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https://www.readbyqxmd.com/read/27932510/embolization-of-intracranial-dural-arteriovenous-fistulas-using-phil-liquid-embolic-agent-in-26-patients-a-multicenter-study
#1
S Lamin, H S Chew, S Chavda, A Thomas, M Piano, L Quilici, G Pero, M Holtmannspolter, M E Cronqvist, A Casasco, L Guimaraens, L Paul, A Gil Garcia, A Aleu, R Chapot
BACKGROUND AND PURPOSE: The introduction of liquid embolic agents has revolutionized endovascular approach to cranial vascular malformations. The aim of the study was to retrospectively assess the efficacy and safety of Precipitating Hydrophobic Injectable Liquid (PHIL), a new nonadhesive liquid embolic agent, in the treatment of patients with cranial dural arteriovenous fistulas. The primary end point was the rate of complete occlusion of dural arteriovenous fistulas. Secondary end points included the incidence of adverse events and clinical status at 3-month follow-up...
December 8, 2016: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/27929926/comparing-lamin-proteins-post-translational-relative-stability-using-a-2a-peptide-based-system-reveals-elevated-resistance-of-progerin-to-cellular-degradation
#2
Di Wu, Phillip A Yates, Haoyue Zhang, Kan Cao
Nuclear lamins are the major components of the nuclear lamina at the periphery of the nucleus, supporting the nuclear envelope and participating in many nuclear processes, including DNA replication, transcription and chromatin organization. A group of diseases, the laminopathies, is associated with mutations in lamin genes. One of the most striking cases is Hutchinson-Gilford progeria syndrome (HGPS) which is the consequence of a lamin A dominant negative mutant named progerin. Due to the abnormal presence of a permanent C-terminal farnesyl tail, progerin gradually accumulates on the nuclear membrane, perturbing a diversity of signalings and transcriptional events...
December 8, 2016: Nucleus
https://www.readbyqxmd.com/read/27929125/totally-embedded-hybrid-thin-films-of-carbon-nanotubes-and-silver-nanowires-as-flat-homogenous-flexible-transparent-conductors
#3
Suresh Kumar Raman Pillai, Jing Wang, Yilei Wang, Md Moniruzzaman Sk, Ari Bimo Prakoso, Rusli, Mary B Chan-Park
There is a great need for viable alternatives to today's transparent conductive film using largely indium tin oxide. We report the fabrication of a new type of flexible transparent conductive film using silver nanowires (AgNW) and single-walled carbon nanotube (SWCNT) networks which are fully embedded in a UV curable resin substrate. The hybrid SWCNTs-AgNWs film is relatively flat so that the RMS roughness of the top surface of the film is 3 nm. Addition of SWCNTs networks make the film resistance uniform; without SWCNTs, sheet resistance of the surface composed of just AgNWs in resin varies from 20 Ω/sq to 10(7 )Ω/sq...
December 8, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27926918/evaluation-of-lymphatic-filariasis-and-onchocerciasis-in-three-senegalese-districts-treated-for-onchocerciasis-with-ivermectin
#4
Nana O Wilson, Alioune Badara Ly, Vitaliano A Cama, Paul T Cantey, Daniel Cohn, Lamine Diawara, Abdel Direny, Mawo Fall, Karla R Feeser, LeAnne M Fox, Achille Kabore, Amadou F Seck, Ngayo Sy, Daouda Ndiaye, Christine Dubray
In Africa, onchocerciasis and lymphatic filariasis (LF) are co-endemic in many areas. Current efforts to eliminate both diseases are through ivermectin-based mass drug administration (MDA). Years of ivermectin distribution for onchocerciasis may have interrupted LF transmission in certain areas. The Kédougou region, Senegal, is co-endemic for LF and onchocerciasis. Though MDA for onchocerciasis started in 1988, in 2014 albendazole had not yet been added for LF. The objective of this study was to assess in an integrated manner the LF and onchocerciasis status in the three districts of the Kédougou region after ≥10 years of ivermectin-based MDA...
December 2016: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/27926859/rapamycin-reverses-metabolic-deficits-in-lamin-a-c-deficient-mice
#5
Chen-Yu Liao, Sydney S Anderson, Nicole H Chicoine, Jarrott R Mayfield, Emmeline C Academia, Joy A Wilson, Chalermkwan Pongkietisak, Morgan A Thompson, Earl P Lagmay, Delana M Miller, Yueh-Mei Hsu, Mark A McCormick, Monique N O'Leary, Brian K Kennedy
The role of the mTOR inhibitor, rapamycin, in regulation of adiposity remains controversial. Here, we evaluate mTOR signaling in lipid metabolism in adipose tissues of Lmna(-/-) mice, a mouse model for dilated cardiomyopathy and muscular dystrophy. Lifespan extension by rapamycin is associated with increased body weight and fat content, two phenotypes we link to suppression of elevated energy expenditure. In both white and brown adipose tissue of Lmna(-/-) mice, we find that rapamycin inhibits mTORC1 but not mTORC2, leading to suppression of elevated lipolysis and restoration of thermogenic protein UCP1 levels, respectively...
December 6, 2016: Cell Reports
https://www.readbyqxmd.com/read/27924439/fluorescence-quenching-of-two-coumarin-3-carboxylic-acids-by-trivalent-lanthanide-ions
#6
Lamine Cisse, Abdoulaye Djande, Martine Capo-Chichi, François Delattre, Adama Saba, Jean-Claude Brochon, Serguei Sanouski, Alphonse Tine, Jean-Jacques Aaron
The effects of various trivalent lanthanide ions (acetates of Ce(3+), Er(3+), Eu(3+), Nd(3+)) on the electronic absorption and fluorescence spectra of un-substituted coumarin-3-carboxylic acid (CCA) and 7-N,N-diethylamino-coumarin-3-carboxylic acid (DECCA) have been investigated in dimethylsulfoxide (DMSO) at room temperature. Depending on the lanthanide ion nature and concentration, significant spectral changes of absorption bands occurred for both coumarin derivatives. These spectral changes were attributed to the formation of ground-state complexes between the coumarin carboxylate derivatives and lanthanide ions...
December 6, 2016: Journal of Fluorescence
https://www.readbyqxmd.com/read/27918584/the-ace-1-locus-is-amplified-in-all-resistant-anopheles-gambiae-mosquitoes-fitness-consequences-of-homogeneous-and-heterogeneous-duplications
#7
Benoît S Assogba, Pascal Milesi, Luc S Djogbénou, Arnaud Berthomieu, Patrick Makoundou, Lamine S Baba-Moussa, Anna-Sophie Fiston-Lavier, Khalid Belkhir, Pierrick Labbé, Mylène Weill
Gene copy-number variations are widespread in natural populations, but investigating their phenotypic consequences requires contemporary duplications under selection. Such duplications have been found at the ace-1 locus (encoding the organophosphate and carbamate insecticides' target) in the mosquito Anopheles gambiae (the major malaria vector); recent studies have revealed their intriguing complexity, consistent with the involvement of various numbers and types (susceptible or resistant to insecticide) of copies...
December 2016: PLoS Biology
https://www.readbyqxmd.com/read/27912789/dynamics-of-antigenemia-and-transmission-intensity-of-wuchereria-bancrofti-following-cessation-of-mass-drug-administration-in-a-formerly-highly-endemic-region-of-mali
#8
Yaya I Coulibaly, Siaka Y Coulibaly, Housseini Dolo, Siaka Konate, Abdallah A Diallo, Salif S Doumbia, Lamine Soumaoro, Michel E Coulibaly, Ilo Dicko, Moussa B Sangare, Benoit Dembele, Modibo Sangare, Massitan Dembele, Yeya T Touré, Louise Kelly-Hope, Katja Polman, Dominique Kyelem, Sekou F Traore, Moses Bockarie, Amy D Klion, Thomas B Nutman
BACKGROUND: After seven annual rounds of mass drug administration (MDA) in six Malian villages highly endemic for Wuchereria bancrofti (overall prevalence rate of 42.7%), treatment was discontinued in 2008. Surveillance was performed over the ensuing 5 years to detect recrudescence. METHODS: Circulating filarial antigen (CFA) was measured using immunochromatographic card tests (ICT) and Og4C3 ELISA in 6-7 year-olds. Antibody to the W. bancrofti infective larval stage (L3) antigen, Wb123, was tested in the same population in 2012...
December 3, 2016: Parasites & Vectors
https://www.readbyqxmd.com/read/27911330/fhl1b-interacts-with-lamin-a-c-and%C3%A2-emerin-at-the-nuclear-lamina-and%C3%A2-is%C3%A2-misregulated-in-emery-dreifuss-muscular-dystrophy
#9
Esma Ziat, Kamel Mamchaoui, Maud Beuvin, Isabelle Nelson, Feriel Azibani, Simone Spuler, Gisèle Bonne, Anne T Bertrand
BACKGROUND: Emery-Dreifuss muscular dystrophy (EDMD) is associated with mutations in EMD and LMNA genes, encoding for the nuclear envelope proteins emerin and lamin A/C, indicating that EDMD is a nuclear envelope disease. We recently reported mutations in FHL1 gene in X-linked EDMD. FHL1 encodes FHL1A, and the two minor isoforms FHL1B and FHL1C. So far, none have been described at the nuclear envelope. OBJECTIVE: To gain insight into the pathophysiology of EDMD, we focused our attention on the poorly characterized FHL1B isoform...
November 29, 2016: Journal of Neuromuscular Diseases
https://www.readbyqxmd.com/read/27910922/the-influence-of-laser-scribing-on-magnetic-domain-formation-in-grain-oriented-electrical-steel-visualized-by-directional-neutron-dark-field-imaging
#10
P Rauscher, B Betz, J Hauptmann, A Wetzig, E Beyer, C Grünzweig
The performance and degree of efficiency of transformers are directly determined by the bulk magnetic properties of grain oriented electrical steel laminations. The core losses can be improved by post manufacturing methods, so-called domain refinement techniques. All these methods induce mechanical or thermal stress that refines the domain structure. The most commonly used technique is laser scribing due to the no-contact nature and the ease of integration in existing production systems. Here we show how directional neutron dark-field imaging allows visualizing the impact of laser scribing on the bulk and supplementary domain structure...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27910460/low-magnetic-johnson-noise-electric-field-plates-for-precision-measurement
#11
I M Rabey, J A Devlin, E A Hinds, B E Sauer
We describe a parallel pair of high voltage electric field plates designed and constructed to minimise magnetic Johnson noise. They are formed by laminating glass substrates with a commercially available polyimide (Kapton) tape, covered with a thin gold film. Tested in vacuum, the outgassing rate is less than 5 × 10(-5) mbar l/s. The plates have been operated at electric fields up to 8.3 kV/cm, when the leakage current is at most a few hundred pA. The design is discussed in the context of a molecular spin precession experiment to measure the permanent electric dipole moment of the electron...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27908040/modeling-and-design-of-two-dimensional-membrane-type-active-acoustic-metamaterials-with-tunable-anisotropic-density
#12
Ahmed Allam, Adel Elsabbagh, Wael Akl
A two-dimensional active acoustic metamaterial with controllable anisotropic density is introduced. The material consists of composite lead-lead zirconate titanate plates clamped to an aluminum structure with air as the background fluid. The effective anisotropic density of the material is controlled, independently for two orthogonal directions, by means of an external static electric voltage signal. The material is used in the construction of a reconfigurable waveguide capable of controlling the direction of the acoustic waves propagating through it...
November 2016: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/27905138/efficient-and-air-stable-mixed-cation-lead-mixed-halide-perovskite-solar-cells-with-n-doped-organic-electron-extraction-layers
#13
Zhiping Wang, David P McMeekin, Nobuya Sakai, Stephan van Reenen, Konrad Wojciechowski, Jay B Patel, Michael B Johnston, Henry J Snaith
Air-stable doping of the n-type fullerene layer in an n-i-p planar heterojunction perovskite device is capable of enhancing device efficiency and improving device stability. Employing a (HC(NH2 )2 )0.83 Cs0.17 Pb(I0.6 Br0.4 )3 perovskite as the photoactive layer, glass-glass laminated devices are reported, which sustain 80% of their "post burn-in" efficiency over 3400 h under full sun illumination in ambient conditions.
December 1, 2016: Advanced Materials
https://www.readbyqxmd.com/read/27901466/differentiation-alters-stem-cell-nuclear-architecture-mechanics-and-mechano-sensitivity
#14
Su-Jin Heo, Tristan P Driscoll, Stephen D Thorpe, Nandan L Nerurkar, Brendon M Baker, Michael T Yang, Christopher S Chen, David A Lee, Robert L Mauck
Mesenchymal stem cell (MSC) differentiation is mediated by soluble and physical cues. In this study, we investigated differentiation-induced transformations in MSC cellular and nuclear biophysical properties and queried their role in mechanosensation. Our data show that nuclei in differentiated bovine and human MSCs stiffen and become resistant to deformation. This attenuated nuclear deformation was governed by restructuring of Lamin A/C and increased heterochromatin content. This change in nuclear stiffness sensitized MSCs to mechanical-loading-induced calcium signaling and differentiated marker expression...
November 30, 2016: ELife
https://www.readbyqxmd.com/read/27900294/efficacy-of-autologous-leukocyte-reduced-platelet-rich-plasma-therapy-for-patellar-tendinopathy-in-a-rat-treadmill-model
#15
Mamoru Yoshida, Hiroki Funasaki, Keishi Marumo
BACKGROUND: An autologous platelet-rich plasma (PRP) therapy has currently been applied for the tendinopathy; however, its efficacy and an optimal platelets concentration in PRP were uncertain. We analyzed them in an animal model prepared using a repetitive running exercise. METHODS: We made the tendinopathy rat model of patellar tendon using a rodent treadmill machine. Rats with tendinopathy were injected with leukocyte-reduced PRP at the platelets concentration of 1...
April 2016: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/27891508/effect-of-water-activity-and-packaging-material-on-the-quality-of-dehydrated-taro-colocasia-esculenta-l-schott-slices-during-accelerated-storage
#16
A R Sloan, M L Dunn, L K Jefferies, O A Pike, Sarah E Nielsen Barrows, F M Steele
The quality of dehydrated taro slices in accelerated storage (45°C and 75% RH) was determined as a function of initial water activity (aw) and package type. Color, rehydration capacity, thiamin content, and α-tocopherol content were monitored during 34 weeks of storage in polyethylene and foil laminate packaging at initial storage aw of 0.35 to 0.71. Initial aw at or below 0.54 resulted in less browning and higher rehydration capacity, but not in significantly higher α-tocopherol retention. Foil laminate pouches resulted in a higher rehydration capacity and increased thiamin retention compared to polyethylene bags...
2016: International journal of food science
https://www.readbyqxmd.com/read/27889148/surface-attachment-of-active-antimicrobial-coatings-onto-conventional-plastic-based-laminates-and-performance-assessment-of-these-materials-on-the-storage-life-of-vacuum-packaged-beef-sub-primals
#17
David Clarke, Andrey A Tyuftin, Malco C Cruz-Romero, Declan Bolton, Seamus Fanning, Shashi K Pankaj, Carmen Bueno-Ferrer, Patrick J Cullen, Joe P Kerry
Two antimicrobial coatings, namely Sodium octanoate and Auranta FV (a commercial antimicrobial composed of bioflavonoids, citric, malic, lactic, and caprylic acids) were used. These two antimicrobials were surface coated onto the inner polyethylene layer of cold plasma treated polyamide films using beef gelatin as a carrier and coating polymer. This packaging material was then used to vacuum pack beef sub-primal cuts and stored at 4 °C. A control was prepared using the non-coated commercial laminate and the same vacuum packaged sub-primal beef cuts...
April 2017: Food Microbiology
https://www.readbyqxmd.com/read/27888261/fluctuating-residual-limb-volume-accommodated-with-an-adjustable-modular-socket-design-a-novel-case-report
#18
Kay Mitton, Jai Kulkarni, Kenneth William Dunn, Anthony Hoang Ung
BACKGROUND: This novel case report describes the problems of prescribing a prosthetic socket in a left transfemoral amputee secondary to chronic patellofemoral instability compounded by complex regional pain syndrome. CASE DESCRIPTION AND METHODS: Following the amputation, complex regional pain syndrome symptoms recurred in the residual limb, presenting mainly with oedema. Due to extreme daily volume fluctuations of the residual limb, a conventional, laminated thermoplastic socket fitting was not feasible...
November 24, 2016: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/27884250/the-significant-arrhythmia-and-cardiomyopathy-burden-of-lamin-a-c-mutations
#19
EDITORIAL
Michael D Taylor, Jeffrey A Towbin
No abstract text is available yet for this article.
November 29, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27884249/long-term-arrhythmic-and-nonarrhythmic-outcomes-of-lamin-a-c-mutation-carriers
#20
Saurabh Kumar, Samuel H Baldinger, Estelle Gandjbakhch, Philippe Maury, Jean-Marc Sellal, Alexander F A Androulakis, Xavier Waintraub, Philippe Charron, Anne Rollin, Pascale Richard, William G Stevenson, Ciorsti J Macintyre, Carolyn Y Ho, Tina Thompson, Jitendra K Vohra, Jonathan M Kalman, Katja Zeppenfeld, Frederic Sacher, Usha B Tedrow, Neal K Lakdawala
BACKGROUND: Mutations in LMNA are variably expressed and may cause cardiomyopathy, atrioventricular block (AVB), or atrial arrhythmias (AAs) and ventricular arrhythmias (VA). Detailed natural history studies of LMNA-associated arrhythmic and nonarrhythmic outcomes are limited, and the prognostic significance of the index cardiac phenotype remains uncertain. OBJECTIVES: This study sought to describe the arrhythmic and nonarrhythmic outcomes of LMNA mutation carriers and to assess the prognostic significance of the index cardiac phenotype...
November 29, 2016: Journal of the American College of Cardiology
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