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https://www.readbyqxmd.com/read/28088111/psychometric-evaluation-of-the-generalized-anxiety-disorder-screener-gad-7-based-on-a-large-german-general-population-sample
#1
Andreas Hinz, Annette M Klein, Elmar Brähler, Heide Glaesmer, Tobias Luck, Steffi G Riedel-Heller, Kerstin Wirkner, Anja Hilbert
BACKGROUND: The Generalized Anxiety Disorder Scales GAD-7 and GAD-2 are instruments for the assessment of anxiety. The aims of this study are to test psychometric properties of these questionnaires, to provide normative values, and to investigate associations with sociodemographic factors, quality of life, psychological variables, and behavioral factors. METHODS: A German community sample (n=9721) with an age range of 18-80 years was surveyed using the GAD-7 and several other questionnaires...
December 18, 2016: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28088078/genetically-tailored-magnetosomes-used-as-mri-probe-for-molecular-imaging-of-brain-tumor
#2
M Boucher, F Geffroy, S Prévéral, L Bellanger, E Selingue, G Adryanczyk-Perrier, M Péan, C T Lefèvre, D Pignol, N Ginet, S Mériaux
We investigate here the potential of single step production of genetically engineered magnetosomes, bacterial biogenic iron-oxide nanoparticles embedded in a lipid vesicle, as a new tailorable magnetic resonance molecular imaging probe. We demonstrate in vitro the specific binding and the significant internalization into U87 cells of magnetosomes decorated with RGD peptide. After injection at the tail vein of glioblastoma-bearing mice, we evidence in the first 2 h the rapid accumulation of both unlabeled and functionalized magnetosomes inside the tumor by Enhanced Permeability and Retention effects...
December 19, 2016: Biomaterials
https://www.readbyqxmd.com/read/28088071/discrete-quasi-linear-viscoelastic-damping-analysis-of-connective-tissues-and-the-biomechanics-of-stretching
#3
Behzad Babaei, Aaron J Velasquez-Mao, Stavros Thomopoulos, Elliot L Elson, Steven D Abramowitch, Guy M Genin
The time- and frequency-dependent properties of connective tissue define their physiological function, but are notoriously difficult to characterize. Well-established tools such as linear viscoelasticity and the Fung quasi-linear viscoelastic (QLV) model impose forms on responses that can mask true tissue behavior. Here, we applied a more general discrete quasi-linear viscoelastic (DQLV) model to identify the static and dynamic time- and frequency-dependent behavior of rabbit medial collateral ligaments. Unlike the Fung QLV approach, the DQLV approach revealed that energy dissipation is elevated at a loading period of ∼10s...
December 22, 2016: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28088034/an-evaluation-of-nova-scotia-s-alcohol-ignition-interlock-program
#4
Ward G M Vanlaar, Marisela Mainegra Hing, Robyn D Robertson
Alcohol ignition interlock programs for offenders aim to reduce recidivism among convicted drink drivers. This study presents an evaluation of Nova Scotia's interlock program implemented in 2008 in order to assess its effectiveness to reduce impaired driving and to help identify areas for improvement. Data used include conviction and crash records of individual participants; provincial monthly counts of alcohol-related charges, convictions and fatal and serious crashes; and interlock logged events. Methods used include descriptive statistics, survival analysis, time series and logistic regression analysis...
January 11, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28088018/antibacterial-serine-protease-from-wrightia-tinctoria-purification-and-characterization
#5
Sakthivel Muthu, Venkatesh Babu Gopal, Selvakumar Soundararajan, Karthikeyan Nattarayan, Karthik S Narayan, Mythileeswari Lakshmikanthan, Sathuvan Malairaj, Palani Perumal
A serine protease was purified from the leaves of Wrightia tinctoria by sequential flow through method comprising screening, optimization, ammonium sulfate precipitation, gel filtration and ion exchange column chromatography. The yield and purification fold obtained were 11.58% and 9.56 respectively. A single band of serine protease was visualized on SDS-PAGE and 2-D gel electrophoretic analyses were revealed with the molecular mass of 38.5 kDa. Serine protease had an optimum pH of 8.0 and was stable at 45°C with high relative protease activity...
January 3, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28088012/new-4-4-chlorophenyl-2-2-6-2%C3%A2-terpyridine-ruthenium-ii-complexes-synthesis-characterization-interaction-with-dna-bsa-and-cytotoxicity-studies
#6
Milan M Milutinović, Ana Rilak, Ioannis Bratsos, Olivera Klisurić, Milan Vraneš, Nevenka Gligorijević, Siniša Radulović, Živadin D Bugarčić
In this study, we have developed a series of new monofunctional Ru(II) complexes of the general formula mer-[Ru(Cl-Ph-tpy)(N-N)Cl]Cl in which Cl-Ph-tpy is 4'-(4-chlorophenyl)-2,2':6',2″-terpyridine, N-N is a bidentate chelating ligand (1,2-diaminoethane (en, 1), 1,2-diaminocyclohexane (dach, 2) or 2,2'-bipyridine (bpy, 3)). All complexes were fully characterized by elemental analysis and spectroscopic techniques (IR, UV-Vis, 1D and 2D NMR). Their chemical behavior in aqueous solution was studied by UV-Vis and NMR spectroscopy showing that all compounds are relatively labile leading to the formation of the corresponding aqua species 1aq-3aq...
October 14, 2016: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/28088002/radiochemical-studies-pre-clinical-investigation-and-preliminary-clinical-evaluation-of-170-tm-edtmp-prepared-using-in-house-freeze-dried-edtmp-kit
#7
Tapas Das, Ajit Shinto, Koramadai K Kamaleshwaran, Haladhar D Sarma, Sahiralam Khan Mohammed, Arpit Mitra, Sangita Lad, M G R Rajan, Sharmila Banerjee
The objective of the present work is to formulate (170)Tm-EDTMP using an in-house freeze-dried EDTMP kit and evaluate its potential as a bone pain palliation agent. Patient dose of (170)Tm-EDTMP was prepared with high radiochemical purity using the lyophilized kit at room temperature within 15min. Pre-clinical evaluation in normal Wistar rats revealed selective skeletal accumulation with extended retention. Preliminary clinical investigation in 8 patients with disseminated skeletal metastases exhibited selective uptake in the bone and retention therein for a long duration...
January 5, 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28087986/barriers-to-access-to-opioid-medicines-for-patients-with-opioid-dependence-a-review-of-legislation-and-regulations-in-eleven-central-and-eastern-european-countries
#8
Marjolein J M Vranken, Aukje K Mantel-Teeuwisse, Saskia Jünger, Lukas Radbruch, Willem Scholten, John A Lisman, Marija Subataite, Marie-Hélène D B Schutjens
BACKGROUND AND AIMS: Barriers linked to drug control systems are considered to contribute to inequitable access to controlled medicines, leaving millions of people in pain and suffering. Most studies focus on access to opioids for the treatment of severe (cancer) pain. This study aims to identify specific access barriers for patients with opioid dependence in legislation and regulations of 11 Central and Eastern European countries. METHODS: This study builds on a previous analysis of legislation and regulations as part of the EU 7th Framework Access To Opioid Medication in Europe (ATOME) project...
January 14, 2017: Addiction
https://www.readbyqxmd.com/read/28087936/fungal-ligninolytic-enzymes-and-their-applications
#9
Miia R Mäkelä, Erin L Bredeweg, Jon K Magnuson, Scott E Baker, Ronald P de Vries, Kristiina Hildén
The global push toward an efficient and economical biobased economy has driven research to develop more cost-effective applications for the entirety of plant biomass, including lignocellulosic crops. As discussed elsewhere (Karlsson M, Atanasova L, Funck Jensen D, Zeilinger S, in Heitman J et al. [ed], Tuberculosis and the Tubercle Bacillus, 2nd ed, in press), significant progress has been made in the use of polysaccharide fractions from lignocellulose, cellulose, and various hemicellulose types. However, developing processes for use of the lignin fraction has been more challenging...
December 2016: Microbiology Spectrum
https://www.readbyqxmd.com/read/28087928/factors-associated-with-non-completion-of-follow-up-33-month-latent-tuberculous-infection-treatment-trial
#10
R N Moro, T R Sterling, J Saukkonen, A Vernon, C R Horsburgh, R E Chaisson, C D Hamilton, M E Villarino, S Goldberg
<h2>SETTING:</h2><p>A post-hoc exploratory analysis of a randomized, open-label clinical trial thatenrolled 8053 participants from the United States, Canada, Brazil, and Spain.</p><h2>OBJECTIVE:</h2><p>To assess factors associated with non-completion of study follow-up (NCF) in a 33-month latent tuberculous infection treatment trial, PREVENT TB.</p><h2>DESIGN:</h2><p>Participants were randomized to receive 3 months of weekly directly observed therapy vs...
January 13, 2017: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/28087826/comparison-of-brain-mri-findings-with-language-and-motor-function-in-the-dystroglycanopathies
#11
Brianna N Brun, Shelley R H Mockler, Katie M Laubscher, Carrie M Stephan, Anne M Wallace, Julia A Collison, M Bridget Zimmerman, William B Dobyns, Katherine D Mathews
OBJECTIVE: To describe the spectrum of brain MRI findings in a cohort of individuals with dystroglycanopathies (DGs) and relate MRI results to function. METHODS: All available brain MRIs done for clinical indications on individuals enrolled in a DG natural history study (NCT00313677) were reviewed. Reports were reviewed when MRI was not available. MRIs were categorized as follows: (1) cortical, brainstem, and cerebellar malformations; (2) cortical and cerebellar malformations; or (3) normal...
January 13, 2017: Neurology
https://www.readbyqxmd.com/read/28087824/neuropathology-of-sudep-role-of-inflammation-blood-brain-barrier-impairment-and-hypoxia
#12
Zuzanna Michalak, Dima Obari, Matthew Ellis, Maria Thom, Sanjay M Sisodiya
OBJECTIVE: To seek a neuropathologic signature of sudden unexpected death in epilepsy (SUDEP) in a postmortem cohort by use of immunohistochemistry for specific markers of inflammation, gliosis, acute neuronal injury due to hypoxia, and blood-brain barrier (BBB) disruption, enabling the generation of hypotheses about potential mechanisms of death in SUDEP. METHODS: Using immunohistochemistry, we investigated the expression of 6 markers (CD163, human leukocyte antigen-antigen D related, glial fibrillary acid protein, hypoxia-inducible factor-1α [HIF-1α], immunoglobulin G, and albumin) in the hippocampus, amygdala, and medulla in 58 postmortem cases: 28 SUDEP (definite and probable), 12 epilepsy controls, and 18 nonepileptic sudden death controls...
January 13, 2017: Neurology
https://www.readbyqxmd.com/read/28087796/prior-military-service-identity-stigma-and-mental-health-among-transgender-older-adults
#13
Charles P Hoy-Ellis, Chengshi Shiu, Kathleen M Sullivan, Hyun-Jun Kim, Allison M Sturges, Karen I Fredriksen-Goldsen
PURPOSE OF THE STUDY: Converging evidence from large community-based samples, Internet studies, and Veterans Health Administration data suggest that transgender adults have high rates of U.S. military service. However, little is known about the role of prior military service in their mental health later in life, particularly in relation to identity stigma. In this article, we examine relationships between prior military service, identity stigma, and mental health among transgender older adults...
February 2017: Gerontologist
https://www.readbyqxmd.com/read/28087779/genomics-of-parallel-experimental-evolution-in-drosophila
#14
J L Graves, K L Hertweck, M A Phillips, M V Han, L G Cabral, T T Barter, L F Greer, M K Burke, L D Mueller, M R Rose
What are the genomic foundations of adaptation in sexual populations? We address this question using fitness-character and whole-genome sequence data from 30 Drosophila laboratory populations. These 30 populations are part of a nearly forty-year laboratory radiation featuring three selection regimes, each shared by ten populations for up to 837 generations, with moderately large effective population sizes. Each of three sets of ten populations that shared a selection regime consist of five populations that have long been maintained under that selection regime, paired with five populations that had only recently been subjected to that selection regime...
January 12, 2017: Molecular Biology and Evolution
https://www.readbyqxmd.com/read/28087763/circadian-kinetics-of-cell-cycle-progression-in-adult-neurogenic-niches-of-a-diurnal-vertebrate
#15
Veronica Akle, Alexander J Stankiewicz, Vasili Kharchenko, Lili Yu, Peter V Kharchenko, Irina V Zhdanova
: The circadian system may regulate adult neurogenesis via intracellular molecular clock mechanisms or by modifying the environment of neurogenic niches, with daily variation in growth factors or nutrients depending on the animal's diurnal or nocturnal life-style. In a diurnal vertebrate, zebrafish, we studied circadian distribution of immunohistochemical markers of the cell division cycle (CDC) in five of the sixteen neurogenic niches of adult brain, the dorsal telencephalon, habenula, preoptic area, hypothalamus and cerebellum...
January 13, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28087652/differential-regulation-of-cd103-%C3%AE-e-integrin-expression-in-human-dendritic-cells-by-retinoic-acid-and-toll-like-receptor-ligands
#16
Mandi M Roe, Steve Swain, T Andrew Sebrell, Marisa A Sewell, Madison M Collins, Brian A Perrino, Phillip D Smith, Lesley E Smythies, Diane Bimczok
CD103 (αE integrin) is an important dendritic cell (DC) marker that characterizes functionally distinct DC subsets in mice and humans. However, the mechanism by which CD103 expression is regulated in human DCs and the role of CD103 for DC function are not very well understood. Here, we show that retinoic acid (RA) treatment of human monocyte-derived DCs (MoDCs) increased the ability of the DCs to synthesize RA and induced MoDC expression of CD103 and β7 at the mRNA and protein level. In contrast, RA was unable to induce the expression of CD103 in primary human DCs isolated from the gastric mucosa...
January 13, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28087651/frontline-science-multiple-cathepsins-promote-inflammasome-independent-particle-induced-cell-death-during-nlrp3-dependent-il-1%C3%AE-activation
#17
Gregory M Orlowski, Shruti Sharma, Jeff D Colbert, Matthew Bogyo, Stephanie A Robertson, Hiroshi Kataoka, Francis K Chan, Kenneth L Rock
Sterile particles cause several chronic, inflammatory diseases, characterized by repeating cycles of particle phagocytosis and inflammatory cell death. Recent studies have proposed that these processes are driven by the NLRP3 inflammasome, a platform activated by phagocytosed particles, which controls both caspase-1-dependent cell death (pyroptosis) and mature IL-1β secretion. After phagocytosis, particles can disrupt lysosomes, and inhibitor studies have suggested that the resulting release of a lysosomal protease-cathepsin B-into the cytosol somehow activates NLRP3...
January 13, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28087626/snail2-and-zeb2-repress-p-cadherin-to-define-embryonic-territories-in-the-chick-embryo
#18
Hervé Acloque, Oscar H Ocaña, Diana Abad, Claudio D Stern, M Angela Nieto
Snail and Zeb transcription factors induce epithelial to mesenchymal transition (EMT) in embryonic and adult tissues by direct repression of E-Cadherin transcription. The repression of E-Cadherin transcription by the EMT inducers Snail1 and Zeb2 plays a fundamental role in defining embryonic territories in the mouse, as E-Cadherin needs to be downregulated in the primitive streak and in the epiblast concomitant with the formation of mesendodermal precursors and the neural plate, respectively. Here we show that in the chick embryo, E-Cadherin is weakly expressed in the epiblast at pre-primitive streak stages where it is substituted by P-Cadherin We also show that Snail2 and Zeb2 repress P-Cadherin transcription in the primitive streak and the neural plate, respectively...
January 13, 2017: Development
https://www.readbyqxmd.com/read/28087602/novel-application-of-3d-contrast-enhanced-cmr-to-define-fibrotic-structure-of-the-human-sinoatrial-node-in-vivo
#19
Thomas A Csepe, Jichao Zhao, Lidiya V Sul, Yufeng Wang, Brian J Hansen, Ning Li, Anthony J Ignozzi, Anna Bratasz, Kimerly A Powell, Ahmet Kilic, Peter J Mohler, Paul M L Janssen, John D Hummel, Orlando P Simonetti, Vadim V Fedorov
AIMS: The adult human sinoatrial node (SAN) has a specialized fibrotic intramural structure (35-55% fibrotic tissue) that provides mechanical and electrical protection from the surrounding atria. We hypothesize that late gadolinium-enhanced cardiovascular magnetic resonance (LGE-CMR) can be applied to define the fibrotic human SAN structure in vivo. METHODS AND RESULTS: LGE-CMR atrial scans of healthy volunteers (n olu, 23-52 y.o.) using a 3 Tesla magnetic resonance imaging system with a spatial resolution of 1...
January 13, 2017: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28087505/2016-update-of-the-asas-eular-management-recommendations-for-axial-spondyloarthritis
#20
Désirée van der Heijde, Sofia Ramiro, Robert Landewé, Xenofon Baraliakos, Filip Van den Bosch, Alexandre Sepriano, Andrea Regel, Adrian Ciurea, Hanne Dagfinrud, Maxime Dougados, Floris van Gaalen, Pál Géher, Irene van der Horst-Bruinsma, Robert D Inman, Merryn Jongkees, Uta Kiltz, Tore K Kvien, Pedro M Machado, Helena Marzo-Ortega, Anna Molto, Victoria Navarro-Compàn, Salih Ozgocmen, Fernando M Pimentel-Santos, John Reveille, Martin Rudwaleit, Jochen Sieper, Percival Sampaio-Barros, Dieter Wiek, Jürgen Braun
To update and integrate the recommendations for ankylosing spondylitis and the recommendations for the use of tumour necrosis factor inhibitors (TNFi) in axial spondyloarthritis (axSpA) into one set applicable to the full spectrum of patients with axSpA. Following the latest version of the European League Against Rheumatism (EULAR) Standardised Operating Procedures, two systematic literature reviews first collected the evidence regarding all treatment options (pharmacological and non-pharmacological) that were published since 2009...
January 13, 2017: Annals of the Rheumatic Diseases
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