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The Role of Calcium Handling in Heart Failure and Heart Failure Associated Arrhythmias
Under normal, healthy conditions, the contraction of cardiac myocytes, leading to the pump function of this organ, is driven by calcium-dependent mechanisms. Entry of calcium into the myocyte during the cardiac action potential causes activation of the ryanodine receptors and release of calcium from the sarcoplasmic reticulum. This process termed calcium-induced calcium release is essential for excitation-contraction coupling and enables each action potential to be transduced into a mechanical event. Indeed, in healthy myocytes, the calcium concentration in the cytosol of is elevated approximately 10-fold from a resting level of ∼100 nM to ∼1 μM. This process is finely orchestrated by a...
Reframing Rights
Investigations into the interplay of biological and legal conceptions of life, from government policies on cloning to DNA profiling by law enforcement. Legal texts have been with us since the dawn of human history. Beginning in 1953, life too became textual. The discovery of the structure of DNA made it possible to represent the basic matter of life with permutations and combinations of four letters of the alphabet, A, T, C, and G. Since then, the biological and legal conceptions of life have been in constant, mutually constitutive interplay—the former focusing on life's definition, the latter on life's entitlements. Reframing Rights argues that this period of transformative change in law ...
The Oxford Handbook of Neuronal Ion Channels
Neurons are excitable cells. They use ions and electrical signaling to talk to each to other and when they talk to each other, neurons control behavior. The Oxford Handbook of Neuronal Ion Channels is an accessible reference describing the nature and properties of ion channels in neurons. The book explains how ion channels open and close, how they can be selective for specific ions, and how they give rise to action potentials. Included are in-depth chapters discussing specific classes of ion channels: potassium channels, sodium channels, neurotransmitter-gated ion channels and other specialized channels. Throughout the handbook, important insight is provided on the contribution ion channels make to neuronal excitability and to synaptic transmission. The handbook goes further to discuss channelopathies, a group of human diseases such as epilepsy, pain and migraines that can be caused by ion channel dysfunction. For neuroscientists, biophysicists and neuropharmacologists, this handbook is a valuable reference of ion channel biology and function.
Cardiac Optogenetics: Using Light to Observe and Excite the Heart
Topic Editor Godfrey Smith is the founder, director and honorary Chief Scientific Officer of Clyde Biosciences Ltd (UK). The other Topic Editors declare no competing interests with regard to the Research Topic subject.
The Carnitine System
In the last few years, derivatives of L-carnitine, such as acetyl-L-carnitine and propionyl-L-carnitine, have been made available to doctors for treatment of specific pathologies. The effects of this family of related carnitine compounds on cardiovascular systems and diseases constitute the major issue addressed in this volume. Although several books on carnitine have been published, a treatise focusing on experimental and clinical aspects of the carnitine family and cardiovascular diseases was lacking. The present book provides the reader with a concise update in this field. The information collected from experts on various aspects of the fascinating compound, carnitine, will be useful for both clinicians and basic scientists.
Modern Pacemakers
The book focuses upon clinical as well as engineering aspects of modern cardiac pacemakers. Modern pacemaker functions, implant techniques, various complications related to implant and complications during follow-up are covered. The issue of interaction between magnetic resonance imaging and pacemakers are well discussed. Chapters are also included discussing the role of pacemakers in congenital and acquired conduction disease. Apart from pacing for bradycardia, the role of pacemakers in cardiac resynchronization therapy has been an important aspect of management of advanced heart failure. The book provides an excellent overview of implantation techniques as well as benefits and limitations ...
