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Sökning: WFRF:(Thulin P)

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  • Pramling, Niklas, 1973, et al. (författare)
  • The Magical Fruits: Establishing a Narrative Play Frame for Mutual Problem Solving
  • 2019
  • Ingår i: Play-Responsive Teaching in Early Childhood Education. - Cham : Springer. - 2468-8746. - 9783030159580 ; , s. 137-151
  • Bokkapitel (refereegranskat)abstract
    • In this chapter, we analyze a prolonged activity from initiation to conclusion, focusing on (i) how the teacher establishes a narrative, imaginary, frame for the activity, (ii) how children participate and contribute to this activity, (iii) what didaktikal challenges are actualized and what support the children are given in the activity, including what contents are constituted, and (iv) what the implications of the activity are for children’s development. © 2019, The Author(s).
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27.
  • Razis, E., et al. (författare)
  • Assessment of the management of carcinomatous meningitis from breast cancer globally: a study by the Breast International Group Brain Metastasis Task Force
  • 2022
  • Ingår i: ESMO Open. - : Elsevier BV. - 2059-7029. ; 7:3
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Carcinomatous meningitis (CM) is a severe complication of breast cancer. The Breast International Group (BIG) carried out a survey to describe the approach to CM internationally. Patients and methods: A questionnaire on the management of CM was developed by the Brain Metastases Task Force of BIG and distributed to its groups, requesting one answer per group site. Results: A total of 241 sites responded, 119 from Europe, 9 from North America, 39 from Central/South America, 58 from Asia, and 16 in Australia/New Zealand, with 24.5% being general hospitals with oncology units, 44.4% university hospitals, 22.4% oncology centers, and 8.7% private hospitals. About 56.0% of sites reported seeing <5 cases annually with 60.6% reporting no increase in the number of cases of CM recently. Nearly 63.1% of sites investigate for CM when a patient has symptoms or radiological evidence, while 33.2% investigate only for symptoms. For diagnosis, 71.8% of sites required a positive cerebrospinal fluid cytology, while magnetic resonance imaging findings were sufficient in 23.7% of sites. Roughly 97.1% of sites treat CM and 51.9% also refer patients to palliative care. Intrathecal therapy is used in 41.9% of sites, mainly with methotrexate (74.3%). As many as 20 centers have a national registry for patients with breast cancer with central nervous system metastases and of those 5 have one for CM. Most (90.9%) centers would be interested in participating in a registry as well as in studies for CM, the latter preferably (62.1%) breast cancer subtype specific. Conclusions: This is the first study to map out the approach to CM from breast cancer globally. Although guidelines with level 1 evidence are lacking, there is a high degree of homogeneity in the approach to CM globally and great interest for conducting studies in this area.
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  • Stenmark, Bianca, 1987-, et al. (författare)
  • Complete genome and methylome analysis of Neisseria meningitidis associated with increased serogroup Y disease
  • 2020
  • Ingår i: Scientific Reports. - : Nature Publishing Group. - 2045-2322. ; 10:1
  • Tidskriftsartikel (refereegranskat)abstract
    • Invasive meningococcal disease (IMD) due to serogroup Y Neisseria meningitidis emerged in Europe during the 2000s. Draft genomes of serogroup Y isolates in Sweden revealed that although the population structure of these isolates was similar to other serogroup Y isolates internationally, a distinct strain (YI) and more specifically a sublineage (1) of this strain was responsible for the increase of serogroup Y IMD in Sweden. We performed single molecule real-time (SMRT) sequencing on eight serogroup Y isolates from different sublineages to unravel the genetic and epigenetic factors delineating them, in order to understand the serogroup Y emergence. Extensive comparisons between the serogroup Y sublineages of all coding sequences, complex genomic regions, intergenic regions, and methylation motifs revealed small point mutations in genes mainly encoding hypothetical and metabolic proteins, and non-synonymous variants in genes involved in adhesion, iron acquisition, and endotoxin production. The methylation motif CACNNNNNTAC was only found in isolates of sublineage 2. Only seven genes were putatively differentially expressed, and another two genes encoding hypothetical proteins were only present in sublineage 2. These data suggest that the serogroup Y IMD increase in Sweden was most probably due to small changes in genes important for colonization and transmission.
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30.
  • Stenmark, Bianca, 1987-, et al. (författare)
  • Complete genome and methylome comparison of two Neisseria meningitidis serogroup Y subtypes
  • 2017
  • Ingår i: 2nd ASM Conference on Rapid Applied Microbial Next-Generation Sequencing and Bioinformatic Pipelines. - Washington, DC : American Society for Microbiology. ; , s. 32-33
  • Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
    • Background: A significant increase in invasive meningococcal disease (IMD) due to serogroup Y Neisseria meningitidis (MenY) strains emerged in the United States during the 1990s spreading to Europe shortly thereafter. The largest increase was observed in Sweden with incidence proportions up to 53%. cgMLST of all MenY isolates causing IMD between 1995 to 2012 in Sweden revealed that a distinct strain (YI) and more specifically a subtype (1) of this strain was found to be responsible for the increase of MenY IMD in Sweden [1]. The aim was to compare the complete genome and methylome of subtype 1 to the less successful subtype 2 using Single Molecule Real-Time (SMRT) sequencing technology.Methods: Ten genomes belonging to subtype 1 (n=7) and 2 (n=3) and one MenY genome without connection to a specific strain were sequenced using SMRT sequencing on a PacBio®RS II. SMRT Portal v2 was used to identify modified positions and for the genome-wide analysis of modified motifs. DNA methyltransferase genes associated with the different methyltransferase recognition motifs identified were searched using the Restriction Enzyme Database REBASE (rebase.neb.com).Results: Genomic comparison of the two MenY subtypes revealed that these possessed highly similar genomes, only two genes encoding hypothetical proteins were present in subtype 2 but absent in subtype 1. There were 99 genes with allelic differences and non-synonymous differences were found in genes implicated in adhesion, lipooligosaccharides (LOS) production, pilin production and iron acquisition. The genome-wide analysis of the methylome identified three modified motifs: GATC, GGNNCC and CACNNNNNTAC, the latter was only found in isolates belonging to subtype 2 and a trans-posase was found inserted in the candidate enzyme: a type I restriction system specificity protein (NEIS2535). In general, modifications were found in both cytosine and adenine bases although the latter, 6mA, was the most frequent modification in all isolates and more predominant among subtype 2. Many inactive restriction modification systems were present; however, in order to reveal more active sys-tems, further analysis on 5mC is needed.Conclusion: Our preliminary results indicate that there is a difference in methylation motifs as well as positional distribution of modifications between the two MenY subtypes. Since no differences were found in the presence of genes potentially involved in pathogenicity between the two subtypes, and it has been previously established that there was rather a tendency of a milder clinical picture among IMD caused by subtype 1 [2], the emergence of subtype 1 was most probably due to increased transmission or that the human population was more immunologically naïve to this subtype.References: 1. Törös B et al. J Clin Microbiol 2015, 53(7):2154-2162. 2. Säll O et al.Epidemiol Infect 2017, 145(10):2137-2143.
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