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https://www.readbyqxmd.com/read/28931242/pfhrp2-deletions-in-the-democratic-republic-of-congo-evidence-of-absence-or-absence-of-evidence
#1
Charles J Woodrow, Caterina Fanello
No abstract text is available yet for this article.
August 15, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28930583/ibuprofen-as-a-template-molecule-for-drug-design-against-ebola-virus
#2
Slobodan Paessler, Cheng Huang, Milan Sencanski, Nevena Veljkovic, Vladimir Perovic, Sanja Glisic, Veljjko Veljkovic
The Ebola virus outbreak in West Africa 2015 and Congo 2017, point out an urgent need for development of drugs against this important pathogen. Previously, by repurposing virtual screening of 6438 drugs from DrugBank, ibuprofen was selected as a possible inhibitor of the Ebola virus infection. The results of an additional docking analysis as well as experimental results showing measurable anti-Ebola effect of ibuprofen in cell culture suggest ibuprofen as a promising molecular template for the development of drugs for treatment of the infection by Ebola virus...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28929930/child-mortality-and-poverty-in-three-world-regions-the-west-asia-and-sub-saharan-africa-1988-2010-evidence-of-relative-intra-regional-neglect
#3
Colin Pritchard, Steven Keen
AIMS: Poverty kills children. This study assesses the relationship between poverty and child mortality rates (CMRs) in 71 societies from three world regions to determine whether some countries, relative to their region, neglect their children. METHODS: Spearman rank order correlations were calculated to determine any association between the CMR and poverty data, including income inequality and gross national income. A current CMR one standard deviation (SD) above or below the regional average and a percentage change between 1988 and 2010 were used as the measures to assess the progress of nations...
December 2016: Scandinavian Journal of Public Health
https://www.readbyqxmd.com/read/28929088/microbial-invasion-vs-tick-immune-regulation
#4
REVIEW
Daniel E Sonenshine, Kevin R Macaluso
Ticks transmit a greater variety of pathogenic agents that cause disease in humans and animals than any other haematophagous arthropod, including Lyme disease, Rocky Mountain spotted fever, human granulocytic anaplasmosis, babesiosis, tick-borne encephalitis, Crimean Congo haemorhagic fever, and many others (Gulia-Nuss et al., 2016). Although diverse explanations have been proposed to explain their remarkable vectorial capacity, among the most important are their blood feeding habit, their long term off-host survival, the diverse array of bioactive molecules that disrupt the host's natural hemostatic mechanisms, facilitate blood flow, pain inhibitors, and minimize inflammation to prevent immune rejection (Hajdušek et al...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28926601/utility-of-abdominal-skin-plus-subcutaneous-fat-and-rectal-mucosal-biopsy-in-the-diagnosis-of-al-amyloidosis-with-renal-involvement
#5
Ting Li, Xianghua Huang, Shuiqin Cheng, Liang Zhao, Guisheng Ren, Wencui Chen, Qingwen Wang, Caihong Zeng, Zhihong Liu
OBJECTIVES: Skin fat biopsy of the abdominal wall is a simple and safe method for detecting amyloidosis, and rectal mucosal biopsy is also frequently used for screening for the disease; however, the sensitivity of these approaches has not been fully studied. The aim of this study was to evaluate the efficacy of skin fat biopsy combined with rectal mucosal biopsy as a screening procedure for the diagnosis of systemic immunoglobulin light-chain (AL) amyloidosis. METHODS: We retrospectively analyzed 224 AL amyloidosis patients confirmed by renal biopsy, including a test group of 165 patients and validation group of 59 patients...
2017: PloS One
https://www.readbyqxmd.com/read/28925408/liver-volume-and-hepatic-adiposity-in-childhood-relations-to-body-growth-and-visceral-fat
#6
R Malpique, J Bassols, A López-Bermejo, M Diaz, F Villarroya, J Pavia, A Congo, F de Zegher, L Ibáñez
BACKGROUND AND OBJECTIVE: The sequence of prenatal growth restraint and postnatal catch-up growth may lead to hepato-visceral adiposity, insulin resistance and low-grade inflammation before the onset of puberty. In prepubertal children born appropriate for gestational age (AGA) or small for gestational age (SGA), we assessed potential relationships between the aforementioned sequence and liver volume. SUBJECTS/METHODS: The study population consisted of 86 children (41 AGA and 45 SGA with catch-up growth; age (mean±s...
August 14, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28923093/effects-of-improved-sanitation-on-diarrheal-reduction-for-children-under-five-in-idiofa-dr-congo-a-cluster-randomized-trial
#7
Seungman Cha, JaeEun Lee, DongSik Seo, Byoung Mann Park, Paul Mansiangi, Kabore Bernard, Guy Jerome Nkay Mulakub-Yazho, Honore Minka Famasulu
BACKGROUND: The lack of safe water and sanitation contributes to the rampancy of diarrhea in many developing countries. METHODS: This study describes the design of a cluster-randomized trial in Idiofa, the Democratic Republic of the Congo, seeking evidence of the impact of improved sanitation on diarrhea for children under four. Of the 276 quartiers, 18 quartiers were randomly allocated to the intervention or control arm. Seven hundred and-twenty households were sampled and the youngest under-four child in each household was registered for this study...
September 19, 2017: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/28922426/a-dna-vaccine-for-crimean-congo-hemorrhagic-fever-protects-against-disease-and-death-in-two-lethal-mouse-models
#8
Aura R Garrison, Charles J Shoemaker, Joseph W Golden, Collin J Fitzpatrick, John J Suschak, Michelle J Richards, Catherine V Badger, Carolyn M Six, Jacqueline D Martin, Drew Hannaman, Marko Zivcec, Eric Bergeron, Jeffrey W Koehler, Connie S Schmaljohn
Crimean-Congo hemorrhagic fever virus (CCHFV) is a tick-borne virus capable of causing a severe hemorrhagic fever disease in humans. There are currently no licensed vaccines to prevent CCHFV-associated disease. We developed a DNA vaccine expressing the M-segment glycoprotein precursor gene of CCHFV and assessed its immunogenicity and protective efficacy in two lethal mouse models of disease: type I interferon receptor knockout (IFNAR-/-) mice; and a novel transiently immune suppressed (IS) mouse model. Vaccination of mice by muscle electroporation of the M-segment DNA vaccine elicited strong antigen-specific humoral immune responses with neutralizing titers after three vaccinations in both IFNAR-/- and IS mouse models...
September 18, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28922369/crimean-congo-hemorrhagic-fever-virus-nucleocapsid-protein-has-dual-rna-binding-modes
#9
Subbiah Jeeva, Sean Pador, Brittany Voss, Safder Saieed Ganaie, Mohammad Ayoub Mir
Crimean Congo hemorrhagic fever, a zoonotic viral disease, has high mortality rate in humans. There is currently no vaccine for Crimean Congo hemorrhagic fever virus (CCHFV) and chemical interventions are limited. The three negative sense genomic RNA segments of CCHFV are specifically encapsidated by the nucleocapsid protein into three ribonucleocapsids, which serve as templates for the viral RNA dependent RNA polymerase. Here we demonstrate that CCHFV nucleocapsid protein has two distinct binding modes for double and single strand RNA...
2017: PloS One
https://www.readbyqxmd.com/read/28920177/molecular-detection-of-crimean-congo-hemorrhagic-fever-virus-in-ticks-greece-2012-2014
#10
Anna Papa, Anastasia Kontana, Katerina Tsioka, Ilias Chaligiannis, Smaragda Sotiraki
Crimean-Congo hemorrhagic fever virus (CCHFV) is transmitted to humans mainly through the bite of infected ticks. In Greece, only one clinical case has been observed, in 2008, but the seroprevalence in humans is relatively high (4.2%). To have a first insight into the circulation of CCHFV in Greece, 2000 ticks collected from livestock during 2012-2014 were tested. CCHFV was detected in 36 of the 1290 (2.8%) tick pools (1-5 ticks per pool). Two genetic lineages were identified: Europe 1 and Europe 2. Most Europe 1 sequences were obtained from Rhipicephalus sanguineus sensu lato ticks, while most Europe 2 sequences were recovered from Rhipicephalus bursa ticks...
September 17, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28918067/corrigendum-to-malaria-surveillance-in-the-democratic-republic-of-the-congo-comparison-of-microscopy-pcr-and-rapid-diagnostic-test-diagn-microbiol-infect-dis-2016-may-85-1-16-8-doi-10-1016-j-diagmicrobio-2016-01-004-epub-2016-jan-9
#11
Stephanie M Doctor, Yunhao Liu, Amy Whitesell, Kyaw L Thwai, Steve M Taylor, Mark Janko, Michael Emch, Melchior Kashamuka, Jérémie Muwonga, Antoinette Tshefu, Steven R Meshnick
No abstract text is available yet for this article.
September 13, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/28917211/bactericidal-and-catalytic-performance-of-green-nanocomposite-based-on-chitosan-carbon-black-fiber-supported-monometallic-and-bimetallic-nanoparticles
#12
Fayaz Ali, Sher Bahadar Khan, Tahseen Kamal, Yasir Anwar, Khalid A Alamry, Abdullah M Asiri
Nanoparticles were synthesized on the surface of green nanocomposite based on carbon black dispersed in chitosan (CB-CS) fibres. The nanoparticles were monometallic Co, Ag and Cu and bimetallic Co + Cu and Co + Ag. The CB-CS fibres were prepared and introduced into separate metal salt solutions containing Co(2+), Ag(+) and Cu(2+) and mixed Co(2+)+Cu(2+) and Co(2+)+Ag(+) ions. The metal ions immobilized on the surface of CB-CS were reduced using sodium borohydride (NaBH4) as reducing agent to synthesize the corresponding zero-valent metal nanoparticles-loaded CB-CS fibres...
August 28, 2017: Chemosphere
https://www.readbyqxmd.com/read/28915482/nickel-nanoparticles-encapsulated-in-porous-carbon-and-carbon-nanotube-hybrids-from-bimetallic-metal-organic-frameworks-for-highly-efficient-adsorption-of-dyes
#13
Lina Jin, Xiaoshuang Zhao, Xinye Qian, Mingdong Dong
Nickel nanoparticles encapsulated in porous carbon/carbon nanotube hybrids (Ni/PC-CNT) were successfully prepared by a facile carbonization process using Ni/Zn-MOF as the precursor. Distinct from previous studies, Ni/Zn-MOF precursors were prepared via a direct precipitation method at room temperature for only 5min. After the carbonization, magnetic Ni nanoparticles were well embedded in the porous carbon and carbon nanotube. The obtained Ni/PC-CNT composites had a high surface area (999m(2) g(-1)), large pore volume (0...
September 6, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28913868/alterations-of-c-di-gmp-turnover-proteins-modulate-semi-constitutive-rdar-biofilm-formation-in-commensal-and-uropathogenic-escherichia-coli
#14
Annika Cimdins, Roger Simm, Fengyang Li, Petra Lüthje, Kaisa Thorell, Åsa Sjöling, Annelie Brauner, Ute Römling
Agar plate-based biofilm of enterobacteria like Escherichia coli is characterized by expression of the extracellular matrix components amyloid curli and cellulose exopolysaccharide, which can be visually enhanced upon addition of the dye Congo Red, resulting in a red, dry, and rough (rdar) colony morphology. Expression of the rdar morphotype depends on the transcriptional regulator CsgD and occurs predominantly at ambient temperature in model strains. In contrast, commensal and pathogenic isolates frequently express the csgD-dependent rdar morphotype semi-constitutively, also at human host body temperature...
September 15, 2017: MicrobiologyOpen
https://www.readbyqxmd.com/read/28903757/access-to-medicines-and-hepatitis-c-in-africa-can-tiered-pricing-and-voluntary-licencing-assure-universal-access-health-equity-and-fairness
#15
Yibeltal Assefa, Peter S Hill, Anar Ulikpan, Owain D Williams
BACKGROUND: The recent introduction of Direct Acting Antivirals (DAAs) for treating Hepatitis C Virus (HCV) can significantly assist in the world reaching the international target of elimination by 2030. Yet, the challenge facing many individuals and countries today lies with their ability to access these treatments due to their relatively high prices. Gilead Sciences applies differential pricing and licensing strategies arguing that this provides fairer and more equitable access to these life-saving medicines...
September 13, 2017: Globalization and Health
https://www.readbyqxmd.com/read/28900424/the-impact-of-the-staphylococcus-aureus-virulome-on-infection-in-a-developing-country-a-cohort-study
#16
Marthe Lebughe, Patrick Phaku, Silke Niemann, Dieudonné Mumba, Georg Peters, Jean-Jacques Muyembe-Tamfum, Alexander Mellmann, Lena Strauß, Frieder Schaumburg
We performed a cohort study to analyze the virulome of Staphylococcus aureus from the Democratic Republic of the Congo using whole genome sequencing and to assess its impact on the course of S. aureus infections. Community-associated S. aureus from nasal colonization (n = 100) and infection (n = 86) were prospectively collected. Phenotypic susceptibility testing and WGS was done for each isolate. WGS data were used to screen for 79 different virulence factors and for genotyping purposes (spa typing, multilocus sequence typing)...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28894977/varicella-coinfection-in-patients-with-active-monkeypox-in-the-democratic-republic-of-the-congo
#17
Nicole A Hoff, Douglas S Morier, Neville K Kisalu, Sara C Johnston, Reena H Doshi, Lisa E Hensley, Emile Okitolonda-Wemakoy, Jean Jacques Muyembe-Tamfum, James O Lloyd-Smith, Anne W Rimoin
From 2006 to 2007, an active surveillance program for human monkeypox (MPX) in the Democratic Republic of the Congo identified 151 cases of coinfection with monkeypox virus and varicella zoster virus from 1158 suspected cases of human MPX (13%). Using clinical and socio-demographic data collected with standardized instruments by trained, local nurse supervisors, we examined a variety of hypotheses to explain the unexpectedly high proportion of coinfections among the sample, including the hypothesis that the two viruses occur independently...
September 11, 2017: EcoHealth
https://www.readbyqxmd.com/read/28892474/enhancing-case-definitions-for-surveillance-of-human-monkeypox-in-the-democratic-republic-of-congo
#18
Lynda Osadebe, Christine M Hughes, Robert Shongo Lushima, Joelle Kabamba, Beatrice Nguete, Jean Malekani, Elisabeth Pukuta, Stomy Karhemere, Jean-Jacques Muyembe Tamfum, Emile Wemakoy Okitolonda, Mary G Reynolds, Andrea M McCollum
BACKGROUND: Human monkeypox (MPX) occurs at appreciable rates in the Democratic Republic of Congo (DRC). Infection with varicella zoster virus (VZV) has a similar presentation to that of MPX, and in areas where MPX is endemic these two illnesses are commonly mistaken. This study evaluated the diagnostic utility of two surveillance case definitions for MPX and specific clinical characteristics associated with laboratory-confirmed MPX cases. METHODOLOGY/PRINCIPAL FINDINGS: Data from a cohort of suspect MPX cases (identified by surveillance over the course of a 42 month period during 2009-2014) from DRC were used; real-time PCR diagnostic test results were used to establish MPX and VZV diagnoses...
September 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28892473/a-multi-center-field-study-of-two-point-of-care-tests-for-circulating-wuchereria-bancrofti-antigenemia-in-africa
#19
Cédric B Chesnais, Naomi-Pitchouna Awaca-Uvon, Fatoma K Bolay, Michel Boussinesq, Peter U Fischer, Lincoln Gankpala, Aboulaye Meite, François Missamou, Sébastien D Pion, Gary J Weil
BACKGROUND: The Global Programme to Eliminate Lymphatic Filariasis uses point-of-care tests for circulating filarial antigenemia (CFA) to map endemic areas and for monitoring and evaluating the success of mass drug administration (MDA) programs. We compared the performance of the reference BinaxNOW Filariasis card test (ICT, introduced in 1997) with the Alere Filariasis Test Strip (FTS, introduced in 2013) in 5 endemic study sites in Africa. METHODOLOGY: The tests were compared prior to MDA in two study sites (Congo and Côte d'Ivoire) and in three sites that had received MDA (DRC and 2 sites in Liberia)...
September 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28889298/semiquantitative-analysis-of-the-red-dry-and-rough-colony-morphology-of-salmonella-enterica-serovar-typhimurium-and-escherichia-coli-using-congo-red
#20
Annika Cimdins, Roger Simm
The Congo Red (CR) assay is a standard biofilm test assessing the colony morphology of bacteria growing on agar plates supplemented with the diazo dye Congo Red. Biofilm forming Salmonella enterica serovar Typhimurium and Escherichia coli produce a red, dry, and rough (rdar) morphotype on CR-plates. The phenotype is characterized by staining of the extracellular matrix components curli (brown color) and cellulose (pink color) by CR. This method allows semiquantitative determination of the expression level of the individual matrix components and dissection of the regulatory networks controlling their production in response to c-di-GMP levels...
2017: Methods in Molecular Biology
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