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https://www.readbyqxmd.com/read/27932058/tnap-stimulates-vascular-smooth-muscle-cell-trans-differentiation-into-chondrocytes-through-calcium-deposition-and-bmp-2-activation-possible-implication-in-atherosclerotic-plaque-stability
#1
Maya Fakhry, Monika Roszkowska, Anne Briolay, Carole Bougault, Alain Guignandon, Juan Ignacio Diaz-Hernandez, Miguel Diaz-Hernandez, Slawomir Pikula, René Buchet, Eva Hamade, Bassam Badran, Laurence Bessueille, David Magne
Atherosclerotic plaque calcification varies from early, diffuse microcalcifications to a bone-like tissue formed by endochondral ossification. Recently, a paradigm has emerged suggesting that if the bone metaplasia stabilizes the plaques, microcalcifications are harmful. Tissue-nonspecific alkaline phosphatase (TNAP), an ectoenzyme necessary for mineralization by its ability to hydrolyze inorganic pyrophosphate (PPi), is stimulated by inflammation in vascular smooth muscle cells (VSMCs). Our objective was to determine the role of TNAP in trans-differentiation of VSMCs and calcification...
December 5, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27931314/developing-a-performance-standard-for-adequate-sanitization-of-wire-bar-lids
#2
Linna E Srn, Louise K Hammarberg, Robin J Kastenmayer, Liselotte C Hallengren
The wire-bar lids on rodent cages are an integral part of the microenvironment and as such can impact rodent health and wellbeing. The Guide for the Care and Use of Laboratory Animals recommends changing wire-bar lids every other week but does not include a predetermined performance standard. To develop a sanitization performance standard, we evaluated the bacterial and other cellular burden of wire-bar lids over 4 wk. The results show no significant difference in ATP or bacterial burden over 3 wk of continuous use in conventional cages with standard rodent pelleted or high-fat diet or in IVC with an irradiated diet...
November 2016: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/27931263/extracellular-matrix-components-and-culture-regimen-selectively-regulate-cartilage-formation-by-self-assembling-human-mesenchymal-stem-cells-in-vitro-and-in-vivo
#3
Johnathan Ng, Yiyong Wei, Bin Zhou, Aonnicha Burapachaisri, Edward Guo, Gordana Vunjak-Novakovic
BACKGROUND: Cartilage formation from self-assembling mesenchymal stem cells (MSCs) in vitro recapitulate important cellular events during mesenchymal condensation that precedes native cartilage development. The goal of this study was to investigate the effects of cartilaginous extracellular matrix (ECM) components and culture regimen on cartilage formation by self-assembling human MSCs in vitro and in vivo. METHODS: Human bone marrow-derived MSCs (hMSCs) were seeded and compacted in 6...
December 9, 2016: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/27929701/effect-of-serum-and-platelet-rich-plasma-on-human-early-or-advanced-degenerative-meniscus-cells
#4
Undine Freymann, Lucia Degrassi, Jan Philipp Krüger, Sebastian Metzlaff, Michaela Endres, Wolf Petersen
PURPOSE: The purpose of this in vitro study was to evaluate the migratory, proliferating & extracellular matrix (ECM) forming effect of human serum (HS) and platelet-rich plasma (PRP) on meniscus cells derived from human knees with early or advanced degenerative changes. MATERIALS AND METHODS: Medial menisci from knees with early degenerative changes (n=5; mean Kellgren score of 1) undergoing arthroscopic meniscal surgery and advanced degenerative changes (n=5; mean Kellgren score of 4) undergoing total knee replacement were collected...
December 8, 2016: Connective Tissue Research
https://www.readbyqxmd.com/read/27928777/clinical-and-mutational-characterizations-of-ten-indian-patients-with-beta-ketothiolase-deficiency
#5
Elsayed Abdelkreem, Radha Rama Devi Akella, Usha Dave, Sudhir Sane, Hiroki Otsuka, Hideo Sasai, Yuka Aoyama, Mina Nakama, Hidenori Ohnishi, Shaimaa Mahmoud, Mohamed Abd El Aal, Toshiyuki Fukao
Beta-ketothiolase deficiency (mitochondrial acetoacetyl-CoA thiolase (T2) deficiency) is an inherited disease of isoleucine catabolism and ketone body utilization caused by ACAT1 mutations. We identified ten Indian patients who manifested with ketoacidotic episodes of variable severity. The patients showed increased urinary excretion of isoleucine-catabolic intermediates: 2-methyl-3-hydroxybutyrate, 2-methylacetoacetate, and tiglylglycine. Six patients had a favorable outcome, one died, and three developed neurodevelopmental sequela...
December 8, 2016: JIMD Reports
https://www.readbyqxmd.com/read/27927285/in%C3%A2-vitro-effects-of-dental-cements-on-hard-and-soft-tissues-associated-with-dental-implants
#6
Lucas C Rodriguez, Juliana N Saba, Kwok-Hung Chung, Chandur Wadhwani, Danieli C Rodrigues
STATEMENT OF PROBLEM: Dental cements for cement-retained restorations are often chosen based on clinician preference for the product's material properties, mixing process, delivery mechanism, or viscosity. The composition of dental cement may play a significant role in the proliferation or inhibition of different bacterial strains associated with periimplant disease, and the effect of dental cements on host cellular proliferation may provide further insight into appropriate cement material selection...
December 4, 2016: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/27927263/effect-of-concentrate-feeding-sequence-on-equine-hindgut-fermentation-parameters
#7
S Sadet-Bourgeteau, C Philippeau, V Julliand
Feeding a diet with a small amount of hay and a high proportion of concentrate given in large meals entails a risk of colic to horses as this can impact the hindgut microbial ecosystem. To counteract this potential negative effect, one feeding strategy is to modify the distribution sequence of concentrate and hay. The purpose of the present study was to assess the impact of feeding the concentrate meal before or with the hay meal on fermentative parameters postprandial variations in caecum and right ventral colon contents and faeces...
December 8, 2016: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/27923709/digesta-retention-patterns-in-geese-anser-anser-and-turkeys-meleagris-gallopavo-and-deduced-function-of-avian-caeca
#8
Samuel Frei, Sylvia Ortmann, Michael Kreuzer, Jean-Michel Hatt, Marcus Clauss
Although it is well-known that retrograde transport of urine fills the caeca of birds with fluid and small particles, the function of avian caeca is still not fully understood. We measured mean retention times (MRT) of solute (cobalt-EDTA, Co), small particle (<2mm, chromium-mordanted fibre, Cr) and large particle (8mm, cerium-marked fibre, Ce) markers in geese (Anser anser) and turkeys (Meleagris gallopavo) fed alfalfa pellets ad libitum. Intake did not differ between species. Turkeys had longer MRT for all markers (Co: 10...
December 3, 2016: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
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
#9
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/27919563/waste-management-in-the-meat-processing-industry-conversion-of-paunch-and-daf-sludge-into-solid-fuel
#10
Ihsan Hamawand, Pam Pittaway, Larry Lewis, Sayan Chakrabarty, Justin Caldwell, Jochen Eberhard, Arpita Chakraborty
This article addresses the novel dewatering process of immersion-frying of paunch and dissolved air flotation (DAF) sludge to produce high energy pellets. Literature have been analysed to address the feasibility of replacing conventional boiler fuel at meat processing facilities with high energy paunch-DAF sludge pellets (capsules). The value proposition of pelleting and frying this mixture into energy pellets is based on a Cost-Benefit Analysis (CBA). The CBA is based on information derived from the literature and consultation with the Australian Meat Processing Industry...
December 2, 2016: Waste Management
https://www.readbyqxmd.com/read/27919254/anti-inflammatory-and-in-vitro-antibacterial-activities-of-traditional-chinese-medicine-formula-qingdaisan
#11
Xinghua Zhao, Xin He, Xiuhui Zhong
BACKGROUND: Qingdaisan (Formulated Indigo powder, QDS) are widely used for treatment of aphtha, sore throat and bleeding gums in China. The aim of the study is to evaluate the anti-inflammatory, antibacterial and dental ulcer therapeutic effects of QDS. METHODS: Dimethylbenzene-induced ear edema test and cotton pellet-induced granuloma test were used to evaluate anti-inflammatory activities of QDS on acute and chronic inflammatory. The healing time and local pathologic changes were used to assess the therapeutic effects of QDS on dental ulcer...
December 5, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27919219/ston-exploring-biological-pathways-using-the-sbgn-standard-and-graph-databases
#12
Vasundra Touré, Alexander Mazein, Dagmar Waltemath, Irina Balaur, Mansoor Saqi, Ron Henkel, Johann Pellet, Charles Auffray
BACKGROUND: When modeling in Systems Biology and Systems Medicine, the data is often extensive, complex and heterogeneous. Graphs are a natural way of representing biological networks. Graph databases enable efficient storage and processing of the encoded biological relationships. They furthermore support queries on the structure of biological networks. RESULTS: We present the Java-based framework STON (SBGN TO Neo4j). STON imports and translates metabolic, signalling and gene regulatory pathways represented in the Systems Biology Graphical Notation into a graph-oriented format compatible with the Neo4j graph database...
December 5, 2016: BMC Bioinformatics
https://www.readbyqxmd.com/read/27918280/lateral-not-medial-prefrontal-cortex-contributes-to-punishment-and-aversive-instrumental-learning
#13
Philip Jean-Richard-Dit-Bressel, Gavan P McNally
Aversive outcomes punish behaviors that cause their occurrence. The prefrontal cortex (PFC) has been implicated in punishment learning and behavior, although the exact roles for different PFC regions in instrumental aversive learning and decision-making remain poorly understood. Here, we assessed the role of the orbitofrontal (OFC), rostral agranular insular (RAIC), prelimbic (PL), and infralimbic (IL) cortex in instrumental aversive learning and decision-making. Rats that pressed two individually presented levers for pellet rewards rapidly suppressed responding to one lever if it also caused mild punishment (punished lever) but continued pressing the other lever that did not cause punishment (unpunished lever)...
November 2016: Learning & Memory
https://www.readbyqxmd.com/read/27917301/separation-of-bacteria-protozoa-and-carbon-nanotubes-by-density-gradient-centrifugation
#14
Monika Mortimer, Elijah J Petersen, Bruce A Buchholz, Patricia A Holden
Sustainable production and use of carbon nanotube (CNT)-enabled materials require efficient assessment of CNT environmental hazards, including the potential for CNT bioaccumulation and biomagnification in environmental receptors. Microbes, as abundant organisms responsible for nutrient cycling in soil and water, are important ecological receptors for studying the effects of CNTs. Quantification of CNT association with microbial cells requires efficient separation of CNT-associated cells from individually dispersed CNTs and CNT agglomerates...
2016: Nanomaterials
https://www.readbyqxmd.com/read/27917177/progress-on-optimizing-miscanthus-biomass-production-for-the-european-bioeconomy-results-of-the-eu-fp7-project-optimisc
#15
Iris Lewandowski, John Clifton-Brown, Luisa M Trindade, Gerard C van der Linden, Kai-Uwe Schwarz, Karl Müller-Sämann, Alexander Anisimov, C-L Chen, Oene Dolstra, Iain S Donnison, Kerrie Farrar, Simon Fonteyne, Graham Harding, Astley Hastings, Laurie M Huxley, Yasir Iqbal, Nikolay Khokhlov, Andreas Kiesel, Peter Lootens, Heike Meyer, Michal Mos, Hilde Muylle, Chris Nunn, Mensure Özgüven, Isabel Roldán-Ruiz, Heinrich Schüle, Ivan Tarakanov, Tim van der Weijde, Moritz Wagner, Qingguo Xi, Olena Kalinina
This paper describes the complete findings of the EU-funded research project OPTIMISC, which investigated methods to optimize the production and use of miscanthus biomass. Miscanthus bioenergy and bioproduct chains were investigated by trialing 15 diverse germplasm types in a range of climatic and soil environments across central Europe, Ukraine, Russia, and China. The abiotic stress tolerances of a wider panel of 100 germplasm types to drought, salinity, and low temperatures were measured in the laboratory and a field trial in Belgium...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27915582/lc-ms-ms-methods-for-sulfadimethoxine-and-ormetoprim-analysis-in-feed-and-fish-fillet-and-a-leaching-study-for-feed-after-alternative-procedures-for-drugs-incorporation
#16
Ana Paula Fais, Rodolfo Scarpino Barboza Franco, Agnaldo Fernando Baldo da Silva, Osvaldo de Freitas, Jonas Augusto Rizzato Paschoal
This paper describes the method development for sulfadimethoxine (SDM) and ormetoprim (OMP) quantitation in fish feed and fish fillet employing LC-MS/MS. In order to assess the reliability of the analytical method, valuation was undertaken as recommended by guidelines proposed by the Brazilian Ministry of Agriculture. The calibration curve for quantification of both drugs in feed showed adequate linearity (r > 0.99), precision (CV < 12%) and trueness ranging from 97 to 100%. The method for the determination of SDM and OMP residues in fish fillet involving a simple sample preparation procedure which had adequate linearity (r > 0...
December 5, 2016: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/27915006/predicting-optimal-wet-granulation-parameters-for-extrusion-spheronisation-of-pharmaceutical-pellets-using-a-mixer-torque-rheometer
#17
Manuel Kuhs, John Moore, Gayathri Kollamaram, Gavin Walker, Denise Croker
Mixer torque rheometry (MTR) was evaluated as a pre-production (pre-formulation and optimization) tool for predicting ideal liquid-to-solid ratios (L/S) for extrusion-spheronisation of a wide range of APIs using 10g formulations. APIs of low, medium and high solubility were formulated at low and high loadings (15 and 40% w/w, respectively) with PVP as binder (5%) and MCC as the major excipient. L/S corresponding to the maximum torque produced during wet massing in the MTR, L/S(maxT), was 0.8 for the low solubility APIs, which decreased to 0...
November 30, 2016: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/27914252/synthesis-of-copper-containing-bioactive-glass-nanoparticles-using-a-modified-st%C3%A3-ber-method-for-biomedical-applications
#18
Kai Zheng, Xinyi Dai, Miao Lu, Norbert Hüser, Nicola Taccardi, Aldo R Boccaccini
Copper (Cu)-containing bioactive glasses (BGs) are attracting attention for bone regeneration and wound healing since they have bone-bonding capability and potential osteogenesis and angiogenesis properties. In this study, highly dispersed and spherical Cu-containing bioactive glass nanoparticles (Cu-BGNs) were successfully synthesized via a modified Stöber method. The content of incorporated Cu in the particles could be tailored by adjusting the amount of the added Cu precursor, a procedure that had no significant effects on the morphological and structural characteristics of the nanoparticles...
November 15, 2016: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/27910908/larval-diet-affects-mosquito-development-and-permissiveness-to-plasmodium-infection
#19
Inbar Linenberg, George K Christophides, Mathilde Gendrin
The larval stages of malaria vector mosquitoes develop in water pools, feeding mostly on microorganisms and environmental detritus. Richness in the nutrient supply to larvae influences the development and metabolism of larvae and adults. Here, we investigated the effects of larval diet on the development, microbiota content and permissiveness to Plasmodium of Anopheles coluzzii. We tested three fish diets often used to rear mosquitoes in the laboratory, including two pelleted diets, Dr. Clarke's Pool Pellets and Nishikoi Fish Pellets, and one flaked diet, Tetramin Fish-Flakes...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27910421/development-of-a-new-tracer-encapsulated-solid-pellet-injection-system-for-more-precise-control-of-tracer-impurity-deposit-location-in-lhd
#20
N Tamura, M Shoji, C Suzuki, H Funaba, H Hayashi, H Maeno, M Yokota, H Ogawa, S Sudo
A new tracer-encapsulated solid pellet (TESPEL) injection system has been developed additionally for the LHD heliotron. This system has three-dimensionally bended guide tubes, which allows us to inject the TESPEL obliquely on a poloidal cross-section of the LHD plasma. Consequently, this system enables us to control a tracer-impurity-deposited location more precisely. Moreover, this system can make it possible for the tracer impurity to be deposited even only inside the ergodic region (outside a last closed flux surface of the LHD plasma)...
November 2016: Review of Scientific Instruments
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