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https://www.readbyqxmd.com/read/29790689/detection-of-brucella-abortus-by-immunofluorescence-assay-using-anti-outer-membrane-protein-of-19-kda-antibody
#1
Elham Mohammadi, Mehdi Golchin
BACKGROUND: Brucellosis in humans is one of the most prevalent zoonotic diseases around the world with more than 500,000 new cases per year. It is a weakening disease that requires long-term antibiotic treatment, often resulting in permanent and disabling consequences. Outer membrane proteins (OMPs) of Brucella, which are non-lipopolysaccharide (LPS) antigens, have been used for the diagnostic kits of brucellosis and vaccine design. OBJECTIVES: The aim of this study was to identify Brucella abortus with an immunofluorescence (IF) test using an antibody against recombinant outer membrane protein (OMP) of 19 kDa of this bacterium...
May 15, 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/29790273/serological-cultural-and-molecular-evidence-of-brucella-melitensis-infection-in-goats-in-al-jabal-al-akhdar-sultanate-of-oman
#2
Yasmin ElTahir, Al Ghalya Al Toobi, Waleed Al-Marzooqi, Osman Mahgoub, Maryne Jay, Yannick Corde, Hadi Al Lawati, Shekar Bose, Abeer Al Hamrashdi, Kaadhia Al Kharousi, Nasseb Al-Saqri, Rudaina Al Busaidi, Eugene H Johnson
Brucellosis, one of the most common zoonotic diseases and has significant public health and economic importance worldwide. Few studies and reports have been performed to estimate the true prevalence of animal brucellosis in the Sultanate of Oman; however, no incidence of the disease was previously reported in Al Jabal Al Akhdar. The purpose of this study was to investigate the prevalence of brucellosis in goats in eight villages in Al Jebal Al Akhdar, Sultanate of Oman, namely: Al Aqaieb, Al Helailat, Al Ghilayil, Hail Al Hedap, Da'an Al Hamra, Shnoot, Al Qasha'e and Al Sarah, Al Jabal Al Akhdar in the Sultanate of Oman...
May 23, 2018: Veterinary Medicine and Science
https://www.readbyqxmd.com/read/29781672/immunological-response-to-brucella-abortus-strain-19-vaccination-of-cattle-in-a-communal-area-in-south-africa
#3
Gregory J G Simpson, Tanguy Marcotty, Elodie Rouille, Abel Chilundo, Jean-Jacques Letteson, Jacques Godfroid
Brucellosis is of worldwide economic and public health importance. Heifer vaccination with live attenuated Brucella abortus strain 19 (S19) is the cornerstone of control in low- and middle-income countries. Antibody persistence induced by S19 is directly correlated with the number of colony-forming units (CFU) per dose. There are two vaccination methods: a 'high' dose (5-8 × 1010 CFU) subcutaneously injected or one or two 'low' doses (5 × 109 CFU) through the conjunctival route. This study aimed to evaluate serological reactions to the 'high' dose and possible implications of the serological findings on disease control...
March 29, 2018: Journal of the South African Veterinary Association
https://www.readbyqxmd.com/read/29777092/seroprevalence-of-brucellosis-in-butchers-veterinarians-and-slaughterhouse-workers-in-hamadan-western-iran
#4
Mojgan Mamani, Mohammad Mehdi Majzoobi, Fariba Keramat, Nesa Varmaghani, Abbas Moghimbeigi
BACKGROUND: Brucellosis is a zoonotic disease caused by Brucella species via infected domestic animals. In endemic areas, certain occupations such as veterinarians, butchers, and slaughterhouse workers are considered high risk regarding brucellosis. We evaluated the seroprevalence of brucellosis in high-risk occupations in Hamadan, West of Iran. STUDY DESIGN: a cross-sectional study. METHODS: Overall, 218 participants from 2014 to 2015 were enrolled...
February 10, 2018: Journal of Research in Health Sciences
https://www.readbyqxmd.com/read/29769511/an-elderly-lady-with-neurobrucellosis-and-multiple-co-morbid-conditions
#5
M N Islam
Neurobrucellosis is a rare (1.7-7.0% of prevalence) neurological complication of brucellosis which has neither a typical clinical picture nor specific cerebrospinal fluid (CSF) findings and mimics other neurological disorders leading to clinical diagnostic dilemmas. This study describes one elderly patient of neurobrucellosis with fever, irrelevant behavior, sweating, fatigue, drowsiness, neck stiffness inability to speak and reduced activity for about 10 days hailing from Beanibazar, Sylhet, Bangladesh admitted in Mount Adora Hospital, Sylhet, Bangladesh on 16th October 2016...
April 2018: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/29749364/cytopenia-in-adult-brucellosis-patients
#6
Safak Kaya, Nazif Elaldi, Ozcan Deveci, Ahmet Emre Eskazan, Muhammed Bekcibasi, Salih Hosoglu
Background & objectives: Brucellosis can lead to haematological abnormalities including cytopenia confusing with haematological malignancies. The aim of this study was to compare the main characteristics of brucellosis patients without cytopenia (Group 1) and with cytopenia (Group 2). Methods: This five-year period study which was performed in two referral hospitals in Turkey, included all adult brucellosis patients. Abnormally, low counts of leucocyte or haemoglobin or platelets in a patient were considered as cytopenia...
January 2018: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/29747573/global-evolution-and-phylogeography-of-brucella-melitensis-strains
#7
Sergey V Pisarenko, Dmitry A Kovalev, Anna S Volynkina, Dmitry G Ponomarenko, Diana V Rusanova, Nina V Zharinova, Anna A Khachaturova, Lyudmila E Tokareva, Irina G Khvoynova, Alexander N Kulichenko
BACKGROUND: Brucellosis is a bacterial zoonotic disease. Annually in the world more than 500,000 new cases of brucellosis in humans are registered. In this study, we propose an evolutionary model of the historical distribution of B. melitensis based on the full-genomic SNP analysis of 98 strains. RESULTS: We performed an analysis of the SNP of the complete genomes of 98 B. melitensis strains isolated in different geographical regions of the world to obtain relevant information on the population structure, genetic diversity and the evolution history of the species...
May 10, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29746469/cost-benefit-analysis-of-intervention-policies-for-prevention-and-control-of-brucellosis-in-india
#8
Balbir B Singh, Polychronis Kostoulas, Jatinder P S Gill, Navneet K Dhand
BACKGROUND: Brucellosis is endemic in the bovine population in India and causes a loss of US$ 3·4 billion to the livestock industry besides having a significant human health impact. METHODS: We developed a stochastic simulation model to estimate the impact of three alternative vaccination strategies on the prevalence of Brucella infection in the bovine populations in India for the next two decades: (a) annual mass vaccination only for the replacement calves and (b) vaccination of both the adult and young population at the beginning of the program followed by an annual vaccination of the replacement calves and, (c) annual mass vaccination of replacements for a decade followed by a decade of a test and slaughter strategy...
May 10, 2018: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29745323/research-progress-on-brucellosis
#9
Yuming Deng, Xinyue Liu, Kaifang Duan, Qisheng Peng
Brucellosis is a debilitating febrile illness caused by an intracellular Brucella. The disease distributed in humans and animals widely, especially in developing countries. Ten species are included in the genus Brucella nowadays; four species of them are pathogenic to humans, which making brucellosis a zoonosis with more than 500,000 new cases reported annually. For human brucellosis, the most pathogenic specie is B. melitensis followed by B. suis, while B. abortus is the mildest type of brucellosis. The infection mechanism of Brucella is complicated and mostly relies on its virulence factors...
May 10, 2018: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/29740101/tissue-distribution-and-cell-tropism-of-brucella-canis-in-naturally-infected-canine-foetuses-and-neonates
#10
Tayse Domingues de Souza, Tatiane Furtado de Carvalho, Juliana Pinto da Silva Mol, João Vítor Menezes Lopes, Monique Ferreira Silva, Tatiane Alves da Paixão, Renato Lima Santos
Brucella canis infection is an underdiagnosed zoonotic disease. Knowledge about perinatal brucellosis in dogs is extremely limited, although foetuses and neonates are under risk of infection due to vertical transmission. In this study, immunohistochemistry was used to determine tissue distribution and cell tropism of B. canis in canine foetuses and neonates. Diagnosis of B. canis in tissues of naturally infected pups was based on PCR and sequencing of amplicons, bacterial isolation, and immunohistochemistry, whose specificity was confirmed by laser capture microdissection...
May 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29736150/diagnostic-potential-of-brucella-melitensis-rev1-native-omp28-precursor-in-human-brucellosis
#11
Ismail Koyuncu, Abdurrahman Kocyigit, Ahmet Ozer, Sahabettin Selek, Adnan Kirmit, Hasan Karsen
Serologic tests for brucellosis aim to detect antibodies produced against membranous lipopolysaccharide of bacteria. Diagnostic use of this method is limited due to false positiveness. This study evaluates an alternative antigen to lipopolysaccharides (LPS), outer membrane 28-precursor-protein, of Brucella melitensis Rev1 for its diagnostic value. Omp28 precursor of B. melitensis Rev1 was cloned, expressed, and purified. 6-His and sumo epitope tags were used to tag the protein at N-termini. Omp28 gene was amplified based on the ORF sequence and cloned into a pETSUMO vector...
2018: Central-European Journal of Immunology
https://www.readbyqxmd.com/read/29735252/a-single-institution-experience-with-a-brucellosis-outbreak-in-the-united-states
#12
Riya Joseph, Matthew P Crotty, Jonathan Cho, Marie H Wilson, Jennifer Tran, Joslyn Pribble, Leigh Hunter
Human cases of brucellosis in the United States are primarily limited to imported infections or reservoirs. We describe a brucellosis outbreak involving 8 patients treated at a single hospital in the United States. Standardized precautionary microbiology processes and coordinated collaboration among hospital departments and local health departments assisted in optimally managing this disease at our institution.
May 4, 2018: American Journal of Infection Control
https://www.readbyqxmd.com/read/29732320/activation-of-host-ire1%C3%AE-dependent-signaling-axis-contributes-the-intracellular-parasitism-of-brucella-melitensis
#13
Aseem Pandey, Furong Lin, Ana L Cabello, Luciana F da Costa, Xuehuan Feng, Hui-Qiang Feng, Ming-Zhe Zhang, Takao Iwawaki, Allison Rice-Ficht, Thomas A Ficht, Paul de Figueiredo, Qing-Ming Qin
Brucella spp. are intracellular vacuolar pathogens that causes brucellosis, a worldwide zoonosis of profound importance. We previously demonstrated that the activity of host unfolded protein response (UPR) sensor IRE1α (inositol-requiring enzyme 1) and ER-associated autophagy confer susceptibility to Brucella melitensis and Brucella abortus intracellular replication. However, the mechanism by which host IRE1α regulates the pathogen intracellular lifestyle remains elusive. In this study, by employing a diverse array of molecular approaches, including biochemical analyses, fluorescence microscopy imaging, and infection assays using primary cells derived from Ern1 (encoding IRE1) conditional knockout mice, we address this gap in our understanding by demonstrating that a novel IRE1α to ULK1, an important component for autophagy initiation, signaling axis confers susceptibility to Brucella intracellular parasitism...
2018: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/29724202/anti-brucella-activity-of-caryopteris-mongolica-bunge-root-extract-against-brucella-melitensis-infection-in-mice
#14
Tsevelmaa N, Narangerel B, Odgerel O, Dariimaa D, Batkhuu J
BACKGROUND: The current treatment for human brucellosis requires a combination of antibiotics for long periods of time, and the reported incidence and prevalence of the disease vary widely in nomadic livestock of Mongolia. The objective of the present study was to evaluate the in vivo antibacterial activity of the C. mongolica root extract against B. melitensis. METHODS: In this study, we used of 6 groups of mice (n = 5). Five groups of BALB/c mice were inoculated intraperitoneally with the M16 strain of B...
May 3, 2018: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/29716658/a-case-report-of-spontaneous-abortion-caused-by-brucella-melitensis-biovar-3
#15
Hong-Xia Yang, Jun-Jun Feng, Qiu-Xiang Zhang, Rui-E Hao, Su-Xia Yao, Rong Zhao, Dong-Ri Piao, Bu-Yun Cui, Hai Jiang
BACKGROUND: Brucellosis is a worldwide zoonotic disease caused by Brucella spp. Brucella invades the body through the skin mucosa, digestive tract, and respiratory tract. However, only a few studies on human spontaneous abortion attributable to Brucella have been reported. In this work, the patient living in Shanxi Province in China who had suffered a spontaneous abortion was underwent pathogen detection and Brucella melitensis biovar 3 was identified. CASE PRESENTATION: The patient in this study was 22 years old...
May 2, 2018: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/29715287/multisectoral-prioritization-of-zoonotic-diseases-in-uganda-2017-a-one-health-perspective
#16
Musa Sekamatte, Vikram Krishnasamy, Lilian Bulage, Christine Kihembo, Noelina Nantima, Fred Monje, Deo Ndumu, Juliet Sentumbwe, Betty Mbolanyi, Robert Aruho, Winyi Kaboyo, David Mutonga, Colin Basler, Sarah Paige, Casey Barton Behravesh
BACKGROUND: Zoonotic diseases continue to be a public health burden globally. Uganda is especially vulnerable due to its location, biodiversity, and population. Given these concerns, the Ugandan government in collaboration with the Global Health Security Agenda conducted a One Health Zoonotic Disease Prioritization Workshop to identify zoonotic diseases of greatest national concern to the Ugandan government. MATERIALS AND METHODS: The One Health Zoonotic Disease Prioritization tool, a semi-quantitative tool developed by the U...
2018: PloS One
https://www.readbyqxmd.com/read/29709690/study-of-serum-bactericidal-and-splenic-activity-of-total-omp-caga-combination-from-brucella-abortus-and-helicobacter-pylori-in-balb-c-mouse-model
#17
Amir Hossein Abadi, Mehdi Mahdavi, Azad Khaledi, Seyed-Alireza Esmaeili, Davoud Esmaeili, Amirhossein Sahebkar
BACKGROUND: Brucella is a Gram-negative and facultative intracellular organism that causes brucellosis, a common zoonotic disease. Over 500,000 people are annually affected by brucellosis. Brucella is highly infectious through inhalation route; for this reason it is used for biological warfare aims. This study aimed to study the serum bactericidal and splenic activity of Total-OMP-r CagA immunogens from Brucella abortus and Helicobacter pylori in a BALB/c mouse model. METHODS: Immunization of BALB/c mice was performed with immunogenic proteins three times subcutaneously (S...
April 27, 2018: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29705812/imaging-assisted-diagnosis-and-characteristics-of-suspected-spinal-brucellosis-a-retrospective-study-of-72-cases
#18
Laiyong Tu, Xinmei Liu, Wenfei Gu, Zhenbin Wang, Enfeng Zhang, Aikenmu Kahar, Ge Chu, Jiang Zhao
BACKGROUND We clarified the imaging features of Brucella spondylitis to enhance our understanding of the disease and to minimize misdiagnosis. MATERIAL AND METHODS Imaging data (X-ray, computed tomography [CT], and magnetic resonance imaging [MRI] data) of 72 Brucella spondylitis patients treated from 2010 to 2017 were retrospectively analyzed; diagnoses was made by evaluating laboratory and pathological data. RESULTS X-ray films revealed changes in intervertebral space heights, the number of lateral osteophytes, and bone destruction, which were more severe in the following order: lumbosacral vertebrae (56 cases, 77...
April 29, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29701826/the-epidemiology-of-brucellosis-in-greece-2007-2012-a-one-health-approach
#19
Ioannis Fouskis, Vassilios Sandalakis, Athanasia Christidou, Andreas Tsatsaris, Nikos Tzanakis, Yannis Tselentis, Anna Psaroulaki
Background: Brucellosis remains a disease that is very difficult to control and eradicate in Greece. Information exchange between the responsible authorities is crucial in order to support public health infrastructure in the sense of the 'One-Health' strategy model. Methods: The data for 2007-2012 were retrieved from the notifiable diseases system and analysed statistically for correlations between human brucellosis cases and the disease in small ruminants. Disease-related risk factors were also estimated with parallel exploitation mapping software...
April 26, 2018: Transactions of the Royal Society of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29697933/comparison-of-inflammatory-markers-between-brucella-and-non-brucella-epididymo-orchitis
#20
Ali Cift, Mehmet Ozgur Yucel
OBJECTIVES: Brucellosis is a multi-system infectious disease that is associated with inflammation, which causes an increase in acute phase reactants. Hematological inflammatory markers of brucellosis include mean platelet volume (MPV), red cell distribution width (RDW), neutrophil/lymphocyte ratio (NLR), and platelet/lymphocyte ratio (PLR). In this study, we aimed to evaluate the diagnostic value of hematological inflammatory markers in Brucella epididymo-orchitis (BEO), and to investigate the utility of these markers for differential diagnosis from non-Brucella epididymo-orchitis (non-BEO)...
April 15, 2018: International Braz J Urol: Official Journal of the Brazilian Society of Urology
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