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https://www.readbyqxmd.com/read/28342423/a-bioinformatics-approach-to-designing-a-zika-virus-vaccine
#1
Sumanta Dey, Ashesh Nandy, Subhash C Basak, Papiya Nandy, Sukhen Das
The Zika virus infections have reached epidemic proportions in the Latin American countries causing severe birth defects and neurological disorders. While several organizations have begun research into design of prophylactic vaccines and therapeutic drugs, computer assisted methods with adequate data resources can be expected to assist in these measures to reduce lead times through bioinformatics approaches. Using 60 sequences of the Zika virus envelope protein available in the GenBank database, our analysis with numerical characterization techniques and several web based bioinformatics servers identified four peptide stretches on the Zika virus envelope protein that are well conserved and surface exposed and are predicted to have reasonable epitope binding efficiency...
March 10, 2017: Computational Biology and Chemistry
https://www.readbyqxmd.com/read/28340175/funresdb-a-web-resource-for-genotypic-susceptibility-testing-of-aspergillus-fumigatus
#2
Michael Weber, Jonas Schaer, Grit Walther, Kerstin Kaerger, Jörg Steinmann, Peter-Michael Rath, Birgit Spiess, Dieter Buchheidt, Axel Hamprecht, Oliver Kurzai
Therapy of invasive aspergillosis is becoming more difficult due to the emergence of azole resistance in Aspergillus fumigatus. A majority of resistant strains carries mutations in the CYP51A gene. Due to a lack of sensitivity of culture-based methods, molecular detection of A. fumigatus has become an important diagnostic tool. We set up the database FunResDB (www.nrz-myk.de/funresdb) to gather all available information about CYP51A-dependent azole resistance from published literature. In summary, the screening resulted in 79 CYP51A variants, which are linked to 59 nonsynonymous mutations...
March 11, 2017: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/28337627/biological-impacts-of-local-vs-regional-land-use-on-a-small-tributary-of-the-seine-river-france-insights-from-a-food-web-approach-based-on-stable-isotopes
#3
Nicolas Hette-Tronquart, Thierry Oberdorff, Evelyne Tales, Amandine Zahm, Jérôme Belliard
As part of the landscape, streams are influenced by land use. Here, we contributed to the understanding of the biological impacts of land use on streams, investigating how landscape effects vary with spatial scales (local vs. regional). We adopted a food web approach integrating both biological structure and functioning, to focus on the overall effect of land use on stream biocœnosis. We selected 17 sites of a small tributary of the Seine River (France) for their contrasted land use, and conducted a natural experiment by sampling three organic matter sources, three macroinvertebrate taxa, and most of the fish community...
March 23, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28335767/feasibility-acceptability-and-efficacy-of-a-web-based-computer-tailored-physical-activity-intervention-for-pregnant-women-the-fit4two-randomised-controlled-trial
#4
Melanie Hayman, Peter Reaburn, Matthew Browne, Corneel Vandelanotte, Stephanie Alley, Camille E Short
BACKGROUND: Physical activity (PA) during pregnancy is associated with a variety of health benefits including a reduced risk of pregnancy related conditions such as pre-eclampsia and pregnancy-induced hypertension and leads to greater control over gestational weight gain. Despite these associated health benefits, very few pregnant women are sufficiently active. In an attempt to increase health outcomes, it is important to explore innovative ways to increase PA among pregnant women. Therefore, the aim of this study was to assess the feasibility, acceptability and efficacy of a four week web-based computer-tailored PA intervention among pregnant women...
March 23, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28334991/frameworks-to-assess-health-systems-governance-a-systematic-review
#5
Thidar Pyone, Helen Smith, Nynke van den Broek
Governance of the health system is a relatively new concept and there are gaps in understanding what health system governance is and how it could be assessed. We conducted a systematic review of the literature to describe the concept of governance and the theories underpinning as applied to health systems; and to identify which frameworks are available and have been applied to assess health systems governance. Frameworks were reviewed to understand how the principles of governance might be operationalized at different levels of a health system...
March 3, 2017: Health Policy and Planning
https://www.readbyqxmd.com/read/28334982/use-it-or-lose-it-citations-predict-the-continued-online-availability-of-published-bioinformatics-resources
#6
Jonathan D Wren, Constantin Georgescu, Cory B Giles, Jason Hennessey
Scientific Data Analysis Resources (SDARs) such as bioinformatics programs, web servers and databases are integral to modern science, but previous studies have shown that the Uniform Resource Locators (URLs) linking to them decay in a time-dependent manner, with ∼27% decayed to date. Because SDARs are overrepresented among science's most cited papers over the past 20 years, loss of widely used SDARs could be particularly disruptive to scientific research. We identified URLs in MEDLINE abstracts and used crowdsourcing to identify which reported the creation of SDARs...
March 15, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28333949/metabolic-syndrome-and-its-components-among-rheumatoid-arthritis-patients-a-comprehensive-updated-systematic-review-and-meta-analysis
#7
Jamal Hallajzadeh, Saeid Safiri, Mohammad Ali Mansournia, Maliheh Khoramdad, Neda Izadi, Amir Almasi-Hashiani, Reza Pakzad, Erfan Ayubi, Mark J M Sullman, Nahid Karamzad
BACKGROUND: Estimating the current global prevalence of metabolic syndrome (MetS), and its components, among rheumatoid arthritis (RA) patients is necessary in order to formulate preventative strategies and to ensure there are adequate community resources available for these patients. Furthermore, the association between RA and MetS is controversial and has not previously been comprehensively assessed. Therefore, the present study aimed to: 1) determine the prevalence of MetS, and its components, among RA patients across the world 2) update the odds ratio of MetS in RA patients, compared to healthy controls, using a comprehensive systematic review and meta-analysis...
2017: PloS One
https://www.readbyqxmd.com/read/28333562/information-on-early-menopause-is-the-internet-the-place-to-search
#8
J Aleksova, M Kuczynska-Burggraf, S Ranasinha, A Vincent
OBJECTIVE: Early menopause (EM), menopause before 45 years, affects up to 10% of women. The internet was perceived by women with EM to be the best source of information regarding EM; however, the reality is unknown. The aim of this study was to assess the quality and content of easily accessible websites relating to EM. METHODS: The keyword 'early menopause' was used for a web search using Google. The first two pages of results, plus an additional five websites, were analyzed for website quality and content by two independent reviewers according to published methodology...
March 23, 2017: Climacteric: the Journal of the International Menopause Society
https://www.readbyqxmd.com/read/28332257/exomic-variants-of-an-elderly-cohort-of-brazilians-in-the-abraom%C3%A2-database
#9
Michel Satya Naslavsky, Guilherme Lopes Yamamoto, Tatiana Ferreira de Almeida, Suzana A M Ezquina, Daniele Yumi Sunaga, Nam Pho, Daniel Bozoklian, Tatiana Orli Milkewitz Sandberg, Luciano Abreu Brito, Monize Lazar, Danilo Vicensotto Bernardo, Edson Amaro, Yeda A O Duarte, Maria Lúcia Lebrão, Maria Rita Passos-Bueno, Mayana Zatz
Brazilians are highly admixed with ancestry from Europe, Africa, America, and Asia yet still underrepresented in genomic databanks. We hereby present a collection of exomic variants from 609 elderly Brazilians in a census-based cohort (SABE609) with comprehensive phenotyping. Variants were deposited in ABraOM (Online Archive of Brazilian Mutations), a web-based public database. Population representative phenotype and genotype repositories are essential for variant interpretation through allele frequency filtering; since elderly individuals are less likely to harbor pathogenic mutations for early and adult-onset diseases, such variant databases are of great interest...
March 23, 2017: Human Mutation
https://www.readbyqxmd.com/read/28330919/moving-beyond-linear-food-chains-trait-mediated-indirect-interactions-in-a-rocky-intertidal-food-web
#10
Geoffrey C Trussell, Catherine M Matassa, Patrick J Ewanchuk
In simple, linear food chains, top predators can have positive indirect effects on basal resources by causing changes in the traits (e.g. behaviour, feeding rates) of intermediate consumers. Although less is known about trait-mediated indirect interactions (TMIIs) in more complex food webs, it has been suggested that such complexity dampens trophic cascades. We examined TMIIs between a predatory crab (Carcinus maenas) and two ecologically important basal resources, fucoid algae (Ascophyllum nodosum) and barnacles (Semibalanus balanoides), which are consumed by herbivorous (Littorina littorea) and carnivorous (Nucella lapillus) snails, respectively...
March 29, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28327120/where-s-the-evidence-a-systematic-review-of-economic-analyses-of-residential-aged-care-infrastructure
#11
Tiffany Easton, Rachel Milte, Maria Crotty, Julie Ratcliffe
BACKGROUND: Residential care infrastructure, in terms of the characteristics of the organisation (such as proprietary status, size, and location) and the physical environment, have been found to directly influence resident outcomes. This review aimed to summarise the existing literature of economic evaluations of residential care infrastructure. METHODS: A systematic review of English language articles using AgeLine, CINAHL, Econlit, Informit (databases in Health; Business and Law; Social Sciences), Medline, ProQuest, Scopus, and Web of Science with retrieval up to 14 December 2015...
March 21, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28326539/isotopic-niche-partitioning-between-two-apex-predators-over-time
#12
M Drago, L Cardona, V Franco-Trecu, E A Crespo, D Vales, F Borella, L Zenteno, E M Gonzáles, P Inchausti
1.Stable isotope analyses have become an important tool in reconstructing diets, analyzing resource use patterns, elucidating trophic relations among predators and understanding the structure of food webs. 2.Here, we use stable carbon and nitrogen isotope ratios in bone collagen to reconstruct and compare the isotopic niches of adult South American fur seals (Arctocephalus australis; n = 86) and sea lions (Otaria flavescens; n = 49) -two otariid species with marked morphological differences- in the Río de la Plata estuary (Argentina - Uruguay) and the adjacent Atlantic Ocean during the second half of the 20(th) century and the beginning of the 21(st) century...
March 22, 2017: Journal of Animal Ecology
https://www.readbyqxmd.com/read/28317324/big-in-the-benthos-future-change-of-seafloor-community-biomass-in-a-global-body-size-resolved-model
#13
Andrew Yool, Adrian P Martin, Thomas R Anderson, Brian J Bett, Daniel O B Jones, Henry A Ruhl
Deep-water benthic communities in the ocean are almost wholly dependent on near-surface pelagic ecosystems for their supply of energy and material resources. Primary production in sunlit surface waters is channelled through complex food webs that extensively recycle organic material, but lose a fraction as particulate organic carbon (POC) that sinks into the ocean interior. This exported production is further rarefied by microbial breakdown in the abyssal ocean, but a residual ultimately drives diverse assemblages of seafloor heterotrophs...
March 19, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28316909/utilization-of-social-media-and-web-forums-by-hiv-patients-a-cross-sectional-study-on-adherence-and-reported-anxiety-level
#14
Elisa Longinetti, Vinoth Manoharan, Hala Ayoub, Pamela J Surkan, Ziad El-Khatib
Due to the high stigma surrounding the Human Immunodeficiency Virus (HIV), people living with HIV (PLWH) often reach out peers over the Internet for emotional and social support. The purpose of this study was to assess the characteristics of PLWH who use HIV internet forums. A cross-sectional study was conducted using an online survey investigating demographic characteristics of PLWH, level of satisfaction of the HIV Internet forums, time living with HIV, forum users' anxiety levels, self-reported adherence to antiretroviral treatment (ART), and reasons for missing pills (n = 222)...
June 2017: Preventive Medicine Reports
https://www.readbyqxmd.com/read/28302593/outcomes-in-child-health-exploring-the-use-of-social-media-to-engage-parents-in-patient-centered-outcomes-research
#15
Michele P Dyson, Kassi Shave, Ricardo M Fernandes, Shannon D Scott, Lisa Hartling
BACKGROUND: With the rapid growth of technology and its improved accessibility globally, social media is gaining an increasingly important role in health care. Patients are frequently engaging with social media to access information, share content, and interact with others in online health communities. However, the use of social media as a stakeholder engagement strategy has been minimally explored, and effective methods for involving participants in research on the identification of patient-centered outcomes remain unknown...
March 16, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28299894/insights-on-food-webs-associated-with-the-south-american-tomato-pinworm
#16
Mario Naselli, Antonio Biondi, Giovanna Tropea Garzia, Nicolas Desneux, Agatino Russo, Gaetano Siscaro, Lucia Zappalà
BACKGROUND: Complexity of both natural and managed ecosystems involves various forms of interaction among organisms. Two or more species that exploit the same resource can engage in competitive behaviors, usually referred to as intra-guild interactions. These can be direct, i.e. one species feeds directly upon the competitor (intra-guild predation) or indirect, e.g. when the dominant organism competes for a food source which another organism is feeding on (kleptoparasitism). We investigated the potential for such interactions in a biological model composed by the South American tomato pinworm, Tuta absoluta, and three of its newly associated natural enemies: the zoophytophagous predator Nesidiocoris tenuis, and two idiobiont ectoparasitoids Bracon nigricans, and Necremnus tutae...
March 16, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28299815/effects-of-substituting-nurse-practitioners-physician-assistants-or-nurses-for-physicians-concerning-healthcare-for-the-aging-population-a-systematic-literature-review
#17
REVIEW
Marleen H Lovink, Anke Persoon, Raymond T C M Koopmans, Anneke J A H Van Vught, Lisette Schoonhoven, Miranda G H Laurant
AIMS: To evaluate the effects of substituting nurse practitioners, physician assistants or nurses for physicians in long-term care facilities and primary healthcare for the aging population (primary aim) and to describe what influences the implementation (secondary aim). BACKGROUND: Healthcare for the aging population is undergoing major changes and physicians face heavy workloads. A solution to guarantee quality and contain costs might be to substitute nurse practitioners, physician assistants or nurses for physicians...
March 16, 2017: Journal of Advanced Nursing
https://www.readbyqxmd.com/read/28298238/biofed-federated-query-processing-over-life-sciences-linked-open-data
#18
Ali Hasnain, Qaiser Mehmood, Syeda Sana E Zainab, Muhammad Saleem, Claude Warren, Durre Zehra, Stefan Decker, Dietrich Rebholz-Schuhmann
BACKGROUND: Biomedical data, e.g. from knowledge bases and ontologies, is increasingly made available following open linked data principles, at best as RDF triple data. This is a necessary step towards unified access to biological data sets, but this still requires solutions to query multiple endpoints for their heterogeneous data to eventually retrieve all the meaningful information. Suggested solutions are based on query federation approaches, which require the submission of SPARQL queries to endpoints...
March 15, 2017: Journal of Biomedical Semantics
https://www.readbyqxmd.com/read/28298198/maternal-and-neonatal-service-usage-and-determinants-in-fragile-and-conflict-affected-situations-a-systematic-review-of-asia-and-the-middle-east
#19
Saji S Gopalan, Ashis Das, Natasha Howard
BACKGROUND: Fragile and conflict-affected situations (FCS) in Asia and the Middle-East contribute significantly to global maternal and neonatal deaths. This systematic review explored maternal and neonatal health (MNH) services usage and determinants in FCS in Asia and the Middle-East to inform policy on health service provision in these challenging settings. METHODS: This systematic review was conducted using a standardised protocol. Pubmed, Embase, Web of Science, and selected development agency websites were searched for studies meeting inclusion criteria...
March 15, 2017: BMC Women's Health
https://www.readbyqxmd.com/read/28296895/evaluating-signals-of-oil-spill-impacts-climate-and-species-interactions-in-pacific-herring-and-pacific-salmon-populations-in-prince-william-sound-and-copper-river-alaska
#20
Eric J Ward, Milo Adkison, Jessica Couture, Sherri C Dressel, Michael A Litzow, Steve Moffitt, Tammy Hoem Neher, John Trochta, Rich Brenner
The Exxon Valdez oil spill occurred in March 1989 in Prince William Sound, Alaska, and was one of the worst environmental disasters on record in the United States. Despite long-term data collection over the nearly three decades since the spill, tremendous uncertainty remains as to how significantly the spill affected fishery resources. Pacific herring (Clupea pallasii) and some wild Pacific salmon populations (Oncorhynchus spp.) in Prince William Sound declined in the early 1990s, and have not returned to the population sizes observed in the 1980s...
2017: PloS One
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