Biochemical and Pharmacological Roles of Adenosylmethionine and the Central Nervous System PDF Download
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Author: Vincenzo Zappia
Publisher: Elsevier
ISBN: 1483159876
Category : Medical
Languages : en
Pages : 185
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Book Description
Biochemical and Pharmacological Roles of Adenosylmethionine and the Central Nervous System contains the proceedings of an International Round Table on Adenosylmethionine and the Central Nervous System held in Naples, Italy, on May 2, 1978. The papers explore the biochemical and pharmacological roles of S-adenosylmethionine (SAM), with particular emphasis on its functions in the central nervous system (CNS). This book consists of 13 chapters and opens with an introduction to some novel biochemical aspects of SAM and related sulfur compounds, paying particular attention to transmethylation reactions; polyamine biosynthesis and unusual biological roles of adenosylmethionine; metabolic pathways related to adenosine-sulfur compounds; and transport of adenosylmethionine. The following chapters discuss a number of chemical and biochemical properties of SAM as well as its pharmacological aspects within the CNS. The relation between folate and adenosylmethionine metabolism in the brain is examined, along with the effect of SAM administration on noradrenaline and serotonin metabolism in rat brain; cerebral utilization of adenosylmethionine and adenosylhomocysteine; and antidepressant effects of adenosylmethionine. Methylation in schizophrenia is also considered. This monograph will be a valuable source of information for biochemists and pharmacologists.
Author: Vincenzo Zappia
Publisher: Elsevier
ISBN: 1483159876
Category : Medical
Languages : en
Pages : 185
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Book Description
Biochemical and Pharmacological Roles of Adenosylmethionine and the Central Nervous System contains the proceedings of an International Round Table on Adenosylmethionine and the Central Nervous System held in Naples, Italy, on May 2, 1978. The papers explore the biochemical and pharmacological roles of S-adenosylmethionine (SAM), with particular emphasis on its functions in the central nervous system (CNS). This book consists of 13 chapters and opens with an introduction to some novel biochemical aspects of SAM and related sulfur compounds, paying particular attention to transmethylation reactions; polyamine biosynthesis and unusual biological roles of adenosylmethionine; metabolic pathways related to adenosine-sulfur compounds; and transport of adenosylmethionine. The following chapters discuss a number of chemical and biochemical properties of SAM as well as its pharmacological aspects within the CNS. The relation between folate and adenosylmethionine metabolism in the brain is examined, along with the effect of SAM administration on noradrenaline and serotonin metabolism in rat brain; cerebral utilization of adenosylmethionine and adenosylhomocysteine; and antidepressant effects of adenosylmethionine. Methylation in schizophrenia is also considered. This monograph will be a valuable source of information for biochemists and pharmacologists.
Author: National Library of Medicine (U.S.)
Publisher:
ISBN:
Category : Medicine
Languages : en
Pages : 1116
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Book Description
First multi-year cumulation covers six years: 1965-70.
Author: Ronald T. Borchardt
Publisher: Springer Science & Business Media
ISBN: 1461250129
Category : Medical
Languages : en
Pages : 463
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Book Description
This book has been developed from its earlier and far less formal presentment as the proceedings of a symposium entitled The Biochemistry of S-Adenosylmethionine as a Basis for Drug Design that was held at the Solstrand Fjord Hotel in Bergen, Norway on June 30-July 4, 1985. The purpose of the symposium was to bring together scientists from various disciplines (biochemistry, pharmacology, virology, immunology, chemistry, medicine, and so on) to discuss the recent advances that have been made in our understanding of the biological roles of S adenosylmethionine (AdoMet) and to discuss the feasibility of utilizing AdoMet-dependent enzymes as targets for drug design. Thus the information provided herein will be of value not only to basic scientists involved in elucidating the role of AdoMet in biology, but also to medicinal chemists who are using this basic knowledge in the process of drug design. The volume should also be of interest to pharmacologists and clinicians involved in biological evaluation of potential therapeutic agents arising from the efforts of the biochemists and medicinal chemists. Each plenary speaker at the symposium was requested to submit a chapter reviewing recent contributions of their discipline to our base of knowledge about the biological role of AdoMet. Topics covered in this volume include protein and phospholipid methylations (Section A), nucleic acid methyl ations (Section B), the regulation of AdoMet, S-adenosylhomocysteine, and methylthioadenosine metabolism (Section C), clinical aspects of AdoMet (Section D), and the design, synthesis, and biological evaluation of trans methylation inhibitors (Section E).
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Author: Erick J. Vandamme
Publisher: Springer Science & Business Media
ISBN: 9781851663255
Category : Science
Languages : en
Pages : 464
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Book Description
Vitamins and related growth factors belong to the few chemicals with a positive appeal to most people; the name evokes health, vitality, fitness, strength . . . . each one of us indeed needs his daily intake of vitamins, which should normally be provided via a balanced and varied diet. However, current food habits or preferences, or food processing and preservation methods do not always assure a sufficient natural daily vitamin supply, even for a healthy human being; this is all the more true for stressed or sick individuals. Although modern society is seldom confronted with the notorious avitaminoses of the past, they do still occur frequently in overpopulated and poverty- and famine-struck regions in many parts of the world. Apart from their in-vivo nutritional-physiological roles as growth factors for man, animals, plants and micro-organisms, vitamin compounds are now being introduced increasingly as food/feed additives, as medical-therapeutical agents, as health-aids, and also as technical aids. Indeed, today an impressive number of processed foods, feeds, cosmetics, pharmaceuticals and chemicals contain extra added vitamins or vitamin-related compounds, and single or multivitamin preparations are commonly taken or prescribed. These reflections do indicate that there is an extra need for vitamin supply, other than that provided from plant and animal food resources. Most added vitamins are indeed now prepared chemically and/or biotechnologically via fermentation/bioconversion processes. Similarly, other related growth factors, provitamins, vitamin-like com pounds, i. e.
Author:
Publisher: Academic Press
ISBN: 0080562175
Category : Science
Languages : en
Pages : 362
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Book Description
Advances in Cancer Research
Author: Klaus Kramer
Publisher: CRC Press
ISBN: 1135569185
Category : Health & Fitness
Languages : en
Pages : 425
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Book Description
Promoting scientific support for the plethora of health benefits related to nutrition and medicine, Nutraceuticals in Health and Disease Prevention delivers a comprehensive and scientifically sound overview of the latest research findings in disease prevention, therapy, and enhanced body function in the revolutionary field of nutraceutical technolo
Author: British Library
Publisher: Walter de Gruyter
ISBN: 3111725944
Category : Reference
Languages : en
Pages : 528
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Book Description
Author: E. De Clercq
Publisher: Elsevier
ISBN: 0080526039
Category : Medical
Languages : en
Pages : 249
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Book Description
The purpose of the series on Advances in Antiviral Drug Design is to regularly review the "state of the art" on emerging new developments in the antiviral drug research field, thereby spanning the conceptual design and chemical synthesis of new antiviral compounds, their structure-activity relationship, mechanism and target(s) of action, pharmacological behavior, antiviral activity spectrum, and therapeutic potential for clinical use. Volume 2 begins with a description of the antiviral potential of antisense oligonucleotides by J. Temsamani and S. Agrawal. According to the aims of the anitsense technology, these oligonucleotides should be targeted at specific viral antisense technology, these oligonucleotides should be targeted at specific viral mRNA sequences so that translation to the virus-specified proteins is blocked; this has been achieved for a number of oligomers, some of which are now in clinical trials for the treatment of HIV, HCMV, and human papilloma virus (HPV) infections. Then C.-S. Yuan, S. Liu, S.F. Wnuk, M.J. Robins and R.T. Borchardt assess the role of S-adenosylhornocysteine (AdoHcy) hydrolase as target for the design of antiviral agents with broad-spectrum antiviral activity. This is followed by an in-depth account on the design and synthesis of a number of first-, second- and third-generation AdoHcy hydrolase inhibitors and their mode of action at the enzyme level.V.E. Marquez provides a comprehensive description of the various carbocyclic (carba) nucleosides that have been synthesized and evaluated for antiviral activity. Although the number and diversity of the carba-nucleosides that have been found to be antivirally active (or inactive) is astonishingly high, there is no limit to further expansion of this fascinating class of molecules. For the various nucleoside analogues that have to be intracellularly phosphorylated to the 5'-triphosphate stage, to interact with their target enzyme (i.e., herpesviral DNA polymerase or retroviral revers transcriptase) the first phosphorylation step is often the rate-limiting step, and thus various strategies are envisaged by C. Perigoud, J.-L. Girardet, G. Gosselin and J.-L. Bach on how to bypass this initial phosphorylation and to deliver the nucleoside 5'-monophophate directly inside the cells.The HIV protease has been considered as a paradigm for rational drug design. The enzyme is among the best understood in terms of both structure and action, and because of its crucial role in the maturation of HIV, it has been vigorously pursued as a target for anti-HIV chemotherapy. In their comprehensive review of the multidisciplinary approach towards the development of HIV protease inhibitors A.G. Tomasselli, S. Thaisrivongs and R.L. Heinrikson highlight those protease inhibitors which have been brought forward to clinical trials.
Author: V. M. Andreoli
Publisher: Springer Science & Business Media
ISBN: 3642885160
Category : Medical
Languages : en
Pages : 193
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Book Description
V M. ANDREOLl, A. AGNOLI, and C. FAZIO The transfer of a methyl group from a donor to an acceptor compound is a fundamental biochemie al process long since known to biologists; the process is involved, for instance, in the metabolism of porphyrins, nuc1eic acids, and fatty acids. Only recently, however, did transmethylation processes reveal their decisive role in CNS biochemistry - namely with the discovery that such processes are linked with the biogenie amines that have been conc1usively identified as the chemical mediators of neu ronal transmission and, more broadly, of behavior. The first suggestion that transmethylation processes might be involved in the origina tion of certain mental diseases came from Harley-Mason (1952), who noticed that many of the hallucinogenic substances known at that time contained methyl radicals, and par ticularly that mescaline represented the product of O-methylation of dopamine in posi tions 3, 4, and 5. This hypothesis was put forward when the O-methylation of catechol amines by catechol-O-methyltransferases had not yet been described. Harley-Mason further proposed that in the living organism the process of O-methyla tion might follow a "deviant" metabolie pathway, and that the accumulation of abnor mal methylated metabolites endowed with hallucinogenic properties might be responsi ble for the implementation of some mental diseases, notably schizophrenia. He also called attention to a substance, 3,4-dimethoxyphenylethylamine (3,4-DMPEA) as a possible psychotogenic moleeule, on the strength of its capacity for producing cata tonia in experimental animals
