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https://www.readbyqxmd.com/read/29165231/sequence-optimized-real-time-reverse-transcription-polymerase-chain-reaction-assay-for-detection-of-crimean-congo-hemorrhagic-fever-virus
#1
Jeffrey W Koehler, Korey L Delp, Adrienne T Hall, Scott P Olschner, Brian J Kearney, Aura R Garrison, Louis A Altamura, Cynthia A Rossi, Timothy D Minogue
Crimean-Congo hemorrhagic fever virus (CCHFV) is a tick-borne virus of the genus Nairovirus within the family Bunyaviridae. Infection can result in general myalgia, fever, and headache with some patients developing hemorrhagic fever with mortality rates ranging from 5% to 30%. CCHFV has a wide geographic range that includes Africa, Asia, the Middle East, and Europe with nucleotide sequence variation approaching 20% across the three negative-sense RNA genome segments. While phylogenetic clustering generally aligns with geographic origin of individual strains, distribution can be wide due to tick/CCHFV dispersion via migrating birds...
November 20, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29164211/various-polyoxomolybdate-based-hybrids-induced-by-ph-and-solvents-structures-adsorption-activities-for-dyes-and-bifunctional-electrocatalytic-properties
#2
Xiuli Wang, Shan Zhang, Xiang Wang, Guocheng Liu, Hongyan Lin, Huixiu Zhang
By changing the pH values and solvents of reaction systems, four polyoxomolybdate-based compounds, [CoL(H2O)2][β-Mo8O26]0.5 (1), {[Co2L2(H2O)3][Mo7O23]}·3H2O (2), [Co2L3][δ-Mo8O26]0.5[β-Mo8O26]0.5·10H2O (3), [Co2L3][H4Mo8O28]·4DMA·2H2O (4), (L = 1,3-bis(1H-imidazole-4-carboxamido)metaphenylene, DMA = N,N'-dimethylacetamide), have been synthesized in the presence of the Co(2+) ion, L ligand and Mo7O24(6-). Compounds 1 and 2 were obtained under hydrothermal conditions; the different pH values result in two kinds of polyoxomolybdate anions, [β-Mo8O26](4-) in 1 and [Mo14O46](8-) in 2, and the similar [CoL(H2O)2](2+) or [Co2L2(H2O)3](4+) metal-organic chains...
November 22, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/29159591/evaluation-of-the-associations-between-endothelial-dysfunction-inflammation-and-coagulation-in-crimean-congo-hemorrhagic-fever-patients
#3
Halef Okan Doğan, Seyit Ali Büyüktuna, Sercan Kapancik, Sevtap Bakir
Crimean-Congo hemorrhagic fever (CCHF) is a tick-borne zoonotic viral disease. The aim of this study was to evaluate the association between inflammation, coagulation and endothelial dysfunction in CCHF. The study population consisted of 40 patients and 50 healthy controls. Alanine aminotransferase (ALT), aspartate aminotransferase (AST), endocan, high sensitive C-reactive protein (hsCRP), international normalized ratio (INR), prothrombin time (PT), activated partial thromboplastin time (aPTT) and platelets values were determined in blood samples...
November 20, 2017: Archives of Virology
https://www.readbyqxmd.com/read/29159423/characterizing-pediatric-surgical-capacity-in-the-eastern-democratic-republic-of-congo-results-of-a-pilot-study
#4
Sarah B Cairo, Luc Malemo Kalisya, Richard Bigabwa, David H Rothstein
PURPOSE: Characterize pediatric surgical capacity in the eastern Democratic Republic of Congo (DRC) to identify areas of potential improvement. METHODS: The Pediatric Personnel, Infrastructure, Procedures, Equipment, and Supplies (PediPIPES) survey was used in two representative eastern DRC provinces to assess existing surgical infrastructure and capacity. We compared our results to previously published reports from other sub-Saharan African countries. RESULTS: Fourteen hospitals in the eastern DRC and 37 in 19 sub-Saharan African (SSA) countries were compared...
November 20, 2017: Pediatric Surgery International
https://www.readbyqxmd.com/read/29159319/co-circulation-of-crimean-congo-hemorrhagic-fever-virus-strains-asia-1-and-2-between-the-border-of-iran-and-pakistan
#5
Nariman Shahhosseini, Ahmad Jafarbekloo, Zakkyeh Telmadarraiy, Sadegh Chinikar, Ali Haeri, Norbert Nowotny, Martin H Groschup, Anthony R Fooks, Faezeh Faghihi
Crimean-Congo Hemorrhagic Fever (CCHF) is a tick-borne viral disease that is transmitted by numerous species of ticks, which serve both as a reservoir and vector of CCHF virus (CCHFV). Molecular and serological tests were undertaken on hard ticks (Ixodidae spp.) and samples from livestock were collected in 2015 from Chabahar County in Southeast Iran. Using RT-PCR, the ticks were tested for the presence of CCHFV. In addition, seven livestock were serologically tested for the presence of IgG antibodies using an ELISA test...
November 2017: Heliyon
https://www.readbyqxmd.com/read/29158864/-chronic-kidney-disease-associated-factors-etiologies-clinical-and-biological-parameters-at-lubumbashi-city-in-democratic-republic-of-congo
#6
Serge Muleka Ngoie, Philippe Mulenga, Olivier Mukuku, Christian Ngama Kakisingi, Cédrick Milindi Sangwa, Pascal Tshimwang Nawej, Claude Mulumba Mwamba, Dophra Nkulu Ngoy, Faustin Wa Pa Manda Muteta
Introduction: Chronic kidney disease is fast becoming a worldwide public health problem due to the increase of hypertension and diabetes mellitus, its main risk factors. In countries like DRC where majority of population are in the low income bracket, very few studies about this disease, usually diagnosed at a very advanced stage have been conducted. As a result of such, cases are not always properly taken care of and managed. Methods: We opted for a descriptive cross-sectional study and it was conducted during the period from July 2014 to July 2015 at CMDC dialysis service...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/29158512/wild-bonobos-host-geographically-restricted-malaria-parasites-including-a-putative-new-laverania-species
#7
Weimin Liu, Scott Sherrill-Mix, Gerald H Learn, Erik J Scully, Yingying Li, Alexa N Avitto, Dorothy E Loy, Abigail P Lauder, Sesh A Sundararaman, Lindsey J Plenderleith, Jean-Bosco N Ndjango, Alexander V Georgiev, Steve Ahuka-Mundeke, Martine Peeters, Paco Bertolani, Jef Dupain, Cintia Garai, John A Hart, Terese B Hart, George M Shaw, Paul M Sharp, Beatrice H Hahn
Malaria parasites, though widespread among wild chimpanzees and gorillas, have not been detected in bonobos. Here, we show that wild-living bonobos are endemically Plasmodium infected in the eastern-most part of their range. Testing 1556 faecal samples from 11 field sites, we identify high prevalence Laverania infections in the Tshuapa-Lomami-Lualaba (TL2) area, but not at other locations across the Congo. TL2 bonobos harbour P. gaboni, formerly only found in chimpanzees, as well as a potential new species, Plasmodium lomamiensis sp...
November 21, 2017: Nature Communications
https://www.readbyqxmd.com/read/29155823/development-and-preliminary-evaluation-of-a-multiplexed-amplification-and-next-generation-sequencing-method-for-viral-hemorrhagic-fever-diagnostics
#8
Annika Brinkmann, Koray Ergünay, Aleksandar Radonić, Zeliha Kocak Tufan, Cristina Domingo, Andreas Nitsche
BACKGROUND: We describe the development and evaluation of a novel method for targeted amplification and Next Generation Sequencing (NGS)-based identification of viral hemorrhagic fever (VHF) agents and assess the feasibility of this approach in diagnostics. METHODOLOGY: An ultrahigh-multiplex panel was designed with primers to amplify all known variants of VHF-associated viruses and relevant controls. The performance of the panel was evaluated via serially quantified nucleic acids from Yellow fever virus, Rift Valley fever virus, Crimean-Congo hemorrhagic fever (CCHF) virus, Ebola virus, Junin virus and Chikungunya virus in a semiconductor-based sequencing platform...
November 20, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29155738/imaging-amyloid-tissues-stained-with-luminescent-conjugated-oligothiophenes-by-hyperspectral-confocal-microscopy-and-fluorescence-lifetime-imaging
#9
Sofie Nyström, Marcus Bäck, K Peter R Nilsson, Per Hammarström
Proteins that deposit as amyloid in tissues throughout the body can be the cause or consequence of a large number of diseases. Among these we find neurodegenerative diseases such as Alzheimer's and Parkinson's disease afflicting primarily the central nervous system, and systemic amyloidosis where serum amyloid A, transthyretin and IgG light chains deposit as amyloid in liver, carpal tunnel, spleen, kidney, heart, and other peripheral tissues. Amyloid has been known and studied for more than a century, often using amyloid specific dyes such as Congo red and Thioflavin T (ThT) or Thioflavin (ThS)...
October 20, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29155663/frameworks-for-preventing-detecting-and-controlling-zoonotic-diseases
#10
Miriam L Shiferaw, Jeffrey B Doty, Giorgi Maghlakelidze, Juliette Morgan, Ekaterine Khmaladze, Otar Parkadze, Marina Donduashvili, Emile Okitolonda Wemakoy, Jean-Jacques Muyembe, Leopold Mulumba, Jean Malekani, Joelle Kabamba, Theresa Kanter, Linda Lucy Boulanger, Abraham Haile, Abyot Bekele, Meseret Bekele, Kasahun Tafese, Andrea A McCollum, Mary G Reynolds
Preventing zoonotic diseases requires coordinated actions by government authorities responsible for human and animal health. Constructing the frameworks needed to foster intersectoral collaboration can be approached in many ways. We highlight 3 examples of approaches to implement zoonotic disease prevention and control programs. The first, rabies control in Ethiopia, was implemented using an umbrella approach: a comprehensive program designed for accelerated impact. The second, a monkeypox program in Democratic Republic of the Congo, was implemented in a stepwise manner, whereby incremental improvements and activities were incorporated into the program...
December 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/29152581/the-candida-albicans-tor-activating-gtpases-gtr1-and-rhb1-coregulate-starvation-responses-and-biofilm-formation
#11
Peter R Flanagan, Ning-Ning Liu, Darren J Fitzpatrick, Karsten Hokamp, Julia R Köhler, Gary P Moran
Target of rapamycin complex 1 (TORC1) is an essential regulator of metabolism in eukaryotic cells and in the fungal pathogen Candida albicans regulates morphogenesis and nitrogen acquisition. Gtr1 encodes a highly conserved GTPase that in Saccharomyces cerevisiae regulates nitrogen sensing and TORC1 activation. Here, we characterize the role of C. albicans GTR1 in TORC1 activation and compare it with the previously characterized GTPase Rhb1. A homozygous gtr1/gtr1 mutant exhibited impaired TORC1-mediated phosphorylation of ribosomal protein S6 and increased susceptibility to rapamycin...
November 2017: MSphere
https://www.readbyqxmd.com/read/29149843/characterization-of-a-novel-bioflocculant-from-a-marine-bacterium-and-its-application-in-dye-wastewater-treatment
#12
Zhen Chen, Zhipeng Li, Peize Liu, Yu Liu, Yuanpeng Wang, Qingbiao Li, Ning He
BACKGROUND: The identification of microorganisms with excellent flocculant-producing capability and optimization of the fermentation process are necessary for the wide-scale application of bioflocculants. Thus, we evaluated the flocculant-producing ability of a novel strain identified by the screening of marine bacteria, and we report for the first time the properties of the bioflocculant produced by Alteromonas sp. in the treatment of dye wastewater. RESULTS: A bioflocculant-producing bacterium was isolated from seawater and identified as Alteromonas sp...
November 17, 2017: BMC Biotechnology
https://www.readbyqxmd.com/read/29149314/how-the-introduction-of-a-human-resources-information-system-helped-the-democratic-republic-of-congo-to-mobilise-domestic-resources-for-an-improved-health-workforce
#13
Jean-Robert Likofata Esanga, Claire Viadro, Leah McManus, Jennifer Wesson, Nicaise Matoko, Epiphane Ngumbu, Kate E Gilroy, Daren Trudeau
The Democratic Republic of Congo has flagged health workforce management and compensation as issues requiring attention, including the problem of ghost workers (individuals on payroll who do not exist and/or show up at work). Recognising the need for reliable health workforce information, the government has worked to implement iHRIS, an open source human resources information system that facilitates health workforce management. In Kasaï Central and Kasaï Provinces, health workers brought relevant documentation to data collection points, where trained teams interviewed them and entered contact information, identification, photo, current job, and employment and education history into iHRIS on laptops...
November 1, 2017: Health Policy and Planning
https://www.readbyqxmd.com/read/29148370/phylogenetic-characterization-of-crimean-congo-hemorrhagic-fever-virus-spain
#14
Eva Ramírez de Arellano, Lourdes Hernández, M José Goyanes, Marta Arsuaga, Ana Fernández Cruz, Anabel Negredo, María Paz Sánchez-Seco
Two cases of Crimean-Congo hemorrhagic fever were reported in Spain during 2016. We obtained the virus from a patient sample and characterized its full genomic sequence. Phylogenetic analysis indicated that the virus corresponds to the African genotype III, which includes viruses previously found in West and South Africa.
December 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/29145129/high-contamination-in-the-areas-surrounding-abandoned-mines-and-mining-activities-an-impact-assessment-of-the-dilala-luilu-and-mpingiri-rivers-democratic-republic-of-the-congo
#15
Emmanuel K Atibu, Pierre Lacroix, Periyasamy Sivalingam, Nicolas Ray, Gregory Giuliani, Crispin K Mulaji, Jean-Paul Otamonga, Pius T Mpiana, Vera I Slaveykova, John Poté
Abandoned mines and mining activities constitute important sources of toxic metals and Rare Earth Elements (REEs) affecting surrounding environmental compartments and biota. This study investigates the contamination degree and distribution of toxic metals and REEs in contrasting sediment, soil and plant samples surrounding rivers in the African copperbelt area characterized by the presence of numerous abandoned mines, artisanal and industrial mining activities. ICP-MS results highlighted the highest concentration of Cu, Co and Pb in sediments reaching values of 146,801, 18,434 and 899 mg kg(-1), respectively...
October 21, 2017: Chemosphere
https://www.readbyqxmd.com/read/29143637/impact-of-malaria-interventions-on-child-mortality-in-endemic-african-settings-comparison-and-alignment-between-list-and-spectrum-malaria-model
#16
Eline Korenromp, Matthew Hamilton, Rachel Sanders, Guy Mahiané, Olivier J T Briët, Thomas Smith, William Winfrey, Neff Walker, John Stover
BACKGROUND: In malaria-endemic countries, malaria prevention and treatment are critical for child health. In the context of intervention scale-up and rapid changes in endemicity, projections of intervention impact and optimized program scale-up strategies need to take into account the consequent dynamics of transmission and immunity. METHODS: The new Spectrum-Malaria program planning tool was used to project health impacts of Insecticide-Treated mosquito Nets (ITNs) and effective management of uncomplicated malaria cases (CMU), among other interventions, on malaria infection prevalence, case incidence and mortality in children 0-4 years, 5-14 years of age and adults...
November 7, 2017: BMC Public Health
https://www.readbyqxmd.com/read/29143618/using-the-missed-opportunity-tool-as-an-application-of-the-lives-saved-tool-list-for-intervention-prioritization
#17
Yvonne Tam, Luwei Pearson
BACKGROUND: The Missed Opportunity tool was developed as an application in the Lives Saved Tool (LiST) to allow users to quickly compare the relative impact of interventions. Global Financing Facility (GFF) investment cases have been identified as a potential application of the Missed Opportunity analyses in Democratic Republic of the Congo (DRC), Ethiopia, Kenya, and Tanzania, to use 'lives saved' as a normative factor to set priorities. METHODS: The Missed Opportunity analysis draws on data and methods in LiST to project maternal, stillbirth, and child deaths averted based on changes in interventions' coverage...
November 7, 2017: BMC Public Health
https://www.readbyqxmd.com/read/29143574/investigating-the-preventive-effects-of-baicalin-and-gallocatechin-aginst-glyoxal-induced-cystatin-aggregation
#18
Aamir Sohail, Waseem Feeroze Bhat, Mohammad Furkan, Aaliya Shah, Bilqees Bano
Several mammalian proteins form pathological deposits under nonphysiological conditions that are associated with many degenerative diseases. Protein aggregation is associated with aging, as well as a variety of diseases, including cystic fibrosis, amyotrophic lateral sclerosis (ALS), and hypertrophic cardiomyopathy. There is a lack of any potential anti-amyloidogenic agents and therapeutics till date. Polyphenols have been accredited with myriad biological effects. An analysis of the effects of natural agents like baicalin (BC) and gallocatechin (GC) on aggregation process can open new avenues for the treatment of protein misfolding diseases...
November 16, 2017: Journal of Biomolecular Structure & Dynamics
https://www.readbyqxmd.com/read/29138654/syphilis-and-hiv-infections-among-pregnant-women-attending-antenatal-clinics-in-republic-of-congo
#19
Roch Fabien Niama, Nadia Claricelle Loukabou Bongolo, Edith Sophie Bayonne Kombo, Ruth Yengo, Pembe Issamou Mayengue, Etoka-Beka Mandingha Kosso, Igor Louzolo, Lucette Macosso, Ghislain Dzeret, Angélie Serge Patrick Dzabatou Babeaux, Marie-Francke Puruehnce, Henri Joseph Parra
Introduction: HIV and syphilis during pregnancy remain a public health concern especially in developing countries. Pregnant women attending antenatal clinics sites for the first time between September and December 2011 and who accepted to participate in the study were enrolled. The objective was to estimate the syphilis and HIV infection rate in this population. Methods: A study was conducted in 44 selected ANCs from 12 departments (5 urban and 7 rural). Pregnant women who accepted to participate in the study, attending selected sentinel ANCs sites for the first time between September and December 2011 were enrolled...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/29137775/zno-zro2-nanocomposite-sonosynthesis-characterization-and-its-application-for-wastewater-treatment
#20
Shokufeh Aghabeygi, Mostafa Khademi-Shamami
ZnO/ZrO2 nanocomposites with different ZnO: ZrO2 molar ratios (2:1, 1:1, and 1:2)were prepared by sol gel approach under ultrasonic irradiation. For preparation of the nano-composites, the ZnO gel was directly incorporated into the ZrO2 gel at different molar ratios. The reaction mixture was stirred continuously for two days and then it was ultrasonoicated for 30min. The filtrated composite gel was washed, and then calcinated at 300°C in furnace for 3h. X-ray powder diffraction patterns exhibited well-formed crystal structures and pure crystalline phases in the synthesized nanoparticles (NPs)...
March 2018: Ultrasonics Sonochemistry
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