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https://www.readbyqxmd.com/read/28449120/sigseeker-a-peak-calling-ensemble-approach-for-constructing-epigenetic-signatures
#1
Jens Lichtenberg, Laura Elnitski, David M Bodine
Motivation: Epigenetic data are invaluable when determining the regulatory programs governing a cell. Based on use of next-generation sequencing data for characterizing epigenetic marks and transcription factor binding, numerous peak-calling approaches have been developed to determine sites of genomic significance in these data. Such analyses can produce a large number of false positive predictions, suggesting that sites supported by multiple algorithms provide a stronger foundation for inferring and characterizing regulatory programs associated with the epigenetic data...
April 25, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28449038/real-time-imaging-of-single-neuronal-cell-apoptosis-in-patients-with-glaucoma
#2
Maria F Cordeiro, Eduardo M Normando, M Jorge Cardoso, Serge Miodragovic, Seham Jeylani, Benjamin M Davis, Li Guo, Sebastien Ourselin, Roger A'Hern, Philip A Bloom
Retinal cell apoptosis occurs in many ocular neurodegenerative conditions including glaucoma-the major cause of irreversible blindness worldwide. Using a new imaging technique that we have called DARC (detection of apoptosing retinal cells), which until now has only been demonstrated in animal models, we assessed if annexin 5 labelled with fluorescent dye DY-776 (ANX776) could be used safely in humans to identify retinal cell apoptosis. Eight patients with glaucomatous neurodegeneration and evidence of progressive disease, and eight healthy subjects were randomly assigned to intravenous ANX776 doses of 0...
April 26, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28448863/multi-sited-hydatid-cystic-disease-with-muscular-involvement-in-a-young-female-a-case-report-from-syria
#3
Hazem Aljasem, Mohammad Almess, Monzer Bakgagi
INTRODUCTION: Hydatidosis is a unique disease caused by a tapeworm called Echinococcus granulosus. Musculoskeletal involvement with hydatid cystic disease accounts for less than 5% of all cases. The main purpose of this study is to present a case of multi-sited hydatid cystic disease and how to manage it. PRESENTATION OF CASE: Here we present a case of 14-year-old girl complained of a gradually enlarging mass on her left shoulder with a final diagnosis of triple-sited hydatid cystic disease including the right lung, the left trapezius muscle and the liver...
April 19, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28448836/breast-cancer-detection-in-automated-3d-breast-ultrasound-using-iso-contours-and-cascaded-rusboosts
#4
Ehsan Kozegar, Mohsen Soryani, Hamid Behnam, Masoumeh Salamati, Tao Tan
Automated 3D breast ultrasound (ABUS) is a new popular modality as an adjunct to mammography for detecting cancers in women with dense breasts. In this paper, a multi-stage computer aided detection system is proposed to detect cancers in ABUS images. In the first step, an efficient despeckling method called OBNLM is applied on the images to reduce speckle noise. Afterwards, a new algorithm based on isocontours is applied to detect initial candidates as the boundary of masses is hypo echoic. To reduce false generated isocontours, features such as hypoechoicity, roundness, area and contour strength are used...
April 20, 2017: Ultrasonics
https://www.readbyqxmd.com/read/28448784/a-motivational-interviewing-intervention-by-pharmacy-students-to-improve-medication-adherence
#5
Susan Abughosh, Xin Wang, Omar Serna, Tara Esse, Amanda Mann, Santhi Masilamani, Marcia McDonnell Holstad, Ekere James Essien, Marc Fleming
BACKGROUND: Diabetes mellitus (DM) patients with comorbid hypertension (HTN) are at a higher risk of developing microvascular and macrovascular DM complications. Through guideline-driven recommendations, angiotensin-converting enzyme inhibitors (ACEIs) and angiotensin II receptor blockers (ARBs) are highly recommended for these patients. Unfortunately, medication adherence to these products, though crucial to achieving therapeutic benefit, is frequently suboptimal. Motivational interviewing (MI) is a patient-centered collaborative communication style that is used to strengthen internal motivation for change that may prove effective in enhancing adherence...
May 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28448516/natural-variation-of-pirna-expression-affects-immunity-to-transposable-elements
#6
Sergei Ryazansky, Elizaveta Radion, Anastasia Mironova, Natalia Akulenko, Yuri Abramov, Valeriya Morgunova, Maria Y Kordyukova, Ivan Olovnikov, Alla Kalmykova
In the Drosophila germline, transposable elements (TEs) are silenced by PIWI-interacting RNA (piRNA) that originate from distinct genomic regions termed piRNA clusters and are processed by PIWI-subfamily Argonaute proteins. Here, we explore the variation in the ability to restrain an alien TE in different Drosophila strains. The I-element is a retrotransposon involved in the phenomenon of I-R hybrid dysgenesis in Drosophila melanogaster. Genomes of R strains do not contain active I-elements, but harbour remnants of ancestral I-related elements...
April 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28448366/project-tendr
#7
Laura Anderko
: Chemicals are ubiquitous in the food we eat, the water we drink, the air we breathe, and the products we use at work and in our personal lives. Toxic chemicals increase the risk of cognitive, behavioral, and neurodevelopmental disorders throughout the life span. The Toxic Substances Control Act of 1976 was intended to allow for the collection of data on and regulation of these chemicals but has been criticized for its significant limitations in protecting the public's health. In recognition of the scientific evidence demonstrating the connection between toxic environmental chemicals and neurodevelopmental disorders, Project TENDR (Targeting Environmental Neuro-Developmental Risks)-a collaborative initiative of scientists, health professionals, and children's health advocates-produced a call to action last July with the aim of reducing exposure to chemicals and pollutants that contribute to the development of these disorders...
May 2017: American Journal of Nursing
https://www.readbyqxmd.com/read/28448329/effect-of-educational-program-on-self-care-behaviors-and-health-outcome-among-patients-with-heart-failure-an-experimental-study
#8
Manal M Al-Sutari, Muayyad M Ahmad
OBJECTIVES: To implement an educational program for patients with heart failure and to assess its effectiveness on self-care behaviors and health outcomes (frequency of hospitalizations, emergency department visits, and deaths). METHODS: A comparative-experimental design was used. A total of 144 participants were randomized into the intervention group (who received individualized education session, self-care manual, and weekly phone calls) and the control group (who received usual care)...
April 26, 2017: International Journal of Evidence-based Healthcare
https://www.readbyqxmd.com/read/28448301/patients-experience-after-a-fall-and-their-perceptions-of-fall-prevention-a-qualitative-study
#9
Mei Ling Lim, Seng Giap Marcus Ang, Kai Yunn Teo, Yan Hui Celestine Wee, Shu Ping Yee, Shu Hui Lim, Shin Yuh Ang
An exploratory descriptive study was conducted to explore the perspectives of patients who had fallen in the hospital; 100 patients were interviewed. An inductive content analysis approach was adopted. Six themes emerged: Apathetic toward falls, self-blame behavior, reluctance to impose on busy nurses, negative feelings toward nurses, overestimating own ability, and poor retention of information. Patients often downplayed the risks of falls and were reluctant to call for help.
April 26, 2017: Journal of Nursing Care Quality
https://www.readbyqxmd.com/read/28448229/breaking-through-the-glass-ceiling-consumers-in-mental-health-organisations-hierarchies
#10
Brett Scholz, Julia Bocking, Brenda Happell
Contemporary mental health policies call for consumers to be engaged in all levels of mental health service planning, implementation, and delivery. Critical approaches to traditional healthcare hierarchies can effectively challenge barriers to better engagement with consumers in mental health organisations. This qualitative exploratory study analyses how particular strategies for consumer leadership facilitate or hinder relationships between consumers and mental health services, and how these strategies influence hierarchical structures...
May 2017: Issues in Mental Health Nursing
https://www.readbyqxmd.com/read/28447988/increased-recovery-time-and-decreased-lps-administration-to-study-the-vagus-nerve-stimulation-mechanisms-in-limited-inflammatory-responses
#11
Erwan Le Maître, Priya Revathikumar, Johanna Estelius, Jon Lampa
Inflammation is a local response to infection and tissue damage mediated by activated macrophages, monocytes, and other immune cells that release cytokines and other mediators of inflammation. For a long time, humoral and cellular mechanisms have been studied for their role in regulating the immune response, but recent advances in the field of immunology and neuroscience have also unraveled specific neural mechanisms with interesting therapeutic potential. The so-called cholinergic anti-inflammatory pathway (CAP) has been described to control innate immune responses and inflammation in a very potent manner...
March 29, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28447965/perspectives-of-using-of-aseptic-drains-for-abdominal-drainage
#12
Merab Kiladze, Paata Tutberidze, Maka Gogoladze, David Tugushi, Ramaz Katsarava, Tsismari Gatenadze
AIM: Aim of the study was to evaluate the effectiveness of using different types of drain tubes to prevent and reduce the drain-associated infection rate of abdominal drainage procedures. MATERIALS AND METHODS: 80 cases of used so called "standard", "coladerm" and "chlorhexidine" drain tubes for abdominal drainage were analysed. "Standard" drain tubes were used 35 times and "coladerm" and "chlorhexidine" tubes - 20 and 25 times respectively. There were adopted in different elective and emergency so called "clean", "potentially contaminated" and "contaminated" abdominal surgical procedures...
2017: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/28447959/using-measurable-dosimetric-quantities-to-characterize-the-inter-structural-tradeoff-in-inverse-planning
#13
Hongcheng Liu, Peng Dong, Lei Xing
Traditional inverse planning relies on the use of weighting factors to balance the conflicting requirements of different structures. The manual trial-and-error determination of the weighting factors has long been recognized as a time-consuming part of treatment planning. The purpose of this work is to develop an inverse planning framework that parameterizes the dosimetric tradeoff among the structures with physically meaningful quantities to simplify the search for clinically sensible plans. In this formalism, instead of using the weighting factors, permissible variation range of the prescription dose or dose volume histogram (DVH) of the involved structures are used to characterize the "importance" of the structures...
April 27, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28447805/do-tiger-keelback-snakes-rhabdophis-tigrinus-recognize-how-toxic-they-are
#14
Akira Mori, Gordon M Burghardt
Animals that depend on defensive chemicals acquired from food may face a decision when attempting to deter predatory attacks: Should they exhibit antipredator behavior that relies on the toxicity of the sequestered chemicals or should they adopt other behaviors that can avoid predation without using the chemical defense, such as flight? Thus, it is reasonable to assume that animals that sequester prey toxins have evolved the ability to flexibly change their antipredator responses according to the amount of toxin-resource they have consumed...
April 27, 2017: Journal of Comparative Psychology
https://www.readbyqxmd.com/read/28447664/efficient-design-of-clinical-trials-and-epidemiological-research-is-it-possible
#15
REVIEW
Michael S Lauer, David Gordon, Gina Wei, Gail Pearson
Randomized clinical trials and large-scale, cohort studies continue to have a critical role in generating evidence in cardiovascular medicine; however, the increasing concern is that ballooning costs threaten the clinical trial enterprise. In this Perspectives article, we discuss the changing landscape of clinical research, and clinical trials in particular, focusing on reasons for the increasing costs and inefficiencies. These reasons include excessively complex design, overly restrictive inclusion and exclusion criteria, burdensome regulations, excessive source-data verification, and concerns about the effect of clinical research conduct on workflow...
April 27, 2017: Nature Reviews. Cardiology
https://www.readbyqxmd.com/read/28447545/effects-of-a-family-based-diabetes-intervention-on-behavioral-and-biological-outcomes-for-mexican-american-adults
#16
Marylyn Morris McEwen, Alice Pasvogel, Carolyn Murdaugh, Joseph Hepworth
Purpose The purpose of the study was to investigate the effects of a family-based self-management support intervention for adults with type 2 diabetes (T2DM). Methods Using a 2-group, experimental repeated measures design, 157 dyads (participant with T2DM and family member) were randomly assigned to an intervention (education, social support, home visits, and telephone calls) or a wait list control group. Data were collected at baseline, postintervention (3 months), and 6 months postintervention. A series of 2 × 3 repeated measures ANOVAs were used to test the hypotheses with interaction contrasts to assess immediate and sustained intervention effects...
April 1, 2017: Diabetes Educator
https://www.readbyqxmd.com/read/28447456/numerical-modeling-of-electroosmotic-push-pull-perfusion-and-assessment-of-its-application-to-quantitative-determination-of-enzymatic-activity-in-the-extracellular-space-of-mammalian-tissue
#17
Yangguang Ou, Stephen G Weber
Many sampling methods have been developed to measure the extracellular concentrations of solutes in the extracellular space of mammalian tissue. However, few have been used to quantitatively study the various processes, such as enzymatic degradation, that determines the fate of these solutes. For a method to be useful in this pursuit, it must be able to 1) perfuse tissue and collect the perfusate for quantitative analysis of the solutes introduced and reaction products produced, 2) control the average residence time of the active solutes, and 3) have the appropriate spatial resolution for the process of interest...
April 27, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28447453/a-computational-selection-of-metabolite-biomarkers-using-emerging-pattern-mining-a-case-study-in-human-hepatocellular-carcinoma
#18
Guillaume Poezevara, Sylvain Lozano, Bertrand Cuissart, Ronan Bureau, Pierre Bureau, Vincent Croixmarie, Philippe Vayer, Alban Lepailleur
The biomarker development in metabolomics aims at discriminating diseased from normal subjects and at creating a predictive model which can be used to diagnose new subjects. From a case study on human hepatocellular carcinoma (HCC), we studied for the first time the potential usefulness of the emerging patterns (EPs) which comes from the data mining domain. When applied to a metabolomics dataset labeled with two classes (e.g. HCC patients vs healthy subjects), EP mining can capture differentiating combinations of metabolites between the two classes...
April 27, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28447363/tobacco-packaging-design-for-reducing-tobacco-use
#19
REVIEW
Ann McNeill, Shannon Gravely, Sara C Hitchman, Linda Bauld, David Hammond, Jamie Hartmann-Boyce
BACKGROUND: Tobacco use is the largest single preventable cause of death and disease worldwide. Standardised tobacco packaging is an intervention intended to reduce the promotional appeal of packs and can be defined as packaging with a uniform colour (and in some cases shape and size) with no logos or branding, apart from health warnings and other government-mandated information, and the brand name in a prescribed uniform font, colour and size. Australia was the first country to implement standardised tobacco packaging between October and December 2012, France implemented standardised tobacco packaging on 1 January 2017 and several other countries are implementing, or intending to implement, standardised tobacco packaging...
April 27, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28447293/shielding-of-the-geomagnetic-field-reduces-hydrogen-peroxide-production-in-human-neuroblastoma-cell-and-inhibits-the-activity-of-cuzn-superoxide-dismutase
#20
Hai-Tao Zhang, Zi-Jian Zhang, Wei-Chuan Mo, Ping-Dong Hu, Hai-Min Ding, Ying Liu, Qian Hua, Rong-Qiao He
Accumulative evidence has shown the adverse effects of a geomagnetic field shielded condition, so called a hypomagnetic field (HMF), on the metabolic processes and oxidative stress in animals and cells. However, the underlying mechanism remains unclear. In this study, we evaluate the role of HMF on the regulation of cellular reactive oxygen species (ROS) in human neuroblastoma SH-SY5Y cells. We found that HMF exposure led to ROS decrease, and that restoring the decrease by additional H2O2 rescued the HMF-enhanced cell proliferation...
April 26, 2017: Protein & Cell
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