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https://www.readbyqxmd.com/read/28200073/aptrank-an-adaptive-pagerank-model-for-protein-function-prediction-on-bi-relational-graphs
#1
Biaobin Jiang, Kyle Kloster, David F Gleich, Michael Gribskov
No abstract text is available yet for this article.
February 14, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28195568/military-deployment-correlates-with-smaller-prefrontal-gray-matter-volume-and-psychological-symptoms-in-a-subclinical-population
#2
O Butler, J Adolf, T Gleich, G Willmund, P Zimmermann, U Lindenberger, J Gallinat, S Kühn
Research investigating the effects of trauma exposure on brain structure and function in adults has mainly focused on post-traumatic stress disorder (PTSD), whereas trauma-exposed individuals without a clinical diagnoses often serve as controls. However, this assumes a dichotomy between clinical and subclinical populations that may not be supported at the neural level. In the current study we investigate whether the effects of repeated or long-term stress exposure on brain structure in a subclinical sample are similar to previous PTSD neuroimaging findings...
February 14, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28181544/mono-energy-coronary-angiography-with-a-compact-synchrotron-source
#3
Elena Eggl, Korbinian Mechlem, Eva Braig, Stephanie Kulpe, Martin Dierolf, Benedikt Günther, Klaus Achterhold, Julia Herzen, Bernhard Gleich, Ernst Rummeny, Peter B Noёl, Franz Pfeiffer, Daniela Muenzel
X-ray coronary angiography is an invaluable tool for the diagnosis of coronary artery disease. However, the use of iodine-based contrast media can be contraindicated for patients who present with chronic renal insufficiency or with severe iodine allergy. These patients could benefit from a reduced contrast agent concentration, possibly achieved through application of a mono-energetic x-ray beam. While large-scale synchrotrons are impractical for daily clinical use, the technology of compact synchrotron sources strongly advanced during the last decade...
February 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28110087/internal-and-external-attention-and-the-default-mode-network
#4
Hannah J Scheibner, Carsten Bogler, Tobias Gleich, John-Dylan Haynes, Felix Bermpohl
Focused attention meditations have been shown to improve psychological health and wellbeing and are nowadays an integral part of many psychotherapies. While research on the neural correlates of focused attention meditation is increasing, findings vary on whether meditations are associated with high or low activity in the default mode network (DMN). To clarify the relationship between focused attention meditation and the activity in DMN regions, it may be helpful to distinguish internal and external attention as well as different phases within one meditation: During focused attention meditation, the practitioner switches between mindful attention, mind-wandering and refocusing...
January 18, 2017: NeuroImage
https://www.readbyqxmd.com/read/28099287/anesthetic-outcomes-of-children-with-arthrogryposis-syndromes-no-evidence-of-hyperthermia
#5
Stephen J Gleich, Michael Tien, Darrell R Schroeder, Andrew C Hanson, Randall Flick, Michael E Nemergut
BACKGROUND: Arthrogryposis syndromes are a heterogeneous group of disorders characterized by congenital joint contractures often requiring multiple surgeries during childhood to address skeletal and visceral abnormalities. Previous reports suggest that these children have increased perioperative risk, including hypermetabolic events discrete from malignant hyperthermia, difficult airway management, isolated hyperthermia, and difficult IV line placement. We sought to compare children with arthrogryposis multiplex congenita (AMC) versus the less severe, distal arthrogryposis syndromes (DAS) and to evaluate possible intraoperative hyperthermia of patients with AMC...
March 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28052271/establishment-and-characterization-of-an-sv40-large-t-antigen-transduced-porcine-colonic-epithelial-cell-line
#6
Bastian Kaiser, Martina Böttner, Thilo Wedel, Ronald M Brunner, Tom Goldammer, Szilvia Lesko, Gotthold Gäbel, Alexander Gleich, Helga Pfannkuche
Continuous cell lines have become indispensable tools that have enabled investigations into cellular mechanisms by increasing experimental reproducibility and sample availability, and decreasing the use of experimental animals. To facilitate studies of epithelial barrier function of the porcine colon, we aimed to establish an epithelial cell line with an extended replicative capacity. Cells were isolated from the proximal colon of a 3-week-old piglet and transduced using a recombinant retroviral vector construct containing the simian virus 40 large T antigen (SV40 TAg)...
January 5, 2017: Cells, Tissues, Organs
https://www.readbyqxmd.com/read/28042335/targeting-of-magnetic-nanoparticle-coated-microbubbles-to-the-vascular-wall-empowers-site-specific-lentiviral-gene-delivery-in-vivo
#7
Yvonn Heun, Staffan Hildebrand, Alexandra Heidsieck, Bernhard Gleich, Martina Anton, Joachim Pircher, Andrea Ribeiro, Olga Mykhaylyk, Dietmar Eberbeck, Daniela Wenzel, Alexander Pfeifer, Markus Woernle, Florian Krötz, Ulrich Pohl, Hanna Mannell
In the field of vascular gene therapy, targeting systems are promising advancements to improve site-specificity of gene delivery. Here, we studied whether incorporation of magnetic nanoparticles (MNP) with different magnetic properties into ultrasound sensitive microbubbles may represent an efficient way to enable gene targeting in the vascular system after systemic application. Thus, we associated novel silicon oxide-coated magnetic nanoparticle containing microbubbles (SO-Mag MMB) with lentiviral particles carrying therapeutic genes and determined their physico-chemical as well as biological properties compared to MMB coated with polyethylenimine-coated magnetic nanoparticles (PEI-Mag MMB)...
2017: Theranostics
https://www.readbyqxmd.com/read/27851470/1835-super-refractory-status-epilepticus-in-a-teenage-boy-management-and-complications
#8
Brenda Schiltz, Eric Payne, Stephen Gleich, Yves Ouellette
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27815390/kv1-3-channels-mark-functionally-competent-cd8-tumor-infiltrating-lymphocytes-in-head-and-neck-cancer
#9
Ameet A Chimote, Peter Hajdu, Alexandros M Sfyris, Brittany N Gleich, Trisha Wise-Draper, Keith A Casper, Laura Conforti
Tumor-infiltrating lymphocytes (TIL) are potent mediators of an antitumor response. However, their function is attenuated in solid tumors. CD8(+) T-cell effector functions, such as cytokine and granzyme production, depend on cytoplasmic Ca(2+), which is controlled by ion channels. In particular, Kv1.3 channels regulate the membrane potential and Ca(2+) influx in human effector memory T (TEM) cells. In this study, we assessed the contribution of reduced Kv1.3 and Ca(2+) flux on TIL effector function in head and neck cancer (HNC)...
January 1, 2017: Cancer Research
https://www.readbyqxmd.com/read/27778084/-antibiotic-consumption-surveillance-state-of-implementation-in-munich-hospitals-latest-survey-by%C3%A2-the-munich-public-health-department-on-the-implementation-of-%C3%A2-%C3%A2-23-infection-protection-act
#10
Cornelia Otto, Bertrand Hirl, Stefan Schweitzer, Sabine Gleich
BACKGROUND: On 4 August 2011 a modification of the infection protection act became law, meaning that antibiotic consumption surveillance and evaluation of data on the local resistance situation became obligatory for hospitals. Four years after the modification of the infection protection act became law, the Munich public health department aimed to evaluate the state of implementation of antibiotic consumption surveillance in Munich hospitals and to ascertain which antibiotic stewardship (ABS) structures have already been established...
December 2016: Bundesgesundheitsblatt, Gesundheitsforschung, Gesundheitsschutz
https://www.readbyqxmd.com/read/27757740/design-and-%C3%AE-testing-of-an-electronic-rounding-tool-certainp-to-improve-process-of-care-in-pediatric-intensive-care-unit
#11
Manasi Hulyalkar, Stephen J Gleich, Rahul Kashyap, Amelia Barwise, Harsheen Kaur, Yue Dong, Lei Fan, Srinivas Murthy, Grace M Arteaga, Sandeep Tripathi
Increasing process complexity in the pediatric intensive care unit (PICU) can lead to information overload resulting in missing pertinent information and potential errors during morning rounds. An efficient model using a novel electronic rounding tool was designed as part of a broader critical care decision support system-checklist for early recognition and treatment of acute illness and injury in pediatrics (CERTAINp). We aimed to evaluate its impact on improving the process of care during rounding. Prospective pre- and post-interventional data included: team performance baseline assessment, patient safety discussion, guideline adherence, rounding time, and a survey of Residents' and Nurses' perception using a Likert scale...
October 18, 2016: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/27726253/neural-correlates-of-the-self-concept-in-adolescence-a-focus-on-the-significance-of-friends
#12
Lydia Romund, Sabrina Golde, Robert C Lorenz, Diana Raufelder, Patricia Pelz, Tobias Gleich, Andreas Heinz, Anne Beck
The formation of a coherent and unified self-concept represents a key developmental stage during adolescence. Imaging studies on self-referential processing in adolescents are rare, and it is not clear whether neural structures involved in self-reflection are also involved in reflections of familiar others. In the current study, 41 adolescents were asked to make judgments about trait adjectives during functional magnetic resonance imaging (fMRI): they had to indicate whether the word describes themselves, their friends, their teachers or politicians...
October 11, 2016: Human Brain Mapping
https://www.readbyqxmd.com/read/27667178/improvement-of-vascular-function-by-magnetic-nanoparticle-assisted-circumferential-gene-transfer-into-the-native-endothelium
#13
Sarah Vosen, Sarah Rieck, Alexandra Heidsieck, Olga Mykhaylyk, Katrin Zimmermann, Christian Plank, Bernhard Gleich, Alexander Pfeifer, Bernd K Fleischmann, Daniela Wenzel
Gene therapy is a promising approach for chronic disorders that require continuous treatment such as cardiovascular disease. Overexpression of vasoprotective genes has generated encouraging results in animal models, but not in clinical trials. One major problem in humans is the delivery of sufficient amounts of genetic vectors to the endothelium which is impeded by blood flow, whereas prolonged stop-flow conditions impose the risk of ischemia. In the current study we have therefore developed a strategy for the efficient circumferential lentiviral gene transfer in the native endothelium under constant flow conditions...
November 10, 2016: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/27645501/maternal-parenting-behavior-and-emotion-processing-in-adolescents-an-fmri-study
#14
Lydia Romund, Diana Raufelder, Eva Flemming, Robert C Lorenz, Patricia Pelz, Tobias Gleich, Andreas Heinz, Anne Beck
Parenting is an essential factor within a child's development, yet the impact of normative variations of parenting on neural emotion processing has not been studied to date. The present study investigated 83 healthy adolescents using functional magnetic resonance imaging and an emotional face-matching paradigm. The faces paradigm elicited an increased amygdala response towards negative facial expressions (fearful and angry each compared to neutral faces) and a significant activation of fusiform gyrus to all emotions separately (fearful, happy, angry faces) compared to neutral faces...
October 2016: Biological Psychology
https://www.readbyqxmd.com/read/27628616/reversal-learning-strategy-in-adolescence-is-associated-with-prefrontal-cortex-activation
#15
Rebecca Boehme, Robert C Lorenz, Tobias Gleich, Lydia Romund, Patricia Pelz, Sabrina Golde, Eva Flemming, Andrew Wold, Lorenz Deserno, Joachim Behr, Diana Raufelder, Andreas Heinz, Anne Beck
Adolescence is a critical maturation period for human cognitive control and executive function. In this study, a large sample of adolescents (n = 85) performed a reversal learning task during functional magnetic resonance imaging. We analyzed behavioral data using a reinforcement learning model to provide individually fitted parameters and imaging data with regard to reward prediction errors (PE). Following a model-based approach, we formed two groups depending on whether individuals tended to update expectations predominantly for the chosen stimulus or also for the unchosen one...
January 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/27577768/the-munich-compact-light-source-initial-performance-measures
#16
Elena Eggl, Martin Dierolf, Klaus Achterhold, Christoph Jud, Benedikt Günther, Eva Braig, Bernhard Gleich, Franz Pfeiffer
While large-scale synchrotron sources provide a highly brilliant monochromatic X-ray beam, these X-ray sources are expensive in terms of installation and maintenance, and require large amounts of space due to the size of storage rings for GeV electrons. On the other hand, laboratory X-ray tube sources can easily be implemented in laboratories or hospitals with comparatively little cost, but their performance features a lower brilliance and a polychromatic spectrum creates problems with beam hardening artifacts for imaging experiments...
September 1, 2016: Journal of Synchrotron Radiation
https://www.readbyqxmd.com/read/27569111/behavioral-auditory-thresholds-and-loss-of-ribbon-synapses-at-inner-hair-cells-in-aged-gerbils
#17
Otto Gleich, Philipp Semmler, Jürgen Strutz
The potential contribution of auditory synaptopathy to age dependent hearing loss was studied in groups of young and old gerbils. The analysis of the number of inner hair cell ribbon synapses in aged gerbils (37.9±3.3months of age) revealed only a relatively small (11-17%) loss in the basal two thirds of the cochlea, while a more pronounced reduction was identified towards the apex (almost 40%) when compared to a group of young gerbils (9.5±3.2months of age). Mean threshold elevation in the old gerbils was around 25dB at 2 and 10kHz...
November 2016: Experimental Gerontology
https://www.readbyqxmd.com/read/27519953/eosinophil-peroxidase-activates-cells-by-her2-receptor-engagement-and-%C3%AE-1-integrin-clustering-with-downstream-mapk-cell-signaling
#18
Kerrie Hennigan, Paul J Conroy, Marie-Therese Walsh, Mohamed Amin, Richard O'Kennedy, Patmapriya Ramasamy, Gerald J Gleich, Zeshan Siddiqui, Senan Glynn, Olive McCabe, Catherine Mooney, Brian J Harvey, Richard W Costello, Jean McBryan
Eosinophils account for 1-3% of peripheral blood leukocytes and accumulate at sites of allergic inflammation, where they play a pathogenic role. Studies have shown that treatment with mepolizumab (an anti-IL-5 monoclonal antibody) is beneficial to patients with severe eosinophilic asthma, however, the mechanism of precisely how eosinophils mediate these pathogenic effects is uncertain. Eosinophils contain several cationic granule proteins, including Eosinophil Peroxidase (EPO). The main significance of this work is the discovery of EPO as a novel ligand for the HER2 receptor...
October 2016: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/27471214/improvement-in-patient-transfer-process-from-the-operating-room-to-the-picu-using-a-lean-and-six-sigma-based-quality-improvement-project
#19
Stephen J Gleich, Michael E Nemergut, Anthony A Stans, Dawit T Haile, Scott A Feigal, Angela L Heinrich, Christopher L Bosley, Sandeep Tripathi
BACKGROUND AND OBJECTIVES: Ineffective and inefficient patient transfer processes can increase the chance of medical errors. Improvements in such processes are high-priority local institutional and national patient safety goals. At our institution, nonintubated postoperative pediatric patients are first admitted to the postanesthesia care unit before transfer to the PICU. This quality improvement project was designed to improve the patient transfer process from the operating room (OR) to the PICU...
August 2016: Hospital Pediatrics
https://www.readbyqxmd.com/read/27387949/higher-order-organization-of-complex-networks
#20
Austin R Benson, David F Gleich, Jure Leskovec
Networks are a fundamental tool for understanding and modeling complex systems in physics, biology, neuroscience, engineering, and social science. Many networks are known to exhibit rich, lower-order connectivity patterns that can be captured at the level of individual nodes and edges. However, higher-order organization of complex networks--at the level of small network subgraphs--remains largely unknown. Here, we develop a generalized framework for clustering networks on the basis of higher-order connectivity patterns...
July 8, 2016: Science
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