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https://www.readbyqxmd.com/read/28821971/multiscale-mechanics-of-the-cervical-facet-capsular-ligament-with-particular-emphasis-on-anomalous-fiber-realignment-prior-to-tissue-failure
#1
Sijia Zhang, Vahhab Zarei, Beth A Winkelstein, Victor H Barocas
The facet capsular ligaments encapsulate the bilateral spinal facet joints and are common sources of painful injury due to afferent innervation. These ligaments exhibit architectural complexity, which is suspected to contribute to the experimentally observed lack of co-localization between macroscopic strain and microstructural tissue damage. The heterogeneous and multiscale nature of this ligament, combined with challenges in experimentally measuring its microscale mechanics, hinders the ability to understand sensory mechanisms under normal or injurious loading...
August 18, 2017: Biomechanics and Modeling in Mechanobiology
https://www.readbyqxmd.com/read/28821621/protein-kinase-g-confers-survival-advantage-to-mycobacterium-tuberculosis-during-latency-like-conditions
#2
Mehak Zahoor Khan, Ashima Bhaskar, Sandeep Upadhyay, Pooja Kumari, Raju S Rajmani, Preeti Jain, Amit Singh, Dhiraj Kumar, Neel Sarovar Bhavesh, Vinay Kumar Nandicoori
Protein Kinase G (PknG), a thioredoxin-fold containing eukaryotic like serine/threonine protein kinase (STPK), is a virulence factor in the Mycobacterium tuberculosis, required for inhibition of phago-lysosomal fusion. Here, we unravelled novel functional facets of PknG during latency like conditions. We find that PknG mediates persistence under stressful conditions like hypoxia and abets drug tolerance. PknG mutant displayed minimal growth in nutrient limiting conditions suggesting its role in modulating cellular metabolism...
August 18, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28820519/how-the-consolidated-framework-for-implementation-research-can-strengthen-findings-and-improve-translation-of-research-into-practice-a-case-study
#3
Nadja Klafke, Cornelia Mahler, Cornelia von Hagens, Michel Wensing, Andreas Schneeweiss, Andreas Müller, Joachim Szecsenyi, Stefanie Joos
PURPOSE/OBJECTIVES: To answer how the planned intervention was performed in routine care, which factors supported or distracted from its implementation, and how key organizational structures have been built and sustained.
. RESEARCH APPROACH: Mixed-methods process evaluation.
. SETTING: Two German outpatient cancer clinics.
. PARTICIPANTS: Purposive sampling of 297 recruited patients with gynecologic cancer, their treating oncology nurses, and their interprofessional healthcare team, and the clinical stakeholders of two different outpatient cancer clinics...
September 1, 2017: Oncology Nursing Forum
https://www.readbyqxmd.com/read/28819131/impulsiveness-does-not-prevent-cooperation-from-emerging-but-reduces-its-occurrence-an-experiment-with-zebra-finches
#4
Camille Chia, Frédérique Dubois
Reciprocal altruism, the most probable mechanism for cooperation among unrelated individuals, can be modelled as a Prisoner's Dilemma. This game predicts that cooperation should evolve whenever the players, who expect to interact repeatedly, make choices contingent to their partner's behaviour. Experimental evidence, however, indicates that reciprocity is rare among animals. One reason for this would be that animals are very impulsive compared to humans. Several studies have reported that temporal discounting (that is, strong preferences for immediate benefits) has indeed a negative impact on the occurrence of cooperation...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28817980/pathways-to-pulmonary-hypertension-in-sickle-cell-disease-the-search-for-prevention-and-early-intervention
#5
Natalie R Shilo, Claudia R Morris
Pulmonary hypertension (PH) develops in a significant number of patients with sickle cell disease (SCD), resulting in increased morbidity and mortality. This review focuses on PH pathophysiology, risk stratification, and new recommendations for screening and treatment for patients with SCD. Areas covered: An extensive PubMed literature search was performed. While the pathophysiology of PH in SCD is yet to be fully deciphered, it is known that the etiology is multifactorial; hemolysis, hypercoagulability, hypoxemia, ischemic-reperfusion injury, oxidative stress, and genetic susceptibility all contribute in varying degrees to endothelial dysfunction...
August 18, 2017: Expert Review of Hematology
https://www.readbyqxmd.com/read/28817156/a-possible-grinder-from-tell-arbid-syria
#6
Mindy C Pitre, Rafał Koliński, Arkadiusz Sołtysiak
Cereal grinding has been practiced in Mesopotamia since the Upper Palaeolithic. While evidence of cereal grinding is clear from the archaeological and textual records, what remains unclear is whether the activity leaves signs on the skeleton in the form of markers of occupational stress (MOS). A particular constellation of MOS (e.g., osteoarthritis, traumatic injuries, and accessory articular facets) has previously been used to infer the habitual grinding of grain. These same MOS were recently observed in the skeleton of a female discovered in the Middle Bronze Age cemetery at Tell Arbid, NE Syria...
August 17, 2017: Anthropologischer Anzeiger; Bericht über die Biologisch-anthropologische Literatur
https://www.readbyqxmd.com/read/28816871/aospine-classification-systems-subaxial-thoracolumbar
#7
Klaus J Schnake, Gregory D Schroeder, Alexander R Vaccaro, Cumhur Oner
Numerous classification systems for subaxial and thoracolumbar spine injuries were proposed in the past with the attempt to facilitate communication between physicians. The AO-Magerl, thoracolumbar system, and Subaxial Cervical Spine Injury Classification systems are all well known, but did not achieve universal international adoption. A group of international experienced spine trauma surgeons were brought together by AOSpine with the goal to develop a comprehensive yet simple classification system for spinal trauma...
September 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28816661/a-3d-reconstruction-strategy-of-vehicle-outline-based-on-single-pass-single-polarization-csar-data
#8
Leping Chen, Daoxiang An, Xiaotao Huang, Zhimin Zhou
In the last few years, interest in circular synthetic aperture radar (CSAR) acquisitions has arisen as a consequence of the potential achievement of three-dimensional (3D) reconstructions over 360° azimuth angle variation. In real-world scenarios full 3D reconstructions of arbitrary targets need multi-pass data, which makes the processing complex, money-consuming and time-expending. In this paper, we propose a processing strategy for the 3D reconstruction of vehicle, which can avoid using multi-pass data by introducing a priori information of vehicle's shape...
August 14, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28816222/an-outlier-in-public-health-history-in-india-a-t-w-simeons-s-scheme-for-rural-medical-relief-kolhapur-1943-47
#9
Shubhada Pandya
It is customary to date provision of health services in rural India to the Report of the Bhore Committee (1946) and its descendants. It is presumed that in pre-Bhore India (the last half-century of the British era) the rural public health scenario was devoid of discerning commentators and practical effort. The presumption is misleading. Historical material shows that attempts, official and non-official, to improve rural environments and attend to the health problems of villagers were not wanting. Such efforts followed two main, sometimes intersecting, streams, namely sanitation and medical relief...
March 2017: National Medical Journal of India
https://www.readbyqxmd.com/read/28815629/impulsive-decision-making-in-young-adult-social-drinkers-and-detoxified-alcohol-dependent-patients-a-cross-sectional-and-longitudinal-study
#10
Nadine Bernhardt, Stephan Nebe, Shakoor Pooseh, Miriam Sebold, Christian Sommer, Julian Birkenstock, Ulrich S Zimmermann, Andreas Heinz, Michael N Smolka
BACKGROUND: Impulsive decision making relates to problematic substance use. Specifically, altered delay discounting has been suggested as a behavioral marker for addiction, while other relevant facets of choice impulsivity such as probability discounting or loss aversion are clearly understudied. METHODS: Two studies were performed collecting behavioral data on choice impulsivity with a value-based decision-making battery providing estimates of delay discounting, probability discounting for gains and losses, and loss aversion...
August 17, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28815600/the-many-facets-of-mindfulness-and-the-prediction-of-change-following-mindfulness-based-stress-reduction-mbsr
#11
Michael J Gawrysiak, Stevie N Grassetti, Jeffrey M Greeson, Ryan C Shorey, Ryan Pohlig, Michael J Baime
OBJECTIVES: Mindfulness-based stress reduction (MBSR) promotes numerous psychological benefits, but few studies have identified for whom MBSR is most effective. The current study tested the hypothesis that lower baseline mindfulness invites more "room to grow" and, thus, predicts greater improvement during MBSR. METHOD: We examined three facets of mindfulness (awareness, acceptance, decentering) among 131 MBSR participants prior to enrollment, to test the hypothesis that lower baseline mindfulness predicts greater improvements in perceived stress, positive affect (PA), and negative affect (NA) following MBSR...
August 16, 2017: Journal of Clinical Psychology
https://www.readbyqxmd.com/read/28815147/triangulating-methodologies-from-software-medicine-and-human-factors-industries-to-measure-usability-and-clinical-efficacy-of-medication-data-visualization-in-an-electronic-health-record-system
#12
Bora Chang, Manoj Kanagaraj, Ben Neely, Noa Segall, Erich Huang
Within the last decade, use of Electronic Health Record (EHR) systems has become intimately integrated into healthcare practice in the United States. However, large gaps remain in the study of clinical usability and require rigorous and innovative approaches for testing usability principles. In this study, validated tools from the core functions that EHRs serve-software, medicine and human factors-were combined to holistically understand and objectively measure usability of medication data displays. The first phase of this study included 132 medical trainee participants who were randomized to one of two simulated EHR environments with either a medication list or a medication timeline visualization...
2017: AMIA Summits on Translational Science Proceedings
https://www.readbyqxmd.com/read/28815123/rapid-and-reusable-text-visualization-and-exploration-development-with-delve
#13
Daniel R Harris, Ramakanth Kavuluru, Jerzy W Jaromczyk, Todd R Johnson
We present DELVE (Document ExpLoration and Visualization Engine), a framework for developing interactive visualizations as modular Web-applications to assist researchers with exploratory literature search. The goal for web-applications driven by DELVE is to better satisfy the information needs of researchers and to help explore and understand the state of research in scientific liter ature by providing immersive visualizations that both contain facets and are driven by facets derived from the literature. We base our framework on principles from user-centered design and human-computer interaction (HCI)...
2017: AMIA Summits on Translational Science Proceedings
https://www.readbyqxmd.com/read/28815114/an-exploration-of-latent-structure-in-observational-huntington-s-disease-studies
#14
Soumya Ghosh, Zhaonan Sun, Ying Li, Yu Cheng, Amrita Mohan, Cristina Sampaio, Jianying Hu
Huntington's disease (HD) is a monogenic neurodegenerative disorder characterized by the progressive decay of motor and cognitive abilities accompanied by psychiatric episodes. Tracking and modeling the progression of the multi-faceted clinical symptoms of HD is a challenging problem that has important implications for staging of HD patients and the development of improved enrollment criteria for future HD studies and trials. In this paper, we describe the first steps towards this goal. We begin by curating data from four recent observational HD studies, each containing a diverse collection of clinical assessments...
2017: AMIA Summits on Translational Science Proceedings
https://www.readbyqxmd.com/read/28815024/stem-cell-derived-organoids-to-model-gastrointestinal-facets-of-cystic-fibrosis
#15
REVIEW
Meike Hohwieler, Lukas Perkhofer, Stefan Liebau, Thomas Seufferlein, Martin Müller, Anett Illing, Alexander Kleger
Cystic fibrosis (CF) is one of the most frequently occurring inherited human diseases caused by mutations in the cystic fibrosis transmembrane conductance regulator (CFTR) which lead to ample defects in anion transport and epithelial fluid secretion. Existing models lack both access to early stages of CF development and a coeval focus on the gastrointestinal CF phenotypes, which become increasingly important due increased life span of the affected individuals. Here, we provide a comprehensive overview of gastrointestinal facets of CF and the opportunity to model these in various systems in an attempt to understand and treat CF...
August 2017: United European Gastroenterology Journal
https://www.readbyqxmd.com/read/28814782/monolithic-beam-steering-in-a-mid-infrared-surface-emitting-photonic-integrated-circuit
#16
Steven Slivken, Donghai Wu, Manijeh Razeghi
The mid-infrared (2.5 < λ < 25 μm) spectral region is utilized for many purposes, such as chemical/biological sensing, free space communications, and illuminators/countermeasures. Compared to near-infrared optical systems, however, mid-infrared component technology is still rather crude, with isolated components exhibiting limited functionality. In this manuscript, we make a significant leap forward in mid-infrared technology by developing a platform which can combine functions of multiple mid-infrared optical elements, including an integrated light source...
August 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28814267/sex-and-tissue-specific-gene-expression-patterns-identified-following-de-novo-transcriptomic-analysis-of-the-norway-lobster-nephrops-norvegicus
#17
Guiomar Rotllant, Tuan Viet Nguyen, Valerio Sbragaglia, Lifat Rahi, Kevin J Dudley, David Hurwood, Tomer Ventura, Joan B Company, Vincent Chand, Jacopo Aguzzi, Peter B Mather
BACKGROUND: The Norway lobster, Nephrops norvegicus, is economically important in European fisheries and is a key organism in local marine ecosystems. Despite multi-faceted scientific interest in this species, our current knowledge of genetic resources in this species remains very limited. Here, we generated a reference de novo transcriptome for N. norvegicus from multiple tissues in both sexes. Bioinformatic analyses were conducted to detect transcripts that were expressed exclusively in either males or females...
August 16, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28814257/discharge-interventions-and-modifiable-risk-factors-for-preventing-hospital-readmissions-in-children-with-medical-complexity
#18
John Stephens, Kelly S Kimple, Michael J Steiner, Jay G Berry
BACKGROUND: Concerns about the costs and quality of hospital care have led to increased interest in hospital readmissions in children. Children with medical complexity account for high proportions of inpatient utilization and have a higher risk of hospital readmission. OBJECTIVE: To identify studies of discharge interventions to prevent hospital readmissions in children with medical complexity. METHODS: We conducted a search to identify studies of discharge interventions...
August 16, 2017: Reviews on Recent Clinical Trials
https://www.readbyqxmd.com/read/28814080/drug-delivery-from-a-multi-faceted-ultrasound-contrast-agent-influence-of-shell-composition
#19
Lauren J Jablonowski, Nutte T Teraphongphom, Margaret A Wheatley
Many cancer therapy regimes still rely heavily on the systemic administration of toxic chemotherapeutic agents. Ultrasound contrast agents consisting of microbubbles (MB) have emerged as a drug delivery vehicle to overcome the challenges associated with systemic chemotherapy. Here we describe the development of non-immunogenic, functionalized polylactic acid (PLA) MB for use in targeted cancer therapy. Our previous studies have shown that the balance between acoustic behavior and improved immune avoidance was scalable and successful to different degrees with two different PEGylation methods, and was best achieved using incorporation of PEG-PLA at 5 wt% and for a LipidPEG at 1 wt%...
August 16, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28813469/phytoplasma-infection-of-a-tropical-root-crop-triggers-bottom-up-cascades-by-favoring-generalist-over-specialist-herbivores
#20
Kris A G Wyckhuys, Ignazio Graziosi, Dharani Dhar Burra, Abigail Jan Walter
Global interest on plant-microbe-insect interactions is rapidly growing, revealing the multiple ways in which microorganisms mediate plant-herbivore interactions. Phytopathogens regularly alter whole repertoires of plant phenotypic traits, and bring about shifts in key chemical or morphological characteristics of plant hosts. Pathogens can also cause cascading effects on higher trophic levels, and eventually shape entire plant-associated arthropod communities. We tested the hypothesis that a Candidatus Phytoplasma causing cassava witches' broom (CWB) on cassava (Manihot esculenta Grantz) is altering species composition of invasive herbivores and their associated parasitic hymenopterans...
2017: PloS One
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