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Campylobacter gastroenteritis

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https://www.readbyqxmd.com/read/28054368/acid-suppression-medications-and-bacterial-gastroenteritis-a-population-based-cohort-study
#1
Li Wei, Lasantha Ratnayake, Gabby Phillips, Chris C McGuigan, Steve V Morant, Robert W Flynn, Isla S Mackenzie, Thomas M MacDonald
AIMS: To investigate whether acid suppression medicines (ASMs) increase the risk of bacterial gastroenteritis. METHODS: A population-based, propensity-score matched cohort study using a record-linkage database in Tayside, Scotland. The study consisted of 188,323 exposed to ASMs [proton pump inhibitors (PPIs) and H2 receptor antagonists (H2RA)] and 376,646 controls (a propensity-score matched cohort from the rest of population who were not exposed to ASMs) between 1999 and 2013...
January 5, 2017: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28045552/factors-influencing-knowledge-food-safety-practices-and-food-preferences-during-warm-weather-of-salmonella-and-campylobacter-cases-in-south-australia
#2
Adriana Milazzo, Lynne C Giles, Ying Zhang, Ann P Koehler, Janet E Hiller, Peng Bi
OBJECTIVE: To assess food safety practices, food shopping preferences, and eating behaviors of people diagnosed with Salmonella or Campylobacter infection in the warm seasons, and to identify socioeconomic factors associated with behavior and practices. METHODS: A cross-sectional survey was conducted among Salmonella and Campylobacter cases with onset of illness from January 1 to March 31, 2013. Multivariable logistic regression analyses examined relationships between socioeconomic position and food safety knowledge and practices, shopping and food preferences, and preferences, perceptions, and knowledge about food safety information on warm days...
January 3, 2017: Foodborne Pathogens and Disease
https://www.readbyqxmd.com/read/28028852/structural-investigation-on-wlarg-from-campylobacter-jejuni-a-sugar-aminotransferase
#3
Garrett T Dow, Michel Gilbert, James B Thoden, Hazel M Holden
Campylobacter jejuni is a Gram-negative bacterium that represents a leading cause of human gastroenteritis worldwide. Of particular concern is the link between C. jejuni infections and the subsequent development of Guillain-Barré syndrome, an acquired autoimmune disorder leading to paralysis. All Gram-negative bacteria contain complex glycoconjugates anchored to their outer membranes, but in most strains of C. jejuni, this lipoglycan lacks the O-antigen repeating units. Recent mass spectrometry analyses indicate that the C...
December 28, 2016: Protein Science: a Publication of the Protein Society
https://www.readbyqxmd.com/read/28007052/rotavirus-is-frequent-among-adults-hospitalised-for-acute-gastroenteritis
#4
Karen Rokkedal Lausch, Lena Westh, Lena Hagelskjær Kristensen, Jens Lindberg, Britta Tarp, Carsten Schade Larsen
INTRODUCTION: Rotavirus infection is the most common aetiology of acute gastroenteritis (AGE) among young children. In adults, diagnostics focus mainly on bacterial causes, though recent studies suggest that rotavirus is a frequent agent. The aim of this study was to examine the proportion of rotavirus in adults hospitalised with AGE and to identify possible predictors. METHODS: During a 24-month period from 1 May 2010 adults (> 15 years) with AGE admitted to one of four hospitals in the Central Denmark Region were examined for rotavirus with VIKIA Rota-Adeno rapid test in addition to routine culture for bacterial pathogens...
January 2017: Danish Medical Journal
https://www.readbyqxmd.com/read/27965649/the-12-gastrointestinal-pathogens-spectrum-of-acute-infectious-diarrhea-in-a-sentinel-hospital-shenzhen-china
#5
Hongwei Shen, Jinjin Zhang, Yinghui Li, Sirou Xie, Yixiang Jiang, Yanjie Wu, Yuhui Ye, Hong Yang, Haolian Mo, Chaoman Situ, Qinghua Hu
Acute infectious gastroenteritis is one of the most common diseases among all ages, particularly in developing countries. The pathogen spectrum may differ among different regions and seasons. To investigate the etiology of acute diarrhea in Shenzhen, a prospective study was conducted from August 2014 to September 2015. Stools from 412 patients with diarrhea (286 of whom were adults) including the general epidemiological information of the patients were collected. The 19 pathogens were detected by conventional culture method or multiplex PCR assay, which included five viruses (rotavirus, adenovirus, sapovirus, norovirus, and astrovirus), 11 bacterial pathogens (Salmonella, Campylobacter jejuni, Shigella, Listeria monocytogenes, Vibrio parahaemolyticus, Vibrio cholera, Enterohemorrhagic (EHEC), enteropathogenic (EPEC), enteroinvasive (EIEC), enterotoxigenic (ETEC); and enteroaggregative Escherichia coli (EAEC)) and three parasites (Entamoeba histolytica, Giardia lamblia, and Cryptosporidium parvum)...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27965105/factors-associated-with-sequelae-of-campylobacter-and-non-typhoidal-salmonella-infections-a-systematic-review
#6
Oluwaseun B Esan, Madison Pearce, Oliver van Hecke, Nia Roberts, Dylan R J Collins, Mara Violato, Noel McCarthy, Rafael Perera, Thomas R Fanshawe
Despite the significant global burden of gastroenteritis and resulting sequelae, there is limited evidence on risk factors for sequelae development. We updated and extended previous systematic reviews by assessing the role of antibiotics, proton pump inhibitors (PPI) and symptom severity in the development of sequelae following campylobacteriosis and salmonellosis. We searched four databases, including PubMed, from 1 January 2011 to 29 April 2016. Observational studies reporting sequelae of reactive arthritis (ReA), Reiter's syndrome (RS), irritable bowel syndrome (IBS) and Guillain-Barré syndrome (GBS) following gastroenteritis were included...
February 2017: EBioMedicine
https://www.readbyqxmd.com/read/27957599/evaluation-of-the-biofire-filmarray%C3%A2-gastrointestinalpanel-in-a-midwestern-academic-hospital
#7
C N Murphy, R C Fowler, P C Iwen, P D Fey
The BioFire FilmArray® Gastrointestinal Panel (GIP) was implemented to replace traditional stool culture and enzyme immunoassay (EIA) testing for stool pathogens. The purpose of this study was to evaluate the detection rate, incidence of coinfection, and culture recovery rate of gastrointestinal (GI) pathogens detected by the GIP over a 1-year period. A total of 2257 stools collected from January to December 2015 were tested using the GIP. Clostridium difficile colonization was also evaluated by an antigen/toxin EIA and confirmatory polymerase chain reaction (PCR)...
December 12, 2016: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/27939129/guillain-barr%C3%A3-syndrome-is-induced-in-non-obese-diabetic-nod-mice-following-campylobacter-jejuni-infection-and-is-exacerbated-by-antibiotics
#8
J L St Charles, J A Bell, B J Gadsden, A Malik, H Cooke, L K Van de Grift, H Y Kim, E J Smith, L S Mansfield
Campylobacter jejuni is a leading cause of bacterial gastroenteritis linked to several serious autoimmune sequelae such as the peripheral neuropathies Guillain Barré syndrome (GBS) and Miller Fisher syndrome (MFS). We hypothesized that GBS and MFS can result in NOD wild type (WT) mice or their congenic interleukin (IL)-10 or B7-2 knockouts secondary to C. jejuni infection. Mice were gavaged orally with C. jejuni strains HB93-13 and 260.94 from patients with GBS or CF93-6 from a patient with MFS and assessed for clinical neurological signs and phenotypes, anti-ganglioside antibodies, and cellular infiltrates and lesions in gut and peripheral nerve tissues...
December 8, 2016: Journal of Autoimmunity
https://www.readbyqxmd.com/read/27938447/the-campylobacteriosis-conundrum-examining-the-incidence-of-infection-with-campylobacter-sp-in-australia-1998-2013
#9
C R M Moffatt, K Glass, R Stafford, C D'Este, M D Kirk
Campylobacter sp. are a globally significant cause of gastroenteritis. Although rates of infection in Australia are among the highest in the industrialized world, studies describing campylobacteriosis incidence in Australia are lacking. Using national disease notification data between 1998 and 2013 we examined Campylobacter infections by gender, age group, season and state and territory. Negative binomial regression was used to estimate incidence rate ratios (IRRs), including trends by age group over time, with post-estimation commands used to obtain adjusted incidence rates...
December 12, 2016: Epidemiology and Infection
https://www.readbyqxmd.com/read/27935836/the-pas-domain-containing-protein-heur-regulates-heme-uptake-in-campylobacter-jejuni
#10
Jeremiah G Johnson, Jennifer A Gaddy, Victor J DiRita
Campylobacter jejuni is a leading cause of bacterially derived gastroenteritis. A previous mutant screen demonstrated that the heme uptake system (Chu) is required for full colonization of the chicken gastrointestinal tract. Subsequent work identified a PAS domain-containing regulator, termed HeuR, as being required for chicken colonization. Here we confirm that both the heme uptake system and HeuR are required for full chicken gastrointestinal tract colonization, with the heuR mutant being particularly affected during competition with wild-type C...
November 15, 2016: MBio
https://www.readbyqxmd.com/read/27910936/genome-analysis-of-campylobacter-concisus-strains-from-patients-with-inflammatory-bowel-disease-and-gastroenteritis-provides-new-insights-into-pathogenicity
#11
Heung Kit Leslie Chung, Alfred Tay, Sophie Octavia, Jieqiong Chen, Fang Liu, Rena Ma, Ruiting Lan, Stephen M Riordan, Michael C Grimm, Li Zhang
Campylobacter concisus is an oral bacterium that is associated with inflammatory bowel disease. C. concisus has two major genomospecies, which appear to have different enteric pathogenic potential. Currently, no studies have compared the genomes of C. concisus strains from different genomospecies. In this study, a comparative genome analysis of 36 C. concisus strains was conducted including 27 C. concisus strains sequenced in this study and nine publically available C. concisus genomes. The C. concisus core-genome was defined and genomospecies-specific genes were identified...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27903324/epidemiological-and-serological-investigation-of-a-waterborne-campylobacter-jejuni-outbreak-in-a-danish-town
#12
K Gaardbo Kuhn, G Falkenhorst, H-D Emborg, T Ceper, M Torpdahl, K A Krogfelt, S Ethelberg, K Mølbak
Following an unusually heavy rainfall in June 2009, a community-wide outbreak of Campylobacter gastroenteritis occurred in a small Danish town. The outbreak investigation consisted of (1) a cohort study using an e-questionnaire of disease determinants, (2) microbiological study of stool samples, (3) serological study of blood samples from cases and asymptomatic members of case households, and (4) environmental analyses of the water distribution system. The questionnaire study identified 163 cases (respondent attack rate 16%)...
December 1, 2016: Epidemiology and Infection
https://www.readbyqxmd.com/read/27900889/campylobacter-jejuni-strains-coresistant-to-tetracycline-and-ciprofloxacin-in-patients-with-gastroenteritis-in-croatia
#13
Merica Carev, Ana Kovačić, Anita Novak, Marija Tonkić, Ana Jerončić
BACKGROUND: Antibiotic-resistant Campylobacter jejuni strains are rapidly emerging worldwide. Here, we aimed to determine the antibiotic-resistance patterns and genetic structure of C. jejuni from stool samples of symptomatic patients in Dalmatia, the largest Croatian county. METHODS: In a population-based laboratory surveillance programme for campylobacteriosis in Dalmatia from May 2012 to May 2013, C. jejuni (n = 76) were collected from stool samples of all the patients hospitalized with gastroenteritis and matched positive outpatients (n = 77)...
November 30, 2016: Infectious Diseases
https://www.readbyqxmd.com/read/27899145/bibliometric-analysis-of-publications-on-campylobacter-2000-2015
#14
Waleed M Sweileh, Samah W Al-Jabi, Ansam F Sawalha, Adham S AbuTaha, Sa'ed H Zyoud
BACKGROUND: Campylobacter species are widespread zoonotic pathogens. Campylobacter jejuni causes a form of gastroenteritis called campylobacteriosis. Campylobacter drug resistance is considered a serious threat. In order to better understand national and international research output on Campylobacter, we conducted this bibliometric overview of publications on Campylobacter. This study can be used to assess extent of interaction and response of researchers, food regulators, and health policy makers to global burden of campylobacateriosis...
November 29, 2016: Journal of Health, Population, and Nutrition
https://www.readbyqxmd.com/read/27895859/dysbiosis-of-fecal-microbiota-and-high-frequency-of-citrobacter-klebsiella-spp-and-actinomycetes-in-patients-with-irritable-bowel-syndrome-and-gastroenteritis
#15
Leila Ganji, Masoud Alebouyeh, Mohammad Hassan Shirazi, Seyed Saeed Eshraghi, Abbas Mirshafiey, Naser Ebrahimi Daryani, Mohammad Reza Zali
AIM: This study was aimed to characterize putative differences of fecal microbiota between irritable bowel syndrome (IBS) and gastroenteritis patients and healthy controls. BACKGROUND: New evidence proposed that gut microbiota has a deep effect on the balance between health and disease. PATIENTS AND METHODS: The presence of Clostridium difficile, Campylobacter spp., Enterobacteriacea and Staphylococci were detected in the samples using selective and specific culture media...
2016: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/27888275/acute-disseminated-encephalomyelitis-following-campylobacter-jejuni-gastroenteritis-case-report-and-review-of-the-literature
#16
Simone Marziali, Eliseo Picchi, Francesca Di Giuliano, Simone Altobelli, Giorgia Mataluni, Girolama Marfia, Francesco Garaci, Roberto Floris
We describe a case of a 25-year-old male with a diagnosis of acute disseminated encephalomyelitis (ADEM) following infection with Campylobacter jejuni, which is implicated in various human pathologies regarding the central nervous system (CNS) with acute course like Guillain-Barré syndrome (GBS), Miller-Fisher syndrome (MFS), Bickerstaff's brainstem encephalitis (BEE), acute transverse myelitis (ATM) as well as ADEM. These conditions are caused by cross-reactivity between Campylobacter's epitopes and cells of the CNS that causes an immunomediated inflammatory demyelination of the CNS...
November 25, 2016: Neuroradiology Journal
https://www.readbyqxmd.com/read/27885596/methods-to-study-antimicrobial-resistance-in-campylobacter-jejuni
#17
Orhan Sahin, Zhangqi Shen, Qijing Zhang
Campylobacter jejuni is a leading bacterial cause of foodborne gastroenteritis worldwide and is increasingly resistant to clinically important antibiotics. Detection of antibiotic resistance in C. jejuni can be performed with both phenotypic and genotypic methods. In this chapter, we describe the most commonly used molecular biology methods for detection of resistance to clinically important antibiotics. These methods can be employed in both clinical and research settings to facilitate clinical therapy and to monitor the emergence and dissemination of antibiotic-resistant C...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27883255/genome-wide-association-of-functional-traits-linked-with-campylobacter-jejuni-survival-from-farm-to-fork
#18
Koji Yahara, Guillaume Méric, Aidan J Taylor, Stefan P W de Vries, Susan Murray, Ben Pascoe, Leonardos Mageiros, Alicia Torralbo, Ana Vidal, Anne Ridley, Sho Komukai, Helen Wimalarathna, Alison J Cody, Frances M Colles, Noel McCarthy, David Harris, James E Bray, Keith A Jolley, Martin C J Maiden, Stephen D Bentley, Julian Parkhill, Christopher D Bayliss, Andrew Grant, Duncan Maskell, Xavier Didelot, David J Kelly, Samuel K Sheppard
Campylobacter jejuni is a major cause of bacterial gastroenteritis worldwide, primarily associated with the consumption of contaminated poultry. C. jejuni lineages vary in host range and prevalence in human infection, suggesting differences in survival throughout the poultry processing chain. From 7,343 MLST-characterised isolates, we sequenced 600 C. jejuni and C. coli isolates from various stages of poultry processing and clinical cases. A genome-wide association study (GWAS) in C. jejuni ST-21 and ST-45 complexes identified genetic elements over-represented in clinical isolates that increased in frequency throughout the poultry processing chain...
November 24, 2016: Environmental Microbiology
https://www.readbyqxmd.com/read/27865792/a-quantitative-proteomic-screen-of-the-campylobacter-jejuni-flagellar-dependent-secretome
#19
Eoin Scanlan, Lu Yu, Duncan Maskell, Jyoti Choudhary, Andrew Grant
: Campylobacter jejuni is the leading cause of bacterial gastroenteritis in the world. A number of factors are believed to contribute to the ability of C. jejuni to cause disease within the human host including the secretion of non-flagellar proteins via the flagellar type III secretion system (FT3SS). Here for the first time we have utilised quantitative proteomics using stable isotope labelling by amino acids in cell culture (SILAC), and label-free liquid chromatography-mass spectrometry (LC/MS), to compare supernatant samples from C...
January 30, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/27865268/epitope-mapping-of-campylobacter-jejuni-flagellar-capping-protein-flid-by-chicken-gallus-gallus-domesticus-sera
#20
Hung-Yueh Yeh, Arife Ezgi Telli, Jarra F Jagne, Christopher L Benson, Kelli L Hiett, John E Line
Campylobacter jejuni, a Gram-negative rod, is a zoonotic pathogen associated with human acute bacterial gastroenteritis worldwide. The flagellum, composed of more than 35 proteins, is responsible for colonization of C. jejuni in the host gastrointestinal tract as well as inducing protective antibodies against the homologous serotype. In our previous study, we demonstrated that the flagellar capping protein (FliD) is an immunodominant protein that reacted strongly to sera from field chickens. In this communication, we mapped linear immunoreactive epitopes on FliD using a set of 158 synthetic peptides of 15-mer overlapping with 11 amino acid residues on peptide microarrays with sera from field chickens...
December 2016: Comparative Immunology, Microbiology and Infectious Diseases
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