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https://www.readbyqxmd.com/read/28448988/anaemia-following-artemisinin-based-combination-treatments-of-uncomplicated-plasmodium-falciparum-malaria-in-children-temporal-patterns-of-haematocrit-and-the-use-of-uncomplicated-hyperparasitaemia-as-a-model-for-evaluating-late-appearing-anaemia
#1
Akin Sowunmi, Kazeem Akano, Godwin Ntadom, Adejumoke Ayede, Stephen Oguche, Chimere Agomo, Henrietta Okafor, Ismaila Watila, Martin Meremikwu, William Ogala, Philip Agomo, Elsie Adowoye, Bayo Fatunmbi, Temitope Aderoyeje, Christian Happi, Grace Gbotosho, Onikepe Folarin
BACKGROUND: In severe malaria, intravenous artesunate may cause delayed haemolytic anaemia but there has been little evaluation of the propensity of oral artemisinin-based combination treatments (ACTs) to cause late-appearing anaemia. METHODS: The frequency of anaemia (haematocrit <30%), and temporal changes in haematocrit were evaluated in 1,191 malarious children following ACTs. "Haematocrit conservation" was evaluated by using the fall in haematocrit/1,000 asexual parasites cleared from the peripheral blood (FIH/1,000 asexual parasites cpb), and the ratio of the average haematocrit (on the first 3 days of starting treatment):total parasitaemia cleared...
April 28, 2017: Chemotherapy
https://www.readbyqxmd.com/read/28443333/emulation-and-sensitivity-analysis-of-the-cmaq-model-for-a-uk-ozone-pollution-episode
#2
Andrew V Beddows, Nutthida Kitwiroon, Martin L Williams, Sean D Beevers
Gaussian process emulation techniques have been used for the first time with the CMAQ model, simulating the effects of input uncertainties on ozone and NO\textsubscript{2} output, to allow robust global sensitivity analysis (SA). A screening process ranked the effect of perturbations in 223 inputs, isolating the 30 most influential from emissions, boundary conditions (BCs) and reaction rates. CMAQ simulations of a July 2006 ozone pollution episode in the UK were made with input values for these variables plus ozone dry deposition velocity chosen according to a 576 point Latin hypercube design...
April 26, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28442990/spatiotemporal-and-long-lasting-modulation-of-11-key-nogo-signaling-genes-in-response-to-strong-neuroexcitation
#3
Tobias E Karlsson, Katrin Wellfelt, Lars Olson
Inhibition of nerve growth and plasticity in the CNS is to a large part mediated by Nogo-like signaling, now encompassing a plethora of ligands, receptors, co-receptors and modulators. Here we describe the distribution and levels of mRNA encoding 11 key genes involved in Nogo-like signaling (Nogo-A, Oligodendrocyte-Myelin glycoprotein (OMgp), Nogo receptor 1 (NgR1), NgR2, NgR3, Lingo-1, TNF receptor orphan Y (Troy), Olfactomedin, Lateral olfactory tract usher substance (Lotus) and membrane-type matrix metalloproteinase-3 (MT3-MPP)), as well as BDNF and GAPDH...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28442113/temporal-patterns-of-dengue-epidemics-the-case-of-recent-outbreaks-in-kaohsiung
#4
Mattia Sanna, Ying-Hen Hsieh
OBJECTIVE: To investigate whether major dengue outbreaks in the last two decades in Kaohsiung follow a precise temporal pattern. METHODS: Government daily lab-confirmed dengue case data from three major dengue outbreaks occurring during the last two decades in Kaohsiung in 2002, 2014 and 2015, is utilized to compute the corresponding weekly cumulative percentage of total case numbers. We divide each of the three time series data into two periods to examine the corresponding weekly cumulative percentages of case numbers for each period...
March 2017: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/28440000/human-symptom-responses-to-bioeffluents-short-chain-carbonyls-acids-and-long-chain-carbonyls-in-a-simulated-aircraft-cabin-environment
#5
Clifford P Weisel, Nancy Fiedler, Charles J Weschler, Pamela Ohman-Strickland, Krishnan R Mohan, Kathy McNeil, David Space
Occupants of aircraft have reported an array of symptoms related to general discomfort and irritation. Volatile organic compounds (VOCs) have been suggested to contribute to the reported symptoms. VOCs are from products used, bioeffluents from people and ozone reaction products. Thirty-six healthy, young female subjects rated symptoms and environmental quality during an 8-hour exposure to groups of compounds often present in aircraft: 1) long chain carbonyls, 2) simulated bioeffluents, and 3) short chain carbonyls/organic acids...
April 25, 2017: Indoor Air
https://www.readbyqxmd.com/read/28436263/modern-methods-for-modeling-change-in-obesity-research-in-nursing
#6
Susan M Sereika, Yaguang Zheng, Lu Hu, Lora E Burke
Persons receiving treatment for weight loss often demonstrate heterogeneity in lifestyle behaviors and health outcomes over time. Traditional repeated measures approaches focus on the estimation and testing of an average temporal pattern, ignoring the interindividual variability about the trajectory. An alternate person-centered approach, group-based trajectory modeling, can be used to identify distinct latent classes of individuals following similar trajectories of behavior or outcome change as a function of age or time and can be expanded to include time-invariant and time-dependent covariates and outcomes...
April 1, 2017: Western Journal of Nursing Research
https://www.readbyqxmd.com/read/28434864/sensorimotor-representations-in-cerebellar-granule-cells-in-larval-zebrafish-are-dense-spatially-organized-and-non-temporally-patterned
#7
Laura D Knogler, Daniil A Markov, Elena I Dragomir, Vilim Štih, Ruben Portugues
A fundamental question in neurobiology is how animals integrate external sensory information from their environment with self-generated motor and sensory signals in order to guide motor behavior and adaptation. The cerebellum is a vertebrate hindbrain region where all of these signals converge and that has been implicated in the acquisition, coordination, and calibration of motor activity. Theories of cerebellar function postulate that granule cells encode a variety of sensorimotor signals in the cerebellar input layer...
April 14, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28430696/sequential-analysis-of-a-panel-of-biomarkers-and-pathologic-findings-in-a-resuscitated-rat-model-of-sepsis-and-recovery
#8
Nishkantha Arulkumaran, Marije L Sixma, Elisa Jentho, Elias Ceravola, Paul S Bass, John A Kellum, Robert J Unwin, Fred W K Tam, Mervyn Singer
OBJECTIVES: To characterize the temporal pattern of a panel of blood and urinary biomarkers in an animal model of fecal peritonitis and recovery. DESIGN: Prospective observational animal study. SETTING: University research laboratory. SUBJECTS: Male Wistar rats. INTERVENTIONS: A fluid-resuscitated, long-term (3 d) rat model of sepsis (fecal peritonitis) and recovery was used to understand the temporal association of sepsis biomarkers in relation to systemic hemodynamics, inflammation, and renal function...
April 20, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28429147/docetaxel-related-fatigue-in-men-with-metastatic-prostate-cancer-a-descriptive-analysis
#9
A R T Bergin, E Hovey, A Lloyd, G Marx, P Parente, T Rapke, P de Souza
PURPOSE: Fatigue is a prevalent and debilitating side effect of docetaxel chemotherapy in metastatic prostate cancer. A better understanding of the kinetics and nature of docetaxel-related fatigue may provide a framework for intervention. METHODS: This secondary analysis was performed using the MOTIF database, from a phase III, randomised, double-blind, placebo-controlled study of modafinil (200 mg/day for 15 days) for docetaxel-related fatigue in men with metastatic prostate cancer [1]...
April 20, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28424778/estimation-of-time-dependent-reproduction-numbers-for-porcine-reproductive-and-respiratory-syndrome-across-different-regions-and-production-systems-of-the-us
#10
Andréia G Arruda, Moh A Alkhamis, Kimberly VanderWaal, Robert B Morrison, Andres M Perez
Porcine reproductive and respiratory syndrome (PRRS) is, arguably, the most impactful disease for the North American swine industry, due to its known considerable economic losses. The Swine Health Monitoring Project (SHMP) monitors and reports weekly new PRRS cases in 766 sow herds across the US. The time-dependent reproduction number (TD-R) is a measure of a pathogen's transmissibility. It may serve to capture and report PRRS virus (PRRSV) spread at the regional and system levels. The primary objective of the study here was to estimate the TD-R values for PRRSV using regional and system-level PRRS data, and to contrast it with commonly used metrics of disease, such as incidence estimates and space-time clusters...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28419310/calmodulin-as-a-ca2-sensing-subunit-of-arabidopsis-cyclic-nucleotide-gated-channel-complexes
#11
Cornelia Fischer, Thomas A DeFalco, Purva Karia, Wayne A Snedden, Wolfgang Moeder, Keiko Yoshioka, Petra Dietrich
Ca2+ serves as a universal second messenger in eukaryotic signaling pathways, and the spatial and temporal patterns of Ca2+ concentration changes are determined by feedback and feed-forward regulation of the involved transport proteins. Cyclic nucleotide-gated channels (CNGCs) are Ca2+-permeable channels that interact with the ubiquitous Ca2+ sensor calmodulin (CaM). CNGCs interact with CaMs via diverse CaM-binding sites, including an IQ-motif, which has been identified in the C-termini of CNGC20 and CNGC12...
April 13, 2017: Plant & Cell Physiology
https://www.readbyqxmd.com/read/28413850/scenarios-in-tropical-forest-degradation-carbon-stock-trajectories-for-redd
#12
REVIEW
Rafael B de Andrade, Jennifer K Balch, Amoreena L Parsons, Dolors Armenteras, Rosa Maria Roman-Cuesta, Janette Bulkan
BACKGROUND: Human-caused disturbance to tropical rainforests-such as logging and fire-causes substantial losses of carbon stocks. This is a critical issue to be addressed in the context of policy discussions to implement REDD+. This work reviews current scientific knowledge about the temporal dynamics of degradation-induced carbon emissions to describe common patterns of emissions from logging and fire across tropical forest regions. Using best available information, we: (i) develop short-term emissions factors (per area) for logging and fire degradation scenarios in tropical forests; and (ii) describe the temporal pattern of degradation emissions and recovery trajectory post logging and fire disturbance...
December 2017: Carbon Balance and Management
https://www.readbyqxmd.com/read/28413729/elucidating-the-diet-of-the-island-flying-fox-pteropus-hypomelanus-in-peninsular-malaysia-through-illumina-next-generation-sequencing
#13
Sheema Abdul Aziz, Gopalasamy Reuben Clements, Lee Yin Peng, Ahimsa Campos-Arceiz, Kim R McConkey, Pierre-Michel Forget, Han Ming Gan
There is an urgent need to identify and understand the ecosystem services of pollination and seed dispersal provided by threatened mammals such as flying foxes. The first step towards this is to obtain comprehensive data on their diet. However, the volant and nocturnal nature of bats presents a particularly challenging situation, and conventional microhistological approaches to studying their diet can be laborious and time-consuming, and provide incomplete information. We used Illumina Next-Generation Sequencing (NGS) as a novel, non-invasive method for analysing the diet of the island flying fox (Pteropus hypomelanus) on Tioman Island, Peninsular Malaysia...
2017: PeerJ
https://www.readbyqxmd.com/read/28412930/large-scale-analysis-of-post-translational-modifications-in-e-coli-under-glucose-limiting-conditions
#14
Colin W Brown, Viswanadham Sridhara, Daniel R Boutz, Maria D Person, Edward M Marcotte, Jeffrey E Barrick, Claus O Wilke
BACKGROUND: Post-translational modification (PTM) of proteins is central to many cellular processes across all domains of life, but despite decades of study and a wealth of genomic and proteomic data the biological function of many PTMs remains unknown. This is especially true for prokaryotic PTM systems, many of which have only recently been recognized and studied in depth. It is increasingly apparent that a deep sampling of abundance across a wide range of environmental stresses, growth conditions, and PTM types, rather than simply cataloging targets for a handful of modifications, is critical to understanding the complex pathways that govern PTM deposition and downstream effects...
April 17, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28411410/spatio-temporal-patterns-of-event-related-potentials-related-to-audiovisual-synchrony-judgments-in-older-adults
#15
Yu Man Chan, Michael Julian Pianta, Stefan Bode, Allison Maree McKendrick
Older adults have altered perception of the relative timing between auditory and visual stimuli, even when stimuli are scaled to equate detectability. To help understand why, this study investigated the neural correlates of audiovisual synchrony judgments in older adults using electroencephalography (EEG). Fourteen younger (18-32 year old) and 16 older (61-74 year old) adults performed an audiovisual synchrony judgment task on flash-pip stimuli while EEG was recorded. All participants were assessed to have healthy vision and hearing for their age...
March 18, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28411228/day-to-day-dynamics-of-commensal-escherichia-coli-in-zimbabwean-cows-evidence-temporal-fluctuations-within-a-host-specific-population-structure
#16
Méril Massot, Camille Couffignal, Olivier Clermont, Camille D'Humières, Jérémie Chatel, Nicolas Plault, Antoine Andremont, Alexandre Caron, France Mentré, Erick Denamur
To get insights in the temporal pattern of commensal Escherichia coli populations, we daily sampled feces of four healthy cows from the same herd over 25 days, in the Hwange district of Zimbabwe. The cows did not receive antibiotic treatment during the 3 previous months. We performed viable E. coli counts, and characterized at a clonal level, screened for stx and eae genes, and tested for antibiotic susceptibilities the 326 isolates originating from the 98 sampled stools. We observed that E. coli counts and dominant clones were different among cows, and very few clones were shared...
April 14, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28410528/modeling-the-spread-of-avian-influenza-viruses-in-aquatic-reservoirs-a-novel-hydrodynamic-approach-applied-to-the-rh%C3%A3-ne-delta-southern-france
#17
Marion Vittecoq, Hermann Gauduin, Thibault Oudart, Olivier Bertrand, Benjamin Roche, Matthieu Guillemain, Olivier Boutron
Wild aquatic birds represent a natural reservoir of avian influenza viruses (AIV) that can be spread to poultry. AIV epizootics were associated with huge economic impacts during the last decades and are still of major concern. Within aquatic bird populations AIV are transmitted either by direct contact or through the ingestion of water that has been contaminated by infected individuals. This second route involving environmental transmission is of utmost importance in AIV dynamics, yet it has received far less attention than direct bird-to-bird contamination...
April 11, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28407480/the-landscape-ecology-and-microbiota-of-the-human-nose-mouth-and-throat
#18
REVIEW
Diana M Proctor, David A Relman
Landscape ecology examines the relationships between the spatial arrangement of different landforms and the processes that give rise to spatial and temporal patterns in local community structure. The spatial ecology of the microbial communities that inhabit the human body-in particular, those of the nose, mouth, and throat-deserves greater attention. Important questions include what defines the size of a population (i.e., "patch") in a given body site, what defines the boundaries of distinct patches within a single body site, and where and over what spatial scales within a body site are gradients detected...
April 12, 2017: Cell Host & Microbe
https://www.readbyqxmd.com/read/28406470/spatio-temporal-pattern-and-risk-factor-analysis-of-hand-foot-and-mouth-disease-associated-with-under-five-morbidity-in-the-beijing-tianjin-hebei-region-of-china
#19
https://www.readbyqxmd.com/read/28403677/spatial-temporal-variations-of-crime-a-routine-activity-theory-perspective
#20
Silas Nogueira de Melo, Débora V S Pereira, Martin A Andresen, Lindon Fonseca Matias
Temporal and spatial patterns of crime in Campinas, Brazil, are analyzed considering the relevance of routine activity theory in a Latin American context. We use geo-referenced criminal event data, 2010-2013, analyzing spatial patterns using census tracts and temporal patterns considering seasons, months, days, and hours. Our analyses include difference in means tests, count-based regression models, and Kulldorff's scan test. We find that crime in Campinas, Brazil, exhibits both temporal and spatial-temporal patterns...
April 1, 2017: International Journal of Offender Therapy and Comparative Criminology
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