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https://www.readbyqxmd.com/read/28340489/mir-34a-3p-alters-proliferation-and-apoptosis-of-meningioma-cells-in-vitro-and-is-directly-targeting-smad4-frat1-and-bcl2
#1
Tamara V Werner, Martin Hart, Ruth Nickels, Yoo-Jin Kim, Michael D Menger, Rainer M Bohle, Andreas Keller, Nicole Ludwig, Eckart Meese
Micro (mi)RNAs are short, noncoding RNAs and deregulation of miRNAs and their targets are implicated in tumor generation and progression in many cancers. Meningiomas are mostly benign, slow growing tumors of the central nervous system with a small percentage showing a malignant phenotype.Following in silico prediction of potential targets of miR-34a-3p, SMAD4, FRAT1, and BCL2 have been confirmed as targets by dual luciferase assays with co-expression of miR-34a-3p and reporter gene constructs containing the respective 3'UTRs...
March 23, 2017: Aging
https://www.readbyqxmd.com/read/28340444/comparative-effectiveness-of-dual-action-versus-single-action-antidepressants-for-the-treatment-of-depression-in-people-living-with-hiv-aids
#2
Jon C Mills, Jeffrey S Harman, Robert L Cook, Nicole M Marlow, Christopher A Harle, R Paul Duncan, Angela M Bengtson, Brian W Pence
BACKGROUND: Depression is the most common psychiatric comorbidity among people living with HIV/AIDS (PLWHA). Little is known about the comparative effectiveness between different types of antidepressants used to treat depression in this population. We compared the effectiveness of dual-action and single-action antidepressants in PLWHA for achieving remission from depression. METHODS: We used data from the Centers for AIDS Research Network of Integrated Clinic Systems to identify 1175 new user dual-action or single-action antidepressant treatment episodes occurring from 2005 to 2014 for PLWHA diagnosed with depression...
March 19, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28340396/spectral-studies-on-anthracene-based-dual-sensor-for-hg-2-and-al-3-ions-with-two-distinct-output-modes-of-detection
#3
Navneet Kaur, Baljeet Kaur
A simple and easily synthesized colorimetric and fluorescent chemosensor 1, based on aromatic OH and imine moieties as a binding and anthracene as signaling unit, has been synthesized in a one-step procedure. The chemosensor 1 is developed as a dual chemosensor for detection of Hg(2+) and Al(3+) ions in CH3OH, which exhibited a color change from light yellow to dark yellow with Hg(2+) ions, enabling 1 a suitable "bare eye" indicator for Hg(2+) ions. On the other hand, fluorescent enhancement with blue shift along with brilliant cyan fluorescence was observed upon binding with Al(3+) ions...
March 15, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28340228/dual-immunostain-with-satb2-and-ck20-differentiates-appendiceal-mucinous-neoplasms-from-ovarian-mucinous-neoplasms
#4
Zaibo Li, Rachel Roth, Jonathan B Rock, Amy Lehman, William L Marsh, Adrian Suarez, Wendy L Frankel
Objectives: Determination of the primary site of origin for mucinous neoplasms identified in the peritoneal and/or pelvic cavities may be challenging, with major differential diagnoses including appendiceal mucinous neoplasm (AMN) and ovarian mucinous neoplasm (OMN). Special AT-rich sequence binding protein 2 (SATB2) has been shown to be highly selectively expressed in the lower gastrointestinal tract, including the appendix. Methods: We investigated the utility of a dual stain (DS) with SATB2 or caudal type homeobox 2 (CDX2) and cytokeratin 20 (CK20) or villin in distinguishing AMNs from OMNs...
March 18, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28340220/her2-neu-status-determination-in-breast-cancer-a-single-institutional-experience-using-a-dual-testing-approach-with-immunohistochemistry-and-fluorescence-in-situ-hybridization
#5
James P Solomon, Marie Dell'Aquila, Oluwole Fadare, Farnaz Hasteh
Objectives: According to current guidelines, either immunohistochemistry (IHC) or in situ hybridization (ISH) can be used to determine human epidermal growth factor receptor 2 (Her2/neu) status in breast carcinoma. While the guidelines explicitly delineate result interpretation, there is no consensus on the most appropriate testing algorithm. Methods: The Her2/neu statuses of 369 consecutive cases of invasive breast cancer (from 351 patients) were assessed in a dual-testing algorithm that uses both IHC and fluorescence ISH (FISH)...
March 11, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28340198/reasons-to-wait-or-to-treat-naive-patients-affected-by-chronic-hepatitis-c-with-low-fibrosis-stage-and-genotypes-2-or-3
#6
Lucio Boglione, Jessica Cusato, Giuseppe Cariti, Giovanni Di Perri, Antonio D'Avolio
New interferon (IFN)-free therapies are not currently available for all patients with chronic hepatitis C due to higher costs; in Italy, patients with genotype 2 (GT2) or GT3 without severe fibrosis can choose between wait or treatment with pegylated (PEG)-IFN and ribavirin. This study wants to examine the real rate of patients that accept or refused this therapy and the reasons related to decision. This prospective, observational analysis was performed at our centre between January 2014 and June 2015. Epidemiological, social and clinical data were collected in medical records; reasons for treatment acceptance/refusal were recorded through a questionnaire...
March 10, 2017: European Journal of Public Health
https://www.readbyqxmd.com/read/28340195/nicotine-sales-to-minors-store-level-comparison-of-e-cigarette-vs-cigarette-violation-rates
#7
Arnold H Levinson
Introduction.: In recent years, e-cigarettes overtook cigarettes as the leading tobacco product used by U.S. adolescents. Most states, as well as federal regulations, have added e-cigarettes to laws prohibiting tobacco products sales to minors. We tested compliance with the newer regulation among Colorado urban retail businesses, speculating that violations might be more common for e-cigarettes than smokable cigarettes. Methods.: Supervised minors visited a random sample of urban businesses and sequentially attempted to purchase an e-cigarette product and cigarettes...
March 15, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/28340152/sarcopenia-and-relationships-between-muscle-mass-measured-glomerular-filtration-rate-and-physical-function-in-patients-with-chronic-kidney-disease-stages-3-5
#8
Yunan Zhou, Matthias Hellberg, Philippa Svensson, Peter Höglund, Naomi Clyne
Background.: Sarcopenia and poor physical function are common in patients with chronic kidney disease (CKD). Our aim was to investigate the relationships between muscle mass and measured glomerular filtration rate (GFR) and between muscle mass and strength and balance, respectively, in patients with CKD stages 3-5. Methods.: This is a baseline data analysis of a randomized controlled clinical trial. A total of 148 adult patients with an estimated GFR <30 mL/min/1...
March 1, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28340137/questioning-the-preference-for-dual-vs-single-chamber-implantable-defibrillator-in-primary-prevention-implantable-cardioverter-defibrillator-recipients
#9
Valentina Kutyifa, Dominic A M J Theuns
No abstract text is available yet for this article.
March 8, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28340096/dual-vs-single-chamber-defibrillators-for-primary-prevention-of-sudden-cardiac-death-long-term-follow-up-of-the-d%C3%A3-fibrillateur-automatique-implantable-pr%C3%A3-vention-primaire-registry
#10
Pascal Defaye, Serge Boveda, Didier Klug, Frankie Beganton, Olivier Piot, Kumar Narayanan, Marie-Cécile Périer, Daniel Gras, Laurent Fauchier, Pierre Bordachar, Vincent Algalarrondo, Dominique Babuty, Jean-Claude Deharo, Christophe Leclercq, Eloi Marijon, Nicolas Sadoul
Aims: Implantable cardioverter defibrillators (ICDs) are an effective primary prevention of sudden cardiac death. We examined whether dual-chamber (DC) ICDs confer a greater benefit than single-chamber (SC) ICDs, and compared the long-term outcomes of recipients of each type of device implanted for primary prevention. Methods and results: Between 2002 and 2012, the DAI-PP registry consecutively enrolled 1258 SC- and 1280 DC-ICD recipients at 12 French medical centres...
March 8, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28339860/outcomes-with-single-coil-versus-dual-coil-implantable-cardioverter-defibrillators-a-meta-analysis
#11
Nicholas Sunderland, Amit Kaura, Francis Murgatroyd, Para Dhillon, Paul A Scott
Aims: Dual-coil implantable cardioverter defibrillator (ICD) leads have traditionally been used over single-coil leads due to concerns regarding high defibrillation thresholds (DFT) and consequent poor shock efficacy. However, accumulating evidence suggests that this position may be unfounded and that dual-coil leads may also be associated with higher complication rates during lead extraction. This meta-analysis collates data comparing dual- and single-coil ICD leads. Methods and results: Electronic databases were systematically searched for randomized controlled trials (RCT) and non-randomized studies comparing single-coil and dual-coil leads...
February 27, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28339780/adverse-kidney-effects-of-epidermal-growth-factor-receptor-inhibitors
#12
Hassan Izzedine, Mark A Perazella
The epidermal growth factor receptor (EGFR) is implicated in various malignancies. The past decade has seen the development and widespread use of EGFR inhibitors for the successful treatment of such cancers. Available EGFR inhibitors include small molecule tyrosine-kinase inhibitors and monoclonal antibodies. Class-related renal adverse events result in dual toxicity including tubular/electrolyte disorders and glomerulopathies. Tubular injury is common and mainly due to monoclonal antibodies while glomerulopathy is rare and related to various anti-EGFR agents...
February 23, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28339758/safety-and-efficacy-of-the-new-bidirectional-rotational-evolution%C3%A2-mechanical-lead-extraction-sheath-results-from-a-multicentre-italian-registry
#13
Patrizio Mazzone, Federico Migliore, Emanuele Bertaglia, Domenico Facchin, Elisabetta Daleffe, Vittorio Calzolari, Martino Crosato, Francesco Melillo, Francesco Peruzza, Alessandra Marzi, Nicoleta Sora, Paolo Della Bella
Aims: The aim of this prospective multicentre study is to evaluate safety and efficacy of the new bidirectional rotational mechanical lead extraction (LE) sheath (Evolution RL, Cook Medical, USA) in chronically implanted leads (>1-year-old leads). Methods and results: Between September 2013 and June 2016, a total of 238 leads in 124 consecutive patients were removed by using the new Evolution RL rotational mechanical sheath. Indications for LE were cardiac device infection in 63 (50...
February 23, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28339272/connecting-few-body-inelastic-decay-to-quantum-correlations-in-a-many-body-system-a-weakly-coupled-impurity-in-a-resonant-fermi-gas
#14
Sébastien Laurent, Matthieu Pierce, Marion Delehaye, Tarik Yefsah, Frédéric Chevy, Christophe Salomon
We study three-body recombination in an ultracold Bose-Fermi mixture. We first show theoretically that, for weak interspecies coupling, the loss rate is proportional to Tan's contact. Second, using a ^{7}Li/^{6}Li mixture we probe the recombination rate in both the thermal and dual superfluid regimes. We find excellent agreement with our model in the BEC-BCS crossover. At unitarity where the fermion-fermion scattering length diverges, we show that the loss rate is proportional to n_{f}^{4/3}, where n_{f} is the fermionic density...
March 10, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28339222/holographic-duals-for-five-dimensional-superconformal-quantum-field-theories
#15
Eric D'Hoker, Michael Gutperle, Christoph F Uhlemann
We construct global solutions to type IIB supergravity with 16 residual supersymmetries whose space-time is AdS_{6}×S^{2} warped over a Riemann surface. Families of solutions are labeled by an arbitrary number L≥3 of asymptotic regions, in each of which the supergravity fields match those of a (p,q) five-brane, and may therefore be viewed as near-horizon limits of fully localized intersections of five-branes in type IIB string theory. These solutions provide compelling candidates for holographic duals to a large class of five-dimensional superconformal quantum field theories which arise as nontrivial UV fixed points of perturbatively nonrenormalizable Yang-Mills theories, thereby making them more directly accessible to quantitative analysis...
March 10, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28339204/liquid-marble-coalescence-and-triggered-microreaction-inspired-by-acoustic-levitation
#16
Zhen Chen, Duyang Zang, Liang Zhao, Mengfei Qu, Xu Li, Xiaoguang Li, Lixin Li, Xingguo Geng
Liquid marbles show promising potential application in the microreactor field. It is of great importance to control the coalescence between two or multiple liquid marbles, however, it is highly difficult to successfully merge two isolated marbles due to their mechanically robust particle shells. In this work, we accomplished the coalescence of multiple liquid marbles via acoustic levitation. The dynamic behaviors of the liquid marbles were monitored by a high-speed camera to find that driven by the sound field, the liquid marbles moved towards each other, collided, and eventually coalesced into a larger single marble...
March 24, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28339185/red-emission-b-n-s-co-doped-carbon-dots-for-colorimetric-and-fluorescent-dual-mode-detection-of-fe3-ions-in-complex-biological-fluids-and-living-cells
#17
Yinghua Liu, Wenxiu Duan, Wei Song, Juanjuan Liu, Cuiling Ren, Jiang Wu, Dan Liu, Hongli Chen
Colorimetric and fluorescent dual mode detection methods have gained much attention in recent years, however, it is still desirable to develop new colorimetric and fluorescent dual mode nanosensors with more simple preparation procedure, low cost and excellent biocompatibility. Herein, a colorimetric and fluorescent nanosensor based on B, N, S-co-doped carbon dots (BNS-CDs) were synthesized by one-step hydrothermal treatment of 2, 5-diaminobenzenesulfonic acid and 4-aminophenylboronic acid hydrochloride. Using this nanosensor, a highly sensitive assay of Fe3+ in the range of 0...
March 24, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28335472/detecting-breast-cancer-with-a-dual-modality-device
#18
Kamila Padia, Tania S Douglas, Lydia L Cairncross, Roland V Baasch, Christopher L Vaughan
Although mammography has been the gold standard for the early detection of breast cancer, if a woman has dense breast tissue, a false negative diagnosis may occur. Breast ultrasound, whether hand-held or automated, is a useful adjunct to mammography but adds extra time and cost. The primary aim was to demonstrate that our second-generation Aceso system, which combines full-field digital mammography (FFDM) and automated breast ultrasound (ABUS) in a single platform, is able to produce improved quality images that provide clinically meaningful results...
March 18, 2017: Diagnostics
https://www.readbyqxmd.com/read/28335398/tunable-plasmonic-band-pass-filter-with-dual-side-coupled-circular-ring-resonators
#19
Dongdong Liu, Jicheng Wang, Feng Zhang, Yuewu Pan, Jian Lu, Xiaowu Ni
A wavelength band-pass filter with asymmetric dual circular ring resonators in a metal-insulator-metal (MIM) structure is proposed and numerically simulated. For the interaction of the local discrete state and the continuous spectrum caused by the side-coupled resonators and the baffle, respectively, the transmission spectrum exhibits a sharp and asymmetric profile. By adjusting the radius and material imbedded in one ring cavity, the off-to-on plasmon-induced absorption (PIA) optical response can be tunable achieved...
March 13, 2017: Sensors
https://www.readbyqxmd.com/read/28335291/multispectral-emissions-of-lanthanide-doped-gadolinium-oxide-nanophosphors-for-cathodoluminescence-and-near-infrared-upconversion-downconversion-imaging
#20
Doan Thi Kim Dung, Shoichiro Fukushima, Taichi Furukawa, Hirohiko Niioka, Takumi Sannomiya, Kaori Kobayashi, Hiroshi Yukawa, Yoshinobu Baba, Mamoru Hashimoto, Jun Miyake
Comprehensive imaging of a biological individual can be achieved by utilizing the variation in spatial resolution, the scale of cathodoluminescence (CL), and near-infrared (NIR), as favored by imaging probe Gd₂O₃ co-doped lanthanide nanophosphors (NPPs). A series of Gd₂O₃:Ln(3+)/Yb(3+) (Ln(3+): Tm(3+), Ho(3+), Er(3+)) NPPs with multispectral emission are prepared by the sol-gel method. The NPPs show a wide range of emissions spanning from the visible to the NIR region under 980 nm excitation. The dependence of the upconverting (UC)/downconverting (DC) emission intensity on the dopant ratio is investigated...
September 6, 2016: Nanomaterials
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