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- Azevedo, Flavio, et al.
(författare)
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Social and moral psychology of COVID-19 across 69 countries
- 2023
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Ingår i: Scientific Data. - : NATURE PORTFOLIO. - 2052-4463. ; 10:1
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Tidskriftsartikel (refereegranskat)abstract
- The COVID-19 pandemic has affected all domains of human life, including the economic and social fabric of societies. One of the central strategies for managing public health throughout the pandemic has been through persuasive messaging and collective behaviour change. To help scholars better understand the social and moral psychology behind public health behaviour, we present a dataset comprising of 51,404 individuals from 69 countries. This dataset was collected for the International Collaboration on Social & Moral Psychology of COVID-19 project (ICSMP COVID-19). This social science survey invited participants around the world to complete a series of moral and psychological measures and public health attitudes about COVID-19 during an early phase of the COVID-19 pandemic (between April and June 2020). The survey included seven broad categories of questions: COVID-19 beliefs and compliance behaviours; identity and social attitudes; ideology; health and well-being; moral beliefs and motivation; personality traits; and demographic variables. We report both raw and cleaned data, along with all survey materials, data visualisations, and psychometric evaluations of key variables.
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- Dahn, Hollis A., et al.
(författare)
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Benchmarking ultra-high molecular weight DNA preservation methods for long-read and long-range sequencing
- 2022
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Ingår i: GigaScience. - : Oxford University Press. - 2047-217X. ; 11
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Tidskriftsartikel (refereegranskat)abstract
- Background: Studies in vertebrate genomics require sampling from a broad range of tissue types, taxa, and localities. Recent advancements in long-read and long-range genome sequencing have made it possible to produce high-quality chromosome-level genome assemblies for almost any organism. However, adequate tissue preservation for the requisite ultra-high molecular weight DNA (uHMW DNA) remains a major challenge. Here we present a comparative study of preservation methods for field and laboratory tissue sampling, across vertebrate classes and different tissue types.Results: We find that storage temperature was the strongest predictor of uHMW fragment lengths. While immediate flash-freezing remains the sample preservation gold standard, samples preserved in 95% EtOH or 20-25% DMSO-EDTA showed little fragment length degradation when stored at 4 degrees C for 6 hours. Samples in 95% EtOH or 20-25% DMSO-EDTA kept at 4 degrees C for 1 week after dissection still yielded adequate amounts of uHMW DNA for most applications. Tissue type was a significant predictor of total DNA yield but not fragment length. Preservation solution had a smaller but significant influence on both fragment length and DNA yield.Conclusion: We provide sample preservation guidelines that ensure sufficient DNA integrity and amount required for use with long-read and long-range sequencing technologies across vertebrates. Our best practices generated the uHMW DNA needed for the high-quality reference genomes for phase 1 of the Vertebrate Genomes Project, whose ultimate mission is to generate chromosome-level reference genome assemblies of all similar to 70,000 extant vertebrate species.
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- Frosi, Y, et al.
(författare)
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Engineering an autonomous VH domain to modulate intracellular pathways and to interrogate the eIF4F complex
- 2022
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Ingår i: Nature communications. - : Springer Science and Business Media LLC. - 2041-1723. ; 13:1, s. 4854-
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Tidskriftsartikel (refereegranskat)abstract
- An attractive approach to target intracellular macromolecular interfaces and to model putative drug interactions is to design small high-affinity proteins. Variable domains of the immunoglobulin heavy chain (VH domains) are ideal miniproteins, but their development has been restricted by poor intracellular stability and expression. Here we show that an autonomous and disufhide-free VH domain is suitable for intracellular studies and use it to construct a high-diversity phage display library. Using this library and affinity maturation techniques we identify VH domains with picomolar affinity against eIF4E, a protein commonly hyper-activated in cancer. We demonstrate that these molecules interact with eIF4E at the eIF4G binding site via a distinct structural pose. Intracellular overexpression of these miniproteins reduce cellular proliferation and expression of malignancy-related proteins in cancer cell lines. The linkage of high-diversity in vitro libraries with an intracellularly expressible miniprotein scaffold will facilitate the discovery of VH domains suitable for intracellular applications.
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- Shrestha, D. P., et al.
(författare)
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Development of skin disease disability index to assess the dermatologic burden in Nepal
- 2013
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Ingår i: Institute of Medicine. Journal. - Kathmandu, Nepal : Institute of Medicine. - 1993-2979. ; 35:2, s. 24-29
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Tidskriftsartikel (refereegranskat)abstract
- Introduction: Skin disease is one of the leading cause of morbidity worldwide. Most instruments measuring the impact of skin disease on quality of life are developed in the west and not applicable to the socio-cultural situation in Nepal. The aim of the study was to develop and validate a questionnaire to measure quality of life impairment due to skin disease in Nepal.Methods: Different aspects of quality of life impairment were identiÞ ed from 35 in-depth interviews and two focus group discussions, with villagers with various skin diseases. Based on this information, 10 questions scoring the influence of skin diseases on quality of life – Skin Disease Disability Index (SDDI) – was developed. This instrument was tested and validated in 212 villagers with skin disease and in 100 healthy villagers.Results: The maximum total Skin Disease Disability Index score was 36. There was a wide variation in total Skin Disease Disability Index score between individuals with skin disease (range 1-33) with a mean score of 13.2, while in controls the mean total score was 1 (p<0.001). Thus, the Skin Disease Disability Index clearly discriminates between these two groups. The difference in mean score for single questions between patients and controls was also highly significant (p<0.001).Conclusions: The questionnaire clearly covered all aspects of quality of life related to skin disease and was, simple, robust, easy to use and well accepted by the selected population. The Skin Disease Disability Index was reliable in the overall score as well as in individual questions.
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- Van Bavel, Jay J., et al.
(författare)
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National identity predicts public health support during a global pandemic
- 2022
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Ingår i: Nature Communications. - : Nature Portfolio. - 2041-1723. ; 13:1
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Tidskriftsartikel (refereegranskat)abstract
- Understanding collective behaviour is an important aspect of managing the pandemic response. Here the authors show in a large global study that participants that reported identifying more strongly with their nation reported greater engagement in public health behaviours and support for public health policies in the context of the pandemic. Changing collective behaviour and supporting non-pharmaceutical interventions is an important component in mitigating virus transmission during a pandemic. In a large international collaboration (Study 1, N = 49,968 across 67 countries), we investigated self-reported factors associated with public health behaviours (e.g., spatial distancing and stricter hygiene) and endorsed public policy interventions (e.g., closing bars and restaurants) during the early stage of the COVID-19 pandemic (April-May 2020). Respondents who reported identifying more strongly with their nation consistently reported greater engagement in public health behaviours and support for public health policies. Results were similar for representative and non-representative national samples. Study 2 (N = 42 countries) conceptually replicated the central finding using aggregate indices of national identity (obtained using the World Values Survey) and a measure of actual behaviour change during the pandemic (obtained from Google mobility reports). Higher levels of national identification prior to the pandemic predicted lower mobility during the early stage of the pandemic (r = -0.40). We discuss the potential implications of links between national identity, leadership, and public health for managing COVID-19 and future pandemics.
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