[PDF] Cell Volume Regulation eBook

Author : Florian Lang
Publisher : S. Karger AG (Switzerland)
Page : 280 pages
File Size : 40,98 MB
Release : 1998
Category : Cell Size
ISBN :

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This volume presents a unique compilation of reviews on cell volume regulation in health and disease, with contributions from leading experts in the field. The topics covered include mechanisms and signaling of cell volume regulation and the effect of cell volume on cell function, with special emphasis on ion channels and transporters, kinases and gene expression. Several chapters elaborate on how cell volume regulatory mechanisms participate in the regulation of epithelial transport, urinary concentration, metabolism, migration, cell proliferation and apoptosis. Last but not least, this publication is an excellent guide to the role of cell volume in the pathophysiology of hypercatabolism, diabetes mellitus, brain edema, hemoglobinopathies, tumor growth and metastasis, to name just a few. Providing deeper insights into an exciting area of research which is also of clinical relevance, this publication is a valuable addition to the library of those interested in cell volume regulation.

Author : Kevin Strange
Publisher : CRC Press
Page : 442 pages
File Size : 35,60 MB
Release : 2020-01-16
Category : Science
ISBN : 1000722082

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The ability to regulate cell volume in the face of osmotic challenge is one of the most fundamental of cellular homeostatic mechanisms. Cellular and Molecular Physiology of Cell Volume Regulation is an integrated collection of articles describing key aspects of cell volume control. The book has been organized around concepts and cellular/molecular processes rather than around mechanisms of volume regulation in specific cell types in order to make it more accessible to a multidisciplinary audience of students, instructors, and researchers.

Author : Florian Lang
Publisher : Karger Medical and Scientific Publishers
Page : 283 pages
File Size : 24,53 MB
Release : 2006
Category : Medical
ISBN : 3805581742

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It is essential for the survival of cells to maintain their volume within certain limits: Profound alterations interfere with the integrity of the cell membrane and the cytoskeletal architecture. Cells use various methods to adjust osmotic pressure gradients which in turn govern water movement across cell membranes. The most rapid and efficient means is ion transport across the cell membrane. However, to avoid excessive alterations of intracellular ion concentration, cells additionally employ organic osmolytes for osmoregulation and modify their metabolism, thus generating or disposing osmotically active organic substances. But a given cell uses only part of the cell volume regulatory mechanisms at their disposal: The large repertoire available allows for a selection of those which have the least untoward impact on cell function.The present book is a collection of reviews on the various aspects of cell volume regulation, written by internationally leading experts, and constitutes a valuable addition to the library of those working in the field.

Author : Roland N. Pittman
Publisher : Biota Publishing
Page : 117 pages
File Size : 30,69 MB
Release : 2016-08-18
Category : Medical
ISBN : 1615047212

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This presentation describes various aspects of the regulation of tissue oxygenation, including the roles of the circulatory system, respiratory system, and blood, the carrier of oxygen within these components of the cardiorespiratory system. The respiratory system takes oxygen from the atmosphere and transports it by diffusion from the air in the alveoli to the blood flowing through the pulmonary capillaries. The cardiovascular system then moves the oxygenated blood from the heart to the microcirculation of the various organs by convection, where oxygen is released from hemoglobin in the red blood cells and moves to the parenchymal cells of each tissue by diffusion. Oxygen that has diffused into cells is then utilized in the mitochondria to produce adenosine triphosphate (ATP), the energy currency of all cells. The mitochondria are able to produce ATP until the oxygen tension or PO2 on the cell surface falls to a critical level of about 4–5 mm Hg. Thus, in order to meet the energetic needs of cells, it is important to maintain a continuous supply of oxygen to the mitochondria at or above the critical PO2 . In order to accomplish this desired outcome, the cardiorespiratory system, including the blood, must be capable of regulation to ensure survival of all tissues under a wide range of circumstances. The purpose of this presentation is to provide basic information about the operation and regulation of the cardiovascular and respiratory systems, as well as the properties of the blood and parenchymal cells, so that a fundamental understanding of the regulation of tissue oxygenation is achieved.

Author : F. Krück
Publisher : Springer Science & Business Media
Page : 158 pages
File Size : 39,35 MB
Release : 2012-12-06
Category : Medical
ISBN : 3642714056

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Recent experimental and clinical research performed by outstanding authorities has enabled us to characterize fundamental processes that govern the regulation of salt and water content of the body. Their results have provided not only an important gain of insight into mechanisms at the cellular level but also the possibility to integrate single cell activities into a complex organ function. Moreover, this knowledge enables scientists to develop broader concepts concerning the regulation of organ function and thus contributes to a better understanding of the overall status in health and disease. In the present volume some of these physiologists and clinicians discuss principal questions of humoral and non-humoral influences involved in the control of electro lyte and fluid content of the organism. It contains three essential topics: Data concerning basic principles of cell behaviour and transport processes are followed by the description of natriuretic substances and their influence on volume regulation. Finally, attempts are undertaken to elucidate the meaning of these basic principles for the explanation of the development of patholocigal states. This symposion was held in honor to Professor H. P. Wolff, one of the internatio nally wellknown pioneers in this field of clinical research. The editors· wish to express their graditude to the Melusin-Schwarz-Monheim GmbH for the generous support of the symposion.

Author : Robert Vink
Publisher : University of Adelaide Press
Page : 354 pages
File Size : 27,62 MB
Release : 2011
Category : Medical
ISBN : 0987073052

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The brain is the most complex organ in our body. Indeed, it is perhaps the most complex structure we have ever encountered in nature. Both structurally and functionally, there are many peculiarities that differentiate the brain from all other organs. The brain is our connection to the world around us and by governing nervous system and higher function, any disturbance induces severe neurological and psychiatric disorders that can have a devastating effect on quality of life. Our understanding of the physiology and biochemistry of the brain has improved dramatically in the last two decades. In particular, the critical role of cations, including magnesium, has become evident, even if incompletely understood at a mechanistic level. The exact role and regulation of magnesium, in particular, remains elusive, largely because intracellular levels are so difficult to routinely quantify. Nonetheless, the importance of magnesium to normal central nervous system activity is self-evident given the complicated homeostatic mechanisms that maintain the concentration of this cation within strict limits essential for normal physiology and metabolism. There is also considerable accumulating evidence to suggest alterations to some brain functions in both normal and pathological conditions may be linked to alterations in local magnesium concentration. This book, containing chapters written by some of the foremost experts in the field of magnesium research, brings together the latest in experimental and clinical magnesium research as it relates to the central nervous system. It offers a complete and updated view of magnesiums involvement in central nervous system function and in so doing, brings together two main pillars of contemporary neuroscience research, namely providing an explanation for the molecular mechanisms involved in brain function, and emphasizing the connections between the molecular changes and behavior. It is the untiring efforts of those magnesium researchers who have dedicated their lives to unraveling the mysteries of magnesiums role in biological systems that has inspired the collation of this volume of work.