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https://www.readbyqxmd.com/read/28934586/improving-student-outcomes-in-higher-education-the-science-of-targeted-intervention
#1
Judith M Harackiewicz, Stacy J Priniski
Many theoretically based interventions have been developed over the past two decades to improve educational outcomes in higher education. Based in social-psychological and motivation theories, well-crafted interventions have proven remarkably effective because they target specific educational problems and the processes that underlie them. In this review, we evaluate the current state of the literature on targeted interventions in higher education with an eye to emerging theoretical and conceptual questions about intervention science...
September 20, 2017: Annual Review of Psychology
https://www.readbyqxmd.com/read/28934286/denitrification-potential-of-the-eastern-oyster-microbiome-using-a-16s-rrna-gene-based-metabolic-inference-approach
#2
Ann Arfken, Bongkeun Song, Jeff S Bowman, Michael Piehler
The eastern oyster (Crassostrea virginica) is a foundation species providing significant ecosystem services. However, the roles of oyster microbiomes have not been integrated into any of the services, particularly nitrogen removal through denitrification. We investigated the composition and denitrification potential of oyster microbiomes with an approach that combined 16S rRNA gene analysis, metabolic inference, qPCR of the nitrous oxide reductase gene (nosZ), and N2 flux measurements. Microbiomes of the oyster digestive gland, the oyster shell, and sediments adjacent to the oyster reef were examined based on next generation sequencing (NGS) of 16S rRNA gene amplicons...
2017: PloS One
https://www.readbyqxmd.com/read/28933205/mass-spectrometry-methods-to-study-protein-metabolite-interactions
#3
Hongbo Guo, Hui Peng, Andrew Emili
To ​​​​understand and manipulate biochemical processes and signaling pathways, the knowledge of endogenous protein-metabolite interactions would be extremely helpful. Recent developments in precision mass spectrometry, high-throughput proteomics and sensitive metabolomic profiling are beginning to converge on a possible solution, heralding a new era of global metabolome-proteome 'interactome' studies that promise to change biomedical research and drug discovery. Areas covered: Here, we review innovative mass spectrometry-based methods and recent pioneering studies aimed at elucidating the physical associations of small molecule ligands with cellular proteins...
September 21, 2017: Expert Opinion on Drug Discovery
https://www.readbyqxmd.com/read/28932815/a-multicenter-study-to-evaluate-the-performance-of-high-throughput-sequencing-for-virus-detection
#4
Arifa S Khan, Siemon H S Ng, Olivier Vandeputte, Aisha Aljanahi, Avisek Deyati, Jean-Pol Cassart, Robert L Charlebois, Lanyn P Taliaferro
The capability of high-throughput sequencing (HTS) for detection of known and unknown viruses makes it a powerful tool for broad microbial investigations, such as evaluation of novel cell substrates that may be used for the development of new biological products. However, like any new assay, regulatory applications of HTS need method standardization. Therefore, our three laboratories initiated a study to evaluate performance of HTS for potential detection of viral adventitious agents by spiking model viruses in different cellular matrices to mimic putative materials for manufacturing of biologics...
September 2017: MSphere
https://www.readbyqxmd.com/read/28932180/hardware-efficient-on-line-learning-through-pipelined-truncated-error-backpropagation-in-binary-state-networks
#5
Hesham Mostafa, Bruno Pedroni, Sadique Sheik, Gert Cauwenberghs
Artificial neural networks (ANNs) trained using backpropagation are powerful learning architectures that have achieved state-of-the-art performance in various benchmarks. Significant effort has been devoted to developing custom silicon devices to accelerate inference in ANNs. Accelerating the training phase, however, has attracted relatively little attention. In this paper, we describe a hardware-efficient on-line learning technique for feedforward multi-layer ANNs that is based on pipelined backpropagation...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28931883/high-throughput-targeted-screening-in-triple-negative-breast-cancer-cells-identifies-wnt-inhibiting-activities-in-pacific-brittle-stars
#6
Artem Blagodatski, Vsevolod Cherepanov, Alexey Koval, Vladimir I Kharlamenko, Yuri S Khotimchenko, Vladimir L Katanaev
Pro-proliferative oncogenic signaling is one of the hallmarks of cancer. Specific targeting of such signaling pathways is one of the main approaches to modern anti-cancer drug discovery, as opposed to more traditional search for general cytotoxic agents. Natural products, especially from marine sources, represent a largely untapped source of chemical diversity, which so far have mostly been screened for cytotoxicity. Here we present a pioneering pipeline of high-throughput screening of marine-based activities targeted against the Wnt signaling pathway, which is one of the key factors in oncogenic transformation, growth and metastasis in different cancers, including the devastating triple-negative breast cancer (TNBC) currently lacking any targeted therapies...
September 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28931740/single-sperm-sequencing-reveals-the-accelerated-mitochondrial-mutation-rate-in-male-daphnia-pulex-crustacea-cladocera
#7
Sen Xu, Kenny Van Tran, Swatantra Neupane, Marelize Snyman, Trung Viet Huynh, Way Sung
Mutation rate in the nuclear genome differs between sexes, with males contributing more mutations than females to their offspring. The male-biased mutation rates in the nuclear genome is most likely to be driven by a higher number of cell divisions in spermatogenesis than in oogenesis, generating more opportunities for DNA replication errors. However, it remains unknown whether male-biased mutation rates are present in mitochondrial DNA (mtDNA). Although mtDNA is maternally inherited and male mtDNA mutation typically does not contribute to genetic variation in offspring, male mtDNA mutations are critical for male reproductive health...
September 27, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28931601/local-cellular-neighbourhood-controls-proliferation-in-cell-competition
#8
Anna Bove, Daniel Gradeci, Yasuyuki Fujita, Shiladitya Banerjee, Guillaume Charras, Alan R Lowe
Cell competition is a quality control mechanism through which tissues eliminate unfit cells. Cell competition can result from short-range biochemical inductions or long-range mechanical cues. However, little is known about how cell-scale interactions give rise to population shifts in tissues, due to the lack of experimental and computational tools to efficiently characterise interactions at the single-cell level. Here, we address these challenges by combining long-term automated microscopy with deep learning image analysis to decipher how single-cell behaviour determines tissue make-up during competition...
September 20, 2017: Molecular Biology of the Cell
https://www.readbyqxmd.com/read/28930763/a-new-community-health-center-academic-medicine-partnership-for-medicaid-cost-control-powered-by-the-mega-teaching-health-center
#9
Richard E Rieselbach, Ted Epperly, Aaron Friedman, David Keahey, Eleanor McConnell, Karen Nichols, Greg Nycz, Jeanette Roberts, Kenneth Schmader, Peter Shin, Derri Shtasel
Community health centers (CHCs), a principal source of primary care for over 24 million patients, provide high-quality affordable care for medically underserved and lower-income populations in urban and rural communities. The authors propose that CHCs can assume an important role in the quest for health care reform by serving substantially more Medicaid patients. Major expansion of CHCs, powered by mega teaching health centers (THCs) in partnership with regional academic medical centers (AMCs) or teaching hospitals, could increase Medicaid beneficiaries' access to cost-effective care...
September 14, 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/28930642/microbial-complexes-and-caries-in-17-year-olds-with-and-without-streptococcus-mutans
#10
L Eriksson, P Lif Holgerson, A Esberg, I Johansson
Streptococcus mutans is a key bacterial species in the caries process, which affects >90% of the population worldwide. However, other acidogenic and aciduric/acidophilic species may contribute to disease development. In Sweden, a country with low prevalences of caries and S. mutans, a significant portion of caries-affected adolescents lack detectable levels of S. mutans. The objectives of the present study were 1) to characterize the tooth biofilm and saliva microbiota of adolescents with caries disease, with or without detectable S...
September 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28930522/advances-in-tick-vaccinology-in-brazil-from-gene-expression-to-immunoprotection
#11
Renato Andreotti, Poliana Fernanda Giachetto, Rodrigo Casquero Cunha
Rhipicephalus (Boophilus) microplus has substantial economic impact on the cattle breeding industry and, chemical control and tick resistance development are the major concern. There is a worldwide search for new options, and control using vaccines has been the main focus nowadays. Studies performed in Brazil found that Bm86-based immunization of bovines reduced the infestation of R. (B.) microplus of vaccinated bovines by 45% to 60%. Native Boophilusmicroplus tripsin inhibitors (BmTIs) with trypsin-, kallikrein-, and elastase-inhibiting activities have been used as immunogens in bovines reaching 72...
January 1, 2018: Frontiers in Bioscience (Scholar Edition)
https://www.readbyqxmd.com/read/28930221/compounds-from-terminalia-mantaly-l-combretaceae-stem-bark-exhibit-potent-inhibition-against-some-pathogenic-yeasts-and-enzymes-of-metabolic-significance
#12
Marthe Aimée Tchuente Tchuenmogne, Thierry Ngouana Kammalac, Sebastian Gohlke, Rufin Marie Toghueo Kouipou, Abdulselam Aslan, Muslum Kuzu, Veysel Comakli, Ramazan Demirdag, Silvère Augustin Ngouela, Etienne Tsamo, Norbert Sewald, Bruno Ndjakou Lenta, Fabrice Fekam Boyom
Background: Pathogenic yeasts resistance to current drugs emphasizes the need for new, safe, and cost-effective drugs. Also, new inhibitors are needed to control the effects of enzymes that are implicated in metabolic dysfunctions such as cancer, obesity, and epilepsy. Methods: The anti-yeast extract from Terminalia mantaly (Combretaceae) was fractionated and the structures of the isolated compounds established by means of spectroscopic analysis and comparison with literature data. Activity was assessed against Candida albicans, C...
January 24, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28929974/reconstruction-and-visualization-of-large-scale-volumetric-models-of-neocortical-circuits-for-physically-plausible-in-silico-optical-studies
#13
Marwan Abdellah, Juan Hernando, Nicolas Antille, Stefan Eilemann, Henry Markram, Felix Schürmann
BACKGROUND: We present a software workflow capable of building large scale, highly detailed and realistic volumetric models of neocortical circuits from the morphological skeletons of their digitally reconstructed neurons. The limitations of the existing approaches for creating those models are explained, and then, a multi-stage pipeline is discussed to overcome those limitations. Starting from the neuronal morphologies, we create smooth piecewise watertight polygonal models that can be efficiently utilized to synthesize continuous and plausible volumetric models of the neurons with solid voxelization...
September 13, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28929858/partnering-to-develop-a-talent-pipeline-for-emerging-health-leaders-in-operations-research
#14
Alfred Ng, Carly Henshaw, Michael Carter
In initiating its first central office for Quality Improvement (QI), The Scarborough Hospital (TSH) sought to accelerate momentum towards achieving its "Quality and Sustainability" strategic priority by building internal capacity in the emerging QI specialty of operations research. The Scarborough Hospital reviewed existing models of talent management in conjunction with Lean and improvement philosophies. Through simple guiding principles and in collaboration with the University of Toronto's Centre for Healthcare Engineering, TSH developed a targeted approach to talent management for Operations Research (OR) in the Office of Innovation and Performance Improvement, reduced the time from staffing need to onboarding, accelerated the development of new staff in delivering QI and OR projects, and defined new structures and processes to retain and develop this group of new emerging health leaders...
May 2017: Healthcare Management Forum
https://www.readbyqxmd.com/read/28929643/demons-registration-for-in-vivo-and-deformable-laser-scanning-confocal-endomicroscopy
#15
Wei-Ming Chiew, Feng Lin, Hock Soon Seah
A critical effect found in noninvasive in vivo endomicroscopic imaging modalities is image distortions due to sporadic movement exhibited by living organisms. In three-dimensional confocal imaging, this effect results in a dataset that is tilted across deeper slices. Apart from that, the sequential flow of the imaging-processing pipeline restricts real-time adjustments due to the unavailability of information obtainable only from subsequent stages. To solve these problems, we propose an approach to render Demons-registered datasets as they are being captured, focusing on the coupling between registration and visualization...
September 2017: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/28929430/new-drugs-in-the-pipeline-for-the-treatment-of-hiv-a-review
#16
REVIEW
Leigh Anne Hylton Gravatt, Crystal R Leibrand, Sulay Patel, MaryPeace McRae
PURPOSE OF REVIEW: The purpose of this paper is to review therapies with new mechanisms of action for the treatment of HIV that are at least in phase 2 clinical trials. RECENT FINDINGS: There are several new mechanisms of action being represented within clinical development, including histone deacetylase (HDAC) inhibitors, gene therapies, broadly neutralizing anti-HIV antibodies, immune modulation, and drugs with new mechanisms to block HIV entry. The new therapies are being developed for both as add-on therapy to existing combination antiretroviral therapy and as agents to be used during treatment interruption...
September 19, 2017: Current Infectious Disease Reports
https://www.readbyqxmd.com/read/28928951/the-new-alchemy-online-networking-data-sharing-and-research-activity-distribution-tools-for-scientists
#17
Antony J Williams, Lou Peck, Sean Ekins
There is an abundance of free online tools accessible to scientists and others that can be used for online networking, data sharing and measuring research impact. Despite this, few scientists know how these tools can be used or fail to take advantage of using them as an integrated pipeline to raise awareness of their research outputs. In this article, the authors describe their experiences with these tools and how they can make best use of them to make their scientific research generally more accessible, extending its reach beyond their own direct networks, and communicating their ideas to new audiences...
2017: F1000Research
https://www.readbyqxmd.com/read/28928155/few-novel-antibiotics-in-the-pipeline-who-warns
#18
Zosia Kmietowicz
No abstract text is available yet for this article.
September 19, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28927585/whole-genome-and-transcriptome-sequencing-of-prostate-cancer-identify-new-genetic-alterations-driving-disease-progression
#19
Shancheng Ren, Gong-Hong Wei, Dongbing Liu, Liguo Wang, Yong Hou, Shida Zhu, Lihua Peng, Qin Zhang, Yanbing Cheng, Hong Su, Xiuqing Zhou, Jibin Zhang, Fuqiang Li, Hancheng Zheng, Zhikun Zhao, Changjun Yin, Zengquan He, Xin Gao, Haiyen E Zhau, Chia-Yi Chu, Jason Boyang Wu, Colin Collins, Stanislav V Volik, Robert Bell, Jiaoti Huang, Kui Wu, Danfeng Xu, Dingwei Ye, Yongwei Yu, Lianhui Zhu, Meng Qiao, Hang-Mao Lee, Yuehong Yang, Yasheng Zhu, Xiaolei Shi, Rui Chen, Yang Wang, Weidong Xu, Yanqiong Cheng, Chuanliang Xu, Xu Gao, Tie Zhou, Bo Yang, Jianguo Hou, Li Liu, Zhensheng Zhang, Yao Zhu, Chao Qin, Pengfei Shao, Jun Pang, Leland W K Chung, Jianfeng Xu, Chin-Lee Wu, Weide Zhong, Xun Xu, Yingrui Li, Xiuqing Zhang, Jian Wang, Huanming Yang, Jun Wang, Haojie Huang, Yinghao Sun
BACKGROUND: Global disparities in prostate cancer (PCa) incidence highlight the urgent need to identify genomic abnormalities in prostate tumors in different ethnic populations including Asian men. OBJECTIVE: To systematically explore the genomic complexity and define disease-driven genetic alterations in PCa. DESIGN, SETTING, AND PARTICIPANTS: The study sequenced whole-genome and transcriptome of tumor-benign paired tissues from 65 treatment-naive Chinese PCa patients...
September 15, 2017: European Urology
https://www.readbyqxmd.com/read/28927526/putative-biomarkers-for-cervical-cancer-snvs-methylation-and-expression-profiles
#20
REVIEW
Maria de Fátima Senra Cardoso, Carlos Henrique Madeiros Castelletti, José Luiz de Lima-Filho, Danyelly Bruneska Gondim Martins, José António Couto Teixeira
Cervical cancer is primarily caused by Human papillomavirus (HPV) infection, but other factors such as smoking habits, co-infections and genetic background, can also contribute to its development. Although this cancer is avoidable, it is the fourth most frequent type of cancer in females worldwide and can only be treated with chemotherapy and radical surgery. There is a need for biomarkers that will enable early diagnosis and targeted therapy for this type of cancer. Therefore, a systems biology pipeline was applied in order to identify potential biomarkers for cervical cancer, which show significant reports in three molecular aspects: DNA sequence variants, DNA methylation pattern and alterations in mRNA/protein expression levels...
July 2017: Mutation Research
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