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https://www.readbyqxmd.com/read/28527205/moderate-physical-activity-is-associated-with-cerebral-glucose-metabolism-in-adults-at-risk-for-alzheimer-s-disease
#1
Ryan J Dougherty, Stephanie A Schultz, Taylor K Kirby, Elizabeth A Boots, Jennifer M Oh, Dorothy Edwards, Catherine L Gallagher, Cynthia M Carlsson, Barbara B Bendlin, Sanjay Asthana, Mark A Sager, Bruce P Hermann, Bradley T Christian, Sterling C Johnson, Dane B Cook, Ozioma C Okonkwo
The objective of this study was to investigate the relationship between accelerometer-measured physical activity (PA) and glucose metabolism in asymptomatic late-middle-aged adults. Ninety-three cognitively healthy late-middle-aged adults from the Wisconsin Registry for Alzheimer's Prevention participated in this cross-sectional study. They underwent 18F-fluorodeoxyglucose positron emission tomography (FDG-PET) imaging and wore an accelerometer (ActiGraph GT3X+) to measure free-living PA. Accelerometer data yielded measures of light (LPA), moderate (MPA), and vigorous (VPA) intensity PA...
May 17, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28526896/signal-intensity-at-unenhanced-t1-weighted-magnetic-resonance-in-the-globus-pallidus-and-dentate-nucleus-after-serial-administrations-of-a-macrocyclic-gadolinium-based-contrast-agent-in-children
#2
Maria Camilla Rossi Espagnet, Bruno Bernardi, Luca Pasquini, Lorenzo Figà-Talamanca, Paolo Tomà, Antonio Napolitano
BACKGROUND: Few studies have been conducted on the relations between T1-weighted signal intensity changes in the pediatric brain following gadolinium-based contrast agent (GBCA) exposure. OBJECTIVE: The purpose of this study is to investigate the effect of multiple administrations of a macrocyclic GBCA on signal intensity in the globus pallidus and dentate nucleus of the pediatric brain on unenhanced T1-weighted MR images. MATERIALS AND METHODS: This retrospective study included 50 patients, mean age: 8 years (standard deviation: 4...
May 19, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28526731/validated-bayesian-differentiation-of-causative-and-passenger-mutations
#3
Frederick R Cross, Michal Breker, Kristi Lieberman
In many contexts, the problem arises of determining which of many candidate mutations is the most likely to be causative for some phenotype. It is desirable to have a way to evaluate this probability that relies as little as possible on previous knowledge, to avoid bias against discovering new genes or functions. We are isolating mutants with blocked cell cycle progression in Chlamydomonas, and determining mutant genome sequences. Due to the intensity of UV mutagenesis required for efficient mutant collection, the mutants contain multiple mutations altering coding sequence...
May 19, 2017: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/28526730/a-targeted-capture-linkage-map-anchors-the-genome-of-the-schistosomiasis-vector-snail-biomphalaria-glabrata
#4
Jacob A Tennessen, Stephanie R Bollmann, Michael S Blouin
The aquatic planorbid snail Biomphalaria glabrate is one of the most intensively-studied mollusks due to its role in the transmission of schistosomiasis. Its 916 Mb genome has recently been sequenced and annotated, but it remains poorly assembled. Here we used targeted capture markers to map over 10,000 B. glabrate scaffolds in a linkage cross of 94 F1 offspring, generating 24 linkage groups. We added additional scaffolds to these linkage groups based on linkage disequilibrium analysis of targeted capture and whole-genome sequences of 96 unrelated snails...
May 19, 2017: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/28526671/telehealth-interventions-to-support-self-management-of-long-term-conditions-a-systematic-metareview-of-diabetes-heart-failure-asthma-chronic-obstructive-pulmonary-disease-and-cancer
#5
REVIEW
Peter Hanlon, Luke Daines, Christine Campbell, Brian McKinstry, David Weller, Hilary Pinnock
BACKGROUND: Self-management support is one mechanism by which telehealth interventions have been proposed to facilitate management of long-term conditions. OBJECTIVE: The objectives of this metareview were to (1) assess the impact of telehealth interventions to support self-management on disease control and health care utilization, and (2) identify components of telehealth support and their impact on disease control and the process of self-management. Our goal was to synthesise evidence for telehealth-supported self-management of diabetes (types 1 and 2), heart failure, asthma, chronic obstructive pulmonary disease (COPD) and cancer to identify components of effective self-management support...
May 17, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28526573/transcriptomic-variation-of-locally-infected-skin-of-epinephelus-coioides-reveals-the-mucosal-immune-mechanism-against-cryptocaryon-irritans
#6
Yazhou Hu, Anxing Li, Yang Xu, Biao Jiang, Geling Lu, Xiaochun Luo
Fish skin is the largest immunologically active mucosal organ, providing first-line defense against external pathogens. However, the skin-associated immune mechanisms of fish are still unclear. Cryptocaryon irritans is an obligate ectoparasitic ciliated protozoan that infects almost all marine fish, and is believed to be an excellent pathogen model to study fish mucosal immunity. In this study, a de novo transcriptome assembly of Epinephelus coioides skin post C. irritans tail-infection was performed for the first time using the Illumina HiSeq™ 2500 system...
May 16, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28526500/pulmonary-function-tests-do-not-predict-mortality-in-patients-undergoing-continuous-flow-left-ventricular-assist-device-implantation
#7
Edo K S Bedzra, Todd F Dardas, Richard K Cheng, Jay D Pal, Claudius Mahr, Jason W Smith, Kent Shively, S Carolina Masri, Wayne C Levy, Nahush A Mokadam
OBJECTIVES: To investigate the effect of pulmonary function testing on outcomes after continuous flow left ventricular assist device implantation. METHODS: A total of 263 and 239 patients, respectively, had tests of forced expiratory volume in 1 second and diffusing capacity of the lungs for carbon monoxide preoperatively for left ventricular assist device implantations between July 2005 and September 2015. Kaplan-Meier analysis and multivariable Cox regressions were performed to evaluate mortality...
April 11, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28526396/the-impact-of-initial-misdiagnosis-of-ruptured-abdominal-aortic-aneurysms-on-lead-times-complication-rate-and-survival
#8
K Smidfelt, C Drott, K Törngren, J Nordanstig, J Herlitz, M Langenskiöld
OBJECTIVE/BACKGROUND: To investigate the frequency of initial misdiagnosis and the clinical consequences of an initial misdiagnosis of ruptured abdominal aortic aneurysms (rAAA). METHODS: This was a retrospective cohort study. Data from the Swedish National Registry for Vascular Surgery (Swedvasc) and medical charts were extracted for patients treated for rAAA in the West of Sweden in the period 2008-14. Initially misdiagnosed patients were compared with correctly diagnosed patients...
May 16, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28526375/effect-of-overweight-and-obesity-on-weight-loss-and-length-of-stay-in-patients-with-walled-off-pancreatic-necrosis
#9
Sisse Rysgaard, Ditlev Rasmussen, Srdan Novovic, Palle N Schmidt, Lise L Gluud
OBJECTIVE: The aim of this study was to assess the association between admission weight, weight loss, and length of stay (LOS) in patients with walled-off pancreatic necrosis. METHODS: We classified the admission body mass index (BMI) of 18.5 to <25 kg/m(2) as normal weight, 25 to <30 kg/m(2) as overweight, and ≥30 kg/m(2) as obesity. The Nutritional Risk Screening score-2002 was calculated to identify patients at risk for undernutrition. RESULTS: We included 38 patients (61% men, 68% with infected necrosis; 40% normal weight; 60% overweight/obesity)...
June 2017: Nutrition
https://www.readbyqxmd.com/read/28526329/a-behaviour-change-intervention-to-reduce-sedentary-time-in-people-with-chronic-obstructive-pulmonary-disease-protocol-for-a-randomised-controlled-trial
#10
Sonia Wing Mei Cheng, Jennifer Alison, Sarah Dennis, Emmanuel Stamatakis, Lissa Spencer, Renae McNamara, Susan Sims, Zoe McKeough
INTRODUCTION: Replacing sedentary behaviour with light intensity physical activity (ie, activities classified as less than three metabolic equivalents, such as slow-paced walking) may be a more realistic strategy for reducing cardiometabolic risk in people with chronic obstructive pulmonary disease than only aiming to increase levels of moderate-vigorous intensity physical activity. Behaviour change interventions to reduce sedentary behaviour in people with chronic obstructive pulmonary disease have not yet been developed or tested...
May 16, 2017: Journal of Physiotherapy
https://www.readbyqxmd.com/read/28526269/nanoscale-analysis-of-the-oxidation-state-and-surface-termination-of-praseodymium-oxide-ultrathin-films-on-ruthenium-0001
#11
J I Flege, J-O Krisponeit, J Höcker, M Hoppe, Y Niu, A Zakharov, A Schaefer, J Falta, E E Krasovskii
The complex structure and morphology of ultrathin praseodymia films deposited on a ruthenium(0001) single crystal substrate by reactive molecular beam epitaxy is analyzed by intensity-voltage low-energy electron microscopy in combination with theoretical calculations within an ab initio scattering theory. A rich coexistence of various nanoscale crystalline surface structures is identified for the as-grown samples, notably comprising two distinct oxygen-terminated hexagonal Pr2O3(0001) surface phases as well as a cubic Pr2O3(111) and a fluorite PrO2(111) surface component...
May 10, 2017: Ultramicroscopy
https://www.readbyqxmd.com/read/28526233/keratinocyte-growth-factor-for-the-treatment-of-the-acute-respiratory-distress-syndrome-kare-a-randomised-double-blind-placebo-controlled-phase-2-trial
#12
Daniel F McAuley, Lj Mark Cross, Umar Hamid, Evie Gardner, J Stuart Elborn, Kathy M Cullen, Ahilanandan Dushianthan, Michael Pw Grocott, Michael A Matthay, Cecilia M O'Kane
BACKGROUND: Data from in-vitro, animal, and human lung injury models suggest that keratinocyte growth factor (KGF) might be beneficial in acute respiratory distress syndrome (ARDS). The objective of this trial was to investigate the effect of KGF in patients with ARDS. METHODS: We did a double-blind, allocation concealed, randomised, placebo-controlled phase 2 trial in two intensive care units in the UK, involving patients fulfilling the American-European Consensus Conference Definition of ARDS...
May 16, 2017: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/28525980/the-distribution-of-mitochondrial-dna-haplogroup-h-in-southern-iberia-indicates-ancient-human-genetic-exchanges-along-the-western-edge-of-the-mediterranean
#13
Candela L Hernández, Jean M Dugoujon, Andrea Novelletto, Juan N Rodríguez, Pedro Cuesta, Rosario Calderón
BACKGROUND: The structure of haplogroup H reveals significant differences between the western and eastern edges of the Mediterranean, as well as between the northern and southern regions. Human populations along the westernmost Mediterranean coasts, which were settled by individuals from two continents separated by a relatively narrow body of water, show the highest frequencies of mitochondrial haplogroup H. These characteristics permit the analysis of ancient migrations between both shores, which may have occurred via primitive sea crafts and early seafaring...
May 19, 2017: BMC Genetics
https://www.readbyqxmd.com/read/28525851/a-fully-integrated-distance-readout-elisa-chip-for-point-of-care-testing-with-sample-in-answer-out-capability
#14
Dan Liu, Xingrui Li, Junkai Zhou, Shibo Liu, Tian Tian, Yanling Song, Zhi Zhu, Leiji Zhou, Tianhai Ji, Chaoyong Yang
Enzyme-linked immunosorbent assay (ELISA) is a popular laboratory technique for detection of disease-specific protein biomarkers with high specificity and sensitivity. However, ELISA requires labor-intensive and time-consuming procedures with skilled operators and spectroscopic instrumentation. Simplification of the procedures and miniaturization of the devices are crucial for ELISA-based point-of-care (POC) testing in resource-limited settings. Here, we present a fully integrated, instrument-free, low-cost and portable POC platform which integrates the process of ELISA and the distance readout into a single microfluidic chip...
May 4, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28525850/highly-sensitive-aptasensor-based-on-fluorescence-resonance-energy-transfer-between-l-cysteine-capped-zns-quantum-dots-and-graphene-oxide-sheets-for-the-determination-of-edifenphos-fungicide
#15
Majid Arvand, Aazam A Mirroshandel
With the advantages of excellent optical properties and biocompatibility, single-strand DNA-functionalized quantum dots have been widely applied in biosensing and bioimaging. A new aptasensor with easy operation, high sensitivity, and high selectivity was developed by immobilizing the aptamer on water soluble l-cysteine capped ZnS quantum dots (QDs). Graphene oxide (GO) sheets are mixed with the aptamer-QDs. Consequently, the aptamer-conjugated QDs bind to the GO sheets to form a GO/aptamer-QDs ensemble. This aptasensor enables the energy transfer based on a fluorescence resonance energy transfer (FRET) from the QDs to the GO sheets, quenching the fluorescence of QDs...
May 12, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28525779/systematic-review-and-meta-analysis-of-renal-replacement-therapy-modalities-for-acute-kidney-injury-in-the-intensive-care-unit
#16
Danielle M Nash, Sebastian Przech, Ron Wald, Daria O'Reilly
PURPOSE: To compare clinical outcomes among critically ill adults with acute kidney injury (AKI) treated with continuous renal replacement therapy (CRRT), intermittent hemodialysis (IHD) or sustained low efficiency dialysis (SLED). MATERIALS AND METHODS: We completed a systematic review and meta-analysis of studies published in 2015 or earlier using MEDLINE®, EMBASE®, Cochrane databases and grey literature. Eligible studies included randomized clinical trials (RCTs) or prospective cohort studies comparing outcomes of mortality, dialysis dependence or length of stay among critically ill adults receiving CRRT, IHD or SLED to treat AKI...
May 9, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28525713/identification-and-validation-of-sensory-active-compounds-from-data-driven-research-a-flavoromics-approach
#17
Ian Ronningen, Michelle Miller, Youlin Xia, Devin G Peterson
In the current study significant LC/MS features, from multivariate analysis (MVA) models developed using untargeted chemical fingerprinting to characterize flavor changes in extracts of citrus fruits related to aging, were further isolated and analyzed for sensory relevant information, followed by structural elucidation of flavor actives. The top ten statistical features from two MVA approaches, partial least squares data analysis (PLS-DA) and Random Forrest (RF), were purified to approximately 70% via multi-dimensional liquid chromatography-mass directed fractionation to screen for sensory activity...
May 19, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28525508/analysis-of-hypo-and-hyperphosphatemia-in-an-intensive-care-unit-cohort
#18
Marcus Broman, Amanda M J Wilsson, Fredrik Hansson, Bengt Klarin
BACKGROUND: Blood phosphate levels are vulnerable to fluctuations and changes in phosphate levels are often neglected. The aim of this study was to evaluate whether deviations in phosphate levels correlate to higher 180-day overall mortality or morbidity. METHODS: Four thousand six hundred fifty-six patients with 19,467 phosphate values treated at the adult intensive care unit at Skåne University Hospital, Lund, Sweden during 2006-2014 were retrospectively divided into a control group and 3 study groups: hypophosphatemia, hyperphosphatemia, and a mixed group showing both hypo/hyperphosphatemia...
June 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28525476/magnetic-resonance-classification-system-of-cervical-intervertebral-disk-degeneration-its-validity-and-meaning
#19
Akinobu Suzuki, Michael D Daubs, Tetsuo Hayashi, Monchai Ruangchainikom, Chenjie Xiong, Kevin Phan, Trevor P Scott, Jeffery C Wang
STUDY DESIGN: Retrospective analysis of kinetic magnetic resonance images (kMRIs). OBJECTIVE: (1) To analyze the changes seen on MRI related to disk degeneration and to develop a new grading system for cervical disk degeneration. (2) To evaluate the reliability and validity of the grading system. SUMMARY OF BACKGROUND DATA: Few have studied the relationship between changes seen on MRI with cervical disk degeneration and the chronological order of disk degeneration...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28525445/priorities-and-preferences-for-weight-management-and-cardiovascular-risk-reduction-in-primary-care
#20
Lynne S Nemeth, LaShanta J Rice, Maryellen Potts, Cathy Melvin, Melanie Jefferson, Chanita Hughes-Halbert
Implementing behavioral interventions for cardiovascular risk reduction and weight management is challenging in primary care. Primary care patients and providers were recruited for qualitative interviews to identify priorities and preferences for addressing weight management. Thematic analysis was used to identify relevant resources, barriers to lifestyle modification, health behavior change, and implementation of weight management strategies into care. Patients and providers prioritized increasing physical activity and healthy diets when managing chronic disease; and reported decreased patient motivation, knowledge, and limited organizational capacity and time among providers to deliver intensive interventions...
July 2017: Family & Community Health
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