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Die kulturanthropologische Studie beschäftigt sich mit der pädagogischen Nutzung von Wäldern. Sie betrachtet dieses Phänomen vor dem Hintergrund zweier Entwicklungen: Zum einen wird die Zunahme von gesellschaftlichen Bedürfnissen an den Wald betrachtet etwa aus den Bereichen Freizeit, Sport, Gesundheit oder Bildung. Zum anderen wird die Zuspitzung des Nutzungskonflikts zwischen Forst- und Naturschutzakteuren im Wald in den Blick genommen. Im Zentrum der Arbeit stehen daher sowohl der Prozess der pädagogischen Inwertsetzung des Waldes als auch die Frage, wie sich der Nutzungskonflikt in der pädagogischen Praxis widerspiegelt. Eine empirisch-ethnografische Feldforschung im Nationalpark Kellerwald-Edersee und im Jugendwaldheim des Forstbetriebs des Landes Hessen im Jahr 2014 bilden das Fundament der Studie.
Die Ergebnisse machen den Prozess der pädagogischen Inwertsetzung transparent: Sie verweisen auf einzelne Praktiken, auf beteiligte Akteure und stellen dar, wie das Bild vom Wald als pädagogisch wertvoller Raum gesellschaftlich Fuß fasst. Sie zeigen darüber hinaus, dass Naturschutz- und Forstakteure die Bildungspraktiken nutzen, um ihre jeweiligen Vorstellungen zur Nutzung des Waldes gesellschaftlich durchzusetzen. Vor allem machen die Ergebnisse deutlich, dass durch die pädagogischen Inwertsetzung einerseits und die Instrumentalisierung der Bildung andererseits Diskussionen über die Funktion und den Stellenwert der pädagogischen Nutzung von Wäldern ausgelöst werden. Die Studie zeigt, dass im Rahmen dieser Debatten die gesellschaftlichen Wünsche gegenüber den bislang dominierenden forstwirtschaftlichen und naturschutzfachlichen Aspekten an Relevanz gewinnen.
Das Versprechen der Demokratie ist nicht, dass dem Willen des Volkes Geltung verschafft wird. Denn den Willen des Volkes gibt es nicht. Es gibt vielmehr nur unzählige Kombinationen von Meinungen und Interessen, aus denen jeweils von neuem ein dem Volk zurechenbarer Wille gebildet werden muss. In dem so gebildeten Willen werden sich nie alle wieder finden. Das Versprechen der Demokratie ist aber, dass alle bei der Bildung des Willens mitwirken und also Einfluss auf das Ergebnis nehmen können und dass der jeweiligen Mehrheit nicht alles erlaubt ist, insbesondere nicht, die Minderheit um ihre Chancen zu bringen, selbst Mehrheit zu werden, samt den Voraussetzungen, die dafür nötig sind.
Multicentre comparison of quantitative PCR-based assays to detect SARS-CoV-2, Germany, March 2020
(2020)
Containment strategies and clinical management of coronavirus disease (COVID-19) patients during the current pandemic depend on reliable diagnostic PCR assays for the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Here, we compare 11 different RT-PCR test systems used in seven diagnostic laboratories in Germany in March 2020. While most assays performed well, we identified detection problems in a commonly used assay that may have resulted in false-negative test results during the first weeks of the pandemic.
Chronic coronary artery disease remains an unconquered clinical problem, affecting an increasing number of people worldwide. Despite the improved understanding of the disease development, the implementation of the many advances in diagnosis and therapy is lacking. Many clinicians continue to rely on patient's symptoms and diagnostic methods, which do not enable optimal clinical decisions. For example, echocardiography and invasive coronary catheterisation remain the mainstay investigations for stable angina patients in many places, despite the evidence on their limitations and availability of better diagnostic options. Cardiac MRI is a powerful diagnostic method, supporting robust measurements of crucial markers of cardiac structure and function, myocardial perfusion and scar, as well as providing detailed insight into myocardial tissue. Accurate and informative diagnostic readouts can help with guiding therapy, monitoring disease progress and tailoring the response to treatment. In this article, the authors outline the evidence supporting the state-of-art applications based on cardiovascular magnetic resonance, allowing the clinician optimal use of this insightful diagnostic method in everyday clinical practice.
Purpose: The prevalence of "ocal allergic rhinitis" within individuals suffering from perennial rhinitis remains uncertain, and patients usually are diagnosed with non-allergic rhinitis. The aim of this study was to evaluate the prevalence of a potential "local allergic rhinitis" in subjects suffering from non-allergic rhinitis in a non-selected group of young students.
Methods: 131 students (age 25.0 ± 5.1 years) with a possible allergic rhinitis and 25 non-allergic controls without rhinitis symptoms (age 22.0 ± 2.0 years) were recruited by public postings. 97 of 131 students with rhinitis were tested positive (≥3 mm) to prick testing with 17 frequent allergens at visit 1. Twenty-four 24 subjects with a house dust mite allergy, 21 subjects with a non-allergic rhinitis, and 18 non-allergic controls were further investigated at visit 2. Blood samples were taken, and nasal secretion was examined. In addition, all groups performed a nasal provocation test with house dust mite (HDM).
Results: In serum and nasal secretion, total IgE and house dust mite specific IgE significantly differed between HDM positive subjects and controls. However, no differences between non-allergic subjects and control subjects were quantifiable. Neither a nasal provocation test nor a nasal IgE to HDM allergens showed a measurable positive response in any of the non-allergic rhinitis subjects as well as the healthy controls, whilst being positive in 13 subjects with HDM allergy.
Conclusions: Nasal IgE is present in subjects with HDM allergy, but not in non-allergic rhinitis. In the investigated non-selected population, exclusive local production of IgE is absent. By implication, therefore, our findings challenge the emerging concept of local allergic rhinitis.
Study identifier at ClinicalTrials.gov: NCT 02810535.
The novel coronavirus SARS-CoV-2 is the causative agent of the acute respiratory disease COVID-19, which has become a global concern due to its rapid spread. Meanwhile, increased demand for testing has led to a shortage of reagents and supplies and compromised the performance of diagnostic laboratories in many countries. Both the World Health Organization (WHO) and the Center for Disease Control and Prevention (CDC) recommend multi-step RT-PCR assays using multiple primer and probe pairs, which might complicate the interpretation of the test results, especially for borderline cases. In this study, we describe an alternative RT-PCR approach for the detection of SARS-CoV-2 RNA that can be used for the probe-based detection of clinical isolates in diagnostics as well as in research labs using a low-cost SYBR green method. For the evaluation, we used samples from patients with confirmed SARS-CoV-2 infections and performed RT-PCR assays along with successive dilutions of RNA standards to determine the limit of detection. We identified an M-gene binding primer and probe pair highly suitable for the quantitative detection of SARS-CoV-2 RNA for diagnostic and research purposes.
Eine mobile Welt, Lebensläufe, die uns mal hierhin, mal dorthin führen und dann noch die globale Pandemie: Auch kleine Kunstprojekte müssen sich damit auseinandersetzen, wie sie ihren kreativen Prozess in räumlicher Entfernung organisieren. Welche digitalen Werkzeuge können helfen? Was das Projekt vi·son in den letzten Monaten über kreative Online-Zusammenarbeit gelernt hat.
The Wirecard scandal is a wake-up call alerting German politics to the importance of securities market integrity. The role of market supervision is to ensure the smooth functioning of capital markets and their integrity, creating trust among and acceptance by investors locally and globally. The existing patchwork of national supervisory practice in Europe is under discussion today, in the wake of Brexit that will end the role of London as a de-facto lead supervisor in stock and bond markets. A fundamental overhaul of a fragmented securities markets supervisory regime in Europe would offer the potential to lead to the establishment of an independent European Single Market Supervisor (ESMS). Endowed with strong enforcement powers, and supported by the existing national agencies, the ESMS would be entrusted with ensuring a uniform market standard as to transparency and other issues of market integrity across Europe. This would not rule out maintaining a variety of market organization structures at the national level. The ESMS would need executive powers in the world of markets (i.e. securities and trading), much like the SSM in the world of banking. To fill this new role, ESMS would have to be established as a new, independent institution, including an enormously scaled up staff if compared, e.g., to ESMA.
Accounting for financial stability: Bank disclosure and loss recognition in the financial crisis
(2020)
This paper examines banks’ disclosures and loss recognition in the financial crisis and identifies several core issues for the link between accounting and financial stability. Our analysis suggests that, going into the financial crisis, banks’ disclosures about relevant risk exposures were relatively sparse. Such disclosures came later after major concerns about banks’ exposures had arisen in markets. Similarly, the recognition of loan losses was relatively slow and delayed relative to prevailing market expectations. Among the possible explanations for this evidence, our analysis suggests that banks’ reporting incentives played a key role, which has important implications for bank supervision and the new expected loss model for loan accounting. We also provide evidence that shielding regulatory capital from accounting losses through prudential filters can dampen banks’ incentives for corrective actions. Overall, our analysis reveals several important challenges if accounting and financial reporting are to contribute to financial stability.
Background/aims: Hepatocellular carcinoma (HCC) is a leading indication for liver transplantation (LT) worldwide. Early identification of patients at risk for HCC recurrence is of paramount importance since early treatment of recurrent HCC after LT may be associated with increased survival. We evaluated incidence of and predictors for HCC recurrence, with a focus on the course of AFP levels.
Methods: We performed a retrospective, single-center study of 99 HCC patients who underwent LT between January 28th, 1997 and May 11th, 2016. A multi-stage proportional hazards model with three stages was used to evaluate potential predictive markers, both by univariate and multivariable analysis, for influences on 1) recurrence after transplantation, 2) mortality without HCC recurrence, and 3) mortality after recurrence.
Results: 19/99 HCC patients showed recurrence after LT. Waiting time was not associated with overall HCC recurrence (HR = 1, p = 0.979). Similarly, waiting time did not affect mortality in LT recipients both with (HR = 0.97, p = 0.282) or without (HR = 0.99, p = 0.685) HCC recurrence. Log10-transformed AFP values at the time of LT (HR 1.75, p = 0.023) as well as after LT (HR 2.07, p = 0.037) were significantly associated with recurrence. Median survival in patients with a ratio (AFP at recurrence divided by AFP 3 months before recurrence) of 0.5 was greater than 70 months, as compared to a median of only 8 months in patients with a ratio of 5.
Conclusion: A rise in AFP levels rather than an absolute threshold could help to identify patients at short-term risk for HCC recurrence post LT, which may allow intensification of the surveillance strategy on an individualized basis.
Background: Fingolimod is used for immune therapy in patients with multiple sclerosis. Long-term treatment is associated with a small increase in the risk of herpes virus reactivation and respiratory tract infections. Patients with coronavirus disease 2019 (COVID-19) under Fingolimod treatment have not been described.
Methods and results. We report a 57-year old female patient with a relapsing remitting multiple sclerosis under fingolimod treatment who experienced a severe COVID-19 infection in March 2020 (Extended Disability Status Scale: 2.0). Having peripheral lymphopenia typical for fingolimod treatment (total lymphocytes 0.39/nL [reference range 1.22-3.56]), the patient developed bilateral interstitial pneumonia with multiple ground-glass opacities on chest CT. Fingolimod medication was stopped. On the intensive care unit, non-invasive ventilation was used to provide oxygen and ventilation support regularly. Over the following two days, oxygenation improved, and the patient was transferred to a normal ward five days after admission.
Conclusion: The implications fingolimod has on COVID-19 are complex. As an S1P analogue, fingolimod might enhance lung endothelial cell integrity. In addition, in case of a so-called cytokine storm, immunomodulation might be beneficial to reduce mortality. Future studies are needed to explore the risks and therapeutic effects of fingolimod in COVID-19 patients.
Microthlaspi erraticum is widely distributed in temperate Eurasia, but restricted to Ca2+-rich habitats, predominantly on white Jurassic limestone, which is made up by calcium carbonate, with little other minerals. Thus, naturally occurring Microthlaspi erraticum individuals are confronted with a high concentration of Ca2+ ions while Mg2+ ion concentration is relatively low. As there is a competitive uptake between these two ions, adaptation to the soil condition can be expected. In this study, it was the aim to explore the genomic consequences of this adaptation by sequencing and analysing the genome of Microthlaspi erraticum. Its genome size is comparable with other diploid Brassicaceae, while more genes were predicted. Two Mg2+ transporters known to be expressed in roots were duplicated and one showed a significant degree of positive selection. It is speculated that this evolved due to the pressure to take up Mg2+ ions efficiently in the presence of an overwhelming amount of Ca2+ ions. Future studies on plants specialized on similar soils and affinity tests of the transporters are needed to provide unequivocal evidence for this hypothesis. If verified, the transporters found in this study might be useful for breeding Brassicaceae crops for higher yield on Ca2+-rich and Mg2+ -poor soils.