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https://www.readbyqxmd.com/read/28441029/variable-susceptibility-to-cigarette-smoke-induced-emphysema-in-34-inbred-strains-of-mice-implicates-abi3bp-in-emphysema-susceptibility
#1
Josiah E Radder, Alyssa D Gregory, Adriana S Leme, Michael H Cho, Yanxia Chu, Neil J Kelly, Per Bakke, Amund Gulsvik, Augusto A Litonjua, David Sparrow, Terri H Beaty, James D Crapo, Edwin K Silverman, Yingze Zhang, Annerose Berndt, Steven D Shapiro
RATIONALE: Chronic obstructive pulmonary disease (COPD) is caused by a complex interaction of environmental exposures, most commonly cigarette smoke, and genetic factors. Chronic cigarette smoke exposure in the mouse is a commonly used animal model of COPD. We aimed to expand our knowledge of the variable susceptibility of inbred strains to this model and test for genetic variants associated with this trait. OBJECTIVE: To measure differential susceptibility to cigarette smoke-induced emphysema in the mouse, identify genetic loci associated with this quantitative trait, and find homologous human genes associated with COPD...
April 25, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28440962/designed-heme-cage-%C3%AE-sheet-miniproteins
#2
Areetha D'Souza, Xiangyang Wu, Edwin Kok Lee Yeow, Surajit Bhattacharjya
The structure and function of naturally occurring proteins are governed by a large number of amino acids (≥100). The design of miniature proteins with desired structures and functions not only substantiates our knowledge about proteins but can also contribute to the development of novel applications. Excellent progress has been made towards the design of helical proteins with diverse functions. However, the development of functional β-sheet proteins remains challenging. Herein, we describe the construction and characterization of four-stranded β-sheet miniproteins made up of about 19 amino acids that bind heme inside a hydrophobic binding pocket or "heme cage" by bis-histidine coordination in an aqueous environment...
April 25, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28439472/new-findings-of-pleistocene-fossil-turtles-geoemydidae-kinosternidae-and-chelydridae-from-santa-elena-province-ecuador
#3
Edwin A Cadena, Juan Abella, Maria D Gregori
New Pleistocene fossilized turtle remains from five localities of western Ecuador (Santa Elena Province) are described here. All these shell (carapace and plastron) fossil remains come from the Tablazo Formation and belong to three different lineages of cryptodires ("hidden-necked" turtles). The most abundant remains belong to geoemydids, attributed here to the genus Rhinoclemmys (indeterminate species). Less abundant in occurrence are the kinosternidids, attributed to Kinosternon (indeterminate species), and the first fossil record of chelydrids, Chelydra(indeterminate species), in the entirety of Central and South America...
2017: PeerJ
https://www.readbyqxmd.com/read/28438726/analyzing-unstructured-communication-in-a-computer-mediated-environment-for-adults-with-type-2-diabetes-a-research-protocol
#4
Allison A Lewinski, Ruth A Anderson, Allison A Vorderstrasse, Edwin B Fisher, Wei Pan, Constance M Johnson
BACKGROUND: Individuals with type 2 diabetes have an increased risk for comorbidities such as heart disease, lower limb amputations, stroke, and renal failure. Multiple factors influence development of complications in a person living with type 2 diabetes; however, an individual's self-management behaviors may delay the onset of, or lessen the severity of, these complications. Social support provides personal, informal advice and knowledge that helps individuals initiate and sustain self-management and adherence...
April 24, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28438133/evaluation-of-the-enhanced-meningitis-surveillance-system-yendi-municipality-northern-ghana-2010-2015
#5
Basil Benduri Kaburi, Chrysantus Kubio, Ernest Kenu, Kofi Mensah Nyarko, Jacob Yakubu Mahama, Samuel Oko Sackey, Edwin Andrew Afari
BACKGROUND: Meningitis is the inflammation of the meninges of the brain and or spinal cord. Global mortality rates vary from 2% to 30%. Epidemic meningitis remains a public health concern along the meningitis belt of Africa. Despite the operation of an enhanced meningitis surveillance system in Ghana, institutional mortality rates are estimated to range from 36% to 50%. In 2014, Yendi recorded 83 confirmed cases; with focal epidemics in some sub-municipals. We evaluated the system over a five-year period to find out whether it was achieving its objectives of systematic collection and analyses of data for the prevention or early detection of meningitis epidemics...
April 24, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28438061/the-pattern-and-magnitude-of-invivo-thrombin-generation-differ-in-women-with-preeclampsia-and-in-those-with-sga-fetuses-without-preeclampsia
#6
Offer Erez, Roberto Romero, Edi Vaisbuch, Juan Pedro Kusanovic, Shali Mazaki-Tovi, Tinnakorn Chaiworapongsa, Francesca Gotsch, Pooja Mittal, Samuel S Edwin, Chia-Ling Nhan-Chang, Nandor Gabor Than, Chong Jai Kim, Sun Kwon Kim, Lami Yeo, Moshe Mazor, Sonia S Hassan
OBJECTIVE: We aimed to determine the differences in the pattern and magnitude of thrombin generation between patients with preeclampsia (PE) and those with SGA. METHODS: This cross-sectional study included women in the following groups: 1) normal pregnancy (NP) (n = 49); 2) PE (n = 56); and 3) SGA (n = 28). Maternal plasma thrombin generation (TGA) was measured, calculating: a) lag time (LT); b) velocity index (VI); c) peak thrombin concentration (PTC); d) time-to-peak thrombin concentration (TPTC); and e) endogenous thrombin potential (ETP)...
April 24, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28437942/optical-damage-resistant-ti-diffused-zr-er-codoped-lithium-niobate-strip-waveguide-for-high-power-980-nm-pumping
#7
Wen-Bao Sun, Xiao-Fei Yang, Zi-Bo Zhang, Wing-Han Wong, Dao-Yin Yu, Edwin Yue-Bun Pun, De-Long Zhang
Ti<sup>4+</sup>-diffused Zr<sup>4+</sup>/Er<sup>3+</sup>-codoped LiNbO<sub>3</sub> strip waveguide was fabricated on an X-cut LiNbO<sub>3</sub> substrate by thermal diffusion in sequence of Er<sup>3+</sup>, Zr<sup>4+</sup> and Ti<sup>4+</sup>. Secondary ion mass spectrometry study shows that the Ti<sup>4+</sup> ions follow a sum of two error functions in the width direction and a Gauss function in the depth direction of the waveguide...
April 17, 2017: Optics Express
https://www.readbyqxmd.com/read/28437439/landscape-and-environmental-influences-on-mycobacterium-ulcerans-distribution-among-aquatic-sites-in-ghana
#8
Shannon M Pileggi, Heather Jordan, Julie A Clennon, Ellen Whitney, M Eric Benbow, Richard Merritt, Mollie McIntosh, Ryan Kimbirauskas, Pamela Small, Daniel Boakye, Charles Quaye, Jiaguo Qi, Lindsay Campbell, Jenni Gronseth, Edwin Ampadu, William Opare, Lance A Waller
Buruli ulcer, caused by Mycobacterium ulcerans, is highly endemic in West Africa. While the mode of transmission is unknown, many studies associate Buruli ulcer with different types of water exposure. We present results from the largest study to date to test for M. ulcerans in aquatic sites and identify environmental attributes associated with its presence. Environmental samples from 98 aquatic sites in the Greater Accra, Ashanti, and Volta regions of Ghana were tested for the presence of M. ulcerans DNA by polymerase chain reaction...
2017: PloS One
https://www.readbyqxmd.com/read/28434269/electronic-adherence-monitoring-device-performance-and-patient-acceptability-a-randomized-control-trial
#9
Amy Hai Yan Chan, Alistair William Stewart, Jeff Harrison, Peter Nigel Black, Edwin Arthur Mitchell, Juliet Michelle Foster
BACKGROUND: To investigate the performance and patient acceptability of an inhaler electronic monitoring device in a real-world childhood asthma population. METHODS: Children 6 to 15 years presenting with asthma to the hospital emergency department and prescribed inhaled corticosteroids were included. Participants were randomized to receive a device with reminder features enabled or disabled for use with their preventer. Device quality control tests were conducted...
April 24, 2017: Expert Review of Medical Devices
https://www.readbyqxmd.com/read/28432146/c1q-dependent-dendritic-cell-cross-presentation-of-in-vivo-formed-antigen-antibody-complexes
#10
Nataschja I Ho, Marcel G M Camps, Edwin F E de Haas, Leendert A Trouw, J Sjef Verbeek, Ferry Ossendorp
Dendritic cells (DCs) are specialized in Ag engulfment via a wide variety of uptake receptors on their cell surface. In the present study we investigated Ag uptake and presentation of in vivo-formed Ag-Ab complexes by i.v. injecting mice with Ag-specific Abs followed by the cognate Ag. We show by this natural Ab-mediated Ag targeting system that uptake by splenic APC subsets is severely hampered in mice lacking complement factor C1q (C1qa(-/-)). Moreover, no detectable Ag cross-presentation by CD8α(+) DCs from C1qa(-/-) mice was found...
April 21, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28431571/unique-lcr-variations-among-lineages-of-hpv16-18-and-45-isolates-from-women-with-normal-cervical-cytology-in-ghana
#11
Adolf K Awua, Richard M K Adanu, Edwin K Wiredu, Edwin A Afari, Vanessa A Zubuch, Richard H Asmah, Alberto Severini
BACKGROUND: In addition to being useful for classification, sequence variations of human Papillomavirus (HPV) genotypes have been implicated in differential oncogenic potential and a differential association with the different histological forms of invasive cervical cancer. These associations have also been indicated for HPV genotype lineages and sub-lineages. In order to better understand the potential implications of lineage variation in the occurrence of cervical cancers in Ghana, we studied the lineages of the three most prevalent HPV genotypes among women with normal cytology as baseline to further studies...
April 21, 2017: Virology Journal
https://www.readbyqxmd.com/read/28431145/long-term-effects-of-a-lifestyle-intervention-and-oral-glucosamine-sulphate-in-primary-care-on-incident-knee-oa-in-overweight-women
#12
Bastiaan C de Vos, Marieke L A Landsmeer, Marienke van Middelkoop, Edwin H G Oei, Marjolein Krul, Sita M A Bierma-Zeinstra, Jos Runhaar
Objectives.: The present study was designed to evaluate the effect of a lifestyle intervention aimed to reduce body weight and of oral glucosamine sulphate on the incidence of knee osteoarthritis (OA) after 6-7 years in a population of middle-aged, overweight women, without knee OA at baseline. Methods.: The Prevention of knee Osteoarthritis in Overweight Females study, ISRCTN42823086, was a randomized controlled trial with a 2 × 2 factorial design. Four hundred and seven women aged 50-60 years with a BMI of ⩾27 kg/m 2 and free of knee OA were randomized...
April 20, 2017: Rheumatology
https://www.readbyqxmd.com/read/28429587/thermal-conductivity-enhancement-of-coaxial-carbon-boron-nitride-nanotube-arrays
#13
Lin Jing, Majid Kabiri Samani, Bo Liu, Hongling Li, Roland Yingjie Tay, Siu Hon Tsang, Olivier Cometto, Andreas Nylander, Johan Liu, Edwin Hang Tong Teo, Alfred Iing Yoong Tok
We demonstrate the thermal conductivity enhancement of the vertically aligned carbon nanotube (CNT) arrays (from ∼15.5 to 29.5 W/mK, ∼90% increase) by encapsulating outer boron nitride nanotube (BNNT, 0.97 nm-thick with ∼3-4 walls). The heat transfer enhancement mechanism of the coaxial C@BNNT was further revealed by molecular dynamics simulations. Because of their highly coherent lattice structures, the outer BNNT serves as additional heat conducting path without impairing the thermal conductance of inner CNT...
April 24, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28428034/near-anatomical-correction-using-a-ct-guided-technique-of-a-forearm-malunion-in-a-15-year-old-girl-a-case-report-including-surgical-technique
#14
Ralph M Jeuken, Roel P Hendrickx, Martijn G Schotanus, Edwin J Jansen
BACKGROUND: In this case report we describe a left-arm both-bone forearm fracture in a 15-year old girl who fell off of a swing. Conservative treatment with an above-elbow cast failed,resulting in a malunion with functional impairment. The pro- and supination were 90/0/10, respectively. The patient complained of difficulties performing daily activities. For this pediatric case a corrective osteotomy was proposed using a CT-guided technique aiming for maximum anatomical and functional outcome...
April 17, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28427308/larger-stimuli-require-longer-processing-time-for-perception
#15
Ryota Kanai, Edwin S Dalmaijer, Maxine T Sherman, Genji Kawakita, Chris L E Paffen
The time it takes for a stimulus to reach awareness is often assessed by measuring reaction times (RTs) or by a temporal order judgement (TOJ) task in which perceived timing is compared against a reference stimulus. Dissociations of RT and TOJ have been reported earlier in which increases in stimulus intensity such as luminance intensity results in a decrease of RT, whereas perceived perceptual latency in a TOJ task is affected to a lesser degree. Here, we report that a simple manipulation of stimulus size has stronger effects on perceptual latency measured by TOJ than on motor latency measured by RT tasks...
May 2017: Perception
https://www.readbyqxmd.com/read/28427082/perioperative-outcomes-and-safety-of-atrial-fibrillation-catheter-ablation-in-octogenarians-a-retrospective-study-and-review-of-the-benefits-of-rhythm-control
#16
Stephanie Hakimian, Juan C Camacho, Edwin Grajeda Silvestri, Farid AbdelMalak, Elie Donath, Robert Chait
OBJECTIVES: Catheter ablation for rhythm control has emerged as a successful therapeutic option for the treatment of atrial fibrillation (AF), though it has not been well studied in octogenarians. This study evaluates its safety in octogenarians in a community hospital and reviews the benefits of rhythm control. METHODS: Among 1,592 patients undergoing AF ablation, 84 octogenarian were identified. The primary outcome was normal sinus rhythm (NSR) on electrocardiogram at discharge...
April 21, 2017: Cardiology
https://www.readbyqxmd.com/read/28426117/identifying-the-gaps-in-nepalese-migrant-workers-health-and-well-being-a-review-of-the-literature
#17
Padam P Simkhada, Pramod R Regmi, Edwin van Teijlingen, Nirmal Aryal
Background: The health and well-being of migrant workers from low-income countries is often neglected in travel medicine. This article uses Nepal as a case study to highlight key issues affecting this particular group of international travellers. Methods: This narrative review used a comprehensive systematic literature search to identify relevant studies on Nepal. The included articles were thematically analysed leading to four key themes or risk factors. Results: The search found 18 articles from which we identified 3 key themes related directly to migrant workers: (1) sexual risk taking; (2) occupational health and (3) lifestyles, and a fourth theme related to partners and family of migrant workers who are left behind in Nepal...
July 1, 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28424765/community-health-volunteers-in-primary-healthcare-in-rural-uganda-factors-influencing-performance
#18
Yusufu Kuule, Andrew Eric Dobson, Desalegn Woldeyohannes, Maria Zolfo, Robinah Najjemba, Birungi Mutahunga R Edwin, Nahabwe Haven, Kristien Verdonck, Philip Owiti, Ewan Wilkinson
INTRODUCTION: Community health volunteers (CHVs) play an integral role in primary healthcare. Several countries rely on CHV programs as a major element in improving access to care and attaining universal health coverage. However, their performance has been heterogeneous and at times context-specific, and influenced by multiple factors. We describe the socio-demographic and workplace characteristics affecting CHVs' performance in a public health program in rural western Uganda. METHODS: This was a cross-sectional study based on routine program data of CHVs serving the catchment of Bwindi Community Hospital, Kanungu District, South Western Uganda, in 2014 and 2015...
2017: Frontiers in Public Health
https://www.readbyqxmd.com/read/28423770/epidemiological-models-lacking-process-noise-can-be-overconfident
#19
Lavi Shpigelman, Michal Chorev, Zeev Waks, Ya'ara Goldschmidt, Edwin Michael
Mathematic models of epidemics are the key tool for predicting future course of disease in a population and analyzing the effects of possible intervention policies. Typically, models that produce deterministic are applied for making predictions and reaching decisions. Stochastic modeling methods present an alternative. Here, we demonstrate by example why it is important that stochastic modeling be used in population health decision support systems.
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28423691/predicting-clinical-benefit-from-everolimus-in-patients-with-advanced-solid-tumors-the-cpct-03-study
#20
Fleur Weeber, Geert A Cirkel, Marlous Hoogstraat, Sander Bins, Christa G M Gadellaa-van Hooijdonk, Salo Ooft, Erik van Werkhoven, Stefan M Willems, Marijn van Stralen, Wouter B Veldhuis, Nicolle J M Besselink, Hugo M Horlings, Neeltje Steeghs, Maja J de Jonge, Marlies H G Langenberg, Lodewyk F A Wessels, Edwin P J G Cuppen, J H Schellens, Stefan Sleijfer, Martijn P Lolkema, Emile E Voest
BACKGROUND: In this study, our aim was to identify molecular aberrations predictive for response to everolimus, an mTOR inhibitor, regardless of tumor type. METHODS: To generate hypotheses about potential markers for sensitivity to mTOR inhibition, drug sensitivity and genomic profiles of 835 cell lines were analyzed. Subsequently, a multicenter study was conducted. Patients with advanced solid tumors lacking standard of care treatment options were included and underwent a pre-treatment tumor biopsy to enable DNA sequencing of 1,977 genes, derive copy number profiles and determine activation status of pS6 and pERK...
March 8, 2017: Oncotarget
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