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Morteza Abkar, Mahdi Fasihi-Ramandi, Hamid Kooshki, Abbas Sahebghadam Lotfi
Brucella (B) species are brucellosis causative agents, a worldwide zoonotic illness causing Malta fever in humans and abortion in domestic animals. In this work, we evaluated the vaccine potential of Trimethyl chitosan (TMC) nanoparticles formulation of Urease (TMC/Urease) against brucellosis. TMC/Urease nanoparticles and urease without any adjuvant were separately administered both orally and intraperitoneally. Intraperitoneal (i.p.) administration of urease alone as well as oral administration of both TMC/Urease and urease alone, elicited low titers of specific immunoglobulin G (IgG), while i...
March 13, 2018: Immunology Letters
Dexin Zou, Junlin Zhou, Xiaobing Jiang
Tuberculosis combined with brucellosis is a very rare condition. Overlapping clinical presentation and laboratory parameters of tuberculosis and brucellosis may lead to misdiagnosis or delayed diagnosis of the condition. The current study presents the case of a 45-year-old male with symptoms of lower back pain, non-tender swelling in the right flank, intermittent hyperpyrexia, sweating, body aches and numbness and weakness of right lower limb. A lumbar computed tomograph (CT) scan and magnetic resonance imaging indicated vertebral destruction and the formation of sequestra and thecal sac compression...
April 2018: Experimental and Therapeutic Medicine
Maroun M Sfeir
Brucellosis is a challenging zoonosis to diagnose and treat. The recent outbreaks of Brucella abortus RB51 in several states in the United States, including New Jersey and Texas, due to raw milk consumption has raised the concern of drug-resistant Brucella spp. This commentary highlights the importance of being on the lookout for this emerging infection.
March 14, 2018: Journal of Medical Microbiology
J Awah-Ndukum, M M M Mouiche, H N Bayang, V Ngu Ngwa, E Assana, K J M Feussom, T K Manchang, P A Zoli
A cross-sectional seroprevalence study was conducted on cattle in the North and Adamawa Regions of Cameroon to investigate the status of bovine brucellosis and identify potential risk factors. The diagnosis was carried out using the Rose Bengal Plate test (RBPT) and indirect ELISA (i-ELISA), while questionnaires were used to evaluate risk factors for bovine brucellosis in cattle. The Bayesian approach was used to evaluate the diagnostic tests' sensitivity and specificity. The overall individual level ( n = 1031) and herd level ( n = 82) seroprevalence were 5...
2018: Veterinary Medicine International
Maryam Golshani, Melina Ghasemian, Nematollah Gheibi, Saeid Bouzari
Background: L7/L12 is a protective antigen conserved in main Brucella pathogens and is considered as potential vaccine candidate. Outer membrane protein 2b is an immunogen conserved in all Brucella pathogens. Materials and Methods: The purpose of the current study was to in silico design a L7/L12-SOmp2b fusion protein and in vitro production of the chimera. Two possible fusion forms, L7/L12-SOmp2b and SOmp2b-L7/L12, were subjected to in silico modeling and analysis...
2018: Advanced Biomedical Research
Gavin G Cotterill, Paul C Cross, Eric K Cole, Rebecca K Fuda, Jared D Rogerson, Brandon M Scurlock, Johan T du Toit
Providing food to wildlife during periods when natural food is limited results in aggregations that may facilitate disease transmission. This is exemplified in western Wyoming where institutional feeding over the past century has aimed to mitigate wildlife-livestock conflict and minimize winter mortality of elk ( Cervus canadensis ). Here we review research across 23 winter feedgrounds where the most studied disease is brucellosis, caused by the bacterium Brucella abortus Traditional veterinary practices (vaccination, test-and-slaughter) have thus far been unable to control this disease in elk, which can spill over to cattle...
May 5, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
Khadega A Abuelgasim, Yousef Alsharhan, Tariq Alenzi, Abdulaziz Alhazzani, Yosra Z Ali, Abdul Rahman Jazieh
BACKGROUND: A significant proportion of cancer patients use complementary and alternative medicine (CAM) along with conventional therapies (CT), whereas a smaller proportion delay or defer CT in favor of CAM. Previous studies exploring CAM use among cancer patients in the Middle East region have shown discrepant results. This study investigates the prevalence and pattern of CAM use by Saudi cancer patients. It also discusses the possible benefits and harm related to CAM use by cancer patients, and it explores the beliefs patients hold and their transparency with health care providers regarding their CAM use...
March 12, 2018: BMC Complementary and Alternative Medicine
Maria Cryskely Agra Batinga, Julia Teresa Ribeiro de Lima, Fabio Gregori, Jaqueline Assumpção Diniz, Kerstin Muner, Trícia M F S Oliveira, Helena Lage Ferreira, Rodrigo Martins Soares, Lara Borges Keid
Canine brucellosis is caused by Brucella canis, a gram negative and facultative intracellular bacterium that is commonly associated with reproductive failures in dogs. The accurate diagnosis of the infection relies on the use of serological tests associated with blood culturing to guarantee sensitivity. The polymerase chain reaction (PCR) can replace the culturing procedure for the direct diagnosis of the infection because of its speed, high specificity and sensitivity values; however, it depends on some laboratory infrastructure to be conducted...
March 7, 2018: Molecular and Cellular Probes
Mohamed El-Diasty, Gamal Wareth, Falk Melzer, Shawky Mustafa, Lisa D Sprague, Heinrich Neubauer
Brucellosis is a zoonosis occurring worldwide, with economic and public health impacts. Its diagnosis remains a challenge in endemic countries and basically relies on serology. The present study was carried out on two dairy cattle farms allegedly free from brucellosis, but with sporadic cases of abortion. The aim of this study was to investigate the presence of Brucella (B.) spp. in uterine discharge of seronegative cows after abortion. In farm I, B. melitensis biovar (bv) 3 was cultured from two of five cows after abortion, while in farm II, B...
March 9, 2018: Veterinary Sciences
Pooja M Kishnani, Ankita A Tiwari, Smita S Mangalgi, Sukhadeo B Barbuddhe, H F Daginawala, Lokendra R Singh, Rajpal S Kashyap
Brucella species are the etiological agent of brucellosis in humans and animals. Here, we report the whole-genome sequence of Brucella melitensis strain CIIMS-BH-2, belonging to biovar 2. The draft assembly of CIIMS-BH-2 is 3.31 Mb in size, with 57.2% G+C content.
March 8, 2018: Genome Announcements
Julio César García Casallas, Walter Villalobos Monsalve, Sara Consuelo Arias Villate, Ingrid Marisol Fino Solano
BACKGROUND: Brucellosis is one of the most widespread zoonoses worldwide. It can affect any organ system, particularly the gastrointestinal system, but there is no report of acute liver failure as a brucellosis complication. CASE PRESENTATION: We present a case of acute liver failure secondary to brucellosis infection. A 75-year-old Hispanic man presented to a University Hospital in Chía, Colombia, with a complaint of 15 days of fatigue, weakness, decreased appetite, epigastric abdominal pain, jaundice, and 10 kg weight loss...
March 9, 2018: Journal of Medical Case Reports
Arnold Ezama, Jean-Paul Gonzalez, Samuel Majalija, Francis Bajunirwe
BACKGROUND: Brucellosis is a worldwide and zoonotic disease often sadly misdiagnosed in endemic areas. Challenges of availability and accessibility of diagnostic tools are common in resource constrained populations where the most vulnerable are found, surveillance and diagnosis are limited too. METHODS: A cross-sectional study using a simple two stage cluster sampling method was conducted to measure short evolution brucellosis burden among cattle keeping households that are one of the highest risk populations to be exposed to Brucella infection...
March 5, 2018: BMC Public Health
Marie J Ducrotoy, Pilar M Muñoz, Raquel Conde-Álvarez, José M Blasco, Ignacio Moriyón
Brucellosis is a worldwide extended zoonosis with a heavy economic and public health impact. Cattle, sheep and goats are infected by smooth Brucella abortus and Brucella melitensis, and represent a common source of the human disease. Brucellosis diagnosis in these animals is largely based on detection of a specific immunoresponse. We review here the immunological tests used for the diagnosis of cattle brucellosis. First, we discuss how the diagnostic sensitivity (DSe) and specificity (DSp), balance should be adjusted for brucellosis diagnosis, and the difficulties that brucellosis tests specifically present for the estimation of DSe/DSp in frequentistic (gold standard) and Bayesian analyses...
March 1, 2018: Preventive Veterinary Medicine
S W Zuo, Z L Ni, Y B Yao, R S Yang, S K Wang, Y H Zhou
Objective: To investigate the antimicrobial susceptibility of Brucella and to provide a scientific basis for rational drug use and effective treatment of patients with brucellosis. Methods: A total of 41 Brucella strains were isolated from the blood of patients with brucellosis in 5 counties and 2 districts in Yuxi City, China from 2014 to 2016. The susceptibility to 23 antimicrobial drugs was tested using Kirby-Bauer (K-B) disk diffusion method and the sizes of antimicrobial rings were recorded. The susceptibility testing results were interpreted according to the Drug Susceptibility Testing Guideline (2009 version) ...
December 20, 2017: Chinese Journal of Industrial Hygiene and Occupational Diseases
Man Li, Xingang Zhou, Jingjing Li, Lei Sun, Xiangmei Chen, Peng Wang
It is difficult to diagnose brucellar spondylitis because of its nonspecific clinical, radiological, and histological characteristics. This study aimed to determine whether real-time polymerase chain reaction (PCR) using formalin-fixed paraffin-embedded (FFPE) tissues was superior to conventional serum-based methods for diagnosing brucellar spondylitis.This retrospective study included 31 patients with brucellosis and a control group of 20 people with no history of brucellosis or exposure to Brucella spp. Samples from all patients with brucellar spondylitis were evaluated using Giemsa staining, the standard tube agglutination (STA) test, blood culture, and real-time PCR...
March 2018: Medicine (Baltimore)
Emine Emel Koçman, Memnune Selda Erensoy, Meltem Taşbakan, Meltem Çiçeklioğlu
Background/aim: It was aimed to evaluate the results of Rose Bengal (RB), ELISA total tests (IgM and IgG), and the Brucella Coombs gel test (BCGT), which are used as screening tests, with the combined results of a tube agglutination test (standard Wright test: SWT) and a tube agglutination test with antihuman globulin (AHG TAT). Materials and methods: Samples from 97 patients prediagnosed with brucellosis (age ≥18 years) were screened with RB, ELISA, and BCGT. SWT < 160 samples and RB-negative but ELISA- or BCGT-positive samples were tested by AHG TAT...
February 23, 2018: Turkish Journal of Medical Sciences
Hassen Chaka, Gezahegn Aboset, Abebe Garoma, Balako Gumi, Eric Thys
A cross-sectional survey was carried out to investigate the seroprevalence of ovine and bovine brucellosis in the livestock-wildlife interface area of Nechisar National Park, Ethiopia. Furthermore, producer's knowledge about brucellosis and its zoonotic potential was assessed using a structured questionnaire. A total of 268 cattle and 246 goat sera were collected from 50 herds and 46 flocks and subjected to Rose Bengal test (RBT) and enzyme-linked immunosorbent assay (ELISA) in parallel to detect anti-Brucella species antibodies...
February 24, 2018: Tropical Animal Health and Production
Jiang Y Zeng, Dor J Ciren, Dun Z Yundan, Qiong Pu, Cai W Gongjue, Dor J Jiumei, Ian D Robertson
Background: Little information is available regarding the knowledge, attitudes and practices (KAP) of the owners of yaks in Tibet with respect to brucellosis. Methods: This manuscript reports on the results of a cross-sectional survey using a structured questionnaire investigating the KAP of 317 yak herders from 34 villages in the three main yak-rearing counties of Maizhokunggar, Damxung and Yadong from April to August 2015. Results: Although 60...
February 17, 2018: International Health
Fanjie Meng, Xiangpo Pan, Wenzhen Tong
Brucellosis is a zoonotic disease with a high morbidity in developing countries, but there the optimal treatment is not yet determined. Therefore, the development of a simple and effective treatment is important. The aim of this study was to summarize the available evidences and compare rifampicin with streptomycin in human brucellosis with doxycycline as background regimen. We systematically searched PubMed, EmBase, and the Cochrane Library from their inception up through December 2016. We included studies with a randomized controlled design that evaluated the effect of streptomycin compared with rifampicin in human brucellosis patients who received doxycycline therapy as background regimen...
2018: PloS One
M E Peck, K Chanachai, C Jenpanich, A Amonsin, B H Alexander, J B Bender
In Thailand, brucellosis re-emerged in humans in 2003 and is considered a public health risk to goat farmers as the disease is endemic in small ruminants. The Thai Department of Livestock Development (DLD) established a nationwide surveillance system for brucellosis in goats and sheep in 1997. Using data from this surveillance system, we describe the seroprevalence of brucellosis from 2013 to 2015 in small ruminants and the spatial distribution of the disease throughout Thailand. Surveillance data collected included the number of animals and herds tested, the province of the animal and herd and the laboratory results...
February 19, 2018: Transboundary and Emerging Diseases
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