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https://www.readbyqxmd.com/read/28432927/type-2-bvdv-n-pro-suppresses-ifn-1-pathway-signaling-in-bovine-cells-and-augments-brsv-replication
#1
Abdulrahman A Alkheraif, Christina L Topliff, Jay Reddy, Chandirasegaran Massilamany, Ruben O Donis, Gregor Meyers, Kent M Eskridge, Clayton L Kelling
Bovine viral diarrhea virus (BVDV) infection induces immunosuppression and in conjunction with bovine respiratory syncytial virus (BRSV) contributes to the bovine respiratory disease complex. Bovine turbinate cells were single or co-infected with type 2 BVDV wild-type (BVDV2-wt), its dysfunctional N(pro) mutant (BVDV2-E), and/or BRSV. BVDV2-E significantly up-regulated PKR, IRF-7, TBK-1, IRF-3, and IFN-β mRNAs based on real-time Q-RT-PCR. BRSV-infected cells expressed significantly up-regulated PKR, IRF-3, IRF-7, and IFN-β mRNAs, whereas BVDV2-wt, but not BVDV2-E, abolished this up-regulation in co-infection...
April 19, 2017: Virology
https://www.readbyqxmd.com/read/28432792/monte-carlo-study-of-the-chamber-phantom-air-gap-effect-in-a-magnetic-field
#2
Daniel J O'Brien, Gabriel O Sawakuchi
PURPOSE: The aim of this study was to examine the effect of sub-millimeter air gaps that may exist between an ionization chamber and solid phantoms when measurements are performed in a magnetic field. METHODS: Geant4 Monte Carlo simulations were performed using a model of a PTW 30013 Farmer chamber in a water phantom. Symmetrical and asymmetrical air gaps of various thicknesses were modeled surrounding the chamber, and the dose to the air cavity of the chamber was scored in each case...
April 22, 2017: Medical Physics
https://www.readbyqxmd.com/read/28432764/small-molecular-anion-recognition-by-a-shape-responsive-bowl-type-dodecavanadate
#3
Sho Kuwajima, Yuji Kikukawa, Yoshihito Hayashi
A dodecavanadate, [V₁₂O₃₂]⁴¯, is an inorganic bowl-type host with a cavity entrance with a diameter of 4.4 Å in the optimized structure. The linear, bent, and trigonal planar anions, are tested as a guest anion and the formation of host-guest complexes, [V₁₂O₃₂(X)]⁵¯ (X = CN¯, OCN¯, NO₂¯, NO₃¯, HCO₂¯, and CH₃CO₂¯) were confirmed by X-ray crystallographic analyses and ⁵¹V NMR study. The degree of the distortion of the bowl from a regular bowl to an oval bowl depends on the shape of the guest anion, after host-guest complex formation...
April 22, 2017: Chemistry, An Asian Journal
https://www.readbyqxmd.com/read/28432746/impact-of-baseline-hba1c-diabetes-duration-and-bmi-on-clinical-outcomes-in-the-lixilan-o-trial-testing-iglarlixi-insulin-glargine-lixisenatide-titratable-fixed-ratio-combination-versus-insulin-glargine-and-lixisenatide-monocomponents
#4
M J Davies, L A Leiter, B Guerci, G Grunberger, F J Ampudia-Blasco, C Yu, W Stager, E Niemoeller, E Souhami, J Rosenstock
To determine whether baseline characteristics impact clinical outcomes in the LixiLan-O trial (N = 1170), the efficacy and safety of iGlarLixi, a titratable fixed-ratio combination of insulin glargine 100 U (iGlar) and lixisenatide (Lixi) was compared with iGlar or Lixi alone in patients with uncontrolled type 2 diabetes mellitus (T2DM) on oral therapy. Subgroups according to baseline glycated haemoglobin (HbA1c; <8%, ≥8% [<64, ≥64 mmol/mol]); T2DM disease duration (<7, ≥7 years) and body mass index (BMI; <30, ≥30 kg/m(2) ) were investigated...
April 22, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28432685/chiral-analysis-of-%C3%AE-diimine-ru-ii-and-fe-ii-complexes-by-capillary-electrophoresis-using-sulfated-cyclodextrins-as-stereoselectors
#5
Petra Sázelová, Dušan Koval, Lukáš Severa, Filip Teplý, Václav Kašička
Capillary electrophoresis (CE) using randomly highly sulfated α-, β-, and γ-cyclodextrins (S-α-CD, S-β-CD, S-γ-CD), sulfobutylether-β-CD (SBE-β-CD), single isomer (6-O-sulfo) α-, β-, and γ-CDs and their derivatives as stereoselectors was applied to chiral analysis of polypyridyl complexes of [Ru(bpy)3 ](2+) , [Ru(phen)3 ](2+) , and [Fe(phen)3 ](2+) (bpy = 2,2'-bipyridine; phen = 1,10 phenanthroline). The best separations of Δ- and Λ-enantiomers of the these complexes with high resolution (up to R1,2  = 7...
April 22, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28432452/fluorescent-angioscopic-imaging-of-calcium-phosphate-tribasic-precursor-of-hydroxyapatite-the-major-calcium-deposit-in-human-coronary-plaques
#6
Takanobu Kobayashi, Osamu Nakagawa, Seiichiro Shirai, Ei Shimoyama, Nobuyuki Hiruta, Yasumi Uchida
Coronary calcification is a risk factor for ischemic heart disease. Hydroxyapatite that is formed by polymerization from calcium phosphate tribasic (CPT) is the major constituent of coronary calcium deposits. If CPT could be visualized, coronary calcification could be predicted and prevented. We discovered that when CPT and collagen I, the main constituent of collagen fibers, are mixed with lac dye (LD) and then exposed to fluorescent light excited at 345 ± 15 nm and emitted at 420 nm, a purple fluorescence that is characteristic of CPT only is elicited...
April 21, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28432213/tobacco-retail-availability-and-risk-of-relapse-among-smokers-who-make-a-quit-attempt-a-population-based-cohort-study
#7
Michael O Chaiton, Graham Mecredy, Joanna Cohen
INTRODUCTION: The availability of tobacco is thought to influence smoking behaviour, but there are few longitudinal studies examining if the location and number of tobacco outlets has a prospective impact on smoking cessation. METHODS: The Ontario Tobacco Survey, a population-representative sample of Ontario adult smokers who were followed every 6 months for up to 3 years, was linked with tobacco outlet location data from the Ontario Ministry of Health. Proximity (distance), threshold (at least one outlet within 500 m) and density (number of outlets within 500 m) with respect to a smokers' home were calculated among urban and suburban current smokers (n=2414)...
April 21, 2017: Tobacco Control
https://www.readbyqxmd.com/read/28432124/regulation-of-neurite-morphogenesis-by-interaction-between-r7-regulator-of-g-protein-signaling-complexes-and-g-protein-subunit-g%C3%AE-13
#8
Stephanie L Scherer, Matthew D Cain, Stanley M Kanai, Kevin M Kaltenbronn, Kendall J Blumer
The R7 regulator of G protein signaling family (R7-RGS) critically regulates nervous system development and function. Mice lacking all R7-RGS subtypes exhibit diverse neurological phenotypes, and humans bearing mutations in the retinal R7-RGS isoform RGS9-1 have vision deficits. Although each R7-RGS subtype forms heterotrimeric complexes with Gβ5 and R7-RGS binding protein (R7BP) that regulate G protein-coupled receptor signaling by accelerating deactivation of Gi/o α-subunits, several neurological phenotypes of R7-RGS knockout mice are not readily explained by dysregulated Gi/o signaling...
April 21, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28432059/increased-amplitude-of-inward-rectifier-k-currents-with-advanced-age-in-smooth-muscle-cells-of-murine-superior-epigastric-arteries
#9
Sebastien Hayoz, Jessica Pettis, Vanessa Bradley, Steven S Segal, William F Jackson
Inward rectifier K(+) channels (KIR) may contribute to skeletal muscle blood flow regulation and adapt to advanced age. Using mouse abdominal wall superior epigastric arteries (SEAs) from either young (3-6 months) or old (24-26 months) male C57BL/6 mice, we investigated whether SEA smooth muscle cells (SMCs) express functional KIR, and how aging may affect KIR function. Freshly dissected SEAs were either enzymatically dissociated to isolate SMCs for electrophysiological recording (perforated patch) and mRNA expression, or used intact for pressure myography...
April 21, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28432037/investigating-in-vitro-and-in-vivo-%C3%AE-v%C3%AE-6-integrin-receptor-targeting-liposomal-alendronate-for-combinatory-%C3%AE-%C3%AE-t-cell-immunotherapy
#10
Naomi O Hodgins, Wafa' T Al-Jamal, Julie T-W Wang, Rebecca Klippstein, Jane K Sosabowski, John F Marshall, John Maher, Khuloud T Al-Jamal
The αvβ6 integrin receptor has been shown to be overexpressed on many types of cancer cells, resulting in a more pro-invasive and aggressive phenotype, this makes it an attractive target for selective drug delivery. In tumours that over-express the αvβ6 receptor, cellular uptake of liposomes can be enhanced using ligand-targeted liposomes. It has previously been shown in both in vitro and in vivo studies that liposomal alendronate (L-ALD) can sensitise cancer cells to destruction by Vγ9Vδ2 T cells. It is hypothesised that by using the αvβ6-specific peptide A20FMDV2 as a targeting moiety for L-ALD, the therapeutic efficacy of this therapy can be increased in αvβ6 positive tumours...
April 18, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28431860/predictive-value-of-perfusion-defects-on-dual-energy-cta-in-the-absence-of-thromboembolic-clots
#11
Richard A P Takx, Thomas Henzler, U Joseph Schoepf, Thomas Germann, Stefan O Schoenberg, Aysel Shirinova, Ralf W Bauer, Claudia Frellesen, Long Jiang Zhang, John W Nance, Christian Fink, Paul Apfaltrer
BACKGROUND: To determine the predictive value of volumetrically measured lung perfusion defects (PDvol) and right ventricular dysfunction on dual-energy computed tomography angiography (DE-CTA) for predicting all cause mortality in patients suspected of pulmonary embolism (PE) but without evident thromboembolic clot on CTA. METHODS: 448 patients underwent DE-CTA on a 64-channel DSCT system between January 2007 and December 2012 for suspected PE, of which 115 were without detectable thromboembolic clot on CTA...
April 18, 2017: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/28431813/evaluation-of-immune-responses-of-stabilised-sat2-antigens-of-foot-and-mouth-disease-in-cattle
#12
Katherine A Scott, N M Rathogwa, A V Capozzo, Francois F Maree
Foot-and-mouth disease (FMD) vaccines with improved stability and less reliant on a cold-chain are needed to improve the longevity of immune responses elicited in animals. This is especially so for serotypes O and SAT2 which are unstable in mildly acidic pH conditions or at elevated temperatures leading to dissociation of the capsid (146S particle) and loss of immunogenicity. Previously, stabilised SAT2 viruses were generated by reverse genetic approaches and assessed in vitro and in vivo with a guinea pig trial...
April 18, 2017: Vaccine
https://www.readbyqxmd.com/read/28431766/analysis-of-2-week-data-from-two-randomized-controlled-trials-conducted-in-subjects-with-frequent-heartburn-treated-with-esomeprazole-20-mg
#13
Philip O Katz, Anne Le Moigne, Charles Pollack
PURPOSE: These secondary analyses used data from 2 similarly designed studies in subjects experiencing frequent heartburn to evaluate the efficacy of esomeprazole 20 mg once daily for 2 weeks, which reflects the approved over-the-counter dosage and duration. METHODS: Subjects without endoscopically identified erosive esophagitis who were experiencing heartburn for ≥6 months and ≥4 of 7 days prior to baseline (study 1, N = 368; study 2, N = 349) were randomly assigned to receive double-blind treatment with esomeprazole 40 or 20 mg (administered as esomeprazole magnesium trihydrate 44...
April 18, 2017: Clinical Therapeutics
https://www.readbyqxmd.com/read/28431413/novel-oral-anticoagulants-and-trauma-the-results-of-a-prospective-american-association-for-the-surgery-of-trauma-multi-institutional-trial
#14
Leslie Kobayashi, Galinos Barmparas, Patrick Bosarge, Carlos V Brown, Marko Bukur, Matthew M Carrick, Richard D Catalano, Jan Holly-Nicolas, Kenji Inaba, Stephen Kaminski, Amanda L Klein, Tammy Kopelman, Eric J Ley, Ericca M Martinez, Forrest O Moore, Jason Murry, Raminder Nirula, Douglas Paul, Jacob Quick, Omar Rivera, Martin Schreiber, Raul Coimbra
BACKGROUND: The number of anticoagulated trauma patients is increasing. Trauma patients on warfarin have been found to have poor outcomes, particularly after intracranial hemorrhage (ICH). However, the effect of novel oral anticoagulants (NOAs) on trauma outcomes is unknown. We hypothesized that patients on NOAs would have higher rates of ICH, ICH progression, and death compared with patients on traditional anticoagulant and antiplatelet agents. METHODS: This was a prospective observational trial across 16 trauma centers...
May 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28431215/early-treatment-improves-urodynamic-prognosis-in-neurogenic-voiding-dysfunction-20-years-of-experience
#15
Lucia M Costa Monteiro, Glaura O Cruz, Juliana M Fontes, Eliane T R C Vieira, Eloá N Santos, Grace F Araújo, Eloane G Ramos
OBJECTIVE: To evaluate the association between early treatment and urodynamic improvement in pediatric and adolescent patients with neurogenic bladder. METHODOLOGY: Retrospective longitudinal and observational study (between 1990 and 2013) including patients with neurogenic bladder and myelomeningocele treated based on urodynamic results. The authors evaluated the urodynamic follow-up (bladder compliance and maximum bladder capacity and pressure) considering the first urodynamic improvement in two years as the outcome variable and early referral as the exposure variable, using a descriptive and multivariate analysis with logistic regression model...
April 18, 2017: Jornal de Pediatria
https://www.readbyqxmd.com/read/28431189/to-cure-or-not-to-cure-differential-effects-of-the-chaperone-sorting-factor-cur1-on-yeast-prions-are-mediated-by-the-chaperone-sis1
#16
Yury A Barbitoff, Andrew G Matveenko, Svetlana E Moskalenko, Olga M Zemlyanko, Gary P Newnam, Ayesha Patel, Tatiana A Chernova, Yury O Chernoff, Galina A Zhouravleva
Yeast self-perpetuating protein aggregates (prions) provide a convenient model for studying various components of the cellular protein quality control system. Molecular chaperones and chaperone-sorting factors, such as yeast Cur1 protein, play key role in proteostasis via tight control of partitioning and recycling of misfolded proteins. In this study, we show that, despite the previously described ability of Cur1 to antagonize the yeast prion [URE3], it enhances propagation and phenotypic manifestation of another prion, [PSI(+) ]...
April 21, 2017: Molecular Microbiology
https://www.readbyqxmd.com/read/28431035/medical-symptom-validity-test-performance-following-moderate-severe-traumatic-brain-injury-expectations-based-on-orientation-log-classification
#17
Stephen N Macciocchi, Ronald T Seel, Angela Yi, Sarah Small
Objective: This study examined performance on the Medical Symptom Validity test (MSVT) during acute rehabilitation for moderate-severe traumatic brain injury (TBI) stratified by Orientation Log (O-Log) scores. Method: Participants were 77 prospectively enrolled persons who sustained moderate-severe TBI and were acutely hospitalized secondary to the cognitive, medical and physical sequelae of their TBI. Participants were administered neuropsychological metrics, the O-Log and the MSVT a mean of 44 days post injury...
May 1, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/28430976/acute-and-chronic-noradrenergic-effects-on-cortical-excitability-in-healthy-humans
#18
Hsiao-I Kuo, Walter Paulus, Giorgi Batsikadze, Asif Jamil, Min-Fang Kuo, Michael A Nitsche
Background: Noradrenaline is a major neuromodulator in the central nervous system, and it is involved in the pathophysiology of diverse neuropsychiatric diseases. Previous transcranial magnetic stimulation (TMS) studies suggested that acute application of selective noradrenaline reuptake inhibitors (NRI) enhances cortical excitability in the human brain. However, other, such like clinical effects, usually require prolonged NRI treatment, which might go along with different physiological effects...
April 19, 2017: International Journal of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28430973/biological-functions-of-fucose-in-mammals
#19
Michael Schneider, Esam Al-Shareffi, Robert S Haltiwanger
Fucose is a 6-deoxy hexose in the L-configuration found in a large variety of different organisms. In mammals, fucose is incorporated into N-glycans, O-glycans and glycolipids by thirteen fucosyltransferases, all of which utilize the nucleotide charged form, GDP-fucose, to modify targets. Three of the fucosyltransferases, FUT8, FUT12/POFUT1, and FUT13/POFUT2, are essential for proper development in mice. Fucose modifications have also been implicated in many other biological functions including immunity and cancer...
April 18, 2017: Glycobiology
https://www.readbyqxmd.com/read/28430825/discovery-and-fine-mapping-of-adiposity-loci-using-high-density-imputation-of-genome-wide-association-studies-in-individuals-of-african-ancestry-african-ancestry-anthropometry-genetics-consortium
#20
Maggie C Y Ng, Mariaelisa Graff, Yingchang Lu, Anne E Justice, Poorva Mudgal, Ching-Ti Liu, Kristin Young, Lisa R Yanek, Mary F Feitosa, Mary K Wojczynski, Kristin Rand, Jennifer A Brody, Brian E Cade, Latchezar Dimitrov, Qing Duan, Xiuqing Guo, Leslie A Lange, Michael A Nalls, Hayrettin Okut, Salman M Tajuddin, Bamidele O Tayo, Sailaja Vedantam, Jonathan P Bradfield, Guanjie Chen, Wei-Min Chen, Alessandra Chesi, Marguerite R Irvin, Badri Padhukasahasram, Jennifer A Smith, Wei Zheng, Matthew A Allison, Christine B Ambrosone, Elisa V Bandera, Traci M Bartz, Sonja I Berndt, Leslie Bernstein, William J Blot, Erwin P Bottinger, John Carpten, Stephen J Chanock, Yii-Der Ida Chen, David V Conti, Richard S Cooper, Myriam Fornage, Barry I Freedman, Melissa Garcia, Phyllis J Goodman, Yu-Han H Hsu, Jennifer Hu, Chad D Huff, Sue A Ingles, Esther M John, Rick Kittles, Eric Klein, Jin Li, Barbara McKnight, Uma Nayak, Barbara Nemesure, Adesola Ogunniyi, Andrew Olshan, Michael F Press, Rebecca Rohde, Benjamin A Rybicki, Babatunde Salako, Maureen Sanderson, Yaming Shao, David S Siscovick, Janet L Stanford, Victoria L Stevens, Alex Stram, Sara S Strom, Dhananjay Vaidya, John S Witte, Jie Yao, Xiaofeng Zhu, Regina G Ziegler, Alan B Zonderman, Adebowale Adeyemo, Stefan Ambs, Mary Cushman, Jessica D Faul, Hakon Hakonarson, Albert M Levin, Katherine L Nathanson, Erin B Ware, David R Weir, Wei Zhao, Degui Zhi, Donna K Arnett, Struan F A Grant, Sharon L R Kardia, Olufunmilayo I Oloapde, D C Rao, Charles N Rotimi, Michele M Sale, L Keoki Williams, Babette S Zemel, Diane M Becker, Ingrid B Borecki, Michele K Evans, Tamara B Harris, Joel N Hirschhorn, Yun Li, Sanjay R Patel, Bruce M Psaty, Jerome I Rotter, James G Wilson, Donald W Bowden, L Adrienne Cupples, Christopher A Haiman, Ruth J F Loos, Kari E North
Genome-wide association studies (GWAS) have identified >300 loci associated with measures of adiposity including body mass index (BMI) and waist-to-hip ratio (adjusted for BMI, WHRadjBMI), but few have been identified through screening of the African ancestry genomes. We performed large scale meta-analyses and replications in up to 52,895 individuals for BMI and up to 23,095 individuals for WHRadjBMI from the African Ancestry Anthropometry Genetics Consortium (AAAGC) using 1000 Genomes phase 1 imputed GWAS to improve coverage of both common and low frequency variants in the low linkage disequilibrium African ancestry genomes...
April 21, 2017: PLoS Genetics
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