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Author: Frederick De Serres Publisher: Springer Science & Business Media ISBN: 1461324491 Category : Medical Languages : en Pages : 518
Book Description
This book is concerned with the genetic consequences of nu cleotide pool imbalance. There are a number of ways in which this state can be achieved and the majority of papers in this volume de scribe the effects of nucleotide pool imbalance on DNA replication and repair, and the induction of gene mutations in various organisms. This book grew out of a Conference on "Genetic Consequences of Nu cleotide Pool Imbalance" which was held at the National Institute of Environmental Health Sciences on May 9-11, 1983. The Organizing Com mittee consisted of Drs. Diana Anderson (BIBRA), Robert Haynes (York University), Bernard Kunz (NIEHS), Barry Glickman (NIEHS), and Frederick J. de Serres (NIEHS), Chairman. The meeting was org- ized by the staff of the Office of the Associate Director for Genetics and was financed solely by the National Institute of Environmental Health Sciences. Frederick J. de Serres, Ph.D. Associate Director for Genetics v CONTENTS SECTION I. INTRODUCTION Molecular Mechanisms in Genetic Stability and Change: 1 The Role of Deoxyribonucleotide Pool Balance •••••• Robert H. Haynes SECTION II. NUCLEOTIDE METABOLISM 25 Metabolic Effects of Poly(ADP-ribose) Inhibitors •••••••• Kathryn M. Milam and James E. Cleaver Ribonucleotide Reductase and Deoxyribonucleotide 33 POQ 1 s ............................................ . Peter Reichard 47 Enzymatic Channeling of DNA Precursors •••••••••••••••••• Christopher K. Mathews A Possible Secondary Role for Thymine-Containing DNA 67 Precursors ....................................... . Robert J. Melamede and Susan S. Wallace Multiple Mechanisms of Adenosine Toxicity in an Adenosine Sensitive Mutant of Baby Hamster 103 Kidney (BHK) Cells ............................... .
Author: Frederick De Serres Publisher: Springer Science & Business Media ISBN: 1461324491 Category : Medical Languages : en Pages : 518
Book Description
This book is concerned with the genetic consequences of nu cleotide pool imbalance. There are a number of ways in which this state can be achieved and the majority of papers in this volume de scribe the effects of nucleotide pool imbalance on DNA replication and repair, and the induction of gene mutations in various organisms. This book grew out of a Conference on "Genetic Consequences of Nu cleotide Pool Imbalance" which was held at the National Institute of Environmental Health Sciences on May 9-11, 1983. The Organizing Com mittee consisted of Drs. Diana Anderson (BIBRA), Robert Haynes (York University), Bernard Kunz (NIEHS), Barry Glickman (NIEHS), and Frederick J. de Serres (NIEHS), Chairman. The meeting was org- ized by the staff of the Office of the Associate Director for Genetics and was financed solely by the National Institute of Environmental Health Sciences. Frederick J. de Serres, Ph.D. Associate Director for Genetics v CONTENTS SECTION I. INTRODUCTION Molecular Mechanisms in Genetic Stability and Change: 1 The Role of Deoxyribonucleotide Pool Balance •••••• Robert H. Haynes SECTION II. NUCLEOTIDE METABOLISM 25 Metabolic Effects of Poly(ADP-ribose) Inhibitors •••••••• Kathryn M. Milam and James E. Cleaver Ribonucleotide Reductase and Deoxyribonucleotide 33 POQ 1 s ............................................ . Peter Reichard 47 Enzymatic Channeling of DNA Precursors •••••••••••••••••• Christopher K. Mathews A Possible Secondary Role for Thymine-Containing DNA 67 Precursors ....................................... . Robert J. Melamede and Susan S. Wallace Multiple Mechanisms of Adenosine Toxicity in an Adenosine Sensitive Mutant of Baby Hamster 103 Kidney (BHK) Cells ............................... .
Author: The Royal Society Publisher: National Academies Press ISBN: 0309671132 Category : Medical Languages : en Pages : 239
Book Description
Heritable human genome editing - making changes to the genetic material of eggs, sperm, or any cells that lead to their development, including the cells of early embryos, and establishing a pregnancy - raises not only scientific and medical considerations but also a host of ethical, moral, and societal issues. Human embryos whose genomes have been edited should not be used to create a pregnancy until it is established that precise genomic changes can be made reliably and without introducing undesired changes - criteria that have not yet been met, says Heritable Human Genome Editing. From an international commission of the U.S. National Academy of Medicine, U.S. National Academy of Sciences, and the U.K.'s Royal Society, the report considers potential benefits, harms, and uncertainties associated with genome editing technologies and defines a translational pathway from rigorous preclinical research to initial clinical uses, should a country decide to permit such uses. The report specifies stringent preclinical and clinical requirements for establishing safety and efficacy, and for undertaking long-term monitoring of outcomes. Extensive national and international dialogue is needed before any country decides whether to permit clinical use of this technology, according to the report, which identifies essential elements of national and international scientific governance and oversight.
Author: Charlotte M. Witmer Publisher: Springer Science & Business Media ISBN: 1468458779 Category : Medical Languages : en Pages : 848
Book Description
The finding that chemicals can be metabolically activated to yield reactive chemical species capable of covalently binding to cellular macromolecules and the concept that these reactions could initiate toxicological and carcinogenic events stimulated a meeting by a small group of toxicologists at the University of Turku, in Finland, in 1975 (Jollow et al. , 1977). The growing interest in this field of research led to subsequent symposia at the University of Surrey, in England in 1980 (Snyder et al. , 1982), and the University of Maryland in the U. S. A. in 1985 (Kocsis et al. , 1986). The Fourth International Symposium on Biological Reactive Intermediates was hosted by the Center for Toxicology at the University of Arizona and convened in Tucson, Arizona, January 14-17, 1990. Over 300 people attended. There were 60 platform presentations by invited speakers, and 96 volunteer communications in the form of posters were offered. These meetings have grown from a small group of scientists working in closely related areas to a major international series of symposia which convene every five years to review, and place in context, the latest advances in our understanding of the formation, fate and consequences of biological reactive intermediates. The Organizing Committee: Allan H. Conney, Robert Snyder (Co-chairman), and Charlotte M. Witmer (Rutgers University, Piscataway, NJ), David J. Jollow Co chairman) (Medical University, South Carolina, Charleston, SC), 1. Glenn Sipes (Co chairman) (University of Arizona, Tucson, AZ), James J. Kocsis and George F.
Author: A. D. Woodhead Publisher: Springer Science & Business Media ISBN: 1468449702 Category : Medical Languages : en Pages : 531
Book Description
The present workshop had its orlglns in discussions among Alexander Hollaender, Oddvar Nygaard, Donald Borg, Richard Setlow and Victor Bond on the need for a symposium that would deal with a broad spectrum of pressing subjects related to the physics, chemistry, and biological actions of ionizing radiations, and the theoretical and practical problems of risk assessment. It soon became apparent that the spectrum of subjects considered was too broad for the desired depth of coverage; in fact, it seemed un likely that the conference participants would have the background knowledge to span the gamut. Therefore, two separate meetings were decided upon, the first of which, Comparison of Mechanisms of Carcinogenesis by Radiation and Chemical Agents, was held at the National Bureau of Standards, Gaithersburg on December 6-7, 1983. The meeting was sponsored by the NCI. The second meeting has emerged as the present workshop at Brookhaven National Laboratory. An interface between the two conferences has been provided by Michael Fry and Donald Borg, who have summarized the salient points emanating from the NCI Symposium. We intended that the first conference should focus on the basic mechanisms of radiation and chemical carcinogenesis, while the second, the present meeting, would emphasize exposure-response relationships, particularly the theoretical and practical similar ities and differences between exposure to chemical carcinogens compared to exposure to ionizing radiation.
Author: Atif B. Awad Publisher: CRC Press ISBN: 1420026399 Category : Medical Languages : en Pages : 637
Book Description
Epidemiological studies have estimated that approximately 35 percent of cancers are potentially avoidable by nutritional modification. These modifications include strategies such as caloric restriction and limitation of specific macro-nutrient groups. However, recent research indicates that what you eat may well be just as important as what you s
Author: Esteban Domingo Publisher: Academic Press ISBN: 0080538231 Category : Medical Languages : en Pages : 511
Book Description
Are infectious diseases caused by novel entities, viruses that have rapidly evolved into more pathogenic forms, or viruses that have crossed species divides and become more virulent in their alternative host? These questions and how new diseases such as AIDS emerged have prompted renewed interest in the ways viruses originated and co-evolved with their hosts.Origin and Evolution of Viruses presents a full and clear description of general viral concepts and specific viral systems, and provides an excellent foundation to our understanding of how viruses emerged.This unique and comprehensive work is essential reading for all researchers in virology, molecular biology and related areas, as well as evolutionary biologists interested in phylogenetic approaches to molecular evolution. The reader is taken on an illumination journey--in time and concepts--from the first primitive replicons to their present-day complex viral counterparts. Apart from the obvious interest, as humans are potential hosts for these viruses, there is also a great deal of academic interest in the evolutionary aspects of this simple group of organisms, since information can be gained about the origin of stains/species and evolutionary patterns that might be applicable to higher species.The book addresses:* Nature and evolution of early replicons* DNA and RNA viruses in both plants and animals* Viral origin, mutation, and survival* Antigenic variation in influenza virus* Interplay between host evolution and DNA virus evolution* Emergence of viral-induced diseases, e.g. hepatitis, influenza and HIV
Author: Frederick De Serres
Author: Frederick De Serres
Author: National Library of Medicine (U.S.)
Author: National Library of Medicine (U.S.)
Author: The Royal Society
Author: Charlotte M. Witmer
Author: A. D. Woodhead
Author: Atif B. Awad
Author: A. J. Cunningham
Author: 
Author: Esteban Domingo