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https://www.readbyqxmd.com/read/28528421/end-of-life-care-for-glioblastoma-patients-at-a-large-academic-cancer-center
#1
Kamini E Kuchinad, Roy Strowd, Anne Evans, W Anthony Riley, Thomas J Smith
Glioblastoma (GBM) is a universally fatal disease, complicated by significant cognitive and physical disabilities, inherent to the disease course. The purpose of this study was to retrospectively analyze end-of-life care for GBM patients at an academic center and compare utilization of these services to national quality of care guidelines, with the goal of identifying opportunities to improve end-of-life care. Single center retrospective cohort study of GBM patients at Johns Hopkins Hospital (JHH) between 2009 and 2014, using electronic medical records and hospice records...
May 20, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28528392/habitat-quality-mediates-personality-through-differences-in-social-context
#2
Benjamin A Belgrad, Blaine D Griffen
Assessing the stability of animal personalities has become a major goal of behavioral ecologists. Most personality studies have utilized solitary individuals, but little is known on the extent that individuals retain their personality across ecologically relevant group settings. We conducted a field survey which determined that mud crabs, Panopeus herbstii, remain scattered as isolated individuals on degraded oyster reefs while high quality reefs can sustain high crab densities (>10 m(-2)). We examined the impact of these differences in social context on personality by quantifying the boldness of the same individual crabs when in isolation and in natural cohorts...
May 20, 2017: Oecologia
https://www.readbyqxmd.com/read/28528384/effects-of-salts-contained-in-lignocellulose-derived-sugar-streams-on-microbial-lipid-production
#3
Zhu Chen, Caixia Wan
This study aimed at developing low-cost, robust non-sterile fermentation processes for microbial lipid production from lignocellulose-derived sugars. Three representative oleaginous yeasts, Lipomyces tetrasporus (NRRL Y-11562), Rhodotorula toruloides (NRRL Y-1091), and Yarrowia lipolytica (NRRL YB-437), were tested for lipid production via non-sterile fermentation. Under optimal non-sterile conditions, all the tested strains had good performance on salt tolerance and lipid production. L. tetrasporus (NRRL Y-11562) gave the highest lipid titer of 12...
May 20, 2017: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/28528312/low-sensitivity-of-reproductive-life-stages-in-the-pacific-oyster-crassostrea-gigas-to-abamectin
#4
Laura J Falkenberg, Anna-Lisa Wrange, Alexandra Kinnby, Jon N Havenhand, Antony Lockyer, Craig A Styan
Hard surfaces submerged in the marine environment often become colonised by macro-organisms unless the surfaces have some form of biofouling protection. While protective paints that contain tributyltin or copper work well to prevent biofouling, release of these materials into the environment has been shown to have wider negative impacts. Consequently, new low-release antifouling paints are being developed with alternative active ingredients, such as avermectins, yet little is known about their potential effects on non-target organisms in marine environments...
May 15, 2017: Chemosphere
https://www.readbyqxmd.com/read/28528306/the-group-ii-intron-maturase-a-reverse-transcriptase-and-splicing-factor-go-hand-in-hand
#5
REVIEW
Chen Zhao, Anna Marie Pyle
The splicing of group II introns in vivo requires the assistance of a multifunctional intron encoded protein (IEP, or maturase). Each IEP is also a reverse-transcriptase enzyme that enables group II introns to behave as mobile genetic elements. During splicing or retro-transposition, each group II intron forms a tight, specific complex with its own encoded IEP, resulting in a highly reactive holoenzyme. This review focuses on the structural basis for IEP function, as revealed by recent crystal structures of an IEP reverse transcriptase domain and cryo-EM structures of an IEP-intron complex...
May 18, 2017: Current Opinion in Structural Biology
https://www.readbyqxmd.com/read/28528295/a-machine-learning-graph-based-approach-for-3d-segmentation-of-bruch-s-membrane-opening-from-glaucomatous-sd-oct-volumes
#6
Mohammad Saleh Miri, Michael D Abràmoff, Young H Kwon, Milan Sonka, Mona K Garvin
Bruch's membrane opening-minimum rim width (BMO-MRW) is a recently proposed structural parameter which estimates the remaining nerve fiber bundles in the retina and is superior to other conventional structural parameters for diagnosing glaucoma. Measuring this structural parameter requires identification of BMO locations within spectral domain-optical coherence tomography (SD-OCT) volumes. While most automated approaches for segmentation of the BMO either segment the 2D projection of BMO points or identify BMO points in individual B-scans, in this work, we propose a machine-learning graph-based approach for true 3D segmentation of BMO from glaucomatous SD-OCT volumes...
May 6, 2017: Medical Image Analysis
https://www.readbyqxmd.com/read/28528291/the-association-of-lifetime-physical-inactivity-with-bladder-and-renal-cancer-risk-a-hospital-based-case-control-analysis
#7
Rikki Cannioto, John Lewis Etter, Lauren Beryl Guterman, Janine M Joseph, Nicholas R Gulati, Kristina L Schmitt, Michael J LaMonte, Ryan Nagy, Albina Minlikeeva, James Brian Szender, Kirsten B Moysich
OBJECTIVES: Recreational physical inactivity has been gaining recognition as an independent epidemiological exposure of interest in relation to cancer endpoints due to evidence suggesting that it may associate with cancer independent of obesity. In the current analyses, we examined the associations of lifetime recreational physical inactivity with renal and bladder cancer risk. METHODS: In this hospital-based case-control study, we identified N=160 renal cancer patients, N=208 bladder cancer patients, and N=766 age frequency-matched controls without cancer...
May 18, 2017: Cancer Epidemiology
https://www.readbyqxmd.com/read/28528276/a-review-of-neighborhood-effects-and-early-child-development-how-where-and-for-whom-do-neighborhoods-matter
#8
REVIEW
Anita Minh, Nazeem Muhajarine, Magdalena Janus, Marni Brownell, Martin Guhn
This paper describes a scoping review of 42 studies of neighborhood effects on developmental health for children ages 0-6, published between 2009 and 2014. It focuses on three themes: (1) theoretical mechanisms that drive early childhood development, i.e. how neighborhoods matter for early childhood development; (2) dependence of such mechanisms on place-based characteristics i.e. where neighborhood effects occur; (3) dependence of such mechanisms on child characteristics, i.e. for whom is development most affected...
May 18, 2017: Health & Place
https://www.readbyqxmd.com/read/28528246/the-canadian-hypoglycemia-assessment-tool-program-insights-into-rates-and-implications-of-hypoglycemia-from-an-observational-study
#9
Ronnie Aronson, Ronald Goldenberg, Damir Boras, Rasmus Skovgaard, Harpreet Bajaj
OBJECTIVE: The true prevalence of hypoglycemia in insulin-treated patients with diabetes and its impact on patients, employers and healthcare providers is poorly appreciated owing to a paucity of real-world data. The global Hypoglycemia Assessment Tool (HAT) study addressed this issue, and here we report data from the Canadian cohort of patients. METHODS: This noninterventional, 6-month retrospective and 4-week prospective study enrolled patients aged ≥18 years receiving insulin treatment for >12 months from community endocrinology practices...
May 17, 2017: Canadian Journal of Diabetes
https://www.readbyqxmd.com/read/28528238/effects-of-grab-bar-on-utilized-friction-and-dynamic-stability-when-elderly-people-enter-the-bathtub
#10
Yusuke Sekiguchi, Tomohisa Kato, Keita Honda, Hiroyasu Kanetaka, Shin-Ichi Izumi
BACKGROUND: The effect of the grab bar on dynamic stability when elderly people enter the bathtub remains unclear. The purpose of the present study is to examine the age-related effect of the grab bar on dynamic stability during lateral stepping over an obstacle when entering bathtub. METHODS: Sixteen young, healthy adults and sixteen elderly adults participated. The subjects performed lateral stepping over an obstacle with and without vertical and horizontal bars...
May 10, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28528235/mapping-natural-radioactivity-of-soil-samples-in-different-regions-of-punjab-india
#11
Komal Saini, B S Bajwa
Thallium activated sodium iodide (NaI(Tl)) detector and multi channel analyzer has been utilized to measure gamma rays emitted by radio nuclides found in soil samples of south-west (SW) region of Punjab state, India where elevated level of uranium of around value of 700µg/l in groundwater has been reported. For comparative study, soil samples were also collected and analyzed from west (W) and north east (NE) regions of the state. Uranium and potassium has been found to be comparatively higher in SW region whereas thorium level is higher in W and NE part of Punjab state...
May 13, 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28528221/bronchopulmonary-dysplasia-and-perinatal-characteristics-predict-1-year-respiratory-outcomes-in-newborns-born-at-extremely-low-gestational-age-a-prospective-cohort-study
#12
Roberta L Keller, Rui Feng, Sara B DeMauro, Thomas Ferkol, William Hardie, Elizabeth E Rogers, Timothy P Stevens, Judith A Voynow, Scarlett L Bellamy, Pamela A Shaw, Paul E Moore
OBJECTIVE: To assess the utility of clinical predictors of persistent respiratory morbidity in extremely low gestational age newborns (ELGANs). STUDY DESIGN: We enrolled ELGANs (<29 weeks' gestation) at ≤7 postnatal days and collected antenatal and neonatal clinical data through 36 weeks' postmenstrual age. We surveyed caregivers at 3, 6, 9, and 12 months' corrected age to identify postdischarge respiratory morbidity, defined as hospitalization, home support (oxygen, tracheostomy, ventilation), medications, or symptoms (cough/wheeze)...
May 17, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28528171/accountable-care-organizations-and-the-use-of-cancer-screening
#13
Christian P Meyer, Anna Krasnova, Jesse D Sammon, Stuart R Lipsitz, Joel S Weissman, Maxine Sun, Quoc-Dien Trinh
Cancer preventive services, when used appropriately, result in improved health, better quality of life and decreased costs. For these reasons, cancer preventive services represent important priorities within the Affordable Care Act (ACA). Among the many provisions to improve access to preventive services the ACA introduced Accountable Care Organizations (ACOs) as trajectory to deliver coordinated, high-quality care. In order to evaluate this benchmark, we analyzed (in 2016/Boston) screening prevalence of breast cancer, a recommended screening test according to the United States Preventive Services Task Force (USPSTF), and prostate cancer, for which screening is no longer recommended by the USPSTF, among traditional Medicare beneficiaries and those enrolled in ACOs...
May 17, 2017: Preventive Medicine
https://www.readbyqxmd.com/read/28528154/impact-of-exercise-on-the-relationship-between-cac-scores%C3%A2-and-all-cause-mortality
#14
Yoav Arnson, Alan Rozanski, Heidi Gransar, Sean W Hayes, John D Friedman, Louise E J Thomson, Daniel S Berman
OBJECTIVES: This study aims to assess the correlations among coronary artery calcium (CAC), self-reported exercise, and mortality in asymptomatic patients. BACKGROUND: The interaction between reported exercise habits and CAC scores for predicting clinical risk is not yet well known. METHODS: We followed 10,690 asymptomatic patients who underwent CAC scanning. Patients were divided into 4 groups based on a single-item self-reported exercise...
May 11, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28528146/prognostic-value-of-coronary-ct-angiography-with-selective-pet-perfusion-imaging-in-coronary-artery-disease
#15
Teemu Maaniitty, Iida Stenström, Jeroen J Bax, Valtteri Uusitalo, Heikki Ukkonen, Sami Kajander, Maija Mäki, Antti Saraste, Juhani Knuuti
OBJECTIVES: The purpose of this study was to evaluate the prognostic value of sequential hybrid imaging strategy in which positron emission tomography (PET) perfusion imaging is performed selectively in patients with suspected obstructive coronary artery disease (CAD) on coronary computed tomography angiography (CTA). BACKGROUND: Coronary CTA is an accurate diagnostic test for excluding obstructive CAD. However, the positive predictive value is suboptimal. METHODS: We investigated 864 consecutive symptomatic patients with intermediate probability of CAD who adhered to the sequential imaging approach...
May 15, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28528137/fuzzy-dynamic-output-feedback-h%C3%A2-control-for-continuous-time-t-s-fuzzy-systems-under-imperfect-premise-matching
#16
Tao Zhao, Songyi Dian
This paper addresses a fuzzy dynamic output feedback H∞ control design problem for continuous-time nonlinear systems via T-S fuzzy model. The stability of the fuzzy closed-loop system which is formed by a T-S fuzzy model and a fuProd. Type: FTPzzy dynamic output feedback H∞ controller connected in a closed loop is investigated with Lyapunov stability theory. The proposed fuzzy controller does not share the same membership functions and number of rules with T-S fuzzy systems, which can enhance design flexibility...
May 17, 2017: ISA Transactions
https://www.readbyqxmd.com/read/28528131/no-increase-in-the-incidence-of-acute-kidney-injury-in-a-population-based-annual-temporal-trends-epidemiology-study
#17
Kianoush Kashani, Min Shao, Guangxi Li, Amy W Williams, Andrew D Rule, Walter K Kremers, Michael Malinchoc, Ognjen Gajic, John C Lieske
Recent literature suggests an increase in the incidence of acute kidney injury (AKI). We evaluated population-based trends of AKI over the course of nine years, using a validated electronic health record tool to detect AKI. All adult residents (18 years of age and older) of Olmsted County, Minnesota (MN), admitted to the Mayo Clinic Hospital between 2006 and 2014 were included. The incidence rate of AKI was calculated and temporal trends in the annual AKI incident rates assessed. During the nine-year study period, 10,283, and 41,847 patients were admitted to the intensive care unit or general ward, with 1,740 and 2,811 developing AKI, respectively...
May 18, 2017: Kidney International
https://www.readbyqxmd.com/read/28528117/composite-elastomeric-polyurethane-scaffolds-incorporating-small-intestinal-submucosa-for-soft-tissue-engineering
#18
Lincui Da, Mei Gong, Anjing Chen, Yi Zhang, Yizhou Huang, Zhijun Guo, Shengfu Li, Jesse Li-Ling, Li Zhang, Huiqi Xie
Although soft tissue replacement has been clinically successful in many cases, the corresponding procedure has many limitations including the lack of resilience and mechanical integrity, significant donor-site morbidity, volume loss with time, and fibrous capsular contracture. These disadvantages can be alleviated by utilizing bio-absorbable scaffolds with high resilience and large strain, which are capable of stimulating natural tissue regeneration. Hence, the chemically crosslinked tridimensional scaffolds obtained by incorporating water-based polyurethane (PU) (which was synthesized from polytetramethylene ether glycol, isophorone diisocyanate, and 2,2-bis(hydroxymethyl) butyric acid) into a bioactive extracellular matrix consisting of small intestinal submucosa (SIS) have been tested in this study to develop a new approach for soft tissue engineering...
May 17, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28528111/protection-of-%C3%AE-carotene-from-chemical-degradation-in-emulsion-based-delivery-systems-using-antioxidant-interfacial-complexes-catechin-egg-white-protein-conjugates
#19
Luping Gu, Yujie Su, Mengqi Zhang, Cuihua Chang, Junhua Li, David Julian McClements, Yanjun Yang
The aim of the present study was to fabricate catechin-egg white protein (CT-EWP) conjugates as novel food-grade antioxidant emulsifiers designed to improve the physicochemical stability of β-carotene (BC) emulsions. CT-EWP conjugates were synthesized using free radical grafting, and the formation of conjugates was confirmed by electrophoresis and liquid chromatography-mass spectrometry. The physicochemical stability of BC emulsions was characterized by measuring alterations in particle size, ζ-potential and BC retention...
June 2017: Food Research International
https://www.readbyqxmd.com/read/28528103/addition-of-exogenous-enzymes-to-diets-containing-grape-pomace-effects-on-intestinal-utilization-of-catechins-and-antioxidant-status-of-chickens
#20
S Chamorro, A Viveros, A Rebolé, I Arija, C Romero, I Alvarez, A Rey, A Brenes
Grape pomace (GP) is a rich source of polyphenols with antioxidant capacity. An experiment was conducted to study the effect of GP phenolic compounds included at 5 and 10%, and the addition (individually or combined) of hydrolyzing enzymes (carbohydrase enzyme complex and tannase at 500ppm) on intestinal utilization of catechins and antioxidant status in broiler chickens. A diet supplemented with 200ppm of α-tocopheryl acetate was also used. Our findings demonstrate the capacity of chickens to digest the monomeric (catechin, epicatechin, gallic acid, and epicatechin-O-gallate) and dimeric (procyanidin B1 and procyanidin B2) catechins present in grape pomace...
June 2017: Food Research International
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