461 research outputs found

    Europe - a default or a dream? European identity formation among Bulgarian and English children

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    This is the authors' accepted version of an article published in Ethnicities, 2014. http://online.sagepub.com/10.1177/1468796812465722This article examines the formation of European identity among children in two very different countries: the traditionally Eurosceptic United Kingdom and the enthusiastic EU newcomer, Bulgaria. The paper revisits existing debates about the relationships between European identity, knowledge and the political and historical context, paying particular attention to the meanings attached to Europe. It demonstrates that children who identify as European are more likely to see Europe in geographic terms, which facilitates the perception of the European identity as ‘default’. In contrast, children who refuse to describe themselves as European see Europe as an exclusive political entity, associated with high standards and distant elites. These perceptions are significantly more common among Bulgarian children, who often depict Europe as a dream, and perceive the European identity as an ideal they aspire to reach. The article also shows how ethnicity and the images of Europe influence the relationship between national and European identities

    Clinical Value of Prognostic Instruments to Identify Patients with an Increased Risk for Osteoporotic Fractures: Systematic Review

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    There is a plethora of evidence available studying the association of risk profiles and the development of osteoporotic fractures. The small number of out-of-sample validations, the large variety of study characteristics, outcomes and follow-up periods impedes from deriving robust summaries and from conclusions regarding the clinical performance of many tools. First and foremost, future activity in this field should aim at reaching a consensus among clinical experts in respect to the existing instruments. Then we call for careful validations and expedient adaptations for local circumstances of the most promising candidates

    Evaluating the association of common APOA2 variants with type 2 diabetes

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    <p>Abstract</p> <p>Background</p> <p><it>APOA2 </it>is a positional and biological candidate gene for type 2 diabetes at the chromosome 1q21-q24 susceptibility locus. The aim of this study was to examine if HapMap phase II tag SNPs in <it>APOA2 </it>are associated with type 2 diabetes and quantitative traits in French Caucasian subjects.</p> <p>Methods</p> <p>We genotyped the three HapMap phase II tagging SNPs (rs6413453, rs5085 and rs5082) required to capture the common variation spanning the <it>APOA2 </it>locus in our type 2 diabetes case-control cohort comprising 3,093 French Caucasian subjects. The association between these variants and quantitative traits was also examined in the normoglycaemic adults of the control cohort. In addition, meta-analysis of publicly available whole genome association data was performed.</p> <p>Results</p> <p>None of the <it>APOA2 </it>tag SNPs were associated with type 2 diabetes in the French Caucasian case-control cohort (rs6413453, <it>P </it>= 0.619; rs5085, <it>P </it>= 0.245; rs5082, <it>P </it>= 0.591). However, rs5082 was marginally associated with total cholesterol levels (<it>P </it>= 0.026) and waist-to-hip ratio (<it>P </it>= 0.029). The meta-analysis of data from 12,387 subjects confirmed our finding that common variation at the <it>APOA2 </it>locus is not associated with type 2 diabetes.</p> <p>Conclusion</p> <p>The available data does not support a role for common variants in <it>APOA2 </it>on type 2 diabetes susceptibility or related quantitative traits in Northern Europeans.</p

    The perceived impact of location privacy: A web-based survey of public health perspectives and requirements in the UK and Canada

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    <p>Abstract</p> <p>Background</p> <p>The "place-consciousness" of public health professionals is on the rise as spatial analyses and Geographic Information Systems (GIS) are rapidly becoming key components of their toolbox. However, "place" is most useful at its most precise, granular scale – which increases identification risks, thereby clashing with privacy issues. This paper describes the views and requirements of public health professionals in Canada and the UK on privacy issues and spatial data, as collected through a web-based survey.</p> <p>Methods</p> <p>Perceptions on the impact of privacy were collected through a web-based survey administered between November 2006 and January 2007. The survey targeted government, non-government and academic GIS labs and research groups involved in public health, as well as public health units (Canada), ministries, and observatories (UK). Potential participants were invited to participate through personally addressed, standardised emails.</p> <p>Results</p> <p>Of 112 invitees in Canada and 75 in the UK, 66 and 28 participated in the survey, respectively. The completion proportion for Canada was 91%, and 86% for the UK. No response differences were observed between the two countries. Ninety three percent of participants indicated a requirement for personally identifiable data (PID) in their public health activities, including geographic information. Privacy was identified as an obstacle to public health practice by 71% of respondents. The overall self-rated median score for knowledge of privacy legislation and policies was 7 out of 10. Those who rated their knowledge of privacy as high (at the median or above) also rated it significantly more severe as an obstacle to research (<it>P </it>< 0.001). The most critical cause cited by participants in both countries was bureaucracy.</p> <p>Conclusion</p> <p>The clash between PID requirements – including granular geography – and limitations imposed by privacy and its associated bureaucracy require immediate attention and solutions, particularly given the increasing utilisation of GIS in public health. Solutions include harmonization of privacy legislation with public health requirements, bureaucratic simplification, increased multidisciplinary discourse, education, and development of toolsets, algorithms and guidelines for using and reporting on disaggregate data.</p

    LC–MS-based absolute metabolite quantification:Application to metabolic flux measurement in trypanosomes

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    Human African trypanosomiasis is a neglected tropical disease caused by the protozoan parasite, Trypanosoma brucei. In the mammalian bloodstream, the trypanosome’s metabolism differs significantly from that of its host. For example, the parasite relies exclusively on glycolysis for energy source. Recently, computational and mathematical models of trypanosome metabolism have been generated to assist in understanding the parasite metabolism with the aim of facilitating drug development. Optimisation of these models requires quantitative information, including metabolite concentrations and/or metabolic fluxes that have been hitherto unavailable on a large scale. Here, we have implemented an LC–MS-based method that allows large scale quantification of metabolite levels by using U-13C-labelled E. coli extracts as internal standards. Known amounts of labelled E. coli extract were added into the parasite samples, as well as calibration standards, and used to obtain calibration curves enabling us to convert intensities into concentrations. This method allowed us to reliably quantify the changes of 43 intracellular metabolites and 32 extracellular metabolites in the medium over time. Based on the absolute quantification, we were able to compute consumption and production fluxes. These quantitative data can now be used to optimise computational models of parasite metabolism
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