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https://www.readbyqxmd.com/read/28821186/molecular-population-genetics-of-the-northern-elephant-seal-mirounga-angustirostris
#1
Alicia Abadía-Cardoso, Nelson B Freimer, Kristy Deiner, John Carlos Garza
The northern elephant seal, Mirounga angustirostris, was heavily hunted and declared extinct in the 19th century. However, a colony remained on remote Guadalupe Island, Mexico and the species has since repopulated most of its historical distribution. Here, we present a comprehensive evaluation of genetic variation in the species. First, we assess the effect of the demographic bottleneck on microsatellite variability and compare it with that found in other pinnipeds, demonstrating levels of variation similar to that in species that continue to be threatened with extinction...
September 1, 2017: Journal of Heredity
https://www.readbyqxmd.com/read/28821018/a-cross-language-study-of-acoustic-predictors-of-speech-intelligibility-in-individuals-with-parkinson-s-disease
#2
Yunjung Kim, Yaelin Choi
Purpose: The present study aimed to compare acoustic models of speech intelligibility in individuals with the same disease (Parkinson's disease [PD]) and presumably similar underlying neuropathologies but with different native languages (American English [AE] and Korean). Method: A total of 48 speakers from the 4 speaker groups (AE speakers with PD, Korean speakers with PD, healthy English speakers, and healthy Korean speakers) were asked to read a paragraph in their native languages...
August 18, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28821015/extracting-replicable-associations-across-multiple-studies-empirical-bayes-algorithms-for-controlling-the-false-discovery-rate
#3
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/28820951/lactation-consultants-perceived-barriers-to-providing-professional-breastfeeding-support
#4
Erica H Anstey, Martha Coulter, Cecilia M Jevitt, Kay M Perrin, Sharon Dabrow, Lynne B Klasko-Foster, Ellen M Daley
BACKGROUND: Addressing suboptimal breastfeeding initiation and duration rates is a priority in the United States. To address challenges to improving these rates, the voices of the providers who work with breastfeeding mothers should be heard. Research aim: The purpose of this study was to explore lactation consultants' perceived barriers to managing early breastfeeding problems. METHODS: This qualitative study was conducted with a grounded theory methodological approach...
August 1, 2017: Journal of Human Lactation: Official Journal of International Lactation Consultant Association
https://www.readbyqxmd.com/read/28820938/multi-scale-simulation-of-receptor-drug-association-kinetics-application-to-neuramidase-inhibitors
#5
Fabian Zeller, Manuel P Luitz, Rainer Bomblies, Martin Zacharias
A detailed understanding of the drug-receptor association process is of fundamental importance for drug design. Due to the long timescales of typical binding kinetics, the atomistic simulation of the ligand traveling from bulk solution into the binding site is still computationally challenging. In this work, we apply a multi-scale approach of combined molecular dynamics (MD) and Brownian dynamics (BD) simulations to investigate association pathway ensembles for the two prominent H1N1 neuraminidase inhibitors oseltamivir and zanamivir...
August 18, 2017: Journal of Chemical Theory and Computation
https://www.readbyqxmd.com/read/28820891/scene-text-detection-via-extremal-region-based-double-threshold-convolutional-network-classification
#6
Wei Zhu, Jing Lou, Longtao Chen, Qingyuan Xia, Mingwu Ren
In this paper, we present a robust text detection approach in natural images which is based on region proposal mechanism. A powerful low-level detector named saliency enhanced-MSER extended from the widely-used MSER is proposed by incorporating saliency detection methods, which ensures a high recall rate. Given a natural image, character candidates are extracted from three channels in a perception-based illumination invariant color space by saliency-enhanced MSER algorithm. A discriminative convolutional neural network (CNN) is jointly trained with multi-level information including pixel-level and character-level information as character candidate classifier...
2017: PloS One
https://www.readbyqxmd.com/read/28820883/spatial-clustering-of-patent-and-sub-patent-malaria-infections-in-northern-namibia-implications-for-surveillance-and-response-strategies-for-elimination
#7
Jennifer L Smith, Joyce Auala, Munyaradzi Tambo, Erastus Haindongo, Stark Katokele, Petrina Uusiku, Roly Gosling, Immo Kleinschmidt, Davis Mumbengegwi, Hugh J W Sturrock
BACKGROUND: Reactive case detection (RACD) around passively detected malaria cases is a strategy to identify and treat hotspots of malaria transmission. This study investigated the unproven assumption on which this approach is based, that in low transmission settings, infections cluster over small scales. METHODS: A prospective case-control study was conducted between January 2013 and August 2014 in Ohangwena and Omusati regions in north central Namibia. Patients attending health facilities who tested positive by malaria rapid diagnostic test (RDT) (index cases) were traced back to their home...
2017: PloS One
https://www.readbyqxmd.com/read/28820855/resistance-exercise-order-does-not-affect-the-magnitude-and-duration-of-post-exercise-blood-pressure-in-older-women
#8
Crisieli M Tomeleri, João Pedro Nunes, Mariana F Souza, Aline Gerage, Alexandre Marcori, Kessi Cassiane Iarosz, Crivaldo Gomes Cardoso-Júnior, Edilson S Cyrino
The aim of this study was to compare the effects of two resistance exercise order on post-exercise blood pressure (BP) in trained, non-hypertensive older women. Sixteen women (68.3 ± 3.3 years, 63.5 ± 11.6 kg, 157.5 ± 5.1 cm) performed two sessions witheight exercises (3 sets of 8-12 repetitions) in distinct orders (from multi- to single-joint exercises [MS] or from single- to multi-joint exercises [SM]) and a control session, without exercise. Blood pressure and heart rate were obtained pre and post-sessions (60 min)...
August 15, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28820720/dengue-virus-serotypes-1-and-2-responsible-for-major-dengue-outbreaks-in-nepal-clinical-laboratory-and-epidemiological-features
#9
Shyam Prakash Dumre, Renu Bhandari, Geeta Shakya, Sanjay Kumar Shrestha, Mahamoud Sama Cherif, Prakash Ghimire, Chonticha Klungthong, In-Kyu Yoon, Kenji Hirayama, Kesara Na-Bangchang, Stefan Fernandez
Dengue virus (DENV) is expanding toward previously nonendemic areas. DENV has recently been introduced in Nepal with limited information. We report the clinical features and serotype distribution of DENV in Nepal during the major outbreaks. A total of 1,215 clinical dengue cases at two major hospitals of central and western Nepal were investigated. Demographic, clinical, and laboratory parameters were recorded. Serum specimens were tested for DENV by IgM/IgG enzyme-linked immunosorbent assays (ELISAs) and reverse transcription polymerase chain reaction (RT-PCR)...
July 31, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28820708/clinical-spectrum-etiology-and-outcome-of-neurological-disorders-in-the-rural-hospital-of-mosango-the-democratic-republic-of-congo
#10
Deby Mukendi, Jean-Roger Lilo Kalo, Alain Mpanya, Luigi Minikulu, Tharcisse Kayembe, Pascal Lutumba, Barbara Barbé, Philippe Gillet, Jan Jacobs, Harry Van Loen, Cedric P Yansouni, François Chappuis, Raffaella Ravinetto, Kristien Verdonck, Marleen Boelaert, Andrea S Winkler, Emmanuel Bottieau
There is little published information on the epidemiology of neurological disorders in rural Central Africa, although the burden is considered to be substantial. This study aimed to investigate the pattern, etiology, and outcome of neurological disorders in children > 5 years and adults admitted to the rural hospital of Mosango, province of Kwilu, Democratic Republic of Congo, with a focus on severe and treatable infections of the central nervous system (CNS). From September 2012 to January 2015, 351 consecutive patients hospitalized for recent and/or ongoing neurological disorder were prospectively evaluated by a neurologist, subjected to a set of reference diagnostic tests in blood or cerebrospinal fluid, and followed-up for 3-6 months after discharge...
August 14, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28820610/asthma-treatment-and-outcomes-for-children-in-the-emergency-department-and-hospital
#11
Rupali Drewek, Lucia Mirea, Peter Touresian, Philip David Adelson
OBJECTIVE: To describe and compare the treatment of acute asthma exacerbations in children seen in the emergency department (ED) and admitted to acute care floor in the hospital or intensive care unit (ICU). METHODS: Retrospective chart review of visits for acute exacerbation of asthma treated at Phoenix Children's Hospital between January 1, 2014 and December 31, 2016. RESULTS: A total of 287 asthma exacerbation cases were identified including 106 (37%) ED visits, 134 (47%) hospital floor and 47 (16%) ICU admissions...
August 18, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28820442/tuning-properties-of-iron-oxide-nanoparticles-in-aqueous-synthesis-without-ligands-to-improve-mri-relaxivity-and-sar
#12
Debora Bonvin, Duncan T L Alexander, Angel Millán, Rafael Piñol, Beatriz Sanz, Gerardo F Goya, Abelardo Martínez, Jessica A M Bastiaansen, Matthias Stuber, Kurt J Schenk, Heinrich Hofmann, Marijana Mionić Ebersold
Aqueous synthesis without ligands of iron oxide nanoparticles (IONPs) with exceptional properties still remains an open issue, because of the challenge to control simultaneously numerous properties of the IONPs in these rigorous settings. To solve this, it is necessary to correlate the synthesis process with their properties, but this correlation is until now not well understood. Here, we study and correlate the structure, crystallinity, morphology, as well as magnetic, relaxometric and heating properties of IONPs obtained for different durations of the hydrothermal treatment that correspond to the different growth stages of IONPs upon initial co-precipitation in aqueous environment without ligands...
August 18, 2017: Nanomaterials
https://www.readbyqxmd.com/read/28820363/incidence-of-perioperative-medical-complications-and-mortality-among-elderly-patients-undergoing-surgery-for-spinal-deformity-analysis-of-3519-patients
#13
Amit Jain, Hamid Hassanzadeh, Varun Puvanesarajah, Eric O Klineberg, Daniel M Sciubba, Michael P Kelly, D Kojo Hamilton, Virginie Lafage, Aaron J Buckland, Peter G Passias, Themistocles S Protopsaltis, Renaud Lafage, Justin S Smith, Christopher I Shaffrey, Khaled M Kebaish
OBJECTIVE Using 2 complication-reporting methods, the authors investigated the incidence of major medical complications and mortality in elderly patients after surgery for adult spinal deformity (ASD) during a 2-year follow-up period. METHODS The authors queried a multicenter, prospective, surgeon-maintained database (SMD) to identify patients 65 years or older who underwent surgical correction of ASD from 2008 through 2014 and had a minimum 2 years of follow-up (n = 153). They also queried a Centers for Medicare & Medicaid Services claims database (MCD) for patients 65 years or older who underwent fusion of 8 or more vertebral levels from 2005 through 2012 (n = 3366)...
August 18, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28820134/patterns-of-human-plague-in-uganda-2008-2016
#14
Joseph D Forrester, Titus Apangu, Kevin Griffith, Sarah Acayo, Brook Yockey, John Kaggwa, Kiersten J Kugeler, Martin Schriefer, Christopher Sexton, C Ben Beard, Gordian Candini, Janet Abaru, Bosco Candia, Jimmy Felix Okoth, Harriet Apio, Lawrence Nolex, Geoffrey Ezama, Robert Okello, Linda Atiku, Joseph Mpanga, Paul S Mead
Plague is a highly virulent fleaborne zoonosis that occurs throughout many parts of the world; most suspected human cases are reported from resource-poor settings in sub-Saharan Africa. During 2008-2016, a combination of active surveillance and laboratory testing in the plague-endemic West Nile region of Uganda yielded 255 suspected human plague cases; approximately one third were laboratory confirmed by bacterial culture or serology. Although the mortality rate was 7% among suspected cases, it was 26% among persons with laboratory-confirmed plague...
September 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28820128/molecular-antimicrobial-resistance-surveillance-for-neisseria-gonorrhoeae-northern-territory-australia
#15
David M Whiley, Ella Trembizki, Cameron Buckley, Kevin Freeman, Robert W Baird, Miles Beaman, Marcus Chen, Basil Donovan, Ratan L Kundu, Christopher K Fairley, Rebecca Guy, Tiffany Hogan, John M Kaldor, Mahdad Karimi, Athena Limnios, David G Regan, Nathan Ryder, Jiunn-Yih Su, James Ward, Monica M Lahra
Neisseria gonorrhoeae antimicrobial resistance (AMR) is a globally recognized health threat; new strategies are needed to enhance AMR surveillance. The Northern Territory of Australia is unique in that 2 different first-line therapies, based primarily on geographic location, are used for gonorrhea treatment. We tested 1,629 N. gonorrhoeae nucleic acid amplification test-positive clinical samples, collected from regions where ceftriaxone plus azithromycin or amoxicillin plus azithromycin are recommended first-line treatments, by using 8 N...
September 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28819989/evaluating-the-addition-of-oxaliplatin-to-single-agent-fluoropyrimidine-in-the-treatment-of-locally-advanced-rectal-cancer-a-systematic-review-and-meta-analysis
#16
Subotheni Thavaneswaran, Peey Sei Kok, Timothy Price
INTRODUCTION: Multimodality treatment of patients with locally advanced rectal cancer has significantly improved local disease control, however the unaltered overall survival (OS) implicates an inability to further control micrometastases, providing rationale for intensified systemic treatment. A systematic review was conducted to evaluate the efficacy and toxicity of adding oxaliplatin to a fluoropyrimidine (intervention) compared with fluoropyrimidine alone (control) in the treatment of resectable rectal cancer...
August 18, 2017: Expert Review of Anticancer Therapy
https://www.readbyqxmd.com/read/28819835/efficacy-and-safety-of-linagliptin-in-2681-asian-patients-stratified-by-age-obesity-and-renal-function-a-pooled-analysis-of-randomized-clinical-trials
#17
Guang Ning, Tushar Bandgar, Uwe Hehnke, Jisoo Lee, Juliana C N Chan
INTRODUCTION: Asian patients with type 2 diabetes (T2D) are younger, leaner, and more likely to develop renal dysfunction than White populations. In this multiethnic analysis of data from phase 3 trials, we investigated the efficacy and safety of the dipeptidyl peptidase-4 inhibitor linagliptin in Asians stratified by these subphenotypes. METHODS: Data from randomized, double-blind, placebo-controlled trials evaluating linagliptin (as monotherapy, add-on therapy to metformin ± sulfonylurea, combined with pioglitazone or added to insulin) were pooled with efficacy data from 11 randomized trials of at least 24 weeks and safety data from 15 trials of various durations...
August 17, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28819755/importance-of-fna-technique-for-decreasing-non-diagnostic-rates-in-thyroid-nodules
#18
Amarbir S Gill, Richard Amdur, Arjun S Joshi
To identify potential interventions that may lower the high non-diagnostic rates associated with ultrasound guided (US) fine needle aspiration (FNA) biopsy of the thyroid nodule. A case series of 164 thyroid nodule US-guided FNA was identified retrospectively. The following variables were analyzed in regards to diagnostic and non-diagnostic sampling: patient age, gender, size of nodule, biopsy technique (capillary vs. aspiration), needle gauge (23 vs. 25), and physician experience. The FNA diagnosis, and final pathology, when applicable, was recorded for each sample using the Bethesda criteria...
August 17, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28819474/expanding-health-insurance-scheme-in-the-informal-sector-in-nigeria-awareness-as-a-potential-demand-side-tool
#19
David Ayobami Adewole, Saidat Abisola Akanbi, Kayode Omoniyi Osungbade, Segun Bello
INTRODUCTION: The implementation and expansion of a health insurance scheme in the informal sector, particularly in developing countries, is a challenge. With the aid of an innovative Information-Education and Communication model, titled 'Understanding the concept of health insurance: An innovative social marketing tool', an assessment of the awareness and perception of the scheme among market women was carried out. METHODS: This is a cross-sectional descriptive survey, carried out among market women in Ibadan, Nigeria...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28819380/phase-ii-trial-of-adjuvant-immunotherapy-with-autologous-tumor-derived-gp96-vaccination-in-patients-with-gastric-cancer
#20
Kecheng Zhang, Zheng Peng, Xiaohui Huang, Zhi Qiao, Xinxin Wang, Ning Wang, Hongqing Xi, Jianxin Cui, Yunhe Gao, Xijian Huang, Hua Gao, Bo Wei, Lin Chen
Background/Aims: Autologous, tumor-derived, heat shock protein gp96 peptide complexes have antitumor potential. We conducted the first Phase II trial to evaluate the safety and efficacy of gp96 vaccination in adjuvant settings for patients with gastric cancer. Methods: We enrolled 73 consecutive patients from October 2012 to December 2015. Thirty-eight patients received gp96 vaccination plus chemotherapy and 35 received chemotherapy alone. The primary endpoints were disease-free survival (DFS) and toxicity...
2017: Journal of Cancer
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