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https://www.readbyqxmd.com/read/29223073/evidence-for-pain-attenuation-by-the-motor-system-based-judgment-of-agency
#1
N Karsh, O Goldstein, B Eitam
Pain is an integral part of our lives. Although the effect of 'control' on sensed pain has been extensively studied and discussed, recent findings seem to be at odds with the substantial evidence for a robust motor-based sensory attenuation effect - an indirect marker for one's sense of agency. The goal of the current study was to re-examine whether there is evidence for such an effect in the context of pain. In three experiments, human participants were aversively stimulated and the sensitivity of self-reported pain to factors previously shown to modulate the sensory attenuation effect was tested (control over parameters of the stimulation; temporal contiguity and predictability, and stimulation intensity)...
December 6, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/29223016/application-of-single-nucleotide-extension-and-maldi-tof-mass-spectrometry-in-proofreading-and-dna-repair-assay
#2
Kang-Yi Su, Hung-Ming Lai, Steven D Goodman, Wei-Yao Hu, Wern-Cherng Cheng, Liang-In Lin, Ya-Chien Yang, Woei-Horng Fang
Proofreading and DNA repair are important factors in maintaining the high fidelity of genetic information during DNA replication. Herein, we designed a non-labeled and non-radio-isotopic simple method to measure proofreading. An oligonucleotide primer is annealed to a template DNA forming a mismatched site and is proofread by Klenow fragment of Escherichia coli DNA polymerase I (pol I) in the presence of all four dideoxyribonucleotide triphosphates. The proofreading excision products and re-synthesis products of single nucleotide extension are subjected to MALDI-TOF mass spectrometry (MS)...
December 2, 2017: DNA Repair
https://www.readbyqxmd.com/read/29222935/risk-factors-for-positive-resection-margins-of-breast-cancer-tumorectomy-specimen-following-breast-conserving-surgery
#3
Niko Heiss, Valentin Rousson, Assia Ifticene-Treboux, Hans-Anton Lehr, Jean-François Delaloye
Background The aim of the study was to identify risk factors for positive surgical margins in breast-conserving surgery for breast cancer and to evaluate the influence of surgical experience in obtaining complete resection. Methods All lumpectomies for invasive breast carcinoma and ductal carcinoma in situ (DCIS) between April 2008 and March 2010 were selected from the database of a single institution. Re-excision rates for positive margins as well as patient and histopathologic tumor characteristics were analyzed...
December 9, 2017: Hormone Molecular Biology and Clinical Investigation
https://www.readbyqxmd.com/read/29222852/free-breathing-whole-heart-3d-cine-magnetic-resonance-imaging-with-prospective-respiratory-motion-compensation
#4
Mehdi H Moghari, Ashita Barthur, Maria E Amaral, Tal Geva, Andrew J Powell
PURPOSE: To develop and validate a new prospective respiratory motion compensation algorithm for free-breathing whole-heart 3D cine steady-state free precession (SSFP) imaging. METHODS: In a 3D cine SSFP sequence, 4 excitations per cardiac cycle are re-purposed to prospectively track heart position. Specifically, their 1D image is reconstructed and routed into the scanner's standard diaphragmatic navigator processing system. If all 4 signals are in end-expiration, cine image data from the entire cardiac cycle is accepted for image reconstruction...
December 8, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/29222849/bone-marrow-transplantation-improves-motor-activity-in-a-mouse-model-of-ataxia
#5
David Díaz, Marina Piquer-Gil, Javier Sánchez Recio, María Magdalena Martínez-Losa, José Ramón Alonso, Eduardo Weruaga, Manuel Álvarez-Dolado
Ataxias are locomotor disorders that can have an origin both neural and muscular, although both impairments are related. Unfortunately, ataxia has no cure and the current therapies are aimed at motor re-education or muscular reinforcement. Nevertheless, cell therapy is becoming a promising approach to deal with incurable neural diseases, including neuro-muscular ataxias. Here we have used a model of ataxia, the PCD mutant mouse, to study the effect of healthy (wild-type) bone marrow transplantation on the restoration of defective mobility...
December 8, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/29222748/analyzing-and-designing-cell-factories-with-optflux
#6
Paulo Vilaça, Paulo Maia, Hugo Giesteira, Isabel Rocha, Miguel Rocha
OptFlux was launched in 2010 as the first open-source and user-friendly platform containing all the major methods for performing metabolic engineering tasks in silico. Main features included the possibility of performing microbial strain simulations with widely used methods such as Flux Balance Analysis and strain design using Evolutionary Algorithms. Since then, OptFlux suffered a major re-factoring to improve its efficiency and reliability, while many features were added in the form of novel plug-ins, such as the BioVisualizer and the over/under expression plug-ins...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29222711/%C3%A3-gro-survey-on-radiotherapy-capacity-in-austria-status-quo-and-estimation-of-future-demands
#7
Brigitte Zurl, Anja Bayerl, Alexander De Vries, Hans Geinitz, Robert Hawliczek, Tomas-Henrik Knocke-Abulesz, Peter Lukas, Richard Pötter, Wolfgang Raunik, Brigitte Scholz, Annemarie Schratter-Sehn, Felix Sedlmayer, Dietmar Seewald, Edgar Selzer, Karin S Kapp
BACKGROUND: A comprehensive evaluation of the current national and regional radiotherapy capacity in Austria with an estimation of demands for 2020 and 2030 was performed by the Austrian Society for Radiation Oncology, Radiobiology and Medical Radiophysics (ÖGRO). MATERIALS AND METHODS: All Austrian centers provided data on the number of megavoltage (MV) units, treatment series, fractions, percentage of retreatments and complex treatment techniques as well as the daily operating hours for the year 2014...
December 8, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/29222677/diagnostic-evaluation-of-magnetization-transfer-and-diffusion-kurtosis-imaging-for-prostate-cancer-detection-in-a-re-biopsy-population
#8
Tristan Barrett, Mary McLean, Andrew N Priest, Edward M Lawrence, Andrew J Patterson, Brendan C Koo, Ilse Patterson, Anne Y Warren, Andrew Doble, Vincent J Gnanapragasam, Christof Kastner, Ferdia A Gallagher
OBJECTIVE: To evaluate diffusion kurtosis imaging (DKI) and magnetisation transfer imaging (MTI) compared to standard MRI for prostate cancer assessment in a re-biopsy population. METHODS: Thirty-patients were imaged at 3 T including DKI (Kapp and Dapp) with b-values 150/450/800/1150/1500 s/mm2 and MTI performed with and without MT saturation. Patients underwent transperineal biopsy based on prospectively defined MRI targets. Receiver-operating characteristic (ROC) analyses assessed the parameters and Wilcoxon-signed ranked test assessed relationships between metrics...
December 8, 2017: European Radiology
https://www.readbyqxmd.com/read/29222630/-there-s-so-much-to-it-the-ways-physiotherapy-students-and-recent-graduates-experience-practice
#9
S Barradell, T Peseta, S Barrie
Health science courses aim to prepare students for the demands of their chosen profession by learning ways appropriate to that profession and the contexts they will work and live in. Expectations of what students should learn become re-contextualised and translated into entry-level curriculum, with students operating as a connection between what is intended and enacted in curriculum, and required in the real world. Drawing on phenomenology, this paper explores how students understand practice-the collective, purposeful knowing, doing and being of a community-in entry-level physiotherapy programs...
December 8, 2017: Advances in Health Sciences Education: Theory and Practice
https://www.readbyqxmd.com/read/29222491/exploring-biased-attention-towards-body-related-stimuli-and-its-relationship-with-body-awareness
#10
Gerardo Salvato, Gabriele De Maio, Gabriella Bottini
Stimuli of great social relevance exogenously capture attention. Here we explored the impact of body-related stimuli on endogenous attention. Additionally, we investigate the influence of internal states on biased attention towards this class of stimuli. Participants were presented with a body, face, or chair cue to hold in memory (Memory task) or to merely attend (Priming task) and, subsequently, they were asked to find a circle in an unrelated visual search task. In the valid condition, the circle was flanked by the cue...
December 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29222427/exceptional-increase-in-the-creep-life-of-magnesium-rare-earth-alloys-due-to-localized-bond-stiffening
#11
Deep Choudhuri, Srivilliputhur G Srinivasan, Mark A Gibson, Yufeng Zheng, David L Jaeger, Hamish L Fraser, Rajarshi Banerjee
Several recent papers report spectacular, and unexpected, order of magnitude improvement in creep life of alloys upon adding small amounts of elements like zinc. This microalloying effect raises fundamental questions regarding creep deformation mechanisms. Here, using atomic-scale characterization and first principles calculations, we attribute the 600% increase in creep life in a prototypical Mg-rare earth (RE)-Zn alloy to multiple mechanisms caused by RE-Zn bonding-stabilization of a large volume fraction of strengthening precipitates on slip planes, increase in vacancy diffusion barrier, reduction in activated cross-slip, and enhancement of covalent character and bond strength around Zn solutes along the c-axis of Mg...
December 8, 2017: Nature Communications
https://www.readbyqxmd.com/read/29222400/nkg2d-based-car-t-cells-and-radiotherapy-exert-synergistic-efficacy-in-glioblastoma
#12
Tobias Weiss, Michael Weller, Matthias Guckenberger, Charles L Sentman, Patrick Roth
Chimeric antigen receptor (CAR) T cell therapy is an emerging immunotherapy against several malignancies including glioblastoma, the most common and most aggressive malignant primary brain tumor in adults. The challenges in solid tumor immunotherapy comprise heterogenously expressed tumor target antigens and restricted trafficking of CAR T cells to and impaired long-term persistence at the tumor site, as well as the unaddressed integration of CAR T cell therapy into conventional anti-cancer treatments. We addressed these questions using a NKG2D-based chimeric antigen receptor construct (chNKG2D) in fully immunocompetent orthotopic glioblastoma mouse models...
December 8, 2017: Cancer Research
https://www.readbyqxmd.com/read/29221992/active-mediated-transport-of-chloramphenicol-and-thiamphenicol-in-a-calu-3-lung-epithelial-cell-model
#13
S N Nurbaeti, J C Olivier, C Adier, S Marchand, W Couet, J Brillault
Pulmonary administration enables high local concentrations along with limited systemic side-effects, but not all ATB could be good candidates. In this perspective, diffusion of the ATB chloramphenicol (CHL) and thiamphenicol (THA) through the lung has been evaluated to re-assess their potential for pulmonary administration. The apparent permeability (Papp) was evaluated with the Calu-3 cell model. Influence of drug transporters was assessed with the PSC-833, MK-571, and KO-143 inhibitors. The influence of CHL and THA on the cell uptake of rhodamin123 and fluorescein was also evaluated...
December 5, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29221977/re-examining-factors-associated-with-mortality-after-heart-transplantation-a-focus-on-recipient-age-and-relative-pulmonary-hypertension
#14
EDITORIAL
Daniel Bolliger, Stefaan Bouchez, Eckhard Mauermann
No abstract text is available yet for this article.
November 4, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29221839/cementless-one-stage-revision-in-chronic-periprosthetic-hip-joint-infection-ninety-one-percent-infection-free-survival-in-56-patients-at-minimum-2-year-follow-up
#15
Jeppe Lange, Anders Troelsen, Søren Solgaard, Kristian S Otte, Niels K Jensen, Kjeld Søballe
BACKGROUND: Cementless 1-stage revision in chronic periprosthetic hip joint infections is limited evaluated. The purpose of this study was to evaluate a specific treatment protocol in this patient group. METHODS: The study was performed as a multicenter, proof-of-concept, observational study with prospective data collection. Patients were treated with a cementless 1-stage revision according to the CORIHA protocol between 2009 and 2014. Fifty-six patients, McPherson type III-A/B-1/2, were enrolled with a mean follow-up time from the CORIHA procedure of 4 years (minimum of 2 years)...
November 22, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29221671/population-based-risk-factors-for-shoulder-dystocia
#16
Palmira Santos, Jennifer Gaudet Hefele, Grant Ritter, Jennifer Darden, Cassandra Firneno, Ann Hendrich
OBJECTIVE: To re-examine the risk factors for shoulder dystocia given the increasing rates of obesity and diabetes in pregnant women. DESIGN: Retrospective observational study. SETTING: Five hospitals located in Wisconsin, Florida, Maryland, Michigan, and Alabama. PARTICIPANTS: We evaluated 19,236 births that occurred between April 1, 2011, and July 25, 2013. METHODS: Data were collected from electronic medical records and used to evaluate the risk of shoulder dystocia...
December 5, 2017: Journal of Obstetric, Gynecologic, and Neonatal Nursing: JOGNN
https://www.readbyqxmd.com/read/29221661/re-comprehensive-molecular-characterization-of-muscle-invasive-bladder-cancer
#17
Marcus G Cumberbatch, James W F Catto
No abstract text is available yet for this article.
December 5, 2017: European Urology
https://www.readbyqxmd.com/read/29221660/re-stromal-gene-expression-is-predictive-for-metastatic-primary-prostate-cancer
#18
Liang Dong, Kenneth J Pienta
No abstract text is available yet for this article.
December 5, 2017: European Urology
https://www.readbyqxmd.com/read/29221656/z-effect-after-intramedullary-nailing-systems-for-trochanteric-femur-fractures
#19
S J M Smeets, G Kuijt, P V van Eerten
PURPOSE: The aim of this study was to investigate the incidence of Z-effect after dual lag screw intramedullary nailing systems and risk factors contributing to this effect. We hypothesized that long nails provide more neck strength due to a longer lever than short nails and are therefore less likely to develop a misbalance of a higher head compressive strength than neck compressive strength. METHODS: In this retrospective cohort study 103 patients treated operatively with a dual lag screw intramedullary nailing device for (sub)trochanteric hip fracture were included...
September 27, 2017: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/29221416/identification-of-a-new-low-energy-1u-state-in-dicopper-with-resonant-four-wave-mixing
#20
B Visser, M Beck, P Bornhauser, G Knopp, J A van Bokhoven, R Marquardt, C Gourlaouen, P P Radi
The low energy electronic structure of the copper dimer has been re-investigated using non-linear four-wave mixing spectroscopy and high level ab initio calculations. In addition to the measurement of the previously reported A, B, and C electronic states, a new state denoted A' is identified with T0 = 20 100.4090(16) cm-1 (63Cu2). Rotational analysis of the A'-X (0,0) and (1,0) transitions leads to the assignment of A' 1u. Ab initio calculations present the first theoretical description of the low energy states of the copper dimer in Hund's case (c) and confirm the experimental assignment...
December 7, 2017: Journal of Chemical Physics
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