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Glaucoma is one of the main causes of blindness throughout the world. It is characterized by death of the retinal ganglion cells, which is associated with loss of the axons making up the optic nerve. Recent studies have demonstrated support for the classification of glaucoma as a degenerative disease of the central nervous system (CNS), leading researchers to look at identifying neuroprotection strategies for the treatment of this disease, like those used for other degenerative diseases of the CNS. This book will provide an in-depth examination of the most recent findings regarding glaucoma, including risk factors, diagnosis, clinical monitoring, treatment, and above all, the need for treatment based on the concept of neuroprotection. A large part of the book is devoted to research related to this new approach to the treatment of glaucoma. Describes the most recent developments on neuroprotection of the optic nerve, including experimental models now used and clinical protocols Discusses new strategies for the prevention of neuronal injury in glaucoma patients Focuses on evidence-based risk factors, innovative diagnostic aspects and advanced medical/surgical treatment of glaucoma
New Trends in Basic and Clinical Research of Glaucoma: A Neurodegenerative Disease of the Visual System is the latest volume from Progress in Brain Research focusing on new trends in basic and clinical research of glaucoma. This established international series examines major areas of basic and clinical research within neuroscience, as well as emerging subfields. This well-established international series examines major areas of basic and clinical research within neuroscience, as well as emerging subfields
Glaucoma: A Pancitopatia of the Retina and Beyond, Volume 257, the latest release in the Progress in Brain Research series, highlights new advances in the field, with this new volume presenting interesting chapters written by an international board of authors. Chapters in this volume include the Genetics of glaucoma, Artificial intelligence and deep learning in glaucoma detection and monitoring, The role of commensal microflora-induced T cells responses in glaucoma neurodegeneration, Retinal cell death in experimental glaucoma, Experimental and clinical evidence on the neuroprotective properties of Citicoline in glaucoma, Glaucoma neurodegeneration and myopia, Neuronal regeneration with pluripotent stem cells in glaucoma, and more. Covers all key aspects of current research on glaucoma Provides extensively referenced chapters, giving readers a comprehensive list of resources on topics covered Includes comprehensive and in-depth background information written in a clear form that is accessible to both specialists and non-specialists
This dissertation, "Neurodegeneration and Neuroprotection in Glaucoma Retinopathy-probing the Role of Endothelin-1, RAGE, A{221} and Lycium Barbarum" by Xuesong, Mi, 米雪松, 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: In order to understand the possible mechanisms in the glaucoma-related retinopathy, the role of the vasoconstrictor, endothelin-1 (ET-1), receptor for advanced glycation end-products (RAGE) as well as its ligand, Aβ in the degeneration of retinal ganglion cells (RGCs) were studied in experimental models. In addition, the relationship of ET-1, RAGE and Aβ for the RGC protective mechanism of Lycium Barbarum (LB) was also investigated. In the first part, ET-1 together with its receptors, ETA and ETB, were studied to understand their possible roles in chronic ocular hypertension (COH). The neuronal protective mechanism of LB was also determined by using a well established COH rat model. In normal rats, ET-1 and its receptors, ETA and ETB, were distributed in the retina, vasculature and optic nerve. Interestingly, ET-1 expression was up-regulated after COH. LB could decrease the expression of ET-1 and regulate its receptors (up-regulation of ETB and down-regulation of ETA in vasculature; up-regulation of ETA and down-regulation of ETB in RGCs) under the condition of COH. These data suggested that the RGC protective mechanism of LB might be related to its ability to regulate the biological effects of ET-1. To investigate the pathogenic effect of ET-1 in glaucoma, in the second part, we used transgenic mice with over-expression of ET-1 on endothelial cells (TET-1 mice). We found that beginning at 10-12 months, TET-1 mice showed a progressive retinal degeneration (loss of RGCs associated with neurons in the inner nuclear layer and outer nuclear layer of the retina) without elevation of the intraocular pressure (IOP). The data demonstrated that TET-1 mice may serve as a potential model to investigate the role of endothelial ET-1 in the pathogenesis of normal tension glaucoma and other degenerative retinopathy. To investigate whether LB plays a role on neuronal protection other than in COH, in the third part, we used an acute ocular hypertension (AOH)-induced ischemia mouse model. We found that LB could rescue RGCs under AOH insult, associating with blood vessel protection (decreasing the damage of blood-retinal-barriers and rescuing the survival of endothelial cells and pericytes) and inhibiting retinal gliosis. We also found the protective mechanism of LB was closely correlated with down-regulation of the expression of RAGE, ET-1, APP (amyloid precursor protein), AGE (advanced glycation end-product) as well as Aβ; therefore to reduce the damage effects of these RAGE-mediated reactions to the retinal neurons, blood vessels and glial cells involved in the ischemic insult. Taken together, the present study demonstrated that TET-1 mice may be a potential model for investigating the role of ET-1 in degenerative retinopathies, such as normal tension glaucoma. We also showed the neuronal protective mechanism of LB in vivo was associated with inhibiting the biological effect of ET-1 and down-regulating the damage signaling pathways mediated by the activation of RAGE and its ligands (AGE and Aβ). These results provided further understandings in the mechanism of the glaucoma-related retinopathy. In addition, LB could be a neuroprotective agent to the retina following both chronic and acute injuries. DOI: 10.5353/th_b4724392 Subjects: Neuroprotective agents Lycium chinense - Therapeutic use En
Glaucoma: A Neurodegenerative Disease of the Retina and Beyond Part B, Volume 257, the latest release in the Progress in Brain Research series, highlights new advances in the field, with this new volume presenting interesting chapters written by an international board of authors. Topics covered in this new release include Glaucoma neurodegeneration and myopia, Links between obstructive sleep apnea and glaucoma neurodegeneration, Artificial intelligence and deep learning in glaucoma: Current state and future prospects, Brain networks reorganization and functional disability in glaucoma, Advanced vascular examinations of the retina and optic nerve head in glaucoma, and much more. Covers all key aspects of current research on glaucoma Provides extensively referenced chapters, giving readers a comprehensive list of resources on topics covered Includes comprehensive and in-depth background information written in a clear form that is accessible to both specialists and non-specialists
New Trends in Basic and Clinical Research of Glaucoma: A Neurodegenerative Disease of the Visual System - Part B is the latest volume from Progress in Brain Research focusing on new trends in basic and clinical research of glaucoma. This established international series examines major areas of basic and clinical research within neuroscience, as well as emerging subfields. This well-established international series examines major areas of basic and clinical research within neuroscience, as well as emerging subfields
This Conference proceeding presents high-quality peer-reviewed papers from the International Conference on Electronics, Biomedical Engineering, and Health Informatics (ICEBEHI) 2020 held at Surabaya, Indonesia. The contents are broadly divided into three parts: (i) Electronics, (ii) Biomedical Engineering, and (iii) Health Informatics. The major focus is on emerging technologies and their applications in the domain of biomedical engineering. It includes papers based on original theoretical, practical, and experimental simulations, development, applications, measurements, and testing. Featuring the latest advances in the field of biomedical engineering applications, this book serves as a definitive reference resource for researchers, professors, and practitioners interested in exploring advanced techniques in the field of electronics, biomedical engineering, and health informatics. The applications and solutions discussed here provide excellent reference material for future product development.
Discovery and Development of Neuroprotective Agents from Natural Products draws together global research on medicinal agents from natural sources as starting points for the design of neuroprotective drugs. From the prediction of promising leads and identification of active agents to the extraction of complex molecules, the book explores a range of important topics to support the development of safer, more economical therapeutics for these increasingly prevalent diseases. Beginning with an overview of current developments in the field, the book goes on to explore the identification, extraction and phytochemistry of such neuroprotective agents as antioxidants, biophenols and naturally occurring anti-inflammatory steroid analogues. Specific natural sources of bioactive agents are reviewed, and the development of these agents into therapeutics for a number of specific neurological disorders, including Alzheimer’s disease, Parkinson’s disease and ischemic brain stroke, are discussed. Combining the expertise of specialists from around the world, this in the Natural Products Drug Discovery series aims to support and encourage researchers in the investigation of natural sources as starting points for the development of standardized, safe and effective neuroprotective drugs. Features chapters written by active researchers and leading global experts deeply engaged in the research field of natural product chemistry for drug discovery Includes comprehensive coverage of cutting-edge research advances in the design of drugs from natural products targeted at different kinds of neurodegenerative diseases Offers a practical review of identification, isolation and extraction techniques to support medicinal chemists in the lab
Completion of the first phase of the Human Genome Project has presented scientists with a mountain of new information. The availability of all human genes and their locations is exciting, but their mechanisms of action and interaction with other genes are often unknown. Certain variations in the environment and characteristics of human genes make i
The Science of Glaucoma Management: From Translational Research to Next-Generation Clinical Practice bridges the gap between laboratory research and clinicians by bringing the latest promising research directly from researchers to clinicians long before they translate into clinical advances, and often before they are presented at conferences. Organized as a series of clinically relevant topics written by world-leading experts, this book summarizes the current state of laboratory and translational research and draws on the potential implications for day-to-day clinical practice. It offers new insights and mind-opening statements through contributions from some of the most respected glaucoma research groups. The book allows glaucoma specialists to explore novel ways to refine and rethink their practice based on the latest discoveries in basic sciences and breakthrough technologies, and to gain a better understanding on how their specialty is evolving and how research may shape tomorrow’s practice. Presents a detailed report on the latest translational research and breakthroughs that may transform glaucoma practice Overviews the specialty from a scientific and clinical point-of-view Written by world-renowned clinicians and researchers in the field of glaucoma Includes insights, opinions and recommendations from some of the most prominent scientists and ophthalmologists Covers hot topics and the latest technologies in glaucoma, such as minimally invasive glaucoma surgery, telemedicine, gene therapy, neuroprotection and artificial intelligence