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https://www.readbyqxmd.com/read/27926855/temporally-programmed-cd8%C3%AE-dc-activation-enhances-combination-cancer-immunotherapy
#1
Alice Tzeng, Monique J Kauke, Eric F Zhu, Kelly D Moynihan, Cary F Opel, Nicole J Yang, Naveen Mehta, Ryan L Kelly, Gregory L Szeto, Willem W Overwijk, Darrell J Irvine, K Dane Wittrup
Numerous synergistic cancer immunotherapy combinations have been identified, but the effects of relative dose timing are rarely considered. In established syngeneic mouse tumor models, we found that staggering interferon-α (IFNα) administration after, rather than before or simultaneously with, serum-persistent interleukin-2 (IL-2) and tumor-specific antibody significantly increased long-term survival. Successful combination therapy required IFNα-induced activation of cross-presenting CD8α(+) dendritic cells (DCs) following the release of antigenic tumor debris by the IL-2- and antibody-mediated immune response...
December 6, 2016: Cell Reports
https://www.readbyqxmd.com/read/27923577/particulate-organic-matter-in-rivers-of-fukushima-an-unexpected-carrier-phase-for-radiocesiums
#2
Maud Naulier, Frédérique Eyrolle-Boyer, Patrick Boyer, Jean-Michel Métivier, Yuichi Onda
The role of particulate organic matter in radiocesium transfers from soils to rivers was investigated in areas contaminated by the Fukushima Daiichi Nuclear Power Plant accident. Suspended and deposited sediments, filtered water, macro organic debris and dead leaves were sampled along the six most contaminated coastal river catchments of the Fukushima prefecture in the early autumns 2013 and 2014. Radiocesium concentrations of river samples and total organic carbon concentrations in suspended and deposited sediments were measured...
December 3, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27920852/inversion-of-excreted-intravenous-contrast-fluid-levels-in-the-urinary-bladder-on-computed-tomography
#3
Tiffany Chan, Brian McGillen, Kathryn McGillen
Fluid-fluid levels occur on computed tomography due to differences in density between the 2 fluids. For example, intravenous (IV) contrast excreted into the urinary bladder layers posterior with gravity in the supine patient with normal, unopacified urine layering anterior, due to their differing densities. The rare presence of inverted fluid-contrast levels in the bladder calls attention to the existence of pathology such as microscopic hematuria, infectious debris, glycosuria, and purulent fluid. In such instances, the hypodense, nonopacified urine is the abnormality and is often only recognized due to the excreted IV contrast "floating" on top of it within the bladder...
December 2016: Radiology case reports
https://www.readbyqxmd.com/read/27920596/two-new-mite-species-of-the-genus-zygoseius-berlese-from-mexico-acari-mesostigmata
#4
Ali Ahadiyat, Frédéric Beaulieu
Two new species of mites of the genus Zygoseius Berlese, Zygoseius papaversp. n. and Zygoseius lindquistisp. n., collected from moss and flood debris, respectively, in a creek in Chiapas State, Mexico, are described herein.
2016: ZooKeys
https://www.readbyqxmd.com/read/27917509/effect-of-solvents-on-apically-extruded-debris-and-irrigant-during-root-canal-retreatment-using-reciprocating-instruments
#5
C Keskin, E Sariyilmaz, O Sariyilmaz
AIM: To evaluate the effect of several solvents on the weight of apically extruded debris and irrigant during retreatment using a novel agar gel model. METHODS: Orange oil, turpentine oil and chloroform were used as solvents. Eighty single straight rooted extracted human mandibular premolar teeth with a single root canal were divided into four groups (n=20). All specimens were root canal filled and weighed prior to their insertion I a prepared 1.5% agar gel model...
December 5, 2016: International Endodontic Journal
https://www.readbyqxmd.com/read/27914860/microplastics-ingestion-by-a-common-tropical-freshwater-fishing-resource
#6
Jacqueline Santos Silva-Cavalcanti, José Diego B Silva, Elton José de França, Maria Christina Barbosa de Araújo, Felipe Gusmão
Microplastics pollution is widespread in marine ecosystems and a major threat to biodiversity. Nevertheless, our knowledge of the impacts of microplastics in freshwater environments and biota is still very limited. The interaction of microplastics with freshwater organisms and the risks associated with the human consumption of organisms that ingested microplastics remain major knowledge gaps. In this study, we assessed the ingestion of microplastics by Hoplosternum littorale, a common freshwater fish heavily consumed by humans in semi-arid regions of South America...
November 30, 2016: Environmental Pollution
https://www.readbyqxmd.com/read/27913017/marine-anthropogenic-litter-on-british-beaches-a-10-year-nationwide-assessment-using-citizen-science-data
#7
S E Nelms, C Coombes, L C Foster, T S Galloway, B J Godley, P K Lindeque, M J Witt
Growing evidence suggests that anthropogenic litter, particularly plastic, represents a highly pervasive and persistent threat to global marine ecosystems. Multinational research is progressing to characterise its sources, distribution and abundance so that interventions aimed at reducing future inputs and clearing extant litter can be developed. Citizen science projects, whereby members of the public gather information, offer a low-cost method of collecting large volumes of data with considerable temporal and spatial coverage...
November 29, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27912918/the-use-of-potassium-hydroxide-koh-solution-as-a-suitable-approach-to-isolate-plastics-ingested-by-marine-organisms
#8
Susanne Kühn, Bernike van Werven, Albert van Oyen, André Meijboom, Elisa L Bravo Rebolledo, Jan A van Franeker
In studies of plastic ingestion by marine wildlife, visual separation of plastic particles from gastrointestinal tracts or their dietary content can be challenging. Earlier studies have used solutions to dissolve organic materials leaving synthetic particles unaffected. However, insufficient tests have been conducted to ensure that different categories of consumer products partly degraded in the environment and/or in gastrointestinal tracts were not affected. In this study 63 synthetic materials and 11 other dietary items and non-plastic marine debris were tested...
November 29, 2016: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/27911456/mid-term-results-of-recap-magnum-taperloc-metal-on-metal-total-hip-arthroplasty-with-mean-follow-up-of-7-1-years
#9
Antonios A Koutalos, Aristotelis Kourtis, Ian C Clarke, Evert J Smith
INTRODUCTION: Despite enthusiasm for metal-on-metal bearings, disappointing short- to mid-term outcomes has all but halted the use of this bearing articulation. This review presents mid-term results for the ReCap Magnum total hip replacement. PATIENTS AND METHODS: This prospective study evaluated 79 ReCap/Magnum/Taperloc total hip replacements with mean follow-up of 7.1 (range 3.7-9.2) years. 43 were female and 36 male. Metal ions were measured and radiographic measurement included a 'margin of safety' angle to quantify risk of edge loading...
December 2, 2016: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/27910632/recent-advances-and-results-from-the-solid-radiochemistry-nuclear-diagnostic-at-the-national-ignition-facility
#10
N Gharibyan, D A Shaughnessy, K J Moody, P M Grant, J D Despotopulos, S A Faye, D R Jedlovec, C B Yeamans
The solid debris collection capability at the National Ignition Facility has been expanded to include a third line-of-sight assembly. The solid radiochemistry nuclear diagnostic measurement of the ratio of gold isotopes is dependent on the efficient collection of neutron-activated hohlraum debris by passive metal disks. The collection of target debris at this new location is more reliable in comparison to the historic locations, and it appears to be independent of collector surface ablation.
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27909353/gas-phase-detection-of-solid-state-fission-product-complexes-for-post-detonation-nuclear-forensic-analysis
#11
S Adam Stratz, Steven A Jones, Colton J Oldham, Austin D Mullen, Ashlyn V Jones, John D Auxier, Howard L Hall
This study presents the first known detection of fission products commonly found in post-detonation nuclear debris samples using solid sample introduction and a uniquely coupled gas chromatography inductively-coupled plasma time-of-flight mass spectrometer. Rare earth oxides were chemically altered to incorporate a ligand that enhances the volatility of the samples. These samples were injected (as solids) into the aforementioned instrument and detected for the first time. Repeatable results indicate the validity of the methodology, and this capability, when refined, will prove to be a valuable asset for rapid post-detonation nuclear forensic analysis...
2016: Journal of Radioanalytical and Nuclear Chemistry
https://www.readbyqxmd.com/read/27909129/metallosis-following-implantation-of-magnetically-controlled-growing-rods-in-the-treatment-of-scoliosis-a-case-series
#12
K H Teoh, C von Ruhland, S L Evans, S H James, A Jones, J Howes, P R Davies, S Ahuja
AIMS: We present a case series of five patients who had revision surgery following magnetic controlled growing rods (MGCR) for early onset scoliosis. Metallosis was found during revision in four out of five patients and we postulated a mechanism for rod failure based on retrieval analysis. PATIENTS AND METHODS: Retrieval analysis was performed on the seven explanted rods. The mean duration of MCGR from implantation to revision was 35 months (17 to 46). The mean age at revision was 12 years (7 to 15; four boys, one girl)...
December 2016: Bone & Joint Journal
https://www.readbyqxmd.com/read/27908670/proteome-of-the-rete-testis-fluid-from-tropically-adapted-morada-nova-rams
#13
Mauricio Fraga van Tilburg, Solange Damasceno Sousa, Révila Bianca Ferreira de Melo, Frederico B Moreno, Ana Cristina Monteiro-Moreira, Renato A Moreira, Arlindo de Alencar Moura
The rete testis has a close relationship with sperm development and may have other functions besides serving as an intercalated channel. The aim of this study was to identify and characterize the proteins of rete testis fluid (RTF) from tropically-adapted Morada Nova rams. Testicles obtained from six Morada Nova rams were dissected and the head of the epididymis was separated to access the efferent ducts. Rete testis fluid was obtained by gentle massage of the testis. The fluid was centrifuged to remove cell debris and sperm...
November 22, 2016: Animal Reproduction Science
https://www.readbyqxmd.com/read/27905990/oral-dental-items-in-the-resident-assessment-instrument-minimum-data-set-2-0-lack-validity-results-of-a-retrospective-longitudinal-validation-study
#14
Matthias Hoben, Jeffrey W Poss, Peter G Norton, Carole A Estabrooks
BACKGROUND: Oral health in nursing home residents is poor. Robust, mandated assessment tools such as the Resident Assessment Instrument - Minimum Data Set (RAI-MDS) 2.0 are key to monitoring and improving quality of oral health care in nursing homes. However, psychometric properties of RAI-MDS 2.0 oral/dental items have been challenged and criterion validity of these items has never been assessed. METHODS: We used 73,829 RAI-MDS 2.0 records (13,118 residents), collected in a stratified random sample of 30 urban nursing homes in Western Canada (2007-2012)...
October 21, 2016: Population Health Metrics
https://www.readbyqxmd.com/read/27904472/clearing-the-corpses-regulatory-mechanisms-novel-tools-and-therapeutic-potential-of-harnessing-microglial-phagocytosis-in-the-diseased-brain
#15
REVIEW
Irune Diaz-Aparicio, Sol Beccari, Oihane Abiega, Amanda Sierra
Apoptosis is a widespread phenomenon that occurs in the brain in both physiological and pathological conditions. Dead cells must be quickly removed to avoid the further toxic effects they exert in the parenchyma, a process executed by microglia, the brain professional phagocytes. Although phagocytosis is critical to maintain tissue homeostasis, it has long been either overlooked or indirectly assessed based on microglial morphology, expression of classical activation markers, or engulfment of artificial phagocytic targets in vitro...
October 2016: Neural Regeneration Research
https://www.readbyqxmd.com/read/27903539/outcome-implication-of-aortic-valve-area-normalized-to-body-size-in-asymptomatic-aortic-stenosis
#16
Christophe Tribouilloy, Yohann Bohbot, Sylvestre Maréchaux, Nicolas Debry, Quentin Delpierre, Marcel Peltier, Momar Diouf, Michel Slama, David Messika-Zeitoun, Dan Rusinaru
BACKGROUND: Current guidelines define severe aortic stenosis in patients with aortic valve area normalized to body surface area (AVA/BSA) <0.6 cm(2)/m(2); yet, this cutoff has never been validated. Moreover, it is not known whether AVA normalization to other body size indexes allows improved outcome prediction. We aim to test the value of AVA normalized to body size for outcome prediction in asymptomatic aortic stenosis. METHODS AND RESULTS: We included 289 patients with asymptomatic aortic stenosis, preserved ejection fraction, and AVA<1...
November 2016: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/27902731/queen-nefertari-the-royal-spouse-of-pharaoh-ramses-ii-a-multidisciplinary-investigation-of-the-mummified-remains-found-in-her-tomb-qv66
#17
Michael E Habicht, Raffaella Bianucci, Stephen A Buckley, Joann Fletcher, Abigail S Bouwman, Lena M Öhrström, Roger Seiler, Francesco M Galassi, Irka Hajdas, Eleni Vassilika, Thomas Böni, Maciej Henneberg, Frank J Rühli
Queen Nefertari, the favourite Royal Consort of Pharaoh Ramses II (Ancient Egypt, New Kingdom, 19th Dynasty c. 1250 BC) is famous for her beautifully decorated tomb in the Valley of the Queens. Her burial was plundered in ancient times yet still many objects were found broken in the debris when the tomb was excavated. Amongst the found objects was a pair of mummified legs. They came to the Egyptian Museum in Turin and are henceforth regarded as the remains of this famous Queen, although they were never scientifically investigated...
2016: PloS One
https://www.readbyqxmd.com/read/27901623/autotransplantation-of-spleen-mitigates-drug-induced-liver-damage-in-splenectomized-mice
#18
Sabrine Teixeira Ferraz Grunewald, Alice Belleigoli Rezende, Bárbara Bruna Muniz Figueiredo, Ana Carolina de Paula Mendonça, Caroline de Souza Almeida, Erick Esteves de Oliveira, Flávia de Paoli, Henrique Couto Teixeira
PURPOSE: The spleen presents numerous functions, including the production of immunoglobulins and blood filtration, removing microorganisms and cellular debris. The spleen also has anatomical and functional relationship with the liver, but there are few studies on this topic. The aim of this study was to assess the effect of splenectomy and autologous spleen transplantation on both filtering functions of spleen and acetaminophen-induced hepatotoxicity. MATERIALS AND METHODS: Fifty-two BALB/c mice were randomized into four groups: splenectomized; splenectomy and splenic autotransplantation in the greater omentum; sham operated control; and non-operated control...
November 30, 2016: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/27901234/air-powder-polishing-on-self-ligating-brackets-after-clinical-use-effects-on-debris-levels
#19
Mônica L S Castro Aragón, Leandro Santiago Lima, David Normando
Introduction: Debris buildup on brackets and arch surfaces is one of the main factors that can influence the intensity of friction between bracket and orthodontic wire. Objective: This study sought to evaluate the effect of air-powder polishing cleaning on debris levels of self-ligating ceramic brackets at the end of orthodontic treatment, compared to the behavior of conventional brackets. Methods: Debris levels were evaluated in metal conventional orthodontic brackets (n = 42) and ceramic self-ligating brackets (n = 42) on canines and premolars, arranged in pairs...
September 2016: Dental Press Journal of Orthodontics
https://www.readbyqxmd.com/read/27901131/porous-silicon-based-biosensors-towards-real-time-optical-detection-of-target-bacteria-in-the-food-industry
#20
Naama Massad-Ivanir, Giorgi Shtenberg, Nitzan Raz, Christel Gazenbeek, Dries Budding, Martine P Bos, Ester Segal
Rapid detection of target bacteria is crucial to provide a safe food supply and to prevent foodborne diseases. Herein, we present an optical biosensor for identification and quantification of Escherichia coli (E. coli, used as a model indicator bacteria species) in complex food industry process water. The biosensor is based on a nanostructured, oxidized porous silicon (PSi) thin film which is functionalized with specific antibodies against E. coli. The biosensors were exposed to water samples collected directly from process lines of fresh-cut produce and their reflectivity spectra were collected in real time...
November 30, 2016: Scientific Reports
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