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https://www.readbyqxmd.com/read/28822212/comparison-of-start-and-salt-triage-methodologies-to-reference-standard-definitions-and-to-a-field-mass-casualty-simulation
#1
Salvatore Silvestri, Adam Field, Neal Mangalat, Tory Weatherford, Christopher Hunter, Zoe McGowan, Zachary Stamile, Trevor Mattox, Tanner Barfield, Aarian Afshari, George Ralls, Linda Papa
OBJECTIVES: We compared Sort, Assess, Lifesaving Intervention, Treatment/Transport (SALT) and Simple Triage and Rapid Treatment (START) triage methodologies to a published reference standard, and evaluated the accuracy of the START method applied by emergency medical services (EMS) personnel in a field simulation. DESIGN: Simulated mass casualty incident (MCI). Paramedics trained in START triage assigned each victim to green (minimal), yellow (delayed), red (immediate), or black (dead) categories...
January 2017: American Journal of Disaster Medicine
https://www.readbyqxmd.com/read/28821679/upf1-governs-synaptic-plasticity-through-association-with-a-stau2-rna-granule
#2
Tyson E Graber, Erika Freemantle, Mina Anadolu, Sarah Hébert-Seropian, Robyn MacAdam, Unkyung Shin, Huy-Dung Hoang, Tommy Alain, Jean-Claude Lacaille, Wayne S Sossin
Neuronal mRNAs can be packaged in reversibly stalled polysome granules prior to their transport to distant synaptic locales. Stimulation of synaptic metabotropic glutamate receptors (mGluRs) reactivates translation of these particular mRNAs to produce plasticity-related protein; a phenomenon exhibited during mGluR-mediated long-term depression (mGluR-LTD). This form of plasticity is deregulated in Fragile X Syndrome, a monogenic form of autism in humans, and understanding the stalling and reactivation mechanism could reveal new approaches to therapies...
August 18, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28820046/-nurture-the-sprouting-bud-do-not-uproot-it-using-saving-groups-to-save-for-maternal-and-newborn-health-lessons-from-rural-eastern-uganda
#3
Elizabeth Ekirapa-Kiracho, Ligia Paina, Rornald Muhumuza Kananura, Aloysius Mutebi, Pacuto Jane, Juliet Tumuhairwe, Moses Tetui, Suzanne N Kiwanuka
BACKGROUND: Saving groups are increasingly being used to save in many developing countries. However, there is limited literature about how they can be exploited to improve maternal and newborn health. OBJECTIVES: This paper describes saving practices, factors that encourage and constrain saving with saving groups, and lessons learnt while supporting communities to save through saving groups. METHODS: This qualitative study was done in three districts in Eastern Uganda...
August 2017: Global Health Action
https://www.readbyqxmd.com/read/28819972/a-solvent-toolkit-for-electrochemical-characterization-of-hybrid-perovskite-films
#4
Mehedhi Hasan, Swaminathan Venkatesan, Dmitry A Lyashenko, Jason D Slinker, Alex Zakhidov
Organohalide lead (hybrid) perovskites have emerged as competitive semiconducting materials for photovoltaic devices due to their high performance and low cost. To further the understanding and optimization of these materials, solution based methods for interrogating and modifying perovskite thin films are needed. In this work, we report hydrofluoroether (HFE) solvent based electrolyte for electrochemical processing and characterization of organic-inorganic trihalide lead perovskite thin films. Organic perovskite films are soluble in most of the polar organic solvents and thus until now they were not considered suitable for electrochemical processing...
August 18, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28819237/disruption-of-the-plant-specific-cfs1-gene-impairs-autophagosome-turnover-and-triggers-eds1-dependent-cell-death
#5
Arpaporn Sutipatanasomboon, Stefanie Herberth, Ellen G Alwood, Heidrun Häweker, Britta Müller, Mojgan Shahriari, Anke Y Zienert, Birger Marin, Silke Robatzek, Gerrit J K Praefcke, Kathryn R Ayscough, Martin Hülskamp, Swen Schellmann
Cell death, autophagy and endosomal sorting contribute to many physiological, developmental and immunological processes in plants. They are mechanistically interconnected and interdependent, but the molecular basis of their mutual regulation has only begun to emerge in plants. Here, we describe the identification and molecular characterization of CELL DEATH RELATED ENDOSOMAL FYVE/SYLF PROTEIN 1 (CFS1). The CFS1 protein interacts with the ENDOSOMAL SORTING COMPLEX REQUIRED FOR TRANSPORT I (ESCRT-I) component ELCH (ELC) and is localized at ESCRT-I-positive late endosomes likely through its PI3P and actin binding SH3YL1 Ysc84/Lsb4p Lsb3p plant FYVE (SYLF) domain...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28818691/multi-center-evaluation-of-the-cobas-%C3%A2-liat-%C3%A2-influenza-a-b-rsv-assay-for-rapid-point-of-care-diagnosis
#6
Jane Gibson, Elissa M Schechter-Perkins, Patricia Mitchell, Sharon Mace, Yu Tian, Kemi Williams, Robert Luo, Belinda Yen-Lieberman
Point of Care Testing (POCT) provides the capability for rapid laboratory test results in patient care environments where a traditional clinical laboratory is not available. POCTs have shorter turn-around times (TATs), they may be performed by non-laboratory personnel, and the need for transport time is eliminated. The Food and Drug Administration (FDA) recently granted Clinical Laboratory Improvements Amendment (CLIA) waiver status to the cobas(®) Influenza A/B & RSV assay, a rapid, accurate point-of-care test for Influenza and respiratory syncytial virus (RSV) performed on the Liat(®) System...
August 8, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28817635/contractile-actomyosin-arcs-promote-the-activation-of-primary-mouse-t-cells-in-a-ligand-dependent-manner
#7
Jinsung Hong, Sricharan Murugesan, Eric Betzig, John A Hammer
Mechano-transduction is an emerging but still poorly understood component of T cell activation. Here we investigated the ligand-dependent contribution made by contractile actomyosin arcs populating the peripheral supramolecular activation cluster (pSMAC) region of the immunological synapse (IS) to T cell receptor (TCR) microcluster transport and proximal signaling in primary mouse T cells. Using super resolution microscopy, OT1-CD8+ mouse T cells, and two ovalbumin (OVA) peptides with different affinities for the TCR, we show that the generation of organized actomyosin arcs depends on ligand potency and the ability of myosin 2 to contract actin filaments...
2017: PloS One
https://www.readbyqxmd.com/read/28817330/readiness-to-vaccinate-critical-personnel-during-an-influenza-pandemic-united-states-2015
#8
Danielle L Moulia, Stephanie A Dopson, Sara J Vagi, Thomas J Fitzgerald, Amy Parker Fiebelkorn, Samuel B Graitcer
OBJECTIVES: To assess the readiness to vaccinate critical infrastructure personnel (CIP) involved in managing public works, emergency services, transportation, or any other system or asset that would have an immediate debilitating impact on the community if not maintained. METHODS: We analyzed self-reported planning to vaccinate CIP during an influenza pandemic with data from 2 surveys: (1) the Program Annual Progress Assessment of immunization programs and (2) the Pandemic Influenza Readiness Assessment of public health emergency preparedness programs...
August 17, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28815534/alterations-in-ca-2-signalling-via-er-mitochondria-contact-site-remodelling-in-cancer
#9
Martijn Kerkhofs, Carlotta Giorgi, Saverio Marchi, Bruno Seitaj, Jan B Parys, Paolo Pinton, Geert Bultynck, Mart Bittremieux
Inter-organellar contact sites establish microdomains for localised Ca(2+)-signalling events. One of these microdomains is established between the ER and the mitochondria. Importantly, the so-called mitochondria-associated ER membranes (MAMs) contain, besides structural proteins and proteins involved in lipid exchange, several Ca(2+)-transport systems, mediating efficient Ca(2+) transfer from the ER to the mitochondria. These Ca(2+) signals critically control several mitochondrial functions, thereby impacting cell metabolism, cell death and survival, proliferation and migration...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28814619/time-use-patterns-and-health-related-quality-of-life-in-adolescents
#10
Monica Wong, Tim Olds, Lisa Gold, Kate Lycett, Dorothea Dumuid, Josh Muller, Fiona K Mensah, David Burgner, John B Carlin, Ben Edwards, Terence Dwyer, Peter Azzopardi, Melissa Wake
OBJECTIVES: To describe 24-hour time-use patterns and their association with health-related quality of life (HRQoL) in early adolescence. METHODS: The Child Health CheckPoint was a cross-sectional study nested between Waves 6 and 7 of the Longitudinal Study of Australian Children. The participants were 1455 11- to 12-year-olds (39% of Wave 6; 51% boys). The exposure was 24-hour time use measured across 259 activities using the Multimedia Activity Recall for Children and Adolescents...
June 1, 2017: Pediatrics
https://www.readbyqxmd.com/read/28814503/transition-of-yeast-can1-transporter-to-the-inward-facing-state-unveils-an-%C3%AE-arrestin-target-sequence-promoting-its-ubiquitylation-and-endocytosis
#11
Christos Gournas, Elie Saliba, Eva-Maria Krammer, Céline Barthelemy, Martine Prévost, Bruno André
Substrate-transport-elicited endocytosis is a common control mechanism of membrane transporters avoiding excess uptake of external compounds, though poorly understood at the molecular level. In yeast, endocytosis of transporters is triggered by their ubiquitylation mediated by the Rsp5 ubiquitin-ligase, recruited by α-arrestin-family adaptors. We here report that transport-elicited ubiquitylation of the arginine transporter Can1 is promoted by transition to an inward-facing state. This conformational change unveils a region of the N-terminal cytosolic tail targeted by the Art1 α-arrestin, which is activated via the TORC1 kinase complex upon arginine uptake...
August 16, 2017: Molecular Biology of the Cell
https://www.readbyqxmd.com/read/28814238/structural-insights-for-drugs-developed-for-phospholipase-d-enzymes
#12
Kimberly Stieglitz
BACKGROUND: In recent years human phospholipase D enzymes (PLD1 and PLD2 isozymes) have emerged as drug targets for various diseases such as cardiovascular disease, cancer, infectious diseases and neurodegenerative conditions such as Alzheimer's and Parkinson's disease. The interest in PLD as a drug target is due to the fact that PLD enzymes belong to a superfamily of phospholipases that are essential to intracellular and extracellular signaling. Many bioactive lipid signaling molecules are generated by these enzymes including phosphatidic and lysophosphatidic acid, arachidonic acid, and diacylglycerol (DAG)...
August 15, 2017: Current Drug Discovery Technologies
https://www.readbyqxmd.com/read/28812165/methane-enhances-aluminum-resistance-in-alfalfa-seedlings-by-reducing-aluminum-accumulation-and-reestablishing-redox-homeostasis
#13
Weiti Cui, Hong Cao, Ping Yao, Jincheng Pan, Quan Gu, Sheng Xu, Ren Wang, Zhaozeng Ouyang, Qingya Wang, Wenbiao Shen
Methane (CH4) is emerging as a candidate of signal molecule recently. However, whether or how CH4 enhances plant adaptation to aluminum (Al)-contaminated environment is still unknown. In this report, the physiological roles and possible molecular mechanisms of CH4 in the modulation of Al toxicity in alfalfa seedlings were characterized. Our results showed that, CH4 pretreatment could alleviate Al-induced seedling growth inhibition and redox imbalance. The defensive effects of CH4 against Al toxicity including the remission of Al-induced root elongation inhibition, nutrient disorder, and relative electrolyte leakage...
August 15, 2017: Biometals: An International Journal on the Role of Metal Ions in Biology, Biochemistry, and Medicine
https://www.readbyqxmd.com/read/28812056/initiating-a-standardized-regional-referral-and-counter-referral-system-in-guatemala-a-mixed-methods-study
#14
Rupa Kapoor, Leslie Avendaño, Maria Antonieta Sandoval, Andrea T Cruz, Esther M Sampayo, Miguel A Soto, Elizabeth A Camp, Heather L Crouse
Background:Few data exist for referral processes in resource-limited settings. We utilized mixed-methods to evaluate the impact of a standardized algorithm and training module developed for locally identified needs in referral/counter-referral procedures between primary health centers (PHCs) and a Guatemalan referral hospital. Methods: PHC personnel and hospital physicians participated in surveys and focus groups pre-implementation and 3, 6, and 12 months post-implementation to evaluate providers' experience with the system...
2017: Global Pediatric Health
https://www.readbyqxmd.com/read/28808416/platelet-derived-extracellular-vesicles-an-emerging-therapeutic-approach
#15
REVIEW
Shi-Cong Tao, Shang-Chun Guo, Chang-Qing Zhang
Extracellular vesicles (EVs) are a newly-discovered way by which cells communicate with their neighbors, as well as transporting cargos which once were considered to be limited by membrane barriers, including membrane proteins, cytosolic proteins and RNA. The discovery of platelet-derived EVs (P-EVs), the most abundant EVs in human blood, has been a very tortuous process. At first, P-EVs were identified as nothing but 'platelet dust', and subsequent research did not progress smoothly because of the limited research techniques to study EVs...
2017: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/28808258/hexahydroquinolines-are-antimalarial-candidates-with-potent-blood-stage-and-transmission-blocking-activity
#16
Manu Vanaerschot, Leonardo Lucantoni, Tao Li, Jill M Combrinck, Andrea Ruecker, T R Santha Kumar, Kelly Rubiano, Pedro E Ferreira, Giulia Siciliano, Sonia Gulati, Philipp P Henrich, Caroline L Ng, James M Murithi, Victoria C Corey, Sandra Duffy, Ori J Lieberman, M Isabel Veiga, Robert E Sinden, Pietro Alano, Michael J Delves, Kim Lee Sim, Elizabeth A Winzeler, Timothy J Egan, Stephen L Hoffman, Vicky M Avery, David A Fidock
Antimalarial compounds with dual therapeutic and transmission-blocking activity are desired as high-value partners for combination therapies. Here, we report the identification and characterization of hexahydroquinolines (HHQs) that show low nanomolar potency against both pathogenic and transmissible intra-erythrocytic forms of the malaria parasite Plasmodium falciparum. This activity translates into potent transmission-blocking potential, as shown by in vitro male gamete formation assays and reduced oocyst infection and prevalence in Anopheles mosquitoes...
August 14, 2017: Nature Microbiology
https://www.readbyqxmd.com/read/28807416/phthalates-heavy-metals-and-pahs-in-an-overpopulated-coastal-region-inferences-from-abruzzo-central-italy
#17
Francesco Stoppa, Mariangela Schiazza, Jacopo Pellegrini, Francesco Antonio Ambrosio, Gianluigi Rosatelli, Maria R D'Orsogna
Phthalates are an emerging class of environmental pollutants whose distribution and effects in aquatic environments are not well characterized. We analyzed intertidal and emerged beach sediments from the Abruzzo coastline, along the Adriatic Sea, finding significant phthalate concentrations in marine sediments. Phthalate baseline levels in the intertidal environment, marked by substantial interplay of sediment, water and air, were determined. We used statistical rank methods to select representative phthalate compositions, for which we derived risk levels for ingestion, dermal absorption and inhalation...
August 11, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28806704/chiral-pharmaceuticals-a-review-on-their-environmental-occurrence-and-fate-processes
#18
REVIEW
Edmond Sanganyado, Zhijiang Lu, Qiuguo Fu, Daniel Schlenk, Jay Gan
More than 50% of pharmaceuticals in current use are chiral compounds. Enantiomers of the same pharmaceutical have identical physicochemical properties, but may exhibit differences in pharmacokinetics, pharmacodynamics and toxicity. The advancement in separation and detection methods has made it possible to analyze trace amounts of chiral compounds in environmental media. As a result, interest on chiral analysis and evaluation of stereoselectivity in environmental occurrence, phase distribution and degradation of chiral pharmaceuticals has grown substantially in recent years...
August 5, 2017: Water Research
https://www.readbyqxmd.com/read/28806683/asymmetric-polyplex-nanocapsules-loaded-with-photosentisizer-for-light-assisted-gene-transfer
#19
Xuemin Lu, Li Liu
Inefficient intracellular gene delivery is still a limitation for the clinical translation of gene therapy. Recently, photochemical internalization (PCI) has emerged with the opportunity to overcome endo-lysosomal sequestration in gene delivery, which utilizes photosensitizer (PS) plus light generating reactive oxygen species (ROS) at sub-lethal level to facilitate intracellularly targeted drug delivery. In this work, asymmetric polyplex-nanocapsules were prepared based on the triblock copolymers of PEG-PCL-PEI by using the simple solvent-injection method...
August 7, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28806405/characterizing-the-influence-of-transportation-infrastructure-on-emergency-medical-services-ems-in-urban-area-a-case-study-of-seoul-south-korea
#20
Jungwoo Cho, Myoungsoon You, Yoonjin Yoon
In highly urbanized area where traffic condition fluctuates constantly, transportation infrastructure is one of the major contributing factors to Emergency Medical Service (EMS) availability and patient outcome. In this paper, we assess the impact of traffic fluctuation to the EMS first response availability in urban area, by evaluating the k-minute coverage under 21 traffic scenarios. The set of traffic scenarios represents the time-of-day and day-of-week effects, and is generated by combining road link speed information from multiple historical speed databases...
2017: PloS One
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