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https://www.readbyqxmd.com/read/28646725/eculizumab-decreases-the-procoagulant-activity-of-extracellular-vesicles-in-paroxysmal-nocturnal-hemoglobinuria-a-pilot-prospective-longitudinal-clinical-study
#1
Adeline Wannez, Bérangère Devalet, Céline Bouvy, Julie Laloy, Benoit Bihin, Bernard Chatelain, Christian Chatelain, Jean-Michel Dogné, François Mullier
INTRODUCTION: Paroxysmal nocturnal hemoglobinuria (PNH) is a disease characterized by the susceptibility of blood cells to attack by the complement system, inducing extracellular vesicle (EV) production. Thromboembolism is the leading cause of death in this condition. Eculizumab, a humanized monoclonal antibody which inhibits the C5 protein of the complement, reduces the thrombotic risk in PNH. MATERIALS AND METHOD: We conducted a pilot, prospective, open-label, longitudinal clinical study with six PNH patients treated with eculizumab...
June 9, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28646666/detection-of-mycobacterium-avium-subspecies-paratuberculosis-in-powdered-infant-formula-using-is900-quantitative-pcr-and-liquid-culture-media
#2
Kamal R Acharya, Navneet K Dhand, Richard J Whittington, Karren M Plain
Mycobacterium avium subspecies paratuberculosis (MAP) has been implicated in Crohn's disease in humans resulting in public concern over the presence of MAP in powdered infant formula, which could contribute towards early human exposure to MAP or MAP components. Testing of representative powdered infant formula samples using effective tests is required to provide information on contamination of infant formula with MAP, so that consumers can make informed decisions. This study aimed to test representative powdered infant formula samples for the presence of MAP using a quantitative PCR and liquid culture method...
June 8, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28643142/temporal-discounting-of-aversive-consequences-in-rats
#3
William Rodríguez, Arturo Bouzas, Vladimir Orduña
Previous research has extensively evaluated the impact of delay on the value of positive reinforcers, but the study of its impact on the value of aversive consequences is scarce. The present study employed a modification of Evenden and Ryan's procedure (1996, Psychopharmacology, 128(2), 161-170) to obtain data on temporal discounting of an aversive consequence, with rats as experimental subjects. In the first phase of the procedure, rats chose between one-pellet and four-pellet alternatives; when subjects developed preference for the larger-amount alternative, a shock was added to it, resulting in a loss of preference...
June 22, 2017: Learning & Behavior
https://www.readbyqxmd.com/read/28642784/novel-miscanthus-germplasm-based-value-chains-a-life-cycle-assessment
#4
Moritz Wagner, Andreas Kiesel, Astley Hastings, Yasir Iqbal, Iris Lewandowski
In recent years, considerable progress has been made in miscanthus research: improvement of management practices, breeding of new genotypes, especially for marginal conditions, and development of novel utilization options. The purpose of the current study was a holistic analysis of the environmental performance of such novel miscanthus-based value chains. In addition, the relevance of the analyzed environmental impact categories was assessed. A Life Cycle Assessment was conducted to analyse the environmental performance of the miscanthus-based value chains in 18 impact categories...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28640577/laser-ablation-molecular-isotopic-spectrometry-for-molecules-formation-chemistry-in-fs-laser-ablated-plasmas
#5
Huaming Hou, Xianglei Mao, Vassilia Zorba, Richard E Russo
Recently, laser ablated molecular isotopic spectrometry (LAMIS) has expanded its capability to explore molecules formation mechanism in laser induced plasma in addition to isotope analysis. LAMIS is powerful tool for tracking the origination of atoms that involved in formation of investigated molecules by labeling atoms with its isotopic substitution. The evolutionary formation pathways of organic molecules, especially of C2 dimers and CN radicals, were frequently reported. However, very little is known about the formation pathways for metallic radicals and heterodimers in laser ablated plasma...
June 22, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28639261/the-effects-of-ethanol-on-diverse-components-of-choice-in-the-rat-reward-discrimination-preference-and-relative-valuation
#6
Justin J McGraw, Luke C Zona, Howard C Cromwell
Alcohol consumption impairs judgment and choice. How alcohol alters these crucial processes is primarily unknown. Choice can be fractionated into different components including reward discrimination, preference and relative valuation that can function together or in isolation depending upon diverse factors including choice context. We examined the diverse components and contextual effects by analyzing the effects of alcohol drinking on choice behavior in a task with a reduced level of temporal and spatial constraints...
June 22, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28638139/platelet-releasates-promote-the-proliferation-of-hepatocellular-carcinoma-cells-by-suppressing-the-expression-of-klf6
#7
Ao-Di He, Wen Xie, Wei Song, Yuan-Yuan Ma, Gang Liu, Ming-Lu Liang, Xing-Wen Da, Guang-Qiang Yao, Bi-Xiang Zhang, Cun-Ji Gao, Ji-Zhou Xiang, Zhang-Yin Ming
Platelets in the primary tumor microenvironment play crucial roles in the regulation of tumor progression, but the mechanisms underlying are poorly understood. Here, we report that platelet releasates exerted a proliferative effect on hepatocellular carcinoma (HCC) cells both in vitro and in vivo. This effect depended on a reduction of KLF6 expression in HCC cells. After incubation with either platelets or platelet granule contents, SMMC.7721 and HepG2 cells exhibited significant increases in proliferation and decreases in apoptosis...
June 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28637908/rapid-filter-based-detection-and-culture-of-burkholderia-pseudomallei-from-small-volumes-of-urine
#8
Pierre A Michel, Christine Lascols, Jay E Gee, Linda M Weigel, David Sue
Clinical outcomes of melioidosis patients improve when the infecting agent, Burkholderia pseudomallei, is rapidly detected and identified by laboratory testing. Detection of B. pseudomallei DNA or recovery of the pathogen by culture from urine can support a diagnosis of melioidosis and guide patient care. Two new methods designated as Filter-Capture DNA Isolation (FCDI) and Filter Cellular Recovery (FCR) were developed to increase the sensitivity of detection and recovery of viable B. pseudomallei cells from small volumes (0...
June 21, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28637332/coarse-particle-inclusion-and-lignocellulose-rich-fiber-addition-in-feed-benefit-performance-and-health-of-broiler-chickens
#9
Sarbast K Kheravii, Robert A Swick, Mingan Choct, Shu-Biao Wu
Measures to improve gut health and nutrient digestibility have been sought due to in-feed antibiotics being phased out in poultry. The appropriate physical structure of feed ingredients and addition of dietary fiber may be beneficial in enhancing gut health in poultry. In this study, the effect of a lignocellulose-rich fiber source and corn particle size on broiler performance, gizzard development, nutrient digestibility, cecal microflora, and litter quality was evaluated. A total of 684 day-old male Ross 308 chicks were randomly allocated to 6 treatments with 6 replicate pens, each housing 19 birds...
June 15, 2017: Poultry Science
https://www.readbyqxmd.com/read/28637188/the-influence-of-whole-corn-feeding-method-during-the-finishing-stage-on-the-performance-of-overfed-mule-ducks
#10
J Arroyo, F Lavigne, L Fortun-Lamothe
The aim of this trial was to compare 2 feeding systems based on whole corn, a loose-mix and a free-choice feeding system, during the finishing stage on the performance of ducks. Five hundred sixteen day-old male mule ducks (Muscovy drake × Pekin duck) were divided into 3 groups that differed in the presentation of the diet they received between 58 and 88 d of age: a complete pelleted diet (Control (CON) group; AMEn 12.1 MJ/kg, CP 15.0%) containing 500 g of corn per kg; or whole corn (AMEn 13.9 MJ/kg, CP 7...
June 20, 2017: Poultry Science
https://www.readbyqxmd.com/read/28637045/effects-of-injection-of-gamma-aminobutyric-acid-agonists-into-the-nucleus-accumbens-on-naloxone-induced-morphine-withdrawal
#11
Betilay Topkara, Hasan R Yananli, Eren Sakallı, Mehluge Caferova
AIMS: This study was to investigate the effects of local administration of gamma-aminobutyric acid (GABA) agonists into the nucleus accumbens (NAc) on naloxone-induced morphine withdrawal symptoms. METHODS: Bilateral guide cannulas were stereotaxically implanted in the shell or core regions of the NAc of Sprague-Dawley rats. After a recovery period, 3 morphine pellets, each consisting of 75 mg morphine base, were placed subcutaneously on the first and third days of the study with the rats under mild ether anaesthesia...
June 22, 2017: Pharmacology
https://www.readbyqxmd.com/read/28636919/monitoring-quantitative-ultrasound-parameter-changes-in-a-cell-pellet-model-of-cell-starvation
#12
Lauren A Wirtzfeld, Elizabeth S L Berndl, Gregory J Czarnota, Michael C Kolios
Although it has previously been shown that the spectral analysis of ultrasound backscatter data is sensitive to the cellular changes caused by apoptosis, the sensitivity of spectral analysis to oncosis or ischemic cell death had not previously been studied. Whereas many anticancer treatments induce apoptosis, others induce cell starvation, or oncosis. HT-29 colon adenocarcinoma cells were formed into pellets and covered in phosphate-buffered saline at room temperature for 56 h. The pellets were imaged every 8 h with high-frequency (55 MHz) ultrasound and the raw radio-frequency data processed...
June 20, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/28633869/baccaurea-angulata-fruit-juice-ameliorates-altered-hematological-and-biochemical-biomarkers-in-diet-induced-hypercholesterolemic-rabbits
#13
Idris Adewale Ahmed, Maryam Abimbola Mikail, Muhammad Ibrahim
Hypercholesterolemia is an important risk factor linked to the alteration of blood hematology and clinical chemistry associated with the development and progression of atherosclerosis. Previous studies have demonstrated the safety and potential health benefits of Baccaurea angulata (BA) fruit. We hypothesized that the oral administration of BA fruit juice could ameliorate the alteration in the hematological and biochemical biomarkers of diet-induced hypercholesterolemic rabbits. The aim of this study was to investigate the effects of different doses of BA juice on the hematological and biochemical biomarkers in normo- and hypercholesterolemic rabbits...
June 2017: Nutrition Research
https://www.readbyqxmd.com/read/28633821/enhanced-production-of-hypocrellin-a-by-ultrasound-stimulation-in-submerged-cultures-of-shiraia-bambusicola
#14
Chun Xiao Sun, Yan Jun Ma, Jian Wen Wang
Hypocrellin A (HA), a naturally occurring fungal perylenequinone, is widely used in clinic to treat skin diseases and developed as a photodynamic therapy (PDT) agent against cancers. In this study, a low intensity ultrasound (US, 0.28W/cm(2) at 40kHz) was conducted thrice of repeated US exposure (5-min) with an interval of 12h to stimulate HA production of Shiraia bambusicola after 72h of the initial submerged cultures. US not only increased the content of HA by 177.2% in mycelia, but stimulated the release of HA into the medium with the highest total production of HA (247...
September 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28633690/early-solid-additional-feeding-of-suckling-rabbits-from-3-to-15-days-of-age
#15
L Kacsala, Zs Szendrő, Zs Gerencsér, I Radnai, M Kovács, R Kasza, I Nagy, M Odermatt, T Atkári, Zs Matics
Studies have shown that nutrient requirement of suckling kits is not satisfied, but they can be fed a double quantity of milk (double nursing) resulting in improved BW and weight gain. The aim of our trials was to give additional solid feed during the early suckling period (3 to 15 days of age) when rabbit kits drink exclusively milk. Two experiments were conducted with animals from Pannon Rabbit Breeding Program. In experiment 1 (n=77 does, 734 kits) the does received commercial feed (C) or C pellet supplemented with 0...
June 21, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28632187/complex-coacervation-of-soy-proteins-isoflavones-and-chitosan
#16
Yu-Hsuan Hsiao, Sheng-Yang Hsia, Yin-Ching Chan, Jung-Feng Hsieh
In this study, the chitosan-induced coacervation of soy protein-isoflavone complexes in soymilk was investigated. Most of the soymilk proteins, including β-conglycinin (7S), glycinin (11S), and isoflavones, were found to coacervate into the soymilk pellet fraction (SPF) following the addition of 0.5% chitosan. The total protein in the soymilk supernatant fraction (SSF) decreased from 18.1 ± 0.3 mg/mL to 1.6 ± 0.1 mg/mL, and the pH values decreased slightly, from 6.6 ± 0.0 to 6.0 ± 0.0. The results of SDS-PAGE revealed that the 7S α', 7S α, 7S β, 11S A3, and 11S acidic subunits, as well as the 11S basic proteins in the SSF, decreased to 0...
June 20, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28630412/the-challenges-of-predicting-pesticide-exposure-of-honey-bees-at-landscape-level
#17
Noa Simon-Delso, Gilles San Martin, Etienne Bruneau, Christine Delcourt, Louis Hautier
To evaluate the risks of pesticides for pollinators, we must not only evaluate their toxicity but also understand how pollinators are exposed to these xenobiotics in the field. We focused on this last point and modeled honey bee exposure to pesticides at the landscape level. Pollen pellet samples (n = 60) from 40 Belgian apiaries were collected from late July to October 2011 and underwent palynological and pesticide residue analyses. Areas of various crops around each apiary were measured at 4 spatial scales...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28630031/response-to-david-s-article-on-the-use-of-pellet-guns-in-kashmir
#18
Ratna Magotra
I am distressed by the political inclination of the journal reflected in publishing the article by Siddarth David in a recent issue of Indian Journal of Medical Ethics. The journal has tried to redeem its image by publishing a counterview by Ravindra Ghooi. I feel more voices need to be heard on the utter unsuitability of David's comments on the use of pellet guns by security forces in Kashmir in a medical ethics journal.
June 13, 2017: Indian Journal of Medical Ethics
https://www.readbyqxmd.com/read/28627056/feed-intake-patterns-of-sport-ponies-and-warmblood-horses-following-iso-energetic-intake-of-pelleted-fibre-rich-mixed-feed-muesli-feed-and-semicrushed-oat-grains
#19
M Bochnia, M Boesel, L Bahrenthien, M Wensch-Dorendorf, A Zeyner
The aim of the study was to compare diverse feed intake patterns in sport ponies and warmblood-type horses after feeding iso-energetic amounts of three different concentrates: a pelleted fibre-rich mixed feed (PF), a muesli feed (MF) and semicrushed oat grains (OG). Four sport ponies and six warmblood-type horses received the concentrates and meadow hay according to maintenance (0.52 MJ metabolizable energy (ME) kg body weight (BW)(0.75) /day). Both breeds were allocated at random to three groups and received once daily for 8 days either OG (1 g starch/kg BW/meal) or iso-energetic quantities of PF and MF according to a crossover design...
June 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28625612/enhanced-production-of-natural-yellow-pigments-from-monascus-purpureus-by-liquid-culture-the-relationship-between-fermentation-conditions-and-mycelial-morphology
#20
Jun Lv, Bo-Bo Zhang, Xiao-Dong Liu, Chan Zhang, Lei Chen, Gan-Rong Xu, Peter Chi Keung Cheung
Natural yellow pigments produced by submerged fermentation of Monascus purpureus have potential economic value and application in the food industry. In the present study, the relationships among fermentation conditions (in terms of pH and shaking/agitation speed), mycelial morphology and the production of Monascus yellow pigments were investigated in both shake-flask and scale-up bioreactor experiments. In the shake-flask fermentation, the highest yield of the Monascus yellow pigments was obtained at pH 5.0 and a shaking speed of 180 rpm...
June 15, 2017: Journal of Bioscience and Bioengineering
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