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https://www.readbyqxmd.com/read/29334990/performance-evaluation-of-existing-immunoassays-for-clonorchis-sinensis-infection-in-china
#1
Hong-Mei Li, Men-Bao Qian, Yi-Chao Yang, Zhi-Hua Jiang, Kang Wei, Jia-Xu Chen, Jun-Hu Chen, Ying-Dan Chen, Xiao-Nong Zhou
BACKGROUND: Clonorchiasis ranks among the most important food-borne parasitic diseases in China. However, due to low compliance to traditional fecal examination techniques in the general population and medical personnel, immunodiagnosis is expected. This study evaluated, in parallel, the performance of four immunodiagnostic kits detecting clonorchiasis in China. RESULTS: A bank with 475 sera was established in this study. Except for the low performance of the kit detecting IgM, the other three kits detecting IgG showed sensitivities ranging from 81...
January 15, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29332140/identification-of-cross-reactive-antigens-of-c-botulinum-types-a-b-e-f-by-immunoproteomic-approach
#2
Arti Sharma, Sarkaraisamy Ponmariappan, Rani Sarita, Syed Imtiaz Alam, Dev Vrat Kamboj, Sangeeta Shukla
Diseases triggered by microorganisms can be controlled by vaccines, which need neutralizing antigens. Hence, it is very crucial to identify extremely efficient immunogens for immune prevention. Botulism, a fatal neuroparalytic disease, is caused by botulinum neurotoxins produced by the anaerobic, Gram-positive spore-forming bacteria, Clostridium botulinum. Food-borne botulism and iatrogenic botulism are caused by botulinum toxin. Wound botulism, infant botulism, and adult intestinal botulism are caused by primarily C...
January 13, 2018: Current Microbiology
https://www.readbyqxmd.com/read/29323916/influence-of-eugenol-on-the-organization-and-dynamics-of-lipid-membranes-a-phase-dependent-study
#3
Geetanjali Meher, Hirak Chakraborty
Eugenol is known for its antimicrobial effects against microorganisms responsible for infectious diseases in human, food borne pathogens and oral pathogens. In spite of several reports on the antimicrobial function of eugenol by modulating the structural properties of cell membrane there was no direct information on the influence of eugenol in the lipid membrane. In this work, we explored the effect of eugenol on organization and dynamics of large unilamellar vesicles (LUVs) of DMPC using the intrinsic fluorescence of eugenol and an extrinsic hydrophobic probe, DPH, in varying phases...
January 11, 2018: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/29306662/ciguatoxins-activate-the-calcineurin-signalling-pathway-in-yeasts-potential-for-development-of-an-alternative-detection-tool
#4
Hélène Martin-Yken, Camille Gironde, Sylvain Derick, Hélène Taiana Darius, Christophe Furger, Dominique Laurent, Mireille Chinain
Ciguatoxins (CTXs) are lipid-soluble polyether compounds produced by dinoflagellates from the genus Gambierdiscus spp. typically found in tropical and subtropical zones. This endemic area is however rapidly expanding due to environmental perturbations, and both toxic Gambierdiscus spp. and ciguatoxic fishes have been recently identified in the North Atlantic Ocean (Madeira and Canary islands) and Mediterranean Sea. Ciguatoxins bind to Voltage Gated Sodium Channels on the membranes of sensory neurons, causing Ciguatera Fish Poisoning (CFP) in humans, a disease characterized by a complex array of gastrointestinal, neurological, neuropsychological, and cardiovascular symptoms...
January 4, 2018: Environmental Research
https://www.readbyqxmd.com/read/29289818/in-vitro-activity-of-nigella-sativa-against-antibiotic-resistant-salmonella-enterica
#5
Sadia Ashraf, Aftab Ahmad Anjum, Ali Ahmad, Sehrish Firyal, Saba Sana, Asma Abdul Latif
Salmonellosis is a major food-borne disease worldwide and antimicrobial resistance in Salmonella is a public health problem. Phytochemicals are alternative therapeutics to treat antibiotic resistant Salmonella. Biochemically identified Salmonella enterica of human and poultry origin (n = 10) were confirmed by polymerase chain reaction. Susceptibility to antibiotics was determined by Kirby Bauer disc diffusion method. In-vitro anti-salmonella activity of N. sativa essential oil and extracts (aqueous and methanol) was determined against antibiotic resistant isolates by well diffusion and micro broth dilution method...
December 17, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/29278755/molecular-characterization-and-phylogenetic-analysis-of-clostridium-perfringens-from-animals-and-their-environments-by-cpn60-ut-sequencing-analysis
#6
Shreya Das, Saugata Majumder, Chetna Mathur, Joseph Kingston J
Clostridium perfringens an ubiquitous environmental bacterium causes major food borne illnesses, digestive diseases and several soft tissue infections in humans and animals. In the present study, toxin typing of 91 C. perfringens isolates from animals with enteric diseases and their environments revealed the presence of type A and C strains. Enterotoxin gene (cpe), responsible for majority of the food poisoning incidences in humans and enteric infections in animals was present in 60.43% of the isolates of which 61...
December 23, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/29276700/an-updated-view-on-the-rck-invasin-of-salmonella-still-much-to-discover
#7
REVIEW
Julien Mambu, Isabelle Virlogeux-Payant, Sébastien Holbert, Olivier Grépinet, Philippe Velge, Agnès Wiedemann
Salmonella is a facultative intracellular Gram-negative bacterium, responsible for a wide range of food- and water-borne diseases ranging from gastroenteritis to typhoid fever depending on hosts and serotypes. Salmonella thus represents a major threat to public health. A key step in Salmonella pathogenesis is the invasion of phagocytic and non-phagocytic host cells. To trigger its own internalization into non-phagocytic cells, Salmonella has developed different mechanisms, involving several invasion factors...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/29249923/an-exploration-of-socio-economic-and-food-characteristics-of-high-trans-fatty-acid-consumers-in-the-dutch-and-uk-national-surveys-after-voluntary-product-reformulation
#8
H L Rippin, J Hutchinson, M Ocke, J Jewell, J J Breda, J E Cade
Trans fatty acids (TFA) increase the risk of mortality and chronic diseases. TFA intakes have fallen since reformulation, but may still be high in certain, vulnerable, groups. This paper investigates socio-economic and food consumption characteristics of high TFA consumers after voluntary reformulation in the Netherlands and UK. Post-reformulation data of adults aged 19-64 was analysed in two national surveys: the Dutch National Food Consumption Survey (DNFCS) collected 2007-2010 using 2*24hr recalls (N = 1933) and the UK National Diet and Nutrition Survey (NDNS) years 3&4 collected 2010/11 and 2011/12 using 4-day food diaries (N = 848)...
2017: Food & Nutrition Research
https://www.readbyqxmd.com/read/29246181/detection-and-identification-of-antimicrobial-resistant-salmonella-in-raw-beef-at-wolaita-sodo-municipal-abattoir-southern-ethiopia
#9
Wondimu Wabeto, Yishak Abraham, Antehun Alemayehu Anjulo
BACKGROUND: The consumption of multidrug resistant Salmonella isolates along with a raw meat dish is directly relevant to the global public health crisis of antimicrobial resistance. All countries around the globe are suffering from food-borne diseases. In developing countries, more than one billion individuals suffering from gastroenteritis and around five million infected individuals die annually. METHODS: A cross-sectional study was carried out from December 2015 to May 2016 to show the risk of Salmonella associated with consuming traditional raw meat dishes and to characterize the antimicrobial resistance profile at Wolaita Sodo municipal abattoir...
December 16, 2017: Journal of Health, Population, and Nutrition
https://www.readbyqxmd.com/read/29246165/a-veterinary-perspective-on-one-health-in-the-arctic
#10
REVIEW
Christian Sonne, Robert James Letcher, Bjørn Munro Jenssen, Jean-Pierre Desforges, Igor Eulaers, Emilie Andersen-Ranberg, Kim Gustavson, Bjarne Styrishave, Rune Dietz
Exposure to long-range transported industrial chemicals, climate change and diseases is posing a risk to the overall health and populations of Arctic wildlife. Since local communities are relying on the same marine food web as marine mammals in the Arctic, it requires a One Health approach to understand the holistic ecosystem health including that of humans. Here we collect and identify gaps in the current knowledge of health in the Arctic and present the veterinary perspective of One Health and ecosystem dynamics...
December 16, 2017: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/29241399/identifying-the-source-of-food-borne-disease-outbreaks-an-application-of-bayesian-variable-selection
#11
Rianne Jacobs, Emmanuel Lesaffre, Peter Fm Teunis, Michael Höhle, Jan van de Kassteele
Early identification of contaminated food products is crucial in reducing health burdens of food-borne disease outbreaks. Analytic case-control studies are primarily used in this identification stage by comparing exposures in cases and controls using logistic regression. Standard epidemiological analysis practice is not formally defined and the combination of currently applied methods is subject to issues such as response misclassification, missing values, multiple testing problems and small sample estimation problems resulting in biased and possibly misleading results...
January 1, 2017: Statistical Methods in Medical Research
https://www.readbyqxmd.com/read/29237707/buruli-ulcer-a-prototype-for-ecosystem-related-infection-caused-by-mycobacterium-ulcerans
#12
REVIEW
Dezemon Zingue, Amar Bouam, Roger B D Tian, Michel Drancourt
Buruli ulcer is a noncontagious disabling cutaneous and subcutaneous mycobacteriosis reported by 33 countries in Africa, Asia, Oceania, and South America. The causative agent, Mycobacterium ulcerans, derives from Mycobacterium marinum by genomic reduction and acquisition of a plasmid-borne, nonribosomal cytotoxin mycolactone, the major virulence factor. M. ulcerans-specific sequences have been readily detected in aquatic environments in food chains involving small mammals. Skin contamination combined with any type of puncture, including insect bites, is the most plausible route of transmission, and skin temperature of <30°C significantly correlates with the topography of lesions...
January 2018: Clinical Microbiology Reviews
https://www.readbyqxmd.com/read/29229701/cody-mediated-c-di-gmp-dependent-inhibition-of-mammalian-cell-invasion-in-listeria-monocytogenes
#13
Ahmed M Elbakush, Kurt W Miller, Mark Gomelsky
Elevated levels of the second messenger c-di-GMP suppress virulence in diverse pathogenic bacteria, yet mechanisms are poorly characterized. In the food-borne pathogen Listeria monocytogenes, high c-di-GMP levels inhibit mammalian cell invasion. Here, we show that invasion is impaired because of the decreased expression of internalin genes whose products are involved in invasion. We further show that at high c-di-GMP levels, expression of the entire virulence regulon is suppressed and so is expression of the prfA gene encoding the master activator of the virulence regulon...
December 11, 2017: Journal of Bacteriology
https://www.readbyqxmd.com/read/29228986/addressing-vulnerability-building-resilience-community-based-adaptation-to-vector-borne-diseases-in-the-context-of-global-change
#14
REVIEW
Kevin Louis Bardosh, Sadie Ryan, Kris Ebi, Susan Welburn, Burton Singer
BACKGROUND: The threat of a rapidly changing planet - of coupled social, environmental and climatic change - pose new conceptual and practical challenges in responding to vector-borne diseases. These include non-linear and uncertain spatial-temporal change dynamics associated with climate, animals, land, water, food, settlement, conflict, ecology and human socio-cultural, economic and political-institutional systems. To date, research efforts have been dominated by disease modeling, which has provided limited practical advice to policymakers and practitioners in developing policies and programmes on the ground...
December 11, 2017: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/29225255/edwardsiella-tarda-bacteremia-with-psoas-and-epidural-abscess-as-a-food-borne-infection-a-case-report-and-literature-review
#15
Kiyozumi Suzuki, Mitsuru Yanai, Yuta Hayashi, Hiromasa Otsuka, Kimitoshi Kato, Masayoshi Soma
Edwardsiella tarda is commonly isolated from aquatic environments and a variety of animals. We present the first case of E. tarda bacteremia with psoas and epidural abscess. The patient was a 65-year-old woman with recurrent gastric cancer who had frequently consumed raw fish and grilled eel. She was successfully treated with antimicrobials and surgery. We also review reports published in English regarding E. tarda bacteremia in Japan and the experience at our hospital. On the basis of this review, we conclude that the major underlying disease leading to E...
December 8, 2017: Internal Medicine
https://www.readbyqxmd.com/read/29224909/hygiene-hypothesis-in-asthma-development-is-hygiene-to-blame
#16
REVIEW
Erik van Tilburg Bernardes, Marie-Claire Arrieta
Industrialized countries have registered epidemic rates on allergic diseases, such as hay fever, asthma, eczema, and food allergies. The Hygiene Hypothesis was born from work made by Dr. David Strachan, who observed that younger siblings were less susceptible to eczema and asthma, and proposed that this was a result of increased transmission of infectious agents via unhygienic practices within a household. This initial hypothesis was then reframed as the old friends/microbiota hypothesis, implicating non-pathogenic commensal microorganisms as the source of immunomodulatory signals necessary to prevent immune-mediated chronic disorders...
December 7, 2017: Archives of Medical Research
https://www.readbyqxmd.com/read/29221432/sex-and-ethnic-racial-specific-risk-factors-for-gallbladder-disease
#17
Jane C Figueiredo, Christopher Haiman, Jacqueline Porcel, James Buxbaum, Daniel Stram, Neal Tambe, Wendy Cozen, Lynne Wilkens, Loic Le Marchand, Veronica Wendy Setiawan
BACKGROUND: Gallbladder disease (GBD) is a highly prevalent condition; however, little is known about potential differences in risk factors by sex and ethnicity/race. Our aim was to evaluate dietary, reproductive and obesity-related factors and GBD in multiethnic populations. METHODS: We performed a prospective analysis from the Multiethnic Cohort study who self-identified as non-Hispanic White (n = 32,103), African American (n = 30,209), Japanese (n = 35,987), Native Hawaiian (n = 6942) and Latino (n = 39,168)...
December 8, 2017: BMC Gastroenterology
https://www.readbyqxmd.com/read/29219100/food-borne-disease-and-climate-change-in-the-united-kingdom
#18
REVIEW
Iain R Lake
This review examined the likely impact of climate change upon food-borne disease in the UK using Campylobacter and Salmonella as example organisms. Campylobacter is an important food-borne disease and an increasing public health threat. There is a reasonable evidence base that the environment and weather play a role in its transmission to humans. However, uncertainty as to the precise mechanisms through which weather affects disease, make it difficult to assess the likely impact of climate change. There are strong positive associations between Salmonella cases and ambient temperature, and a clear understanding of the mechanisms behind this...
December 5, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/29219091/potential-impact-of-climate-change-on-emerging-vector-borne-and-other-infections-in-the-uk
#19
Matthew Baylis
Climate is one of several causes of disease emergence. Although half or more of infectious diseases are affected by climate it appears to be a relatively infrequent cause of human disease emergence. Climate mostly affects diseases caused by pathogens that spend part of their lifecycle outside of the host, exposed to the environment. The most important routes of transmission of climate sensitive diseases are by arthropod (insect and tick) vectors, in water and in food. Given the sensitivity of many diseases to climate, it is very likely that at least some will respond to future climate change...
December 5, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/29198370/whole-genome-sequencing-analysis-of-salmonella-enterica-serovar-weltevreden-isolated-from-human-stool-and-contaminated-food-samples-collected-from-the-southern-coastal-area-of-china
#20
Baisheng Li, Xingfen Yang, Hailing Tan, Bixia Ke, Dongmei He, Haiyan Wang, Qiuxia Chen, Changwen Ke, Yonghui Zhang
Salmonella enterica serovar Weltevreden is the most common non-typhoid Salmonella found in South and Southeast Asia. It causes zoonoses worldwide through the consumption of contaminated foods and seafood, and is considered as an important food-borne pathogen in China, especially in the Southern coastal area. We compared the whole genomes of 44 S. Weltevreden strains isolated from human stool and contaminated food samples from Southern Coastal China, in order to investigate their phylogenetic relationships and establish their genetic relatedness to known international strains...
October 31, 2017: International Journal of Food Microbiology
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