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https://www.readbyqxmd.com/read/27914450/mechanisms-of-inflammatory-injury-of-renal-tubular-cells-in-a-cellular-model-of-pyelonephritis
#1
M A Morosanova, E Y Plotnikov, L D Zorova, I B Pevzner, V A Popkov, D N Silachev, S S Jankauskas, V A Babenko, D B Zorov
Previously, we have assembled a cellular model of pyelonephritis which contains a primary culture of renal tubular epithelial cells, mononuclear leukocytes, and bacterial lysate or lipopolysaccharide. After cocultivation of renal cells with leukocytes and bacterial lysate, proinflammatory changes were observed in the renal cells, followed by nitrosative and oxidative stress and cell death. The interaction of bacterial antigens not only with leukocytes, but also with epithelial cells of the renal tubules, was partially mediated by signaling pathways involving Toll-like receptors (TLR2 and TLR4)...
November 2016: Biochemistry. Biokhimii︠a︡
https://www.readbyqxmd.com/read/27914036/prolactin-regulatory-element-binding-protein-is-involved-in-suppression-of-the-adiponectin-gene-in-vivo
#2
X Z Zhang, H Imachi, J Y Lyu, K Fukunaga, S Sato, T Ibata, T Kobayashi, T Yoshimoto, F Kikuchi, T Dong, K Murao
PURPOSE: Prolactin regulatory element-binding protein (PREB), a member of the WD-repeat protein family, has been recognized as a transcriptional factor that regulates prolactin promoter activity in the anterior pituitary of rats. PREB is expressed not only in the pituitary but also in various other tissues, including the adipose tissue. Previous studies have shown that PREB acts as a transcriptional regulator and suppresses the expression of the adiponectin gene in cultured 3T3L1 preadipocytes...
December 2, 2016: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/27913887/transcriptomics-analysis-of-hulless-barley-during-grain-development-with-a-focus-on-starch-biosynthesis
#3
Yawei Tang, Xingquan Zeng, Yulin Wang, Lijun Bai, Qijun Xu, Zexiu Wei, Hongjun Yuan, Tashi Nyima
Hulless barley, with its unique nutritional value and potential health benefits, has increasingly attracted attentions in recent years. However, the transcription dynamics during hulless barley grain development is not well understood. In the present study, we investigated the transcriptome changes during barley grain development using Illumina paired-end RNA-sequencing. Two datasets of the developing grain transcriptomes from two barley landraces with the differential seed starch synthesis traits were generated, and comparative transcriptome approach in both genotypes was performed...
December 2, 2016: Functional & Integrative Genomics
https://www.readbyqxmd.com/read/27911947/the-yersinia-pestis-effector-yopm-inhibits-pyrin-inflammasome-activation
#4
Dmitry Ratner, M Pontus A Orning, Megan K Proulx, Donghai Wang, Mikhail A Gavrilin, Mark D Wewers, Emad S Alnemri, Peter F Johnson, Bettina Lee, Joan Mecsas, Nobuhiko Kayagaki, Jon D Goguen, Egil Lien
Type III secretion systems (T3SS) are central virulence factors for many pathogenic Gram-negative bacteria, and secreted T3SS effectors can block key aspects of host cell signaling. To counter this, innate immune responses can also sense some T3SS components to initiate anti-bacterial mechanisms. The Yersinia pestis T3SS is particularly effective and sophisticated in manipulating the production of pro-inflammatory cytokines IL-1β and IL-18, which are typically processed into their mature forms by active caspase-1 following inflammasome formation...
December 2016: PLoS Pathogens
https://www.readbyqxmd.com/read/27910863/compressive-sensing-with-optical-chaos
#5
D Rontani, D Choi, C-Y Chang, A Locquet, D S Citrin
Compressive sensing (CS) is a technique to sample a sparse signal below the Nyquist-Shannon limit, yet still enabling its reconstruction. As such, CS permits an extremely parsimonious way to store and transmit large and important classes of signals and images that would be far more data intensive should they be sampled following the prescription of the Nyquist-Shannon theorem. CS has found applications as diverse as seismology and biomedical imaging. In this work, we use actual optical signals generated from temporal intensity chaos from external-cavity semiconductor lasers (ECSL) to construct the sensing matrix that is employed to compress a sparse signal...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27910721/care-delivery-considerations-for-widespread-and-equitable-implementation-of-inherited-cancer-predisposition-testing
#6
Deborah Cragun, Anita Y Kinney, Tuya Pal
DNA sequencing advances through next-generation sequencing (NGS) and several practice changing events, have led to shifting paradigms for inherited cancer predisposition testing. These changes necessitated a means by which to maximize health benefits without unnecessarily inflating healthcare costs and exacerbating health disparities. Areas covered: NGS-based tests encompass multi-gene panel tests, whole exome sequencing, and whole genome sequencing, all of which test for multiple genes simultaneously, compared to prior sequencing practices through which testing was performed sequentially for one or two genes...
December 2, 2016: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/27910603/investigation-on-quench-initiation-and-propagation-characteristics-of-gdbco-coil-co-wound-with-a-stainless-steel-tape-as-turn-to-turn-metallic-insulation
#7
Y G Kim, J B Song, Y H Choi, D G Yang, S G Kim, H G Lee
This paper investigates the quench initiation and propagation characteristics of a metallic insulation (MI) coil by conducting thermal quench tests for a GdBCO single-pancake coil co-wound with a stainless steel tape as the turn-to-turn MI. The test results confirmed that the MI coil exhibited superior thermal and electrical stabilities compared to the conventional coils co-wound with organic insulation material because the operating current could flow along the radial direction due to the existence of a turn-to-turn contact when a local hot spot was generated...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910562/operation-of-bolometer-system-using-pt-foil-on-sin-substrate-detector-for-east-tokamak
#8
Y M Duan, S T Mao, L Q Hu, P Xu, L Q Xu, J Z Zhang, S Y Lin
The foil resistive bolometer diagnostic on experimental advanced superconducting tokamak has been upgraded partly with a new generation of detectors. The new detectors have faster response time. However, the microwave interference is still a serious issue for the bolometer system. The system response to microwave is tested, and the test results show that the closed Wheatstone bridge circuit in the detector is the most sensitive component to high power microwave field. Simulation results of microwave transmission by the high frequency structure simulator software and shielding design are also presented...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910443/x-ray-intensity-and-source-size-characterizations-for-the-25-kv-upgraded-manson-source-at-sandia-national-laboratories
#9
G Loisel, P Lake, P Gard, G Dunham, L Nielsen-Weber, M Wu, E Norris
At Sandia National Laboratories, the x-ray generator Manson source model 5 was upgraded from 10 to 25 kV. The purpose of the upgrade is to drive higher characteristics photon energies with higher throughput. In this work we present characterization studies for the source size and the x-ray intensity when varying the source voltage for a series of K-, L-, and M-shell lines emitted from Al, Y, and Au elements composing the anode. We used a 2-pinhole camera to measure the source size and an energy dispersive detector to monitor the spectral content and intensity of the x-ray source...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910422/measurements-of-laser-generated-soft-x-ray-emission-from-irradiated-gold-foils
#10
J S Davis, Y Frank, E Raicher, M Fraenkel, P A Keiter, S R Klein, R P Drake, D Shvarts
Soft x-ray emission from laser irradiated gold foils was measured at the Omega-60 laser system using the Dante photodiode array. The foils were heated with 2 kJ, 6 ns laser pulses and foil thicknesses were varied between 0.5, 1.0, and 2.0 μm. Initial Dante analysis indicates peak emission temperatures of roughly 100 eV and 80 eV for the 0.5 μm and 1.0 μm thick foils, respectively, with little measurable emission from the 2.0 μm foils.
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910331/next-generation-gamma-ray-cherenkov-detectors-for-the-national-ignition-facility
#11
H W Herrmann, Y H Kim, A M McEvoy, A B Zylstra, C S Young, F E Lopez, J R Griego, V E Fatherley, J A Oertel, W Stoeffl, H Khater, J E Hernandez, A Carpenter, M S Rubery, C J Horsfield, S Gales, A Leatherland, T Hilsabeck, J D Kilkenny, R M Malone, J D Hares, J Milnes, W T Shmayda, C Stoeckl, S H Batha
The newest generation of Gas Cherenkov Detector (GCD-3) employed in Inertial Confinement Fusion experiments at the Omega Laser Facility has provided improved performance over previous generations. Comparison of reaction histories measured using two different deuterium-tritium fusion products, namely gamma rays using GCD and neutrons using Neutron Temporal Diagnostic (NTD), have provided added credibility to both techniques. GCD-3 is now being brought to the National Ignition Facility (NIF) to supplement the existing Gamma Reaction History (GRH-6m) located 6 m from target chamber center (TCC)...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910325/measurement-of-effect-of-electron-cyclotron-heating-in-a-tandem-mirror-plasma-using-a-semiconductor-detector-array-and-an-electrostatic-energy-analyzer
#12
R Minami, T Imai, T Kariya, T Numakura, M Uehara, K Tsumura, Y Ebashi, S Kajino, Y Endo, Y Nakashima
Temporally and spatially resolved soft x-ray and end-loss-electron analyses of the electron cyclotron heated plasmas are carried out by using a semiconductor detector array and an electrostatic energy analyzer in the GAMMA 10 tandem mirror. The flux and the energy spectrum of the end loss electrons are measured by a multi-grid energy analyzer. Recently, the electron cyclotron heating power modulation experiments have been started in order to generate and control the high heat flux and to make the edge localized mode-like intermittent heat load pattern for the divertor simulation studies by the use of these detectors for electron properties...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910310/millimeter-wave-imaging-diagnostics-systems-on-the-east-tokamak-invited
#13
Y L Zhu, J L Xie, C X Yu, Z L Zhao, B X Gao, D X Chen, W D Liu, W Liao, C M Qu, C Luo, X Hu, A G Spear, N C Luhmann, C W Domier, M Chen, X Ren, B J Tobias
Millimeter-wave imaging diagnostics, with large poloidal span and wide radial range, have been developed on the EAST tokamak for visualization of 2D electron temperature and density fluctuations. A 384 channel (24 poloidal × 16 radial) Electron Cyclotron Emission Imaging (ECEI) system in F-band (90-140 GHz) was installed on the EAST tokamak in 2012 to provide 2D electron temperature fluctuation images with high spatial and temporal resolution. A co-located Microwave Imaging Reflectometry (MIR) will be installed for imaging of density fluctuations by December 2016...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910095/a-comparison-of-methods-for-estimating-the-incidence-of-human-immunodeficiency-virus-infection-in-repeat-blood-donors
#14
Donald J Brambilla, Michael P Busch, Roger Y Dodd, Simone A Glynn, Steven H Kleinman
BACKGROUND: The incidence of human immunodeficiency virus (HIV) in repeat blood donors has been estimated using seven methods. Although incidence is always calculated as cases per person-time, approaches to selecting cases and calculating person-time vary. Incidence estimates have not been compared among methods. STUDY DESIGN AND METHODS: The seven methods were compared in a simulation study. Because three methods used information from donations made before an estimation interval, 8 years of donation and infection history were simulated, and Years 7 and 8 were treated as the estimation interval for all methods...
December 1, 2016: Transfusion
https://www.readbyqxmd.com/read/27909154/towards-a-novel-modular-architecture-for-cern-radiation-monitoring
#15
Hamza Boukabache, Michel Pangallo, Gael Ducos, Nicola Cardines, Antonio Bellotta, Ciarán Toner, Daniel Perrin, Doris Forkel-Wirth
The European Organization for Nuclear Research (CERN) has the legal obligation to protect the public and the people working on its premises from any unjustified exposure to ionising radiation. In this context, radiation monitoring is one of the main concerns of the Radiation Protection Group. After 30 y of reliable service, the ARea CONtroller (ARCON) system is approaching the end of its lifecycle, which raises the need for new, more efficient radiation monitors with a high level of modularity to ensure better maintainability...
November 30, 2016: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/27908881/pre-clinical-studies-of-gilteritinib-a-next-generation-flt3-inhibitor
#16
Lauren Y Lee, Daniela Hernandez, Trivikram Rajkhowa, Samuel C Smith, Jayant Ranganathan Raman, Bao Nguyen, Donald Small, Mark Levis
Activating mutations in the receptor tyrosine kinase FLT3 comprise approximately one-third of genetic lesions in acute myeloid leukemia (AML) and are associated with a poor prognosis. Internal tandem duplication (FLT3-ITD) mutations in particular are associated with a high relapse rate. Although FLT3 tyrosine kinase inhibitors (TKIs) appear to improve clinical outcomes for patients with FLT3-ITD AML, the development of early-generation FLT3 TKIs has been impeded by several obstacles such as low potency and selectivity, myelosuppression, and the emergence of resistance-conferring point mutations...
December 1, 2016: Blood
https://www.readbyqxmd.com/read/27908502/centralized-capacity-building-training-of-lichtenstein-hernioplasty-in-brazil
#17
Alexandra M Moore, Néha Datta, Justin P Wagner, Alexander D Schroeder, Wolfgang Reinpold, Maurice Y Franciss, Rodrigo A Silva, David C Chen, Charles J Filipi, Sergio Roll
BACKGROUND: In Brazil, access to healthcare varies widely by community. Options for repair of surgically correctable conditions, such as inguinal hernias, are limited. A training program was instituted to expand access to Lichtenstein hernioplasty. METHODS: Between September, 2014 and September, 2015, 3 orders of training series took place in São Paulo, Brazil. Participating surgeons received training and assessments from expert trainers using the Operative Performance Rating Scale (OPRS)...
November 22, 2016: American Journal of Surgery
https://www.readbyqxmd.com/read/27908170/high-resolution-digital-autoradiographic-and-dosimetric-analysis-of-heterogeneous-radioactivity-distribution-in-xenografted-prostate-tumors
#18
Oskar V Timmermand, Jenny Nilsson, Sven-Erik Strand, Jörgen Elgqvist
PURPOSE: The first main aim of this study was to illustrate the absorbed dose rate distribution from (177)Lu in sections of xenografted prostate cancer (PCa) tumors using high resolution digital autoradiography (DAR) and compare it with hypothetical identical radioactivity distributions of (90)Y or 7 MeV alpha-particles. Three dosimetry models based on either dose point kernels or Monte Carlo simulations were used and evaluated. The second and overlapping aim, was to perform DAR imaging and dosimetric analysis of the distribution of radioactivity, and hence the absorbed dose rate, in tumor sections at an early time point after injection during radioimmunotherapy using (177)Lu-h11B6, directed against the human kallikrein 2 antigen...
December 2016: Medical Physics
https://www.readbyqxmd.com/read/27906433/microrna-185-5p-modulates-chemosensitivity-of-human-non-small-cell-lung-cancer-to-cisplatin-via-targeting-abcc1
#19
K Pei, J-J Zhu, C-E Wang, Q-L Xie, J-Y Guo
OBJECTIVE: MicroRNA-185-5p (miR-185-5p) dysregulation is found in various human cancers. Our purpose is to investigate the association of miR-185-5p expression with the sensitivity of non-small cell lung cancer (NSCLC) to cisplatin. MATERIALS AND METHODS: Real-time PCR or Western blot assay was performed to detect the expression of mature miR-185-5p and ATP-binding cassette, subfamily C, member 1 (ABCC1) protein. Cell lines with abnormal expression of miR-185-5p were generated using miR-185-5p inhibitor and mimics...
November 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27906375/surface-modulation-and-back-reflection-from-foil-targets-irradiated-by-a-petawatt-femtosecond-laser-pulse-at-oblique-incidence
#20
S Ter-Avetisyan, A Andreev, K Platonov, J H Sung, S K Lee, H W Lee, J Y Yoo, P K Singh, H Ahmed, C Scullion, K F Kakolee, T W Jeong, P Hadjisolomou, M Borghesi
A significant level of back reflected laser energy was measured during the interaction of ultra-short, high contrast PW laser pulses with solid targets at 30° incidence. 2D PIC simulations carried out for the experimental conditions show that at the laser-target interface a dynamic regular structure is generated during the interaction, which acts as a grating (quasi-grating) and reflects back a significant amount of incident laser energy. With increasing laser intensity above 10<sup>18</sup> W/cm<sup>2</sup> the back reflected fraction increases due to the growth of the surface modulation to larger amplitudes...
November 28, 2016: Optics Express
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