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Michael Richardson

J Daniel Kelly, Eugene T Richardson, Michael Drasher, M Bailor Barrie, Sahr Karku, Mohamed Kamara, Katrina Hann, Kerry Dierberg, Allan Hubbard, Christina P Lindan, Paul E Farmer, George W Rutherford, Sheri D Weiser
Studies have shown that people suffering from food insecurity are at higher risk for infectious and noncommunicable diseases and have poorer health outcomes. No study, however, has examined the association between food insecurity and outcomes related to Ebola virus disease (EVD). We conducted a cross-sectional study in two Ebola-affected communities in Kono district, Sierra Leone, from November 2015 to September 2016. We enrolled persons who were determined to have been exposed to Ebola virus. We assessed the association of food insecurity, using an adapted version of the Household Food Insecurity Access Scale, a nine-item scale well validated across Africa, with having been diagnosed with EVD and having died of EVD, using logistic regression models with cluster-adjusted standard errors...
March 19, 2018: American Journal of Tropical Medicine and Hygiene
Rikki A M Brown, Michael R Epis, Jessica L Horsham, Tasnuva D Kabir, Kirsty L Richardson, Peter J Leedman
BACKGROUND: microRNAs (miRNAs) are short non-coding RNAs that fine-tune gene expression. The aberrant expression of miRNAs is associated with many diseases and they have both therapeutic and biomarker potential. However, our understanding of their usefulness is dependent on the tools we have to study them. Previous studies have identified the need to optimise and standardise RNA extraction methods in order to avoid biased results. Herein, we extracted RNA from murine lung, liver and brain tissues using five commercially available total RNA extraction methods...
March 16, 2018: BMC Biotechnology
Jane S Richardson, Christopher J Williams, Bradley J Hintze, Vincent B Chen, Michael G Prisant, Lizbeth L Videau, David C Richardson
Traditionally, validation was considered to be a final gatekeeping function, but refinement is smoother and results are better if model validation actively guides corrections throughout structure solution. This shifts emphasis from global to local measures: primarily geometry, conformations and sterics. A fit into the wrong local minimum conformation usually produces outliers in multiple measures. Moving to the right local minimum should be prioritized, rather than small shifts across arbitrary borderlines...
February 1, 2018: Acta Crystallographica. Section D, Structural Biology
Melissa Henry, Zeev Rosberger, Lola E Ianovski, Michael Hier, Anthony Zeitouni, Karen Kost, Alex Mlynarek, Martin Black, Christina MacDonald, Keith Richardson, Fabienne Fuhrmann, Gabrielle Chartier, Saul Frenkiel
OBJECTIVE: The primary purpose of this study was to identify predictors of Major Depressive Disorder in head and neck cancer (HNC) patients in the immediate post-treatment period (i.e., at three months post-diagnosis), with a focus on previously unexamined historical and contextual factors. METHODS: Prospective longitudinal study of 223 consecutive adults (72% participation) newly diagnosed with a first occurrence of primary HNC, including validated psychometric measures, Structured Clinical Interviews for DSM Disorders, and medical chart reviews...
March 13, 2018: Psycho-oncology
Michael Turelli, Brandon S Cooper, Kelly M Richardson, Paul S Ginsberg, Brooke Peckenpaugh, Chenling X Antelope, Kevin J Kim, Michael R May, Antoine Abrieux, Derek A Wilson, Michael J Bronski, Brian R Moore, Jian-Jun Gao, Michael B Eisen, Joanna C Chiu, William R Conner, Ary A Hoffmann
Maternally transmitted Wolbachia, Spiroplasma, and Cardinium bacteria are common in insects [1], but their interspecific spread is poorly understood. Endosymbionts can spread rapidly within host species by manipulating host reproduction, as typified by the global spread of wRi Wolbachia observed in Drosophila simulans [2, 3]. However, because Wolbachia cannot survive outside host cells, spread between distantly related host species requires horizontal transfers that are presumably rare [4-7]. Here, we document spread of wRi-like Wolbachia among eight highly diverged Drosophila hosts (10-50 million years) over only about 14,000 years (5,000-27,000)...
March 2, 2018: Current Biology: CB
Kathleen M Scott, John Williams, Cody M B Porter, Sydney Russel, Tara L Harmer, John H Paul, Kirsten M Antonen, Megan K Bridges, Gary J Camper, Christie K Campla, Leila G Casella, Eva Chase, James W Conrad, Mercedez C Cruz, Darren S Dunlap, Laura Duran, Elizabeth M Fahsbender, Dawn B Goldsmith, Ryan F Keeley, Matthew R Kondoff, Breanna I Kussy, Marannda K Lane, Stephanie Lawler, Brittany A Leigh, Courtney Lewis, Lygia M Lostal, Devon Marking, Paola A Mancera, Evan C McClenthan, Emily A McIntyre, Jessica A Mine, Swapnil Modi, Brittney D Moore, William A Morgan, Kaleigh M Nelson, Kimmy N Nguyen, Nicholas Ogburn, David G Parrino, Anangamanjari D Pedapudi, Rebecca P Pelham, Amanda M Preece, Elizabeth A Rampersad, Jason C Richardson, Christina M Rodgers, Brent L Schaffer, Nancy E Sheridan, Michael R Solone, Zachery R Staley, Maki Tabuchi, Ramond J Waide, Pauline W Wanjugi, Suzanne Young, Alicia Clum, Chris Daum, Marcel Huntemann, Natalia Ivanova, Nikos Kyrpides, Natalia Mikhailova, Krishnaveni Palaniappan, Manoj Pillay, T B K Reddy, Nicole Shapiro, Dimitrios Stamatis, Neha Varghese, Tanja Woyke, Rich Boden, Sharyn K Freyermuth, Cheryl A Kerfeld
Chemolithoautotrophic bacteria from the genera Hydrogenovibrio, Thiomicrorhabdus, and Thiomicrospira are common, sometimes dominant, isolates from sulfidic habitats including hydrothermal vents, soda and salt lakes, and marine sediments. Their genome sequences confirm their membership in a deeply branching clade of the Gammaproteobacteria. Several adaptations to heterogeneous habitats are apparent. Their genomes include large numbers of genes for sensing and responding to their environment (EAL- and GGDEF-domain proteins, and methyl-accepting chemotaxis proteins) despite their small sizes (2...
March 9, 2018: Environmental Microbiology
Veronica Romero, Paula Fitzpatrick, Stephanie Roulier, Amie Duncan, Michael J Richardson, R C Schmidt
Even high functioning children with Autism Spectrum Disorder (ASD) exhibit impairments that affect their ability to carry out and maintain effective social interactions in multiple contexts. One aspect of subtle nonverbal communication that might play a role in this impairment is the whole-body motor coordination that naturally arises between people during conversation. The current study aimed to measure the time-dependent, coordinated whole-body movements between children with ASD and a clinician during a conversational exchange using tools of nonlinear dynamics...
2018: PloS One
Jennifer L Favinger, Michael L Richardson, Felix S Chew
The os peroneum is an accessory ossicle within the peroneus longus tendon. Prior reports have discussed fracture of the os peroneum with associated tears of the peroneus longus tendon. When the ossicle fractures, there can be varying degrees of retraction of the tendon, which can be diagnosed by malposition of the ossicle or the ossicle fragments. We report a case of a man with recurrent eversion ankle injuries with progressive retraction of a fractured os peroneum, implying injuries to the superior and inferior peroneal retinacula and the peroneus longus tendon...
February 2018: Radiology Case Reports
Lorena Carro, Valeria Razmilic, Imen Nouioui, Lee Richardson, Che Pan, Patrycja Golinska, Juan A Asenjo, Alan T Bull, Hans-Peter Klenk, Michael Goodfellow
Innovative procedures were used to selectively isolate small numbers of Micromonospora strains from extreme hyper-arid and high altitude Atacama Desert soils. Micromonosporae were recognised on isolation plates by their ability to produce filamentous microcolonies that were strongly attached to the agar. Most of the isolates formed characteristic orange colonies that lacked aerial hyphae and turned black on spore formation, whereas those from the high altitude soil were dry, blue-green and covered by white aerial hyphae...
February 26, 2018: Antonie Van Leeuwenhoek
Sarah J Swartz, Alicia Neu, Amy Skversky Mason, Troy Richardson, Jonathan Rodean, John Lawlor, Bradley Warady, Michael J G Somers
BACKGROUND: The Standardizing Care to Improve Outcomes in Pediatric End Stage Renal Disease (SCOPE) Collaborative is a quality improvement initiative to reduce dialysis-associated infections. The frequency of peritoneal dialysis (PD) catheter exit site infection (ESI) and variables influencing its development and end result are unclear. We sought to determine ESI rates, to elucidate the epidemiology, risk factors, and outcomes for ESI, and to assess for association between provider compliance with care bundles and ESI risk...
February 26, 2018: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
Morinobu Seki, Klaus Seppi, Christoph Mueller, Thomas Potrusil, Georg Goebel, Eva Reiter, Michael Nocker, Ruth Steiger, Matthias Wildauer, Elke R Gizewski, Gregor K Wenning, Werner Poewe, Christoph Scherfler
BACKGROUND: The differentiation of progressive supranuclear palsy-parkinsonism (PSP-P) from Parkinson's disease (PD) remains a major clinical challenge. OBJECTIVES: To evaluate the diagnostic potential of observer-independent assessments of microstructural integrity within infratentorial brain regions to differentiate PSP-Richardson's syndrome (PSP-RS), PSP-P and PD. METHODS: 3T MRI parameters of mean diffusivity, fractional anisotropy, grey and white matter volumes from patients with PSP-RS (n = 12), PSP-P (n = 12) and mean disease duration of 2...
February 7, 2018: Parkinsonism & related Disorders
Vanessa R Melanson, Ryan Jochim, Michael Yarnell, Karen Bingham Ferlez, Soumya Shashikumar, Jason H Richardson
Background & objectives: Vector-borne pathogen surveillance programmes typically rely on the collection of large numbers of potential vectors followed by screening protocols focused on detecting pathogens in the arthropods. These processes are laborious, time consuming, expensive, and require screening of large numbers of samples. To streamline the surveillance process, increase sample throughput, and improve cost-effectiveness, a method to detect dengue virus and malaria parasites (Plasmodium falciparum) by leveraging the sugar-feeding behaviour of mosquitoes and their habit of expectorating infectious agents in their saliva during feeding was investigated in this study...
October 2017: Journal of Vector Borne Diseases
Ken Richardson, Zaramasina Clark, Michael Gaines, Hautahi Kingi, Sonja Miller, Willie Pearson, Liz Richardson
Māori and Pacific students generally do not attain the same levels of tertiary success as New Zealanders of European descent, particularly in science, technology, engineering, and mathematics (STEM) subjects. Te Rōpū Āwhina (Āwhina), an equity initiative at Victoria University of Wellington in New Zealand between 1999 and 2015, aimed to produce Māori and Pacific professionals in STEM disciplines who contribute to Māori and Pacific community development and leadership. A hierarchical Bayesian approach was used to estimate posterior standardized completion rates for 3-year undergraduate and 2-year postgraduate degrees undertaken by non-Māori-Pacific and Māori-Pacific students...
2018: CBE Life Sciences Education
Nimitha R Mathew, Francis Baumgartner, Lukas Braun, David O'Sullivan, Simone Thomas, Miguel Waterhouse, Tony A Müller, Kathrin Hanke, Sanaz Taromi, Petya Apostolova, Anna L Illert, Wolfgang Melchinger, Sandra Duquesne, Annette Schmitt-Graeff, Lena Osswald, Kai-Li Yan, Arnim Weber, Sonia Tugues, Sabine Spath, Dietmar Pfeifer, Marie Follo, Rainer Claus, Michael Lübbert, Christoph Rummelt, Hartmut Bertz, Ralph Wäsch, Johanna Haag, Andrea Schmidts, Michael Schultheiss, Dominik Bettinger, Robert Thimme, Evelyn Ullrich, Yakup Tanriver, Giang Lam Vuong, Renate Arnold, Philipp Hemmati, Dominik Wolf, Markus Ditschkowski, Cordula Jilg, Konrad Wilhelm, Christian Leiber, Sabine Gerull, Jörg Halter, Claudia Lengerke, Thomas Pabst, Thomas Schroeder, Guido Kobbe, Wolf Rösler, Soroush Doostkam, Stephan Meckel, Kathleen Stabla, Stephan K Metzelder, Sebastian Halbach, Tilman Brummer, Zehan Hu, Joern Dengjel, Björn Hackanson, Christoph Schmid, Udo Holtick, Christof Scheid, Alexandros Spyridonidis, Friedrich Stölzel, Rainer Ordemann, Lutz P Müller, Flore Sicre-de-Fontbrune, Gabriele Ihorst, Jürgen Kuball, Jan E Ehlert, Daniel Feger, Eva-Maria Wagner, Jean-Yves Cahn, Jacqueline Schnell, Florian Kuchenbauer, Donald Bunjes, Ronjon Chakraverty, Simon Richardson, Saar Gill, Nicolaus Kröger, Francis Ayuk, Luca Vago, Fabio Ciceri, Antonia M Müller, Takeshi Kondo, Takanori Teshima, Susan Klaeger, Bernhard Kuster, Dennis Dong Hwan Kim, Daniel Weisdorf, Walter van der Velden, Daniela Dörfel, Wolfgang Bethge, Inken Hilgendorf, Andreas Hochhaus, Geoffroy Andrieux, Melanie Börries, Hauke Busch, John Magenau, Pavan Reddy, Myriam Labopin, Joseph H Antin, Andrea S Henden, Geoffrey R Hill, Glen A Kennedy, Merav Bar, Anita Sarma, Donal McLornan, Ghulam Mufti, Betul Oran, Katayoun Rezvani, Omid Sha, Robert S Negrin, Arnon Nagler, Marco Prinz, Andreas Burchert, Andreas Neubauer, Dietrich Beelen, Andreas Mackensen, Nikolas von Bubnoff, Wolfgang Herr, Burkhard Becher, Gerard Socié, Michael A Caligiuri, Eliana Ruggiero, Chiara Bonini, Georg Häcker, Justus Duyster, Jürgen Finke, Erika Pearce, Bruce R Blazar, Robert Zeiser
Individuals with acute myeloid leukemia (AML) harboring an internal tandem duplication (ITD) in the gene encoding Fms-related tyrosine kinase 3 (FLT3) who relapse after allogeneic hematopoietic cell transplantation (allo-HCT) have a 1-year survival rate below 20%. We observed that sorafenib, a multitargeted tyrosine kinase inhibitor, increased IL-15 production by FLT3-ITD+ leukemia cells. This synergized with the allogeneic CD8+ T cell response, leading to long-term survival in six mouse models of FLT3-ITD+ AML...
February 12, 2018: Nature Medicine
Eric W Tai, Gery P Guy, C Brooke Steele, S Jane Henley, Michael S Gallaway, Lisa C Richardson
INTRODUCTION: Smoking has been causally linked to 12 tobacco-related cancers: oral cavity and pharynx, esophagus, stomach, colon and rectum, liver, pancreas, larynx, lung, cervix, bladder, kidney, and acute myeloid leukemia. Tobacco-related cancers-related morbidity and mortality have been well described, but little is known about the prevalence of tobacco-related cancer hospitalizations and associated costs. This study estimates the annual number of tobacco-related cancer hospitalizations and their associated direct medical costs in the U...
January 31, 2018: American Journal of Preventive Medicine
Matthew Q Schmidt, Michael Hafertepe, Randall Fortuna, Ibrahim Abdullah, Randy Richardson
We detail what we believe to be the first reported case of a congenital 'Cervical Left Pulmonary Artery' in which an aberrant left pulmonary artery courses cranially into the mid-cervical neck before descending back into the thorax to the left pulmonary hilum. Due to the location and course of the artery, we believe that this anomaly is likely due to a developmental error of the sixth pharyngeal arch. Ultimately, the use of a reconstructed 3D computed tomography image provided detailed characterization of the unique anatomical variant, aiding in a successful surgical repair of the defect...
January 2018: Journal of Surgical Case Reports
Michael W Manning, Eric W Bean, Andrew C Miller, Suzanne J Templer, Richard S Mackenzie, David M Richardson, Kristin A Bresnan, Marna R Greenberg
Introduction: The Association of American Medical Colleges' (AAMC) initiative for Core Entrustable Professional Activities for Entering Residency includes as an element of Entrustable Professional Activity 13 to "identify system failures and contribute to a culture of safety and improvement." We set out to determine the feasibility of using medical students' action learning projects (ALPs) to expedite implementation of evidence-based pathways for three common patient diagnoses in the emergency department (ED) setting (Atrial fibrillation, congestive heart failure, and pulmonary embolism)...
January 2018: Western Journal of Emergency Medicine
Brett Pierce, Chad L Richardson, Lisa Lacloche, Anne Allen, Michael G Ison
BACKGROUND: Infection with cytomegalovirus (CMV) is an important cause of morbidity and mortality following solid organ transplantation. Resistance to ganciclovir can rarely develop via mutations in UL97 or UL54. There are limited published studies assessing the safety and efficacy of foscarnet for the management of ganciclovir-resistant or refractory cytomegalovirus infection and many centers are reluctant to utilize this important therapy because of concerns about toxicity. METHODS: Solid organ recipients transplanted between January 1, 2006 and December 31, 2014 who received at least 1 dose of foscarnet were retrospectively reviewed to assess treatment outcomes, tolerability, and safety of foscarnet...
January 30, 2018: Transplant Infectious Disease: An Official Journal of the Transplantation Society
Michael R Richardson, Andrea Y Arikawa, James R Churilla
BACKGROUND: Some evidence suggests an inverse association between increased fiber intake and C-reactive protein (CRP). However, few studies have examined the associations among CRP, dietary fiber, and leisure-time physical activity (LTPA) in a nationally representative sample of U.S. adults. METHODS: Sample (n = 8372) included adults (≥20 years of age) who participated in the 2007-2010 National Health and Nutrition Examination Survey. Tertiles of reported fiber intake were created...
January 29, 2018: Metabolic Syndrome and related Disorders
Kerry Bell, Belen Corbacho, Sarah Ronaldson, Gerry Richardson, David Torgerson, Michael Robling
To understand the full extent of the impact of a trial, it is important to consider the long-term consequences of outcomes beyond the trial follow-up period, especially for early year's interventions. A systematic review of the literature associated with the long-term consequences of four key outcomes from the Building Blocks trial, specifically, low birth weight, smoking during pregnancy, interval to subsequent pregnancy and A&E attendance or inpatient admission was conducted. These factors were guided by the funders, the Department of Health, as being of particular interest in the UK context...
January 24, 2018: Health Economics Review
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