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https://www.readbyqxmd.com/read/28079476/mimiviruses-and-the-human-interferon-system-viral-evasion-of-classical-antiviral-activities-but-inhibition-by-a-novel-interferon-%C3%AE-regulated-immunomodulatory-pathway
#1
Gabriel Magno de Freitas Almeida, Lorena C Ferreira Silva, Philippe Colson, Jonatas Santos Abrahao
In this review we discuss the role of mimiviruses as potential human pathogens focusing on clinical and evolutionary evidence. We also propose a novel antiviral immunomodulatory pathway controlled by interferon-β (IFN-β) and mediated by immune-responsive gene 1 (IRG1) and itaconic acid, its product. Acanthamoeba polyphaga Mimivirus (APMV) was isolated from amoebae in a hospital while investigating a pneumonia outbreak. Mimivirus ubiquity and role as protist pathogens are well understood, and its putative status as a human pathogen has been gaining strength as more evidence is being found...
January 2017: Journal of Interferon & Cytokine Research
https://www.readbyqxmd.com/read/28078656/biosimilars-for-the-treatment-of-cancer-a-systematic-review-of-published-evidence
#2
REVIEW
Ira Jacobs, Reginald Ewesuedo, Sadiq Lula, Charles Zacharchuk
BACKGROUND: Biologic treatments for cancer continue to place a significant economic burden on healthcare stakeholders. Biosimilar therapies may help reduce this burden through cost savings, thereby increasing patient access. OBJECTIVES: The purpose of this study was to collate all published data to assess the weight of available evidence (quantity and quality) for proposed monoclonal antibody biosimilars and intended copies, for the treatment of cancer. METHODS: MEDLINE(®), Embase(®), and ISI Web of Science(®) databases were searched to September 2015...
January 11, 2017: BioDrugs: Clinical Immunotherapeutics, Biopharmaceuticals and Gene Therapy
https://www.readbyqxmd.com/read/28078646/mucosal-healing-in-ulcerative-colitis-a-comprehensive-review
#3
REVIEW
Pedro Boal Carvalho, José Cotter
Ulcerative colitis (UC) is a chronic inflammatory bowel disease characterized by periods of remission and periods of relapse. Patients often present with symptoms such as rectal bleeding, diarrhea and weight loss, and may require hospitalization and even colectomy. Long-term complications of UC include decreased quality of life and productivity and an increased risk of colorectal cancer. Mucosal healing (MH) has gained progressive importance in the management of UC patients. In this article, we review the endoscopic findings that define both mucosal injury and MH, and the strengths and limitations of the scoring systems currently available in clinical practice...
January 11, 2017: Drugs
https://www.readbyqxmd.com/read/28077348/user-centered-design-of-serious-games-for-older-adults-following-3-years-of-experience-with-exergames-for-seniors-a-study-design
#4
Ellen Brox, Stathis Th Konstantinidis, Gunn Evertsen
BACKGROUND: Seniors need sufficient balance and strength to manage in daily life, and sufficient physical activity is required to achieve and maintain these abilities. This can be a challenge, but fun and motivational exergames can be of help. However, most commercial games are not suited for this age group for several reasons. Many usability studies and user-centered design (UCD) protocols have been developed and applied, but to the best of our knowledge none of them are focusing on seniors' use of games for physical activity...
January 11, 2017: JMIR Serious Games
https://www.readbyqxmd.com/read/28077303/analysis-and-correction-of-field-fluctuations-in-fmri-data-using-field-monitoring
#5
Saskia Bollmann, Lars Kasper, S Johanna Vannesjo, Andreea O Diaconescu, Benjamin E Dietrich, Simon Gross, Klaas E Stephan, Klaas P Pruessmann
This work investigates the role of magnetic field fluctuations as a confound in fMRI. In standard fMRI experiments with single-shot EPI acquisition the uniform and gradient components of the magnetic field were recorded with NMR field sensors. By principal component analysis it is found that differences of field evolution between the EPI readouts are explainable by few components relating to slow and within-shot field dynamics of hardware and physiological origin. The impact of fluctuating field components is studied by selective data correction and assessment of its influence on image fluctuation and SFNR...
January 8, 2017: NeuroImage
https://www.readbyqxmd.com/read/28076293/electromyographic-classification-of-effort-in-muscle-strength-assessment
#6
Karan Veer, Tanu Sharma
Dual-channel evaluation of surface electromyogram (SEMG) signals acquired from amputee subjects using computational techniques for classification of arm motions is presented in this study. SEMG signals were classified by the neural network (NN) and interpretation was done using statistical techniques to extract the effectiveness of the recorded signals. From the results, it was observed that there exists a calculative difference in amplitude gain across different motions and that SEMG signals have great potential to classify arm motions...
January 11, 2017: Biomedizinische Technik. Biomedical Engineering
https://www.readbyqxmd.com/read/28074064/o-glcnacylation-of-stat5-controls-tyrosine-phosphorylation-and-oncogenic-transcription-in-stat5-dependent-malignancies
#7
P Freund, M A Kerenyi, M Hager, T Wagner, B Wingelhofer, H T T Pham, M Elabd, X Han, P Valent, F Gouilleux, V Sexl, O H Krämer, B Groner, R Moriggl
The signal transducer and activator of transcription 5 (STAT5) regulates differentiation, survival, proliferation and transformation of hematopoietic cells. Upon cytokine stimulation, STAT5 tyrosine phosphorylation (pYSTAT5) is transient, while in diverse neoplastic cells persistent overexpression and enhanced pYSTAT5 are frequently found. Posttranslational modifications might contribute to enhanced STAT5 activation in the context of transformation, but the strength and duration of pYSTAT5 are incompletely understood...
January 11, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28070988/renal-clearable-noble-metal-nanoparticles-photoluminescence-elimination-and-biomedical-applications
#8
REVIEW
Jing Xu, Chuanqi Peng, Mengxiao Yu, Jie Zheng
Metal nanoparticles have demonstrated broad and promising biomedical applications in research laboratories, but how to fulfill their promises in the clinical practices demands extensive effort to minimize their non-specific accumulation in the body. In the past 6 years, we have developed a class of renal clearable noble metal nanoparticles with tunable visible and near-infrared emission, which can behave like small molecular contrast agents to be effectively eliminated through the kidneys. By taking advantage of the unique clearance pathway, we were able to gain some fundamental understanding of how engineering nanoparticles cleared out of the body through urinary system...
January 10, 2017: Wiley Interdisciplinary Reviews. Nanomedicine and Nanobiotechnology
https://www.readbyqxmd.com/read/28065178/investigating-the-role-of-anticipatory-reward-and-habit-strength-in-obsessive-compulsive-disorder
#9
Gabriela M Ferreira, Murat Yücel, Andrew Dawson, Valentina Lorenzetti, Leonardo F Fontenelle
: Aims To determine the rates and associated illness characteristics of obsessive-compulsive disorder (OCD) patients who describe their symptoms as either rewarding or habitual. METHODS: Seventy-three treatment-seeking OCD patients had their dominant compulsive behavior assessed with a structured interview (the Temporal Impulsive-Compulsive Scale-Revised) to track the progression of rewarding (ie, gain in positive affect), aversive (ie, decrease in negative affect), and neutral (or non-affective) states and a self-report scale (the Self-Report Habit Index) to evaluate their habitual features...
January 9, 2017: CNS Spectrums
https://www.readbyqxmd.com/read/28063882/mice-lacking-grip1-2-show-increased-social-interactions-and-enhanced-phosphorylation-at-glua2-s880
#10
Mei Han, Rebeca Mejias, Shu-Ling Chiu, Rebecca Rose, Abby Adamczyk, Richard Huganir, Tao Wang
Glutamate receptor interacting proteins 1 and 2 (GRIP1/2) play an important role in regulating synaptic trafficking of AMPA receptor 2/3 (GluA2/3) and synaptic strength. Gain-of-function GRIP1 mutations are implicated in social behavioral deficits in autism. To study mechanisms of Grip1/2-mediated AMPA signaling in the regulation of social behaviors, we performed social behavioral testing on neuron-specific Grip1/2-double knockout (DKO) and wild type (WT) mice that are matched for age, sex, and strain background...
January 4, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28062376/a-biotin-enrichment-strategy-identifies-novel-carbonylated-amino-acids-in-proteins-from-human-plasma
#11
Jesper F Havelund, Katarzyna Wojdyla, Michael J Davies, Ole N Jensen, Ian Max Møller, Adelina Rogowska-Wrzesinska
: Protein carbonylation is an irreversible protein oxidation correlated with oxidative stress, various diseases and ageing. Here we describe a peptide-centric approach for identification and characterisation of up to 14 different types of carbonylated amino acids in proteins. The modified residues are derivatised with biotin-hydrazide, enriched and characterised by tandem mass spectrometry. The strength of the method lies in an improved elution of biotinylated peptides from monomeric avidin resin using hot water (95°C) and increased sensitivity achieved by reduction of analyte losses during sample preparation and chromatography...
January 3, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28061427/municipal-waste-liquor-treatment-via-bioelectrochemical-and-fermentation-h2%C3%A2-%C3%A2-ch4-processes-assessment-of-various-technological-sequences
#12
Tamás Rózsenberszki, László Koók, Péter Bakonyi, Nándor Nemestóthy, Washington Logroño, Mario Pérez, Gladys Urquizo, Celso Recalde, Róbert Kurdi, Attila Sarkady
In this paper, the anaerobic treatment of a high organic-strength wastewater-type feedstock, referred as the liquid fraction of pressed municipal solid waste (LPW) was studied for energy recovery and organic matter removal. The processes investigated were (i) dark fermentation to produce biohydrogen, (ii) anaerobic digestion for biogas formation and (iii) microbial fuel cells for electrical energy generation. To find a feasible alternative for LPW treatment (meeting the two-fold aims given above), various one- as well as multi-stage processes were tested...
December 23, 2016: Chemosphere
https://www.readbyqxmd.com/read/28054322/creatine-loading-does-not-preserve-muscle-mass-or-strength-during-leg-immobilization-in-healthy-young-males-a-randomized-controlled-trial
#13
Evelien M P Backx, Roland Hangelbroek, Tim Snijders, Marie-Louise Verscheijden, Lex B Verdijk, Lisette C P G M de Groot, Luc J C van Loon
BACKGROUND: A short period of leg immobilization leads to rapid loss of muscle mass and strength. Creatine supplementation has been shown to increase lean body mass in active individuals and can be used to augment gains in muscle mass and strength during prolonged resistance-type exercise training. OBJECTIVE: Our objective was to investigate whether creatine loading can attenuate the loss of muscle mass and strength during short-term leg immobilization. METHODS: Healthy young men (n = 30; aged 23 ± 1 years; body mass index [BMI] 23...
January 5, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28046516/we-ab-207a-03-a-cbct-head-scanner-for-point-of-care-imaging-of-intracranial-hemorrhage
#14
J Xu, A Sisniega, W Zbijewski, H Dang, J Stayman, X Wang, D Foos, N Aygun, V Koliatsos, J Siewerdsen
PURPOSE: This work reports the design, development, and first technical assessment of a cone-beam CT (CBCT) scanner developed specifically for imaging of acute intracranial hemorrhage (ICH) at the point of care, with target applications in diagnosis and monitoring of traumatic brain injury, stroke, and postsurgical hemorrhage. METHODS: System design employed a task-based image quality model to quantify the influence of factors such as additive noise and high-gain (HG) detector readout on ICH detectability...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28044261/cognitive-development-in-a-young-child-with-mucolipidosis-type-iv-a-case-report
#15
Evelyn L Fisher, Rose A Sevcik, MaryAnn Romski
Mucolipidosis Type IV (ML IV) is an autosomal recessive genetic disorder characterized by severe psychomotor impairments and ophthalmologic abnormalities. Reports on the cognitive development of people with ML IV are limited, but suggest that achievement of language and cognitive milestones varies between a 3- and 18-month level. There is also variability in reports of whether people with ML IV make developmental progress, regress, or remain static after infancy. This study examines the longitudinal development of a young child with ML IV who participated in an augmentative and alternative communication (AAC) intervention...
January 3, 2017: JIMD Reports
https://www.readbyqxmd.com/read/28040939/design-and-characterization-of-microstrip-based-e-field-sensor-for-gsm-and-umts-frequency-bands
#16
N Narang, S K Dubey, P S Negi, V N Ojha
An Electric (E-) field sensor based on coplanar waveguide-fed microstrip antenna to measure E-field strength for dual-band operation at 914 MHz and 2.1 GHz is proposed, designed, and characterized. The parametric optimization of the design has been performed to obtain resonance at global system for mobile communication and universal mobile telecommunication system frequency band. Low return loss (-17 dB and -19 dB), appropriate gain (0.50 dB and 1.55 dB), and isotropic behaviour (directivity ∼ 1 dB), respectively, at 914 MHz and 2...
December 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/28040360/partial-thickness-scalds-in-children-a-comparison-of-different-treatment-strategies
#17
E de Graaf, M E van Baar, M G A Baartmans, S M H J Scholten-Jaegers, M K Nieuwenhuis, J Eshuis, J Hiddingh, G I J M Beerthuizen, C H van der Vlies
AIM: The aim of this study was to compare the clinical outcomes of different treatment strategies for children with partial-thickness scalds at two burn centers. At the first burn center, these burns were treated with a hydrofiber dressing (Aquacel(®), Convatec, Inc.(®), Princeton, NJ, USA) or silver sulfadiazine (SSD, Flammazine(®), Sinclair IS Pharma, London, UK Pharmaceuticals), while at the second burn center, cerium nitrate-silver sulfadiazine (CN-SSD, Flammacerium(®), Sinclair IS Pharma, London, UK Pharmaceuticals) was used...
December 28, 2016: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28038344/application-based-on-the-canny-edge-detection-algorithm-for-recording-contractions-of-isolated-cardiac-myocytes
#18
Jair Trapé Goulart, Rosana Almada Bassani, José Wilson Magalhães Bassani
BACKGROUND AND OBJECTIVE: The isolated cardiomyocyte preparation is amenable to several experimental approaches not suitable to the myocardial tissue, which has allowed the gain of important information on the pathophysiology of the cardiac muscle. Thus, the development of techniques for functional studies in this preparation is important. The goal of the present study was to develop a computer program to extract contraction traces generated by cyclic cell shortening from cardiomyocyte video image files...
December 21, 2016: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28034973/opioid-induced-constipation-and-bowel-dysfunction-a-clinical-guideline
#19
Stefan Müller-Lissner, Gabrio Bassotti, Benoit Coffin, Asbjørn Mohr Drewes, Harald Breivik, Elon Eisenberg, Anton Emmanuel, Françoise Laroche, Winfried Meissner, Bart Morlion
OBJECTIVE:  To formulate timely evidence-based guidelines for the management of opioid-induced bowel dysfunction. SETTING:  Constipation is a major untoward effect of opioids. Increasing prescription of opioids has correlated to increased incidence of opioid-induced constipation. However, the inhibitory effects of opioids are not confined to the colon, but also affect higher segments of the gastrointestinal tract, leading to the coining of the term "opioid-induced bowel dysfunction...
December 29, 2016: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28032435/effects-of-rest-intervals-and-training-loads-on-metabolic-stress-and-muscle-hypertrophy
#20
Julius Fink, Naoki Kikuchi, Koichi Nakazato
We investigated the effects of volume-matched resistance training (RT) with different training loads and rest intervals on acute responses and long-term muscle and strength gains. Ten subjects trained with short rest (30 s) combined with low load (20 RM) (SL) and ten subjects performed the same protocol with long rest (3 min) and high load (8 RM) (LH). Cross-sectional area (CSA) of the upper arm was measured by magnetic resonance imaging before and after 8 weeks of training. Acute stress markers such as growth hormone (GH) and muscle thickness (MT) changes have been assessed pre and post a single RT session...
December 28, 2016: Clinical Physiology and Functional Imaging
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