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https://www.readbyqxmd.com/read/28550296/reducing-mitochondrial-reads-in-atac-seq-using-crispr-cas9
#1
Lindsey Montefiori, Liana Hernandez, Zijie Zhang, Yoav Gilad, Carole Ober, Gregory Crawford, Marcelo Nobrega, Noboru Jo Sakabe
ATAC-seq is a high-throughput sequencing technique that identifies open chromatin. Depending on the cell type, ATAC-seq samples may contain ~20-80% of mitochondrial sequencing reads. As the regions of open chromatin of interest are usually located in the nuclear genome, mitochondrial reads are typically discarded from the analysis. We tested two approaches to decrease wasted sequencing in ATAC-seq libraries generated from lymphoblastoid cell lines: targeted cleavage of mitochondrial DNA fragments using CRISPR technology and removal of detergent from the cell lysis buffer...
May 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28550063/an-environment-friendly-engineered-azotobacter-can-replace-substantial-amount-of-urea-fertilizer-and-yet-sustain-same-wheat-yield
#2
Umesh K Bageshwar, Madhulika Srivastava, Pedisetty Pardha-Saradhi, Sangeeta Paul, Sellamuthu Gothandapani, Ranjeet S Jaat, Prabha Shankar, Rajbir Yadav, Dipak R Biswas, Polumetla A Kumar, Jasdeep C Padaria, Pranab K Mandal, Kannepalli Annapurna, Hirendra K Das
In our endeavor to improve upon nitrogen fixation efficiency of a soil diazotroph that would be unaffected by synthetic nitrogenous fertilizers, we have deleted a part of the negative regulatory gene nifL and constitutively expressed the positive regulatory gene nifA in the chromosome of Azotobacter chroococcum CBD15, a strain isolated from the local field soil. No antibiotic resistance gene or other foreign gene was there in the chromosome of the engineered strain. Wheat seeds inoculated with this engineered strain, which we have named Azotobacter chroococcum HKD15, were tested for three years in pots and one year in the field...
May 26, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28549706/long-term-effectiveness-of-a-multifactorial-fall-and-fracture-prevention-program-in-bavarian-nursing-homes-an-analysis-based-on-health-insurance-claims-data
#3
Claudia Schulz, Ivonne Lindlbauer, Kilian Rapp, Clemens Becker, Hans-Helmut König
OBJECTIVE: Femoral fractures are frequently consequences of falls in nursing homes and are associated with considerable costs and unfavorable outcomes such as immobility and mortality. The purpose of this study was to examine the long-term effectiveness of a multifactorial fall and fracture prevention program in nursing homes in terms of reducing femoral fractures. DESIGN: Retrospective cohort study. SETTING: Nursing homes. PARTICIPANTS: Health insurance claims data for 2005-2013 including 85,148 insurants of a sickness fund (Allgemeine Ortskrankenkasse Bayern), aged 65 years or older and living in 802 nursing homes in Bavaria, Germany...
June 1, 2017: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/28549400/bemfola-%C3%A2-fixed-dose-pens-potentially-reduce-drug-wastage-and-associated-costs-of-infertility-treatment
#4
Graham Foxon, Paul Mitchell, Nikki Turner, Anne McConnell, Helen Kendrew, Julian Jenkins
Bemfola(®) is a recombinant follicle-stimulating hormone (FSH) used during infertility treatment. One main differentiator between FSH products is their delivery device; consisting of multi-dose pens (Gonal-f(®)), vials or multi-dose preparations (Menopur(®)), or adjustable daily disposable dose pens (Bemfola(®)). To determine the potential impact of delivery device on drug wastage during infertility treatment this study retrospectively analysed Gonal-f(®) and Menopur(®) prescription and usage data from five UK clinics...
May 26, 2017: Human Fertility: Journal of the British Fertility Society
https://www.readbyqxmd.com/read/28549357/-hip-osteosynthesis-with-im-nail-lateral-decubitus-without-fracture-table
#5
V H Aguirre-Rodríguez, G Inzunza-Enríquez, O Bibiano-Escalante, F J Martínez-Ruiz, F S Valero-González
BACKGROUND: Hip fractures have increased in the last decades, mainly in elderly patients with osteoporosis. The incidence becomes in some countries up to 250 thousand new cases per year, generating millions for health systems costs, so it should be considered a public health problem. They are treated in supine position, with a fracture table, through a lateral approach. However, it is important to know that there are other techniques, which can dispense a table of fractures and in a different position...
November 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/28548694/towards-a-proportionality-assessment-of-risk-reduction-measures-aimed-at-restricting-the-use-of-persistent-and-bioaccumulative-substances
#6
Frans Oosterhuis, Roy Brouwer, Martien Janssen, Julia Verhoeven, Cees Luttikhuizen
International chemicals legislation aims at adequately controlling persistent organic pollutants (POPs) and substances of very high concern (SVHCs), such as persistent, bioaccumulative and toxic (PBT) and very persistent and very bioaccumative (vPvB) substances, with a view to progressively substitute these substances with suitable less hazardous alternatives. Using cost-effectiveness analysis to assess the (dis)proportionality of measures to control such substances (collectively called PBT in this paper) requires benchmarks...
May 26, 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28546995/the-cost-and-cost-trajectory-of-whole-genome-analysis-guiding-treatment-of-patients-with-advanced-cancers
#7
Deirdre Weymann, Janessa Laskin, Robyn Roscoe, Kasmintan A Schrader, Stephen Chia, Stephen Yip, Winson Y Cheung, Karen A Gelmon, Aly Karsan, Daniel J Renouf, Marco Marra, Dean A Regier
BACKGROUND: Limited data exist on the real-world costs of applying whole-genome analysis (WGA) in a clinical setting. We estimated the costs of applying WGA to guide treatments for patients with advanced cancers and characterized how costs evolve over time. METHODS: The setting is the British Columbia Cancer Agency Personalized OncoGenomics (POG) program in British Columbia, Canada. Cost data were obtained for patients who enrolled in the program from 2012 to 2015...
May 2017: Molecular Genetics & Genomic Medicine
https://www.readbyqxmd.com/read/28546862/block-sparsity-based-joint-compressed-sensing-recovery-of-multi-channel-ecg-signals
#8
Anurag Singh, Samarendra Dandapat
In recent years, compressed sensing (CS) has emerged as an effective alternative to conventional wavelet based data compression techniques. This is due to its simple and energy-efficient data reduction procedure, which makes it suitable for resource-constrained wireless body area network (WBAN)-enabled electrocardiogram (ECG) telemonitoring applications. Both spatial and temporal correlations exist simultaneously in multi-channel ECG (MECG) signals. Exploitation of both types of correlations is very important in CS-based ECG telemonitoring systems for better performance...
April 2017: Healthcare Technology Letters
https://www.readbyqxmd.com/read/28546747/the-direct-and-indirect-costs-of-managing-chronic-obstructive-pulmonary-disease-in-greece
#9
Kyriakos Souliotis, Hara Kousoulakou, Georgios Hillas, Nikos Tzanakis, Michalis Toumbis, Theodoros Vassilakopoulos
OBJECTIVE: COPD is associated with significant economic burden. The objective of this study was to explore the direct and indirect costs associated with COPD and identify the key cost drivers of disease management in Greece. METHODS: A Delphi panel of Greek pulmonologists was conducted, which aimed at eliciting local COPD treatment patterns and resource use. Resource use was translated into costs using official health insurance tariffs and Diagnosis-Related Groups (DRGs)...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28546136/an-ecological-momentary-intervention-to-reduce-alcohol-consumption-in-young-adults-delivered-during-drinking-events-protocol-for-a-pilot-randomized-controlled-trial
#10
Cassandra Jc Wright, Paul M Dietze, Paul A Agius, Emmanuel Kuntsche, Robin Room, Michael Livingston, Margaret Hellard, Megan Sc Lim
BACKGROUND: Risky drinking is a significant public health issue in young Australian adults. Brief interventions are one of few effective methods of reducing risky drinking but are time and cost intensive; innovative methods of delivery are therefore of interest. Mobile phones offer new opportunities to collect data and intervene during risky drinking events. Mobile phones have successfully been used for delivery of alcohol-related brief interventions and data collection but not in combination with or during drinking events...
May 25, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28545904/reductive-amination-of-ketones-catalyzed-by-whole-cell-biocatalysts-containing-imine-reductases-ireds
#11
Zaira Maugeri, Dörte Rother
The asymmetric reductive amination of ketones represents an elegant and convenient way to obtain chiral amines. Recently, several examples have been reported in which isolated imine reductases (IREDs) have been used for this type of reaction leading to promising results. In this work we focus on the applicability of whole cell biocatalysts (recombinant E.coli cells heterologously overexpressing an IRED) to simplify its preparation and to cut on catalyst production costs. Thirteen IREDs were screened towards six different ketones, using methylamine as amine donor...
May 22, 2017: Journal of Biotechnology
https://www.readbyqxmd.com/read/28545837/emerging-technologies-for-prediction-of-drug-candidate-efficacy-in-the-preclinical-pipeline
#12
Denis Menshykau
The pharmaceutical industry is tackling increasingly complex multifactorial diseases, resulting in increases in research & development (R&D) costs and reductions in the success rates for drug candidates during Phase 2 and 3 clinical trials, with a lack of efficacy being the primary reason for drug candidate failure. This implies that the predictive power of current preclinical assays for drug candidate efficacy is suboptimal and, therefore, that alternatives should be developed. Here, I review emerging in vitro, imaging, and in silico technologies and discuss their potential contribution to drug efficacy assessment...
May 22, 2017: Drug Discovery Today
https://www.readbyqxmd.com/read/28545572/intensive-case-management-for-addiction-to-promote-engagement-with-care-of-people-with-severe-mental-and-substance-use-disorders-an-observational-study
#13
Stéphane Morandi, Benedetta Silva, Philippe Golay, Charles Bonsack
BACKGROUND: Co-occurring severe mental and substance use disorders are associated with physical, psychological and social complications such as homelessness and unemployment. People with severe mental and substance use disorders are difficult to engage with care. The lack of treatment worsens their health and social conditions and increases treatment costs, as emergency department visits arise. Case management has proved to be effective in promoting engagement with care of people with severe mental and substance use disorders...
May 25, 2017: Substance Abuse Treatment, Prevention, and Policy
https://www.readbyqxmd.com/read/28545542/recognition-and-treatment-of-sleep-disordered-breathing-an-important-component-of-chronic-disease-management
#14
REVIEW
Peter C Farrell, Glenn Richards
Sleep-disordered breathing (SDB) is a highly prevalent condition, and is associated with many debilitating chronic diseases. The role of untreated obstructive sleep apnea (OSA) in arterial hypertension has been recognized in international guidelines. Treatment with continuous positive airway pressure (CPAP) is associated with clinically-relevant reductions in blood pressure. In heart failure (HF), SDB is associated with worse prognosis and increased mortality. Major HF guidelines recommend that patients should be treated for sleep apnea to improve their HF status...
May 25, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28545295/multielemental-determination-of-as-bi-ge-sb-and-sn-in-agricultural-samples-using-hydride-generation-coupled-to-microwave-induced-plasma-optical-emission-spectrometry
#15
Raquel Cardoso Machado, Clarice Dias Britto do Amaral, Joaquim de Araújo Nóbrega, Ana Rita Araujo Nogueira
A microwave-induced plasma optical emission spectrometer with N2-based plasma was combined with multimode sample introduction system (MSIS) for hydride generation (HG) and multielemental determination of As, Bi, Ge, Sb and Sn in samples of forage, bovine liver, powered milk, agricultural gypsum, rice and mineral fertilizer, using a single condition of pre-reduction and reduction. The accuracy of the developed analytical method was evaluated using certified reference materials of water and mineral fertilizer and recoveries ranged from 95 to 106%...
May 26, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28544832/percutaneous-antegrade-trans-septal-closure-of-mitral-paravalvular-leak-without-creation-of-an-arteriovenous-wire-loop-in-patients-with-coexistent-mechanical-aortic-valve
#16
Teoman Kilic, Senol Coskun, Kurtulus Karauzum, Sadan Yavuz, Tayfun Sahin
BACKGROUND: Various approaches such as antegrade trans-septal, retrograde transfemoral and transapical techniques have been used to close mitral paravalvular leak (PVL) in patients with an aortic prosthesis. During the implementation of these techniques, an arteriovenous guidewire loop is often created for device delivery. However, passing through a mechanical aortic valve may cause hemodynamic compromise and prolong the procedure. To date, no studies have evaluated antegrade mitral PVL closure without the use of an arteriovenous wire loop in patients with a mechanical aortic prosthesis...
January 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28543086/allergen-immunotherapy-for-allergic-asthma-a-systematic-review-and-meta-analysis
#17
REVIEW
Sangeeta Dhami, Artemisia Kakourou, Felix Asamoah, Ioana Agache, Susanne Lau, Jutel Marek, Antonella Muraro, Graham Roberts, Cezmi A Akdis, Matteo Bonini, Ozlem Cavkaytar, Breda Flood, Pawel Gajdanowicz, Kenji Izuhara, Ömer Kalayci, Ralph Mosges, Oscar Palomares, Oliver Pfaar, Sylwia Smolinska, Milena Sokolowska, Miqdad Asaria, Gopal Netuveli, Hader Zaman, Ather Akhlaq, Aziz Sheikh
BACKGROUND: To inform the development of the European Academy of Allergy and Clinical Immunonology's (EAACI) Guidelines on Allergen Immunotherapy (AIT) for allergic asthma, we assessed the evidence on the effectiveness, cost-effectiveness and safety of AIT. METHODS: We performed a systematic review, which involved searching nine databases. Studies were screened against pre-defined eligibility criteria and critically appraised using established instruments. Data were synthesized using random-effects meta-analyses...
May 19, 2017: Allergy
https://www.readbyqxmd.com/read/28542399/cost-effectiveness-of-a-school-based-health-promotion-program-in-canada-a-life-course-modeling-approach
#18
John Paul Ekwaru, Arto Ohinmaa, Bach Xuan Tran, Solmaz Setayeshgar, Jeffrey A Johnson, Paul J Veugelers
BACKGROUND: The Alberta Project Promoting active Living and healthy Eating in Schools (APPLE Schools) has been recognized as a "best practice" in preventing childhood obesity. To inform decision making on the economic implications of APPLE Schools and to justify investment, we evaluated the project's cost-effectiveness following a life-course approach. METHODS: We developed a state transition model for the lifetime progression of body weight status comparing elementary school students attending APPLE Schools and control schools...
2017: PloS One
https://www.readbyqxmd.com/read/28541741/green-approach-for-synthesis-of-gold-nanoparticles-from-nigella-arvensis-leaf-extract-and-evaluation-of-their-antibacterial-antioxidant-cytotoxicity-and-catalytic-activities
#19
Azam Chahardoli, Naser Karimi, Fatemeh Sadeghi, Ali Fattahi
In the present work, we studied the reduction of gold ions into gold nanoparticles using Nigella arvensis leaf extract in the one-step green synthesis method. The formation of N. arvensis gold nanoparticles (NA-GNPs) was confirmed by UV-Vis spectroscopy, XRD, FT-IR and TEM analyses. The XRD pattern confirmed the crystal structure of NA-GNPs, and TEM image showed the small size (3-37 nm) and almost spherical shape of NA-GNPs. NA-GNPs have not shown enhanced antioxidant properties compared to the plant extract while they were active against the clinical isolated bacterial strains...
May 25, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/28541686/general-oriented-formation-of-carbon-nanotubes-from-metal-organic-frameworks
#20
Jiashen Meng, Chaojiang Niu, Linhan Xu, Jiantao Li, Xiong Liu, Xuanpeng Wang, Yuzhu Wu, Xiaoming Xu, Wenyi Chen, Qi Li, Zi-Zhong Zhu, Dongyuan Zhao, Liqiang Mai
Carbon nanotubes (CNTs) are of great interest for many potential applications because of their extraordinary electronic, mechanical and structural properties. However, issues of chaotic staking, high cost and high energy dissipation in the synthesis of CNTs remain to be resolved. Here we develop a facile, general and high-yield strategy for the oriented formation of CNTs from metal-organic frameworks (MOFs) through a low-temperature (as low as 430 °C) pyrolysis process. The selected MOF crystals act as a single precursor for both nanocatalysts and carbon sources...
May 25, 2017: Journal of the American Chemical Society
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