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https://www.readbyqxmd.com/read/27920394/blood-transfusion-delay-and-outcome-in-county-hospitals-in-kenya
#1
Julius Thomas, Philip Ayieko, Morris Ogero, Susan Gachau, Boniface Makone, Wycliffe Nyachiro, George Mbevi, Mercy Chepkirui, Lucas Malla, Jacquie Oliwa, Grace Irimu, Mike English
Severe anemia is a leading indication for blood transfusion and a major cause of hospital admission and mortality in African children. Failure to initiate blood transfusion rapidly enough contributes to anemia deaths in sub-Saharan Africa. This article examines delays in accessing blood and outcomes in transfused children in Kenyan hospitals. Children admitted with nonsurgical conditions in 10 Kenyan county hospitals participating in the Clinical Information Network who had blood transfusion ordered from September 2013 to March 2016 were studied...
December 5, 2016: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/27919875/the-layered-learning-practice-model-lessons-learned-from-implementation
#2
Nicole R Pinelli, Stephen F Eckel, Maihan B Vu, Morris Weinberger, Mary T Roth
PURPOSE: Pharmacists' views about the implementation, benefits, and attributes of a layered learning practice model (LLPM) were examined. METHODS: Eligible and willing attending pharmacists at the same institution that had implemented an LLPM completed an individual, 90-minute, face-to-face interview using a structured interview guide developed by the interdisciplinary study team. Interviews were digitally recorded and transcribed verbatim without personal identifiers...
December 15, 2016: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/27919184/role-of-engineered-metal-oxide-nanoparticle-agglomeration-in-reactive-oxygen-species-generation-and-cathepsin-b-release-in-nlrp3-inflammasome-activation-and-pulmonary-toxicity
#3
Tina M Sager, Michael Wolfarth, Stephen S Leonard, Anna M Morris, Dale W Porter, Vincent Castranova, Andrij Holian
Incomplete understanding of the contributions of dispersants and engineered nanoparticles/materials (ENM) agglomeration state to biological outcomes presents an obstacle for toxicological studies. Although reactive oxygen species (ROS) production is often regarded as the primary indicator of ENM bioactivity and toxicity, it remains unclear whether ENM produce ROS or whether ROS is an outcome of ENM-induced cell injury. Phagolysosomal disruption and cathepsin B release also promote bioactivity through inflammasome activation...
December 5, 2016: Inhalation Toxicology
https://www.readbyqxmd.com/read/27918535/disease-variants-alter-transcription-factor-levels-and-methylation-of-their-binding-sites
#4
Marc Jan Bonder, René Luijk, Daria V Zhernakova, Matthijs Moed, Patrick Deelen, Martijn Vermaat, Maarten van Iterson, Freerk van Dijk, Michiel van Galen, Jan Bot, Roderick C Slieker, P Mila Jhamai, Michael Verbiest, H Eka D Suchiman, Marijn Verkerk, Ruud van der Breggen, Jeroen van Rooij, Nico Lakenberg, Wibowo Arindrarto, Szymon M Kielbasa, Iris Jonkers, Peter van 't Hof, Irene Nooren, Marian Beekman, Joris Deelen, Diana van Heemst, Alexandra Zhernakova, Ettje F Tigchelaar, Morris A Swertz, Albert Hofman, André G Uitterlinden, René Pool, Jenny van Dongen, Jouke J Hottenga, Coen D A Stehouwer, Carla J H van der Kallen, Casper G Schalkwijk, Leonard H van den Berg, Erik W van Zwet, Hailiang Mei, Yang Li, Mathieu Lemire, Thomas J Hudson, P Eline Slagboom, Cisca Wijmenga, Jan H Veldink, Marleen M J van Greevenbroek, Cornelia M van Duijn, Dorret I Boomsma, Aaron Isaacs, Rick Jansen, Joyce B J van Meurs, Peter A C 't Hoen, Lude Franke, Bastiaan T Heijmans
Most disease-associated genetic variants are noncoding, making it challenging to design experiments to understand their functional consequences. Identification of expression quantitative trait loci (eQTLs) has been a powerful approach to infer the downstream effects of disease-associated variants, but most of these variants remain unexplained. The analysis of DNA methylation, a key component of the epigenome, offers highly complementary data on the regulatory potential of genomic regions. Here we show that disease-associated variants have widespread effects on DNA methylation in trans that likely reflect differential occupancy of trans binding sites by cis-regulated transcription factors...
December 5, 2016: Nature Genetics
https://www.readbyqxmd.com/read/27918534/multiethnic-genome-wide-meta-analysis-of-ectopic-fat-depots-identifies-loci-associated-with-adipocyte-development-and-differentiation
#5
Audrey Y Chu, Xuan Deng, Virginia A Fisher, Alexander Drong, Yang Zhang, Mary F Feitosa, Ching-Ti Liu, Olivia Weeks, Audrey C Choh, Qing Duan, Thomas D Dyer, John D Eicher, Xiuqing Guo, Nancy L Heard-Costa, Tim Kacprowski, Jack W Kent, Leslie A Lange, Xinggang Liu, Kurt Lohman, Lingyi Lu, Anubha Mahajan, Jeffrey R O'Connell, Ankita Parihar, Juan M Peralta, Albert V Smith, Yi Zhang, Georg Homuth, Ahmed H Kissebah, Joel Kullberg, René Laqua, Lenore J Launer, Matthias Nauck, Michael Olivier, Patricia A Peyser, James G Terry, Mary K Wojczynski, Jie Yao, Lawrence F Bielak, John Blangero, Ingrid B Borecki, Donald W Bowden, John Jeffrey Carr, Stefan A Czerwinski, Jingzhong Ding, Nele Friedrich, Vilmunder Gudnason, Tamara B Harris, Erik Ingelsson, Andrew D Johnson, Sharon L R Kardia, Carl D Langefeld, Lars Lind, Yongmei Liu, Braxton D Mitchell, Andrew P Morris, Thomas H Mosley, Jerome I Rotter, Alan R Shuldiner, Bradford Towne, Henry Völzke, Henri Wallaschofski, James G Wilson, Matthew Allison, Cecilia M Lindgren, Wolfram Goessling, L Adrienne Cupples, Matthew L Steinhauser, Caroline S Fox
Variation in body fat distribution contributes to the metabolic sequelae of obesity. The genetic determinants of body fat distribution are poorly understood. The goal of this study was to gain new insights into the underlying genetics of body fat distribution by conducting sample-size-weighted fixed-effects genome-wide association meta-analyses in up to 9,594 women and 8,738 men of European, African, Hispanic and Chinese ancestry, with and without sex stratification, for six traits associated with ectopic fat (hereinafter referred to as ectopic-fat traits)...
December 5, 2016: Nature Genetics
https://www.readbyqxmd.com/read/27918533/identification-of-context-dependent-expression-quantitative-trait-loci-in-whole-blood
#6
Daria V Zhernakova, Patrick Deelen, Martijn Vermaat, Maarten van Iterson, Michiel van Galen, Wibowo Arindrarto, Peter van 't Hof, Hailiang Mei, Freerk van Dijk, Harm-Jan Westra, Marc Jan Bonder, Jeroen van Rooij, Marijn Verkerk, P Mila Jhamai, Matthijs Moed, Szymon M Kielbasa, Jan Bot, Irene Nooren, René Pool, Jenny van Dongen, Jouke J Hottenga, Coen D A Stehouwer, Carla J H van der Kallen, Casper G Schalkwijk, Alexandra Zhernakova, Yang Li, Ettje F Tigchelaar, Niek de Klein, Marian Beekman, Joris Deelen, Diana van Heemst, Leonard H van den Berg, Albert Hofman, André G Uitterlinden, Marleen M J van Greevenbroek, Jan H Veldink, Dorret I Boomsma, Cornelia M van Duijn, Cisca Wijmenga, P Eline Slagboom, Morris A Swertz, Aaron Isaacs, Joyce B J van Meurs, Rick Jansen, Bastiaan T Heijmans, Peter A C 't Hoen, Lude Franke
Genetic risk factors often localize to noncoding regions of the genome with unknown effects on disease etiology. Expression quantitative trait loci (eQTLs) help to explain the regulatory mechanisms underlying these genetic associations. Knowledge of the context that determines the nature and strength of eQTLs may help identify cell types relevant to pathophysiology and the regulatory networks underlying disease. Here we generated peripheral blood RNA-seq data from 2,116 unrelated individuals and systematically identified context-dependent eQTLs using a hypothesis-free strategy that does not require previous knowledge of the identity of the modifiers...
December 5, 2016: Nature Genetics
https://www.readbyqxmd.com/read/27918274/stable-long-term-spatial-memory-in-young-and-aged-rats-achieved-with-a-one-day-morris-water-maze-training-protocol
#7
Ruth M Barrientos, Meagan M Kitt, Heather M D'Angelo, Linda R Watkins, Jerry W Rudy, Steven F Maier
Here, we present data demonstrating that a 1 d Morris water maze training protocol is effective at producing stable, long-term spatial memory in both young (3 mo old) and aged (24 mo old) F344xBN rats. Four trials in each of four sessions separated by a 2.5 h ISI produced robust selective search for the platform 1 and 4 d after training, in both age groups. A 1 h ISI protocol did not produce good retention. Also, compressing the trials into just two sessions separated by a 2.5 h ISI produced limited retention in only young rats...
December 2016: Learning & Memory
https://www.readbyqxmd.com/read/27917919/niptric-an-online-tool-for-clinical-interpretation-of-non-invasive-prenatal-testing-nipt-results
#8
Birgit Sikkema-Raddatz, Lennart F Johansson, Eddy N de Boer, Elles M J Boon, Ron F Suijkerbuijk, Katelijne Bouman, Catia M Bilardo, Morris A Swertz, Martijn Dijkstra, Irene M van Langen, Richard J Sinke, Gerard J Te Meerman
To properly interpret the result of a pregnant woman's non-invasive prenatal test (NIPT), her a priori risk must be taken into account in order to obtain her personalised a posteriori risk (PPR), which more accurately expresses her true likelihood of carrying a foetus with trisomy. Our aim was to develop a tool for laboratories and clinicians to calculate easily the PPR for genome-wide NIPT results, using diploid samples as a control group. The tool takes the a priori risk and Z-score into account. Foetal DNA percentage and coefficient of variation can be given default settings, but actual values should be used if known...
December 5, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27917522/genome-wide-survey-in-african-americans-demonstrates-potential-epistasis-of-fitness-in-the-human-genome
#9
Heming Wang, Yoonha Choi, Bamidele Tayo, Xuefeng Wang, Nathan Morris, Xiang Zhang, Uli Broeckel, Craig Hanis, Sharon Kardia, Susan Redline, Richard S Cooper, Hua Tang, Xiaofeng Zhu
The role played by epistasis between alleles at unlinked loci in shaping population fitness has been debated for many years and the existing evidence has been mainly accumulated from model organisms. In model organisms, fitness epistasis can be systematically inferred by detecting nonindependence of genotypic values between loci in a population and confirmed through examining the number of offspring produced in two-locus genotype groups. No systematic study has been conducted to detect epistasis of fitness in humans owing to experimental constraints...
December 5, 2016: Genetic Epidemiology
https://www.readbyqxmd.com/read/27917270/effect-of-creatine-supplementation-on-cognitive-performance-and-apoptosis-in-a-rat-model-of-amyloid-beta-induced-alzheimer-s-disease
#10
Malek Alimohammadi-Kamalabadi, Mohammadreza Eshraghian, Mohammad-Reza Zarindast, Abbas Aliaghaei, Hamideh Pishva
OBJECTIVES: Neuroprotective effect of creatine (Cr) against β-amyloid (Aβ) is reported in an in vitro study. This study investigated the effect of Cr supplementation on β-amyloid toxicity in vivo. MATERIALS AND METHODS: Thirty two, male Wistar rats were divided into 4 groups. During ten weeks of study, control group went through no surgical or dietary intervention. At the 4th week of study Sham group had a hippocampal normal saline injection, while Aβ and AβCr groups had an β-amyloid injection in the hippocampus...
November 2016: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/27916413/immunogenicity-and-protective-efficacy-of-a-single-dose-live-non-pathogenic-escherichia-coli-oral-vaccine-against-f4-positive-enterotoxigenic-escherichia-coli-challenge-in-pigs
#11
John Morris Fairbrother, Éric Nadeau, Louise Bélanger, Cindy-Love Tremblay, Danielle Tremblay, Mélanie Brunelle, Regina Wolf, Klaus Hellmann, Álvaro Hidalgo
Enterotoxigenic Escherichia coli strains expressing F4 (K88) fimbriae (F4-ETEC) are one of the most important causes of post-weaning diarrhea (PWD) in pigs. F4, a major antigen, plays an important role in the early steps of the infection. Herein, the efficacy of a live oral vaccine consisting of a non-pathogenic E. coli strain expressing F4 for protection of pigs against PWD was evaluated. Three blinded, placebo-controlled, block design, parallel-group confirmatory experiments were conducted, using an F4-ETEC PWD challenge model, each with a different vaccination-challenge interval (3, 7, and 21days)...
December 1, 2016: Vaccine
https://www.readbyqxmd.com/read/27916196/adaptive-activation-of-a-stress-response-pathway-improves-learning-and-memory-through-gs-and-%C3%AE-arrestin-1-regulated-lactate-metabolism
#12
Jun-Hong Dong, Yi-Jing Wang, Min Cui, Xiao-Jing Wang, Wen-Shuai Zheng, Ming-Liang Ma, Fan Yang, Dong-Fang He, Qiao-Xia Hu, Dao-Lai Zhang, Shang-Lei Ning, Chun-Hua Liu, Chuan Wang, Yue Wang, Xiang-Yao Li, Fan Yi, Amy Lin, Alem W Kahsai, Thomas Joseph Cahill, Zhe-Yu Chen, Xiao Yu, Jin-Peng Sun
BACKGROUND: Stress is a conserved physiological response in mammals. Whereas moderate stress strengthens memory to improve reactions to previously experienced difficult situations, too much stress is harmful. METHODS: We used specific β-adrenergic agonists, as well as β2-adrenergic receptor (β2AR) and arrestin knockout models, to study the effects of adaptive β2AR activation on cognitive function using Morris water maze and object recognition experiments. We used molecular and cell biological approaches to elucidate the signaling subnetworks...
October 13, 2016: Biological Psychiatry
https://www.readbyqxmd.com/read/27915227/prenatal-and-postnatal-polybrominated-diphenyl-ether-exposure-and-visual-spatial-abilities-in-children
#13
Ann M Vuong, Joseph M Braun, Kimberly Yolton, Changchun Xie, Glenys M Webster, Andreas Sjödin, Kim N Dietrich, Bruce P Lanphear, Aimin Chen
Polybrominated diphenyl ethers (PBDEs) are associated with impaired visual spatial abilities in toxicological studies, but no epidemiologic study has investigated PBDEs and visual spatial abilities in children. The Health Outcomes and Measures of the Environment Study, a prospective birth cohort (2003-2006, Cincinnati, OH), was used to examine prenatal and childhood PBDEs and visual spatial abilities in 199 children. PBDEs were measured at 16±3 weeks gestation and at 1, 2, 3, 5, and 8 years using gas chromatography/isotope dilution high-resolution mass spectrometry...
December 1, 2016: Environmental Research
https://www.readbyqxmd.com/read/27914889/ventricular-tachycardia-and-prolonged-qt-interval-presenting-as-seizure-like-activity-a-case-report
#14
Max Wentlandt, Stephen C Morris, Steven H Mitchell
Seizures can be difficult to distinguish from other causes of transient cerebral hypoxia in the emergency room. We present a case of seizure activity in a woman in whom EKG led to a diagnosis of intermittent monomorphic and polymorphic ventricular tachycardia (torsades de pointes), highlighting the need for careful consideration of alternative causes of seizures, even in patients with known epilepsy.
November 22, 2016: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27914825/amelioration-of-ischemia-reperfusion-induced-functional-and-biochemical-deficit-in-mice-by-ocimum-kilimandscharicum-leaf-extract
#15
Varinder Singh, Pawan Krishan, Nirmal Singh, Amit Kumar, Richa Shri
The genus Ocimum (family Lamiaceae) has been revered for its diverse biological activities. Various species have been used traditionally to treat CNS disorders and are proven to have neuroprotective effect that is often attributed to their significant antioxidant activity. Ocimum kilimandscharicum (Karpoora Thulasi), a prominent member of this genus is reported to have marked antioxidant activity but its neuroprotective potential has not been explored. Thus, present study was designed to evaluate the cerebroprotective effect of O...
November 30, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27914328/synthesis-and-stability-of-ir-820-and-fitc-doped-silica-nanoparticles
#16
Atul V Thorat, Tandra Ghoshal, Lan Chen, Justin D Holmes, Michael A Morris
Fluorescent silica nanoparticles (NPs) have potential in biomedical applications as diagnostics and traceable drug delivery agents. In this study, we have synthesized fluorescent dye grafted silica NPs in two step process. First, a stable method to synthesize various sizes of silica NPs ranging from 20 to 52, 95, 210 and 410nm have been successfully demonstrated. Secondly, as-synthesized silica NPs are readily grafted with some fluorescent dyes like IR-820 and fluorescein isothiocyanate (FITC) dyes by simple impregnation method...
November 15, 2016: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/27913626/ring-enhancing-spinal-cord-lesions-in-neuromyelitis-optica-spectrum-disorders
#17
Nicholas L Zalewski, Padraig P Morris, Brian G Weinshenker, Claudia F Lucchinetti, Yong Guo, Sean J Pittock, Karl N Krecke, Timothy J Kaufmann, Dean M Wingerchuk, Neeraj Kumar, Eoin P Flanagan
OBJECTIVE: We assessed the frequency and characteristics of ring-enhancing spinal cord lesions in neuromyelitis optica spectrum disorder (NMOSD) myelitis and myelitis of other cause. METHODS: We reviewed spinal cord MRIs for ring-enhancing lesions from 284 aquaporin-4 (AQP4)-IgG seropositive patients at Mayo Clinic from 1996 to 2014. Inclusion criteria were as follows: (1) AQP4-IgG seropositivity, (2) myelitis attack and (3) MRI spinal cord demonstrating ring-enhancement...
December 2, 2016: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/27913260/patients-preference-of-the-timed-up-and-go-tug-test-or-patient-reported-outcome-measures-proms-before-and-after-surgery-for-lumbar-degenerative-disc-disease
#18
Holger Joswig, Martin N Stienen, Nicolas R Smoll, Marco V Corniola, Ivan Chau, Karl Schaller, Gerhard Hildebrandt, Oliver P Gautschi
BACKGROUND: The Timed Up and Go (TUG) test, as a measure of objective functional impairment in lumbar degenerative disc disease (DDD), complements patient-reported outcome measures (PROMs) of subjective functional impairment. METHODS: Prospective two-center study on consecutive patients scheduled for surgical treatment for lumbar DDD who underwent an objective (TUG test) and subjective (PROMs) functional assessment before, as well as one and three days after surgery...
November 29, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27913157/further-evidence-of-alerted-default-network-connectivity-and-association-with-theory-of-mind-ability-in-schizophrenia
#19
Omar Mothersill, Noreen Tangney, Derek W Morris, Hazel McCarthy, Thomas Frodl, Michael Gill, Aiden Corvin, Gary Donohoe
BACKGROUND: Resting-state functional magnetic resonance imaging (rs-fMRI) has repeatedly shown evidence of altered functional connectivity of large-scale networks in schizophrenia. The relationship between these connectivity changes and behaviour (e.g. symptoms, neuropsychological performance) remains unclear. METHODS: Functional connectivity in 27 patients with schizophrenia or schizoaffective disorder, and 25 age and gender matched healthy controls was examined using rs-fMRI...
November 29, 2016: Schizophrenia Research
https://www.readbyqxmd.com/read/27911310/cholinergic-modification-of-neurogenesis-and-gliosis-improves-the-memory-of%C3%A2-a%C3%AE-ppswe-psen1de9-alzheimer-s-disease-model-mice-fed-a-high-fat-diet
#20
Takeshi Matsuda, Tatsuhiro Hisatsune
We previously reported that neuroinflammation contributes to the amnesia of AβPPswe/PSEN1dE9 Alzheimer's disease model mice fed a high-fat diet to induce type-2 diabetes (T2DM-AD mice), but the underlying mechanism for the memory decline remained unclear. Recent studies have suggested that cholinergic modulation is involved in neuroinflammatory cellular reactions including neurogenesis and gliosis, and in memory improvement. In this study, we administered a broad-spectrum cholinesterase inhibitor, rivastigmine (2 mg/kg/day, s...
November 28, 2016: Journal of Alzheimer's Disease: JAD
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