Download or read book Oxidative Stress How has it been Considered in the Design of New Drug Candidates for Neurodegenerative Diseases written by Claudio Viegas Jr and published by Frontiers Media SA. This book was released on 2021-01-22 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Oxidative Stress and Neurodegenerative Disorders written by G. Ali Qureshi and published by Elsevier. This book was released on 2007-03-22 with total page 795 pages. Available in PDF, EPUB and Kindle. Book excerpt: Oxidative stress is the result of an imbalance in pro-oxidant/antioxidant homeostasis that leads to the generation of toxic reactive oxygen species. Brain cells are continuously exposed to reactive oxygen species generated by oxidative metabolism, and in certain pathological conditions defense mechanisms against oxygen radicals may be weakened and/or overwhelmed. DNA is a potential target for oxidative damage, and genomic damage can contribute to neuropathogenesis. It is important therefore to identify tools for the quantitative analysis of DNA damage in models on neurological disorders. This book presents detailed information on various neurodegenerative disorders and their connection with oxidative stress. This information will provide clinicians with directions to treat these disorders with appropriate therapy and is also of vital importance for the drug industries for the design of new drugs for treatment of degenerative disorders. * Contains the latest information on the subject of neurodegenerative disorders* Reflects on various factors involved in degeneration and gives suggestions for how to tackle these problems
Download or read book Oxidative Stress and Age Related Neurodegeneration written by Yuan Luo and published by CRC Press. This book was released on 2005-11-21 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt: Oxidative Stress and Age-Related Neurodegeneration brings together researchers from a variety of fields to compare normal aging and disease-related neurodegeneration in terms of susceptibility to and effects of oxidative stress. They address how these effects can be attenuated, and examine whether antioxidants and natural micronutrients, such as those found in Gingko biloba, green tea, blueberries, and grape seed extract, can play a role. The book includes various ways research is getting to the core of neurodegenerative disease, including the use of proteomics, comparisons to related diseases, and examinations at the cellular and molecular levels.
Download or read book Redox Signaling in Neurodegenerative Diseases Biomarkers Targets and Therapies written by Andreia Neves Carvalho and published by Frontiers Media SA. This book was released on 2023-05-16 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: Redox homeostasis results from the balance between the production of reactive species (e.g. ROS, RNS, etc) and their detoxification by endogenous or exogenous antioxidants. ROS play several important physiological roles, however, their excessive production or impaired detoxification is associated with oxidative stress and cellular injury. Importantly, oxidative damage to vulnerable central nervous system (CNS) cells is a common pathological feature of several neurodegenerative diseases. Antioxidants have been considered as attractive potential therapeutic agents to prevent or halt disease progression but the clinical efficacy of antioxidant treatment strategies is still marginal. Improvement of antioxidant therapy effectiveness might involve adjustment of preclinical to clinical settings and development of new efficient delivery methods and will require a more in-depth knowledge of cellular redox-signaling mechanisms. Promising novel redox-based therapeutic strategies are gaining relevance to combat oxidative stress associated with neurodegenerative diseases. These include boosting the endogenous antioxidant machinery through activation of the antioxidant master regulator Nrf2 (nuclear factor erythroid 2-related factor 2) or modulation of ROS production by NOX (nicotinamide adenine dinucleotide phosphate (NADPH) oxidase) inhibitors. Redox regulation of key cellular functions is currently recognized as an important cellular signaling mechanism and events such as post-translational modifications (e.g. S_glutathionylation, S_nitrosylation, glycosylation, etc) play important roles in redox signal transduction and might be instrumental to uncover pathological mechanisms and identify novel therapeutic targets in neurodegenerative diseases. This Research Topic focuses on redox signaling mechanisms and aims to provide novel insights into the role of redox-signaling, with particular emphasis on redox regulation involving post-translational modifications, in the pathophysiology of neurodegenerative diseases. Moreover, it aims to present an overview of the potential of antioxidants as therapeutics for CNS disorders with a special focus on emerging novel therapeutic redox-based strategies. We are particularly interested in studies: -addressing new redox-based molecular mechanisms contributing to neurodegenerative diseases; -exploring the role of naturally occurring compounds, standard medications, and nutraceuticals with antioxidant properties in modulating redox-signaling pathways and limiting and/or preventing oxidative damage associated with these disorders; -addressing mechanistically the role of post-translational modifications in the pathophysiology of neurodegenerative disorders.
Download or read book Oxidative Neural Injury written by Sigrid C. Veasey and published by Springer Science & Business Media. This book was released on 2009-05-28 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: Twenty-five years ago, Earl R. Stadtman, PhD discovered that specific enzymes regulating metabolism can be inactivated by oxidation [1]. He later showed that age-related oxidative modification contributes, at least in part, to age-related loss of function of the enzymes [2, 3]. Dr. Stadtman broke the ground for a new field of study to discover how oxidative stress contributes in significant ways to age-related cellular dysfunction and protein accumulation and that oxidation in the aging brain influences Alzheimer’s disease, ischemia-reperfusion injury, amyotrophic lateral sclerosis, and lifespan [4–6]. Today, his research and mentorship have positively influenced the work of hundreds of scientists in this field. We dedicate this book to Dr. Earl R. Stadtman (1912–2008), in celebration of his passion for science and his superior collaborative and mentorship skills. This book is comprised of three sections. The first describes the valuable roles reactive oxygen species (ROS) and reactive nitrogen species (RNS) play in cellular biology. The second section provides an overview of redox imbalance injury with effects on mitochondria, signaling, endoplasmic reticular function, and on aging in general. The third section takes these mechanisms to neurodegenerative disorders and provides a state-of-the-art look at the roles redox imbalances play in age-related susceptibility to disease and in the disease processes. In the first section we attempt to answer a question posed by Dr. Stadtman, ‘‘Why have cells selected reactive oxygen species to regulate cell signaling events’’ [7].
Download or read book The Role of Oxidative Stress in Neuronal Death written by Irene Ceballos-Picot and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 391 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book examines current knowledge and recent advances in the study of fundamental processes involved in neuronal death, particularly oxidative stress as a causal agent or risk factor. The author presents discussion of oxidative stress in neuronal apoptosis and its role in the neuropathogenesis of age-related neurodegenerative diseases exemplified by Alzheimer's disease, Parkinson's disease and Amyotrophic Lateral Sclerosis.
Download or read book Metal Ions and Neurodegenerative Disorders written by Paolo Zatta and published by World Scientific. This book was released on 2003 with total page 546 pages. Available in PDF, EPUB and Kindle. Book excerpt: Numerous studies have established a clear connection between neuronal oxidative stress and several neurodegenerative diseases, with consequential damages to lipids, proteins, nucleic acids, etc. In addition, several modifications indicative of oxidative stress have been described in association with neurons, neurofibrillary tangles and senile plaques in Alzheimer''s disease, including advanced glycation end products and free carbonyl oxidation. Oxidative damage and antioxidant responses are now well characterized, but sources of damaging free radicals are yet to be fully understood. Evidences of alteration in metal ions metabolism have been reported in various diseases like Alzheimer''s, Wilson, Menkes, Prion, Pick, Huntington disease, epilepsy and other pathological events. Thus, metal ions play a pivotal role in neurodegenerative phenomena. Chelation therapy is still in the early days of its development, but research in this area could lead to new products that could revolutionize treatment. Two international conferences on OC Metals and the Brain: From Neurochemistry to NeurodegenerationOCO (Padova, Italy, 2000 and Fez, Morocco, 2002) were recently held to discuss the role of metal ions in neurophysiopathology. A third will be held in 2005 in Johannesburg, South Africa. This book follows the same train of thought as those conferences, in order to highlight the unquestionable importance of metal ions in the research on the neurophysiopathology of neurodegenerative diseases. The excellent reputation of the scientists who have contributed to this project ensures the quality of the chapters presented here, and hopefully this will help spur new research initiatives in the field, which is still in its infancy. Contents: Metal-Catalyzed Redox Activity in Neurodegenerative Disease (M A Taddeo et al.); Aluminum and Central Nervous System Morphology in Hemodialysis (E Reusche); Transition Metals, Oxidation, Lipoproteins, and Amyloid-: Major Players in Alzheimer''s Disease (A Kontush); Molecular Basis of Copper Transport: Cellular and Physiological Functions of Menkes and Wilson Disease Proteins (ATP7A and ATP7B) (D R Kramer et al.); Copper-Zinc Superoxide Dismutase and Familial Amyotrophic Lateral Sclerosis (M B Yim et al.); Copper and Prion Disease (J Sasson & D Brown); Metallothioneins in Neurodegeneration (M Aschner et al.); Iron and Neurodegeneration (S L Grab & J R Connor); Iron, Neuromelanin, and -Synuclein in Neuropathogenesis of Parkinson''s Disease (K L Double et al.); Iron and Epilepsy (W-Y Ong et al.); Role of Iron Metabolism in Multiple Sclerosis (M J Kotze et al.); Neuroprotective Effects of Lithium (S Ermidiou-Pollet & S Pollet); and other articles. Readership: Academics, graduate students and researchers in neurology, psychiatry, neuroscience and environmental health."
Download or read book Systems Biology of Free Radicals and Antioxidants written by Ismail Laher and published by Springer. This book was released on 2014-06-16 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The focus of this collection of illustrated reviews is to discuss the systems biology of free radicals and anti-oxidants. Free radical induced cellular damage in a variety of tissues and organs is reviewed, with detailed discussion of molecular and cellular mechanisms. The collection is aimed at those new to the field, as well as clinicians and scientists with long standing interests in free radical biology. A feature of this collection is that the material also brings insights into various diseases where free radicals are thought to play a role. There is extensive discussion of the success and limitations of the use of antioxidants in several clinical settings.
Download or read book Oxidative Stress and Free Radical Damage in Neurology written by Natan Gadoth and published by Springer Science & Business Media. This book was released on 2010-11-19 with total page 325 pages. Available in PDF, EPUB and Kindle. Book excerpt: The role of free radicals and oxidative stress in neurological disorders has only recently been recognized, leaving clinical neurologists to seek in vain for information on the subject even in major textbooks. What published information there is may consist of brief reminders of the possible association of superoxidase dismutase with familial amyotrophic lateral sclerosis and nitrous oxide with migraine. With luck they may also find information on the purported role of free radicals in the pathogenesis of traumatic brain injury. Oxidative Stress and Free Radical Damage in Neurology sets the record straight, focusing on clinical and research issues regarding the interplay of free radicals and the human nervous system. Crucially, the chapters cover numerous antioxidants and their possible therapeutic role in neurological disorders. Key illnesses such as epilepsy, multiple sclerosis and Parkinson’s are analyzed, and chapters also examine more general issues such as the link between free radicals and inflammation of the central nervous system. Clinicians and laboratory researchers alike will find that this book augments their understanding not only of the widespread involvement of free radicals in the central nervous system but also of some uncertainties surrounding whether free radical damage in neurology plays a primary or secondary role.
Download or read book Novel Therapeutic Approaches Targeting Oxidative Stress written by Pawan Kumar Maurya and published by Academic Press. This book was released on 2022-02-18 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt: Novel Therapeutic Approaches Targeting Oxidative Stress investigates the role of oxidative stress in disease and explores the latest methods and approaches to targeting oxidative stress for treatment and diagnosis. The book begins with an introduction to oxidative stress and its significance. Subsequent sections cover biochemical methods for detecting free radicals and novel therapeutic approaches for targeting oxidative stress in a number of different diseases. This includes age-related illnesses, neuropsychiatric disorders such as schizophrenia and bipolar disorder, and neurodegenerative diseases like Alzheimer’s and Parkinson’s disease. Novel approaches for targeting oxidative stress in cancer and cardiovascular diseases are also explored. The book then moves on to discuss advances in drug delivery systems and detecting oxidative stress biomarkers using biosensors. It concludes with case studies that illustrate the targeting of oxidative stress and future perspectives. Explores oxidative stress in a variety of diseases, including neurological disorders, cardiovascular diseases, age-related diseases, and cancer Covers a range of therapeutic approaches to target oxidative stress Includes chapters on the application of novel drug delivery systems and diagnostic biosensors to oxidative stress Features case studies illustrating the targeting of oxidative stress
Download or read book Neurodegenerative Diseases written by Shamim I. Ahmad and published by Springer Science & Business Media. This book was released on 2012-03-12 with total page 421 pages. Available in PDF, EPUB and Kindle. Book excerpt: The editor of this volume, having research interests in the field of ROS production and the damage to cellular systems, has identified a number of enzymes showing ·OH scavenging activities details of which are anticipated to be published in the near future as confirmatory experiments are awaited. It is hoped that the information presented in this book on NDs will stimulate both expert and novice researchers in the field with excellent overviews of the current status of research and pointers to future research goals. Clinicians, nurses as well as families and caregivers should also benefit from the material presented in handling and treating their specialised cases. Also the insights gained should be valuable for further understanding of the diseases at molecular levels and should lead to development of new biomarkers, novel diagnostic tools and more effective therapeutic drugs to treat the clinical problems raised by these devastating diseases.
Download or read book Oxidative Stress in Cancer AIDS and Neurodegenerative Diseases written by Luc Montagnier and published by CRC Press. This book was released on 1997-10-06 with total page 575 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on a conference on Oxidative Stress and Redox Regulation, held at the Pasteur Institute, Paris, this work examines fundamental, chemical, biological and medical studies of free radicals on different targets and the consequences of their reactivity. It covers the chemistry and biochemistry of free radicals, free radicals as second messengers t
Download or read book PHARMACOLOGICAL EFFECTS OF MED written by Cho-Tsun Or and published by Open Dissertation Press. This book was released on 2017-01-26 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "Pharmacological Effects of Medicinal Herbs on Oxidative Stress Related Neurodegenerative Diseases" by Cho-tsun, Or, 柯楚浚, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. Abstract: Neurodegenerative diseases are characterized by progressive loss and altered functions of neurons. They include Alzheimer's disease (AD), Parkinson's disease (PD), amyotrophic lateral sclerosis (ALS) and Huntington's disease (HD). Although there are approved drugs to treat neurodegenerative diseases, most of them only provide symptomatic improvement and have little or no impact on disease progression. Recent findings show that oxidative stress plays an important role in the pathogenesis of neurodegenerative diseases. It could cause apoptosis of neurons. Therefore, rescuing neuronal cell death from oxidative stress challenges could be one of the important therapeutic strategies. Moreover, neural regeneration by neural stem cells is believed to be a potential method for functional recovery after neural damage. The first essential step of neural stem cell therapy is to allow the neural stem cells to survive and grow. Therefore, another aspect of treating neurodegenerative diseases is to search for agents which enhance proliferation of neural stem cells. Herbal medicine is increasingly being used in recent decades to enhance general health and well-being. In this project, three medicinal herbs including Ligusticum chuanxiong (LCX), Ganoderma lucidum (LCZ) and Cimicifuga racemosa (BC) were studied. In the first part of the study, the neuroprotective effects of the three medicinal herbs were tested. Among them, BC and LCX extracts were found to rescue PC12 cells from neuronal cell death induced by hydrogen peroxide (H2O2), as measured by MTT assays. Cim A and Z-lig, bioactive compounds of BC and LCX, respectively, also exerted the neuroprotective effects on PC12 and neuro-2a cells. Both compounds rescued the neuronal cell death via inhibition of apoptosis as measured by caspase-3 activity assays. As for the mechanisms involved, Cim A and Z-lig were found to increase H2O2-suppressed bcl-2 protein expression. Furthermore, Cim A and Z-lig suppressed the phosphorylation of p-38 but had no effect on phosphorylations of JNK, ERK and Akt in H2O2-stimulated neuronal cells. In the second part of the study, the effects of three medicinal herbs on proliferation of human H9-derived neural stem cells were tested. Only LCZ extracts could promote the proliferation of neural stem cells, as measured by MTT assays. It was further shown that LCZ extract enhanced the recovery after oxidative stress damage by H2O2 and nitric oxide. By a series of chemical separations, including solvent partition, column chromatography, and high performance liquid chromatography, a bioactive compound was isolated. It enhanced the proliferation of neural stem cells as measured by MTT and BrdU assays. The underlying mechanisms were investigated. It was found that Compound LCZ could induce the mRNA levels of CYP1B1 and HDAC9. However, these proteins did not play a role in enhanced proliferation of neural stem cells induced by Compound LCZ. Additionally, compound LCZ increased the phosphorylation of ERK but had no effect on phosphorylations of JNK, Akt and PI3K kinases. This activation of ERK correlated with the promotion of proliferation, as confirmed by an MEK inhibitor. Taken together, the study reveals that medicinal herbs LCX, BC and LCZ are potential drug candidates for treating oxidative stress related neurodegenerative diseases. Subjects: Materia medica Nervous system - Degeneration - T
Download or read book Oxidative Stress and Dietary Antioxidants in Neurological Diseases written by Colin R Martin and published by Academic Press. This book was released on 2020-06-12 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: Oxidative Stress and Dietary Antioxidants in Neurological Diseases provides an overview of oxidative stress in neurological diseases and associated conditions, including behavioral aspects and the potentially therapeutic usage of natural antioxidants in the diet. The processes within the science of oxidative stress are described in concert with other processes, such as apoptosis, cell signaling, and receptor mediated responses. This approach recognizes that diseases are often multifactorial and oxidative stress is a single component of this. The book examines basic processes of oxidative stress—from molecular biology to whole organs—relative to cellular defense systems, and across a range of neurological diseases. Sections discuss antioxidants in foods, including plants and components of the diet, examining the underlying mechanisms associated with therapeutic potential and clinical applications. Although some of this material is exploratory or preclinical, it can provide the framework for further in-depth analysis or studies via well-designed clinical trials or the analysis of pathways, mechanisms, and components in order to devise new therapeutic strategies. Very often oxidative stress is a feature of neurological disease and associated conditions which either centers on or around molecular and cellular processes. Oxidative stress can also arise due to nutritional imbalance during a spectrum of timeframes before the onset of disease or during its development. Offers an overview of oxidative stress from molecular biology to whole organs Discusses the potentially therapeutic usage of natural antioxidants in the patient diet Provides the framework for further in-depth analysis or studies of potential treatments
Download or read book Antioxidants and Functional Foods for Neurodegenerative Disorders written by Abhai Kumar and published by CRC Press. This book was released on 2021-01-07 with total page 631 pages. Available in PDF, EPUB and Kindle. Book excerpt: Neurodegenerative diseases, including Alzheimer’s and Parkinson’s disease, are a growing problem across the world’s aging population. Oxidative stress in the brain plays a central role in a common pathophysiology of these diseases. This book presents scientific research on the potential of antioxidant therapy in the prevention and treatment of neurodegenerative disorders. This book outlines the roles of oxidative stress and diabetes mellitus in neurodegeneration, describes the molecular mechanisms of neurodegenerative disorders including the roles of environmental pollutants and inflammatory responses, and explores mitochondrial dysfunction. It then describes the protective abilities of antioxidants – including vitamin D, tocotrienol and coenzyme Q10 – against neurodegeneration. The book demonstrates the therapeutic potential of ketogenic diets, and highlights the roles of medicinal plants, phytopharmaceuticals, traditional medicines and food nutrients in neuroprotection. Key Features: Explains damage caused by numerous neurodegenerative disorders and the possible protection offered by antioxidants and functional foods. Describes molecular mechanisms of neurodegeneration by oxidative stress, advancing age, diabetes and mitochondrial dysfunctions. Demonstrates protection offered by nutraceuticals, antioxidants, botanical extracts and functional foods. The book contains twenty-three chapters divided into six sections written by leading researchers. This book is essential reading for health professionals, dietitians, food and nutrition scientists and anyone wanting to improve their knowledge of etiology of neurodegenerative diseases.
Download or read book Role of Oxidative Stress in Pathophysiology of Diseases written by Pawan K. Maurya and published by Springer Nature. This book was released on 2020-06-15 with total page 297 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book illustrates the importance and significance of oxidative stress in the pathophysiology of various human diseases. The book initially introduces the phenomenon of oxidative stress, basic chemical characteristics of the species involved and summarizes the cellular oxidant and anti-oxidant system and the cellular effects and metabolism of the oxidative stress. In addition, it reviews the current understanding of the potential impact of oxidative stress on telomere shortening, aging, and age-related diseases. It also examines the role of oxidative stress in chronic diseases, including cancer, diabetes, cardiovascular diseases, and neurodegenerative disorders. Further, the book presents novel technologies for the detection of oxidative stress biomarkers using nanostructure biosensors, as well as in vitro and in vivo models to monitor oxidative stress. Lastly, the book addresses the drug delivery carriers that can help in combating oxidative stress.
Download or read book Oxidative Stress Revisited Major Role in Vascular Diseases written by Cristina M. Sena and published by Frontiers Media SA. This book was released on 2019-10-21 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: Oxidative stress is an underlying factor in health and disease. Reactive oxygen species are produced as a result of normal cellular metabolism. The subsequent altered redox state between the formation and the neutralization of pro-oxidants results in their increased levels and therefore leads to cellular damage. Different research disciplines have increased our knowledge of the importance of this cell redox status and the recognition of oxidative stress as a process with implications for many pathophysiological states. Genetic and environmental factors, nutrition and lifestyle may indicate a pro-oxidative and pro-inflammatory state, linked to alterations in cellular structure and function. Oxidative stress emerges as a common, unifying factor in several conditions including diabetes and cardiovascular diseases. This eBook aims to provide novel data regarding the role played by oxidative stress and inflammation in the development of chronic diseases and the different classes of therapeutics from the bench to the clinic, stressing the awareness of these concepts for the treatment of disease. In addition, articles addressing an overview of the role of oxidative stress in vascular diseases reviewing some current concepts indicating that oxidative stress and inflammation are key mechanisms linking vascular diseases and current state-of-the-art approaches to monitor, prevent and inhibit oxidative stress will be highlighted. There is a close relation between oxidative stress, inflammation and cardiovascular diseases. Despite the great amount of investigation carried out in the field, there are still uncertainties about the mechanisms by which free radicals can modify tissues such as perivascular adipose tissue that ultimately will reflect on vascular function. This eBook will focus on articles that can explore and identify these mechanisms. Concurrent with this understanding of oxidative stress milieu, it is necessary to recognize the need for new pharmacological tools effective in restoring oxidative balance. The abundance of new information and the paradigm shift in our understanding of how antioxidants and other redox-active drugs work in a wide variety of vascular diseases will be specifically highlighted. This eBook will provide a comprehensive, up-to-date source of information on the design and mechanistic, pharmacological, and medicinal aspects of redox-active therapeutics. Finally, a unique feature of the eBook is to provide a way to foster an enthralling discussion revisiting old paradigms and finding new solutions for the treatment of vascular diseases. The topic will include original research articles, hypotheses, perspectives and (mini)reviews from experts in the field. The next decade shows promise for the translation of this body of knowledge to novel human therapeutics and this eBook will enable to increment our knowledge in this field.
