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This new, fully revised and expanded edition of Ionic Channels of Excitable Membranes includes new chapters on fast chemical synapses, modulation through G protein coupled receptors and second messenger systems, molecules cloning, site directed mutagenesis, and cell biology. It begins with the classical biophysical work of Hodgkin and Huxley and then weaves a description of the known ionic channels together with their biological functions. The book continues by developing the physical and molecular principles needed for explaining permeation, gating, pharmacological modification, and molecular diversity, and ends with a discussion of channel evolution. Ionic Channels of Excitable Membranes is written to be accessible and interesting to biological and physical scientists of all kinds.
Discusses the classic biophysical work of Hodgkin and Huxley, weaves a description of the known ionic channels together with their biological functions, and then develops the physical and molecular principles needed for explaining permeation, gating, pharmacological modification, molecular diversity, and channel evolution. Includes new chapters on fast chemical synapses, modulation through G protein- coupled receptors and second messenger systems, molecular cloning, site-directed mutagenesis, and cell biology. Annotation copyrighted by Book News, Inc., Portland, OR
'Further establishes the reputation of the series...an invaluable resource.' -Trends in Pharmacological Sciences, from a review of Volume 3 Volume 4 explores such emergent topics as: three-dimensional conceptions of ion channel proteins based on the available structural and functional data; the structure, pharmacology, and regulation of the GABAA receptors; and the Ca2+-dependent K+ channels in adrenal chromatic cell membranes.
The New Benchmark for Understanding the Latest Developments of Ion ChannelsIon channels control the electrical properties of neurons and cardiac cells, mediate the detection and response to sensory stimuli, and regulate the response to physical stimuli. They can often interact with the cellular environment due to their location at the surface of ce
Because of the highly significant and widely recognized roles of ion channels in physiology, pathophysiology, pharmacology, and toxicology, the term ion channel has now become a household word in the biomedical sciences. This volume covers preparations and techniques for the study of various ion channels. Both voltage-gated and ligand-gated ion channels of neurons, axons, and cardiac and smooth muscles are covered. It includes not only patch clamp techniques but molecular biology and imaging techniques as well. Comprehensive protocols included for the study of: Ion channels using patch-clamp, molecular biology, and imaging techniques Role of ion channels in physiology, pathophysiology, pharmacology, and toxicology Specific ion channels of specific tissues
Voltage-sensitive ion channels are macromolecules embedded in the membranes of nerve and muscle fibers of animals. Despite decades of intensive research under the traditional approach of gated structural pores, the relation between the structure of these molecules and their function remains enigmatic. This book examines physically oriented approaches not covered in other ion-channel books, and it develops a new physics-based approach to the problem of molecular excitability.
Ion channels are crucial components of living cells. Situated in the cell's membranes. they allow particular ions to pass from one side of the membrane to the other. In recent years the patch clamp technique has allowed the activity of individual channels to be measured, and recombinant DNA technology has led to fascinating detail on their structure. Together, these technical advances have produced a great flowering of knowledge and understanding about the subject, itself leading to further breakthroughs in science and medicine. Ion Channels provides an introduction to this scientific endeavour. It emphasises the molecular structure of channels as determined by gene cloning technology. This knowledge illuminates discussions of the permeability and selectivity of channels, their gating and modulation, their responses to drugs and toxins and the human diseases caused when they do not function properly.
A wealth of information has been accumulated about the function of ion channels of excitable cells since the extensive and pioneering voltage clamp studies by Hodgkin, Huxley, and Katz 36 years ago. The study of ion chan nels has now reached a stage at which a quantum jump in progress is antici pated. There are many good reasons for this. Patch clamp techniques origi nally developed by Neher and Sakmann 12 years ago have made it possible to study the function of ion channels in a variety of cells. Membrane ionic currents can now be recorded practically from many types of cells using the whole-cell patch clamp technique. The opening and closing of individual ion channels can be analyzed using the single-channel patch clamp method. Techniques have also been developed to incorporate purified ion channels into lipid bilayers to reconstitute an "excitable membrane. " Advanced tech niques developed in molecular biology, genetics, and immunology, such as gene cloning and the use of monoclonal antibodies, are now being applied to the study of ion channels. A variety of drugs have now been found or are suspected to interact with ion channels to exert therapeutic effects. In addition to the classical exam ples, as represented by local anesthetics, many other drugs, including cal cium antagonists, psychoactive drugs, cardiac drugs, and anticonvulsants, shown to alter ion channel function. For certain pesticides such as have been pyrethroids and DDT, sodium channels are clearly the major target site.