Blood Brain Barriers
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| Author | : Marilyn J. Cipolla |
| Publisher | : Biota Publishing |
| Total Pages | : 82 |
| Release | : 2016-07-28 |
| Genre | : Medical |
| ISBN | : 1615047239 |
This e-book will review special features of the cerebral circulation and how they contribute to the physiology of the brain. It describes structural and functional properties of the cerebral circulation that are unique to the brain, an organ with high metabolic demands and the need for tight water and ion homeostasis. Autoregulation is pronounced in the brain, with myogenic, metabolic and neurogenic mechanisms contributing to maintain relatively constant blood flow during both increases and decreases in pressure. In addition, unlike peripheral organs where the majority of vascular resistance resides in small arteries and arterioles, large extracranial and intracranial arteries contribute significantly to vascular resistance in the brain. The prominent role of large arteries in cerebrovascular resistance helps maintain blood flow and protect downstream vessels during changes in perfusion pressure. The cerebral endothelium is also unique in that its barrier properties are in some way more like epithelium than endothelium in the periphery. The cerebral endothelium, known as the blood-brain barrier, has specialized tight junctions that do not allow ions to pass freely and has very low hydraulic conductivity and transcellular transport. This special configuration modifies Starling's forces in the brain microcirculation such that ions retained in the vascular lumen oppose water movement due to hydrostatic pressure. Tight water regulation is necessary in the brain because it has limited capacity for expansion within the skull. Increased intracranial pressure due to vasogenic edema can cause severe neurologic complications and death.
| Author | : Tatiana Barichello |
| Publisher | : Humana Press |
| Total Pages | : 367 |
| Release | : 2019-02-04 |
| Genre | : Medical |
| ISBN | : 9781493989454 |
This volume focuses on experimental research with applicable models to study physiology, biochemistry, and molecular biology of the blood-brain barrier (BBB). This book is organized into six parts: Part One is an overview of the physiology of BBB; Part Two explores in vitro cell models to study the BBB; Part Three discusses techniques in vivo and ex vivo models to evaluate BBB in Drosophila melanogaster, Zebrafish, and rodents; Part Four looks at permeability, influx, efflux transportation, and drug delivery through the BBB; Part Five talks about various invasive and non-invasive imaging techniques to study BBB; and Part Six describes how molecular biomarkers are used to look at the integrity or dysfunction of the BBB. In Neuromethods series style, chapters include the kind of detail and key advice from the specialists needed to get successful results in your laboratory. Cutting-edge and thorough, Blood-Brain Barrier is a valuable resource to aid both novice and experienced investigators with performing experiments using new and classic translational approaches.
| Author | : Gert Fricker |
| Publisher | : Springer |
| Total Pages | : 169 |
| Release | : 2014-10-24 |
| Genre | : Science |
| ISBN | : 3662437872 |
Medicinal chemistry is both science and art. The science of medicinal chemistry offers mankind one of its best hopes for improving the quality of life. The art of medicinal chemistry continues to challenge its practitioners with the need for both intuition and experience to discover new drugs. Hence sharing the experience of drug research is uniquely beneficial to the field of medicinal chemistry. Drug research requires interdisciplinary team-work at the interface between chemistry, biology and medicine. Therefore, the topic-related series Topics in Medicinal Chemistry covers all relevant aspects of drug research, e.g. pathobiochemistry of diseases, identification and validation of (emerging) drug targets, structural biology, drugability of targets, drug design approaches, chemogenomics, synthetic chemistry including combinatorial methods, bioorganic chemistry, natural compounds, high-throughput screening, pharmacological in vitro and in vivo investigations, drug-receptor interactions on the molecular level, structure-activity relationships, drug absorption, distribution, metabolism, elimination, toxicology and pharmacogenomics. In general, special volumes are edited by well known guest editors.
| Author | : Rolf Dermietzel |
| Publisher | : Wiley-Blackwell |
| Total Pages | : 502 |
| Release | : 2006-04-10 |
| Genre | : Medical |
| ISBN | : |
This is the first handbook to integrate developmental and cellular aspects combining the different structural and functional features involved in the regulation of brain perfusion and neuronal function. It highlights pharmacological and biomedical applications with sections on drug delivery and disease-related states as well as explaining in detail the role of astrocytes, shown to be an essential link between neurons and cerebral blood vessels. In addition the book studies how the structural elements interact in response to the dynamics of neuronal activities, necessitating adaptive mechanism of the interface. A significant part of the book describes new approaches to how the barrier can be surmised for drug delivery and how it can be mimicked by artificial in vitro systems for drug testing. Finally, the involvement of the barrier in brain diseases is considered, focusing on inflammatory and neurodegenerative disorders of the brain. Covering basic knowledge as well as specific information dealing with very recent progress in blood-brain interface research, this book is of interest to neurobiologists, neurologists, biochemists, and pharmacologists.
| Author | : Hari Shanker Sharma |
| Publisher | : Elsevier |
| Total Pages | : 623 |
| Release | : 2003-12-21 |
| Genre | : Medical |
| ISBN | : 0080528228 |
Recent research into the anatomy and pathophysiology of the blood-brain and blood-spinal cord barriers suggests that a breakdown in these barriers can result in several diseases affecting the central nervous system (CNS). This book presents new findings in the area of blood-brain barrier research that suggest barriers play important roles in health and disease conditions. It also discusses the development of new drugs that can modulate the barrier function in the CNS and may provide new approaches to treating neurological diseases such as Alzheimer's disease and other motor neuron diseases, as well as spinal cord trauma. Key Features * Presents the recent progress made in the research on the blood-brain and spinal cord barrier * Contains numerous illustrations of light and electron micrographs * Includes Foreword written by two eminent researchers in the field, Milton Brightman and Jorge Cervos-Navarro
| Author | : Daniel Laskowitz |
| Publisher | : CRC Press |
| Total Pages | : 388 |
| Release | : 2016-04-21 |
| Genre | : Medical |
| ISBN | : 1498766579 |
Traumatic brain injury (TBI) remains a significant source of death and permanent disability, contributing to nearly one-third of all injury related deaths in the United States and exacting a profound personal and economic toll. Despite the increased resources that have recently been brought to bear to improve our understanding of TBI, the developme
| Author | : Ruth Lyck |
| Publisher | : Springer |
| Total Pages | : 0 |
| Release | : 2018-07-21 |
| Genre | : Medical |
| ISBN | : 9783319833088 |
This PIR volume presents a comprehensive collection of reviews that focus on the role of the blood-brain barrier (BBB) during steady-state and inflamed conditions. Within the central nervous system (CNS) the constantly changing bloodstream is strictly separated from the CNS parenchyma by the BBB. However, viruses, bacteria, parasites and auto-aggressive immune cells can penetrate the barrier and significantly contribute to CNS inflammation. The BBB can actively contribute to neuroinflammation by presentation of chemokines, expression of cell adhesion molecules and alterations of barrier properties. As such, understanding the role of the BBB under healthy and pathological conditions is essential to the development of new drugs to efficiently combat inflammatory diseases of the CNS.
| Author | : Robert Vink |
| Publisher | : University of Adelaide Press |
| Total Pages | : 354 |
| Release | : 2011 |
| Genre | : Medical |
| ISBN | : 0987073052 |
The brain is the most complex organ in our body. Indeed, it is perhaps the most complex structure we have ever encountered in nature. Both structurally and functionally, there are many peculiarities that differentiate the brain from all other organs. The brain is our connection to the world around us and by governing nervous system and higher function, any disturbance induces severe neurological and psychiatric disorders that can have a devastating effect on quality of life. Our understanding of the physiology and biochemistry of the brain has improved dramatically in the last two decades. In particular, the critical role of cations, including magnesium, has become evident, even if incompletely understood at a mechanistic level. The exact role and regulation of magnesium, in particular, remains elusive, largely because intracellular levels are so difficult to routinely quantify. Nonetheless, the importance of magnesium to normal central nervous system activity is self-evident given the complicated homeostatic mechanisms that maintain the concentration of this cation within strict limits essential for normal physiology and metabolism. There is also considerable accumulating evidence to suggest alterations to some brain functions in both normal and pathological conditions may be linked to alterations in local magnesium concentration. This book, containing chapters written by some of the foremost experts in the field of magnesium research, brings together the latest in experimental and clinical magnesium research as it relates to the central nervous system. It offers a complete and updated view of magnesiums involvement in central nervous system function and in so doing, brings together two main pillars of contemporary neuroscience research, namely providing an explanation for the molecular mechanisms involved in brain function, and emphasizing the connections between the molecular changes and behavior. It is the untiring efforts of those magnesium researchers who have dedicated their lives to unraveling the mysteries of magnesiums role in biological systems that has inspired the collation of this volume of work.
| Author | : Michael W.B. Bradbury |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 562 |
| Release | : 2012-12-06 |
| Genre | : Medical |
| ISBN | : 3642768946 |
The blood-brain barrier is still not completely understood and therefore the subject of fascinating study. How are endogenous substances transported through the blood-brain barrier? What are the known therapeutic and toxic agents? How are they transported across cerebral microvessels? The discussion of these and other questions with far-reaching consequences for all neuroscientists can be found in this volume. This authoritative and up-to-date review of the blood-brain barrier gives a proper understanding of the topic. The experimental principles, the results of very recent research, as well as the implications that experimental research has for clinical treatment are thoroughly covered. Information is given on: - new findings based on classical physiological and pharmacological techniques, - results obtained from brain capillaries in vitro and in culture, - results obtained from the new scanning techniques (PET and MRI), - the immunology of the blood-brain barrier, - trace metal transport, - the pathological breakdown of the barrier and - the modification of drugs to increase their entry into the brain. Here is a source of information that is invaluable to specialists concerned with basic research in the neurosciences, with the design of neuropharmacological agents, with the radiological diagnosis of cerebral pathology or with the treatment of cerebral lesions!
| Author | : Nicole Stone |
| Publisher | : Springer Nature |
| Total Pages | : 355 |
| Release | : 2022-06-22 |
| Genre | : Medical |
| ISBN | : 1071622897 |
This detailed volume features techniques to explore the complex interface that separates the systemic circulation from the central nervous system, known as the blood-brain barrier (BBB). Beginning with an introduction to its physiology, the book continues with sections on using pluripotent stem cells in models of the BBB, co-culture, permeability and transwell models, microfluidic and chip models, as well as models to study specific BBB pathologies. Written for the highly successful Methods in Molecular Biology series, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Authoritative and practical, The Blood-Brain Barrier: Methods and Protocols collects a wide range of methodologies which will aid all researchers in the fascinating world of the blood-brain barrier.
