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https://www.readbyqxmd.com/read/27926918/evaluation-of-lymphatic-filariasis-and-onchocerciasis-in-three-senegalese-districts-treated-for-onchocerciasis-with-ivermectin
#1
Nana O Wilson, Alioune Badara Ly, Vitaliano A Cama, Paul T Cantey, Daniel Cohn, Lamine Diawara, Abdel Direny, Mawo Fall, Karla R Feeser, LeAnne M Fox, Achille Kabore, Amadou F Seck, Ngayo Sy, Daouda Ndiaye, Christine Dubray
In Africa, onchocerciasis and lymphatic filariasis (LF) are co-endemic in many areas. Current efforts to eliminate both diseases are through ivermectin-based mass drug administration (MDA). Years of ivermectin distribution for onchocerciasis may have interrupted LF transmission in certain areas. The Kédougou region, Senegal, is co-endemic for LF and onchocerciasis. Though MDA for onchocerciasis started in 1988, in 2014 albendazole had not yet been added for LF. The objective of this study was to assess in an integrated manner the LF and onchocerciasis status in the three districts of the Kédougou region after ≥10 years of ivermectin-based MDA...
December 2016: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/27926778/met-tyrosine-kinase-receptor-expression-and-amplification-as-prognostic-biomarkers-of-survival-in-gastroesophageal-adenocarcinoma
#2
Daniel V T Catenacci, Agnes Ang, Wei-Li Liao, Jing Shen, Emily O'Day, Robert D Loberg, Fabiola Cecchi, Todd Hembrough, Annamaria Ruzzo, Francesco Graziano
BACKGROUND: MET gene amplification and Met protein overexpression may be associated with a poor prognosis. The MET/Met status is typically determined with fluorescence in situ hybridization (FISH) and immunohistochemistry (IHC), respectively. Targeted proteomics uses mass spectrometry-based selected reaction monitoring (SRM) to accurately quantitate Met expression. FISH, IHC, and SRM analyses were compared to characterize the prognostic value of MET/Met in gastroesophageal adenocarcinoma (GEC)...
December 7, 2016: Cancer
https://www.readbyqxmd.com/read/27925846/characteristics-sources-and-cytotoxicity-of-atmospheric-polycyclic-aromatic-hydrocarbons-in-urban-roadside-areas-of-hangzhou-china
#3
Hongzhen Bai, Hongjian Zhang
The primary objective of this study is to understand the profiles, sources and cytotoxic effects of atmospheric polycyclic aromatic hydrocarbons (PAHs), which are closely related to urban air contamination and public health, in urban roadside environments. On-road sampling campaigns were conducted from 2014 to 2015 at three urban road sites in Hangzhou, China. Sixteen gaseous and particulate matter (PM) 2.5-bound PAHs were identified and quantified using gas chromatography-mass spectrometry (GC-MS). The total PAH concentrations at the three sites ranged from 750 to1142 ng/m(3) and 1050 to 1483 ng/m(3) in summer and winter, respectively...
December 7, 2016: Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering
https://www.readbyqxmd.com/read/27925657/population-pharmacokinetics-of-cefazolin-in-serum-and-adipose-tissue-from-overweight-and-obese-women-undergoing-cesarean-delivery
#4
Mordechai Grupper, Joseph L Kuti, Morgan L Swank, Lindsay Maggio, Brenna L Hughes, David P Nicolau
The optimal antibiotic prophylaxis dosing regimen of cefazolin for cesarean delivery (CD) in overweight and obese women is unknown. This study was done to compare the duration that cefazolin concentrations remain above the minimum inhibitory concentration (MIC) in adipose tissue (AT). Serum and AT concentrations from 3 previous studies in CD patients were comodeled using the nonparametric adaptive grid algorithm in Pmetrics. AT concentrations for 5000 overweight and obese patients receiving 1-, 2-, and 3-g cefazolin regimens were simulated to calculate the probability that free drug concentrations remained above an MIC of 2 μg/mL at 1, 1...
December 7, 2016: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/27925316/functional-species-encapsulated-in-nitrogen-doped-porous-carbon-as-a-highly-efficient-catalyst-to-oxygen-reduction-reaction
#5
Li Song, Tao Wang, Yiou Ma, Hairong Xue, Hu Guo, Xiaoli Fan, Wei Xia, Hao Gong, Jianping He
The scarcity, high cost and poor stability of precious metal-based electrocatalysts have stimulated the development of novel non-precious metal catalysts to oxygen reduction reaction (ORR) for the use in fuel cells and metal-air batteries. Here, we in-situ fabricated a hybrid material (Co-W-C/N) with functional species (tungsten carbide and cobalt nanoparticles) encapsulated in N-doped porous carbon framework, through a facile multi-constituents co-assembly method combined with subsequent annealing treatment...
December 7, 2016: Chemistry: a European Journal
https://www.readbyqxmd.com/read/27924806/abdominal-fat-distribution-differently-affects-muscle-strength-of-the-upper-and-lower-extremities-in-women
#6
L Otten, A Bosy-Westphal, J Ordemann, E Rothkegel, N Stobäus, U Elbelt, K Norman
BACKGROUND/OBJECTIVES: In obese subjects, reduced muscle mass and strength are associated with impaired functional and metabolic capacity. We therefore investigated the association between abdominal fat distribution, fat mass index and maximum muscle strength of upper and lower extremities in obese patients. SUBJECTS/METHODS: One hundred and fifty five outpatients with a body mass index (BMI)⩾30 kg/m(2) (105 women; 45.1±14.6 years; BMI 43.5±8.2 kg/m(2)) were included in the study...
December 7, 2016: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/27923875/accounting-for-protein-subcellular-localization-a-compartmental-map-of-the-rat-liver-proteome
#7
Michel Jadot, Marielle Boonen, Jacqueline Thirion, Nan Wang, Jinchuan Xing, Caifeng Zhao, Abla Tannous, Meiqian Qian, Haiyan Zheng, John K Everett, Dirk F Moore, David E Sleat, Peter Lobel
Accurate knowledge of the intracellular location of proteins is important for numerous areas of biomedical research including assessing fidelity of putative protein-protein interactions, modeling cellular processes at a system-wide level and investigating metabolic and disease pathways. Many proteins have not been localized, or have been incompletely localized, partly because most studies do not account for entire subcellular distribution. Thus, proteins are frequently assigned to one organelle while a significant fraction may reside elsewhere...
December 6, 2016: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/27923585/prenatal-lead-exposure-and-fetal-growth-smaller-infants-have-heightened-susceptibility
#8
Rodosthenis S Rodosthenous, Heather H Burris, Katherine Svensson, Chitra J Amarasiriwardena, Alejandra Cantoral, Lourdes Schnaas, Adriana Mercado-García, Brent A Coull, Robert O Wright, Martha M Téllez-Rojo, Andrea A Baccarelli
BACKGROUND: As population lead levels decrease, the toxic effects of lead may be distributed to more sensitive populations, such as infants with poor fetal growth. OBJECTIVES: To determine the association of prenatal lead exposure and fetal growth; and to evaluate whether infants with poor fetal growth are more susceptible to lead toxicity than those with normal fetal growth. METHODS: We examined the association of second trimester maternal blood lead levels (BLL) with birthweight-for-gestational age (BWGA) z-score in 944 mother-infant participants of the PROGRESS cohort...
December 3, 2016: Environment International
https://www.readbyqxmd.com/read/27922886/bioengineered-renal-cell-therapy-device-for-clinical-translation
#9
Christopher J Pino, Angela J Westover, Deborah A Buffington, H David Humes
The Bioartificial Renal Epithelial Cell System (BRECS), is a cell-based device to treat acute kidney injury through renal cell therapy from an extracorporeal circuit. To enable widespread implementation of cell therapy, the BRECS was designed to be cryopreserved as a complete device, cryostored, cryoshipped to an end-use site, thawed as a complete device, and employed in a therapeutic extracorporeal hemofiltration circuit. This strategy overcomes storage and distribution issues that have been previous barriers to cell therapy...
December 2, 2016: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/27922599/direct-single-cell-biomass-estimates-for-marine-bacteria-via-archimedes-principle
#10
Nathan Cermak, Jamie W Becker, Scott M Knudsen, Sallie W Chisholm, Scott R Manalis, Martin F Polz
Microbes are an essential component of marine food webs and biogeochemical cycles, and therefore precise estimates of their biomass are of significant value. Here, we measured single-cell biomass distributions of isolates from several numerically abundant marine bacterial groups, including Pelagibacter (SAR11), Prochlorococcus and Vibrio using a microfluidic mass sensor known as a suspended microchannel resonator (SMR). We show that the SMR can provide biomass (dry mass) measurements for cells spanning more than two orders of magnitude and that these estimates are consistent with other independent measures...
December 6, 2016: ISME Journal
https://www.readbyqxmd.com/read/27922463/the-dangers-of-estimating-v%C3%AB-o2max-using-linear-nonexercise-prediction-models
#11
Alan M Nevill, Carlton B Cooke
PURPOSE: To compare the accuracy and goodness-of-fit of two competing models (linear versus allometric) when estimating V˙O2max (ml.kg.min) using non-exercise prediction models. METHODS: The two competing models were fitted to the V˙O2max (ml.kg.min) data taken from two previously published studies. Study 1 (the Allied Dunbar National Fitness Survey, ADNFS), recruited 1732 randomly selected healthy participants, aged 16 years and over, from thirty English parliamentary constituencies...
December 1, 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27921375/visceral-adiposity-and-cancer-survival-a-review-of-imaging-studies
#12
REVIEW
J Xiao, V C Mazurak, T A Olobatuyi, B J Caan, C M Prado
Although obesity is a well-known risk factor for cancer, the association between obesity and cancer survival remains controversial. This is partially due to the inability of conventional obesity measures to directly assess adiposity or adipose tissue distribution. As a metabolic organ, visceral adipose tissue (VAT) secrets a variety of cytokines and cytokine-like factors, potentially affecting cancer survival. The objective of this review was to investigate the influence of imaging-assessed VAT on cancer survival...
December 6, 2016: European Journal of Cancer Care
https://www.readbyqxmd.com/read/27921226/the-relationship-between-aerosol-particles-chemical-composition-and-optical-properties-to-identify-the-biomass-burning-contribution-to-fine-particles-concentration-a-case-study-for-s%C3%A3-o-paulo-city-brazil
#13
Regina Maura de Miranda, Fabio Lopes, Nilton Évora do Rosário, Marcia Akemi Yamasoe, Eduardo Landulfo, Maria de Fatima Andrade
The air quality in the Metropolitan Area of São Paulo (MASP) is primarily determined by the local pollution source contribution, mainly the vehicular fleet, but there is a concern about the role of remote sources to the fine mode particles (PM2.5) concentration and composition. One of the most important remote sources of atmospheric aerosol is the biomass burning emissions from São Paulo state's inland and from the central and north portions of Brazil. This study presents a synergy of different measurements of atmospheric aerosol chemistry and optical properties in the MASP in order to show how they can be used as a tool to identify particles from local and remote sources...
December 2016: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/27920548/platelet-count-and-platelet-indices-in-women-with-preeclampsia
#14
Muneera A AlSheeha, Rafi S Alaboudi, Mohammad A Alghasham, Javed Iqbal, Ishag Adam
BACKGROUND: Although the exact pathophysiology of preeclampsia is not completely understood, the utility of different platelets indices can be utilized to predict preeclampsia. OBJECTIVE: To compare platelet indices, namely platelet count (PC), mean platelet volume (MPV), platelet distribution width (PDW), and PC to MPV ratio in women with preeclampsia compared with healthy controls. SETTING: Qassim Hospital, Kingdom of Saudi Arabia. DESIGN: A case-control study...
2016: Vascular Health and Risk Management
https://www.readbyqxmd.com/read/27920072/clinic-blood-pressure-underestimates-ambulatory-blood-pressure-in-an-untreated-employer-based-us-population-results-from-the-masked-hypertension-study
#15
Joseph E Schwartz, Matthew M Burg, Daichi Shimbo, Joan E Broderick, Arthur A Stone, Joji Ishikawa, Richard Sloan, Tyla Yurgel, Steven Grossman, Thomas G Pickering
BACKGROUND: Ambulatory blood pressure (ABP) is consistently superior to clinic blood pressure (CBP) as a predictor of cardiovascular morbidity and mortality risk. A common perception is that ABP is usually lower than CBP. The relationship of the CBP minus ABP difference to age has not been examined in the United States. METHODS: Between 2005 and 2012, 888 healthy, employed, middle-aged (mean±SD age, 45±10.4 years) individuals (59% female, 7.4% black, 12% Hispanic) with screening BP <160/105 mm Hg and not taking antihypertensive medication completed 3 separate clinic BP assessments and a 24-hour ABP recording for the Masked Hypertension Study...
December 6, 2016: Circulation
https://www.readbyqxmd.com/read/27919698/the-use-of-partially-hydrolysed-polyvinyl-alcohol-for-the-production-of-high-drug-loaded-sustained-release-pellets-via-extrusion-spheronisation-and-coating-in-vitro-and-in-vivo-evaluation
#16
G Verstraete, W De Jaeghere, J Vercruysse, W Grymonpré, V Vanhoorne, F Stauffer, T De Beer, A Bezuijen, J P Remon, C Vervaet
Partially hydrolysed polyvinyl alcohol (PVA) was evaluated as a pelletisation aid for the production of pellets with a high acetaminophen and metformin hydrochloride concentration (>70%, w/w). Mixtures with varying drug concentration and PVA/microcrystalline cellulose (MCC) ratios were processed via extrusion-spheronisation, either after addition of PVA as a dry powder or as an aqueous solution. Finally, high drug- loaded metformin pellets were coated with a methacrylic acid copolymer (Eudragit™ NM 30D) and evaluated for their sustained release potency in vitro and in vivo...
December 2, 2016: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/27919665/three-dimensional-visualization-of-membrane-phospholipid-distributions-in-arabidopsis-thaliana-seeds-a-spatial-perspective-of-molecular-heterogeneity
#17
Drew Sturtevant, Maria Emilia Dueñas, Young-Jin Lee, Kent D Chapman
Arabidopsis thaliana has been widely used as a model plant to study acyl lipid metabolism. Seeds of A. thaliana are quite small (approximately 500×300μm and weigh ~20μg), making lipid compositional analyses of single seeds difficult to achieve. Here we have used matrix assisted laser desorption/ionization-mass spectrometry imaging (MALDI-MSI) to map and visualize the three-dimensional spatial distributions of two common membrane phospholipid classes, phosphatidylcholine (PC) and phosphatidylinositol (PI), in single A...
December 2, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27918974/generational-change-in-fasting-glucose-and-insulin-among-children-at-ages-5-16y-modelled-on-the-earlybird-study-2015-and-uk-growth-standards-1990-earlybird-69
#18
Mohammod Mostazir, Alison Jeffery, Linda Voss, Terence Wilkin
AIM: Pre-diabetes is a state of beta-cell stress caused by excess demand for insulin. Body mass is an important determinant of insulin demand, and BMI has risen substantially over recent time. We sought to model changes in the parameters of glucose control against rising BMI over the past 25years. METHODS: Using random coefficient mixed models, we established the correlations between HbA1C, fasting glucose, fasting insulin, HOMA2-IR and BMI in contemporary (2015) children (N=307) at ages 5-16y from the EarlyBird study, and modelled their corresponding values 25years ago according to the distribution of BMI in the UK Growth Standards (1990)...
November 28, 2016: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/27918826/long-term-protection-of-genetically-ablated-rabbit-retinal-degeneration-by-sustained-transscleral-unoprostone-delivery
#19
Nobuhiro Nagai, Eri Koyanagi, Yasuko Izumida, Junjun Liu, Aya Katsuyama, Hirokazu Kaji, Matsuhiko Nishizawa, Noriko Osumi, Mineo Kondo, Hiroko Terasaki, Yukihiko Mashima, Toru Nakazawa, Toshiaki Abe
Purpose: To evaluate the long-term protective effects of transscleral unoprostone (UNO) against retinal degeneration in transgenic (Tg) rabbits (Pro347Leu rhodopsin mutation). Methods: The UNO release devices (URDs) were implanted into the sclerae of Tg rabbits and ERG, optical coherence tomography (OCT), and ophthalmic examinations were conducted for 40 weeks. Unoprostone metabolites in retina, choroid/RPE, aqueous humor, and plasma from wild-type (Wt) rabbits were measured using liquid chromatography-tandem mass spectrometry...
December 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27918822/growth-differentiation-factor-15-induced-contractile-activity-and-extracellular-matrix-production-in-human-trabecular-meshwork-cells
#20
Arumugam Ramachandran Muralidharan, Rupalatha Maddala, Nikolai P Skiba, Ponugoti Vasantha Rao
Purpose: To determine the role and regulation of growth differentiation factor-15 (GDF-15), a TGF-β-related cytokine in human trabecular meshwork (TM) cells in the context of aqueous humor (AH) outflow and IOP. Methods: Regulation of expression by external cues, and the distribution and secretion of GDF-15 by human TM primary cell cultures, and the effects of recombinant (r) GDF-15 on TM cell contractile characteristics, actin cytoskeleton, cell adhesion, extracellular matrix (ECM), α-smooth muscle actin (αSMA), SMAD signaling, and gene expression were determined by immunoblot, immunofluorescence, mass spectrometry, cDNA microarray, and real-time quantitative PCR (RT-qPCR) analyses...
December 1, 2016: Investigative Ophthalmology & Visual Science
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