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https://www.readbyqxmd.com/read/28320158/addressing-post-stroke-care-in-rural-areas-with-peru-as-a-case-study-placing-emphasis-on-evidence-based-pragmatism
#1
REVIEW
J Jaime Miranda, Miguel G Moscoso, Lijing L Yan, Francisco Diez-Canseco, Germán Málaga, Hector H Garcia, Bruce Ovbiagele
Stroke is a major cause of death and disability, with most of its burden now affecting low- and middle-income countries (LMIC). People in rural areas of LMIC who have a stroke receive very little acute stroke care and local healthcare workers and family caregivers in these regions lack the necessary knowledge to assist them. Intriguingly, a recent rapid growth in cell-phone use and digital technology in rural areas has not yet been appropriately exploited for health care training and delivery purposes. What should be done in rural areas, at the community setting-level, where access to healthcare is limited remains a challenge...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28319906/functional-characterization-of-gram-negative-bacteria-from-different-genera-as-multiplex-cadmium-biosensors
#2
Lara Bereza-Malcolm, Sanja Aracic, Ruban Kannan, Gülay Mann, Ashley E Franks
Widespread presence of cadmium in soil and water systems is a consequence of industrial and agricultural processes. Subsequent accumulation of cadmium in food and drinking water can result in accidental consumption of dangerous concentrations. As such, cadmium environmental contamination poses a significant threat to human health. Development of microbial biosensors, as a novel alternative method for in situ cadmium detection, may reduce human exposure by complementing traditional analytical methods. In this study, a multiplex cadmium biosensing construct was assembled by cloning a single-output cadmium biosensor element, cadRgfp, and a constitutively expressed mrfp1 onto a broad-host range vector...
March 16, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28319831/structure-based-prediction-of-host-pathogen-protein-interactions
#3
REVIEW
Rachelle Mariano, Stefan Wuchty
The discovery, validation, and characterization of protein-based interactions from different species are crucial for translational research regarding a variety of pathogens, ranging from the malaria parasite Plasmodium falciparum to HIV-1. Here, we review recent advances in the prediction of host-pathogen protein interfaces using structural information. In particular, we observe that current methods chiefly perform machine learning on sequence and domain information to produce large sets of candidate interactions that are further assessed and pruned to generate final, highly probable sets...
March 16, 2017: Current Opinion in Structural Biology
https://www.readbyqxmd.com/read/28319710/glacial-lake-inventory-and-lake-outburst-potential-in-uzbekistan
#4
Maxim A Petrov, Timur Y Sabitov, Irina G Tomashevskaya, Gleb E Glazirin, Sergey S Chernomorets, Elena A Savernyuk, Olga V Tutubalina, Dmitriy A Petrakov, Leonid S Sokolov, Mikhail D Dokukin, Giorgos Mountrakis, Virginia Ruiz-Villanueva, Markus Stoffel
Climate change has been shown to increase the number of mountain lakes across various mountain ranges in the World. In Central Asia, and in particular on the territory of Uzbekistan, a detailed assessment of glacier lakes and their evolution over time is, however lacking. For this reason we created the first detailed inventory of mountain lakes of Uzbekistan based on recent (2002-2014) satellite observations using WorldView-2, SPOT5, and IKONOS imagery with a spatial resolution from 2 to 10m. This record was complemented with data from field studies of the last 50years...
March 16, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28319612/colony-stimulating-factor-1-receptor-is-a-central-component-of-the-foreign-body-response-to-biomaterial-implants-in-rodents-and-non-human%C3%A2-primates
#5
Joshua C Doloff, Omid Veiseh, Arturo J Vegas, Hok Hei Tam, Shady Farah, Minglin Ma, Jie Li, Andrew Bader, Alan Chiu, Atieh Sadraei, Stephanie Aresta-Dasilva, Marissa Griffin, Siddharth Jhunjhunwala, Matthew Webber, Sean Siebert, Katherine Tang, Michael Chen, Erin Langan, Nimit Dholokia, Raj Thakrar, Meirigeng Qi, Jose Oberholzer, Dale L Greiner, Robert Langer, Daniel G Anderson
Host recognition and immune-mediated foreign body response to biomaterials can compromise the performance of implanted medical devices. To identify key cell and cytokine targets, here we perform in-depth systems analysis of innate and adaptive immune system responses to implanted biomaterials in rodents and non-human primates. While macrophages are indispensable to the fibrotic cascade, surprisingly neutrophils and complement are not. Macrophages, via CXCL13, lead to downstream B cell recruitment, which further potentiated fibrosis, as confirmed by B cell knockout and CXCL13 neutralization...
March 20, 2017: Nature Materials
https://www.readbyqxmd.com/read/28319134/genotype-and-local-environment-dynamically-influence-growth-disturbance-response-and-survivorship-in-the-threatened-coral-acropora-cervicornis
#6
Crawford Drury, Derek Manzello, Diego Lirman
The relationship between the coral genotype and the environment is an important area of research in degraded coral reef ecosystems. We used a reciprocal outplanting experiment with 930 corals representing ten genotypes on each of eight reefs to investigate the influence of genotype and the environment on growth and survivorship in the threatened Caribbean staghorn coral, Acropora cervicornis. Coral genotype and site were strong drivers of coral growth and individual genotypes exhibited flexible, non-conserved reaction norms, complemented by ten-fold differences in growth between specific G-E combinations...
2017: PloS One
https://www.readbyqxmd.com/read/28319049/resisting-fatal-attraction-a-glioma-oncometabolite-prevents-cd8-t-cell-recruitment
#7
Liliana E Lucca, David A Hafler
Immunotherapy has emerged as a potent approach for treating aggressive cancers, such as non-small-cell lung tumors and metastatic melanoma. Clinical trials are now in progress for patients with malignant gliomas; however, a better understanding of how these tumors escape immune surveillance is required to enhance antitumor immune responses. With gliomas, the recruitment of CD8+ T cells to the tumor is impaired, in part preventing containment or elimination of the tumor. In this issue of the JCI, Kohanbash and colleagues present an elegant dissection of how gliomas exploit an enzymatic activity acquired through a common mutation to abrogate the migration of CD8+ T cells to the tumor...
March 20, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28318428/fostering-the-future-of-health-promotion-as-seen-through-the-message-from-youth-delegates-on-health-promotion-and-sustainable-development
#8
Sara Rodgers
The World Health Organization 9th Global Conference on Health Promotion presented us with the Shanghai Declaration for promoting health in the 2030 Agenda for Sustainable Development. At the same time, the participants of the conference symposium, 'How can youth become future leaders in delivering on the 2030 Agenda for Sustainable Development?' produced the 'Message from Youth Delegates on Health Promotion and Sustainable Development' as its complement. This 'Message from Youth Delegates' outlined pledges of young leaders in health promotion and proposed the necessary steps to ensure the future of health promotion includes more meaningful participation by young people...
March 2017: Global Health Promotion
https://www.readbyqxmd.com/read/28318286/asking-better-questions-how-presentation-formats-influence-information-search
#9
Charley M Wu, Björn Meder, Flavia Filimon, Jonathan D Nelson
While the influence of presentation formats have been widely studied in Bayesian reasoning tasks, we present the first systematic investigation of how presentation formats influence information search decisions. Four experiments were conducted across different probabilistic environments, where subjects (N = 2,858) chose between 2 possible search queries, each with binary probabilistic outcomes, with the goal of maximizing classification accuracy. We studied 14 different numerical and visual formats for presenting information about the search environment, constructed across 6 design features that have been prominently related to improvements in Bayesian reasoning accuracy (natural frequencies, posteriors, complement, spatial extent, countability, and part-to-whole information)...
March 20, 2017: Journal of Experimental Psychology. Learning, Memory, and Cognition
https://www.readbyqxmd.com/read/28318143/designing-squaraines-to-control-charge-injection-and-recombination-processes-in-nio-based-dye-sensitized-solar-cells
#10
Oliver Langmar, Davide Saccone, Anna Amat, Simona Fantacci, Guido Viscardi, Claudia Barolo, Ruben Costa, Dirk Michael Guldi
Herein, the synthesis of a novel family of squaraines (SQ) and their application in p-type dye-sensitized solar cells (DSSC) is presented. In particular, two sets of SQs were designed. The SQs have been characterized by using a joint theoretical, photophysical and electrochemical approach. Importantly, the presence of different central groups forces them into a frozen cis (dicyanovinyl group) or a trans (oxygen group) conformation. Based on the latter, the current work enables the direct comparison between cis and trans isomers, as well as the impact of a different number of anchors...
March 20, 2017: ChemSusChem
https://www.readbyqxmd.com/read/28318015/plasma-levels-of-masp-1-masp-3-and-map44-in-patients-with-type-2-diabetes-influence-of-glycaemic-control-body-composition-and-polymorphisms-in-the-masp1-gene
#11
Sara Skov Krogh, Charlotte Brinck Holt, Rudi Steffensen, Kristian Løkke Funck, Pernille Høyem, Esben Laugesen, Per Løgstrup Poulsen, Steffen Thiel, Troels Krarup Hansen
Mounting evidence indicates that adverse activation of the complement system plays a role in the development of diabetic vascular complications. Plasma levels of the complement proteins mannan-binding lectin (MBL) and its associated serine proteases (MASP-1 and MASP-2) are elevated in diabetes. We hypothesised that single nucleotide polymorphisms (SNPs) in the MASP1 gene may contribute to altered plasma levels of the belonging gene products; MASP-1, MASP-3 and mannan-binding lectin-associated protein of 44 kDa (MAp44) in patients with type 2 diabetes...
March 20, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28317947/parietal-operculum-and-motor-cortex-activities-predict-motor-recovery-in-moderate-to-severe-stroke
#12
Firdaus Fabrice Hannanu, Thomas A Zeffiro, Laurent Lamalle, Olivier Heck, Félix Renard, Antoine Thuriot, Alexandre Krainik, Marc Hommel, Olivier Detante, Assia Jaillard
While motor recovery following mild stroke has been extensively studied with neuroimaging, mechanisms of recovery after moderate to severe strokes of the types that are often the focus for novel restorative therapies remain obscure. We used fMRI to: 1) characterize reorganization occurring after moderate to severe subacute stroke, 2) identify brain regions associated with motor recovery and 3) to test whether brain activity associated with passive movement measured in the subacute period could predict motor outcome six months later...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28317910/enterohemorrhagic-escherichia-coli-pathogenesis-role-of-long-polar-fimbriae-in-peyer-s-patches-interactions
#13
Charlotte Cordonnier, Lucie Etienne-Mesmin, Jonathan Thévenot, Amandine Rougeron, Sandra Rénier, Benoit Chassaing, Arlette Darfeuille-Michaud, Nicolas Barnich, Stéphanie Blanquet-Diot, Valérie Livrelli
Enterohemorrhagic Escherichia coli (EHEC) are major food-borne pathogens whose survival and virulence in the human digestive tract remain unclear owing to paucity of relevant models. EHEC interact with the follicle-associated epithelium of Peyer's patches of the distal ileum and translocate across the intestinal epithelium via M-cells, but the underlying molecular mechanisms are still unknown. Here, we investigated the involvement of Long polar fimbriae (Lpf) in EHEC pathogenesis. Of the 236 strains tested, a significant association was observed between the presence of lpf operons and pathogenicity...
March 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28317293/a-new-location-to-split-cre-recombinase-for-protein-fragment-complementation
#14
Maryam Rajaee, David W Ow
We have previously described a recombinase-mediated gene stacking system in which the Cre recombinase is used to remove lox-site flanked DNA no longer needed after each round of Bxb1 integrase-mediated site-specific integration. The Cre recombinase can be conveniently introduced by hybridization with a cre-expressing plant. However, maintaining an efficient cre-expressing line over many generations can be a problem, as high production of this DNA binding protein might interfere with normal chromosome activities...
March 19, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28317111/an-experimental-test-of-the-habitat-amount-hypothesis-for-saproxylic-beetles-in-a-forested-region
#15
Sebastian Seibold, Claus Bässler, Roland Brandl, Lenore Fahrig, Bernhard Förster, Marco Heurich, Torsten Hothorn, Fabian Scheipl, Simon Thorn, Jörg Müller
The habitat-amount hypothesis challenges traditional concepts that explain species richness within habitats, such as the habitat-patch hypothesis, where species number is a function of patch size and patch isolation. It posits that effects of patch size and patch isolation are driven by effects of sample area, and thus that the number of species at a site is basically a function of the total habitat amount surrounding this site. We tested the habitat-amount hypothesis for saproxylic beetles and their habitat of dead wood by using an experiment comprising 190 plots with manipulated patch sizes situated in a forested region with a high variation in habitat amount (i...
March 19, 2017: Ecology
https://www.readbyqxmd.com/read/28317086/process-evaluation-of-a-randomized-controlled-trial-of-group-support-psychotherapy-for-depression-treatment-among-people-with-hiv-aids-in-northern-uganda
#16
Etheldreda Nakimuli-Mpungu, Kizito Wamala, James Okello, Sheila Ndyanabangi, Steve Kanters, Ramin Mojtabai, Jean B Nachega, Edward J Mills, Seggane Musisi
We describe the process evaluation for a randomized controlled trial that compared group support psychotherapy (GSP) with group HIV education for treatment of depression among people with HIV. Process data were obtained using mixed methods. Variables evaluated were indicators of feasibility and acceptability; causal mediating processes and contextual influences. GSP was feasible and acceptable. Potential mediating variables between GSP and reduction of depression were improved emotional and social support, better coping strategies, and pursuit of livelihoods...
March 19, 2017: Community Mental Health Journal
https://www.readbyqxmd.com/read/28317026/toxoplasma-gondii-ap2ix-4-regulates-gene-expression-during-bradyzoite-development
#17
Sherri Huang, Michael J Holmes, Joshua B Radke, Dong-Pyo Hong, Ting-Kai Liu, Michael W White, William J Sullivan
Toxoplasma gondii is a protozoan parasite of great importance to human and animal health. In the host, this obligate intracellular parasite persists as a tissue cyst that is imperceptible to the immune response and unaffected by current therapies. The tissue cysts facilitate transmission through predation and give rise to chronic cycles of toxoplasmosis in immunocompromised patients. Transcriptional changes accompany conversion of the rapidly replicating tachyzoites into the encysted bradyzoites, and yet the mechanisms underlying these alterations in gene expression are not well defined...
March 2017: MSphere
https://www.readbyqxmd.com/read/28316335/complement-in-anca-associated-vasculitis-mechanisms-and-implications-for-management
#18
REVIEW
Min Chen, David R W Jayne, Ming-Hui Zhao
Anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) is a group of potentially life-threatening autoimmune diseases. The main histological feature in the kidneys of patients with AAV is pauci-immune necrotizing crescentic glomerulonephritis with little immunoglobulin and complement deposition in the glomerular capillary walls. The complement system was not, therefore, initially thought to be associated with the development of AAV. Accumulating evidence from animal models and clinical observations indicate, however, that activation of the complement system - and the alternative pathway in particular - is crucial for the development of AAV, and that the complement activation product C5a has a central role...
March 20, 2017: Nature Reviews. Nephrology
https://www.readbyqxmd.com/read/28316103/identification-of-hip-bmd-loss-and-fracture-risk-markers-through-population-based-serum-proteomics
#19
Carrie M Nielson, Jack Wiedrick, Jian Shen, Jon Jacobs, Erin S Baker, Aaron Baraff, Paul Piehowski, Christine G Lee, Arie Baratt, Vladislav Petyuk, Shannon McWeeney, Jeong Youn Lim, Douglas C Bauer, Nancy E Lane, Peggy M Cawthon, Richard D Smith, Jodi Lapidus, Eric S Orwoll
Serum proteomics analysis may lead to the discovery of novel osteoporosis biomarkers. The Osteoporotic Fractures in Men Study (MrOS) comprises men ≥65 in the US who have had repeated BMD measures and have been followed for incident fracture. High-throughput quantitative proteomic analysis was performed on baseline fasting serum samples from non-Hispanic white men using a multi-dimensional approach coupling liquid chromatography, ion-mobility separation, and mass spectrometry (LC-IMS-MS). We followed the participants for a mean of 4...
March 18, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28316093/morphology-heterogeneity-within-a-campylobacter-jejuni-helical-population-the-use-of-calcofluor-white-to-generate-rod-shaped-c-jejuni-81-176-clones-and-the-genetic-determinants-responsible-for-differences-in-morphology-within-11168-strains
#20
Emilisa Frirdich, Jacob Biboy, Steven Huynh, Craig T Parker, Waldemar Vollmer, Erin C Gaynor
Campylobacter jejuni helical shape is important for colonization and host interactions with straight mutants having altered biological properties. Passage on calcofluor white (CFW) resulted in C. jejuni 81-176 isolates with morphology changes: either a straight morphology from frameshift mutations and single nucleotide polymorphisms in peptidoglycan hydrolase genes pgp1 or pgp2 or a reduction in curvature due a frameshift mutation in cjj81176_1105, a putative peptidoglycan endopeptidase. Shape defects were restored by complementation...
March 18, 2017: Molecular Microbiology
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