105 research outputs found

    Development and validation of a risk model for prediction of hazardous alcohol consumption in general practice attendees : the PredictAL study

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    Background: Little is known about the risk of progression to hazardous alcohol use in people currently drinking at safe limits. We aimed to develop a prediction model (predictAL) for the development of hazardous drinking in safe drinkers. Methods: A prospective cohort study of adult general practice attendees in six European countries and Chile followed up over 6 months. We recruited 10,045 attendees between April 2003 to February 2005. 6193 European and 2462 Chilean attendees recorded AUDIT scores below 8 in men and 5 in women at recruitment and were used in modelling risk. 38 risk factors were measured to construct a risk model for the development of hazardous drinking using stepwise logistic regression. The model was corrected for over fitting and tested in an external population. The main outcome was hazardous drinking defined by an AUDIT score >= 8 in men and >= 5 in women. Results: 69.0% of attendees were recruited, of whom 89.5% participated again after six months. The risk factors in the final predictAL model were sex, age, country, baseline AUDIT score, panic syndrome and lifetime alcohol problem. The predictAL model's average c-index across all six European countries was 0.839 (95% CI 0.805, 0.873). The Hedge's g effect size for the difference in log odds of predicted probability between safe drinkers in Europe who subsequently developed hazardous alcohol use and those who did not was 1.38 (95% CI 1.25, 1.51). External validation of the algorithm in Chilean safe drinkers resulted in a c-index of 0.781 (95% CI 0.717, 0.846) and Hedge's g of 0.68 (95% CI 0.57, 0.78). Conclusions: The predictAL risk model for development of hazardous consumption in safe drinkers compares favourably with risk algorithms for disorders in other medical settings and can be a useful first step in prevention of alcohol misuse

    Report of the 12th Liaison Meeting

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    The 12th Liaison meeting was held in Brussels on 8th and 9th October 2015 to address the following Terms of Reference: TOR 1. Discussion on possible follow-­‐‑up to the main outputs/recommendations of: • The 2015 RCMs -­‐‑ specific recommendations addressed to the Liaison Meeting • PGECON, PGDATA, PGMed – outcomes and recommendations from their 2015 meeting • STECF EWG and STECF Plenary -­‐‑ outcomes and recommendations from their 2015 meetings • Data end users (ICES, STECF, RFMOs – GFCM, IATTC, ICCAT, IOTC, WCPFC, NAFO, SPRFMO, CECAF, WECAFC) TOR2. End user feedback on data transmission and related issues • Discuss feedback received from data end-­‐‑users on data transmission: main issues and possible harmonization of end user feedback to the Commission • JRC data transmission IT platform: experience gained and future steps • Discuss best practices on automatization of data upload by MS: data validation tools used by end users • Discussion on new set-­‐‑up for STECF evaluation of AR2014 & data transmission 2014 used in 2015 – continue like this next year? • Harmonisation and dissemination of DCF metadata: codelists, metiers, nomenclatures, best practices, standards • RCM data calls – overview of how MS responded TOR 3. Regional cooperation • Call for proposals MARE/2014/19 'ʹStrengthening Regional Cooperation in the area of fisheries data collection– state of play'ʹ. Presentation by a representative of the two RCG grants and discussions by LM thereafter. What should be the way forward? • Regional databases • Overview of use of the Regional Databases for RCMs in 2015 and problems identified • Other developments (RDB trainings in 2015, RDB Med&BS development) • Changes for the future – any recommendations from the LM? • Future role of RCMs and DCF-­‐‑related meetings: best practices, coordination, cohesion and common structure in line with emerging needs of DCF TOR 4. EU MAP • Discuss recommendations/ output of RCMs: List of proposed stocks, landing obligation, metiers • Discuss design-­‐‑based sampling in relation to DCF: does it fulfil DCF requirements? TOR 5. Availability of data • Overview of latest developments (DCF Database Feasibility Study and plans for a follow-­‐‑up study to this) TOR 6. AOB • Agree on a list of recommendations relating to DCF (that MS will need to report on in their AR2015) – COM will provide a compilation of proposed recommendations from LM & STECF Plenaries in 2014 as input • Prepare a list of recommended meetings for 2016 as guidance for MS • Review and prioritize DCF-­‐‑related study proposals from RCMs, PGECON, EGs etc • ICES update on workshop on concurrent sampling and plans to re-­‐‑evaluate survey

    Cross-architecture tuning of silicon and SiGe-based quantum devices using machine learning

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    The potential of Si and SiGe-based devices for the scaling of quantum circuits is tainted by device variability. Each device needs to be tuned to operation conditions and each device realisation requires a different tuning protocol. We demonstrate that it is possible to automate the tuning of a 4-gate Si FinFET, a 5-gate GeSi nanowire and a 7-gate Ge/SiGe heterostructure double quantum dot device from scratch with the same algorithm. We achieve tuning times of 30, 10, and 92 min, respectively. The algorithm also provides insight into the parameter space landscape for each of these devices, allowing for the characterization of the regions where double quantum dot regimes are found. These results show that overarching solutions for the tuning of quantum devices are enabled by machine learning

    Metabolic Adaptation in Transplastomic Plants Massively Accumulating Recombinant Proteins

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    BACKGROUND: Recombinant chloroplasts are endowed with an astonishing capacity to accumulate foreign proteins. However, knowledge about the impact on resident proteins of such high levels of recombinant protein accumulation is lacking. METHODOLOGY/PRINCIPAL FINDINGS: Here we used proteomics to characterize tobacco (Nicotiana tabacum) plastid transformants massively accumulating a p-hydroxyphenyl pyruvate dioxygenase (HPPD) or a green fluorescent protein (GFP). While under the conditions used no obvious modifications in plant phenotype could be observed, these proteins accumulated to even higher levels than ribulose 1,5-bisphosphate carboxylase/oxygenase (Rubisco), the most abundant protein on the planet. This accumulation occurred at the expense of a limited number of leaf proteins including Rubisco. In particular, enzymes involved in CO(2) metabolism such as nuclear-encoded plastidial Calvin cycle enzymes and mitochondrial glycine decarboxylase were found to adjust their accumulation level to these novel physiological conditions. CONCLUSIONS/SIGNIFICANCE: The results document how protein synthetic capacity is limited in plant cells. They may provide new avenues to evaluate possible bottlenecks in recombinant protein technology and to maintain plant fitness in future studies aiming at producing recombinant proteins of interest through chloroplast transformation

    Report of the 12th Liaison Meeting

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    The 12th Liaison meeting was held in Brussels on 8th and 9th October 2015 to address the following Terms of Reference: TOR 1. Discussion on possible follow-­‐‑up to the main outputs/recommendations of: • The 2015 RCMs -­‐‑ specific recommendations addressed to the Liaison Meeting • PGECON, PGDATA, PGMed – outcomes and recommendations from their 2015 meeting • STECF EWG and STECF Plenary -­‐‑ outcomes and recommendations from their 2015 meetings • Data end users (ICES, STECF, RFMOs – GFCM, IATTC, ICCAT, IOTC, WCPFC, NAFO, SPRFMO, CECAF, WECAFC) TOR2. End user feedback on data transmission and related issues • Discuss feedback received from data end-­‐‑users on data transmission: main issues and possible harmonization of end user feedback to the Commission • JRC data transmission IT platform: experience gained and future steps • Discuss best practices on automatization of data upload by MS: data validation tools used by end users • Discussion on new set-­‐‑up for STECF evaluation of AR2014 & data transmission 2014 used in 2015 – continue like this next year? • Harmonisation and dissemination of DCF metadata: codelists, metiers, nomenclatures, best practices, standards • RCM data calls – overview of how MS responded TOR 3. Regional cooperation • Call for proposals MARE/2014/19 'ʹStrengthening Regional Cooperation in the area of fisheries data collection– state of play'ʹ. Presentation by a representative of the two RCG grants and discussions by LM thereafter. What should be the way forward? • Regional databases • Overview of use of the Regional Databases for RCMs in 2015 and problems identified • Other developments (RDB trainings in 2015, RDB Med&BS development) • Changes for the future – any recommendations from the LM? • Future role of RCMs and DCF-­‐‑related meetings: best practices, coordination, cohesion and common structure in line with emerging needs of DCF TOR 4. EU MAP • Discuss recommendations/ output of RCMs: List of proposed stocks, landing obligation, metiers • Discuss design-­‐‑based sampling in relation to DCF: does it fulfil DCF requirements? TOR 5. Availability of data • Overview of latest developments (DCF Database Feasibility Study and plans for a follow-­‐‑up study to this) TOR 6. AOB • Agree on a list of recommendations relating to DCF (that MS will need to report on in their AR2015) – COM will provide a compilation of proposed recommendations from LM & STECF Plenaries in 2014 as input • Prepare a list of recommended meetings for 2016 as guidance for MS • Review and prioritize DCF-­‐‑related study proposals from RCMs, PGECON, EGs etc • ICES update on workshop on concurrent sampling and plans to re-­‐‑evaluate survey

    Colorful Niches of Phytoplankton Shaped by the Spatial Connectivity in a Large River Ecosystem: A Riverscape Perspective

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    Large rivers represent a significant component of inland waters and are considered sentinels and integrators of terrestrial and atmospheric processes. They represent hotspots for the transport and processing of organic and inorganic material from the surrounding landscape, which ultimately impacts the bio-optical properties and food webs of the rivers. In large rivers, hydraulic connectivity operates as a major forcing variable to structure the functioning of the riverscape, and–despite increasing interest in large-river studies–riverscape structural properties, such as the underwater spectral regime, and their impact on autotrophic ecological processes remain poorly studied. Here we used the St. Lawrence River to identify the mechanisms structuring the underwater spectral environment and their consequences on pico- and nanophytoplankton communities, which are good biological tracers of environmental changes. Our results, obtained from a 450 km sampling transect, demonstrate that tributaries exert a profound impact on the receiving river’s photosynthetic potential. This occurs mainly through injection of chromophoric dissolved organic matter (CDOM) and non-algal material (tripton). CDOM and tripton in the water column selectively absorbed wavelengths in a gradient from blue to red, and the resulting underwater light climate was in turn a strong driver of the phytoplankton community structure (prokaryote/eukaryote relative and absolute abundances) at scales of many kilometers from the tributary confluence. Our results conclusively demonstrate the proximal impact of watershed properties on underwater spectral composition in a highly dynamic river environment characterized by unique structuring properties such as high directional connectivity, numerous sources and forms of carbon, and a rapidly varying hydrodynamic regime. We surmise that the underwater spectral composition represents a key integrating and structural property of large, heterogeneous river ecosystems and a promising tool to study autotrophic functional properties. It confirms the usefulness of using the riverscape approach to study large-river ecosystems and initiate comparison along latitudinal gradients

    Cross-national variations in reported discrimination among people treated for major depression worldwide: The ASPEN/INDIGO international study

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    Background: No study has so far explored differences in discrimination reported by people with major depressive disorder (MDD) across countries and cultures. Aims: To (a) compare reported discrimination across different countries, and (b) explore the relative weight of individual and contextual factors in explaining levels of reported discrimination in people with MDD. Method: Cross-sectional multisite international survey (34 countries worldwide) of 1082 people with MDD. Experienced and anticipated discrimination were assessed by the Discrimination and Stigma Scale (DISC). Countries were classified according to their rating on the Human Development Index (HDI). Multilevel negative binomial and Poisson models were used. Results: People living in 'very high HDI' countries reported higher discrimination than those in 'medium/low HDI' countries. Variation in reported discrimination across countries was only partially explained by individual-level variables. The contribution of country-level variables was significant for anticipated discrimination only. Conclusions: Contextual factors play an important role in anticipated discrimination. Country-specific interventions should be implemented to prevent discrimination towards people with MDD

    The additional value of patient-reported health status in predicting 1-year mortality after invasive coronary procedures: A report from the Euro Heart Survey on Coronary Revascularisation

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    Objective: Self-perceived health status may be helpful in identifying patients at high risk for adverse outcomes. The Euro Heart Survey on Coronary Revascularization (EHS-CR) provided an opportunity to explore whether impaired health status was a predictor of 1-year mortality in patients with coronary artery disease (CAD) undergoing angiographic procedures. Methods: Data from the EHS-CR that included 5619 patients from 31 member countries of the European Society of Cardiology were used. Inclusion criteria for the current study were completion of a self-report measure of health status, the EuroQol Questionnaire (EQ-5D) at discharge and information on 1-year follow-up, resulting in a study population of 3786 patients. Results: The 1-year mortality was 3.2% (n = 120). Survivors reported fewer problems on the five dimensions of the EQ-5D as compared with non-survivors. A broad range of potential confounders were adjusted for, which reached a p<0.10 in the unadjusted analyses. In the adjusted analyses, problems with self-care (OR 3.45; 95% CI 2.14 to 5.59) and a low rating (≤ 60) on health status (OR 2.41; 95% CI 1.47 to 3.94) were the most powerful independent predictors of mortality, among the 22 clinical variables included in the analysis. Furthermore, patients who reported no problems on all five dimensions had significantly lower 1-year mortality rates (OR 0.47; 95% CI 0.28 to 0.81). Conclusions: This analysis shows that impaired health status is associated with a 2-3-fold increased risk of all-cause mortality in patients with CAD, independent of other conventional risk factors. These results highlight the importance of including patients' subjective experience of their own health status in the evaluation strategy to optimise risk stratification and management in clinical practice

    Effects of alirocumab on types of myocardial infarction: insights from the ODYSSEY OUTCOMES trial

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    Aims  The third Universal Definition of Myocardial Infarction (MI) Task Force classified MIs into five types: Type 1, spontaneous; Type 2, related to oxygen supply/demand imbalance; Type 3, fatal without ascertainment of cardiac biomarkers; Type 4, related to percutaneous coronary intervention; and Type 5, related to coronary artery bypass surgery. Low-density lipoprotein cholesterol (LDL-C) reduction with statins and proprotein convertase subtilisin–kexin Type 9 (PCSK9) inhibitors reduces risk of MI, but less is known about effects on types of MI. ODYSSEY OUTCOMES compared the PCSK9 inhibitor alirocumab with placebo in 18 924 patients with recent acute coronary syndrome (ACS) and elevated LDL-C (≥1.8 mmol/L) despite intensive statin therapy. In a pre-specified analysis, we assessed the effects of alirocumab on types of MI. Methods and results  Median follow-up was 2.8 years. Myocardial infarction types were prospectively adjudicated and classified. Of 1860 total MIs, 1223 (65.8%) were adjudicated as Type 1, 386 (20.8%) as Type 2, and 244 (13.1%) as Type 4. Few events were Type 3 (n = 2) or Type 5 (n = 5). Alirocumab reduced first MIs [hazard ratio (HR) 0.85, 95% confidence interval (CI) 0.77–0.95; P = 0.003], with reductions in both Type 1 (HR 0.87, 95% CI 0.77–0.99; P = 0.032) and Type 2 (0.77, 0.61–0.97; P = 0.025), but not Type 4 MI. Conclusion  After ACS, alirocumab added to intensive statin therapy favourably impacted on Type 1 and 2 MIs. The data indicate for the first time that a lipid-lowering therapy can attenuate the risk of Type 2 MI. Low-density lipoprotein cholesterol reduction below levels achievable with statins is an effective preventive strategy for both MI types.For complete list of authors see http://dx.doi.org/10.1093/eurheartj/ehz299</p

    Coexistence of genetically modified (GM) and non-GM crops in the European Union. A review

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