicine > Pre-clinical medicine: basic sciences > Physiology
Most of the clinical trials initiated to promote neovascularization of ischemic myocardial or peripheral muscle tissue have failed to provide significant improvement of prespecified endpoints. This volume examines current refinements in the fundamental concept of neovascularization. It describes the most recent developments, which in the future might pave the way towards a new era of therapeutic applications. Coverage includes sections on such topics as the clinical challenge, novel mechanical and molecular concepts and cell therapy as an option, each composed of chapters written by experts in their fields.
This volume discusses protocols that aid in measuring different components in the renin-angiotensin-aldosterone system (RAAS). The book also looks at the methods used to assess angiotensin peptides and discerning the influence of RAAS components on different mammalian diseases. The chapters cover topics such as the use of fluorescent substrate to measure ACE2 activity in the mouse abdominal aorta, blood pressure monitoring using the radio telemetry method, and the analysis of angiotensin metabolism in the kidney using mass spectrometry. Written in the highly successful Methods in Molecular Biology series format, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Cutting edge and comprehensive, The Renin-Angiotensin-Aldosterone Systems: Methods and Protocols is a valuable resource that provides scientists and researchers with the best approaches to examine RAAS.
Ultradian rhythms play an essential part at all levels of biological organization, providing timekeeping for intracellular processes, playing various roles in intracellular signalling systems and underpinning coherent behaviour in tissues and organs. They are crucial to endocrine and neural performance and in psychobiology. This book brings together the evidence for these findings. In lower eukaryotes short-period rhythms (period 30-70 min) are coupled to an ultradian clock which serves as a central timekeeper. In metazoans, similar rhythms are necessary for intercell communications, and temporal coupling for the coordination of integrated functions of tissues and organs to provide "homeodynamics" of the whole organism. Electrical, endocrine and behavioural rhythms characterize both wakefulness and sleep; pathologically disordered states give rise to dynamic diseases. Chapters on human movements, sleep, attention span and alertness indicate the broad span of this subject. A continuum can now be traced from the molecular genetic, through the cellular and neuroendocrine to the behavioural and psychosocial levels. Many of the results presented in this book are recent and novel, and have far-reaching consequences for our understanding of health and disease. Our first book (published 15 years ago) ended with" Epilogue: The Unification Hypothesis of Chronobiology-Psychobiology from Molecule to Mind." In retrospect we can now recognise how this epilogue was a prescient vision of what is now the cutting edge of epigenetics, bioinformatics, systems biology, neuroscience, and the new sciences of consciousness that are the foundation for the emerging vision of life and philosophy in ourcurrent era. Each of the four parts of this book are successive iterations towards this new integration of the life sciences from molecule to mind and spirit in the emergent ethos of the future.
th This volume contains selected lectures presented at the 12 International Conference on Advances in Prostaglandin, Leukotriene and Other Bioactive Lipid Research: Basic Science and Clinical Applications which was held in Istanbul, Turkey, on August 25-29, 2002. This meeting brought together basic and clinical scientists for the purpose of discussing advances in bioactive lipid research with.special attention to cancer, cardiovascular diseases, gastrointestinal diseases and respiratory diseases. Topics covered included: the role of leukotrienes and lipoxins in of inflammation, the cytochrome P450 pathway, the genetics and genomics bioactive lipids, lipid peroxidation, apoptosis, angiogenesis, isoprostanes, receptors and inhibitors, cyclooxygenase and lipoxygenase pathways and inhibitors, prostaglandin synthases and receptor signaling, phospholipases and inhibitors. Sessions included plenary lectures with expertise in particular areas, oral presentation on selected topics and general poster sessions. J.M. Drazen (Boston, USA) discussed anti-leukotriene treatment in asthma patients while C. Brink (paris, France) presented the recent advances in leukotriene receptors. The recent advances in cytochrome p450 pathway described in the session organized by J.C. McGiff (Valhalla, NY, USA). T. Shimizu (Tokyo, Japan) and M. Balazy (Valhalla, NY, USA) gave an update on phospholipases and arachidonic acid peroxydation. The editors are greatful to the Organizing, Programme and Advisory Committees for their valuable contributions. We greatfully acknowledge the generous financial support provided by PharmaciaIPfizer, Fako Pharmaceuticals Inc. and Novartis Pharmaceuticals Inc. ofthe contributors to this volume, in particular We are also greatful to all to those who delivered their manuscripts by or before the requested deadline.
Is it advisable to go back from bedside to the bench? During the last decade, few topics encountered such a broad interest in bio- gy and medicine as angiogenesis. The amazing ability of the body to restore blood flow by induction of blood vessel growth as part of an adaptive process has alarmed physicians dealing with diseases in which angiogenesis is either exaggerated (as in tumors) or too slow (as in ischemic diseases of heart and brain). Not surprisingly, pro- and antiangiogenic strategies have found their way into clinical trials. For instance, for the USA, the NIH website in early 2004 displayed 38 clinical studies involving either pro- or antiangiogenic th- apies. Given the expected overwhelming wealth of clinical data, the question may be asked whether further exploration of biological mechanisms is required or whether results from the bedside are instructive enough to proceed. This question depends also on the progress of pro- and antiangiogenic clinical trials. In the following, I give a short overview about some of the progress that has been made in this field. Since Judah Folkman proposed antiangiogenic tumor therapy thirty years ago, it has become increasingly evident that agents which interfere with blood vessel formation also block tumor progression. Accordingly, antiangiogenic therapy has gained much attention as a potential adjunct to conventional c- cer therapy.
The papers ofthis Special Issue of Molecular and Cellular Nutraceuticals are also known as 'health foods' but they also Biochemistry are invited, peer-reviewed submissions from include any product derived from animal or plant sources speakers who attended the 2nd World Conference of the which ultimately can provide a medical benefit. F our symposia International Society for MolecuIar Nutrition & Therapy. This on various aspects concerning nutraceutical products and the Conference was held fromAugust 2--4th, 1997 in Winnipeg, marketing ofthese compounds was addressed. It is hoped that Canada. The goal of the Conference was to advance our these interactions represent the start of a new, highly interesting knowledge concerning the molecular events which link scientific venture uniting the nutraceutical industry with the nutrition to various disease processes in the body. Attending main stream academic medical research community. The the meeting were scientists from 18 countries ineluding nutraceutical industry is expected to be a multibillion dollar Canada, the United States, Japan, the United Kingdom, a year business world-wide by the turn of the century. The Franee, the Czeeh Republie, Germany, the Netherlands, identification of the active ingredients in any number of Bahrain, Hong Kong, India, Israel, China, Kuwait,Argentina, health foods reputed to be medieally beneficial would be just Sweden, Australia and Mexieo. There were 56 Distinguished one of the goals of such a scientific interaction.
Understanding the biology of brain function is a great challenge and a major goal of modern science. The brain is one of the last great frontiers in science, and the unraveling of its mysteries is comparable in complexity to efforts in space exploration. A fundamental goal of neuroscience is to understand how neurons generate behavior and the pathophysiology of different mental and neurological diseases. The aim of this book is to describe recent discoveries about the basic operations of the brain and to provide an introduction to the adaptations for specific types of information processing.
The most recent developments in research on hepatic encephalopathy, inborn hyperammonaemic syndromes and nitrogen metabolism, including clinical aspects, were presented by international acknowledged experts in this active research field at the 12th International Symposium on Hepatic Encephalopathy, which was held from June 1 to 4, 2005 in Solingen, Schloss Burg, Germany. This book comprehensively summarizes the most important novel issues on hepatic encephalopathy and nitrogen metabolism and is of interest not only for scientists in the field, but also for interested clinicians. This update of present knowledge will provide a platform for future research in the field of hepatic encephalopathy and nitrogen metabolism.
This book approaches the classification, pathogenesis, diagnostic, therapy and surgery for kidney tuberculosis as well as male genital tuberculosis. The reader will find recent data on epidemiology, many interesting history cases with illustrations and new methods for the identification of Mycobacterium tuberculosis.
This handbook provides insights into becoming a better and more evolved athlete. It offers aspiring athletes, regardless of skill level, a better understanding of their bodies and how to unlock the unlimited potential of muscles without injury. It focuses on the "superhero" muscle: the iliopsoas, and also sheds light on Diamond-Corporation's new technology and elite athleticism, and how these can contribute to a healthier life. Lastly, the authors explore the mindset of success and provide exercises for remaining calm under pressure. This stand-alone book is the sequel to Paradigm Shift for Future Tennis and Enhancing Performance and Reducing Stress in Sport (2014, Springer). This book is written by scientists, whose expertise collectively spans the fields of biomechanics, clinical surgery, current and former elite athleticism, engineering and naturopath doctoral work. Together, they aim to inspire and educate athletes on how to improve their sports performance by using new technologies, world class biomechanics knowledge and ancient herbal medicines.
Stroke is a global health problem affecting approximately 15 million people annually in the world and about 700,000 in the United States. It is the third leading cause of death and the most common cause of disability in most developed countries. Acute Ischemic Injury and Repair in the Nervous System is intended to provide the most up-to-date knowledge of the mechanisms of neuronal death and repair after stroke. It is our belief that this volume of the Handbook of Neurochemistry and Molecular Neurobiology provides an excellent review of the tremendous advances of the past decades in the neurochemical and molecular biological aspects of cerebral ischemia. It is hoped that these advances will provide an impetus for basic scientists and clinicians to further their translational research and to promote the insights for development of therapeutic interventions for stroke.
Since the beginning of the 21st Century there has been a rapid increase in our understanding of the cellular trafficking mechanisms of molecular chaperones in eukaryotes and in prokaryotes. In the former, molecular chaperone trafficking can occur between the various cellular compartments, with concomitant movement of other proteins. Such events can also result in the release of molecular chaperones from cells. In bacteria, molecular chaperones are involved in the trafficking of other proteins and are themselves released into the external milieu. The increasing appreciation of the role of molecular chaperones and Protein-Folding Catalysts in the interplay between bacteria and the cells of their hosts is now an important area of research for understanding the mechanisms of infectious diseases. This volume brings together experts in the biochemistry, cellular biology, immunology and molecular biology of molecular chaperones and Protein-Folding Catalysts with a focus on the mechanisms of cellular trafficking of these proteins and the role of these variegated trafficking mechanisms in both human and animal health and disease.
Hypoxic Pulmonary Vasoconstriction: Cellular and Molecular
Mechanisms will provide a timely and long lasting guide for
investigators in the fields of cardiovascular physiology and
pathophysiology, pulmonary vascular disease, high-altitude
physiology and medicine. In addition, it provides a solid
scientific foundation for subsequent applications in clinical
practice. State-of-the-art findings relevant to cellular and molecular processes of hypoxic pulmonary vasoconstriction as well as knowledge regarding etiological mechanisms and experimental therapeutics are well covered and complete the overview this volume provides.
The nitrogen-containing ring structures are at the hub of metabolism and include ATP, nucleic acids, many coenzymes, metabolic regulators and integrators such as adenosine and GTP, signalling compounds such as cyclic nucleotides and plant cytokinins and biochemically functional pigmets of which haemoglobin, the cytochromes and chlorophyll are examples. This important book collates and integrates current knowledge of all the biologically important N-heterocyclic compounds, covering the relationship between their chemical structures and physiological functions within this key group of compounds. Few biochemical reaction sequences do not involve one of these compounds as a substrate, product or coenzyme and a full understanding of the interrelationship between their structure and function is vital for all those woorking in the field of biochemistry. Professor Eric Brown who has a huge wealth of experience in teaching and research on these compounds has written a very comprehensible and thorough book which will be of great value for advanced students and researchers in biochemistry and those at the interfacing subject areas of chemistry, biology and pharmacology including all those employed in researching biological function within pharmaceutical companies.
The aim of this book is to present current views about physical activity and the benefits of physical activity in preventing and ameliorating various health conditions that are of worldwide concern. This book was developed as a compilation of the accomplishments of the five-year Global COE (Center of Excellence) "Sport Sciences for the Promotion of Active Life" Program at the Faculty of Sport Sciences of Waseda University, Saitama, Japan. The first part establishes the research methodology and discusses the current status of physical activity. Topics covered include the prevalence of physical inactivity and highly sedentary behavior in different populations as well as strategies that can be adopted to promote physical activity. The second part focuses on the physiological effects of physical activity. Topics covered include physiological responses to exercise by the autonomic nervous system, the endocrine system, vascular functioning, postprandial blood glucose control, and inflammatory processes. The relationship between exercise and appetite is discussed, as is the influence of exercise on food intake and weight regulation. Additionally, the influence of exercise on protein regulation and posttranslational modifications is introduced. The final part discusses the role of physical activity in preventing lifestyle-related health issues and improving the quality of life, especially for the elderly. The contents should be of interest to anyone who is concerned with the human physiologic response to exercise and the promotion of healthy lifestyles, including sports and exercise science researchers as well as those involved with medicine, public health, physiology, nutrition, and elder care.
Since its ?rst description in 1942 in both serum and cerebrospinal ?uid, transthyretin (TTR) has had an eventful history, including changes in name from "prealbumin" to "thyroxine-binding prealbumin" to "transthyretin" as knowledge increased about its functions. TTR is synthesised in a wide range of tissues in humans and other eutherian mammals: the liver, choroid plexus (blood- cerebrospinal ?uid barrier), retinal pigment epithelium of the eye, pancreas, intestine and meninges. However, its sites of synthesis are more restricted in other vertebrates. This implies that the number of tissues synthesising TTR during vertebrate evolution has increased, and raises questions about the selection pressures governing TTR synthesis. TTR is most widely known as a distributor of thyroid hormones. In addition, TTR binds retinol-binding protein, which binds retinol. In this way, TTR is also involved with retinoid distribution. More recently, TTR has been demonstrated to bind a wide variety of endocrine disruptors including drugs, pollutants, industrial compounds, heavy metals, and some naturally occurring plant ?avonoids. These not only interfere with thyroid hormone delivery in the body, but also transport such endocrine disruptors into the brain, where they have the potential to accumulate.
Methods in Bone Biology is unique in being devoted to describing the methodology used by bone researchers. This book describes in detail the techniques of cell and organ culture used in the study of bone and bone cell function and the techniques used to monitor the skeleton and skeletal remodelling both in clinical and experimental settings.
A qualitative leap in the understanding of cardiovascular and n- ral regulation by the renin-angiotensin system, and of the role of this s- tem in tissue damage, has occurred as a result of the many recent advances in molecular genetic techniques. The cloning of the genes for the components of the renin-angiotensin system, the design of specific angiotensin receptor ligands, and the use of embryonic gene targeting te- niques for the creation of mutant strains have established that the renin- angiotensin system is important in blood pressure regulation, ion and fluid homeostasis, and tissue growth and remodeling Further investigation of the mechanisms by which this system p- ticipates in cardiovascular regulation may shed some light on the pat- genesis of several cardiovascular diseases, e. g. , hypertension, congestive heart failure, and chronic renal failure. Despite the promise of this system as a target for therapeutic interventions for these diseases, there are great challenges in the integration of the attempts to close the gap between the traditional literature of medicine and the explosion of information from the new technologies. This book's title, Angiotensin Protocols, reflects the authors' strong efforts to translate expert knowledge into easy-to-follow practice. The book opens with introductory chapters, and each specialty section provides detailed methods covering a wide variety of techniques, ranging from genetic manipulation of targeted genes to functional studies of the renin- angiotensin system.
This award-winning thesis investigates the mechanisms underlying cardiac arrhythmia development and termination from an entirely new perspective. By viewing the heart as a complex system, the author uses theoretical tools from nonlinear dynamics combined with numerical simulations and experiments to achieve insights into the relationship between its structure and dynamics, thereby paving the way towards innovative low-energy defibrillation strategies. The work tackles, among other things: the effect of substrate heterogeneity on the spatial-temporal dynamics of cardiac arrhythmias and ways in which weak pulsed electric fields can be used to control these dynamics in heterogeneous cardiac tissue. The long-term vision of this research is to replace the current strategy of applying painful and sometimes tissue damaging electric shock - currently the only reliable way to terminate life-threatening fibrillation - by a more subtle but equally effective intervention. The book maps out a number of promising research directions for biophysicists and medical researchers working on the origins and treatment of cardiac arrhythmias.
Medical image technologies play a significant role in visualization and interpretation methods in medical diagnosis and practice using decision making, pattern classification, diagnosis, and learning. Progressions in the field of medical imaging lead to interdisciplinary discovery in microscopic image processing and computer-assisted diagnosis systems, and aids physicians in the diagnosis and early detection of diseases. Histopathological Image Analysis in Medical Decision Making provides emerging research exploring the theoretical and practical applications of image technologies and feature extraction procedures within the medical field. Featuring coverage on a broad range of topics such as image classification, digital image analysis, and prediction methods, this book is ideally designed for medical professionals, system engineers, medical students, researchers, and medical practitioners seeking current research on problem-oriented processing techniques in imaging technologies.
Death receptors play a central role in directing apoptosis in mammalian cells. This process of active cell death is important for a number of biological processes, e.g. for the regulation of the immune system. Death receptors are cell surface receptors that transmit apoptotic signals initiated by corresponding death ligands. Many complex signaling pathways are activated and apoptosis is the final result of a complex biochemical cascade of events. Besides their role in the induction of cell death, evidence now exists that death receptors are able to activate several non-apoptotic signaling pathways which, depending on cellular context, may lead to apoptosis resistance, secretion of pro-inflammatory proteins, proliferation and invasive growth of cancer cells. This book looks at the molecular basis of death receptor signaling and the role of death receptors in cancer development.
As the current millennium steams towards a close, one cannot help but look with amazement at the incredible amount of progress that has been achieved in medicine in just the last few decades. A key contributing factor to this success has been the importation and blending of ideas and techniques from disciplines outside the traditional borders of medical science. In recent years, the most well-known example is the cross-pollination between molecular biology and medicine. Advances driven by this potent combination have spawned the vision of a future where cures based on gene therapy become commonplace. Yet, as we continue our search for "magic bullets" in the quest to eradicate disease, it important to recognize the value of other less-heralded interdisciplinary efforts that have laid a large part of the foundation of present-day medicine. In pulmonary medicine, the contribution from the bioengineers (a diverse collection of individuals cross-bred to various degrees in mathematical modeling and experimental physiology) has been larger and more sustained than in many other medical specialties. It is easy to point to the vast array of ventilators, blood-gas analyzers, oximeters, pulmonary function devices, and respiration monitors that are present in any modern clinical setting as solid evidence of the successful synergy between engineering science and pulmonary medicine. However, one must not forget the less tangible, but perhaps more important, contributions that have been derived from mathematical modeling and computer simulation, without which many of these modern instruments would not have come into existence. |
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