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Author : Stanley I. Rapoport
Publisher : Unknown
Page : 340 pages
File Size : 54,9 Mb
Release : 1976
Category : Medical
ISBN : 0890040796
Author : Gert Fricker,Melanie Ott,Anne Mahringer
Publisher : Springer
Page : 163 pages
File Size : 50,5 Mb
Release : 2014-10-24
Category : Science
ISBN : 9783662437872
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 : Pierre-Olivier Couraud,Daniel Scherman
Publisher : Springer Science & Business Media
Page : 366 pages
File Size : 52,7 Mb
Release : 2013-06-29
Category : Medical
ISBN : 9781475794892
The endothelial cells of the cerebral vasculature constitute, together with perivascular elements (astrocytes, pcricytes, basement membrane), the blood-brain barrier (BBB), which strictly limits and specifically controls the exchanges between the blood and the cerebral extracellular spacc.The existence of such a physical, enzymatic, and active barrier isolating the central nervous system has broad physiological, biological, pharmacological, and patho logical consequences, most of which are not yet fully elucidated. The Cerebral Vascular Biology conference (CVB '95) was organized and held at the "Carre des Sciences" in Paris on July I 0-12, 1995. Like the CVB '92 conference held in Duluth, Minnesota, three years ago, the objectives were to provide a forum for presentation of the most recent progresses and to stimulate discussions in the ticld of the biology, physiology. and pathology of the blood-brain barrier. The Paris conference gathered more than !50 participants. including investigators in basic neuroscience, physicians. and stu dents, who actively contributed to the scientific program by their oral or poster presentations. This volume contains a collection of short articles that summarize most of the new data that were presented at the conference. Six thematic parts focus on physiological transports. drug delivery, multidrug resistance P-glycoprotein, signal transduction at the BBB. interactions between the immune system and the cerebral endothelial cells, and the blood-brain barrier-related pathologies in the central nervous system. In addition, two introductory articles present new insights in the rapidly evolving topics of cerebral angiogenesis and gene transfer to the brain.
Author : Michael W.B. Bradbury
Publisher : Springer Science & Business Media
Page : 562 pages
File Size : 47,9 Mb
Release : 2012-12-06
Category : Medical
ISBN : 9783642768941
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 : William M. Pardridge
Publisher : Cambridge University Press
Page : 504 pages
File Size : 41,5 Mb
Release : 1998-08-28
Category : Medical
ISBN : 0521581249
The blood-brain barrier serves to protect the brain from toxic substances whilst simultaneously allowing access to essential nutrients and chemical signals. At the interface between brain and body, knowledge of the blood-brain barrier forms an essential component in the complete understanding of a large proportion of medical disciplines. Nevertheless, it seems that ignorance of both the biology of this important membrane and the methodology suitable for its investigation still remains an impediment to progress in many fields, including, for example, the development of new and efficacious neuropharmaceuticals, cerebrovascular disease, Alzheimer's disease, cerebral AIDS and brain tumours. This introduction for both researchers and clinicians across the medical sciences is intended to aid both those beginning work directly in this area and those wishing simply to be better informed when interpreting information where the blood-brain barrier may be involved. Advances in both methodology and biology are detailed in 50 chapters from international authorities.
Author : Marilyn J. Cipolla
Publisher : Biota Publishing
Page : 82 pages
File Size : 40,5 Mb
Release : 2016-07-28
Category : Medical
ISBN : 9781615047239
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 : Hugh Davson,Malcolm B. Segal
Publisher : CRC Press
Page : 832 pages
File Size : 52,7 Mb
Release : 1995-11-27
Category : Science
ISBN : 0849344727
This text/reference uses 574 figures and illustrations to help explain the relationships between blood and the cerebrospinal fluid (CSF) and central nervous system (CNS). The authors focus on the interaction of these fluids and the relative importance of the transport mechanisms of hormones from blood to nervous tissue. Carrier-mediated transport of many neuroactive peptides is discussed. Special aspects of the blood-brain barrier are covered in detail. An entire chapter is devoted to the comparative physiology of the CSF and the brain barriers. Physiologists in all fields will have an interest in the updated theories covered in this book.
Author : Davson
Publisher : CRC Press
Page : 356 pages
File Size : 50,7 Mb
Release : 1993
Category : Medical
ISBN : 0849377617
This book is devoted to exploring the complexities of the blood-brain barrier. The book begins by reviewing the historical experiments that led to the concept of a barrier protecting the brain from variations in the blood. Transport kinetics and carrier-mediated processes are described, and the mechanism by which molecules can cross the barrier is discussed. Ways in which the barrier can be disrupted and opened are covered as well. Subsequent chapters in the book describe the transport of glucose and amino acids into the central nervous systems, cover recent findings by which peptides and proteins are able to gain entry or are excluded from the brain, and analyze models that can be used for investigating how the blood-brain barrier can be disordered in neurological disease processes.
Author : Daniela Jezová,John C. Porter
Publisher : Springer
Page : 520 pages
File Size : 48,7 Mb
Release : 2012-03-19
Category : Medical
ISBN : 1468458019
During the past several decades, much research effort has gone into the elucidation of the role of neuroendocrine systems as secretory and metabolic regulators of cells of a variety of organs and structures, including the testes, ovaries, adrenals, thyroid, pituitary gland, and mammary glands. However, the role of cells comprising such organs and structures in the modulation of neuroendocrine processes has received considerably less is generally less well appreciated. attention and Nonetheless, it is important that we understand the actions on neuroendocrine systems of substances that reach the brain by way of the vasculature, including hormones, cytokines, toxins, amino acids, drugs, and similar agents. In order to analyze the present state of knowledge on this topic, experimental scientists and clinicians, whose shared interests include actions of circulating agents on the brain, met at a satellite symposium of the XXXI International Congress of Physiological Sciences. This symposium, entitled Circulating Regulatory Factors and Neuroendocrine Function, was held in Smolenice Castle, Czechoslovakia, June 26-July 1, 1989, and reviews delivered at this symposium as invited presentations are published in this volume. Presentations given as free communications have been published separately and are available in Endocrinologia Experimentalis 24: 1-273, 1990.
Author : Zameel Cader,Winfried Neuhaus
Publisher : Springer Nature
Page : 362 pages
File Size : 52,6 Mb
Release : 2022-06-13
Category : Medical
ISBN : 9783030996543
This book presents a comprehensive collection of current knowledge and leading research about the blood-brain barrier. The chapters are organized in four main parts providing basic information and novel insights about the physiology of the blood-brain barrier, the challenges related to finding and developing drugs crossing the blood-brain barrier, experimental methods to study the blood-brain barrier and the role of the blood-brain barrier in disease mechanisms and its consequences for drug development. In the first part the readers will discover the structure, function and developmental aspects of the blood-brain barrier and gain novel insights into the complexity and functionality of the neurovascular unit and energy metabolism of brain endothelial cells. Chapters of the second part focus on translational challenges from the bench to the bedside in CNS drug development, shed light on the importance to understand the brain distribution of drugs related to their efficacy, elaborate on general pharmacokinetic considerations for CNS drugs and introduce current and novel drug delivery strategies to overcome the blood-brain barrier. The experimental part of the book covers mathematical and in vitro models as well as animal and human methods in blood-brain barrier research. Specific emphasis is set on the description of the methods, the role of species differences for data interpretation, novel human models based on stem cells with the potential for personalized medicine and technical considerations and tips helpful for readers interested in working with these models. In the fourth part particular attentions is given to the blood-brain barrier, its changes and participation during disease progression. Chapters summarize alterations of the blood-brain barrier that are present in common disorders such as Alzheimer’s disease, multiple sclerosis, stroke, traumatic brain injury, epilepsy and brain tumors. Present therapies will be discussed and the consequences for novel treatment approaches that need to bypass the blood-brain-barrier will be explored. In addition, experts discuss the question in how far changes at the blood-brain barrier are causally linked to disease progressions and consequently could serve as therapeutic targets. This collection is designed to appeal to a wide readership from students through basic and applied scientist to pharmacologists, medical doctors and stakeholders from the pharmaceutical industry and regulatory affairs. Due its comprehensive content the book has the potential to become a standard work in the field of blood-brain barrier research.
Author : D.J. Begley,J. Greenwood,M. Segal
Publisher : Springer Science & Business Media
Page : 323 pages
File Size : 40,9 Mb
Release : 2013-11-11
Category : Medical
ISBN : 9781489910547
The scientific contribution of Mike Bradbury to the study of the blood-brain barrier is considerable and wide-ranging, starting with his M.D. thesis in 1962 and still continuing today. The varied spectrum of topics relating to the blood-brain barrier presented in this volume and the many geographical locations from which both speakers and participants gathered to attend the symposium are a fitting testament both to Mike's wide-spread influence in the field and to the esteem in which he is held. When we first had the idea of afestschrift to mark Mike's retirement as Professor of Physiology at King's College London and the beginning of a new vie libre as scientist and yachtsman the plan was initially for a gathering of all of the many colleagues, collaborators and students who had worked with him over the years. However what we had not taken into account was the closeness of the international community of workers in the field, the widespread influence that Mike had wielded and the speed with which word would spread. We should have anticipated all three. The final outcome was an excellent symposium with the majority of the world's key workers either contributing or attending. We hope that this volume presents an adequate record of the meeting.
Author : E.A. Neuwelt
Publisher : Springer Science & Business Media
Page : 424 pages
File Size : 44,5 Mb
Release : 2013-11-11
Category : Medical
ISBN : 9781461307013
Understanding the structure and function of the blood-brain barrier (BBB) and recogniz ing its clinical relevance require a concert of scientific disciplines applied from a view point of integrative physiology rather than from only molecular or analytical approaches. It is this broad scope that is emphasized in this book. In my opinion, four original contributions define the field as it exists today. The first, a monograph by Broman,1 entitled The Permeability of the Cerebrospinal Vessels in Normal and Pathological Conditions, was the model for many subsequent clinical and 3 experimental studies on BBB pathology. Second, experiments by Davson, summarized in his book entitled Physiology of the Ocular and Cerebrospinal Fluids, indicated that passive entry of nonelectrolytes into brain from blood is governed largely by their lipid 4 solubility. This research supported the original suggestion by Gesell and Hertzman that cerebral membranes have the semipermeability properties of cell membranes. The modem era of the barrier was introduced with the 1965 paper by Crone,2 entitled "Facilitated transfer of glucose from blood to brain tissue. " This paper identified stereospecific, facilitated transport of glucose as part of a system of regulatory barrier properties at a time when only a barrier to passive diffusion had been contemplated. Finally, the 1967 paper by Reese and Kamovsky, 11 entitled "Fine structural localization of a blood-brain barrier to exogenous peroxidase," sited the barrier at the continuous layer of cerebrovascular endothelial cells, which are connected by tight junctions.
Author : Elga de Vries,Alexandre Prat
Publisher : CRC Press
Page : 544 pages
File Size : 54,7 Mb
Release : 2005-08-24
Category : Medical
ISBN : 0849398924
This reference analyzes the cellular and molecular biology and mechanisms of the blood-brain barrier (BBB) and presents the most recent studies on the role of the BBB in the development and initiation of a wide range of physiological and pathological conditions affecting the central nervous system.
Author : Yasemin Gürsoy Özdemir,Sibel Bozdag Pehlivan,Emine Sekerdag
Publisher : Academic Press
Page : 378 pages
File Size : 45,9 Mb
Release : 2017-07-14
Category : Medical
ISBN : 9780128038000
Nanotechnology Methods for Neurological Diseases and Brain Tumors: Drug Delivery across the Blood-Brain Barrier compiles the latest (and future potential) treatment strategies for brain tumors and neurological diseases, in particular Alzheimer’s, Parkinson’s and stroke, those that bypass the blood/brain barrier. The current understanding of brain drug delivery and access is discussed in Chapter One, with the next section focusing on the implementation of the nose-to-brain intranasal route in brain-targeted drug delivery. In addition, nanotechnology-based brain drug delivery is covered in Chapter Three. This avenue offers impressive improvement in the treatment of neurological diseases and brain tumors by using bio-engineered systems that interact with biological systems at a molecular level. In Chapter Four, emphasis is placed on the need for brain-targeted experimental models that mimic disease conditions. Final chapters discuss the very latest advances in targeted treatment strategies for neurological diseases and brain tumors. Comprehensive guide for up-to-date views on the latest advances in targeted treatment strategies for brain tumors and neurological diseases Designed with a multidisciplinary approach that links neurology, neuro-oncology and nanoscience to drug delivery to the brain with an emphasis on the blood-brain-barrier Written in a language that makes it easy to understand nanotechnology drug delivery techniques Presents a unique book that also covers advanced treatment approaches of neurological diseases and brain tumors
Author : Thomas Heinbockel,Yongxia Zhou
Publisher : BoD – Books on Demand
Page : 176 pages
File Size : 42,8 Mb
Release : 2021-06-02
Category : Medical
ISBN : 9781839627965
‘Connectivity and Functional Specialization in the Brain’ is a topic that describes nerve cells in terms of their anatomical and functional connections. The term connectome refers to a comprehensive map of neural connections, like a wiring diagram of an organism’s nervous system. Connectomics, the study of connectomes, can be applied to individual neurons and their synaptic connections, as well as to connections between neuronal populations or to functional and structural connectivity of different brain regions. This book addresses neural connectivity at these various scales in health and disease. The chapters review novel findings related to neuroanatomy and cell biology, neurophysiology, neural plasticity, changes of connectivity in neurological disorders, and sensory system connectivity. The book provides the reader with an overview of the current state-of-the-art of research of neural connectivity and focuses on the most important evidence-based developments in this area. Individual chapters focus on recent advances in specific areas of neural connectivity and in different brain regions. All chapters represent recent contributions to the rapidly developing field of neural connectivity.