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https://www.readbyqxmd.com/read/28930586/drug-repurposing-approaches-to-fight-dengue-virus-infection-and-related-diseases
#1
Lorenzo Botta, Mirko Rivara, Valentina Zuliani, Marco Radi
Dengue is a mosquito-borne viral disease caused by four antigenically distinct serotypes of Dengue Virus (DENV), namely DENV1-4 and is currently considered the most important arthropod-born viral disease in the world. An effective antiviral therapy to treat Dengue Virus infection is still missing and a number of replicative cycle inhibitors are currently under study. Considering the rapid spreading of DENV and the common timeframe required for bringing a new drug on the market, the repurposing of approved drugs used for different diseases to identify novel inhibitors of this pathogen represents an attractive approach for a rapid therapeutic intervention...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28930546/tick-host-pathogen-systems-immunobiology-an-interactive-trio
#2
Stephen K Wikel
Significant new insights are being made into tick modulation of host immune defenses and the implications of those host defense changes on tick-borne pathogen transmission and establishment of infection. Understanding tick saliva complexity increased with construction and analyses of salivary gland cDNA libraries. High throughput next generation sequencing and advances in proteomics are revealing greater complexity of saliva, nature of gene families and differential gene expression patterns not previously attainable...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28929567/neonatal-bcg-vaccination-and-atopic-dermatitis-before-13-months-of-age-a-randomised-clinical-trial
#3
Lisbeth Marianne Thøstesen, Jesper Kjaergaard, Gitte Thybo Pihl, Nina Marie Birk, Thomas Nørrelykke Nissen, Peter Aaby, Aksel Karl Georg Jensen, Annette Wind Olesen, Lone Graff Stensballe, Dorthe Lisbeth Jeppesen, Christine Stabell Benn, Poul-Erik Kofoed
Studies have suggested that Bacillus Calmette-Guérin (BCG) vaccination may reduce the risk of allergic diseases, including atopic dermatitis. The Danish Calmette Study was conducted 2012-2015. Within 7 days of birth new-borns were randomised 1:1 to BCG or no BCG. Exclusion criteria were gestational age <32 weeks, birth weight <1000 g, known immunodeficiency or no Danish-speaking parent. Data were collected through telephone interviews and clinical examinations until 13 months. Clinical atopic dermatitis was diagnosed in 466/2,052 (22...
September 20, 2017: Allergy
https://www.readbyqxmd.com/read/28927677/std-nmr-experiments-identify-a-structural-motif-with-novel-second-site-activity-against-west-nile-virus-ns2b-ns3-protease
#4
Tobias Schöne, Lena Lisbeth Grimm, Naoki Sakai, Linlin Zhang, Rolf Hilgenfeld, Thomas Peters
West Nile virus (WNV) belongs to the genus Flavivirus of the family Flaviviridae. This mosquito-borne virus that is highly pathogenic to humans has been evolving into a global threat during the past two decades. Despite many efforts, neither antiviral drugs nor vaccines are available. The viral protease NS2B-NS3(pro) is essential for viral replication, and therefore it is considered a prime drug target. However, success in the development of specific NS2B-NS3(pro) inhibitors had been moderate so far. In the search for new structural motifs with binding affinity for NS2B-NS3(pro), we have screened a fragment library, the Maybridge Ro5 library, employing saturation transfer difference (STD) NMR experiments as readout...
September 16, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28927427/first-molecular-detection-and-characterization-of-zoonotic-bartonella-species-in-fleas-infesting-domestic-animals-in-tunisia
#5
Saba Zouari, Fatma Khrouf, Youmna M'ghirbi, Ali Bouattour
BACKGROUND: Bartonellosis is an emerging vector-borne disease caused by different intracellular bacteria of the genus Bartonella (Rhizobiales: Bartonellaceae) that is transmitted primarily by blood-sucking arthropods such as sandflies, ticks and fleas. In Tunisia, there are no data available identifying the vectors of Bartonella spp. In our research, we used molecular methods to detect and characterize Bartonella species circulating in fleas collected from domestic animals in several of the country's bioclimatic areas...
September 19, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28927393/the-complete-digital-workflow-in-fixed-prosthodontics-a-systematic-review
#6
Tim Joda, Fernando Zarone, Marco Ferrari
BACKGROUND: The continuous development in dental processing ensures new opportunities in the field of fixed prosthodontics in a complete virtual environment without any physical model situations. The aim was to compare fully digitalized workflows to conventional and/or mixed analog-digital workflows for the treatment with tooth-borne or implant-supported fixed reconstructions. METHODS: A PICO strategy was executed using an electronic (MEDLINE, EMBASE, Google Scholar) plus manual search up to 2016-09-16 focusing on RCTs investigating complete digital workflows in fixed prosthodontics with regard to economics or esthetics or patient-centered outcomes with or without follow-up or survival/success rate analysis as well as complication assessment of at least 1 year under function...
September 19, 2017: BMC Oral Health
https://www.readbyqxmd.com/read/28926012/decisions-to-manage-endemic-ectoparasites-the-case-of-ticks-and-tick-borne-diseases-in-northern-australia
#7
G C Ramsay
Control of ticks and tick-borne diseases in northern Australia is considered economically important, but is complicated due to the physical and production environment. Various approaches to analysis have been applied to evaluate decisions to control tick-borne diseases but have been used in research rather than as direct support for producer decisions. To be effective, the results from economic analysis need to be applied by decision-makers. The application of the results from economic analysis requires decision-makers and analysts to incorporate effective communication within their relationship...
April 2017: Revue Scientifique et Technique
https://www.readbyqxmd.com/read/28925538/maternal-intelligence-quotient-iq-predicts-iq-and-language-in-very-preterm-children-at-age-5%C3%A2-years
#8
Rachel E Lean, Rachel A Paul, Christopher D Smyser, Cynthia E Rogers
BACKGROUND: Sociodemographic factors are linked to cognitive outcomes in children born very preterm (VPT; ≤30 weeks gestation). The influence of maternal intellectual ability, a heritable trait, is unknown. Also undetermined is the extent to which associations between maternal and child intellectual ability vary according to parenting behaviors that target cognitive stimulation in the home. METHODS: At age 5 years, 84 VPT and 38 demographically matched full-term (FT) children underwent neurodevelopmental assessment...
September 19, 2017: Journal of Child Psychology and Psychiatry, and Allied Disciplines
https://www.readbyqxmd.com/read/28925273/-current-trends-in-gamete-donation-psychosocial-and-ethical-issues
#9
T Rumpíková, I Oborná, H Konečná
OBJECTIVE: To overview contemporary knowledge of legal and psychosocial rules in gamete donation. Previously, anonymous donation was preferred and recommended by experts but currently, with respect to the right to know the genetic origin of individuals, the relation to donor anonymity was reconsidered in many countries. There is a growing tendency to introduce the open identity system in gamete donation. Such system may guarantee that the child born after gamete donation may have receive the identification data of the donor of gametes...
2017: Ceská Gynekologie
https://www.readbyqxmd.com/read/28924187/the-ipsych2012-case-cohort-sample-new-directions-for-unravelling-genetic-and-environmental-architectures-of-severe-mental-disorders
#10
C B Pedersen, J Bybjerg-Grauholm, M G Pedersen, J Grove, E Agerbo, M Bækvad-Hansen, J B Poulsen, C S Hansen, J J McGrath, T D Als, J I Goldstein, B M Neale, M J Daly, D M Hougaard, O Mors, M Nordentoft, A D Børglum, T Werge, P B Mortensen
The Integrative Psychiatric Research (iPSYCH) consortium has established a large Danish population-based Case-Cohort sample (iPSYCH2012) aimed at unravelling the genetic and environmental architecture of severe mental disorders. The iPSYCH2012 sample is nested within the entire Danish population born between 1981 and 2005, including 1 472 762 persons. This paper introduces the iPSYCH2012 sample and outlines key future research directions. Cases were identified as persons with schizophrenia (N=3540), autism (N=16 146), attention-deficit/hyperactivity disorder (N=18 726) and affective disorder (N=26 380), of which 1928 had bipolar affective disorder...
September 19, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28922357/analysis-of-nuclear-and-organellar-genomes-of-plasmodium-knowlesi-in-humans-reveals-ancient-population-structure-and-recent-recombination-among-host-specific-subpopulations
#11
Ernest Diez Benavente, Paola Florez de Sessions, Robert W Moon, Anthony A Holder, Michael J Blackman, Cally Roper, Christopher J Drakeley, Arnab Pain, Colin J Sutherland, Martin L Hibberd, Susana Campino, Taane G Clark
The macaque parasite Plasmodium knowlesi is a significant concern in Malaysia where cases of human infection are increasing. Parasites infecting humans originate from genetically distinct subpopulations associated with the long-tailed (Macaca fascicularis (Mf)) or pig-tailed macaques (Macaca nemestrina (Mn)). We used a new high-quality reference genome to re-evaluate previously described subpopulations among human and macaque isolates from Malaysian-Borneo and Peninsular-Malaysia. Nuclear genomes were dimorphic, as expected, but new evidence of chromosomal-segment exchanges between subpopulations was found...
September 18, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28919688/vaccination-with-salmonella-typhi-recombinant-outer-membrane-protein-28-induces-humoral-but-non-protective-immune-response-in-rabbit
#12
Anjani Saxena, Rajesh Kumar, Mumtesh Kumar Saxena
AIM: Typhoid is one of the most important food and water borne disease causing millions of deaths over the world. Presently, there is no cost effective vaccine available in India. The outer-membrane proteins (Omps) of Salmonella have been exhibited as a potential candidate for development of subunit vaccine against typhoid. The objective of the present study was to evaluate the use of recombinant Omp 28 protein for immunization of rabbit to elucidate its protection against virulent Salmonella Typhi...
August 2017: Veterinary World
https://www.readbyqxmd.com/read/28919548/reconsidering-the-classification-of-tick-borne-encephalitis-virus-within-the-siberian-subtype-gives-new-insights-into-its-evolutionary-history
#13
S Y Kovalev, T A Mukhacheva
Tick-borne encephalitis is widespread in Eurasia and transmitted by Ixodes ticks. Classification of its causative agent, tick-borne encephalitis virus (TBEV), includes three subtypes, namely Far-Eastern, European, and Siberian (TBEV-Sib), as well as a group of 886-84-like strains with uncertain taxonomic status. TBEV-Sib is subdivided into three phylogenetic lineages: Baltic, Asian, and South-Siberian. A reason to reconsider TBEV-Sib classification was the analysis of 186 nucleotide sequences of an E gene fragment submitted to GenBank during the last two years...
September 14, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28919382/overweight-and-obesity-in-new-caledonian-adults-results-from-measured-and-adjusted-self-reported-anthropometric-data
#14
Philippe Corsenac, Isabella Annesi-Maesano, Damian Hoy, Adam Roth, Bernard Rouchon, Isabelle Capart, Richard Taylor
AIMS: To estimate the overweight (OW) and obesity (Ob) prevalence and associated socio-demographic risk factors in New Caledonian adults aged 18-67years. METHODS: From a randomly selected cross-sectional population survey, self-reported (n=2513) and measured (n=736) height and weight data were collected. Separate linear regression analyses for measured weight and height were performed, using cases with both self-reported weight and height and socio-demographic variables...
June 22, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28917658/multiple-events-of-gene-manipulation-via-in-pouch-electroporation-in-a-marsupial-model-of-mammalian-forebrain-development
#15
Annalisa Paolino, Laura R Fenlon, Peter Kozulin, Linda J Richards, Rodrigo Suárez
BACKGROUND: The technique of in utero electroporation has been widely used in eutherians, such as mice and rats, to investigate brain development by selectively manipulating gene expression in specific neuronal populations. A major challenge, however, is that surgery is required to access the embryos, affecting animal survival and limiting the number of times it can be performed within the same litter. New method: Marsupials are born at an early stage of brain development as compared to eutherians...
September 13, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28917305/genetic-variability-of-cloned-cytauxzoon-felis-ribosomal-rna-its1-and-its2-genomic-regions-from-domestic-cats-with-varied-clinical-outcomes-from-five-states
#16
Dana A Pollard, Mason V Reichard, Leah A Cohn, Andrea M James, Patricia J Holman
Cytauxzoon felis is a tick-borne hemoparasite that causes cytauxzoonosis in domestic cats in the United States. Historically, feline cytauxzoonosis was reported to be nearly always fatal. However, increasing evidence of cats surviving acute infection and/or harboring a chronic, subclinical infection has suggested the existence of different C. felis strains that may vary in pathogenicity. In this study, the intraspecific variation of the C. felis first and second ribosomal RNA internal transcribed spacer (ITS1, ITS2) regions was assessed for any clinical outcome or geographic associations...
September 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28916917/update-on-chinese-american-childhood-obesity-prevalence-in-new-york-city
#17
Loretta Au, Jennifer D Lau, Eda Chao, Raymond Tse, Laminasti Elbaar
Prevalence of overweight and obesity was measured in 12,275 Chinese American children and adolescents, ages 2-19, who were patients at a large federally qualified health center in 2015. Demographic characteristics sex, age, and birthplace were further stratified to explore disaggregated prevalence. Comparison of this 2015 cohort to an ethnically similar study cohort from the same health center in 2004 showed that the overall prevalence in overweight and obesity dropped to 21% from previously recorded 24%. US Born school-aged males continue to have the highest prevalence of overweight and obesity at 36%...
September 15, 2017: Journal of Immigrant and Minority Health
https://www.readbyqxmd.com/read/28916888/hiv-testing-among-foreign-born-men-and-women-in-the-united-states-results-from-a-nationally-representative-cross-sectional-survey
#18
Eduardo Valverde, Elizabeth DiNenno, Emeka Oraka, Gregory Bautista, Pollyanna Chavez
HIV disproportionately affects the foreign-born population in the United States. This analysis describes the prevalence of ever-testing for HIV among foreign-born individuals residing in the United States. Data from a national health survey of the civilian, non-institutionalized population was used to describe prevalence of ever-testing for HIV among foreign-born individuals by birth place. Multivariate logistic-regression procedures were used to determine factors associated with ever-testing for HIV among foreign-born men and women...
September 15, 2017: Journal of Immigrant and Minority Health
https://www.readbyqxmd.com/read/28915259/a-novel-mechanism-of-antibody-mediated-enhancement-of-flavivirus-infection
#19
Denise Haslwanter, Dieter Blaas, Franz X Heinz, Karin Stiasny
Antibody-dependent enhancement of viral infection is a well-described phenomenon that is based on the cellular uptake of infectious virus-antibody complexes following their interaction with Fcγ receptors expressed on myeloid cells. Here we describe a novel mechanism of antibody-mediated enhancement of infection by a flavivirus (tick-borne encephalitis virus) in transformed and primary human cells, which is independent of the presence of Fcγ receptors. Using chemical cross-linking and immunoassays, we demonstrate that the monoclonal antibody (mab) A5, recognizing an epitope at the interface of the dimeric envelope protein E, causes dimer dissociation and leads to the exposure of the fusion loop (FL)...
September 15, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28915240/improved-reliability-of-serological-tools-for-the-diagnosis-of-west-nile-fever-in-horses-within-europe
#20
Cécile Beck, Steeve Lowenski, Benoit Durand, Céline Bahuon, Stéphan Zientara, Sylvie Lecollinet
West Nile Fever is a zoonotic disease caused by a mosquito-borne flavivirus, WNV. By its clinical sensitivity to the disease, the horse is a useful sentinel of infection. Because of the virus' low-level, short-term viraemia in horses, the primary tools used to diagnose WNV are serological tests. Inter-laboratory proficiency tests (ILPTs) were held in 2010 and 2013 to evaluate WNV serological diagnostic tools suited for the European network of National Reference Laboratories (NRLs) for equine diseases. These ILPTs were designed to evaluate the laboratories' and methods' performances in detecting WNV infection in horses through serology...
September 15, 2017: PLoS Neglected Tropical Diseases
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