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Author: Abel Lajtha
Publisher: Springer Science & Business Media
ISBN: 1468445685
Category : Medical
Languages : en
Pages : 683
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Book Description
A major advance in the biological sciences in the past decade has been the biochemical identification of cell membrane receptors. The existence of re ceptor substances on the surface of cells that recognize and bind to extracellular molecules was proposed at the beginning of the century by the pharmacologist and immunologist Paul Ehrlich and the physiologist J. N. Langley. Since then, receptors have been found to play an important role in numerous physiological and pathological processes. Over the years many attempts have been made to physically isolate and chemically characterize receptors, but because of the receptors' extremely low concentration and membrane localization, these ef forts have met with limited success. Yet, despite the failure to characterize receptor substances, the concept of the presence of such molecules has had considerable heuristic value. Using pharmacological, physiological, and im munologic approaches, researchers have identified several specific receptors, e. g. , a-and ~-adrenergic, nicotinic and muscarinic cholinergic, and histami nergic. With the characterization of various types of receptors on cell mem branes, many drugs were developed that proved to be experimentally and ther apeutically useful. It was only in the early 1970s that methods for the specific measurement, chemical characterization, and physical isolation of cell membrane receptors were developed. These advances were made possible by the availability of ligands with high specific radioactivity that retained their biological activity and of experimental procedures that differentiated between specific and non specific binding of ligands.
Author: Abel Lajtha
Publisher: Springer Science & Business Media
ISBN: 1468445685
Category : Medical
Languages : en
Pages : 683
Get Book Here
Book Description
A major advance in the biological sciences in the past decade has been the biochemical identification of cell membrane receptors. The existence of re ceptor substances on the surface of cells that recognize and bind to extracellular molecules was proposed at the beginning of the century by the pharmacologist and immunologist Paul Ehrlich and the physiologist J. N. Langley. Since then, receptors have been found to play an important role in numerous physiological and pathological processes. Over the years many attempts have been made to physically isolate and chemically characterize receptors, but because of the receptors' extremely low concentration and membrane localization, these ef forts have met with limited success. Yet, despite the failure to characterize receptor substances, the concept of the presence of such molecules has had considerable heuristic value. Using pharmacological, physiological, and im munologic approaches, researchers have identified several specific receptors, e. g. , a-and ~-adrenergic, nicotinic and muscarinic cholinergic, and histami nergic. With the characterization of various types of receptors on cell mem branes, many drugs were developed that proved to be experimentally and ther apeutically useful. It was only in the early 1970s that methods for the specific measurement, chemical characterization, and physical isolation of cell membrane receptors were developed. These advances were made possible by the availability of ligands with high specific radioactivity that retained their biological activity and of experimental procedures that differentiated between specific and non specific binding of ligands.
Author: Graeme Milligan
Publisher: OUP Oxford
ISBN: 0191565873
Category : Science
Languages : en
Pages : 430
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Book Description
Since the publication of the first edition of Signal Transduction: A Practical Approach in 1992 there has been a great deal of new information about the processes of signal transduction and consequently many new methods have been developed. This new edition has therefore been updated and extended to include the major new methods now available. The first part of the book is mainly concerned with G protein-coupled receptors and covers structural studies of conformational changes and binding sites, phosphorylation and desensitisation, identification, receptor fusion proteins, and reporter gene systems. The second part includes methods for studying components of the other major families of signal transduction: adenylyl cylase and cAMP, phosphorylated inositol lipids, phosphinositide 3-kinases, phosphlipase D and phosphatidylcholine, sphingosine kinase, and inositol 1,4,5-triphosphate. Also included are chapters on baculoviral expression systems and the quantitative assay of mitogen activated protein kinases in intact cells and tissues. As with the previous edition Signal Transduction 2e covers a wide range of techniques and will be useful to both experienced researchers and newcomers.
Author: P. Beart
Publisher: Springer
ISBN: 1349100471
Category : Medical
Languages : en
Pages : 408
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Book Description
The proceedings of the 1987 IUPHAR symposium held in Sydney, Australia are fully documented. Over 100 scientists from 16 countries attended the three-day conference, during which time 68 multi-disciplinary presentations concerning dopamine systems and their regulation were made.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 352
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Book Description
Author: I.H. Page
Publisher: Springer Science & Business Media
ISBN: 3642656005
Category : Medical
Languages : en
Pages : 644
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Book Description
The history of arterial hypertension is both long and short; long, since BRIGHT (1827) first related hardness of the pulse to hardness of the kidneys and hyper. trophy of the heart; short in that modern research began in the late twenties. Most of what we know of these diseases has been discovered in the past fifty years. The modern story should have begun in 1897 when an extract of kidney was shown to be pressor. But little was done with knowledge until about 1929 when the relationship of this kidney extract called "renin" to hypertension was pos· tulated. The pressor effects were, however, unlike most of those seen with sub· stances such as epinephrine or vasopressin. Plasma was required for action of renin and the active substance appeared to be protein. In 1939, it was shown that renin was not in itself a pressor substance but rather a proteolytic enzyme which produced a powerful pressor substance acting on a substrate synthesized by the liver. Later it was noted that the first definable step after the formation of this peptide was cleaving of the decapeptide which had little or no demonstrable activity, with loss of two amino acids to form the octapeptide called "angiotensin". Within a decade synthesis was achieved which made the substance available for world·wide study.
Author: Israel Hanin
Publisher: Springer Science & Business Media
ISBN: 1475791453
Category : Medical
Languages : en
Pages : 690
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Book Description
This book represents the third in a series of International Conferences related to Alzheimer's (AD) and Parkinson's (PD) diseases. The first one took place in Eilat, Israel, in 1985; and the second one in Kyoto, Japan, in 1989. This book contains the full text of oral and poster presentations from the Third International Conference on Alzheimer's and Parkinson's Diseases: Recent Developments, held in Chicago, Illinois, U.S.A. on November 1-6, 1993. The Chicago Conference was attended by 270 participants. The Scientific Program was divided into nine oral sessions, a keynote presentation, and a poster session. The conference culminated in a Round Table Discussion involving all of the participants in the conference. The four and one-half day meeting served as an excellent medium for surveying the current status of clinical and preclinical developments in AD and PD. There were 59 oral presentations and 93 posters. This book incorporates a majority of both.
Author: E.R. Barnea
Publisher: Springer Science & Business Media
ISBN: 3642843859
Category : Medical
Languages : en
Pages : 559
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Book Description
Leading workers in the field of human reproduction provide both basic knowledge and useful practical information in this book about the most critical phase in the development of a new human being: the first twelve weeks of life. The period from fertilization and implantation to the end of the first trimester is still insufficiently understood and marks a new frontier. The knowledge necessary for applying our present diagnostic capabilities and for venturing into the problematic areas of fertilization technology and embryonic treatment is made easily available in this comprehensive textbook. The book is divided into two parts. The first presents basic information about physiology, anatomy, in vivo investigations, biochemistry and legal aspects. The second part focuses on pregnancy development, monitoring and the clinical diagnosis and management of disorders in the early stages of life. A full section is devoted to assisted conception and the newest possibilities in fertilizationtechnologies, whereby the ethical aspects are also discussed.
Author: Jaromir Myslivecek
Publisher: Springer Nature
ISBN: 1071640151
Category :
Languages : en
Pages : 361
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Book Description
Author: New York (State).
Publisher:
ISBN:
Category : Law
Languages : en
Pages : 446
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Book Description
Author:
Publisher: Elsevier
ISBN: 0080861725
Category : Medical
Languages : en
Pages : 450
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Book Description
Hypertension and Brain Mechanisms
