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One Health and Zoonoses

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ISBN: 9783039212958 9783039212965 Year: Pages: 140 DOI: 10.3390/books978-3-03921-296-5 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Public Health
Added to DOAB on : 2019-12-09 16:10:12
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Abstract

The One Health concept recognizes that the health of humans, animals, and their ecosystems are interconnected, and that a coordinated, collaborative, multidisciplinary, and cross-sectoral approach is necessary to fully understand and respond to potential or existing risks that originate at the animal–human–ecosystems interfaces. Thus, the One Health concept represents a holistic vision for addressing some of the complex challenges that threaten human and animal health, food safety, and the environments in which diseases flourish. There are many examples showing how the health of humans is related to the health of animals and the environment. Diseases shared between humans and animals are zoonoses. Some zoonoses have been known for many years, whereas others have emerged suddenly and unexpectedly. Over 70% of all new emerging diseases over the past few decades have been zoonoses that have emerged from wildlife, most often from bats, rodents, or birds. Examples of zoonoses are many and varied, ranging from rabies to bovine tuberculosis, and from Japanese encephalitis to SARS. Clearly, a One Health approach is essential for understanding their ecology, and for outbreak response and the development of control strategies. However, the One Health concept and approach is much broader than zoonoses; it extends to including antimicrobial resistance, food safety, and environmental health and, consequently, impacts on global health security, economic wellbeing, and international trade. It is this breadth of One Health that connects the papers in this Special Issue.

Lipopolysaccharides (LPSs)

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ISBN: 9783039282562 9783039282579 Year: Pages: 390 DOI: 10.3390/books978-3-03928-257-9 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Medicine (General) --- Allergy and Immunology
Added to DOAB on : 2020-04-07 23:07:08
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Abstract

The cytoplasm of Gram-negative bacteria is bound by three layers: an inner membrane, a layer of peptidoglycan, and an outer membrane. The outer membrane is an asymmetric lipidic bilayer, with phospholipids on its inner surface and lipopolysaccharides (LPSs) on the outside, with the latter being the major component of the outer leaflet and covering nearly three-quarters of the total outer cell surface. All LPSs possess the same general chemical architecture independently of bacterial activity (pathogenic, symbiotic, commensal), ecological niche (human, animal, soil, plant, water), or growth conditions. Endotoxins are large amphiphilic molecules consisting of a hydrophilic polysaccharide component and a covalently bound hydrophobic and highly conserved lipid component, termed lipid A (the endotoxin subunit). The polysaccharide component can be divided into two subdomains: the internal and conserved core region as well as the more external and highly variable O-specific chain, also referred to as the O-antigen due to its immunogenic properties. LPSs are endotoxins, one of the most potent class of activators of the mammalian immune system; they can be released from cell surfaces of bacteria during multiplication, lysis, and death. LPS can act through its biological center (lipid A component) on various cell types, of which macrophages and monocytes are the most important.

Keywords

aspirin --- hepcidin --- P65 (nuclear factor-?B) --- IL-6/JAK2/STAT3 pathway --- lipopolysaccharide (LPS) --- nitric oxide (NO) --- iron regulatory protein 1 (IRP1) --- Megalobrama amblycephala --- lipopolysaccharide induced TNF? factor --- lipopolysaccharide stimulation --- innate immune --- Aeromonas --- genomics --- inner core oligosaccharide --- outer core oligosaccharide --- lipopolysaccharide --- lipopolysaccharide --- Erwinia amylovora --- NMR --- ESI FT-ICR --- structural determination --- Bordetellae --- Bordetella holmesii --- endotoxin --- lipid A --- structure --- mass spectrometry --- genomic --- Edwardsiella tarda --- core oligosaccharide --- MALDI-TOF MS --- ESI MSn --- NMR --- genomic --- LPS tolerance --- hypothalamic inflammation --- insulin resistance --- pJNK --- fibroblast --- keratocyte --- cornea --- lipopolysaccharide --- bacteria --- chemokine --- adhesion molecule --- collagen --- tear fluid --- serum resistance --- complement --- Salmonella --- lipopolysaccharide --- sialic acid --- reptile-associated salmonellosis --- sepsis --- time response --- inflammation --- oxidative stress --- endotoxaemia --- mouse --- rat --- lipopolysaccharide --- double-stranded RNA --- epithelial cell --- dendritic cell --- allergic respiratory disorder --- hygiene hypothesis --- rhinovirus --- respiratory syncytial virus --- toll-like receptor --- LPS --- lipopolysaccharide --- heptosyltransferase --- protein dynamics --- glycosyltransferase --- GT-B --- inhibitor design --- lipopolysaccharide --- Coxiella burnetii --- Q fever --- phagosome --- virenose --- Plesiomonas shigelloides --- O-antigen --- lipopolysaccharide --- O-acetylation --- d-galactan I --- HR-MAS --- NMR spectroscopy --- endotoxin --- lipopolysaccharide --- Low Endotoxin Recovery --- phase transitions --- polysorbate --- LPS aggregates --- Small Angle X-ray Scattering --- MAT --- LAL and LER --- anti-conjugate serum --- core oligosaccharide --- lipopolysaccharide --- NMR spectroscopy --- ESI MS --- Proteus penneri

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