Toxicological Carcinogenesis

Toxicological Carcinogenesis PDF Author: David B. Clayson
Publisher: CRC Press
ISBN: 9781420032727
Category : Medical
Languages : en
Pages : 212

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Book Description
How do we know if a chemical is carcinogenic? How accurate and relevant to humans are the current assays? With the increasing influx of chemicals in our food and environment, these questions become more critical everyday. Written by an expert with more than fifty years experience in this field, Toxicological Carcinogenesis gives you a balanced and authoritative treatment of the issues. The book provides a summary of the present knowledge of chemicals that induce cancer. The author avoids the overuse of technical jargon and explains scientific concepts clearly and succinctly. He has included an appendix containing bibliographic references, making the text easier to read and keeping the information available as a reference. He covers: How carcinogens are detected in humans using epidemiology, bioassays, and alternative approaches Agents leading to human cancer such as exposure due to occupation, cigarette smoking, and diet and nutrition Carcinogenesis mechanisms The use of legislation to control exposures to noxious agents. Toxicological Carcinogenesis fills a gap in the current literature by providing just enough background information to give a complete general overview of the subject. It explores the emerging debates that related to the potential chemical causes of cancer. In addition to the comprehensive coverage the book provides, it explains the potential problems caused by possible misinformation about chemical carcinogenesis.

Toxicological Carcinogenesis

Toxicological Carcinogenesis PDF Author: David B. Clayson
Publisher: CRC Press
ISBN: 9781420032727
Category : Medical
Languages : en
Pages : 212

Get Book

Book Description
How do we know if a chemical is carcinogenic? How accurate and relevant to humans are the current assays? With the increasing influx of chemicals in our food and environment, these questions become more critical everyday. Written by an expert with more than fifty years experience in this field, Toxicological Carcinogenesis gives you a balanced and authoritative treatment of the issues. The book provides a summary of the present knowledge of chemicals that induce cancer. The author avoids the overuse of technical jargon and explains scientific concepts clearly and succinctly. He has included an appendix containing bibliographic references, making the text easier to read and keeping the information available as a reference. He covers: How carcinogens are detected in humans using epidemiology, bioassays, and alternative approaches Agents leading to human cancer such as exposure due to occupation, cigarette smoking, and diet and nutrition Carcinogenesis mechanisms The use of legislation to control exposures to noxious agents. Toxicological Carcinogenesis fills a gap in the current literature by providing just enough background information to give a complete general overview of the subject. It explores the emerging debates that related to the potential chemical causes of cancer. In addition to the comprehensive coverage the book provides, it explains the potential problems caused by possible misinformation about chemical carcinogenesis.

Chemical Carcinogenesis

Chemical Carcinogenesis PDF Author: Trevor M. Penning
Publisher: Springer Science & Business Media
ISBN: 1617379956
Category : Medical
Languages : en
Pages : 447

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Book Description
This volume will provide a contemporary account of advances in chemical carcinogenesis. It will promote the view that it is chemical alteration of the DNA that is a route cause of many cancers. The multi-stage model of chemical carcinogenesis, exposure to major classes of human carcinogens and their mode-of-action will be a focal point. The balance between metabolic activation to form biological reactive intermediates and their detoxification, ensuing DNA-lesions and their repair will be profiled. It will describe the chemical changes that occur in DNA that result from endogenous insults including epigenetic changes that lead to gene silencing. It will describe major mechanisms of mutagenesis, affects on tumor suppressor genes and proto-oncogenes, and how cell-cycle check points can be by-passed by the "stealth-like" properties of chemical carcinogens. Environmental agents that can promote tumor formation will be discussed. The monograph will have wide appeal as a knowledge base for graduate students, post-doctoral fellows and faculty interested in this aspect of cancer causation and research.

Toxicological Carcinogenesis

Toxicological Carcinogenesis PDF Author: David Barringer Clayson
Publisher:
ISBN: 9780367801380
Category : MEDICAL
Languages : en
Pages : 208

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Book Description
How do we know if a chemical is carcinogenic? How accurate and relevant to humans are the current assays? With the increasing influx of chemicals in our food and environment, these questions become more critical everyday. Written by an expert with more than fifty years experience in this field, Toxicological Carcinogenesis gives you a balanced and authoritative treatment of the issues.The book provides a summary of the present knowledge of chemicals that induce cancer. The author avoids the overuse of technical jargon and explains scientific concepts clearly and succinctly. He has included an appendix containing bibliographic references, making the text easier to read and keeping the information available as a reference. He covers: How carcinogens are detected in humans using epidemiology, bioassays, and alternative approaches Agents leading to human cancer such as exposure due to occupation, cigarette smoking, and diet and nutritionCarcinogenesis mechanismsThe use of legislation to control exposures to noxious agents.Toxicological Carcinogenesis fills a gap in the current literature by providing just enough background information to give a complete general overview of the subject. It explores the emerging debates that related to the potential chemical causes of cancer. In addition to the comprehensive coverage the book provides, it explains the potential problems caused by possible misinformation about chemical carcinogenesis.

Carcinogens and Anticarcinogens in the Human Diet

Carcinogens and Anticarcinogens in the Human Diet PDF Author: National Research Council
Publisher: National Academies Press
ISBN: 0309175712
Category : Nature
Languages : en
Pages : 433

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Book Description
Despite increasing knowledge of human nutrition, the dietary contribution to cancer remains a troubling question. Carcinogens and Anticarcinogens assembles the best available information on the magnitude of potential cancer riskâ€"and potential anticarcinogenic effectâ€"from naturally occurring chemicals compared with risk from synthetic chemical constituents. The committee draws important conclusions about diet and cancer, including the carcinogenic role of excess calories and fat, the anticarcinogenic benefit of fiber and other substances, and the impact of food additive regulation. The book offers recommendations for epidemiological and diet research. Carcinogens and Anticarcinogens provides a readable overview of issues and addresses critical questions: Does diet contribute to an appreciable proportion of human cancer? Are there significant interactions between carcinogens and anticarcinogens in the diet? The volume discusses the mechanisms of carcinogenic and anticarcinogenic properties and considers whether techniques used to evaluate the carcinogenic potential of synthetics can be used with naturally occurring chemicals. The committee provides criteria for prioritizing the vast number of substances that need to be tested. Carcinogens and Anticarcinogens clarifies the issues and sets the direction for further investigations into diet and cancer. This volume will be of interest to anyone involved in food and health issues: policymakers, regulators, researchers, nutrition professionals, and health advocates.

Mechanisms of Carcinogenesis

Mechanisms of Carcinogenesis PDF Author: Elizabeth K. Weisburger
Publisher: Springer Science & Business Media
ISBN: 9400925263
Category : Medical
Languages : en
Pages : 210

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Book Description
but also the possibility of intervention in specific stages. In Human behavior, including stress and other factors, plays an important role in neoplasia, although too little is known addition, variables which affect cancer development as well on the reasons for such development. Carcinogens, which as some endogenous factors can be better delineated help initiate the neoplastic process, may be either synthetic through such investigations. The topics of this volume encompass premalignant non or naturally-occurring. Cancer causation may be ascribed to invasive lesions, species-specific aspects of carcinogenicity, certain chemicals, physical agents, radioactive materials, viruses, parasites, the genetic make-up of the organism, and radiation, viruses, a quantum theory of carinogenesis, onco bacteria. Humans, eumetazoan animals and vascular plants genes, and selected environmental carcinogens. are susceptible to the first six groups of cancer causes, whe reas the last group, bacteria, seems to affect only vascular plants. Neoplastic development may begin with impairment ofJmdy defenses by a toxic material (carcinogen) which acts as an initiator, followed by promotion and progression to an overt neoplastic state. Investigation of these processes Series Editor Volume Editor allows not only a better insight into the mechanism of action Hans E. Kaiser Elizabeth K. Weisburger vii ACKNOWLEDGEMENT Inspiration and encouragement for this wide ranging project on cancer distribution and dissemination from a comparative biological and clinical point of view, was given by my late friend E. H. Krokowski.

How Tobacco Smoke Causes Disease

How Tobacco Smoke Causes Disease PDF Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 728

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Book Description
This report considers the biological and behavioral mechanisms that may underlie the pathogenicity of tobacco smoke. Many Surgeon General's reports have considered research findings on mechanisms in assessing the biological plausibility of associations observed in epidemiologic studies. Mechanisms of disease are important because they may provide plausibility, which is one of the guideline criteria for assessing evidence on causation. This report specifically reviews the evidence on the potential mechanisms by which smoking causes diseases and considers whether a mechanism is likely to be operative in the production of human disease by tobacco smoke. This evidence is relevant to understanding how smoking causes disease, to identifying those who may be particularly susceptible, and to assessing the potential risks of tobacco products.

Drinking Water and Health,

Drinking Water and Health, PDF Author: National Research Council
Publisher: National Academies Press
ISBN: 0309036879
Category : Nature
Languages : en
Pages : 476

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Book Description
The most recent volume in the Drinking Water and Health series contains the results of a two-part study on the toxicity of drinking water contaminants. The first part examines current practices in risk assessment, identifies new noncancerous toxic responses to chemicals found in drinking water, and discusses the use of pharmacokinetic data to estimate the delivered dose and response. The second part of the book provides risk assessments for 14 specific compounds, 9 presented here for the first time.

Carcinogenesis

Carcinogenesis PDF Author: Michael P Waalkes
Publisher: CRC Press
ISBN: 1439805490
Category : Medical
Languages : en
Pages : 478

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Book Description
Carcinogens, like chemicals with other toxic hazards, often produce adverse effects only in specific organs or tissues. The factors determining whether a chemical induces cancer in an organ range from simple toxicokinetics to complex phenomena such as expression or lack of expression of specific genes.; This volume examines the site-specific factor

Thresholds of Genotoxic Carcinogens

Thresholds of Genotoxic Carcinogens PDF Author: Takehiko Nohmi
Publisher: Academic Press
ISBN: 0128018038
Category : Medical
Languages : en
Pages : 224

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Book Description
Thresholds of Genotoxic Carcinogens: From Mechanisms to Regulation brings together current opinion and research activities from Japan, the US, and Europe on the subject of genotoxic thresholds. In regulation, it is an adage that genotoxic carcinogens have no thresholds for action, and that they impose cancer risk on humans even at very low levels. This policy is frequently called into question as humans possess a number of defense mechanisms including detoxication, DNA repair, and apoptosis, meaning there is a threshold at which these genotoxic carcinogens take action. The book examines these potential thresholds, describing the potential cancer risks of daily low-level exposure, the mechanisms involved (such as DNA repair, detoxication, translesion DNA synthesis), chemical and statistical methods of analysis, and the ways in which these may be utilized to inform policy. Thresholds of Genotoxic Carcinogens: From Mechanisms to Regulation is an essential reference for any professional researchers in genetic toxicology and those involved in toxicological regulation. Unites an international team of experts to provide a balanced overview of the current opinion on thresholds of genotoxic carcinogens Provides all the information readers need to determine a safe threshold for potential genotoxic carcinogens Includes information on the mechanisms of genotoxic carcinogens and how these can inform regulation Serves as an essential reference for any professional researchers in genetic toxicology and those involved in toxicological regulation

Xenobiotics in Chemical Carcinogenesis

Xenobiotics in Chemical Carcinogenesis PDF Author: Akhileshwar Kumar Srivastava
Publisher: Academic Press
ISBN: 0323906818
Category : Science
Languages : en
Pages : 328

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Book Description
Xenobiotics in Chemical Carcinogenesis: Translational Aspects in Toxicology covers the translational toxicology of xenobiotics substances in carcinogenesis by explaining the toxicokinetic and toxicodynamic, toxicogenomic, biotransformation, and resistance mechanisms in the human body. The book begins with a historical review and link to future prospects for chemical carcinogenesis. It discusses major environmental xenobiotics and their risks in inducing cancer, along with content on toxic xenobiotics and their routes of exposure in humans, the role of xenobiotic metabolism in carcinogenesis, and the toxicokinetic and toxicodynamic of xenobiotics in cancer development. Lastly, the book explores current achievements such as using toxicogenomics for predicting the carcinogenicity of xenobiotic substances and the challenges posed by carcinogenic xenobiotic substances when examining preventive methods, diagnosis, and the development of anticancer drugs for specific toxicants. Covers the exposure and transmission of various toxic xenobiotics substances, including nanomaterials, to humans and their interaction with specific tissues in precipitating the development of cancers Unravels the toxicokinetic and toxicodynamic processes of toxic xenobiotics in bioaccumulation Examines the genetic aberrations in cancer genomes by genetic-environmental interactions in carcinogenesis Explains the biotransformation mechanisms of toxic xenobiotics by gut microbes in humans