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Chris Doe

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https://www.readbyqxmd.com/read/28430560/database-centric-method-for-automated-high-throughput-deconvolution-and-analysis-of-kinetic-antibody-screening-data
#1
R Paul Nobrega, Michael Brown, Cody Williams, Chris Sumner, Patricia Estep, Isabelle Caffry, Yao Yu, Heather Lynaugh, Irina Burnina, Asparouh Lilov, Jordan Desroches, John Bukowski, Tingwan Sun, Jonathan P Belk, Kirt Johnson, Yingda Xu
The state-of-the-art industrial drug discovery approach is the empirical interrogation of a library of drug candidates against a target molecule. The advantage of high-throughput kinetic measurements over equilibrium assessments is the ability to measure each of the kinetic components of binding affinity. Although high-throughput capabilities have improved with advances in instrument hardware, three bottlenecks in data processing remain: (1) intrinsic molecular properties that lead to poor biophysical quality in vitro are not accounted for in commercially available analysis models, (2) processing data through a user interface is time-consuming and not amenable to parallelized data collection, and (3) a commercial solution that includes historical kinetic data in the analysis of kinetic competition data does not exist...
April 1, 2017: SLAS Technology
https://www.readbyqxmd.com/read/28424144/expertise-and-infrastructure-capacity-impacts-acute-coronary-syndrome-outcomes
#2
Carolyn M Astley, Isuru Ranasinghe, David Brieger, Chris J Ellis, Julie Redfern, Tom Briffa, Bernadette Aliprandi-Costa, Tegwen Howell, Stephen G Bloomer, Greg Gamble, Andrea Driscoll, Karice K Hyun, Chris J Hammett, Derek P Chew
Objective Effective translation of evidence to practice may depend on systems of care characteristics within the health service. The present study evaluated associations between hospital expertise and infrastructure capacity and acute coronary syndrome (ACS) care as part of the SNAPSHOT ACS registry.Methods A survey collected hospital systems and process data and our analysis developed a score to assess hospital infrastructure and expertise capacity. Patient-level data from a registry of 4387 suspected ACS patients enrolled over a 2-week period were used and associations with guideline care and in-hospital and 6-, 12- and 18-month outcomes were measured...
April 20, 2017: Australian Health Review: a Publication of the Australian Hospital Association
https://www.readbyqxmd.com/read/28413052/purified-natural-pig-immunoglobulins-can-substitute-dietary-zinc-in-reducing-piglet-post-weaning-diarrhoea
#3
Chris J Hedegaard, Charlotte Lauridsen, Peter M H Heegaard
Enteric infectious disease in weaner piglets, including postweaning diarrhoea (PWD), are usually treated and/or prevented with antibiotics and/or zinc oxide in the piglet feed. However extensive use of antibiotics and zinc oxide in intensive animal production is unwanted as it may promote microbial antibiotic resistance and pose environmental problems. Recently, in an experimental model of PWD, we observed that oral administration of purified porcine immunoglobulin G (ppIgG) from pooled natural pig plasma could reduce enteric infection...
April 2017: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/28409005/plasma-sphingolipids-in-hiv-associated-chronic-obstructive-pulmonary-disease
#4
Shane Hodgson, Timothy J Griffin, Cavan Reilly, Stephen Harvey, Bruce A Witthuhn, Brian J Sandri, Ken M Kunisaki, Chris H Wendt
INTRODUCTION: Chronic obstructive pulmonary disease (COPD) is a significant cause of morbidity in persons living with HIV (PLWH) and HIV appears to uniquely cause COPD, independent of smoking. The mechanisms by which HIV leads to COPD are not clear. The objective of this study was to identify metabolomic biomarkers and potential mechanistic pathways of HIV-associated COPD (HIV-COPD). METHODS: We performed case-control metabolite profiling via mass spectrometry in plasma from 38 individuals with HIV-COPD (cases), comparing to matched controls with/without HIV and with/without COPD...
2017: BMJ Open Respiratory Research
https://www.readbyqxmd.com/read/28394252/steroid-hormone-induction-of-temporal-gene-expression-in-drosophila-brain-neuroblasts-generates-neuronal-and-glial-diversity
#5
Mubarak Hussain Syed, Brandon Mark, Chris Q Doe
An important question in neuroscience is how stem cells generate neuronal diversity. During Drosophila embryonic development, neural stem cells (neuroblasts) sequentially express transcription factors that generate neuronal diversity; regulation of the embryonic temporal transcription factor cascade is lineage-intrinsic. In contrast, larval neuroblasts generate longer ~50 division lineages, and currently only one mid-larval molecular transition is known: Chinmo/Imp/Lin-28+ neuroblasts transition to Syncrip+ neuroblasts...
April 10, 2017: ELife
https://www.readbyqxmd.com/read/28379575/no-transfer-of-pressure-to-adjacent-discs-during-human-low-pressure-controlled-discography-a-prospective-clinical-study
#6
Jan Willem Kallewaard, José W Geurts, Michel Terheggen, Chris Terwiel, Alfons Kessels, Maarten van Kleef, Paul C Willems
Background. : A substantial part of low back pain (LBP) originates from degeneration of the intervertebral disc. To confirm the diagnosis of discogenic pain, provocation discography seems the best available tool. However, provocation discography is also considered to be a controversial and subjective test because the patient's personal pain response is the most crucial for the result of the test. Recently, an in vivo porcine study and a study in nine human subjects showed passing of pressure to the adjacent discs during discography...
April 1, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28369054/disrupting-the-cortical-actin-cytoskeleton-points-to-two-distinct-mechanisms-of-yeast-psi-prion-formation
#7
Shaun H Speldewinde, Victoria A Doronina, Mick F Tuite, Chris M Grant
Mammalian and fungal prions arise de novo; however, the mechanism is poorly understood in molecular terms. One strong possibility is that oxidative damage to the non-prion form of a protein may be an important trigger influencing the formation of its heritable prion conformation. We have examined the oxidative stress-induced formation of the yeast [PSI+] prion, which is the altered conformation of the Sup35 translation termination factor. We used tandem affinity purification (TAP) and mass spectrometry to identify the proteins which associate with Sup35 in a tsa1 tsa2 antioxidant mutant to address the mechanism by which Sup35 forms the [PSI+] prion during oxidative stress conditions...
April 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28362966/does-mis-surgery-allow-for-shorter-constructs-in-the-surgical-treatment-of-adult-spinal-deformity
#8
Juan S Uribe, Joshua Beckman, Praveen V Mummaneni, David Okonkwo, Pierce Nunley, Michael Y Wang, Gregory M Mundis Jr, Paul Park, Robert Eastlack, Neel Anand, Adam Kanter, Frank Lamarca, Richard Fessler, Chris I Shaffrey, Virginie Lafage, Dean Chou, Vedat Deviren
BACKGROUND: The length of construct can potentially influence perioperative risks in adult spinal deformity (ASD) surgery. A head-to-head comparison between open and minimally invasive surgery (MIS) techniques for treatment of ASD has yet to be performed. OBJECTIVE: To examine the impact of MIS approaches on construct length and clinical outcomes in comparison to traditional open approaches when treating similar ASD profiles. METHODS: Two multicenter databases for ASD, 1 involving MIS procedures and the other open procedures, were propensity matched for clinical and radiographic parameters in this observational study...
March 1, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28362823/news-exposure-predicts-anti-muslim-prejudice
#9
John H Shaver, Chris G Sibley, Danny Osborne, Joseph Bulbulia
News coverage of Islamic extremism is reigniting debates about the media's role in promoting prejudice toward Muslims. Psychological theories of media-induced prejudice date to the 1950's, and find support from controlled experiments. However, national-scale studies of media effects on Muslim prejudice are lacking. Orthogonal research investigating media-induced prejudice toward immigrants has failed to establish any link. Moreover, it has been found that people interpret the news in ways that confirm pre-existing attitudes, suggesting that media induced Muslim prejudice in liberal democracies is unlikely...
2017: PloS One
https://www.readbyqxmd.com/read/28330744/the-addition-of-supervised-physiotherapy-sessions-for-management-of-acute-ankle-sprain-does-not-aid-recovery-more-than-providing-standardised-written-instruction-about-early-management-commentary
#10
https://www.readbyqxmd.com/read/28302126/systematic-meta-review-of-supported-self-management-for-asthma-a-healthcare-perspective
#11
Hilary Pinnock, Hannah L Parke, Maria Panagioti, Luke Daines, Gemma Pearce, Eleni Epiphaniou, Peter Bower, Aziz Sheikh, Chris J Griffiths, Stephanie J C Taylor
BACKGROUND: Supported self-management has been recommended by asthma guidelines for three decades; improving current suboptimal implementation will require commitment from professionals, patients and healthcare organisations. The Practical Systematic Review of Self-Management Support (PRISMS) meta-review and Reducing Care Utilisation through Self-management Interventions (RECURSIVE) health economic review were commissioned to provide a systematic overview of supported self-management to inform implementation...
March 17, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28300572/the-potential-role-of-aspiration-in-the-asthmatic-airway
#12
Eoin B Hunt, Chris Ward, Stephen Power, Ashley Sullivan, Jeffrey Pearson, Susan Lapthorne, Paul M O'Byrne, Joseph Eustace, Barry J Plant, Michael M Maher, John MacSharry, Desmond M Murphy
BACKGROUND: Many asthmatics remain sub-optimally controlled despite current treatments. Reasons include comorbidities that could aggravate asthma, including gastro-esophageal reflux (GER). We aimed to investigate whether aspiration occurs in asthmatic patients and if so does it correlate with asthma control. METHODS: Patients had ACQ-7, FeNO, and spirometry performed to characterize their level of asthma control. Barium swallow with provocation was performed to assess for predisposition to aspiration...
March 11, 2017: Chest
https://www.readbyqxmd.com/read/28289799/does-affective-touch-influence-the-virtual-reality-full-body-illusion
#13
Jutta R de Jong, Anouk Keizer, Manja M Engel, H Chris Dijkerman
The sense of how we experience our physical body as our own represents a fundamental component of human self-awareness. Body ownership can be studied with bodily illusions which are generated by inducing a visuo-tactile conflict where individuals experience illusionary ownership over a fake body or body part, such as a rubber hand. Previous studies showed that different types of touch modulate the strength of experienced ownership over a rubber hand. Specifically, participants experienced more ownership after the rubber hand illusion was induced through affective touch vs non-affective touch...
March 13, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28287700/price-for-opening-the-transient-specificity-pocket-in-human-aldose-reductase-upon-ligand-binding-structural-thermodynamic-kinetic-and-computational-analysis
#14
Chris Rechlin, Frithjof Scheer, Felix Terwesten, Tobias Wulsdorf, Ewa Pol, Veronica Fridh, Philipp Toth, Wibke E Diederich, Andreas Heine, Gerhard Klebe
Insights into the thermodynamic and kinetic signature of the transient opening of a protein-binding pocket are presented resulting from accommodation of suitable substituents attached to a given parent ligand scaffold. As target, we selected human aldose reductase, an enzyme involved in development of late-stage diabetic complications. To recognize a large scope of substrate molecules, this reductase opens a transient specificity pocket. The pocket-opening step was studied by X-ray crystallography, microcalorimetry and surface plasmon resonance using a narrow series of 2-carbamoyl-phenoxy-acetic acid derivatives...
March 13, 2017: ACS Chemical Biology
https://www.readbyqxmd.com/read/28284200/detection-in-blood-of-autoantibodies-to-tumour-antigens-as-a-case-finding-method-in-lung-cancer-using-the-earlycdt%C3%A2-lung-test-ecls-study-protocol-for-a-randomized-controlled-trial
#15
F M Sullivan, Eoghan Farmer, Frances S Mair, Shaun Treweek, Denise Kendrick, Cathy Jackson, Chris Robertson, Andrew Briggs, Colin McCowan, Laura Bedford, Ben Young, Kavita Vedhara, Stephanie Gallant, Roberta Littleford, John Robertson, Herb Sewell, Alistair Dorward, Joseph Sarvesvaran, Stuart Schembri
BACKGROUND: Lung cancer is the most common cause of cancer related death worldwide. The majority of cases are detected at a late stage when prognosis is poor. The EarlyCDT®-Lung Test detects autoantibodies to abnormal cell surface proteins in the earliest stages of the disease which may allow tumour detection at an earlier stage thus altering prognosis. The primary research question is: Does using the EarlyCDT®-Lung Test to identify those at high risk of lung cancer, followed by X-ray and computed tomography (CT) scanning, reduce the incidence of patients with late-stage lung cancer (III & IV) or unclassified presentation (U) at diagnosis, compared to standard practice? METHODS: A randomised controlled trial of 12 000 participants in areas of Scotland targeting general practices serving patients in the most deprived quintile of the Scottish Index of Multiple Deprivation...
March 11, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28279905/does-equality-legislation-reduce-intergroup-differences-religious-affiliation-socio-economic-status-and-mortality-in-scotland-and-northern-ireland-a-cohort-study-of-400-000-people
#16
David M Wright, Michael Rosato, Gillian Raab, Chris Dibben, Paul Boyle, Dermot O'Reilly
Religion frequently indicates membership of socio-ethnic groups with distinct health behaviours and mortality risk. Determining the extent to which interactions between groups contribute to variation in mortality is often challenging. We compared socio-economic status (SES) and mortality rates of Protestants and Catholics in Scotland and Northern Ireland, regions in which interactions between groups are profoundly different. Crucially, strong equality legislation has been in place for much longer and Catholics form a larger minority in Northern Ireland...
March 6, 2017: Health & Place
https://www.readbyqxmd.com/read/28276445/high-frequency-coastal-overwash-deposits-from-phra-thong-island-thailand
#17
Chris Gouramanis, Adam D Switzer, Kruawun Jankaew, Charles S Bristow, Dat T Pham, Sorvigenaleon R Ildefonso
The 26(th) December 2004 Indian Ocean Tsunami (IOT) emanated from an Mw 9.2 earthquake that generated a 1600 km-long rupture along the Sumatran Megathrust and generated tsunami waves up to 30 m high. The IOT directly impacted the Bay of Bengal and east Africa, with over 283,000 people perishing. At the time, this catastrophic event was considered unprecedented and sparked intense investigations to test this claim. It is now believed that four pre-2004 IOT events have occurred in the last 2500 years, recurring every 550 to 700 years...
March 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28265523/reanalyzing-head-et-al-2015-investigating-the-robustness-of-widespread-p-hacking
#18
Chris H J Hartgerink
Head et al. (2015) provided a large collection of p-values that, from their perspective, indicates widespread statistical significance seeking (i.e., p-hacking). This paper inspects this result for robustness. Theoretically, the p-value distribution should be a smooth, decreasing function, but the distribution of reported p-values shows systematically more reported p-values for .01, .02, .03, .04, and .05 than p-values reported to three decimal places, due to apparent tendencies to round p-values to two decimal places...
2017: PeerJ
https://www.readbyqxmd.com/read/28260151/the-effects-of-acute-copper-and-ammonia-challenges-on-ammonia-and-urea-excretion-by-the-blue-crab-callinectes-sapidus
#19
Alex M Zimmer, Marianna Basso Jorge, Chris M Wood, Camila M G Martins, Adalto Bianchini
Copper (Cu) is a persistent environmental contaminant that elicits several physiological disturbances in aquatic organisms, including a disruption in ammonia regulation. We hypothesized that exposure to Cu in a model crustacean (blue crab, Callinectes sapidus) acclimated to brackish water (2 ppt) would lead to hyperammonemia by stimulating an increase in ammonia production and/or by inhibiting ammonia excretion. We further hypothesized that urea production would represent an ammonia detoxification strategy in response to Cu...
April 2017: Archives of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28249115/lateral-ge-diffusion-during-oxidation-of-si-sige-fins
#20
William M Brewer, Yan Xin, C Hatem, D Diercks, V Q Truong, K S Jones
This Letter reports on the unusual diffusion behavior of Ge during oxidation of a multilayer Si/SiGe fin. It is observed that oxidation surprisingly results in the formation of vertically stacked Si nanowires encapsulated in defect free epitaxial strained SixGe1-x. High angle annular dark field scanning transmission electron microscopy (HAADF-STEM) shows that extremely enhanced diffusion of Ge occurs along the vertical Si/SiO2 oxidizing interface and is responsible for the encapsulation process. Further oxidation fully encapsulates the Si layers in defect free single crystal SixGe1-x (x up to 0...
March 3, 2017: Nano Letters
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