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https://www.readbyqxmd.com/read/28820132/prevalence-of-yersinia-enterocolitica-bioserotype-3-o-3-among-children-with-diarrhea-china-2010-2015
#1
Ran Duan, Junrong Liang, Jing Zhang, Yuhuang Chen, Jing Wang, Jing Tong, Bangcheng Guo, Wanfu Hu, Mingliu Wang, Jiayong Zhao, Chang Liu, Huijing Hao, Xin Wang, Huaiqi Jing
Yersinia enterocolitica is thought to not significantly contribute to diarrheal disease in China, but evidence substantiating this claim is limited. We determined the prevalence of Y. enterocolitica infection and strain types present among children <5 years of age with diarrhea in China. The overall prevalence of pathogenic isolates was 0.59%. Prevalence of pathogenic bioserotype 3/O:3 varied geographically. In this population, the presence of fecal leukocytes was a characteristic of Y. enterocolitica infection and should be used as an indication for microbiological diagnostic testing, rather than for the diagnosis of bacillary dysentery...
September 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28806947/conessine-as-a-novel-inhibitor-of-multidrug-efflux-pump-systems-in-pseudomonas-aeruginosa
#2
Thanyaluck Siriyong, Potjanee Srimanote, Sasitorn Chusri, Boon-Ek Yingyongnarongkul, Channarong Suaisom, Varomyalin Tipmanee, Supayang Piyawan Voravuthikunchai
BACKGROUND: Holarrhena antidysenterica has been employed as an ethnobotanical plant for the treatment of dysentery, diarrhoea, fever, and bacterial infections. Biological activities of the principle compound, conessine including anti-diarrhoea and anti-plasmodial effects were documented. Our previous study reported potency of Holarrhena antidysenterica extract and conessine as resistance modifying agents against extensively drug-resistant Acinetobacter baumannii. This study aimed to investigate (i) whether conessine, a steroidal alkaloid compound, could act as a resistance modifying agent against multidrug-resistant Pseudomonas aeruginosa, and (ii) whether MexAB-OprM efflux pump involved in the mechanism...
August 14, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28796834/impact-of-meteorological-factors-on-the-incidence-of-bacillary-dysentery-in-beijing-china-a-time-series-analysis-1970-2012
#3
Long Yan, Hong Wang, Xuan Zhang, Ming-Yue Li, Juan He
OBJECTIVES: Influence of meteorological variables on the transmission of bacillary dysentery (BD) is under investigated topic and effective forecasting models as public health tool are lacking. This paper aimed to quantify the relationship between meteorological variables and BD cases in Beijing and to establish an effective forecasting model. METHODS: A time series analysis was conducted in the Beijing area based upon monthly data on weather variables (i.e. temperature, rainfall, relative humidity, vapor pressure, and wind speed) and on the number of BD cases during the period 1970-2012...
2017: PloS One
https://www.readbyqxmd.com/read/28795371/hepatoprotective-and-cytotoxic-activities-of-anvillea-garcinii-and-isolation-of-four-new-secondary-metabolites
#4
Shagufta Perveen, Areej Mohammad Al-Taweel, Hasan Soliman Yusufoglu, Ghada Ahmed Fawzy, Ahmed Foudah, Maged Saad Abdel-Kader
Anvillea garcinii is a medicinal plant traditionally used for the treatment of dysentery, gastrointestinal troubles, hepatitis, lung disease, colds, digestive problems and pulmonary affections and in liver diseases. Four new sesquiterpene lactones, garcinamines A-D, along with seven known compounds, were isolated from the leaves of A. garcinii. This is the first report of the isolation of amino acid analogues of parthenolide-type sesquiterpene lactones from the family Asteraceae. Total ethanol extract of leaves as well as the chloroform and n-butanol fractions were tested for their hepatoprotective effect using the carbon tetrachloride liver toxicity model...
August 9, 2017: Journal of Natural Medicines
https://www.readbyqxmd.com/read/28789934/targeting-calpains-a-novel-immunomodulatory-approach-for-microbial-infections
#5
REVIEW
Vijay Kumar, Ahmad Ali
Calpains are a family of Ca(2+) dependent cytosolic non-lysosomal proteases with well conserved cysteine-rich domains for enzymatic activity. Due to their functional dependency on Ca(2+) concentrations, they are involved in various cellular processes that are regulated by intracellular ca(2+) concentration (i.e. embryo development, cell development and migration, maintenance of cellular architecture and structure etc.). Calpains are widely studied proteases in mammalian (i.e. mouse and human) physiology and pathophysiology due to their ubiquitous presence...
August 5, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28767653/in-silico-analysis-to-identify-vaccine-candidates-common-to-multiple-serotypes-of-shigella-and-evaluation-of-their-immunogenicity
#6
Sapna Pahil, Neelam Taneja, Hifzur Rahman Ansari, G P S Raghava
Shigellosis or bacillary dysentery is an important cause of diarrhea, with the majority of the cases occurring in developing countries. Considering the high disease burden, increasing antibiotic resistance, serotype-specific immunity and the post-infectious sequelae associated with shigellosis, there is a pressing need of an effective vaccine against multiple serotypes of the pathogen. In the present study, we used bio-informatics approach to identify antigens shared among multiple serotypes of Shigella spp...
2017: PloS One
https://www.readbyqxmd.com/read/28767339/assessing-gut-microbiota-perturbations-during-the-early-phase-of-infectious-diarrhea-in-vietnamese-children
#7
Hao Chung The, Paola Florez de Sessions, Song Jie, Duy Pham Thanh, Corinne N Thompson, Chau Nguyen Ngoc Minh, Collins Wenhan Chu, Tuan-Anh Tran, Nicholas R Thomson, Guy E Thwaites, Maia A Rabaa, Martin Hibberd, Stephen Baker
Diarrheal diseases remain the second most common cause of mortality in young children in developing countries. Efforts have been made to explore the impact of diarrhea on bacterial communities in the human gut, but a thorough understanding has been impeded by inadequate resolution in bacterial identification and the examination of only few etiological agents. Here, by profiling an extended region of the 16S rRNA gene in the fecal microbiome, we aimed to elucidate the nature of gut microbiome perturbations during the early phase of infectious diarrhea caused by various etiological agents in Vietnamese children...
August 2, 2017: Gut Microbes
https://www.readbyqxmd.com/read/28765569/locus-of-adhesion-and-autoaggregation-laa-a-pathogenicity-island-present-in-emerging-shiga-toxin-producing-escherichia-coli-strains
#8
David A Montero, Juliana Velasco, Felipe Del Canto, Jose L Puente, Nora L Padola, David A Rasko, Mauricio Farfán, Juan C Salazar, Roberto Vidal
Shiga Toxin-producing Escherichia coli (STEC) are a group of foodborne pathogens associated with diarrhea, dysentery, hemorrhagic colitis (HC) and hemolytic uremic syndrome (HUS). Shiga toxins are the major virulence factor of these pathogens, however adhesion and colonization to the human intestine is required for STEC pathogenesis. A subset of STEC strains carry the Locus of Enterocyte Effacement (LEE) pathogenicity island (PAI), which encodes genes that mediate the colonization of the human intestine. While LEE-positive STEC strains have traditionally been associated with human disease, the burden of disease caused by STEC strains that lacks LEE (LEE-negative) has increased recently in several countries; however, in the absence of LEE, the molecular pathogenic mechanisms by STEC strains are unknown...
August 1, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28757022/a-review-of-methods-used-for-studying-the-molecular-epidemiology-of-brachyspira-hyodysenteriae
#9
REVIEW
Friederike Zeeh, Heiko Nathues, Joachim Frey, Petra Muellner, Claes Fellström
Brachyspira (B.) spp. are intestinal spirochaetes isolated from pigs, other mammals, birds and humans. In pigs, seven Brachyspira spp. have been described, i.e. B. hyodysenteriae, B. pilosicoli, B. intermedia, B. murdochii, B. innocens, B. suanatina and B. hampsonii. Brachyspira hyodysenteriae is especially relevant in pigs as it causes swine dysentery and hence considerable economic losses to the pig industry. Furthermore, reduced susceptibility of B. hyodysenteriae to antimicrobials is of increasing concern...
August 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28757011/presence-and-mechanisms-of-acquired-antimicrobial-resistance-in-belgian-brachyspira-hyodysenteriae-isolates-belonging-to-different-clonal-complexes
#10
M Mahu, F Pasmans, K Vranckx, N De Pauw, L Vande Maele, Philip Vyt, Tamara Vandersmissen, A Martel, F Haesebrouck, F Boyen
Swine dysentery (SD) is an economically important disease for which antimicrobial treatment still occupies an important place to control outbreaks. However, acquired antimicrobial resistance is increasingly observed in Brachyspira hyodysenteriae. In this study, the Minimal Inhibitory Concentrations (MIC) of six antimicrobial compounds for 30 recent Belgian B. hyodysenteriae isolates were determined using a broth microdilution method. In addition, relevant regions of the 16S rRNA, 23S rRNA and the L3 protein encoding genes were sequenced to reveal mutations associated with acquired resistance...
August 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28745081/ethnobotanical-ethnopharmacological-and-phytochemical-studies-of-myrtus-communis-linn-a-popular-herb-in-unani-system-of-medicine
#11
Mekonnen Sisay, Tigist Gashaw
Myrtus communis L (Myrtaceae) is one of the popular drugs being used in the Unani system of phytomedicine since ancient Greece period. From time immemorial, different parts of this plant and essential oil have been used for a variety of purposes such as cosmetics (hair fall control), flavoring of food and drinks as well as extensive therapeutic purposes. Ethnobotanical information revealed that M communis L has been a folkloric repute for the treatment of several diseases like gastric ulcer, diarrhea, dysentery, cancer, rheumatism, hemorrhage, deep sinuses, leucorrhoea, hemorrhoid, inflammation, dyspepsia, anxiety, insomnia, diabetes, hypertension, pulmonary disorders, and skin diseases...
January 1, 2017: Journal of Evidence-based Complementary & Alternative Medicine
https://www.readbyqxmd.com/read/28742314/the-dysentery-epidemic-in-poland-in-1920-1921
#12
Jan Wnęk
This article describes in general the issues related to the dysentery epidemic in 1920-1921. The current literature on the subject lacks publications presenting these issues fully. Based on historical sources from that period, including articles published in medical magazines, the incidence rate, the methods and results of the battle against that epidemic were depicted. The article represents an important contribution to a better insight in the struggle of Polish medical services with infectious diseases afflicting people in the first years following the end of World War I...
2017: Przegla̧d Epidemiologiczny
https://www.readbyqxmd.com/read/28721511/molecular-and-phylogenetic-characterization-of-bovine-coronavirus-virus-isolated-from-dairy-cattle-in-central-region-thailand
#13
Kanokwan Singasa, Taweesak Songserm, Preeda Lertwatcharasarakul, Pipat Arunvipas
Bovine coronavirus (BCoV) is involved mainly in enteric infections in cattle. This study reports the first molecular detection of BCoV in a diarrhea outbreak in dairy cows in the Central Region, Thailand. BCoV was molecularly detected from bloody diarrheic cattle feces by using nested PCR. Agarose gel electrophoresis of three diarrheic fecal samples yielded from the 25 samples desired amplicons that were 488 base pairs and sequencing substantiated that have BCoV. The sequence alignment indicated that nucleotide and amino acid sequences, the three TWD isolated in Thailand, were more quite homologous to each other (amino acid at position 39 of TWD1, TWD3 was proline, but TWD2 was serine) and closely related to OK-0514-3strain (virulent respiratory strain; RBCoV)...
July 18, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28708077/environmental-drivers-and-predicted-risk-of-bacillary-dysentery-in-southwest-china
#14
Han Zhang, Yali Si, Xiaofeng Wang, Peng Gong
Bacillary dysentery has long been a considerable health problem in southwest China, however, the quantitative relationship between anthropogenic and physical environmental factors and the disease is not fully understand. It is also not clear where exactly the bacillary dysentery risk is potentially high. Based on the result of hotspot analysis, we generated training samples to build a spatial distribution model. Univariate analyses, autocorrelation and multi-collinearity examinations and stepwise selection were then applied to screen the potential causative factors...
July 14, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28706469/metabolic-response-of-porcine-colon-explants-to-in-vitro-infection-by-brachyspira-hyodysenteriae-a-leap-into-disease-pathophysiology
#15
Thijs Welle, Anna T Hoekstra, Ineke A J J M Daemen, Celia R Berkers, Matheus O Costa
INTRODUCTION: Swine dysentery caused by Brachyspira hyodysenteriae is a production limiting disease in pig farming. Currently antimicrobial therapy is the only treatment and control method available. OBJECTIVE: The aim of this study was to characterize the metabolic response of porcine colon explants to infection by B. hyodysenteriae. METHODS: Porcine colon explants exposed to B. hyodysenteriae were analyzed for histopathological, metabolic and pro-inflammatory gene expression changes...
2017: Metabolomics: Official Journal of the Metabolomic Society
https://www.readbyqxmd.com/read/28694749/variability-of-antioxidant-and-biological-activities-of-rhus-tripartitum-related-to-phenolic-compounds
#16
Hanène Ben Miled, Mariem Saada, Ines Jallali, Zaineb Ben Barka, Mounira Tlili, Hichem Alimi, Mohsen Sakly, Khémais Ben Rhouma, Manef Abderrabba, Hafedh Abdelmelek, Olfa Tebourbi, Riadh Ksouri
Rhus species are known in traditional medicine for their therapeutic virtue and their extracts showed numerous important properties including antimalarial, antimicrobial, antiviral, and hypoglycemic and anticonvulsant activities. Rhus tripartitum (Ucria) is a medicinal plant widely used in Tunisia folk medicine against chronic diarrhea and gastric ulcer. This study was designed to examine in vitro and ex vivo antioxidant, anti-inflammatory and anticancer activities of four extracts of Rhus tripartitum root cortex with increasing solvent polarity (hexane, dichloromethane, methanol and water)...
2017: EXCLI journal
https://www.readbyqxmd.com/read/28687951/approach-to-upset-stomach
#17
Rishi Bolia
An "Upset stomach" is a common problem encountered by physicians involved in the care of children. It includes, diarrhea, vomiting or abdominal pain. Though often mild and self-limiting, at times there are uncommon life-threatening conditions that require urgent care. It is important for primary physicians to recognize "alarm signs" and make a referral to the specialist at the right time. At the same time it is important to recognize what is normal and re-assure the caregivers. A detailed history and a proper systemic examination are important at presentation, looking for any "red flags"...
July 8, 2017: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/28671329/suppression-of-il-8-release-by-sweet-olive-ethanolic-extract-and-compounds-in-widr-colon-adenocarcinoma-cells
#18
Yi-Ling Ye, Huei-Shin Chang, Yu-Fang Tseng, Li-Shian Shi
Oxidative stress can stimulate the secretion of pro-inflammatory cytokines. Interleukin-8 (IL-8) has been implicated in the pathogenesis of inflammatory bowel disease and the metastatic spread of colorectal cancer. The flowers of Osmanthus fragrans (sweet olive) are used to alleviate dysentery with blood in the bowel, as well as stomach ache and diarrhea. However, the evidence of their therapeutic effects on these symptoms remains unclear. In the present study, the protective effects of sweet olive flower ethanolic extract (OFE) against oxidative stress in WiDr cells was assessed by evaluating its 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical scavenging activity...
July 3, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28659988/systems-pharmacological-approach-of-pulsatillae-radix-on-treating-crohn-s-disease
#19
Su Yeon Suh, Won G An
In East Asian traditional medicine, Pulsatillae Radix (PR) is widely used to treat amoebic dysentery and renowned for its anti-inflammatory effects. This study aimed to confirm evidence regarding the potential therapeutic effect of PR on Crohn's disease using a system network level based in silico approach. Study results showed that the compounds in PR are highly connected to Crohn's disease related pathways, biological processes, and organs, and these findings were confirmed by compound-target network, target-pathway network, and gene ontology analysis...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28651094/in-vitro-susceptibility-of-brachyspira-hyodysenteriae-to-a-commercial-citrus-fruit-extract
#20
Pedro J G de Nova, Ana Carvajal, Miguel Prieto, Pedro Rubio
Brachyspira hyodysenteriae is the main etiological agent of swine dysentery (SD). Nowadays, treatment and control of SD is increasingly difficult due to the emergence of antimicrobial resistance together with the restrictions on the use of antibiotics in veterinary practice. The aim of this study was to evaluate, as an alternative in the control of this disease, the antimicrobial activity and the main mechanism of action of BIOCITRO, a citrus extract commercialized as raw material and used as feed additive, against B...
June 20, 2017: Research in Veterinary Science
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