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https://www.readbyqxmd.com/read/28821015/extracting-replicable-associations-across-multiple-studies-empirical-bayes-algorithms-for-controlling-the-false-discovery-rate
#1
David Amar, Ron Shamir, Daniel Yekutieli
In almost every field in genomics, large-scale biomedical datasets are used to report associations. Extracting associations that recur across multiple studies while controlling the false discovery rate is a fundamental challenge. Here, we propose a new method to allow joint analysis of multiple studies. Given a set of p-values obtained from each study, the goal is to identify associations that recur in at least k > 1 studies while controlling the false discovery rate. We propose several new algorithms that differ in how the study dependencies are modeled, and compare them and extant methods under various simulated scenarios...
August 18, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28820139/risk-for-low-pathogenicity-avian-influenza-virus-on-poultry-farms-the-netherlands-2007-2013
#2
Ruth Bouwstra, Jose L Gonzales, Sjaak de Wit, Julia Stahl, Ron A M Fouchier, Armin R W Elbers
Using annual serologic surveillance data from all poultry farms in the Netherlands during 2007-2013, we quantified the risk for the introduction of low pathogenicity avian influenza virus (LPAIV) in different types of poultry production farms and putative spatial-environmental risk factors: distance from poultry farms to clay soil, waterways, and wild waterfowl areas. Outdoor-layer, turkey (meat and breeder), and duck (meat and breeder) farms had a significantly higher risk for LPAIV introduction than did indoor-layer farms...
September 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28819261/modified-vaccinia-virus-ankara-preferentially-targets-antigen-presenting-cells-in-vitro-ex-vivo-and-in-vivo
#3
Arwen F Altenburg, Carolien E van de Sandt, Bobby W S Li, Ronan J MacLoughlin, Ron A M Fouchier, Geert van Amerongen, Asisa Volz, Rudi W Hendriks, Rik L de Swart, Gerd Sutter, Guus F Rimmelzwaan, Rory D de Vries
Modified Vaccinia virus Ankara (MVA) is a promising vaccine vector with an excellent safety profile. However, despite extensive pre-clinical and clinical testing, surprisingly little is known about the cellular tropism of MVA, especially in relevant animal species. Here, we performed in vitro, ex vivo and in vivo experiments with recombinant MVA expressing green fluorescent protein (rMVA-GFP). In both human peripheral blood mononuclear cells and mouse lung explants, rMVA-GFP predominantly infected antigen presenting cells...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28818277/economics-of-self-measured-blood-pressure-monitoring-a-community-guide-systematic-review
#4
REVIEW
Verughese Jacob, Sajal K Chattopadhyay, Krista K Proia, David P Hopkins, Jeffrey Reynolds, Anilkrishna B Thota, Christopher D Jones, Daniel T Lackland, Kimberly J Rask, Nicolaas P Pronk, John M Clymer, Ron Z Goetzel
CONTEXT: The health and economic burden of hypertension, a major risk factor for cardiovascular disease, is substantial. This systematic review evaluated the economic evidence of self-measured blood pressure (SMBP) monitoring interventions to control hypertension. EVIDENCE ACQUISITION: The literature search from database inception to March 2015 identified 22 studies for inclusion with three types of interventions: SMBP used alone, SMBP with additional support, and SMBP within team-based care (TBC)...
September 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28818106/morphoproteomics-e6-e7-in-situ-hybridization-and-biomedical-analytics-define-the-etiopathogenesis-of-hpv-associated-oropharyngeal-carcinoma-and-provide-targeted-therapeutic-options
#5
Robert E Brown, Syed Naqvi, Mary F McGuire, Jamie Buryanek, Ron J Karni
BACKGROUND: Human papillomavirus (HPV) has been identified as an etiopathogenetic factor in oropharyngeal squamous cell carcinoma. The HPV E6 and E7 oncogenes are instrumental in promoting proliferation and blocking differentiation leading to tumorigenesis. Although surgical intervention can remove such tumors, the potential for an etiologic field effect with recurrent disease is real. A downstream effector of E7 oncoprotein, enhancer of zeste homolog 2 (EZH2), is known to promote proliferation and to pose a block in differentiation and in turn, could lead to HPV-induced malignant transformation...
August 17, 2017: Journal of Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28817764/limited-functioning-after-remission-of-an-anxiety-disorder-as-a-trait-effect-versus-a-scar-effect-results-of-a-longitudinal-general-population-study
#6
Simone M E Schopman, Margreet Ten Have, Saskia van Dorsselaer, Ron de Graaf, Neeltje M Batelaan
OBJECTIVE: After remission of an anxiety disorder, subjects often experience persistent functional impairments. We examined whether impairments in mental and physical functioning following remission are a continuation of premorbid lower functioning (trait effect), due to impairments that develop during the anxiety disorder and persist beyond recovery (scar effect), or both. METHODS: Data were derived from the Netherlands Mental Health Survey and Incidence Study-2 (NEMESIS-2), a prospective psychiatric epidemiologic study among the general population with a 3-wave design (6-year follow-up, with the study starting in 2007 and ending in 2015)...
August 15, 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/28817634/cross-reactivity-between-apical-membrane-antgen-1-and-rhoptry-neck-protein-2-in-p-vivax-and-p-falciparum-a-structural-and-binding-study
#7
Brigitte Vulliez-Le Normand, Frederick A Saul, Sylviane Hoos, Bart W Faber, Graham A Bentley
Malaria, a disease endemic in many tropical and subtropical regions, is caused by infection of the erythrocyte by the apicomplexan parasite Plasmodium. Host-cell invasion is a complex process but two Plasmodium proteins, Apical Membrane Antigen 1 (AMA1) and the Rhoptry Neck protein complex (RON), play a key role. AMA1, present on the surface of the parasite, binds tightly to the RON2 component of the RON protein complex, which is inserted into the erythrocyte membrane during invasion. Blocking the AMA1-RON2 interaction with antibodies or peptides inhibits invasion, underlining its importance in the Plasmodium life cycle and as a target for therapeutic strategies...
2017: PloS One
https://www.readbyqxmd.com/read/28817599/anguillicola-crassus-infection-affects-mrna-expression-levels-in-gas-gland-tissue-of-european-yellow-and-silver-eel
#8
Gabriel Schneebauer, Ron P Dirks, Bernd Pelster
Using Illumina sequencing, we investigated transcriptional changes caused by the nematode Anguillicola crassus within yellow and silver eels by comparing swimbladder samples of uninfected yellow with infected yellow eels, and uninfected silver with infected silver eels, respectively. In yellow eel gas gland, the infection caused a modification of steady state mRNA levels of 1675 genes, most of them being upregulated. Functional annotation analysis based on GO terms was used to categorize identified genes with regard to swimbladder metabolism or response to the infection...
2017: PloS One
https://www.readbyqxmd.com/read/28815757/first-line-treatment-selection-and-early-monitoring-patterns-in-chronic-phase-chronic-myeloid-leukemia-in-routine-clinical-practice-simplicity
#9
Stuart L Goldberg, Jorge Cortes, Carlo Gambacorti-Passerini, Rüdiger Hehlmann, H Jean Khoury, Mauricette Michallet, Ron Paquette, Bengt Simonsson, Teresa Zyczynski, Aimee Foreman, Elisabetta Abruzzese, David Andorsky, Aart Beeker, Pascale Cony-Makhoul, Richard Hansen, Elza Lomaia, Eduardo Olavarria, Michael Mauro
Achieving successful outcomes in chronic phase-chronic myeloid leukemia (CP-CML) requires careful monitoring of cytogenetic/molecular responses (CyR/MR). SIMPLICITY (NCT01244750) is an observational study exploring tyrosine kinase inhibitor use and management patterns in patients with CP-CML receiving first-line imatinib (n=416), dasatinib (n=418) or nilotinib (n=408) in the US and 6 European countries in routine clinical practice. Twelve-month follow-up data of 1,242 prospective patients (enrolled October 01 2010-September 02 2015) are reported...
August 17, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28815126/a-simple-text-mining-approach-for-ranking-pairwise-associations-in-biomedical-applications
#10
Finn Kuusisto, John Steill, Zhaobin Kuang, James Thomson, David Page, Ron Stewart
We present a simple text mining method that is easy to implement, requires minimal data collection and preparation, and is easy to use for proposing ranked associations between a list of target terms and a key phrase. We call this method KinderMiner, and apply it to two biomedical applications. The first application is to identify relevant transcription factors for cell reprogramming, and the second is to identify potential drugs for investigation in drug repositioning. We compare the results from our algorithm to existing data and state-of-the-art algorithms, demonstrating compelling results for both application areas...
2017: AMIA Summits on Translational Science Proceedings
https://www.readbyqxmd.com/read/28814969/the-role-of-open-abdomen-in-non-trauma-patient-wses-consensus-paper
#11
REVIEW
Federico Coccolini, Giulia Montori, Marco Ceresoli, Fausto Catena, Ernest E Moore, Rao Ivatury, Walter Biffl, Andrew Peitzman, Raul Coimbra, Sandro Rizoli, Yoram Kluger, Fikri M Abu-Zidan, Massimo Sartelli, Marc De Moya, George Velmahos, Gustavo Pereira Fraga, Bruno M Pereira, Ari Leppaniemi, Marja A Boermeester, Andrew W Kirkpatrick, Ron Maier, Miklosh Bala, Boris Sakakushev, Vladimir Khokha, Manu Malbrain, Vanni Agnoletti, Ignacio Martin-Loeches, Michael Sugrue, Salomone Di Saverio, Ewen Griffiths, Kjetil Soreide, John E Mazuski, Addison K May, Philippe Montravers, Rita Maria Melotti, Michele Pisano, Francesco Salvetti, Gianmariano Marchesi, Tino M Valetti, Thomas Scalea, Osvaldo Chiara, Jeffry L Kashuk, Luca Ansaloni
The open abdomen (OA) is defined as intentional decision to leave the fascial edges of the abdomen un-approximated after laparotomy (laparostomy). The abdominal contents are potentially exposed and therefore must be protected with a temporary coverage, which is referred to as temporal abdominal closure (TAC). OA use remains widely debated with many specific details deserving detailed assessment and clarification. To date, in patients with intra-abdominal emergencies, the OA has not been formally endorsed for routine utilization; although, utilization is seemingly increasing...
2017: World Journal of Emergency Surgery: WJES
https://www.readbyqxmd.com/read/28814207/no-smoker-left-behind-it-s-time-to-tackle-tobacco-in-australian-priority-populations
#12
Billie Bonevski, Ron Borland, Christine L Paul, Robyn L Richmond, Michael Farrell, Amanda Baker, Coral E Gartner, Sharon Lawn, David P Thomas, Natalie Walker
No abstract text is available yet for this article.
August 21, 2017: Medical Journal of Australia
https://www.readbyqxmd.com/read/28813594/facile-purification-of-milligram-to-gram-quantities-of-condensed-tannins-according-to-mean-degree-of-polymerization-and-flavan-3-ol-subunit-composition
#13
Ron Herbert Brown, Irene Mueller-Harvey, Wayne E Zeller, Laurie Reinhardt, Elisabetta Stringano, An Gea, Chris Drake, Honorata M Ropiak, Christos Fryganas, Aina Ramsay, Emily E Hardcastle
Unambiguous investigation of condensed tannin (CT) structure-activity relationships in biological systems requires well-characterized, high-purity CTs. Sephadex LH-20 and Toyopearl HW-50F resins were compared for separating CTs from acetone/water extracts and column fractions analyzed for flavan-3-ol subunits, mean degree of polymerization (mDP) and purity. Toyopearl HW-50F generated fractions with higher mDP values and better separation of procyanidins (PC) and prodelphinidins (PD) but required a pre-purification step, more time for large scale purifications and gave poorer recoveries...
August 16, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28813418/mechanism-of-intracellular-allosteric-%C3%AE-2ar-antagonist-revealed-by-x-ray-crystal-structure
#14
Xiangyu Liu, Seungkirl Ahn, Alem W Kahsai, Kai-Cheng Meng, Naomi R Latorraca, Biswaranjan Pani, A J Venkatakrishnan, Ali Masoudi, William I Weis, Ron O Dror, Xin Chen, Robert J Lefkowitz, Brian K Kobilka
G-protein-coupled receptors (GPCRs) pose challenges for drug discovery efforts because of the high degree of structural homology in the orthosteric pocket, particularly for GPCRs within a single subfamily, such as the nine adrenergic receptors. Allosteric ligands may bind to less-conserved regions of these receptors and therefore are more likely to be selective. Unlike orthosteric ligands, which tonically activate or inhibit signalling, allosteric ligands modulate physiologic responses to hormones and neurotransmitters, and may therefore have fewer adverse effects...
August 16, 2017: Nature
https://www.readbyqxmd.com/read/28811502/sex-steroid-hormones-regulate-leptin-transcript-accumulation-and-protein-secretion-in-3t3-l1-cells
#15
Mónica Z Jenks, Heather E Fairfield, Erik C Johnson, Ron F Morrison, Gloria K Muday
Leptin is an adipokine produced by fat cells that regulates food consumption and metabolic activity. Sexual dimorphism in leptin and fat stores have been observed in humans and rodents with females having more leptin and greater levels of subcutaneous fat than males. One potential mechanism leading to this dimorphism is steroid hormone regulated synthesis of transcripts encoding leptin. Identification of direct regulatory mechanisms is difficult in animals or primary adipocytes due to these intertwined dimorphisms...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28811283/prognosis-and-its-predictors-after-incident-stroke-in-patients-with-type-1-diabetes
#16
Stefanie Hägg-Holmberg, Lena M Thorn, Carol M Forsblom, Daniel Gordin, Nina Elonen, Valma Harjutsalo, Ron Liebkind, Jukka Putaala, Turgut Tatlisumak, Per-Henrik Groop
OBJECTIVE: Although patients with type 1 diabetes have a poor prognosis after a stroke, predictors of survival after an incident stroke in these patients are poorly studied. RESEARCH DESIGN AND METHODS: In this observational study, a total of 144 patients of 4,083 with type 1 diabetes from the Finnish Diabetic Nephropathy (FinnDiane) Study suffered an incident stroke in 1997-2010, and were followed for a mean 3.4 ± 3.1 years after the stroke. Information was recorded on hard cardiovascular events and death as a result of cardiovascular or diabetes-related cause, collectively referred to as vascular composite end point...
August 15, 2017: Diabetes Care
https://www.readbyqxmd.com/read/28810931/a-comprehensive-regional-clinical-and-educational-ecpr-protocol-decreases-time-to-ecmo-in-patients-with-refractory-out-of-hospital-cardiac-arrest
#17
Brian Grunau, Sarah Carrier, Jamil Bashir, William Dick, Luke Harris, Robert Boone, Dan Kalla, Frank Scheuermeyer, Brian Twaites, Ron Straight, James Abel, Ken McDonald, Ruth MacRedmond, David Agulnik, Joe Finkler, Jeanne MacLeod, Jim Christenson, Anson Cheung
OBJECTIVE: Extracorporeal membrane oxygenation within CPR (ECPR) may improve survival for refractory out-of-hospital cardiac arrest (OHCA). We developed a prehospital, emergency department (ED), and hospital-based clinical and educational protocol to improve the key variable of time-to-ECPR (TTE). METHODS: In a single urban health region we involved key prehospital, clinical, and administrative stakeholders over a 2-year period, to develop a regional ECPR program with destination to a single urban tertiary care hospital...
August 16, 2017: CJEM
https://www.readbyqxmd.com/read/28810227/determining-the-zone-of-impact-of-norovirus-contamination-in-shellfish-production-areas-through-microbiological-monitoring-and-hydrographic-analysis
#18
Carlos J A Campos, Gregory Goblick, Ron Lee, Ken Wittamore, David N Lees
Norovirus (NoV) contamination of filter feeding bivalve shellfish is a well-recognised human health threat when shellfish are grown in sewage polluted waters. To date, the identification of high risk zones around sewage discharges in shellfish production areas (SPAs) has not been based on NoV data. This study utilised molecular methods for NoV analysis, combined with hydrographic studies, to determine the relationship between NoV concentrations in shellfish and sewage effluent dilution. Cages with mussels and oysters were placed at different distances downstream of sewage discharges in two coastal sites in England...
August 8, 2017: Water Research
https://www.readbyqxmd.com/read/28809093/caregiving-for-children-with-type-1-diabetes-and-clinical-outcomes-in-central-india-the-idream-study
#19
Greta Friedemann-Sánchez, Benjamin D Capistrant, James Ron, Lindsey Novak, Caroline Zuijdwijk, Graham D Ogle, Barbara Anderson, Antoinette Moran, Sharad Pendsey
AIMS: Parental care influences outcomes for children's type 1 diabetes (T1D). There is little evidence about the impact of parental caregiving in developing countries, where fixed dose human insulin (conventional) therapy and limited self-monitoring of blood glucose are common. This article investigates whether performance of key T1D management tasks by children or their caregivers impacts hemoglobin A1c (HbA1c). METHODS: We surveyed the caregivers of 179 children with T1D routinely treated in a specialized diabetes clinic in Maharashtra, India to determine who performs key diabetes care tasks: child or parent...
August 15, 2017: Pediatric Diabetes
https://www.readbyqxmd.com/read/28808026/superior-colliculus-encodes-visual-saliency-before-the-primary-visual-cortex
#20
Brian J White, Janis Y Kan, Ron Levy, Laurent Itti, Douglas P Munoz
Models of visual attention postulate the existence of a bottom-up saliency map that is formed early in the visual processing stream. Although studies have reported evidence of a saliency map in various cortical brain areas, determining the contribution of phylogenetically older pathways is crucial to understanding its origin. Here, we compared saliency coding from neurons in two early gateways into the visual system: the primary visual cortex (V1) and the evolutionarily older superior colliculus (SC). We found that, while the response latency to visual stimulus onset was earlier for V1 neurons than superior colliculus superficial visual-layer neurons (SCs), the saliency representation emerged earlier in SCs than in V1...
August 14, 2017: Proceedings of the National Academy of Sciences of the United States of America
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