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https://www.readbyqxmd.com/read/28449405/the-impact-of-lesion-location-on-dysphagia-incidence-pattern-and-complications-in-acute-stroke-part-2-oropharyngeal-residue-swallow-and-cough-response-and-pneumonia
#1
S Suntrup-Krueger, A Kemmling, T Warnecke, C Hamacher, S Oelenberg, T Niederstadt, W Heindel, H Wiendl, R Dziewas
BACKGROUND AND PURPOSE: Dysphagia is a well-known complication of acute stroke. Given the complexity of cerebral swallowing control it is still difficult to predict which patients are likely to develop swallowing dysfunction based on their neuroimaging. In Part 2 of a comprehensive voxel-based imaging study, whether the location of a stroke lesion can be correlated with further dysfunctional swallowing patterns, pulmonary protective reflexes and pneumonia was evaluated. METHODS: In all, 200 acute stroke cases were investigated applying flexible endoscopic evaluation of swallowing within 96 h from admission...
April 27, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28449116/the-iconography-of-mourning-and-its-neural-correlates-a-functional-neuroimaging-study
#2
Karin Labek, Samantha Berger, Anna Buchheim, Julia Bosch, Jennifer Spohrs, Lisa Dommes, Petra Beschoner, Julia C Stingl, Roberto Viviani
The present functional neuroimaging study focuses on the iconography of mourning. A culture-specific pattern of body postures of mourning individuals, mostly suggesting withdrawal, emerged from a survey of visual material. When used in different combinations in stylized drawings in our neuroimaging study, this material activated cortical areas commonly seen in studies of social cognition (temporo-parietal junction, superior temporal gyrus, and inferior temporal lobe), empathy for pain (somatosensory cortex), and loss (precuneus, middle/posterior cingular gyrus)...
April 25, 2017: Social Cognitive and Affective Neuroscience
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
#3
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/28448683/magnetic-resonance-imaging-connectivity-for-the-prediction-of-seizure-outcome-in-temporal-lobe-epilepsy
#4
Victoria L Morgan, Dario J Englot, Baxter P Rogers, Bennett A Landman, Ahmet Cakir, Bassel W Abou-Khalil, Adam W Anderson
OBJECTIVE: Currently, approximately 60-70% of patients with unilateral temporal lobe epilepsy (TLE) remain seizure-free 3 years after surgery. The goal of this work was to develop a presurgical connectivity-based biomarker to identify those patients who will have an unfavorable seizure outcome 1-year postsurgery. METHODS: Resting-state functional and diffusion-weighted 3T magnetic resonance imaging (MRI) was acquired from 22 unilateral (15 right, 7 left) patients with TLE and 35 healthy controls...
April 27, 2017: Epilepsia
https://www.readbyqxmd.com/read/28447646/a-130-000-year-old-archaeological-site-in-southern-california-usa
#5
Steven R Holen, Thomas A Deméré, Daniel C Fisher, Richard Fullagar, James B Paces, George T Jefferson, Jared M Beeton, Richard A Cerutti, Adam N Rountrey, Lawrence Vescera, Kathleen A Holen
The earliest dispersal of humans into North America is a contentious subject, and proposed early sites are required to meet the following criteria for acceptance: (1) archaeological evidence is found in a clearly defined and undisturbed geologic context; (2) age is determined by reliable radiometric dating; (3) multiple lines of evidence from interdisciplinary studies provide consistent results; and (4) unquestionable artefacts are found in primary context. Here we describe the Cerutti Mastodon (CM) site, an archaeological site from the early late Pleistocene epoch, where in situ hammerstones and stone anvils occur in spatio-temporal association with fragmentary remains of a single mastodon (Mammut americanum)...
April 26, 2017: Nature
https://www.readbyqxmd.com/read/28447098/application-of-natural-language-processing-and-network-analysis-techniques-to-post-market-reports-for-the-evaluation-of-dose-related-anti-thymocyte-globulin-safety-patterns
#6
Taxiarchis Botsis, Matthew Foster, Nina Arya, Kory Kreimeyer, Abhishek Pandey, Deepa Arya
OBJECTIVE: To evaluate the feasibility of automated dose and adverse event information retrieval in supporting the identification of safety patterns. METHODS: We extracted all rabbit Anti-Thymocyte Globulin (rATG) reports submitted to the United States Food and Drug Administration Adverse Event Reporting System (FAERS) from the product's initial licensure in April 16, 1984 through February 8, 2016. We processed the narratives using the Medication Extraction (MedEx) and the Event-based Text-mining of Health Electronic Records (ETHER) systems and retrieved the appropriate medication, clinical, and temporal information...
April 26, 2017: Applied Clinical Informatics
https://www.readbyqxmd.com/read/28446580/entrainment-of-visual-steady-state-responses-is-modulated-by-global-spatial-statistics
#7
Thomas Nguyen, Karl Kuntzelman, Vladimir Miskovic
The rhythmic delivery of visual stimuli evokes large-scale neuronal entrainment in the form of steady-state oscillatory field responses. The spatio-temporal properties of stimulus drive appear to constrain the relative degrees of neuronal entrainment. Specific frequency ranges, for example, are uniquely suited for enhancing the strength of stimulus-driven brain oscillations. When it comes to the nature of the visual stimulus itself, studies have used a plethora of inputs ranging from spatially unstructured empty fields to simple contrast patterns (checkerboards, gratings, stripes) and complex arrays (human faces, houses, natural scenes)...
April 26, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28446227/pattern-analysis-of-schistosomiasis-prevalence-by-exploring-predictive-modeling-in-jiangling-county-hubei-province-p-r-china
#8
Shang Xia, Jing-Bo Xue, Xia Zhang, He-Hua Hu, Eniola Michael Abe, David Rollinson, Robert Bergquist, Yibiao Zhou, Shi-Zhu Li, Xiao-Nong Zhou
BACKGROUND: The prevalence of schistosomiasis remains a key public health issue in China. Jiangling County in Hubei Province is a typical lake and marshland endemic area. The pattern analysis of schistosomiasis prevalence in Jiangling County is of significant importance for promoting schistosomiasis surveillance and control in the similar endemic areas. METHODS: The dataset was constructed based on the annual schistosomiasis surveillance as well the socio-economic data in Jiangling County covering the years from 2009 to 2013...
April 26, 2017: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/28445885/patterns-of-microglial-cell-activation-in-alzheimer-disease-and-frontotemporal-lobar-degeneration
#9
Ricardo Taipa, Paulo Brochado, Andrew Robinson, Inês Reis, Patrício Costa, David M Mann, Manuel Melo Pires, Nuno Sousa
AIMS: Microglia-driven neuroinflammation can play an important role in the pathophysiology of neurodegenerative disorders. In this study, we sought to characterize the distribution of microglial cell activation in 2 neurodegenerative dementias with distinct protein signatures, Alzheimer disease (AD) and frontotemporal lobar degeneration (FTLD) of the TDP subtype, and to determine if there was an anatomical correlation with the phenotypes most commonly associated with these conditions...
April 27, 2017: Neuro-degenerative Diseases
https://www.readbyqxmd.com/read/28445588/the-relative-importance-of-pollinator-abundance-and-species-richness-for-the-temporal-variance-of-pollination-services
#10
Mark A Genung, Jeremy Fox, Neal M Williams, Claire Kremen, John Ascher, Jason Gibbs, Rachael Winfree
The relationship between biodiversity and the stability of ecosystem function is a fundamental question in community ecology, and hundreds of experiments have shown a positive relationship between species richness and the stability of ecosystem function. However, these experiments have rarely accounted for common ecological patterns, most notably skewed species abundance distributions and non-random extinction risks, making it difficult to know whether experimental results can be scaled up to larger, less manipulated systems...
April 26, 2017: Ecology
https://www.readbyqxmd.com/read/28445505/dominance-of-an-alien-shrub-rhus-typhina-over-a-native-shrub-vitex-negundo-var-heterophylla-under-variable-water-supply-patterns
#11
Ning Du, Xiangfeng Tan, Qiang Li, Xiao Liu, Wenxin Zhang, Renqing Wang, Jian Liu, Weihua Guo
Temporal heterogeneity of a resource supply can have a profound effect on the interactions between alien and native plant species and their potential invasiveness. Precipitation patterns may be variable and result in a higher heterogeneity of water supply with global climate change. In this study, an alien shrub species, Rhus typhina, introduced to China from North America and a native shrub species, Vitex negundo var. heterophylla, were grown in monoculture and mixed culture under different water supply regimes, with four levels of water supply frequencies but with a constant level of total supplied water...
2017: PloS One
https://www.readbyqxmd.com/read/28444616/genome-wide-identification-of-grain-filling-genes-regulated-by-the-ossmf1-transcription-factor-in-rice
#12
Joung Sug Kim, Songhwa Chae, Kyong Mi Jun, Yoon-Mok Pahk, Tae-Ho Lee, Pil Joong Chung, Yeon-Ki Kim, Baek Hie Nahm
BACKGROUND: Spatial- and temporal-specific expression patterns are primarily regulated at the transcriptional level by gene promoters. Therefore, it is important to identify the binding motifs of transcription factors to better understand the networks associated with embryogenesis. RESULTS: Here, we used a protein-binding microarray (PBM) to identify the binding motifs of OsSMF1, which is a basic leucine zipper transcription factor involved in the regulation of rice seed maturation...
December 2017: Rice
https://www.readbyqxmd.com/read/28444485/evaluation-of-kinetic-programs-in-various-automated-perimeters
#13
Shigeki Hashimoto, Chota Matsumoto, Mariko Eura, Sachiko Okuyama, Yoshikazu Shimomura
PURPOSE: Kinetic programs in four automated perimeters were evaluated and compared for their clinical usefulness using four simulated visual field (VF) patterns. METHODS: Using the results of conventional Goldmann manual kinetic perimetry (MKP), simulated fields with concentric contraction, a temporal residual island only, a small central island with a temporal island, and a ring scotoma were created. Four kinetic programs, Humphrey 750i Kinetic Test (Humphrey), OCULUS Twinfield 2 Kinetic Perimetry (OCULUS), OCTOPUS 900 Goldmann Kinetic Perimetry (OCTOPUS GKP), and Kowa AP-7000 Isopter (Kowa) were tested by the 4 simulated defect patterns using stimuli of V/4e, I/4e, I/3e, I/2e, and I/1e at speeds of 3 and 5°/s...
April 25, 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28444225/genetic-influence-on-the-sulcal-pits-on-the-origin-of-the-first-cortical-folds
#14
Yann Le Guen, Guillaume Auzias, François Leroy, Marion Noulhiane, Ghislaine Dehaene-Lambertz, Edouard Duchesnay, Jean-François Mangin, Olivier Coulon, Vincent Frouin
The influence of genes on cortical structures has been assessed through various phenotypes. The sulcal pits, which are the putative first cortical folds, have for long been assumed to be under tight genetic control, but this was never quantified. We estimated the pit depth heritability in various brain regions using the high quality and large sample size of the Human Connectome Project pedigree cohort. Analysis of additive genetic variance indicated that their heritability ranges between 0.2 and 0.5 and displays a regional genetic control with an overall symmetric pattern between hemispheres...
April 21, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28444204/murine-models-of-sepsis-and-trauma-can-we-bridge-the-gap
#15
Julie A Stortz, Steven L Raymond, Juan C Mira, Lyle L Moldawer, Alicia M Mohr, Philip A Efron
Sepsis and trauma are both leading causes of death in the United States and represent major public health challenges. Murine models have largely been used in sepsis and trauma research to better understand the pathophysiological changes that occur after an insult and to develop potential life-saving therapeutic agents. Mice are favorable subjects for this type of research given the variety of readily available strains including inbred, outbred, and transgenic strains. In addition, they are relatively easy to maintain and have a high fecundity...
April 21, 2017: ILAR Journal
https://www.readbyqxmd.com/read/28444200/the-mediterranean-the-cradle-of-anthoxanthum-poaceae-diploid-diversity
#16
Zuzana Chumová, Eliška Záveská, Terezie Mandáková, Karol Krak, Pavel Trávnícek
Background and Aims: Knowledge of diploid phylogeny and ecogeography provide a foundation for understanding plant evolutionary history, diversification patterns and taxonomy. The genus Anthoxanthum (vernal grasses, Poaceae) represents a taxonomically intricate polyploid complex with large phenotypic variation and poorly resolved evolutionary relationships. The aims of the study were to reveal: (1) evolutionary lineages of the diploid taxa and their genetic differentiation; (2) the past distribution of the rediscovered 'Mediterranean diploid'; and (3) possible migration routes of diploids in the Mediterranean...
April 21, 2017: Annals of Botany
https://www.readbyqxmd.com/read/28443660/assessing-the-risk-of-engineered-nanomaterials-in-the-environment-development-and-application-of-the-nanofate-model
#17
Kendra L Garner, Sangwon Suh, Arturo A Keller
We developed a dynamic multimedia fate and transport model (nanoFate) to predict the time-dependent accumulation of metallic engineered nanomaterials (ENMs) across environmental media. nanoFate considers a wider range of processes and environmental sub-compartments than most previous models and considers ENM releases to compartments (e.g. urban, agriculture) in a manner that reflects their different patterns of use and disposal. As an example, we simulated ten years of release of nano CeO2, CuO, TiO2, and ZnO in the San Francisco Bay area...
April 26, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28443333/emulation-and-sensitivity-analysis-of-the-cmaq-model-for-a-uk-ozone-pollution-episode
#18
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
#19
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/28442883/a-comment-on-frontal-fibrosing-alopecia-axel-munthe-s-syndrome
#20
Ralph M Trüeb
Frontal fibrosing alopecia (FFA) represents a peculiar condition with a quasi-symmetrical, marginal alopecia along the frontal and temporal hairline with scarring. Steven Kossard is credited with the original description of the condition in 1994. Since its first description, FFA has become increasingly common while its etiology has remained obscure. While FFA has been related to lichen planopilaris, in fact, the pattern of clinical disease presentation might be more specific for the condition than the underlying inflammatory autoimmune reaction...
October 2016: International Journal of Trichology
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