Download or read book Impact of Early Life Ozone and LPS Exposure on Long Term Programming of Innate Immunity written by Kinjal Maniar Hew and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: It is well documented that the respiratory system of young children, particularly within the first year of life, is highly sensitive to environmental stimuli. During infancy, postnatal growth and differentiation of pulmonary epithelium occurs in parallel with maturation of the innate and adaptive arms of the immune system. Epidemiologic data support a link between early life air pollution and microbial exposures and increased lung infection susceptibility and enhanced disease severity in children. But the mechanisms behind this increased susceptibility during early life remain poorly defined. The focus of this dissertation research is to characterize the development of innate immune responses during early life using a non-human primate model. We hypothesize that exposures to common environmental challenges such as ozone and endotoxin during infancy can result in sustained modulation of innate immune responses to pathogens, both systemically and locally within the lung. Work outlined in Chapter 2 shows that postnatal ozone exposure of the airways results in persistent attenuation of innate immune responses to a microbial challenge. Our data clearly show that the immunosuppressive effects of ozone exposure are not limited to cells within the lung. Instead, the ability of cells within the peripheral blood compartment to respond to LPS challenge is also negatively affected. Another unexpected finding in this study is that the effects of postnatal ozone exposure on the LPS-induced cytokine response is maintained within the peripheral blood compartment for at least 6 months after the exposure period. This suggests that early life environmental exposures result in the generation of a "memory" response that imprints future immune responses to a microbial challenge. Studies described in Chapter 3 further confirm the generation of this "memory" response following endotoxin (LPS) challenge. The results highlight the important role of the airway epithelium in initiating the immune response to a microbial challenge. Age had a significant impact on the ability of airway epithelium to generate a robust inflammatory response to microbial challenge. Infant airway epithelium was hypo-responsive, juvenile airway epithelium responded with a robust IL-6 protein response and adult airway epithelium responded with a strong IL-8 protein response. To further understand the potential mechanisms responsible for infant airway epithelium hyporesponsiveness, we investigated the role of innate immune signaling through toll like receptors in the airway epithelium. The results indicate that toll-like receptor signaling pathway-induced gene expression changes in the airway epithelium are age dependent. The study revealed that multiple genes in the toll-like receptor signaling pathway show differential expression in infant airway epithelium compared to adult airway epithelium. Studies described in Chapter 4 confirm the importance of understanding the effects of early life ozone and endotoxin exposures on pulmonary immunity. Our data show that epithelial cells isolated from postnatal ozone-exposed animals maintain a persistently modulated protein expression pattern for IL-6 and IL-8. This study provides additional support for the notion that airway epithelium is capable of developing "memory" following ozone exposure, such that prior exposures impact the magnitude and duration of cytokine responses to a subsequent microbial challenge. Importantly, we have been able to delineate the differential effects of ozone and endotoxin exposure on regulation of cytokine expression by epithelial cells. Collectively, these data clearly indicate the differential effects of early life ozone and endotoxin exposure and their influence on innate immune responses. More importantly, these findings provide clear evidence that the molecular pathways that respond to ozone and endotoxin exposure retain memory, such that cells within the lung and peripheral blood compartments no longer yield a robust inflammatory response to a future microbial challenge.
Download or read book Middleton s Allergy E Book written by A Wesley Burks and published by Elsevier Health Sciences. This book was released on 2019-09-25 with total page 1840 pages. Available in PDF, EPUB and Kindle. Book excerpt: Through eight outstanding editions, Middleton’s Allergy: Principles and Practice has been the reference of choice for both clinicians and researchers as both a practical reference and an effective self-assessment tool for board preparation. The 9th Edition continues the tradition of excellence with comprehensive coverage of all basic science and clinical applications regarding allergy practice and disease mechanisms. It brings you fully up to date with recent innovations in the diagnosis, prevention, and management of allergic disorders, including emerging global issues, the advent of precision medicine, and new immunologic therapies. Offers unparalleled depth and up-to-date guidance on the full spectrum of allergy across the lifespan, with significant updates throughout. Contains new chapters on Innate Lymphoid Cells, Systems Biology, and Treatment of Primary Immunodeficiency Diseases. Discusses emerging topics such as epidemic thunderstorm asthma and precision medicine in allergic disorders. Features more than 730 full-color illustrations, including many new cellular and molecular drawings of disease mechanisms. Includes new Summary of Important Concepts boxes, plus new multiple-choice questions online with explanations and answers. Features a new team of expert editors and more international contributors for a global perspective of this complex field.
Download or read book How Tobacco Smoke Causes Disease written by United States. Public Health Service. Office of the Surgeon General and published by . This book was released on 2010 with total page 728 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Download or read book The Health Consequences of Involuntary Exposure to Tobacco Smoke written by and published by . This book was released on 2006 with total page 736 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Surgeon General's report returns to the topic of the health effects of involuntary exposure to tobacco smoke. The last comprehensive review of this evidence by the Department of Health and Human Services (DHHS) was in the 1986 Surgeon General's report, The Health Consequences of Involuntary Smoking, published 20 years ago this year. This new report updates the evidence of the harmful effects of involuntary exposure to tobacco smoke. This large body of research findings is captured in an accompanying dynamic database that profiles key epidemiologic findings, and allows the evidence on health effects of exposure to tobacco smoke to be synthesized and updated (following the format of the 2004 report, The Health Consequences of Smoking). The database enables users to explore the data and studies supporting the conclusions in the report. The database is available on the Web site of the Centers for Disease Control and Prevention (CDC) at http://www.cdc.gov/tobacco.
Download or read book Immunoregulation written by Nicola Fabris and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 473 pages. Available in PDF, EPUB and Kindle. Book excerpt: Immunoregulation is one of the areas which has witnessed the most explosive advances of immunology during the past decade. It is in this area that the current view of the immune system has arisen and developed. There is indeed little doubt that immune reactions are primarily determined by messages which are genera ted within the immune system and passed among different types of immunologie cells. This cell communication not only determines the type, intensity and duration of the response after perturbation of the immune system by exogenous antigens, but it is also essential for preventing autoimmune reactions and their clinical conse quences. In order to assure aperfect balance within the enormous com plexity of the immune system, it is not surprising that multiple self-regulatory mechanisms are organized at different levels, such as antibody feedback, idiotypic-anti-idiotypic responses, suppres sor and helper T cells, lymphokine signals and genetic require ments. A nu mb er of observations in recent years have, however, demonstrated that consistent contributions to the immunological homeostasis are given also by signals generated outside of the immune system, namely,in the central and autonomous nervous system as weIl as in the endocrine apparatus. Furthermore, the interactions between the immune system and the other body homestatic mechanisms seem to be bidirectional: if immunological cells may be targets of neuroendocrinological factors, immunological products seem in turn to contribute to the neuro endocrine homeostasis.
Download or read book Guide for the Care and Use of Laboratory Animals written by National Research Council and published by National Academies Press. This book was released on 2011-01-27 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: A respected resource for decades, the Guide for the Care and Use of Laboratory Animals has been updated by a committee of experts, taking into consideration input from the scientific and laboratory animal communities and the public at large. The Guide incorporates new scientific information on common laboratory animals, including aquatic species, and includes extensive references. It is organized around major components of animal use: Key concepts of animal care and use. The Guide sets the framework for the humane care and use of laboratory animals. Animal care and use program. The Guide discusses the concept of a broad Program of Animal Care and Use, including roles and responsibilities of the Institutional Official, Attending Veterinarian and the Institutional Animal Care and Use Committee. Animal environment, husbandry, and management. A chapter on this topic is now divided into sections on terrestrial and aquatic animals and provides recommendations for housing and environment, husbandry, behavioral and population management, and more. Veterinary care. The Guide discusses veterinary care and the responsibilities of the Attending Veterinarian. It includes recommendations on animal procurement and transportation, preventive medicine (including animal biosecurity), and clinical care and management. The Guide addresses distress and pain recognition and relief, and issues surrounding euthanasia. Physical plant. The Guide identifies design issues, providing construction guidelines for functional areas; considerations such as drainage, vibration and noise control, and environmental monitoring; and specialized facilities for animal housing and research needs. The Guide for the Care and Use of Laboratory Animals provides a framework for the judgments required in the management of animal facilities. This updated and expanded resource of proven value will be important to scientists and researchers, veterinarians, animal care personnel, facilities managers, institutional administrators, policy makers involved in research issues, and animal welfare advocates.
Download or read book Damp Indoor Spaces and Health written by Institute of Medicine and published by National Academies Press. This book was released on 2004-10-01 with total page 369 pages. Available in PDF, EPUB and Kindle. Book excerpt: Almost all homes, apartments, and commercial buildings will experience leaks, flooding, or other forms of excessive indoor dampness at some point. Not only is excessive dampness a health problem by itself, it also contributes to several other potentially problematic types of situations. Molds and other microbial agents favor damp indoor environments, and excess moisture may initiate the release of chemical emissions from damaged building materials and furnishings. This new book from the Institute of Medicine examines the health impact of exposures resulting from damp indoor environments and offers recommendations for public health interventions. Damp Indoor Spaces and Health covers a broad range of topics. The book not only examines the relationship between damp or moldy indoor environments and adverse health outcomes but also discusses how and where buildings get wet, how dampness influences microbial growth and chemical emissions, ways to prevent and remediate dampness, and elements of a public health response to the issues. A comprehensive literature review finds sufficient evidence of an association between damp indoor environments and some upper respiratory tract symptoms, coughing, wheezing, and asthma symptoms in sensitized persons. This important book will be of interest to a wide-ranging audience of science, health, engineering, and building professionals, government officials, and members of the public.
Download or read book EPA Publications Bibliography written by United States. Environmental Protection Agency and published by . This book was released on 1991 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Chemical Abstracts written by and published by . This book was released on 2002 with total page 2710 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Indoor Pollutants written by National Research Council and published by National Academies Press. This book was released on 1981-01-01 with total page 553 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discusses pollution from tobacco smoke, radon and radon progeny, asbestos and other fibers, formaldehyde, indoor combustion, aeropathogens and allergens, consumer products, moisture, microwave radiation, ultraviolet radiation, odors, radioactivity, and dirt and discusses means of controlling or eliminating them.
Download or read book Tumor Microenvironment written by Alexander Birbrair and published by Springer Nature. This book was released on 2020-02-10 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: Revealing essential roles of the tumor microenvironment in cancer progression, this volume focuses on non-hematopoietic cells within the tumor microenvironment.Further, it teaches readers about the roles of distinct constituents of the tumor microenvironment and how they affect cancer development. Topics include fibroblasts, adipocytes, mesenchymal stem cells, stellate cells, and more. Taken alongside its companion volumes, Tumor Microenvironment: Non-Hematopoietic Cells updates us on what we know about the different aspects of the tumor microenvironment as well as future directions. Useful for introducing the newer generation of researchers to the history of how scientists focused in the tumor microenvironment and how this knowledge is currently applied for cancer treatments, it will be essential reading for advanced cell biology and cancer biology students as well as researchers seeking an update on research in the tumor microenvironment. All of the chapter authors are renowned international experts in the cancer biology field in specific subfields that will be the focus of their chapters.
Download or read book Toxicological Profile for Polycyclic Aromatic Hydrocarbons written by and published by . This book was released on 1995 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book EPA Publications Bibliography Quarterly Abstract Bulletin written by United States. Environmental Protection Agency and published by . This book was released on 1991-04 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Traffic Related Air Pollution written by Haneen Khreis and published by Elsevier. This book was released on 2020-08-20 with total page 650 pages. Available in PDF, EPUB and Kindle. Book excerpt: Traffic-Related Air Pollution synthesizes and maps TRAP and its impact on human health at the individual and population level. The book analyzes mitigating standards and regulations with a focus on cities. It provides the methods and tools for assessing and quantifying the associated road traffic emissions, air pollution, exposure and population-based health impacts, while also illuminating the mechanisms underlying health impacts through clinical and toxicological research. Real-world implications are set alongside policy options, emerging technologies and best practices. Finally, the book recommends ways to influence discourse and policy to better account for the health impacts of TRAP and its societal costs. Overviews existing and emerging tools to assess TRAP’s public health impacts Examines TRAP’s health effects at the population level Explores the latest technologies and policies--alongside their potential effectiveness and adverse consequences--for mitigating TRAP Guides on how methods and tools can leverage teaching, practice and policymaking to ameliorate TRAP and its effects
Download or read book Severe Asthma written by Kian Fan Chung and published by European Respiratory Society. This book was released on 2019-06-01 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: Severe asthma is a form of asthma that responds poorly to currently available medication, and its patients represent those with greatest unmet needs. In the last 10 years, substantial progress has been made in terms of understanding some of the mechanisms that drive severe asthma; there have also been concomitant advances in the recognition of specific molecular phenotypes. This ERS Monograph covers all aspects of severe asthma – epidemiology, diagnosis, mechanisms, treatment and management – but has a particular focus on recent understanding of mechanistic heterogeneity based on an analytic approach using various ‘omics platforms applied to clinically well-defined asthma cohorts. How these advances have led to improved management targets is also emphasised. This book brings together the clinical and scientific expertise of those from around the world who are collaborating to solve the problem of severe asthma.
Download or read book OZONE written by Velio Bocci and published by Springer Science & Business Media. This book was released on 2010-10-05 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: Oxygen-Ozone therapy is a complementary approach less known than homeopathy and acupuncture because it has come of age only three decades ago. This book clarifies that, in the often nebulous field of natural medicine, the biological bases of ozone therapy are totally in line with classical biochemistry, physiological and pharmacological knowledge. Ozone is an oxidizing molecule, a sort of super active oxygen, which, by reacting with blood components generates a number of chemical messengers responsible for activating crucial biological functions such as oxygen delivery, immune activation, release of hormones and induction of antioxidant enzymes, which is an exceptional property for correcting the chronic oxidative stress present in atherosclerosis, diabetes and cancer. Moreover, by inducing nitric oxide synthase, ozone therapy may mobilize endogenous stem cells, which will promote regeneration of ischemic tissues. The description of these phenomena offers the first comprehensive picture for understanding how ozone works and why. When properly used as a real drug within therapeutic range, ozone therapy does not only does not procure adverse effects but yields a feeling of wellness. Half the book describes the value of ozone treatment in several diseases, particularly cutanious infection and vascular diseases where ozone really behaves as a “wonder drug”. The book has been written for clinical researchers, physicians and ozone therapists, but also for the layman or the patient interested in this therapy.
Download or read book Global Climate Change Impacts in the United States written by U.S. Global Change Research Program and published by Cambridge University Press. This book was released on 2009-08-24 with total page 193 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summarizes the science of climate change and impacts on the United States, for the public and policymakers.
