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- Glasbey, JC, et al.
(författare)
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- 2021
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swepub:Mat__t
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- Lloyd-Price, Jason, et al.
(författare)
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Multi-omics of the gut microbial ecosystem in inflammatory bowel diseases
- 2019
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Ingår i: Nature. - : Nature Publishing Group. - 0028-0836 .- 1476-4687. ; 569:7758, s. 655-661
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Tidskriftsartikel (refereegranskat)abstract
- Inflammatory bowel diseases, which include Crohn's disease and ulcerative colitis, affect several million individuals worldwide. Crohn's disease and ulcerative colitis are complex diseases that are heterogeneous at the clinical, immunological, molecular, genetic, and microbial levels. Individual contributing factors have been the focus of extensive research. As part of the Integrative Human Microbiome Project (HMP2 or iHMP), we followed 132 subjects for one year each to generate integrated longitudinal molecular profiles of host and microbial activity during disease (up to 24 time points each; in total 2,965 stool, biopsy, and blood specimens). Here we present the results, which provide a comprehensive view of functional dysbiosis in the gut microbiome during inflammatory bowel disease activity. We demonstrate a characteristic increase in facultative anaerobes at the expense of obligate anaerobes, as well as molecular disruptions in microbial transcription (for example, among clostridia), metabolite pools (acylcarnitines, bile acids, and short-chain fatty acids), and levels of antibodies in host serum. Periods of disease activity were also marked by increases in temporal variability, with characteristic taxonomic, functional, and biochemical shifts. Finally, integrative analysis identified microbial, biochemical, and host factors central to this dysregulation. The study's infrastructure resources, results, and data, which are available through the Inflammatory Bowel Disease Multi'omics Database (http://ibdmdb.org), provide the most comprehensive description to date of host and microbial activities in inflammatory bowel diseases.
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- Lembrechts, Jonas J., et al.
(författare)
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SoilTemp : A global database of near-surface temperature
- 2020
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Ingår i: Global Change Biology. - : Wiley. - 1354-1013 .- 1365-2486. ; 26:11, s. 6616-6629
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Tidskriftsartikel (refereegranskat)abstract
- Current analyses and predictions of spatially explicit patterns and processes in ecology most often rely on climate data interpolated from standardized weather stations. This interpolated climate data represents long-term average thermal conditions at coarse spatial resolutions only. Hence, many climate-forcing factors that operate at fine spatiotemporal resolutions are overlooked. This is particularly important in relation to effects of observation height (e.g. vegetation, snow and soil characteristics) and in habitats varying in their exposure to radiation, moisture and wind (e.g. topography, radiative forcing or cold-air pooling). Since organisms living close to the ground relate more strongly to these microclimatic conditions than to free-air temperatures, microclimatic ground and near-surface data are needed to provide realistic forecasts of the fate of such organisms under anthropogenic climate change, as well as of the functioning of the ecosystems they live in. To fill this critical gap, we highlight a call for temperature time series submissions to SoilTemp, a geospatial database initiative compiling soil and near-surface temperature data from all over the world. Currently, this database contains time series from 7,538 temperature sensors from 51 countries across all key biomes. The database will pave the way toward an improved global understanding of microclimate and bridge the gap between the available climate data and the climate at fine spatiotemporal resolutions relevant to most organisms and ecosystem processes.
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- Hollo, G, et al.
(författare)
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Referral for first glaucoma surgery in Europe, the ReF-GS study
- 2019
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Ingår i: European journal of ophthalmology. - : SAGE Publications. - 1724-6016 .- 1120-6721. ; 29:4, s. 406-416
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Tidskriftsartikel (refereegranskat)abstract
- To analyze the appropriateness of referrals for incisional glaucoma-surgery in Europe. Methods: Referrals for the first open-angle glaucoma surgery between January and October 2017 were analyzed in 18 countries: 8 “old” European Union, 7 “new” European Union and 3 non-European Union European countries. Results: Most eyes had primary open-angle or exfoliative glaucoma. The average mean deviation was −13.8 dB with split fixation in 44.3%. No structural progression analysis was made before the referrals. The most common medications were the combination of a prostaglandin analog, timolol and a carbonic anhydrase inhibitor (30.0%), and all other combinations comprising ⩾ 3 molecules (33.8%). Laser trabeculoplasty was reported in only 18.4%. Of the 294 referrals, 41.5% were appropriate and timely, 35.0% appropriate but later than optimal, and 17.6% appropriate but too late (minimal vision maintained). The treatment period was significantly longer (median: 7 years) in the “old” European Union countries than in the other groups (3 and 2 years, respectively). No between-group differences were seen in intraocular pressure and mean deviation, but the non-European Union group referred the patients at significantly lower cup/disk ratio and eye drop usage than the other groups. Split fixation was significantly more common in the “old” (60.6%) than the “new” European Union countries (38.7%), and in both EU country-groups than in the non-European Union countries (13.6%). Conclusions: Of 294 European open-angle glaucoma referrals for first glaucoma-surgery, 41.5% were completely satisfactory. The damage was typically advanced, and the care varied considerably among the countries. This suggests that further efforts are necessary to improve glaucoma care in Europe.
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- Kenny, Douglas J., et al.
(författare)
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Cholesterol Metabolism by Uncultured Human Gut Bacteria Influences Host Cholesterol Level
- 2020
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Ingår i: Cell Host and Microbe. - : Elsevier. - 1931-3128 .- 1934-6069. ; 28:2, s. 245-257
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Tidskriftsartikel (refereegranskat)abstract
- The human microbiome encodes extensive metabolic capabilities, but our understanding of the mechanisms linking gut microbes to human metabolism remains limited. Here, we focus on the conversion of cholesterol to the poorly absorbed sterol coprostanol by the gut microbiota to develop a framework for the identification of functional enzymes and microbes. By integrating paired metagenomics and metabolomics data from existing cohorts with biochemical knowledge and experimentation, we predict and validate a group of microbial cholesterol dehydrogenases that contribute to coprostanol formation. These enzymes are encoded by ismA genes in a Glade of uncultured microorganisms, which are prevalent in geographically diverse human cohorts. Individuals harboring coprostanol-forming microbes have significantly lower fecal cholesterol levels and lower serum total cholesterol with effects comparable to those attributed to variations in lipid homeostasis genes. Thus, cholesterol metabolism by these microbes may play important roles in reducing intestinal and serum cholesterol concentrations, directly impacting human health.
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- Chadwick, D., et al.
(författare)
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Digital inclusion and participation of people with intellectual disabilities during COVID-19 : A rapid review and international bricolage
- 2022
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Ingår i: Journal of Policy and Practice in Intellectual Disabilities. - : Wiley. - 1741-1122 .- 1741-1130. ; 19:3, s. 242-256
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Tidskriftsartikel (refereegranskat)abstract
- The COVID-19 pandemic has meant a rapid transfer of everyday activities to the online world. Information and communication technologies (ICTs) have become more embedded than ever in people's lives. This investigation addresses how this change has affected the lives of people with intellectual disabilities (ID). A two-step design was used. A rapid review was conducted on empirical studies published between January 2019 and June 2021. Search terms related to ID, ICT use and COVID-19. A qualitative international bricolage was also conducted corresponding to author nationalities. Data gathered from the review and bricolage were analysed separately using thematic analysis and relationally synthesised. Digital solutions to provide access to COVID-19 information and guidance seemed inadequate but were seldom empirically studied. Digital poverty, literacy and exclusion remain significant issues for people with ID internationally. People and their carers experienced reduced and removed service provision, loneliness and impoverished daily lives during the pandemic; amelioration of which was facilitated by digital solutions. One solution often used was videoconferencing. Prior experience of digital participation, adequate finances, connection, support and digital literacy mentoring for both people with ID and those providing services and support facilitated digital inclusion. Digital exclusion during COVID-19 was exacerbated by sociopolitical, structural, individual and support-related barriers. Although awareness of digital exclusion appears to have been raised, the extent to which this has led to action and change remains unclear. Despite digital exclusion and digital participation benefitting continuation of life, social and emotional well-being and autonomy, COVID-19 has not provided the impetus to eradicate digital poverty for people with ID. Governmental support, digital education, creativity and problem solving are required to enable people with ID the human right to be included in the digital world at this essential time and into the future.
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