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https://www.readbyqxmd.com/read/27913559/physical-activity-as-intervention-for-age-related-loss-of-muscle-mass-and-function-protocol-for-a-randomised-controlled-trial-the-lisa-study
#1
Christian Skou Eriksen, Ellen Garde, Nina Linde Reislev, Cathrine Lawaetz Wimmelmann, Theresa Bieler, Andreas Kraag Ziegler, Anne Theil Gylling, Kasper Juel Dideriksen, Hartwig Roman Siebner, Erik Lykke Mortensen, Michael Kjaer
INTRODUCTION: Physical and cognitive function decline with age, accelerating during the 6th decade. Loss of muscle power (force×velocity product) is a dominant physical determinant for loss of functional ability, especially if the lower extremities are affected. Muscle strength training is known to maintain or even improve muscle power as well as physical function in older adults, but the optimal type of training for beneficial long-term training effects over several years is unknown...
December 2, 2016: BMJ Open
https://www.readbyqxmd.com/read/27911839/identifying-species-of-symbiont-bacteria-from-the-human-gut-that-alone-can-induce-intestinal-th17-cells-in-mice
#2
Tze Guan Tan, Esen Sefik, Naama Geva-Zatorsky, Lindsay Kua, Debdut Naskar, Fei Teng, Lesley Pasman, Adriana Ortiz-Lopez, Ray Jupp, Hsin-Jung Joyce Wu, Dennis L Kasper, Christophe Benoist, Diane Mathis
Th17 cells accrue in the intestine in response to particular microbes. In rodents, segmented filamentous bacteria (SFB) induce intestinal Th17 cells, but analogously functioning microbes in humans remain undefined. Here, we identified human symbiont bacterial species, in particular Bifidobacterium adolescentis, that could, alone, induce Th17 cells in the murine intestine. Similar to SFB, B. adolescentis was closely associated with the gut epithelium and engendered cognate Th17 cells without attendant inflammation...
November 23, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27911786/geometry-induced-sequence-of-nanoscale-frank-kasper-and-quasicrystal-mesophases-in-giant-surfactants
#3
Kan Yue, Mingjun Huang, Ryan L Marson, Jinlin He, Jiahao Huang, Zhe Zhou, Jing Wang, Chang Liu, Xuesheng Yan, Kan Wu, Zaihong Guo, Hao Liu, Wei Zhang, Peihong Ni, Chrys Wesdemiotis, Wen-Bin Zhang, Sharon C Glotzer, Stephen Z D Cheng
Frank-Kasper (F-K) and quasicrystal phases were originally identified in metal alloys and only sporadically reported in soft materials. These unconventional sphere-packing schemes open up possibilities to design materials with different properties. The challenge in soft materials is how to correlate complex phases built from spheres with the tunable parameters of chemical composition and molecular architecture. Here, we report a complete sequence of various highly ordered mesophases by the self-assembly of specifically designed and synthesized giant surfactants, which are conjugates of hydrophilic polyhedral oligomeric silsesquioxane cages tethered with hydrophobic polystyrene tails...
November 28, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27910803/the-prognostic-and-predictive-value-of-tmprss2-erg-gene-fusion-and-erg-protein-expression-in-prostate-cancer-biopsies
#4
Kasper Drimer Berg
BACKGROUND: The clinical course of prostate carcinoma (PCa) is very heterogeneous. Consequently, a personalised approach for risk stratification and treatment planning is important. Recently, it has become evident that PCa, also at the genomic level, is heterogeneous. An early and common alteration is the gene fusion between the transmembrane protease serine 2 (TMPRSS2) gene and the v-ets avian erythroblastosis virus E26 oncogene homolog (ERG) gene resulting in expression of the oncoprotein ERG...
December 2016: Danish Medical Journal
https://www.readbyqxmd.com/read/27909009/association-of-protein-distribution-and-gene-expression-revealed-by-pet-and-post-mortem-quantification-in-the-serotonergic-system-of-the-human-brain
#5
A Komorowski, G M James, C Philippe, G Gryglewski, A Bauer, M Hienert, M Spies, A Kautzky, T Vanicek, A Hahn, T Traub-Weidinger, D Winkler, W Wadsak, M Mitterhauser, M Hacker, S Kasper, R Lanzenberger
Regional differences in posttranscriptional mechanisms may influence in vivo protein densities. The association of positron emission tomography (PET) imaging data from 112 healthy controls and gene expression values from the Allen Human Brain Atlas, based on post-mortem brains, was investigated for key serotonergic proteins. PET binding values and gene expression intensities were correlated for the main inhibitory (5-HT1A) and excitatory (5-HT2A) serotonin receptor, the serotonin transporter (SERT) as well as monoamine oxidase-A (MAO-A), using Spearman's correlation coefficients (rs) in a voxel-wise and region-wise analysis...
November 30, 2016: Cerebral Cortex
https://www.readbyqxmd.com/read/27908679/skin-surface-brachytherapy-a-survey-of-contemporary-practice-patterns
#6
Anna O Likhacheva, Phillip M Devlin, Shervin M Shirvani, Christopher A Barker, Phillip Beron, Ajay Bhatnagar, Stephen W Doggett, Lawrence Hochman, Charles Hsu, Michael Kasper, Martin Keisch, Subhakar Mutyala, Bradley Prestidge, Silvia Rodriguez Villalba, Vershalee Shukla, Srinath Sundararaman, Mitchell Kamrava
PURPOSE: The aim of this study was to define current patterns of care among radiation oncologists who use skin surface brachytherapy for the treatment of cutaneous squamous cell carcinoma (cSCC) and basal cell carcinoma (BCC) in academic and community settings. METHODS AND MATERIALS: A 30-question electronic survey was administered to clinician members of the American Brachytherapy Society. The respondents were asked to provide details regarding their clinical practice and their approach to skin surface brachytherapy...
November 28, 2016: Brachytherapy
https://www.readbyqxmd.com/read/27906200/evaluating-the-quality-of-marfan-genotype-phenotype-correlations-in-existing-fbn1-databases
#7
Kristian A Groth, Yskert Von Kodolitsch, Kerstin Kutsche, Mette Gaustadnes, Kasper Thorsen, Niels H Andersen, Claus H Gravholt
BACKGROUND: Genetic FBN1 testing is pivotal for confirming the clinical diagnosis of Marfan syndrome. In an effort to evaluate variant causality, FBN1 databases are often used. We evaluated the current databases regarding FBN1 variants and validated associated phenotype records with a new Marfan syndrome geno-phenotyping tool called the Marfan score. METHODS AND RESULTS: We evaluated four databases (UMD-FBN1, ClinVar, the Human Gene Mutation Database (HGMD), and Uniprot) containing 2,250 FBN1 variants supported by 4,904 records presented in 307 references...
December 1, 2016: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/27903096/pregabalin-in-tourette-s-syndrome-a-case-series
#8
Marius Hienert, Ana Weidenauer, Christoph Kraus, Matthaeus Willeit, Siegfried Kasper, Mara Stamenkovic
No abstract text is available yet for this article.
December 1, 2016: American Journal of Psychiatry
https://www.readbyqxmd.com/read/27899065/comparison-of-self-reported-and-performance-based-measures-of-functional-ability-in-elderly-patients-in-an-emergency-department-implications-for-selection-of-clinical-outcome-measures
#9
Louise M Nielsen, Hans Kirkegaard, Lisa G Østergaard, Karina Bovbjerg, Kasper Breinholt, Thomas Maribo
BACKGROUND: Assessment of functional ability in elderly patients is often based on self-reported rather than performance-based measures. This study aims to compare self-reported and performance-based measures of functional ability in a population of elderly patients at an emergency department (ED). METHODS: Participants were 61 patients aged 65 years and above admitted to an ED. The self-reported measure used was the Barthel-20; the performance-based measures were Timed Up and Go (TUG); 30s-Chair Stand Test (30s-CST) and Assessment of Motor and Process Skills (AMPS) with the two scales; motor and process...
November 29, 2016: BMC Geriatrics
https://www.readbyqxmd.com/read/27894527/accuracy-and-mechanical-properties-of%C3%A2-orthodontic-models-printed-3-dimensionally-from-calcium-sulfate-before-and-after-various-postprinting-treatments
#10
Austin D Ledingham, Jeryl D English, Sercan Akyalcin, Benjamin E Cozad, Joe C Ontiveros, F Kurtis Kasper
INTRODUCTION: Dental models fabricated with 3-dimensional printing technologies are revolutionizing the practice of orthodontics, but they generally comprise polymeric materials that may not be suitable for certain applications, such as soldering appliances. The objective of this study was to investigate the dimensional accuracy and mechanical properties of 3-dimensional printed ceramic-based models before and after various treatments intended to improve their mechanical properties. METHODS: Thirty identical models were printed 3-dimensionally from a calcium sulfate-based substrate and divided into 3 groups for treatment: high heat (250°C for 30 minutes), low heat (150°C for 30 minutes), and Epsom salt treatment...
December 2016: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/27893557/changes-in-upper-airway-volume-following-orthognathic-surgery
#11
Lillian Marcussen, Kasper Stokbro, Esben Aagaard, Peter Torkov, Torben Thygesen
Reduced volume of the internal skeletal dimensions of the face is 1 of the main causes of obstructive sleep apnea, and attention to patients' airways is necessary when planning orthognathic treatment. This study aims to describe changes in upper airway volume following virtually planned orthognathic surgery.A retrospective pilot study was designed with 30 randomly selected patients (10 men and 20 women, aged 23.1 ± 6.8 years, molar-relations: 15 neutral, 8 distal, and 7 mesial). Cone-beam computed tomography scans were performed before surgery and 1 week following surgery...
November 23, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27893043/appropriate-use-of-high-sensitivity-cardiac-troponin-levels-in-patients-with-suspected-acute-myocardial-infarction
#12
Kasper Glerup Lauridsen, Jesper Revsholm, Bo Løfgren
No abstract text is available yet for this article.
November 23, 2016: JAMA Cardiology
https://www.readbyqxmd.com/read/27892958/a-scored-human-protein-protein-interaction-network-to-catalyze-genomic-interpretation
#13
Taibo Li, Rasmus Wernersson, Rasmus B Hansen, Heiko Horn, Johnathan Mercer, Greg Slodkowicz, Christopher T Workman, Olga Rigina, Kristoffer Rapacki, Hans H Stærfeldt, Søren Brunak, Thomas S Jensen, Kasper Lage
Genome-scale human protein-protein interaction networks are critical to understanding cell biology and interpreting genomic data, but challenging to produce experimentally. Through data integration and quality control, we provide a scored human protein-protein interaction network (InWeb_InBioMap, or InWeb_IM) with severalfold more interactions (>500,000) and better functional biological relevance than comparable resources. We illustrate that InWeb_InBioMap enables functional interpretation of >4,700 cancer genomes and genes involved in autism...
November 28, 2016: Nature Methods
https://www.readbyqxmd.com/read/27892598/a-novel-substrate-for-multisensor-hyperspectral-imaging
#14
J Ofner, J Kirschner, E Eitenberger, G Friedbacher, A Kasper-Giebl, H Lohninger, C Eisenmenger-Sittner, B Lendl
The quality of chemical imaging, especially multisensor hyperspectral imaging, strongly depends on sample preparation techniques and instrumental infrastructure but also on the choice of an appropriate imaging substrate. To optimize the combined imaging of Raman microspectroscopy, scanning-electron microscopy and energy-dispersive X-ray spectroscopy, a novel substrate was developed based on sputtering of highly purified aluminium onto classical microscope slides. The novel aluminium substrate overcomes several disadvantages of classical substrates like impurities of the substrate material and contamination of the surface as well as surface roughness and homogeneity...
November 28, 2016: Journal of Microscopy
https://www.readbyqxmd.com/read/27892472/atomistic-characterization-of-the-active-site-solvation-dynamics-of-a-model-photocatalyst
#15
Tim B van Driel, Kasper S Kjær, Robert W Hartsock, Asmus O Dohn, Tobias Harlang, Matthieu Chollet, Morten Christensen, Wojciech Gawelda, Niels E Henriksen, Jong Goo Kim, Kristoffer Haldrup, Kyung Hwan Kim, Hyotcherl Ihee, Jeongho Kim, Henrik Lemke, Zheng Sun, Villy Sundström, Wenkai Zhang, Diling Zhu, Klaus B Møller, Martin M Nielsen, Kelly J Gaffney
The interactions between the reactive excited state of molecular photocatalysts and surrounding solvent dictate reaction mechanisms and pathways, but are not readily accessible to conventional optical spectroscopic techniques. Here we report an investigation of the structural and solvation dynamics following excitation of a model photocatalytic molecular system [Ir2(dimen)4](2+), where dimen is para-diisocyanomenthane. The time-dependent structural changes in this model photocatalyst, as well as the changes in the solvation shell structure, have been measured with ultrafast diffuse X-ray scattering and simulated with Born-Oppenheimer Molecular Dynamics...
November 28, 2016: Nature Communications
https://www.readbyqxmd.com/read/27891830/a-randomized-trial-examining-the-impact-of-communicating-genetic-and-lifestyle-risks-for-obesity
#16
Catharine Wang, Erynn S Gordon, Tricia Norkunas, Lisa Wawak, Ching-Ti Liu, Michael Winter, Rachel S Kasper, Michael F Christman, Robert C Green, Deborah J Bowen
OBJECTIVE: Genetic testing for obesity is available directly to consumers, yet little is understood about its behavioral impact and its added value to nongenetic risk communication efforts based on lifestyle factors. METHODS: A randomized trial examined the short-term impact of providing personalized obesity risk information, using a 2 × 2 factorial design. Participants were recruited from the Coriell Personalized Medicine Collaborative (CPMC) and randomized to receive (1) no risk information (control), (2) genetic risk, (3) lifestyle risk, or (4) combined genetic/lifestyle risks...
December 2016: Obesity
https://www.readbyqxmd.com/read/27890228/tissue-engineered-prevascularized-bone-and-soft-tissue-flaps
#17
REVIEW
F Kurtis Kasper, James Melville, Jonathan Shum, Mark Wong, Simon Young
The complex shapes of skeletal components of the craniofacial region combined with the prominence of the face and paucity of overlying soft tissue create significant challenges for the reconstructive surgeon. The in vivo bioreactor strategy is a promising alternative to microvascular surgical techniques that combines tissue engineering principles with microvascular reconstructive techniques to create patient-specific, prevascularized bone flaps for reconstruction of complex maxillofacial defects. This article discusses the use of traditional vascularized bone flaps; preclinical studies using the in vivo bioreactor approach; case reports that have attempted this novel technique; and future challenges and considerations in the development of patient-specific, prevascularized bone flaps for maxillofacial reconstruction...
February 2017: Oral and Maxillofacial Surgery Clinics of North America
https://www.readbyqxmd.com/read/27889650/large-dose-hyperpolarized-water-with-dissolution-dnp-at-high-magnetic-field
#18
Kasper Wigh Lipsø, Sean Bowen, Oleksandr Rybalko, Jan Henrik Ardenkjær-Larsen
We demonstrate a method for the preparation of hyperpolarized water by dissolution Dynamic Nuclear Polarization at high magnetic field. Protons were polarized at 6.7T and 1.1K to >70% with frequency modulated microwave irradiation at 188GHz. 97.2±0.7% of the radical was extracted from the sample in the dissolution in a two-phase system. 16±1mL of 5.0M (1)H in D2O with a polarization of 13.0±0.9% in the liquid state was obtained, corresponding to an enhancement factor of 4000±300 compared to the thermal equilibrium at 9...
November 18, 2016: Journal of Magnetic Resonance
https://www.readbyqxmd.com/read/27886233/apparent-power-law-scaling-of-variable-range-hopping-conduction-in-carbonized-polymer-nanofibers
#19
Kyung Ho Kim, Samuel Lara-Avila, Hojin Kang, Hans He, Johnas Eklӧf, Sung Ju Hong, Min Park, Kasper Moth-Poulsen, Satoshi Matsushita, Kazuo Akagi, Sergey Kubatkin, Yung Woo Park
We induce dramatic changes in the structure of conducting polymer nanofibers by carbonization at 800 °C and compare charge transport properties between carbonized and pristine nanofibers. Despite the profound structural differences, both types of systems display power law dependence of current with voltage and temperature, and all measurements can be scaled into a single universal curve. We analyze our experimental data in the framework of variable range hopping and argue that this mechanism can explain transport properties of pristine polymer nanofibers as well...
November 25, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27884851/influence-of-preinfarction-angina-and-coronary-collateral-blood-flow-on-the-efficacy-of-remote-ischaemic-conditioning-in-patients-with-st-segment-elevation-myocardial-infarction-post-hoc-subgroup-analysis-of-a-randomised-controlled-trial
#20
Kasper Pryds, Morten Bøttcher, Astrid Drivsholm Sloth, Kim Munk, Michael Rahbek Schmidt, Hans Erik Bøtker
OBJECTIVES: Remote ischaemic conditioning (RIC) confers cardioprotection in patients with ST segment elevation myocardial infarction (STEMI) undergoing primary percutaneous coronary intervention (pPCI). We investigated whether preinfarction angina and coronary collateral blood flow (CCBF) to the infarct-related artery modify the efficacy of RIC. DESIGN: Post hoc subgroup analysis of a randomised controlled trial. PARTICIPANTS: A total of 139 patients with STEMI randomised to treatment with pPCI or RIC+pPCI...
November 24, 2016: BMJ Open
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