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- 2019
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Tidskriftsartikel (refereegranskat)
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- Ratcliffe, S., et al.
(författare)
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Biodiversity and ecosystem functioning relations in European forests depend on environmental context
- 2017
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Ingår i: Ecology Letters. - : Wiley. - 1461-023X .- 1461-0248. ; 20:11, s. 1414-1426
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Tidskriftsartikel (refereegranskat)abstract
- The importance of biodiversity in supporting ecosystem functioning is generally well accepted. However, most evidence comes from small-scale studies, and scaling-up patterns of biodiversity-ecosystem functioning (B-EF) remains challenging, in part because the importance of environmental factors in shaping B-EF relations is poorly understood. Using a forest research platform in which 26 ecosystem functions were measured along gradients of tree species richness in six regions across Europe, we investigated the extent and the potential drivers of context dependency of B-EF relations. Despite considerable variation in species richness effects across the continent, we found a tendency for stronger B-EF relations in drier climates as well as in areas with longer growing seasons and more functionally diverse tree species. The importance of water availability in driving context dependency suggests that as water limitation increases under climate change, biodiversity may become even more important to support high levels of functioning in European forests.
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- van der Plas, F., et al.
(författare)
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Continental mapping of forest ecosystem functions reveals a high but unrealised potential for forest multifunctionality
- 2018
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Ingår i: Ecology Letters. - : Wiley. - 1461-023X .- 1461-0248. ; 21:1, s. 31-42
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Tidskriftsartikel (refereegranskat)abstract
- Humans require multiple services from ecosystems, but it is largely unknown whether trade-offs between ecosystem functions prevent the realisation of high ecosystem multifunctionality across spatial scales. Here, we combined a comprehensive dataset (28 ecosystem functions measured on 209 forest plots) with a forest inventory dataset (105,316 plots) to extrapolate and map relationships between various ecosystem multifunctionality measures across Europe. These multifunctionality measures reflected different management objectives, related to timber production, climate regulation and biodiversity conservation/recreation. We found that trade-offs among them were rare across Europe, at both local and continental scales. This suggests a high potential for win-win' forest management strategies, where overall multifunctionality is maximised. However, across sites, multifunctionality was on average 45.8-49.8% below maximum levels and not necessarily highest in protected areas. Therefore, using one of the most comprehensive assessments so far, our study suggests a high but largely unrealised potential for management to promote multifunctional forests.
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- Carrasco, Marta, et al.
(författare)
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Probing the Azaaurone Scaffold against the Hepatic and Erythrocytic Stages of Malaria Parasites
- 2016
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Ingår i: Chemmedchem. - : Wiley. - 1860-7179. ; 11:19, s. 2194-2204
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Tidskriftsartikel (refereegranskat)abstract
- The potential of azaaurones as dual-stage antimalarial agents was investigated by assessing the effect of a small library of azaaurones on the inhibition of liver and intraerythrocytic lifecycle stages of the malaria parasite. The whole series was screened against the blood stage of a chloroquine-resistant Plasmodium falciparum strain and the liver stage of P.berghei, yielding compounds with dual-stage activity and sub-micromolar potency against erythrocytic parasites. Studies with genetically modified parasites, using a phenotypic assay based on the P.falciparum Dd2-ScDHODH line, which expresses yeast dihydroorotate dehydrogenase (DHODH), showed that one of the azaaurone derivatives has the potential to inhibit the parasite mitochondrial electron-transport chain. The global urgency in finding new therapies for malaria, especially against the underexplored liver stage, associated with chemical tractability of azaaurones, warrants further development of this chemotype. Overall, these results emphasize the azaaurone chemotype as a promising scaffold for dual-stage antimalarials.
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- Chapple, C. R., et al.
(författare)
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Consensus Statement of the European Urology Association and the European Urogynaecological Association on the Use of Implanted Materials for Treating Pelvic Organ Prolapse and Stress Urinary Incontinence
- 2017
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Ingår i: European Urology. - : Elsevier BV. - 0302-2838. ; 72:3, s. 424-431
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Tidskriftsartikel (refereegranskat)abstract
- Context: Surgical nonautologous meshes have been used for several decades to repair abdominal wall herniae. Implantable materials have been adopted for the treatment of female and male stress urinary incontinence (SUI) and female pelvic organ prolapse (POP). Objective: A consensus review of existing data based on published meta-analyses and reviews. Evidence acquisition: This document summarises the deliberations of a consensus group meeting convened by the European Association of Urology (EAU) and the European Urogynecological Association, to explore the current evidence relating to the use of polypropylene (PP) materials used for the treatment of SUI and POP, with reference to the 2016 EAU guidelines (European Association of Urology 2016), the European Commission's SCENIHR report on the use of surgical meshes (SCENIHR 2015), other available high-quality evidence, guidelines, and national recommendations. Evidence synthesis: Current data suggest that the use of nonautologous durable materials in surgery has well-established benefits but significant risks, which are specific to the condition and location they are used for. Various graft-related complications have been described-such as infection, chronic pain including dyspareunia, exposure in the vagina, shrinkage, erosion into other organs of xenografts, synthetic PP tapes (used in SUI), and meshes (used in POP)-which differ from the complications seen with abdominal herniae. Conclusions: When considering surgery for SUI, it is essential to evaluate the available options, which may include synthetic midurethral slings (MUSs) using PP tapes, bulking agents, colposuspension, and autologous sling surgery. The use of synthetic MUSs for surgical treatment of SUI in both male and female patients has good efficacy and acceptable morbidity. Synthetic mesh for POP should be used only in complex cases with recurrent prolapse in the same compartment and restricted to those surgeons with appropriate training who are working in multidisciplinary referral centres. Patient summary: Synthetic slings can be safely used in the surgical treatment of stress incontinence in both male and female patients. Patients need to be aware of the alternative therapy and potential risks and complications of this therapy. Synthetic mesh for treating prolapse should be used only in complex cases with recurrent prolapse in specialist referral centres.
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- Mukhtar-Landgren, D., et al.
(författare)
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Municipalities as enablers in urban experimentation
- 2019
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Ingår i: Journal of Environmental Policy & Planning. - : Informa UK Limited. - 1523-908X .- 1522-7200. ; 21:6
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Tidskriftsartikel (refereegranskat)abstract
- In the light of increasing urban challenges, municipalities are developing and advancing new forms of governing. One such example is ?urban experimentation?, a process where city-based innovation processes are initiated to test solutions that ? if deemed successful ? are intended to be scaled up with the ambition to leverage a broader urban sustainability transition. Research on experimental governance has shown that municipalities can play various roles in these processes, including the role as enabler. The article contributes to the literature on the roles of public actors in urban experimentation on sustainability challenges by advancing understanding of the less studied ?enabler? role. We probe the politics of enabling by focusing on the policy instruments employed by municipalities. Our aim is to provide deeper insights into the everyday work of urban administrations when they act in the ?enabler? role. One particular approach of urban experimentation is Urban Living Labs (ULL), and this paper analyses ULL that address sustainability challenges. Along the four dimensions of nodality, authority, treasury, and organisation, we identify the politics of enabling in four ULL examples from Sweden and the Netherlands.
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- Stedt, H, et al.
(författare)
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Tomato thymidine kinase-based suicide gene therapy for malignant glioma-an alternative for Herpes Simplex virus-1 thymidine kinase.
- 2015
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Ingår i: Cancer Gene Therapy. - : Springer Science and Business Media LLC. - 1476-5500 .- 0929-1903. ; 22:3, s. 130-137
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Tidskriftsartikel (refereegranskat)abstract
- Malignant gliomas (MGs) are the most common malignant primary brain tumors with a short life estimate accompanied by a marked reduction in the quality of life. Herpes Simplex virus-1 thymidine kinase ganciclovir (HSV-TK/GCV) system is the best characterized enzyme prodrug therapy in use. However, lipophobicity of GCV and low enzymatic activity of HSV-TK reduce the treatment efficacy. Tomato TK (ToTK) has shown high activity in combination with its specific substrate azidothymidine (AZT). The aim of this study was to evaluate whether ToTK/AZT could be used as an alternative to HSV-TK/GCV therapy. Both treatments demonstrated cytotoxicity in human MG cells in vitro. In vivo, both treatments decreased tumor growth and tumors were smaller in comparison with controls in mouse orthotopic MG model. Survival of ToTK/AZT-treated mice was significantly increased compared with control mice (*P<0.05) but not as compared with HSV-TK/GCV-treated mice. No significant differences were observed in clinical chemistry safety analyses. We conclude that both treatments showed a beneficial treatment response in comparison to controls on tumor growth and ToTK/AZT also on survival. There were no significant differences between these treatments. Therefore ToTK/AZT could be considered as an alternative treatment option for MG because of its favorable therapeutic characteristics.Cancer Gene Therapy advance online publication, 23 January 2015; doi:10.1038/cgt.2014.76.
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- Volkert, D, et al.
(författare)
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ESPEN guidelines on nutrition in dementia
- 2015
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Ingår i: Clinical nutrition (Edinburgh, Scotland). - : Elsevier BV. - 1532-1983 .- 0261-5614. ; 34:6, s. 1052-1073
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Tidskriftsartikel (refereegranskat)
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