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G Besson, G Barragan-Jason, S J Thorpe, M Fabre-Thorpe, S Puma, M Ceccaldi, E J Barbeau
Verifying that a face is from a target person (e.g. finding someone in the crowd) is a critical ability of the human face processing system. Yet how fast this can be performed is unknown. The 'entry-level shift due to expertise' hypothesis suggests that - since humans are face experts - processing faces should be as fast - or even faster - at the individual than at superordinate levels. In contrast, the 'superordinate advantage' hypothesis suggests that faces are processed from coarse to fine, so that the opposite pattern should be observed...
October 21, 2016: Cognition
A M Cardoso, M G Alves, P P Mathur, P F Oliveira, J E Cavaco, L Rato
In the last decades, several studies evidenced a decrease in male fertility in developed countries. Although the aetiology of this trend in male reproductive health remains a matter of debate, environmental compounds that predispose to weight gain, namely obesogens, are appointed as contributors because of their action as endocrine disruptors. Obesogens favour adipogenesis by an imbalance of metabolic processes and can be found virtually everywhere. These compounds easily accumulate in tissues with high lipid content...
October 24, 2016: Obesity Reviews: An Official Journal of the International Association for the Study of Obesity
Stefano R Del Giacco, Arzu Bakirtas, Elizabeth Bel, Adnan Custovic, Zuzana Diamant, Eckard Hamelmann, Enrico Heffler, Ömer Kalayci, Sejal Saglani, Svetlana Sergejeva, Sven Seys, Angela Simpson, Leif Bjermer
It is well recognized that atopic sensitisation is an important risk factor for asthma, both in adults and in children. However, the role of allergy in severe asthma is still under debate. The term "Severe Asthma" encompasses a highly heterogeneous group of patients who require treatment on steps 4-5 of GINA guidelines to prevent their asthma from becoming "uncontrolled", or whose disease remains "uncontrolled" despite this therapy. Epidemiological studies on emergency room visits and hospital admissions for asthma suggest the important role of allergy in asthma exacerbations...
October 24, 2016: Allergy
Joey Berlin
As the debate over complementary and alternative medicine's place in medicine continues, Texas Medical Association policy recommends physicians stay on top of evidence-based studies of complementary and alternative therapies and routinely ask patients about their use of such therapies.
October 1, 2016: Texas Medicine
Jose Maria Carvajal-Gonzalez, Sonia Mulero-Navarro, Marek Mlodzik
Planar cell polarity (PCP)-signaling and associated tissue polarization are evolutionarily conserved. A well documented feature of PCP-signaling in vertebrates is its link to centriole/cilia positioning, although the relationship of PCP and ciliogenesis is still debated. A recent report in Drosophila established that Frizzled (Fz)-PCP core signaling has an instructive input to polarized centriole positioning in non-ciliated Drosophila wing epithelia as a PCP read-out. Here, we review the impact of this observation in the context of recent descriptions of the relationship(s) of core Fz-PCP signaling and cilia/centriole positioning in epithelial and non-epithelial cells...
October 24, 2016: BioEssays: News and Reviews in Molecular, Cellular and Developmental Biology
Xin-Bing Cheng, Rui Zhang, Chen-Zi Zhao, Fei Wei, Ji-Guang Zhang, Qiang Zhang
Lithium metal batteries (LMBs) are among the most promising candidates of high-energy-density devices for advanced energy storage. However, the growth of dendrites greatly hinders the practical applications of LMBs in portable electronics and electric vehicles. Constructing stable and efficient solid electrolyte interphase (SEI) is among the most effective strategies to inhibit the dendrite growth and thus to achieve a superior cycling performance. In this review, the mechanisms of SEI formation and models of SEI structure are briefly summarized...
March 2016: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
J Maarten de Moor, A Aiuppa, G Avard, H Wehrmann, N Dunbar, C Muller, G Tamburello, G Giudice, M Liuzzo, R Moretti, V Conde, B Galle
Eruptive activity at Turrialba Volcano (Costa Rica) has escalated significantly since 2014, causing airport and school closures in the capital city of San José. Whether or not new magma is involved in the current unrest seems probable but remains a matter of debate as ash deposits are dominated by hydrothermal material. Here we use high-frequency gas monitoring to track the behavior of the volcano between 2014 and 2015 and to decipher magmatic versus hydrothermal contributions to the eruptions. Pulses of deeply derived CO2-rich gas (CO2/Stotal > 4...
August 2016: Journal of Geophysical Research. Solid Earth
Chieh-Hsin Wu, Tai-Hsin Tsai, Yu-Feng Su, Zi-Hao Zhang, Wei Liu, Ming-Kung Wu, Chih-Hui Chang, Keng-Liang Kuo, Ying-Yi Lu, Chih-Lung Lin
Whether traumatic brain injury (TBI) is causally related to substance related disorder (SRD) is still debatable, especially in persons with no history of mental disorders at the time of injury. This study analyzed data in the Taiwan National Health Insurance Research Database for 19,109 patients aged ≥18 years who had been diagnosed with TBI during 2000-2010. An additional 19,109 randomly selected age and gender matched patients without TBI (1 : 1 ratio) were enrolled in the control group. The relationship between TBI and SRD was estimated with Cox proportional hazard regression models...
2016: Neural Plasticity
Andreas Winkelmann
The Anatomische Gesellschaft, an international Germany-based association of anatomists, was closed down in 1945, after the end of the "Third Reich". It was eventually re-founded in 1949, continuing its tradition from its foundation in 1886, based in large part on the membership prior to 1945. Newly available archival material reveals, however, that at least six members were explicitly prevented from re-joining the society. This includes Max Clara, who was accused of plagiarism and, at least implicitly, of basing his career on Nazi party support...
October 20, 2016: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
C C H Wielders, A H A M van Hoek, P D Hengeveld, C Veenman, C M Dierikx, T P Zomer, L A M Smit, W van der Hoek, D J Heederik, S C de Greeff, C B M Maassen, E van Duijkeren
OBJECTIVES: In the Netherlands there is an ongoing debate regarding environmental health risks of livestock farming for neighbouring residents. This explorative study aims to determine the prevalence of carriage of ESBL/pAmpC-producing Enterobacteriaceae (ESBL/pAmpC-E) in the general population living in a livestock-dense area, and to study associations between determinants, including exposure through contact with animals and the environment, and human carriage of ESBL/pAmpC-E. METHODS: A cross-sectional study was performed among 2,432 adults (aged 20-72 years) in twelve temporary research centres in the south of the Netherlands, consisting of a questionnaire and analysis of a faecal sample to assess carriage of ESBL/pAmpC-E...
October 20, 2016: Clinical Microbiology and Infection
Antonino Naro, Antonino Leo, Antonio Buda, Alfredo Manuli, Alessia Bramanti, Placido Bramanti, Rocco Salvatore Calabrò
Visual fixation (VF) of a target is a possible, although atypical, feature of the Unresponsive Wakefulness Syndrome (UWS). Whether VF may indicate residual awareness in these patients is debatable, since it may simply subtend a series of reflex processes. Objective tools should therefore be used to identify aware VF, which depends on the integrity of visuomotor networks encompassing frontal-parietal-occipital areas. The aim of our study was to detect residual visuomotor network functionality potentially sustaining aware VF...
October 20, 2016: Brain Research
Britta Wigginton, Coral Gartner, Ingrid J Rowlands
INTRODUCTION: Electronic cigarette (e-cigarette) use, or vaping, is increasing against a backdrop of declining smoking rates. E-cigarettes contain fewer toxicants than cigarettes, but their appearance and mode of use has the potential to satisfy the habitual aspects of smoking. To date, we know little about lay perceptions of the safety of using e-cigarettes in pregnancy. METHODS: We conducted a thematic discourse analysis of 13 online discussion forum threads that discussed e-cigarette use during pregnancy...
October 20, 2016: Women's Health Issues: Official Publication of the Jacobs Institute of Women's Health
Neeraj Awasthy, Ria Garg, S Radhakrishnan, Savitri Shrivastava
: Balloon aortic valvuloplasty (BAV) is a well accepted modality of treatment in congenital aortic stenosis in all age groups. Although in infants and children it is the modality of choice, in adolescents and young adults, it is of debatable efficacy. AIM: To evaluate long-term results of aortic valvuloplasty particularly in adolescent and adults (>12 years) and compare the outcome in other age groups that are <1 year and between 1 are 11 years. SETTING: Tertiary referral center...
September 2016: Indian Heart Journal
Debjyoti Karmakar, Peter L Dwyer
INTRODUCTION AND BACKGROUND: Vaginal surgery for the treatment of urinary stress incontinence (USI) and pelvic organ prolapse (POP) using a synthetic polypropylene mesh is going through a time of unprecedented turmoil and debate. This review focuses on vaginal surgery for vaginal prolapse and looks at the current scientific literature on issues surrounding surgery including consent and expectations. SAFETY AND EFFECTIVENESS OF SURGICAL OPTIONS: Synthetic mesh has been used both abdominally and vaginally to improve the effectiveness of POP surgery...
December 2016: Current Urology Reports
Cynthia Van Landingham, Kenneth A Mundt, Bruce C Allen, P Robinan Gentry
Reproducibility and transparency in scientific reporting is paramount to advancing science and providing the foundation required for sound regulation. Recent examples demonstrate that pivotal scientific findings cannot be replicated, due to poor documentation or methodological bias, sparking debate across scientific and regulatory communities. However, there is general agreement that improvements in communicating and documenting research and risk assessment methods are needed. In the case of formaldehyde, the peer-review conducted by a National Academy of Sciences (NAS) Committee questioned the approaches used by the Integrated Risk Information System (IRIS) in developing draft unit risk values...
October 19, 2016: Regulatory Toxicology and Pharmacology: RTP
Bogdan I Costescu, Sebastian Sturm, Frauke Gräter
Protein unfolding often does not obey a simple two-state behavior. Previous single molecule force spectroscopy studies demonstrated stretched exponential kinetics of protein unfolding under a constant pulling force, the molecular origin of which remains subject to debate. We here set out to extensively sample the mechanical unfolding of ubiquitin and NuG2 by Molecular Dynamics (MD) simulations. Both proteins show kinetics best fit by stretched exponentials, with stretching exponents similar to those found in experiments, even though static disorder is absent in our short MD simulations...
October 19, 2016: Journal of Structural Biology
Beata Dolka, Artur Żbikowski, Izabella Dolka, Piotr Szeleszczuk
BACKGROUND: Recent epidemics of highly pathogenic avian influenza (HPAI) produced an unprecedented number of cases in mute swans (Cygnus olor) in European countries, which indicates that these birds are very sensitive to the H5N1 virus. The HPAI outbreaks stirred a debate on the controversial stamping-out policy in populations of protected bird species. After preventive vaccination had been approved in the European Union, several countries have introduced vaccination schemes to protect poultry, captive wild birds or exotic birds in zoos against HPAI...
October 22, 2016: Acta Veterinaria Scandinavica
Nicole Groh, Christian Seutter von Loetzen, Brinda Subbarayal, Christian Möbs, Lothar Vogel, Andreas Hoffmann, Kay Fötisch, Anna Koutsouridou, Stefanie Randow, Elke Völker, Andreas Reuter, Paul Rösch, Stefan Vieths, Wolfgang Pfützner, Barbara Bohle, Dirk Schiller
BACKGROUND: Allergen-specific immunotherapy (AIT) with birch pollen generates Bet v 1-specific immunoglobulin (Ig)G4 which blocks IgE-mediated hypersensitivity mechanisms. Whether IgG4 specific for Bet v1a competes with IgE for identical epitopes or whether novel epitope specificities of IgG4 antibodies are developed is under debate. OBJECTIVE: We sought to analyze the epitope specificities of IgE and IgG4 antibodies from sera of patients who received AIT. METHODS: 15 sera of patients (13/15 received AIT) with Bet v 1a-specific IgE and IgG4 were analyzed...
October 22, 2016: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
V Rougeron, T De Meeûs, A-L Bañuls
One key process of the life cycle of pathogens is their mode of reproduction. Indeed, this fundamental biological process conditions the multiplication and the transmission of genes and thus the propagation of diseases in the environment. Reproductive strategies of protozoan parasites have been a subject of debate for many years, principally due to the difficulty in making direct observations of sexual reproduction (i.e. genetic recombination). Traditionally, these parasites were considered as characterized by a preeminent clonal structure...
October 18, 2016: Infection, Genetics and Evolution
Uma Mahadevan, Ryan A McConnell, Christina Chambers
The management of the pregnant patient with inflammatory bowel disease (IBD) is complicated by multiple providers, misinformation and a disease entity that, particularly when active, can adversely affect pregnancy outcomes. This paper seeks to frame the debate on medication safety in pregnancy and lactation using the Food and Drug Administration's new Pregnancy and Lactation Labeling Rule (PLLR) and the most up to date safety information to discuss the risks and benefits of using each class of IBD medication...
October 18, 2016: Gastroenterology
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