Impaired Mitochondrial Bioenergetics Under Pathological Conditions
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Impaired Mitochondrial Bioenergetics Under Pathological Conditions
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Author : Giorgio Lenaz
language : en
Publisher: Mdpi AG
Release Date : 2022-07-15
Impaired Mitochondrial Bioenergetics Under Pathological Conditions written by Giorgio Lenaz and has been published by Mdpi AG this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-07-15 with categories.
Mitochondria are the powerhouses of cells; however, mitochondrial dysfunction causes energy depletion and cell death in a variety of diseases. Altered oxidative phosphorylation and ion homeostasis are associated with ROS production resulting from the disassembly of respiratory supercomplexes and the disruption of electron transfer chains. In pathological conditions, the dysregulation of mitochondrial homeostasis promotes Ca2+ overload in the matrix and ROS accumulation, which induces the mitochondrial permeability transition pore formation responsible for mitochondrial morphological changes linked to membrane dynamics, and ultimately, cell death. Finally, studies on the impaired mitochondrial bioenergetics in pathology could provide molecular tools to counteract diseases associated with mitochondrial dysfunction.
Impaired Mitochondrial Bioenergetics Under Pathological Conditions
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Author : Giorgio Lenaz
language : en
Publisher:
Release Date : 2022
Impaired Mitochondrial Bioenergetics Under Pathological Conditions written by Giorgio Lenaz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022 with categories.
Mitochondria are the powerhouses of cells; however, mitochondrial dysfunction causes energy depletion and cell death in a variety of diseases. Altered oxidative phosphorylation and ion homeostasis are associated with ROS production resulting from the disassembly of respiratory supercomplexes and the disruption of electron transfer chains. In pathological conditions, the dysregulation of mitochondrial homeostasis promotes Ca2+ overload in the matrix and ROS accumulation, which induces the mitochondrial permeability transition pore formation responsible for mitochondrial morphological changes linked to membrane dynamics, and ultimately, cell death. Finally, studies on the impaired mitochondrial bioenergetics in pathology could provide molecular tools to counteract diseases associated with mitochondrial dysfunction.
Clinical Bioenergetics
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Author : Sergej M. Ostojic
language : en
Publisher: Academic Press
Release Date : 2020-11-12
Clinical Bioenergetics written by Sergej M. Ostojic and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-11-12 with Science categories.
Clinical Bioenergetics: From Pathophysiology to Clinical Translation provides recent developments surrounding the etiology and pathophysiology of inherited and acquired energy-delated disorders. Across 40 chapters, world leaders in bioenergetics and mitochondrial medicine discuss novel methodologies designed to identify deficiencies in cellular bioenergetics, as well as the safety and efficacy of emerging management strategies to address poor cellular bioenergetics. Topics discussed include the omics landscape of impaired mitochondrial bioenergetics, hormones, tissue bioenergetics and metabolism in humans. Disease-specific case studies, modes of analysis in clinical bioenergetics, and therapeutic opportunities for impaired bioenergetics, addressing both known treatment pathways and future directions for research, are discussed in-depth. Diseases and Disorders examined include brain injury, chronic fatigue syndrome, psychiatric disorders, pulmonary fibrosis, neurodegenerative disorders, heart failure, chronic kidney disease, obesity, and insulin resistance, among others. Provides a thorough discussion of foundational aspects of bioenergetics and disease, modes of analysis, and treatments for impaired bioenergetics Discusses the role of bioenergetics and treatment pathways in brain injury, chronic fatigue syndrome, psychiatric disorders, pulmonary fibrosis, neurodegenerative disorders, heart failure, chronic kidney disease, obesity, and insulin resistance, among other diseases and disorders Features chapter contributions from international leaders in translational bioenergetics research and clinical practice
Brain Mitochondria Distribution And Function
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Author : Silvia Lores-Arnaiz
language : en
Publisher:
Release Date : 2020-03-09
Brain Mitochondria Distribution And Function written by Silvia Lores-Arnaiz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-03-09 with categories.
This book offers an overview of significant findings regarding physiological, toxicological and pathological aspects of brain mitochondria properties and their relevant role in cellular bioenergetics. Essential physiological processes such as cell respiration and ATP synthesis, the maintenance of calcium homeostasis, reactive oxygen species generation and apoptotic cell signalling performed by mitochondria are described in the different chapters of this volume. In particular, the importance of specific calcium signalling at synaptic level and its relationship with mitochondrial bioenergetics are extensively described. Being that high energy demands are required at synaptic level for neurotransmission, mitochondrial distribution becomes relevant for essential neuronal processes. Differential bioenergetic characteristics of neuronal, astrocytic and glial mitochondria are discussed. Interestingly, new insights on the interaction between neurotensinergic and nitrergic systems are detailed, based on experimental evidences of the effect of neurotensin receptors blockade on nitric oxide production and mitochondrial function. The chapters describing metal neurotoxicity provide a comprehensive view of the effects of different metals on brain mitochondrial function and their consequences for human health. The impact of iron and copper overload on brain oxidative redox balance and mitochondrial function is fully detailed, focusing on the role of metal-induced neuronal damage on the incidence and progression of neurodegenerative diseases. In addition, a complete revision of the mechanisms underlying heavy metal-mediated damage to brain mitochondria is presented. Neurotoxic effects of arsenic, thallium, lead, cadmium and mercury have been associated with cell bioenergetics impairment, exacerbated production of oxygen free radicals, and induction of intrinsic pathway of apoptosis. Mitochondrial function can also be impaired by treatment with different drugs acting at CNS level. The understanding of the effects of pharmacological agents, abuse drugs, herbicides and insecticides at mitochondrial level can contribute to elucidate the molecular mechanisms involved in neurodegeneration. In this context, the neuroprotective effect of different compounds targeting mitochondrial integrity and function is discussed. Furthermore, mitochondrial alterations, oxygen radicals generation and nitric oxide production are characterized in relation to CNS pathology and hypoxia conditions. Mitochondrial complex I inactivation, oxidative stress and impairment of mitochondrial nitric oxide synthesis are characteristic features of the mitochondrial dysfunction observed in Parkinson's disease and other CNS pathologies. In addition, exposure to hypoxic conditions can affect nitric oxide generation and mitochondrial physiology, with different responses depending on the brain area. As a whole, the understanding of the alterations in mitochondrial distribution and function in the brain associated with neurotoxicity and neurodegeneration may contribute to the knowledge of the role of mitochondria in maintaining the balance between health and disease.
Mitochondria In Skeletal Muscle Health Aging And Diseases
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Author : Gilles Gouspillou
language : en
Publisher: Frontiers Media SA
Release Date : 2017-02-09
Mitochondria In Skeletal Muscle Health Aging And Diseases written by Gilles Gouspillou and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-02-09 with Electronic book categories.
Skeletal muscle is the most abudant tissue of the human body, making up to 40 to 50% of the human body mass. While the importance of optimal muscle function is well recognized in the athletic field, its significance for general health is often underappreciated. In fact, the evidence that muscle mass, strength and metabolism are essential for our overall health is overwhelming. As the largest protein reservoir in the human body, muscles are essential in the acute response to critical illness such as sepsis, advanced cancer, and traumatic injury. Loss of skeletal muscle mass has also been associated with weakness, fatigue, insulin resistance, falls, fractures, frailty, disability, several chronic diseases and death. As a consequence, maintaining skeletal muscle mass, strength and metabolism throughout the lifespan is critical to the maintenance of whole body health. Mitochondria are fascinating organelles regulating many critical cellular processes for skeletal muscle physiology, including for instance energy supply, reactive oxygen species production, calcium homeostasis and the regulation of apoptosis. It is therefore not surprising that mitochondrial dysfunction has been implicated in a large number of adverse events/conditions and pathologies affecting skeletal muscle health. While the importance of normal mitochondrial function is well recognized for muscle physiology, there are important aspects of mitochondrial biology that are still poorly understood. These include mitochondrial dynamics (fusion and fission processes), morphology and processes involved in mitochondrial quality control (mitophagy). Defining the mechanisms regulating these different aspects of mitochondrial biology, their importance for muscle physiology, as well as the interrelations will be critical for expanding understanding of the role played by mitochondria in skeletal muscle physiology and health. The present research topic provides readers with novel experimental approaches, knowledge, hypotheses and findings related to all aspects of mitochondrial biology in healthy and diseased muscle cells.
Mitochondrial Dysfunction
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Author : Lawrence H. Lash
language : en
Publisher: Elsevier
Release Date : 2013-10-22
Mitochondrial Dysfunction written by Lawrence H. Lash and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-22 with Science categories.
Methods in Toxicology, Volume 2: Mitochondrial Dysfunction provides a source of methods, techniques, and experimental approaches for studying the role of abnormal mitochondrial function in cell injury. The book discusses the methods for the preparation and basic functional assessment of mitochondria from liver, kidney, muscle, and brain; the methods for assessing mitochondrial dysfunction in vivo and in intact organs; and the structural aspects of mitochondrial dysfunction are addressed. The text also describes chemical detoxification and metabolism as well as specific metabolic reactions that are especially important targets or indicators of damage. The methods for measurement of alterations in fatty acid and phospholipid metabolism and for the analysis and manipulation of oxidative injury and antioxidant systems are also considered. The book further tackles additional methods on mitochondrial energetics and transport processes; approaches for assessing impaired function of mitochondria; and genetic and developmental aspects of mitochondrial disease and toxicology. The text also looks into mitochondrial DNA synthesis, covalent binding to mitochondrial DNA, DNA repair, and mitochondrial dysfunction in the context of developing individuals and cellular differentiation. Microbiologists, toxicologists, biochemists, and molecular pharmacologists will find the book invaluable.
Mitochondrial Bioenergetics
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Author : Carlos M. Palmeira
language : en
Publisher: Humana Press
Release Date : 2011-11-09
Mitochondrial Bioenergetics written by Carlos M. Palmeira and has been published by Humana Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-11-09 with Science categories.
Increasing interest in mitochondrial bioenergetics is being driven by the impact of drug and environmental chemical-induced disturbances of mitochondrial function as well as hereditary deficiencies and the progressive deterioration of bioenergetic performance with age. These initiatives have fostered the investigation of genetic and environmental influences on bioenergetics. In Mitochondrial Bioenergetics: Methods and Protocols, researchers in the field detail the practical principles and assays designed to derive quantitative assessment of each set of parameters that reflect different aspects of mitochondrial bioenergetics. Written in the highly successful Methods in Molecular BiologyTM series format, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and key tips on troubleshooting and avoiding known pitfalls Authoritative and practical, Mitochondrial Bioenergetics: Methods and Protocols helps elevate the quality and rate of investigative discoveries regarding disease states associated with environmental or genetic influences on mitochondrial bioenergetics.
Mitochondria In Health And Disease
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Author : Carolyn D. Berdanier
language : en
Publisher: CRC Press
Release Date : 2005-06-09
Mitochondria In Health And Disease written by Carolyn D. Berdanier and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-06-09 with Medical categories.
It was once assumed that mitochondrial diseases were rare and that few people were affected. As knowledge has grown about these organelles and their function, it became clear that mitochondrial malfunction could be linked to several chronic diseases. Diabetes has been associated with DNA mutation and can cause mutation itself. This text discusses f
Complementary Therapies For The Body Mind And Soul
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Author : Marcelo Saad
language : en
Publisher: BoD – Books on Demand
Release Date : 2015-09-02
Complementary Therapies For The Body Mind And Soul written by Marcelo Saad and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-09-02 with Medical categories.
Complementary Therapies (CT) refers to the practices, products, or health systems that are outside the realm of conventional medicine, used to treat disease or to promote health and well-being. Defining CT is difficult, because the field is very broad and constantly changing. The title of this book includes the words body, mind, and soul. The body and the mind (and their reciprocal relations) have been extensively studied scientifically. What about the soul? The book brings some points about this new ground in CT. We hope you find in the present work the sincere desire to collaborate with the dissemination of knowledge. May this book be useful and pleasant to you.
Mitochondria And Cell Death
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Author : David M. Hockenbery
language : en
Publisher: Humana Press
Release Date : 2016-04-29
Mitochondria And Cell Death written by David M. Hockenbery and has been published by Humana Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-04-29 with Science categories.
This volume examines the role of mitochondria in different types of cell death, including apoptotic and necrotic cell deaths. Topics discussed include mitochondrial outer membrane permeabilization (MOMP) and the permeability transition pore; core processes such as calcium handling, fission and fusion, reactive oxygen species generation, and maintenance of mitochondrial DNA fidelity and protein folding homeostasis; and retrograde signaling between mitochondria and other cellular components, including the important role of mitochondria in antiviral immunity. The expertly authored chapters are drawn from multidisciplinary international perspectives, lending a nuanced and comprehensive approach to the material. Mitochondria and Cell Death, part of the Cell Death in Biology and Diseases series, is invaluable reading for graduate students, researchers, and clinicians in the fields of neuroscience, oncology, gastroenterology, and hepatology, as well as those interested in the study of mitochondria and cell biology.