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https://www.readbyqxmd.com/read/28212251/serum-mast-cell-tryptase-as-a-marker-of-posttraumatic-joint-contracture-in-a-rabbit-model
#1
Michaela Kopka, Michael J Monument, A Dean Befus, Mei Zhang, David A Hart, Paul T Salo, Prism S Schneider, Cun-Yi Fan, Xiangdang Liang, Alexandra Garven, Kevin A Hildebrand
OBJECTIVES: Mast cells have been identified as key mediators of posttraumatic joint contracture, and stabilizing medications (ketotifen) have been shown to decrease contracture severity. Serum mast cell tryptase (SMCT) levels are used clinically to monitor mast cell-mediated conditions. The goals of this study were to determine if SMCT levels are elevated in the setting of joint contracture, if they can be decreased in association with ketotifen therapy, and if they correlate with contracture severity...
March 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28212115/predictor-of-hand-radiological-progression-in-patients-with-rheumatoid-arthritis-receiving-tnf-antagonist-therapy-by-change-in-grayscale-synovitis-a-preliminary-study
#2
Ying-Chou Chen, Fu-Mei Su, Shih-Wei Hsu, Jia-Feng Chen, Tien-Tsai Cheng, Han-Ming Lai, Wen-Chan Chiu
OBJECTIVES: This prospective study aimed to compare synovial ultrasound scores to conventional measures (DAS28, CRP levels) in predicting radiographic progression in patients with rheumatoid arthritis under TNF antagonist therapy. METHODS: Patients with RA who received TNF antagonist therapy were enrolled, all of whom underwent clinical, laboratory, and ultrasonographic assessments with grayscale and power Doppler assessments of bilateral elbows (anterior and posterior recess), wrists (dorsal, palmar, and ulnar aspects), second and third MCP joints (dorsal and palmar recess), and PIP II and III (dorsal and palmar) at baseline and at 1, 3 months...
February 17, 2017: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
https://www.readbyqxmd.com/read/28211817/post-stroke-acquired-amusia-a-comparison-between-right-and-left-brain-hemispheric-damages
#3
Zahra Jafari, Mahdiye Esmaili, Ahmad Delbari, Masoud Mehrpour, Majid H Mohajerani
BACKGROUND: Although extensive research has been published about the emotional consequences of stroke, most studies have focused on emotional words, speech prosody, voices, or facial expressions. The emotional processing of musical excerpts following stroke has been relatively unexplored. OBJECTIVE: The present study was conducted to investigate the effects of chronic stroke on the recognition of basic emotions in music. METHODS: Seventy persons, including 25 normal controls (NC), 25 persons with right brain damage (RBD) from stroke, and 20 persons with left brain damage (LBD) from stroke between the ages of 31-71 years were studied...
February 15, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28211358/a-prospective-interventional-study-to-examine-the-effect-of-a-silver-alloy-and-hydrogel-coated-catheter-on-the-incidence-of-catheter-associated-urinary-tract-infection
#4
P Hy Chung, C Wy Wong, C Kc Lai, H K Siu, D Nc Tsang, K Y Yeung, D Km Ip, P Kh Tam
INTRODUCTION: Catheter-associated urinary tract infection is a major hospital-acquired infection. This study aimed to analyse the effect of a silver alloy and hydrogel-coated catheter on the occurrence of catheter-associated urinary tract infection. METHODS: This was a 1-year prospective study conducted at a single centre in Hong Kong. Adult patients with an indwelling urinary catheter for longer than 24 hours were recruited. The incidence of catheter-associated urinary tract infection in patients with a conventional latex Foley catheter without hydrogel was compared with that in patients with a silver alloy and hydrogel-coated catheter...
February 17, 2017: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
https://www.readbyqxmd.com/read/28211209/synthesis-and-reduction-of-uranium-v-imido-complexes-with-redox-active-substituents
#5
Kimberly C Mullane, Patrick J Carroll, Eric J Schelter
Organic azides containing naphthyl functionalities were used to prepare uranium(V) imido complexes UV[=NC(2-naph)Ph2][N(SiMe3)2]3 (2), UV[=NC(2-naph)3][N(SiMe3)2]3 (3), and UV[=N(2-naph)][N(SiMe3)2]3 (4), and compared with UV[=NCPh3][N(SiMe3)2]3 (1). The electronic structures of these compounds were investigated by solution electrochemistry studies that revealed accessible U(V/VI), U(IV/V), and naphthalene0/naphthalene-1 couples. The uranium(V) naphthyl-imido complexes were reduced by potassium graphite to yield their uranium(IV) congeners K[UIV[=NC(2-naph)Ph2][N(SiMe3)2]3] (2-K), K[UIV[=NC(2-naph)3][N(SiMe3)2]3] (3-K), and K[UIV[=N(2-naph)][N(SiMe3)2]3] (4-K)...
February 16, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28210506/combined-supplementation-of-choline-and-docosahexaenoic-acid-during-pregnancy-enhances-neurodevelopment-of-fetal-hippocampus
#6
Huban Thomas Rajarethnem, Kumar Megur Ramakrishna Bhat, Malsawmzuali Jc, Siva Kumar Gopalkrishnan, Ramesh Babu Mugundhu Gopalram, Kiranmai Sesappa Rai
Choline is an essential nutrient for humans which plays an important role in structural integrity and signaling functions. Docosahexaenoic acid (DHA) is a polyunsaturated fatty acid, highly enriched in cell membranes of the brain. Dietary intake of choline or DHA alone by pregnant mothers directly affects fetal brain development and function. But no studies show the efficacy of combined supplementation of choline and DHA on fetal neurodevelopment. The aim of the present study was to analyze fetal neurodevelopment on combined supplementation of pregnant dams with choline and DHA...
2017: Neurology Research International
https://www.readbyqxmd.com/read/28210479/pregnant-after-assisted-reproduction-a-risk-pregnancy-is-born-18-years-perinatal-outcome-results-from-a-population-based-registry-in-flanders-belgium
#7
W Ombelet, G Martens, L Bruckers
BACKGROUND: Although the increased risk for perinatal morbidity and mortality of babies born after ART is largely attributed to a higher rate of multiple gestations, a significantly worse perinatal outcome for singleton pregnancies following ART compared to pregnancies after natural conception has been reported as well. Most studies only include IVF/ICSI pregnancies; studies describing the perinatal outcome of pregnancies after non-IVF assisted reproduction are scarce. METHODS AND MATERIALS: Population-based cohort study with three exposure groups: a study group of pregnancies (1) after ovarian stimulation (OS), with or without artificial insemination (AI), (2) after IFV or ICSI and (3) a naturally conceived (NC) comparison group...
December 2016: Facts, Views & Vision in ObGyn
https://www.readbyqxmd.com/read/28208275/comprehensive-three-dimensional-gas-chromatography-with-time-of-flight-mass-spectrometry
#8
Nathanial E Watson, H Daniel Bahaghighat, Ke Cui, Robert E Synovec
Development of comprehensive, three-dimensional (3D) gas chromatography with time-of-flight mass spectrometric detection (GC(3)/TOFMS) is described. This instrument provides four dimensions (4D) of chemical selectivity and includes significant improvements to total selectivity (mass spectrometric and chromatographic), peak identification, and operational temperature range relative to previous models of the GC(3) reported. The new instrumental design and data output are evaluated and illustrated via two samples, a 115-component test mixture and a diesel fuel spiked with several compounds, for the purpose of illustrating the chemical selectivity benefits of this instrumental platform...
February 7, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28207574/laparoscopic-and-open-surgical-treatment-in-gastroduodenal-perforations-our-experience
#9
Rita Laforgia, Giovanni Balducci, Giuseppe Carbotta, Antonio Prestera, Maria Grazia Sederino, Giulia Casamassima, Marina Minafra, Pierluca Sallustio, Nicola Palasciano
INTRODUCTION: Peptic ulcer perforation (PPU) is a common surgical emergency and the mortality rate ranges 10% to 40%, especially in elderly patients. Laparoscopic repair achieved encouraging results. MATERIALS AND METHODS: We enrolled patients performing surgical repair for PPU from January 2007 to December 2015 in our surgical unit. The aim of this retrospective observational study was to compare the results of PPU laparoscopic repair with open technique. The following characteristics of patients were evaluated: age, sex and American Society of Anesthesiologists classification...
February 15, 2017: Surgical Laparoscopy, Endoscopy & Percutaneous Techniques
https://www.readbyqxmd.com/read/28206981/mno2-g-c3n4-nanocomposite-with-highly-enhanced-supercapacitor-performance
#10
Xueting Chang, Xinxin Zhai, Shibin Sun, Danxia Gu, Lihua Dong, Yansheng Yin, Yanqiu Zhu
A novel sandwich-like MnO2/g-C3N4 nanocomposite (NC) based on the integration of high-density MnO2 nanorods (NRs) onto the surfaces of two-dimensional (2D) g-C3N4 sheets has been successfully fabricated through a facile soft chemical route at low temperature. The MnO2/g-C3N4 NC electrode enhanced the supercapacitor (SC) performance, benchmarked against both the bare MnO2 NRs electrode and the MnO2/graphene oxide (GO) NC electrode, exhibiting high specific capacitance of 211 F/g at a current density of 1 A/g, with good rate capacity and cycling stability...
February 16, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28202850/hypermethylation-of-the-n-myc-downstream-regulated-gene-2-promoter-in-peripheral-blood-mononuclear-cells-is-associated-with-liver-fibrosis-in-chronic-hepatitis-b
#11
Xin-Yuan Liu, Yu-Chen Fan, Shuai Gao, Jing Zhao, Feng Li, Jun Zhang, Kai Wang
DNA methylation is a fundamental epigenetic modification to regulate gene expression. N-Myc downstream-regulated gene (NDRG) 2 is a cytoplasmic protein and participates in the pathogenesis of liver fibrosis. In this study, the mRNA expression and methylation status of NDRG2 was evaluated in patients with chronic hepatitis B (CHB). The study included 143 CHB patients and 65 normal controls (NC). The mRNA expression of NDRG2 in peripheral blood mononuclear cells (PBMCs) was detected by quantitative real-time polymerase chain reaction...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28202601/cell-scientist-to-watch-arun-shukla
#12
(no author information available yet)
Arun Shukla received his master's degree in Biotechnology from the Jawaharlal Nehru University in New Delhi, and joined the lab of Nobel laureate Hartmut Michel at the Max Planck Institute of Biophysics in Frankfurt, Germany, for his PhD. He then moved to the United States for his postdoctoral work with Robert Lefkowitz at Duke University (Durham, NC) in a very close collaboration with Brian Kobilka (Stanford University, CA). Arun became an Assistant Professor in the Department of Medicine at Duke University in 2011, before returning to India in April 2014 as an Assistant Professor at the Indian Institute of Technology (IIT) in Kanpur as a Wellcome Trust DBT India Alliance Intermediate Fellow...
February 15, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/28202124/-effect-of-heat-shock-factor-1-on-airway-hyperresponsiveness-and-airway-inflammation-in-mice-with-allergic-asthma
#13
Jing Wang, Li-Hong Xin, Wei Cheng, Zhen Wang, Wen Zhang
OBJECTIVE: To investigate the effect of heat shock factor 1 (HSF1) on airway hyperresponsiveness and airway inflammation in mice with asthma and possible mechanisms. METHODS: A total of 36 mice were randomly divided into four groups: control, asthma, HSF1 small interfering RNA negative control (siHSF1-NC), and siHSF1 intervention (n=9 each). Ovalbumin (OVA) sensitization and challenge were performed to induce asthma in the latter three groups. The mice in the siHSF1-NC and siHSF1 groups were treated with siHSF1-NC and siHSF1, respectively...
February 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28202053/up-regulation-of-mir-146a-increases-the-sensitivity-of-non-small-cell-lung-cancer-to-ddp-by-downregulating-cyclin-j
#14
Lin Shi, Zhaozhong Xu, Gang Wu, Xiaoting Chen, Yuanyuan Huang, Yanjing Wang, Weiqiang Jiang, Bin Ke
BACKGROUND: Cisplatin (DDP)-based chemotherapy is the common first-line therapy for lung cancer. However, their efficacy is often limited by primary drug resistance and/or acquired drug resistance. The aim of this study was to investigate the function of miRNA-146a (miR-146a) in DDP-resistant non-small cell lung cancer (NSCLC), as well as the underlying mechanisms. METHODS: The effect of overexpression of miR-146a and/or knockdown of cyclin J (CCNJ) in A549/DDP and SPC-A1/DDP cells were investigated as follows...
February 15, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28202030/upregulation-of-interleukin-33-and-thymic-stromal-lymphopoietin-levels-in-the-lungs-of-idiopathic-pulmonary-fibrosis
#15
Jong-Uk Lee, Hun Soo Chang, Hyeon Ju Lee, Chang An Jung, Da Jeong Bae, Hyun Ji Song, Jong Sook Park, Soo-Taek Uh, Young Hoon Kim, Ki-Hyun Seo, Choon-Sik Park
BACKGROUND: Innate T helper type 2 (Th2) immune responses mediated by interleukin (IL)-33, thymic stromal lymphopoietin (TSLP), and IL-25 have been shown to play an important role in pulmonary fibrosis of animal models; however, their clinical implications remain poorly understood. METHODS: TSLP, IL-25, and IL-33 concentrations were measured in bronchoalveolar lavage fluids obtained from normal controls (NCs; n = 40) and from patients with idiopathic pulmonary fibrosis (IPF; n = 100), non-specific interstitial pneumonia (NSIP; n = 22), hypersensitivity pneumonitis (HP; n = 20), and sarcoidosis (n = 19)...
February 15, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28201993/structure-and-variation-of-crispr-and-crispr-flanking-regions-in-deleted-direct-repeat-region-mycobacterium-tuberculosis-complex-strains
#16
Paul Jeffrey Freidlin, Israel Nissan, Anna Luria, Drora Goldblatt, Lana Schaffer, Hasia Kaidar-Shwartz, Daniel Chemtob, Zeev Dveyrin, Steven Robert Head, Efrat Rorman
BACKGROUND: CRISPR and CRISPR-flanking genomic regions are important for molecular epidemiology of Mycobacterium tuberculosis complex (MTBC) strains, and potentially for adaptive immunity to phage and plasmid DNA, and endogenous roles in the bacterium. Genotyping in the Israel National Mycobacterium Reference Center Tel-Aviv of over 1500 MTBC strains from 2008-2013 showed three strains with validated negative 43-spacer spoligotypes, that is, with putatively deleted direct repeat regions (deleted-DR/CRISPR regions)...
February 15, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28199861/the-vato-project-development-and-validation-of-a-dynamic-transfer-model-of-tritium-in-grassland-ecosystem
#17
S Le Dizès, C Aulagnier, D Maro, M Rozet, F Vermorel, D Hébert, C Voiseux, L Solier, C Godinot, B Fievet, P Laguionie, O Connan, O Cazimajou, M Morillon
In this paper, a dynamic compartment model with a high temporal resolution has been investigated to describe tritium transfer in grassland ecosystems exposed to atmospheric (3)H releases from nuclear facilities under normal operating or accidental conditions. TOCATTA-χ model belongs to the larger framework of the SYMBIOSE modelling and simulation platform that aims to assess the fate and transport of a wide range of radionuclides in various environmental systems. In this context, the conceptual and mathematical models of TOCATTA-χ have been designed to be relatively simple, minimizing the number of compartments and input parameters required...
February 12, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/28199115/efficient-spin-flip-excitation-of-a-nickelocene-molecule
#18
Maider Ormaza, Nicolas Bachellier, Marisa N Faraggi, Benjamin Verlhac, Paula Abufager, Philippe Ohresser, Loïc Joly, Michelangelo Romeo, Fabrice Scheurer, Marie-Laure Bocquet, Nicolas Lorente, Laurent Limot
Inelastic electron tunneling spectroscopy (IETS) within the junction of a scanning tunneling microscope (STM) uses current-driven spin-flip excitations for an all-electrical characterization of the spin state of a single object. Usually decoupling layers between the single object, atom or molecule, and the supporting surface are needed in order to observe these excitations. Here we study the surface magnetism of a sandwich nickelocene molecule (Nc) adsorbed directly on Cu(100) by means of X-ray magnetic circular dichroism (XMCD) and density functional theory calculations (DFT), and show with IETS that it exhibits an exceptionally efficient spin-flip excitation...
February 15, 2017: Nano Letters
https://www.readbyqxmd.com/read/28198785/evaluation-of-full-field-electroretinogram-reductions-after-ocriplasmin-treatment-results-of-the-oasis-trial-erg-substudy
#19
David G Birch, Matthew S Benz, Daniel M Miller, Andrew N Antoszyk, Joseph Markoff, Petra Kozma, Esmeralda Meunier, Robert C Sergott
PURPOSE: To explore a possible association between full-field electroretinograms with vitreomacular adhesion resolution and best-corrected visual acuity as part of the prospective, randomized, double-masked, sham-controlled Ocriplasmin for Treatment for Symptomatic Vitreomacular Adhesion Including Macular Hole (OASIS) trial studying ocriplasmin. METHODS: The ERG substudy enrolled 62 of 220 OASIS subjects (randomized 2:1) and analyzed full-field electroretinograms and their association with both vitreomacular adhesion resolution and best-corrected visual acuity from baseline through Month 24...
February 14, 2017: Retina
https://www.readbyqxmd.com/read/28198611/pdcu-pd-nanocube-with-pt-like-activity-for-hydrogen-evolution-reaction
#20
Jing Li, Feng Li, Si-Xuan Guo, Jie Zhang, Jiantai Ma
The electronic properties of metal surfaces can be modulated to weaken the binding energy of adsorbed H-intermediates on the catalyst surface thus enhance the catalytic activity for the hydrogen evolution reaction (HER). Here we firstly prepare PdCu alloy nanocubes (NCs) by co-reduction of Cu(acac)2 (acac =acetylacetonate) and Na2PdCl4 in the presence of oleylamine (OAm) and trioctylphosphine (TOP). The PdCu NC coated glassy carbon electrode is then anodized at a constant potential of 0.51 V vs. Ag/AgCl at room temperature in 0...
February 15, 2017: ACS Applied Materials & Interfaces
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