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With recent advances of modern medicine, more people reach the "elderly age around the globe, and the number of dementia cases are ever increasing. This book is about various aspects of dementia and provides its readers with a wide range of thought-provoking sub-topics in the field of dementia. The ultimate goal of this monograph is to stimulate other physicians' and neuroscientists' interest to carry out more research projects into the pathogenesis of this devastating group of diseases.
Interest in the study of peripheral nerve repair and regeneration has increased significantly over the last twenty years and today the number of nerve reconstructions performed is progressively increasing due to the continuous improvement in surgical technology and to the spread of microsurgical skills among surgeons worldwide. This volume of International Review of Neurobiology providdes an overview of the state of the art knowledge in peripheral nerve repair and regeneration by bringing together a number of reviews that critically address some the most important issues in this biomedical field.
Neuroinflammation has been implicated recently in the pathogenesis of many neurodegenerative diseases. The cross-talk between neurons and non-neuronal cells seems to be a critical step in the progression of neurodegeneration and molecules that have a beneficial role may turn into harmful players. Thus, matrix metalloproteinases (MMPs), which are involved in axonal growth and regeneration as well as synaptic plasticity, may also have detrimental effects. Recent evidence has linked MMPs to conditions like ischemia, multiple sclerosis, Alzheimer's disease and suggested that, together with their role in the degradation of extracellular macromolecules, MMPs could work as important signalling mole...
This book summarises the recent development in acupuncture research and in particular, the neurobiology of acupuncture. It provides a focus but a diverse range of subjects covering many body systems. The first a few chapters discuss the basic principles of acupuncture, then its modulatory effects on nervous system such as induction of neurotrophin and neurogenesis in the brain. Late chapters explore the clinical effects and potential mechanisms of acupuncture on different conditions ranging from neurological diseases such as Parkinson's, Alzheimer's, and stroke, to psychiatric illnesses, insomnia, hypertension, gastrointestinal diseases and drug addiction. We believe this will promote the understanding acupuncture treatment and enhance acupuncture research in the future. - This volume of International Review of Neurobiology brings together cutting-edge research on the neurobiology of acupuncture - It reviews current knowledge and understanding, provides a starting point for researchers and practitioners entering the field, and builds a platform for further research and discovery
In recent years, considerable advances have been made in our knowledge and understanding of Parkinson's disease (PD). In particular, there has been an explosion of information regarding genetic contributions to the etiology of PD and an increased awareness of the importance of the non-motor features of the disease. Theories regarding the pathogenesis and pathophysiology of PD have also been refined, and new treatment modalities and advances implemented. Reflecting these changes, this second edition features new chapters devoted to genetic aspects of PD, non-motor features of the disease, and aspects of the pathophysiology, pathogenesis, and treatment of PD.
Alzheimer’s disease (AD) is a chronic neurodegenerative disorder characterized by progressive cognitive dysfunction and memory loss, inability to perform the activities of daily living and mood disorders. According to the so-called “amyloid cascade hypothesis”, amyloid-ß- peptide (Aß), produced by beta- and gamma- secretase-mediated cleavages of the amyloid precursor protein (APP), plays a pivotal role in the pathogenesis of AD. Aß was also shown to contribute to AD pathology by stimulating the hyperphosphorylation of tau which is responsible for the formation of neurofibrillary tangles. However, the “amyloid cascade hypothesis” was challenged by other theories which lend suppor...
Microglial cells play a vital role in the innate immune response occurring in the Central Nervous System (CNS). Under physiologic conditions, microglia dynamically patrol the brain parenchyma and participate in the remodeling of active neuronal circuits. Accordingly, microglia can boost synaptic plasticity by removing apoptotic cells and by phagocytizing axon terminals and dendritic spines that form inappropriate neural connections. Upon brain and spinal cord injury or infection, microglia act as the first line of immune defense by promoting the clearance of damaged cells or infectious agents and by releasing neurotrophins and/ or proneurogenic factors that support neuronal survival and rege...
Current pharmacotherapies and surgical intervention provide limited benefit in the treatment of neural injuries or halting disease progression and has resulted in significant hope for the successes of stem cell research. The properties of stem cells render them appropriate for cell replacement therapy, endogenous repair, disease modeling as well as high-throughput drug screening and development. Such applications will aide in increasing our knowledge and developing treatments for neurodegenerative disorders such as Parkinson’s disease and Huntington’s diseases as well as neural traumas including ischemic brain damage and traumatic brain injury. This Frontiers Research topic encouraged co...
Neuronal function relies on the establishment of proper connections between neurons and their target cells during development. This basic statement involves several cellular processes, such as neuronal differentiation, the polarized outgrowth of axons and dendrites from differentiated neurons, and the pathfinding of axons towards target cells. The subsequent recognition of complementary synaptic partners finally triggers the formation, maturation, and maintenance of functional synapses. Morphogens are secreted signaling molecules that regulate tissue patterning and cell identity during early embryonic development. Remarkably, growing evidence over the last years arising from different invertebrate and vertebrate model organisms has shown that, after cell fate has been established, morphogens also control the precise wiring of the nervous system.