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Author: Svenja Zietzling
Publisher:
ISBN:
Category :
Languages : en
Pages : 106
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Book Description
Author: Svenja Zietzling
Publisher:
ISBN:
Category :
Languages : en
Pages : 106
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Book Description
Author: O.R. Hommes
Publisher: Springer Science & Business Media
ISBN: 8847021170
Category : Medical
Languages : en
Pages : 289
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Book Description
There is now evidence that irreversible brain damage accumulates very early in the course of multiple sclerosis. This book reviews the main neurobiological, magnetic resonance imaging, and clinical aspects of the early phases of the dis ease. Mechanisms ofirreversible axonal damage and the role played by the inter action of glia and the axon are highlighted. In contrast to what was believed for a long time, the sufficient availability of oligodendrocyte precursor cells to promote remyelination in acute lesions has now been demonstrated. For reasons not understood, this remyelination process fails or does not start, particularly in the chronic stages ofthe disease. These findings emphasize the importance of the "milieu" changes induced by an inflammatory process in limiting remyelination. However, first indications are that part of this inflammatory process may have a neuroprotective effect. Pathological studies in multiple sclerosis have now clearly demonstrated that destructive processes may be followed by recovery phases in such a way that myelin may be morphologically and functionally reconstituted. These findings provide the rationale for early treatment and emphasize the importance of clinical trials in early multiple sclerosis. Early treatment is one of the most important aspects in multiple sclerosis today.
Author: Ian D. Duncan
Publisher: Springer Science & Business Media
ISBN: 1461422183
Category : Medical
Languages : en
Pages : 296
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Book Description
Myelin Repair and Neuroprotection in Multiple Sclerosis presents an up-date on the translational potential of promoting remyelination in multiple sclerosis (MS). A number of research frontiers still exist in this challenging disease. The cause remains elusive, preventing breakthroughs in its prevention. The move towards oral immunomodulatory therapies has been a major advance, as has the finding of new genes linked to susceptibility that may open the door to new therapeutic approaches. However, a frontier that has been making significant strides in recent years has been that surrounding the neurobiology of myelin regeneration and axon protection: such have been the advances that clinical translation is on the cusp of being achieved. Two broad approaches to therapeutic enhancement of remyelination are envisaged: promoting endogenous remyelination by targeting cells present in the CNS, or, replacing lost myelinating cells from exogenous sources. Current research on oligodendrocyte biology, the pathology of MS, imaging of lesions and the biology of remyelination are paving the way toward opening this new translational frontier. Professor Duncan and Professor Franklin have assembled a broad group of experts in the fields of glial cell biology, neuropathology, radiology and clinical neurology to provide the background toward taking remyelination from experimented models into MS patients.
Author: Youn-Jung Roy Kim
Publisher:
ISBN:
Category :
Languages : en
Pages : 154
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Book Description
Currently, available drugs for multiple sclerosis (MS) are predominantly immune-modulatory. They are effective in reducing relapses, but not in slowing down or stopping progressive disease course. Therefore, there is a need to develop treatment strategies that will provide neuroprotection and halt disability progression. Pregnancy is neuroprotective in patients with MS. A pregnancy hormone and a moderate estrogen receptor beta (ER )-ligand, estriol, has been reported to have beneficial effects on reducing relapses and improving cognition when treated in MS patients. Although, the mechanisms of ER -ligand mediated treatment effects on neuroprotection remains poorly understood. Here I hypothesized that ER signaling on CD11c+ immune cells and Olig1+ oligodendrocytes plays an essential role in providing neuroprotection and enhancing remyelination. To test the hypothesis, I created conditional knockout mice (CKO) with ER deleted from each cell type using the Cre-LoxP recombinase system and investigated neuroprotective effects of ER -ligand treatment in experimental autoimmune encephalomyelitis (EAE) and cuprizone diet-induced demyelinating disease models. Also, I used RiboTag mice to determine oligodendrocyte specific gene expression to understand the molecular mechanisms of remyelination. Subsequently, I studied the mechanisms of ER -ligand treatment effects in oligodendrocytes during remyelination. The results revealed that ER -ligand treatment reduced pro-inflammatory responses through ER on CD11c+ myeloid DC/M and increased oligodendrocyte maturation through ER on Olig1+ oligodendrocytes during EAE. The use of CKO mice proved that both were necessary as one without the other was not sufficient. Mechanistic insights on remyelination using the RiboTag mice revealed that oligodendrocytes upregulate de novo cholesterol biosynthesis during remyelination after chronic demyelination. Furthermore, when compared to vehicle treated naturally remyelinating mice, ER -ligand treated mice showed enhanced remyelination by increasing oligodendrocyte maturation, increasing cholesterol synthesis pathway genes, increasing oligodendrocyte progenitor cells (OPCs), and increasing Sox2 expression in OPCs during remyelination. I extended our investigation of ER -ligand treatment in the cuprizone model to the EAE model, to discover that ER -ligand treated mice showed neuroprotection by increasing oligodendrocyte maturation, and increasing cholesterol synthesis pathway genes, but not by increasing OPC Sox2 expression. This comprehensive approach using two different demyelinating disease models of MS and two transgenic mouse models provided critical insights regarding treatment effects of ER -ligand on neuroprotection and remyelination in vivo.
Author: Ian S. Zagon
Publisher:
ISBN: 9780994438133
Category :
Languages : en
Pages : 137
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Book Description
Author: Swapan K. Ray
Publisher: Springer Nature
ISBN: 1071636626
Category :
Languages : en
Pages : 642
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Book Description
Author: Alina Gonzalez-Quevedo
Publisher: BoD – Books on Demand
ISBN: 9535126563
Category : Medical
Languages : en
Pages : 340
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Book Description
Multiple sclerosis (MS) is a chronic inflammatory disease characterized by progressive demyelination and neurodegeneration of the central nervous system (CNS), constituting the most common demyelinating disease of the CNS in humans. Although intensive research over many decades has unveiled many pathophysiological mechanisms in the development of MS, the cause is still unknown. Nevertheless, it does seem clear that genetic susceptibility and environmental factors play crucial roles. Trending Topics in Multiple Sclerosis is a book that provides an insight into some of the main problems currently debated in this area of research, focusing on topics that deal with genetic and environmental risk factors, pathophysiological mechanisms, neurocognitive findings, and neuroprotective strategies.
Author: Alireza Minagar
Publisher: Academic Press
ISBN: 0128010053
Category : Science
Languages : en
Pages : 540
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Book Description
Multiple Sclerosis: A Mechanistic View provides a unique view of the pathophysiology of multiple sclerosis (MS) and related disorders. As the only book on the market to focus on the mechanisms of MS rather than focusing on the clinical features and treatment of the disease, it describes the role of genetic and environmental factors in the pathogenesis of MS, the role of specific cells in the pathophysiology of the disease, and the pathophysiology of inflammatory and neurodegenerative disorders related to MS. The book provides discussion of neurodegeneration and neuroregeneration, two critical emerging areas of research, as well as detailed discussion of the mechanisms of action of the approved and investigational drugs for treatment of MS and the emerging role of magnetic resonance spectroscopy (MRI) in investigations into MS. It is the only book on the market to offer comprehensive coverage of the known mechanisms of MS and related diseases, and contains contributions from physicians and researchers who are worldwide experts in the field of study. Focuses on the pathophysiologic mechanisms of multiple sclerosis and the mechanisms of action in agents for the treatment of MS Discusses the roles of neurodegeneration and neuroregeneration in MS and related diseases Authored and edited by international leaders in the field of MS research
Author: Institute of Medicine
Publisher: National Academies Press
ISBN: 0309072859
Category : Medical
Languages : en
Pages : 457
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Book Description
Multiple sclerosis is a chronic and often disabling disease of the nervous system, affecting about 1 million people worldwide. Even though it has been known for over a hundred years, no cause or cure has yet been discovered-but now there is hope. New therapies have been shown to slow the disease progress in some patients, and the pace of discoveries about the cellular machinery of the brain and spinal cord has accelerated. This book presents a comprehensive overview of multiple sclerosis today, as researchers seek to understand its processes, develop therapies that will slow or halt the disease and perhaps repair damage, offer relief for specific symptoms, and improve the abilities of MS patients to function in their daily lives. The panel reviews existing knowledge and identifies key research questions, focusing on: Research strategies that have the greatest potential to understand the biological mechanisms of recovery and to translate findings into specific strategies for therapy. How people adapt to MS and the research needed to improve the lives of people with MS. Management of disease symptoms (cognitive impairment, depression, spasticity, vision problems, and others). The committee also discusses ways to build and financially support the MS research enterprise, including a look at challenges inherent in designing clinical trials. This book will be important to MS researchers, research funders, health care advocates for MS research and treatment, and interested patients and their families.
Author: Mathias Bähr
Publisher: John Wiley & Sons
ISBN: 3527604316
Category : Medical
Languages : en
Pages : 390
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Book Description
In this first book to cover model systems, molecular mechanisms and clinical trials all in one volume internationally renowned scientists and clinicians provide a comprehensive treatment of neuroprotective strategies for all important neurological disorders. Following an overview of neurodegenerative, traumatic, and ischemic disorders, the book goes on to cover in vitro and animal model systems as well as cellular and molecular mechanisms. An extremely helpful analysis of clinical studies explains reasons for their success and failure, and the whole is rounded off with a look at the current challenges and hopes for the development of effective treatment strategies in the future.
