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Interpretation bias

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https://www.readbyqxmd.com/read/28106102/spectroscopic-evidence-of-odd-frequency-superconducting-order
#1
Avradeep Pal, J A Ouassou, M Eschrig, J Linder, M G Blamire
Spin filter superconducting S/I/N tunnel junctions (NbN/GdN/TiN) show a robust and pronounced Zero Bias Conductance Peak (ZBCP) at low temperatures, the magnitude of which is several times the normal state conductance of the junction. Such a conductance anomaly is representative of unconventional superconductivity and is interpreted as a direct signature of an odd frequency superconducting order.
January 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28102582/beliefs-about-the-causes-of-depression-and-recovery-and-their-impact-on-adherence-dosage-and-successful-tapering-of-antidepressants
#2
Nicola S Klein, Gerard D van Rijsbergen, Mascha C Ten Doesschate, Steven D Hollon, Huibert Burger, Claudi L H Bockting
BACKGROUND: Continuation of antidepressant medication (ADM) after remission is widely used to prevent depressive relapse/recurrence. Little is known about predictors of ADM use in terms of adherence, dosage, and successful tapering. The current study aimed to explore beliefs about the causes of depression and recovery (i.e., causal beliefs) and to examine whether they predict ADM use. METHODS: The data were drawn from a controlled trial and an extension of this trial with additional experience sampling...
January 19, 2017: Depression and Anxiety
https://www.readbyqxmd.com/read/28102546/ataluren-and-similar-compounds-specific-therapies-for-premature-termination-codon-class-i-mutations-for-cystic-fibrosis
#3
REVIEW
Aisha A Aslam, Colin Higgins, Ian P Sinha, Kevin W Southern
BACKGROUND: Cystic fibrosis is a common life-shortening genetic disorder in the Caucasian population (less common in other ethnic groups) caused by the mutation of a single gene that codes for the production of the cystic fibrosis transmembrane conductance regulator protein. This protein coordinates the transport of salt (and bicarbonate) across cell surfaces and the mutation most notably affects the airways. In the lungs of people with cystic fibrosis, defective protein results in a dehydrated surface liquid and compromised mucociliary clearance...
January 19, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28100734/does-the-superior-colliculus-control-perceptual-sensitivity-or-choice-bias-during-attention-evidence-from-a-multialternative-decision-framework
#4
Devarajan Sridharan, Nicholas A Steinmetz, Tirin Moore, Eric I Knudsen
: Distinct networks in the forebrain and the midbrain coordinate to control spatial attention. The critical involvement of the superior colliculus (SC)-the central structure in the midbrain network-in visuospatial attention has been shown by four seminal, published studies in monkeys (Macaca mulatta) performing multialternative tasks. However, due to the lack of a mechanistic framework for interpreting behavioral data in such tasks, the nature of the SC's contribution to attention remains unclear...
January 18, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28099797/epitaxy-induced-assembly-and-enantiomeric-switching-of-an-on-surface-formed-dinuclear-organocobalt-complex
#5
Raphael Hellwig, Tobias Paintner, Zhi Chen, Mario Ruben, Ari P Seitsonen, Florian Klappenberger, Harald Brune, Johannes V Barth
We report on the surface-guided synthesis of an unprecedented dinuclear organocobalt complex, its self-assembly into a complex nanoarchitecture, and a single-molecule level investigation of its switching behavior. Initially, an organic layer is prepared by depositing hexakis((trimethylsilyl)ethynyl)-benzene under ultra-high vacuum conditions onto Ag(111). After Co dosage at 200 Kelvin, low-temperature scanning tunneling microscopy (STM) reveals an epitaxy-mediated organization mechanism of molecules and on-surface formed host-guest complexes...
January 18, 2017: ACS Nano
https://www.readbyqxmd.com/read/28097215/an-ambiguity-principle-for-assigning-protein-structural-domains
#6
Guillaume Postic, Yassine Ghouzam, Romain Chebrek, Jean-Christophe Gelly
Ambiguity is the quality of being open to several interpretations. For an image, it arises when the contained elements can be delimited in two or more distinct ways, which may cause confusion. We postulate that it also applies to the analysis of protein three-dimensional structure, which consists in dividing the molecule into subunits called domains. Because different definitions of what constitutes a domain can be used to partition a given structure, the same protein may have different but equally valid domain annotations...
January 2017: Science Advances
https://www.readbyqxmd.com/read/28097194/the-mystery-of-the-z-score
#7
REVIEW
Alexander E Curtis, Tanya A Smith, Bulat A Ziganshin, John A Elefteriades
Reliable methods for measuring the thoracic aorta are critical for determining treatment strategies in aneurysmal disease. Z-scores are a pragmatic alternative to raw diameter sizes commonly used in adult medicine. They are particularly valuable in the pediatric population, who undergo rapid changes in physical development. The advantage of the Z-score is its inclusion of body surface area (BSA) in determining whether an aorta is within normal size limits. Therefore, Z-scores allow us to determine whether true pathology exists, which can be challenging in growing children...
August 2016: Aorta (Stamford, Conn.)
https://www.readbyqxmd.com/read/28096490/comprehensive-essentiality-analysis-of-the-mycobacterium-tuberculosis-genome-via-saturating-transposon-mutagenesis
#8
Michael A DeJesus, Elias R Gerrick, Weizhen Xu, Sae Woong Park, Jarukit E Long, Cara C Boutte, Eric J Rubin, Dirk Schnappinger, Sabine Ehrt, Sarah M Fortune, Christopher M Sassetti, Thomas R Ioerger
: For decades, identifying the regions of a bacterial chromosome that are necessary for viability has relied on mapping integration sites in libraries of random transposon mutants to find loci that are unable to sustain insertion. To date, these studies have analyzed subsaturated libraries, necessitating the application of statistical methods to estimate the likelihood that a gap in transposon coverage is the result of biological selection and not the stochasticity of insertion. As a result, the essentiality of many genomic features, particularly small ones, could not be reliably assessed...
January 17, 2017: MBio
https://www.readbyqxmd.com/read/28095313/prefrontal-mediation-of-emotion-regulation-in-social-anxiety-disorder-during-laughter-perception
#9
Benjamin Kreifelts, Carolin Brück, Thomas Ethofer, Jan Ritter, Lena Weigel, Michael Erb, Dirk Wildgruber
Social anxiety disorder (SAD) is characterized by negatively biased perception of social cues and deficits in emotion regulation. While negatively biased perception is thought to maintain social anxiety, emotion regulation represents an ability necessary to overcome both biased perception and social anxiety. Here, we used laughter as a social threat in a functional magnetic resonance imaging (fMRI) study to identify cerebral mediators linking SAD with attention and interpretation biases and their modification through cognitive emotion regulation in the form of reappraisal...
January 14, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28095013/the-tipping-point-of-perceived-change-asymmetric-thresholds-in-diagnosing-improvement-versus-decline
#10
Ed O'Brien, Nadav Klein
Change often emerges from a series of small doses. For example, a person may conclude that a happy relationship has eroded not from 1 obvious fight but from smaller unhappy signs that at some point "add up." Everyday fluctuations therefore create ambiguity about when they reflect substantive shifts versus mere noise. Ten studies reveal an asymmetry in this first point when people conclude "official" change: people demand less evidence to diagnose lasting decline than lasting improvement, despite similar evidential quality...
February 2017: Journal of Personality and Social Psychology
https://www.readbyqxmd.com/read/28088727/representativeness-of-clinical-pet-study-participants-with-schizophrenia-a-systematic-review
#11
So Kirino, Takefumi Suzuki, Hiroyoshi Takeuchi, Masaru Mimura, Hiroyuki Uchida
While positron emission tomography (PET) studies have provided invaluable data on antipsychotic effects, selection bias remains a serious concern. A systematic review of PET studies that measured dopamine D2 receptor blockade with antipsychotics was conducted to examine their inclusion/exclusion criteria, using PubMed, EMBASE, and ClinicalTrials.gov (last search, September 2016). PET studies were included if they measured D2 receptor occupancy in patients with schizophrenia and included introduction of antipsychotic treatment or antipsychotic regimen change in a systematic manner...
January 5, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28087891/physical-activity-and-exercise-for-chronic-pain-in-adults-an-overview-of-cochrane-reviews
#12
REVIEW
Louise J Geneen, R Andrew Moore, Clare Clarke, Denis Martin, Lesley A Colvin, Blair H Smith
BACKGROUND: Chronic pain is defined as pain lasting beyond normal tissue healing time, generally taken to be 12 weeks. It contributes to disability, anxiety, depression, sleep disturbances, poor quality of life, and healthcare costs. Chronic pain has a weighted mean prevalence in adults of 20%.For many years, the treatment choice for chronic pain included recommendations for rest and inactivity. However, exercise may have specific benefits in reducing the severity of chronic pain, as well as more general benefits associated with improved overall physical and mental health, and physical functioning...
January 14, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28087683/percutaneous-patent-ductus-arteriosus-pda-closure-during-infancy-a-meta-analysis
#13
REVIEW
Carl H Backes, Brian K Rivera, Jeffrey A Bridge, Aimee K Armstrong, Brian A Boe, Darren P Berman, Tyler Fick, Ralf J Holzer, Ziyad M Hijazi, Sylvia Abadir, Henri Justino, Lisa Bergersen, Charles V Smith, Haresh Kirpalani
CONTEXT: Patent ductus arteriosus (PDA) is a precursor to morbidity and mortality. Percutaneous (catheter-based) closure is the procedure of choice for adults and older children with a PDA, but use during infancy (<1 year) is not well characterized. OBJECTIVE: Investigate the technical success and safety of percutaneous PDA closure during infancy. DATA SOURCES: Scopus, Web of Science, Embase, PubMed, and Ovid (Medline) were searched through December 2015 with no language restrictions...
January 13, 2017: Pediatrics
https://www.readbyqxmd.com/read/28086790/rna-sequencing-for-global-gene-expression-associated-with-muscle-growth-in-a-single-male-modern-broiler-line-compared-to-a-foundational-barred-plymouth-rock-chicken-line
#14
Byung-Whi Kong, Nicholas Hudson, Dongwon Seo, Seok Lee, Bhuwan Khatri, Kentu Lassiter, Devin Cook, Alissa Piekarski, Sami Dridi, Nicholas Anthony, Walter Bottje
BACKGROUND: Modern broiler chickens exhibit very rapid growth and high feed efficiency compared to unselected chicken breeds. The improved production efficiency in modern broiler chickens was achieved by the intensive genetic selection for meat production. This study was designed to investigate the genetic alterations accumulated in modern broiler breeder lines during selective breeding conducted over several decades. METHODS: To identify genes important in determining muscle growth and feed efficiency in broilers, RNA sequencing (RNAseq) was conducted with breast muscle in modern pedigree male (PeM) broilers (n = 6 per group), and with an unselected foundation broiler line (Barred Plymouth Rock; BPR)...
January 13, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28079877/genome-wide-transposon-screening-and-quantitative-insertion-site-sequencing-for-cancer-gene-discovery-in-mice
#15
Mathias J Friedrich, Lena Rad, Iraad F Bronner, Alexander Strong, Wei Wang, Julia Weber, Matthew Mayho, Hannes Ponstingl, Thomas Engleitner, Carolyn Grove, Anja Pfaus, Dieter Saur, Juan Cadiñanos, Michael A Quail, George S Vassiliou, Pentao Liu, Allan Bradley, Roland Rad
Transposon-mediated forward genetics screening in mice has emerged as a powerful tool for cancer gene discovery. It pinpoints cancer drivers that are difficult to find with other approaches, thus complementing the sequencing-based census of human cancer genes. We describe here a large series of mouse lines for insertional mutagenesis that are compatible with two transposon systems, PiggyBac and Sleeping Beauty, and give guidance on the use of different engineered transposon variants for constitutive or tissue-specific cancer gene discovery screening...
February 2017: Nature Protocols
https://www.readbyqxmd.com/read/28079777/it-s-all-how-you-spin-it-interpretive-bias-in-research-findings-in-the-obstetrics-and-gynecology-literature
#16
Mark Turrentine
Scientific publications can be subject to varying degrees of interpretive bias, also known as spin. The rate of spin in randomized controlled trials (RCTs) with nonsignificant primary outcomes in the general obstetrics and gynecology literature is unknown. A decade (January 2006 through December 2015) of the tables of contents of Obstetrics & Gynecology and the American Journal of Obstetrics & Gynecology were screened, with 503 RCTs identified. Limiting assessment to only parallel-group RCTs with a nonsignificant primary outcome (P≥...
January 9, 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28079603/genital-use-of-talc-and-risk-of-ovarian-cancer-a-meta-analysis
#17
Wera Berge, Kenneth Mundt, Hung Luu, Paolo Boffetta
Some epidemiological studies suggest an association between genital use of talc powders and increased risk of ovarian cancer, but the evidence is not consistent. We performed a meta-analysis of epidemiological studies to formally evaluate this suspected association. A systematic search was conducted in Medline, Embase, and Scopus, leading to the identification of 24 case-control studies and three cohort studies, including 302 705 women with ovarian cancer. In the meta-analysis, we used a random-effect model to calculate summary estimates of the association between genital use of talc and occurrence of ovarian cancer...
January 11, 2017: European Journal of Cancer Prevention
https://www.readbyqxmd.com/read/28077126/what-do-we-know-about-the-effects-of-exposure-to-low-alcohol-and-equivalent-product-labelling-on-the-amounts-of-alcohol-food-and-tobacco-people-select-and-consume-a-systematic-review
#18
Ian Shemilt, Vivien Hendry, Theresa M Marteau
BACKGROUND: Explicit labelling of lower strength alcohol products could reduce alcohol consumption by attracting more people to buy and drink such products instead of higher strength ones. Alternatively, it may lead to more consumption due to a 'self-licensing' mechanism. Equivalent labelling of food or tobacco (for example "Low fat" or "Low tar") could influence consumption of those products by similar mechanisms. This systematic review examined the effects of 'Low alcohol' and equivalent labelling of alcohol, food and tobacco products on selection, consumption, and perceptions of products among adults...
January 12, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28075328/magnetization-at-the-interface-of-cr-sub-2-sub-o-sub-3-sub-and-paramagnets-with-large-stoner-susceptibility
#19
Shi Cao, Michael Street, Junlei Wang, Jian Wang, Xiaozhe Zhang, Christian Binek, Peter A Dowben
From the Cr 2p<sub>3/2</sub> X-ray magnetic circular dichroism signal, there is clear evidence of interface polarization with overlayers of both Pd and Pt on chromia (Cr2O3). The residual boundary polarization of chomia is stronger for a Pt overlayer than in the case of a Pd overlayer. The reduction of chromia boundary magnetization with a paramagnetic metal overlayer, compared to the free surface, is interpreted as response to the induced spin polarization in Pt and Pd. Magnetization induced in a Pt overlayer, via proximity to the chromia boundary magnetization, is evident in the polar magneto-optical Kerr measurements...
January 11, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28073902/state-of-harmonization-of-24-serum-albumin-measurement-procedures-and-implications-for-medical-decisions
#20
Lorin M Bachmann, Min Yu, James C Boyd, David E Bruns, W Greg Miller
BACKGROUND: Measurements of serum and plasma albumin are widely used in medicine, including as indicators of quality of patient care in renal dialysis centers. METHODS: Pools were prepared from residual patient serum (n = 50) and heparin plasma (n = 48) from patients without renal disease, and serum from patients with kidney failure before hemodialysis (n = 53). Albumin was measured in all samples and in ERM-DA470k/IFCC reference material (RM) by 3 immunochemical, 9 bromcresol green (BCG), and 12 bromcresol purple (BCP) methods...
January 10, 2017: Clinical Chemistry
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