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https://www.readbyqxmd.com/read/28637310/the-metagenomic-data-life-cycle-standards-and-best-practices
#1
Petra Ten Hoopen, Robert D Finn, Lars Ailo Bongo, Erwan Corre, Bruno Fosso, Folker Meyer, Alex Mitchell, Eric Pelletier, Graziano Pesole, Monica Santamaria, Nils Peder Willassen, Guy Cochrane
Metagenomics data analyses from independent studies can only be compared if the analysis workflows are described in a harmonised way. In this overview, we have mapped the landscape of data standards available for the description of essential steps in metagenomics: (1) material sampling, (2) material sequencing (3) data analysis and (4) data archiving & publishing.Taking examples from marine research, we summarise essential variables used to describe material sampling processes and sequencing procedures in a metagenomics experiment...
June 16, 2017: GigaScience
https://www.readbyqxmd.com/read/28637243/nanopore-sequencing-data-analysis-state-of-the-art-applications-and-challenges
#2
Alberto Magi, Roberto Semeraro, Alessandra Mingrino, Betti Giusti, Romina D'Aurizio
The nanopore sequencing process is based on the transit of a DNA molecule through a nanoscopic pore, and since the 90s is considered as one of the most promising approaches to detect polymeric molecules. In 2014, Oxford Nanopore Technologies (ONT) launched a beta-testing program that supplied the scientific community with the first prototype of a nanopore sequencer: the MinION. Thanks to this program, several research groups had the opportunity to evaluate the performance of this novel instrument and develop novel computational approaches for analyzing this new generation of data...
June 16, 2017: Briefings in Bioinformatics
https://www.readbyqxmd.com/read/28637191/value-added-strategy-models-to-provide-quality-services-in-senior-health-business
#3
Ya-Ting Yang, Neng-Pai Lin, Shyi Su, Ya-Mei Chen, Yao-Mao Chang, Yujiro Handa, Hafsah Arshed Ali Khan, Yi-Hsin Elsa Hsu
Objective: The rapid population aging is now a global issue. The increase in the elderly population will impact the health care industry and health enterprises; various senior needs will promote the growth of the senior health industry. Most senior health studies are focused on the demand side and scarcely on supply. Our study selected quality enterprises focused on aging health and analyzed different strategies to provide excellent quality services to senior health enterprises. Design: We selected 33 quality senior health enterprises in Taiwan and investigated their excellent quality services strategies by face-to-face semi-structured in-depth interviews with CEO and managers of each enterprise in 2013...
June 20, 2017: International Journal for Quality in Health Care
https://www.readbyqxmd.com/read/28637090/early-warning-systems-and-rapid-response-to-the-deteriorating-patient-in-hospital-a-realist-evaluation
#4
Jennifer Mcgaughey, Peter O'Halloran, Sam Porter, John Trinder, Bronagh Blackwood
AIM: To identify those contexts and mechanisms that enable or constrain the implementation of Rapid Response Systems on acute general hospital wards to recognise and respond to patient deterioration. BACKGROUND: Rapid Response Systems allow deteriorating patients to be recognised using Early Warning Systems, referred early via escalation protocols and managed at the bedside by competent staff. DESIGN: Realist Evaluation. METHODS: The research design was an embedded multiple case study approach of four wards in two hospitals in Northern Ireland which followed the principles of Realist Evaluation...
June 21, 2017: Journal of Advanced Nursing
https://www.readbyqxmd.com/read/28636953/dicer-deficiency-differentially-impacts-microglia-of-the-developing-and-adult-brain
#5
Diana Varol, Alexander Mildner, Thomas Blank, Anat Shemer, Neta Barashi, Simon Yona, Eyal David, Sigalit Boura-Halfon, Yifat Segal-Hayoun, Louise Chappell-Maor, Hadas Keren-Shaul, Dena Leshkowitz, Eran Hornstein, Martin Fuhrmann, Ido Amit, Nicola Maggio, Marco Prinz, Steffen Jung
Microglia seed the embryonic neuro-epithelium, expand and actively sculpt neuronal circuits in the developing central nervous system, but eventually adopt relative quiescence and ramified morphology in the adult. Here, we probed the impact of post-transcriptional control by microRNAs (miRNAs) on microglial performance during development and adulthood by generating mice lacking microglial Dicer expression at these distinct stages. Conditional Dicer ablation in adult microglia revealed that miRNAs were required to limit microglial responses to challenge...
June 20, 2017: Immunity
https://www.readbyqxmd.com/read/28636950/structural-evidence-of-quercetin-multi-target-bioactivity-a-reverse-virtual-screening-strategy
#6
Diego Carvalho, Margot Paulino, Fabio Polticelli, Florencia Arredondo, Robert J Williams, Juan A Abin-Carriquiry
The ubiquitous flavonoid quercetin is broadly recognized for showing diverse biological and health-promoting effects, such as anti-cancer, anti-inflammatory and cytoprotective activities. The therapeutic potential of quercetin and similar compounds for preventing such diverse oxidative stress-related pathologies has been generally attributed to their direct antioxidant properties. Nevertheless, accumulated evidence indicates that quercetin is also able to interact with multiple cellular targets influencing the activity of diverse signaling pathways...
June 18, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28636770/a-technology-training-protocol-for-meeting-qsen-goals-focusing-on-meaningful-learning
#7
Shuhong Luo, Melanie Kalman
The purpose of this paper is to describe and discuss how we designed and developed a 12-step technology training protocol. The protocol is meant to improve meaningful learning in technology education so that nursing students are able to meet the informatics requirements of Quality and Safety Education in Nursing competencies. When designing and developing the training protocol, we used a simplified experiential learning model that addressed the core features of meaningful learning: to connect new knowledge with students' prior knowledge and real-world workflow...
June 21, 2017: Nursing Forum
https://www.readbyqxmd.com/read/28636680/unifying-the-microscopic-picture-of-his-containing-turns-from-gas-phase-model-peptides-to-crystallized-proteins
#8
Woon Yong Sohn, Sana Habka, Eric Gloaguen, Michel Mons
The presence in crystallized proteins of a local anchoring between the side chain of a His residue, located in the central position of a γ- or β-turn, and its local main chain environment, was assessed by the comparison of protein structures with relevant isolated model peptides. Gas phase laser spectroscopy, combined with relevant quantum chemistry methods, was used to characterize the γ- and β-turn structures in these model peptides. A conformer-selective NH stretch infrared study provided evidence for the formation in vacuo of two types of short-range H-bonded motifs, labelled ε-6(δ) and δ-(δ)7/π(H), bridging the His side chain (in its gauche+ rotamer) to the neighbouring NH(i) and CO(i) sites of the backbone; each side chain-backbone motif was found to be specific of the tautomer (ε or δ) adopted by the His side chain in its neutral form...
June 21, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28636625/comparison-study-of-exhaust-plume-impingement-effects-of-small-mono-and-bipropellant-thrusters-using-parallelized-dsmc-method
#9
Kyun Ho Lee
A space propulsion system is important for the normal mission operations of a spacecraft by adjusting its attitude and maneuver. Generally, a mono- and a bipropellant thruster have been mainly used for low thrust liquid rocket engines. But as the plume gas expelled from these small thrusters diffuses freely in a vacuum space along all directions, unwanted effects due to the plume collision onto the spacecraft surfaces can dramatically cause a deterioration of the function and performance of a spacecraft. Thus, aim of the present study is to investigate and compare the major differences of the plume gas impingement effects quantitatively between the small mono- and bipropellant thrusters using the computational fluid dynamics (CFD)...
2017: PloS One
https://www.readbyqxmd.com/read/28636555/overcoming-resistance-to-targeted-therapy-with-immunotherapy-and-combination-therapy-for-metastatic-melanoma
#10
REVIEW
Hilary R Keller, Xin Zhang, Li Li, Helmut Schaider, James W Wells
Resistance to targeted therapy is an ongoing problem for the successful treatment of Stage IV metastatic melanoma. For many patients, the use of targeted therapies, such as BRAF kinase inhibitors, were initially promising yet resistance inevitably occurred. Even after combining BRAF kinase inhibitors with MEK pathway inhibitors to offset re-activation of the MAP kinase pathway, resistance is still documented. Similarly, outcomes with immune checkpoint inhibitors as monotherapy were optimistic for some patients without relapse or progression, yet the majority of patients undergoing monotherapy have progressive disease...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28636498/a-novel-clinical-simulated-suture-education-for-basic-surgical-skill-suture-on-the-biological-tissue-fixed-on-standardized-patient-evaluated-with-objective-structured-assessment-of-technical-skill-osats-tools
#11
Zhanlong Shen, Fan Yang, Pengji Gao, Li Zeng, Guanchao Jiang, Shan Wang, Yingjiang Ye, Fengxue Zhu
BACKGROUND: Clinical-simulated training has shown benefit in the education of medical students. However, the role of clinical simulation for surgical basic skill training such as suturing techniques remains unclear. MATERIALS AND METHODS: Forty-two medical students were asked to perform specific suturing tasks at three stations with the different settings within four minutes (Station 1: Synthetic suture pad fixed on the bench, Station 2: Synthetic suture pad fixed on the standardized patient, Station 3: Pig skin fixed on the standardized patient); the OSATS (Objective Structured Assessment of Technical Skill) tool was used to evaluate the performance of students...
June 21, 2017: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/28636349/water-dynamics-from-the-surface-to-the-interior-of-a-supramolecular-nanostructure
#12
Julia H Ortony, Baofu Qiao, Christina J Newcomb, Timothy J Keller, Liam C Palmer, Elad Deiss-Yehiely, Monica Olvera de la Cruz, Songi Han, Samuel I Stupp
Water within and surrounding the structure of a biological system adopts context-specific dynamics that mediate virtually all of the events involved in the inner workings of a cell. These events range from protein folding and molecular recognition to the formation of hierarchical structures. Water dynamics are mediated by the chemistry and geometry of interfaces where water and biomolecules meet. Here we investigate experimentally and computationally the translational dynamics of vicinal water molecules within the volume of a supramolecular peptide nanofiber measuring 6...
June 21, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28636347/the-structure-and-dynamics-of-alginate-gels-crosslinked-by-polyvalent-ions-probed-via-solid-state-nmr-spectroscopy
#13
Jiří Brus, Martina Urbanová, Jiri Czernek, Miroslava Pavelkova, Katerina Kubova, Jakub Vyslouzil, Sabina Abbrent, Rafal Konefal, Jiri Horsky, David Vetchy, Jan Vysloužil, Pavel Kulich
Alginate gels are an outstanding biomaterial widely applicable in tissue engineering, medicine, and pharmacy for cell transplantation, wound healing and efficient bioactive agent delivery, respectively. This contribution provides new and comprehensive insight into the atomic-resolution structure and dynamics of polyvalent ion-crosslinked alginate gels in microbead formulations. By applying various advanced solid-state NMR (ssNMR) spectroscopy techniques, we verified the homogenous distribution of the crosslinking ions in the alginate gels and the high degree of ion exchange...
June 21, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28636269/commentary-on-r-d-trends-away-from-general-medicine-cardiovascular-drugs-can-the-fda-help-reverse-the-trend
#14
R J Meyer
In the latter part of the 20th century, drug development in cardiovascular diseases (CVDs) was a paragon of "modern" therapeutics, bringing about a substantial number of effective, well-tolerated agents targeting some of the most prevalent diseases of the Western world. These drugs were often examples of rational drug development targeting specific pathophysiologic pathways previously elucidated through basic research (e.g., targeting of the renin-angiotensin system or the cholesterol synthesis pathway). The widespread adoption of these ground-breaking medications in practice and into medical guidelines undoubtedly played a role in the fall of morbidity and mortality from CVD in the United States in recent decades...
June 21, 2017: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28636165/a-feasibility-and-safety-study-of-intracoronary-hemodilution-during-primary-coronary-angioplasty-in-order-to-reduce-reperfusion-injury-in-myocardial-infarction
#15
Michael McGarvey, Omar Ali, M Bilal Iqbal, Charles Ilsley, Joyce Wong, Carlo Di Mario, Simon Redwood, Tiffany Patterson, Dudley J Pennell, Paula Rogers, Miles Dalby
OBJECTIVES: We designed a pilot study to evaluate safety and feasibility of an inexpensive and simple approach to intracoronary hemodilution during primary angioplasty (PPCI) to reduce reperfusion injury. INTRODUCTION: Early revascularization in acute myocardial infarction decreases infarct size and improves outcomes. However, abrupt restoration of coronary flow results in myocardial reperfusion injury and increased final infarct size. Dilution of coronary blood during revascularization may help reduce this damage...
June 21, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28635517/a-primer-for-oncoimmunology-immunooncology
#16
Brad Bolon, Famke Aeffner
Oncoimmunology (or immunooncology) is a burgeoning specialty of precision ("personalized") medicine designed to heighten the antitumor response of the immune system against molecules expressed excessively or only by tumor cells. This focus is necessary, as cancers are polyclonal tissues comprised of antigenically heterogeneous cells, the exact composition of which is shaped by the balance between antitumor immunity and tumor-promoting inflammation. Key targets include enhancing immune system (especially T cell) reactivity, inhibiting immune checkpoints, and promoting tumor cytolysis...
January 1, 2017: Toxicologic Pathology
https://www.readbyqxmd.com/read/28635408/assisted-reproductive-technologies-and-the-iranian-community-attitude-towards-infertility
#17
Aliyar Ahmadi, Sara Bamdad
Since the late 1990s, assisted reproductive technologies (ARTs) have been legitimized in Iran through an official religious endorsement. Iran, under the dominant authority of the Shia sect, is now the most enthusiastic adopter of ARTs in the Muslim world, permitting all forms of treatments, including third party donation. This study examined the public perception of assisted conception and its influence on the adoption of these methods in Iran. The study was questionnaire-based and conducted in 2012 in Shiraz, the most populated city in the south of Iran...
February 7, 2017: Human Fertility: Journal of the British Fertility Society
https://www.readbyqxmd.com/read/28635363/early-mortality-risk-in-incident-chinese-hemodialysis-patients-a-retrospective-cohort-study
#18
Xinju Zhao, Mei Wang, Li Zuo
BACKGROUND: Early mortality risk of maintenance hemodialysis (MHD) patients varies by country and ethnicity. Here, early mortality in incident Chinese HD patients were studied. METHODS: Data from 1 January 2007 to 31 December 2013 were pulled from Beijing dialysis registry system. All included patients were followed to the end of 2013. This time period of dialysis was divided into six intervals (≤120, 121-365 days; 1-2, 2-3, 3-4, ≥5 years). Patients' demographics, primary cause of end-stage renal disease (ESRD), date of first HD, date of death, cause for death, date and cause of censoring were extracted from the registry database...
November 2017: Renal Failure
https://www.readbyqxmd.com/read/28635236/-efficacy-and-safety-of-xiaoaiping-combined-with-chemotherapy-in-the-treatment-of-advanced-esophageal-cancer
#19
F Wang, Q X Fan, H H Wang, D M Han, N S Song, H Lu
Objective: To evaluate the efficacy and safety of Xiaoaiping combined with chemotherapy in the treatment of advanced esophageal cancer. Methods: This is a multi-center, randomized, open label and parallel controlled study. A total of 124 advanced esophageal cancer patients with Karnofsky Performance Status (KPS) score ≥60 and expected survival time≥3 months were enrolled. We adopted design and divided the patients into study and control group. The patients in study group received Xiaoaiping combined with S-1 and cisplatin...
June 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28635194/volitional-rehabilitative-assessments-in-patients-admitted-in-a-post-intensive-care-step-down-unit-a-feasibility-study
#20
Mara Paneroni, Francesco D' Abrosca, Georges Fokom, Laura Comini, Michele Vitacca
A high variability in functional tests and activities used during the pulmonary rehabilitation has been observed in post-intensive care unit (ICU) patients, and the best battery of tests to adopt has not been described yet. We tested in patients admitted in a post-ICU Step Down Unit the ability to perform the more frequent functional volitional tests. The relations of each single volitional test with general disability and dyspnea at discharge were also evaluated. Ten volitional tests including: bedside spirometry test (ST: FEV1%, FVC%), maximal inspiratory pressure (MIP), maximal expiratory pressure (MEP), Peak Expiratory Flow during Cough (PCEF), Quadriceps Muscle Strength (QMS), latissimus Dorsi and teres Major Strength (DMS), Brachial biceps Muscle Strength (BMS), effort tolerance measured by sit-to-stand test, Takahashi test and 6-Min Walking Test (6MWT), were evaluated in post-ICU patients at entry and discharge from in-hospital rehabilitation...
May 18, 2017: Monaldi Archives for Chest Disease, Archivio Monaldi Per le Malattie del Torace
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