| 1. |
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| 2. |
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| 3. |
- Bonnert, M., et al.
(författare)
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Internet-delivered cognitive behavior therapy for adolescents with functional gastrointestinal disorders - An open trial
- 2014
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Ingår i: Internet Interventions. - : Elsevier BV. - 2214-7829. ; 1:3, s. 141-148
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Tidskriftsartikel (refereegranskat)abstract
- Functional gastrointestinal disorders (FGID), including irritable bowel syndrome, functional dyspepsia and functional abdominal pain, are common in adolescents and are associated with substantially decreased quality of life. Cognitive behavior therapy for children and adolescents with FGID is one of few treatments that have shown effect, but treatment access is limited. In adults with irritable bowel syndrome, exposure-based internet-delivered CBT (ICBT) leads to reduced symptoms and increased quality of life, but studies in children are lacking. This open pilot aimed to evaluate feasibility and the potential efficacy of an exposure-based ICBT-program for adolescents with pain-predominant FGID. Twenty-nine adolescents (age 13-17), with FGID were included. The ICBT-program lasted for 8. weeks with weekly online therapist support. The protocol for adolescents included exposure to abdominal symptoms, while the protocol for parents aimed at increasing parents' attention to adolescent healthy behaviors. Assessment points were baseline, post-treatment and 6-month follow-up. The primary outcome was the Gastrointestinal Symptoms Rating Scale-IBS (GSRS-IBS). Effect sizes were calculated using Cohen's d in an intent to treat analysis. GSRS-IBS improved significantly from baseline to post-treatment (mean difference 6.48; 95% CI [2.37-10.58]) and to follow-up (mean difference 7.82; 95% CI [3.43-12.21]), corresponding to moderate effect sizes (within-group Cohen's d= 0.50; 95% CI [0.16-0.84] and d= 0.63; 95% CI [0.24-1.02], respectively). Treatment adherence was high with 22 of 29 (76%) adolescents completing the entire treatment period. High adherence indicates acceptability of format and content, while symptomatic improvement suggests potential efficacy for this ICBT intervention in adolescents with FGID. © 2014.
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| 4. |
- Elmberg, Johan, et al.
(författare)
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Farmed European mallards are genetically different and cause introgression in the wild population following releases
- 2016
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Konferensbidrag (refereegranskat)abstract
- The practice of restocking already viable populations to increase harvest potential has since long been common in forestry, fisheries and wildlife management. The potential risks of restocking native species have long been overshadowed by the related issue of invasive alien species. However, during the last decade releases of native species with potentially non-native genome have received more attention. A suitable model to study genetic effects of large-scale releases of native species is the Mallard Anas platyrhynchos, being the most widespread duck in the world, largely migratory, and an important quarry species. More than 3 million unfledged hatchlings are released each year around Europe to increase local harvest. The aims of this study were to determine if wild and released farmed Mallards differ genetically, if there are signs of previous or ongoing introgression between wild and farmed birds, and if the genetic structure of the wild Mallard population has changed since large-scale releases started in Europe in the 1970s. Using 360 Single Nucleotide Polymorphisms (SNPs) we found that the genetic structure differed among historical wild, present-day wild, and farmed Mallards in Europe. We also found signs of introgression in the wild Mallard population, that is, individuals with a genetic background of farmed stock are part of the present free-living population. Although only a small proportion of the released Mallards appears to survive to merge with the free-living breeding population, their numbers are still so large that the genetic impact may have significance for the wild population in terms of individual survival and longterm fitness.
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| 5. |
- Elmberg, Johan, et al.
(författare)
-
Farmed European mallards are genetically different and cause introgression in the wild population following releases
- 2016
-
Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
- The practice of restocking already viable populations to increase harvest potential has since long been common in forestry, fisheries and wildlife management. The potential risks of restocking native species have long been overshadowed by the related issue of invasive alien species. However, during the last decade releases of native species with potentially non-native genome have received more attention. A suitable model to study genetic effects of large-scale releases of native species is the Mallard Anas platyrhynchos, being the most widespread duck in the world, largely migratory, and an important quarry species. More than 3 million unfledged hatchlings are released each year around Europe to increase local harvest. The aims of this study were to determine if wild and released farmed Mallards differ genetically, if there are signs of previous or ongoing introgression between wild and farmed birds, and if the genetic structure of the wild Mallard population has changed since large-scale releases started in Europe in the 1970s. Using 360 Single Nucleotide Polymorphisms (SNPs) we found that the genetic structure differed among historical wild, present-day wild, and farmed Mallards in Europe. We also found signs of introgression in the wild Mallard population, that is, individuals with a genetic background of farmed stock are part of the present free-living population. Although only a small proportion of the released Mallards appears to survive to merge with the free-living breeding population, their numbers are still so large that the genetic impact may have significance for the wild population in terms of individual survival and longterm fitness.
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| 6. |
- Kraus, R.H.S., et al.
(författare)
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Freigelassenes Federwild führt zu kontinent-weiter genetischer Introgression : die sich ändernde genetische Landschaft der Stockente Anas platyrhynchos in Europa
- 2015
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Konferensbidrag (refereegranskat)abstract
- Es ist eine seit langem übliche Praxis in Forstwirtschaft, Fischerei und allgemeinem Wildtiermanagement, Wildtierbestände gezielt aufzustocken. In den letzten ca. zehn Jahren haben aber solche Programme Aufmerksamkeit erregt, in denen lokale Bestände von Tierarten mit Individuen der gleichen Art, aber aus anderen Regionen und damit potentiell nicht-nativen Genomen aufgestockt wurden. Die Stockente Anas platyrhynchos ist ein geeignetes Modell um die genetischen Effekte solcher großskaligen Freisetzungen auf den einheimischen Genpool zu untersuchen, weil sie die am weitesten verbreitete und zahlreichste Entenart der Welt ist, über weite Strecken migrieren kann und gleichzeitig global das wichtigste Federwild darstellt. In vielen europäischen Ländern wird die Stockente seit etwa den frühen 1970er Jahren auch auf speziellen Farmen gezüchtet und zu Jagdzwecken ausgesetzt. So gehen aktuelle Schätzungen davon aus, dass jährlich etwa drei Millionen junge Enten nur zum Zweck der Aufstockung zur Jagd an europäischen Gewässern ausgesetzt werden. Die Ziele unserer Studie waren herauszufinden, ob sich Enten von Farmpopulationen genetisch von wilden Enten unterscheiden lassen, ob es Anzeichen früherer oder anhaltender genetischer Introgression zwischen diesen beiden Gruppen gibt und ob sich die genetische Struktur der wilden Entenpopulationen seit der großskaligen Entenaufstockung verändert hat. Dazu verwendeten wir 360 SNP Marker (Single Nucleotide Polymorhpism) um die genetische Struktur von historischen wilden Stockenten (Museumsproben), zeitgenössischen wilden Stockenten und Farm-Enten zu vergleichen (N = 591). Wir fanden klare genetische Unterschiede zwischen wilden Stockenten und Farm-Enten in mehreren Ländern Europas. Ebenfalls konnten wir genetische Introgression von Genen der Farm-Enten in die wilde Stockentenpopulation zeigen. Die Vermischung scheint bisher zwar messbar aber noch gering zu sein, da auf Farmen gezüchtete Stockenten in der Wildnis geringe Überlebensraten aufweisen. Dennoch sollte die weitere Einkreuzung von Farm-Enten in die wilden Stockentenpopulationen so gering wie möglich gehalten werden, da durch anhaltende genetische Introgression möglicherweise in Zukunft lokale Anpassungen der wilden Stockenten geschwächt werden, was eine Bedrohung dieser Bestände darstellen könnte.
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| 7. |
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| 8. |
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| 9. |
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| 10. |
- Söderquist, Pär, et al.
(författare)
-
Admixture between released and wild game birds: a changing genetic landscape in European mallards (Anas platyrhynchos)
- 2017
-
Ingår i: European Biophysics Journal. - : Springer Verlag (Germany). - 0175-7571 .- 1432-1017. ; 63
-
Tidskriftsartikel (refereegranskat)abstract
- Disruption of naturally evolved spatial patterns of genetic variation and local adaptations is a growing concern in wildlife management and conservation. During the last decade, releases of native taxa with potentially non-native genotypes have received increased attention. This has mostly concerned conservation programs, but releases are also widely carried out to boost harvest opportunities. The mallard, Anas platyrhynchos, is one of few terrestrial migratory vertebrates subjected to large-scale releases for hunting purposes. It is the most numerous and widespread duck in the world, yet each year more than three million farmed mallard ducklings are released into the wild in the European Union alone to increase the harvestable population. This study aimed to determine the genetic effects of such large-scale releases of a native species, specifically if wild and released farmed mallards differ genetically among subpopulations in Europe, if there are signs of admixture between the two groups, if the genetic structure of the wild mallard population has changed since large-scale releases began in the 1970s, and if the current data matches global patterns across the Northern hemisphere. We used Bayesian clustering (Structure software) and Discriminant Analysis of Principal Components (DAPC) to analyze the genetic structure of historical and present-day wild (n = 171 and n = 209, respectively) as well as farmed (n = 211) mallards from six European countries as inferred by 360 single-nucleotide polymorphisms (SNPs). Both methods showed a clear genetic differentiation between wild and farmed mallards. Admixed individuals were found in the present-day wild population, implicating introgression of farmed genotypes into wild mallards despite low survival among released farmed mallards. Such cryptic introgression would alter the genetic composition of wild populations and may have unknown long-term consequences for conservation.
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| 11. |
- Colldén, Hannah, et al.
(författare)
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Dietary Progesterone Contributes to Intratissue Levels of Progesterone in Male Mice
- 2023
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Ingår i: Endocrinology. - 0013-7227 .- 1945-7170. ; 164:8
-
Tidskriftsartikel (refereegranskat)abstract
- Progesterone serum levels have been identified as a potential predictor for treatment effect in men with advanced prostate cancer, which is an androgen-driven disease. Although progesterone is the most abundant sex steroid in orchiectomized (ORX) male mice, the origins of progesterone in males are unclear. To determine the origins of progesterone and androgens, we first determined the effect of ORX, adrenalectomy (ADX), or both (ORX + ADX) on progesterone levels in multiple male mouse tissues. As expected, intratissue androgen levels were mainly testicular derived. Interestingly, progesterone levels remained high after ORX and ORX + ADX with the highest levels in white adipose tissue and in the gastrointestinal tract. High progesterone levels were observed in mouse chow and exceptionally high progesterone levels were observed in food items such as dairy, eggs, and beef, all derived from female animals of reproductive age. To determine if orally ingested progesterone contributes to tissue levels of progesterone in males, we treated ORX + ADX and sham mice with isotope-labeled progesterone or vehicle by oral gavage. We observed a significant uptake of labeled progesterone in white adipose tissue and prostate, suggesting that dietary progesterone may contribute to tissue levels of progesterone. In conclusion, although adrenal-derived progesterone contributes to intratissue progesterone levels in males, nonadrenal progesterone sources also contribute. We propose that dietary progesterone is absorbed and contributes to intratissue progesterone levels in male mice. We speculate that food with high progesterone content could be a significant source of progesterone in males, possibly with consequences for men undergoing androgen deprivation therapy for prostate cancer.
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| 12. |
- Razis, E., et al.
(författare)
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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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| 13. |
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| 14. |
- Söderquist, Pär, et al.
(författare)
-
Admixture between released and wild game birds: a changing genetic landscape in European mallards (Anas platyrhynchos)
- 2017
-
Ingår i: European Biophysics Journal. - : Springer Verlag. - 0175-7571 .- 1432-1017. ; 63:6
-
Tidskriftsartikel (refereegranskat)abstract
- Disruption of naturally evolved spatial patterns of genetic variation and local adaptations is a growing concern in wildlife management and conservation. During the last decade, releases of native taxa with potentially non-native genotypes have received increased attention. This has mostly concerned conservation programs, but releases are also widely carried out to boost harvest opportunities. The mallard, Anas platyrhynchos, is one of few terrestrial migratory vertebrates subjected to large-scale releases for hunting purposes. It is the most numerous and widespread duck in the world, yet each year more than three million farmed mallard ducklings are released into the wild in the European Union alone to increase the harvestable population. This study aimed to determine the genetic effects of such large-scale releases of a native species, specifically if wild and released farmed mallards differ genetically among subpopulations in Europe, if there are signs of admixture between the two groups, if the genetic structure of the wild mallard population has changed since large-scale releases began in the 1970s, and if the current data matches global patterns across the Northern hemisphere. We used Bayesian clustering (Structure software) and Discriminant Analysis of Principal Components (DAPC) to analyze the genetic structure of historical and present-day wild (n = 171 and n = 209, respectively) as well as farmed (n = 211) mallards from six European countries as inferred by 360 single-nucleotide polymorphisms (SNPs). Both methods showed a clear genetic differentiation between wild and farmed mallards. Admixed individuals were found in the present-day wild population, implicating introgression of farmed genotypes into wild mallards despite low survival among released farmed mallards. Such cryptic introgression would alter the genetic composition of wild populations and may have unknown long-term consequences for conservation.
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| 15. |
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| 16. |
- Aminoff, A, et al.
(författare)
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Allele-specific regulation of MTTP expression influences the risk of ischemic heart disease.
- 2010
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Ingår i: Journal of lipid research. - 0022-2275 .- 1539-7262. ; 51:1, s. 103-11
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Tidskriftsartikel (refereegranskat)abstract
- Promoter polymorphisms in microsomal triglyceride transfer protein (MTTP) have been associated with decreased plasma lipids but an increased risk for ischemic heart disease (IHD), indicating that MTTP influences the susceptibility for IHD independent of plasma lipids. The objective of this study was to characterize the functional promoter polymorphism in MTTP predisposing to IHD and its underlying mechanism. Use of pyrosequencing technology revealed that presence of the minor alleles of the promoter polymorphisms -493G>T and -164T>C result in lower transcription of MTTP in vivo in the heart, liver, and macrophages. In vitro experiments indicated that the minor -164C allele mediates the lower gene expression and that C/EBP binds to the polymorphic region in an allele-specific manner. Furthermore, homozygous carriers of the -164C were found to have increased risk for IHD as shown in a case-control study including a total of 544 IHD patients and 544 healthy control subjects. We concluded that carriers of the minor -164C allele have lower expression of MTTP in the heart, mediated at least partly by the transcription factor CCAAT/enhancer binding protein, and that reduced concentration of MTTP in the myocardium may contribute to IHD upon ischemic damage.
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| 17. |
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| 18. |
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| 19. |
- Bäck, Tom, 1964, et al.
(författare)
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Targeted alpha therapy with astatine-211-labeled anti-PSCA A11 minibody shows antitumor efficacy in prostate cancer xenografts and bone microtumors
- 2020
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Ingår i: Ejnmmi Research. - : Springer Science and Business Media LLC. - 2191-219X. ; 10:1
-
Tidskriftsartikel (refereegranskat)abstract
- Purpose Targeted alpha therapy (TAT) is a promising treatment for micrometastatic and minimal residual cancer. We evaluated systemic alpha-radioimmunotherapy (alpha-RIT) of metastatic castration-resistant prostate cancer (mCRPC) using the alpha-particle emitter At-211-labeled to the anti-PSCA A11 minibody. A11 is specific for prostate stem cell antigen (PSCA), a cell surface glycoprotein which is overexpressed in more than 90% of both localized prostate cancer and bone metastases. Methods PC3-PSCA cells were implanted subcutaneously (s.c.) and intratibially (i.t) in nude mice. Efficacy of alpha-RIT (two fractions-14-day interval) was studied on s.c. macrotumors (0, 1.5 and 1.9 MBq) and on i.t. microtumors (100-200 mu m; 0, 0.8 or 1.5 MBq) by tumor-volume measurements. The injected activities for therapies were estimated from separate biodistribution and myelotoxicity studies. Results Tumor targeting of At-211-A11 was efficient and the effect on s.c. macrotumors was strong and dose-dependent. At 6 weeks, the mean tumor volumes for the treated groups, compared with controls, were reduced by approximately 85%. The separate myelotoxicity study following one single fraction showed reduced white blood cells (WBC) for all treated groups on day 6 after treatment. For the 0.8 and 1.5 MBq, the WBC reductions were transient and followed by recovery at day 13. For 2.4 MBq, a clear toxicity was observed and the mice were sacrificed on day 7. In the long-term follow-up of the 0.8 and 1.5 MBq-groups, blood counts on day 252 were normal and no signs of radiotoxicity observed. Efficacy on i.t. microtumors was evaluated in two experiments. In experiment 1, the tumor-free fraction (TFF) was 95% for both treated groups and significantly different (p < 0.05) from the controls at a TFF of 66%). In experiment 2, the difference in TFF was smaller, 32% for the treated group versus 20% for the controls. However, the difference in microtumor volume in experiment 2 was highly significant, 0.010 +/- 0.003 mm(3) versus 3.79 +/- 1.24 mm(3) (treated versus controls, respectively), i.e., a 99.7% reduction (p < 0.001). The different outcome in experiment 1 and 2 is most likely due to differences in microtumor sizes at therapy, or higher tumor-take in experiment 2 (where more cells were implanted). Conclusion Evaluating fractionated alpha-RIT with At-211-labeled anti-PSCA A11 minibody, we found clear growth inhibition on both macrotumors and intratibial microtumors. For mice treated with multiple fractions, we also observed radiotoxicity manifested by progressive loss in body weight at 30 to 90 days after treatment. Our findings are conceptually promising for a systemic TAT of mCRPC and warrant further investigations of At-211-labeled PSCA-directed vectors. Such studies should include methods to improve the therapeutic window, e.g., by implementing a pretargeted regimen of alpha-RIT or by altering the size of the targeting vector.
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| 20. |
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| 21. |
- Frohlich, Michael W., et al.
(författare)
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Molecular phylogenetics of Euploca (Boraginaceae) : homoplasy in many characters, including the C-4 photosynthetic pathway
- 2022
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Ingår i: Botanical journal of the Linnean Society. - : Oxford University Press (OUP). - 0024-4074 .- 1095-8339. ; 199:2, s. 497-537
-
Tidskriftsartikel (refereegranskat)abstract
- We present a phylogenetic analysis using plastid (matK, rbcL) and nuclear (nrITS) DNA for diverse Euploca spp. (formerly Heliotropium section Orthostachys) from the worldwide distribution of a genus and including species encompassing the wide physiological and morphological diversity of the genus. Our results indicate that some remarkably complex features arose multiple times in parallel in Euploca, including attributes of its subsections under section Orthostachys, notably plants that, above ground, consist almost entirely of inflorescences. To elucidate in greater detail the distribution of C-4 species in Euploca and Heliotropium s.s., we made > 800 delta C-13 determinations, including some from the traditional genus Tournefortia. We greatly increase the number of proven C-4 species in Euploca, but found none outside Euploca. Of the tested Euploca spp., c. 28% are C-3 or intermediate in carbon fixation pathway. Our phylogenetic results indicate four parallel/convergent acquisitions of C-4 photosynthesis or fewer origins with subsequent loss in some species.
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| 22. |
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| 23. |
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| 24. |
- Liedberg, Fredrik, et al.
(författare)
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Swedish National Guidelines on Urothelial Carcinoma: 2021 update on non-muscle invasive bladder cancer and upper tract urothelial carcinoma
- 2022
-
Ingår i: Scandinavian Journal of Urology. - : Medical Journals Sweden AB. - 2168-1805 .- 2168-1813. ; 56:2, s. 137-146
-
Tidskriftsartikel (refereegranskat)abstract
- Objective: To overview the updated Swedish National Guidelines on Urothelial Carcinoma 2021, with emphasis on non-muscle-invasive bladder cancer (NMIBC) and upper tract urothelial carcinoma (UTUC). Methods: A narrative review of the updated version of the Swedish National Guidelines on Urothelial Carcinoma 2021 and highlighting new treatment recommendations, with comparison to the European Association of Urology (EAU) guidelines and current literature. Results: For NMIBC the new EAU 2021 risk group stratification has been introduced for non-muscle invasive bladder cancer to predict risk of progression and the web-based application has been translated to Swedish (https://nmibc.net.). For patients with non-BCG -responsive disease treatment recommendations have been pinpointed, to guide patient counselling in this clinical situation. A new recommendation in the current version of the guidelines is the introduction of four courses of adjuvant platinum-based chemotherapy to patients with advanced disease in the nephroureterectomy specimen (pT2 or higher and/or N+). Patients with papillary urothelial neoplasms with low malignant potential (PUNLMP) can be discharged from follow-up already after 3 years based on a very low subsequent risk of further recurrences. Conclusions: The current version of the Swedish national guidelines introduces a new risk-stratification model and follow-up recommendation for NMIBC and adjuvant chemotherapy after radical surgery for UTUC.
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| 25. |
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| 26. |
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| 27. |
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| 28. |
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| 29. |
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| 30. |
- Pramling, Niklas, 1973, et al.
(författare)
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Learning, Teaching, and Didaktik
- 2019
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Ingår i: Play-Responsive Teaching in Early Childhood Education. - Cham : Springer. - 2468-8746. - 9783030159580 ; , s. 17-29
-
Bokkapitel (refereegranskat)abstract
- In this chapter, our perspective on teaching, learning and didaktik are presented. What we refer to as didaktik highlights issues concerning content and context, and we therefore discuss these notions more closely. © 2019, The Author(s).
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| 31. |
- Pramling, Niklas, 1973, et al.
(författare)
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The Letter Thief: From Playing to Teaching to Learning to Playing
- 2019
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Ingår i: Play-Responsive Teaching in Early Childhood Education. - Cham : Springer International Publishing. - 2468-8746.
-
Bokkapitel (övrigt vetenskapligt/konstnärligt)abstract
- In this chapter, we show how a learning content can be introduced in a child-initiated play frame, without interrupting the play. The chapter therefore gives an example of how what is sometimes referred to as academic content can be promoted through such activity. The analysis clarifies how reading and graphical symbols become structuring resources in children’s play. A real-world problem (as is) is introduced and managed within the fictional realm of play (as if). © 2019, The Author(s).
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| 32. |
- Pramling, Niklas, 1973, et al.
(författare)
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The Lion and the Mouse: How and Why Teachers Succeed in Becoming Participants in Children’s Ongoing Play
- 2019
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Ingår i: Play-Responsive Teaching in Early Childhood Education. - Cham : Springer. - 2468-8746. - 9783030159580 ; , s. 87-96
-
Bokkapitel (refereegranskat)abstract
- In this chapter, we investigate preschool teachers’ attempts to participate when children are already engaged in playing (alone or with playmates), and we focus on when and why teachers seem to succeed (or not) in their attempts to enter such play. © 2019, The Author(s).
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| 33. |
- Pramling, Niklas, 1973, et al.
(författare)
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The Magical Fruits: Establishing a Narrative Play Frame for Mutual Problem Solving
- 2019
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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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| 34. |
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| 35. |
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| 36. |
- Stenmark, Bianca, 1987-, et al.
(författare)
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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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| 37. |
- Sterte, Johan, et al.
(författare)
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Characterization of alumina-montmorillonite complexes
- 1988
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Ingår i: Applied Catalysis. - 0166-9834 .- 1873-3867. ; 38:1, s. 119-129
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Tidskriftsartikel (refereegranskat)abstract
- Changes in pore structure on thermal and hydrothermal treatment of three different alumina-montmorillonite complexes were investigated using nitrogen adsorption-desorption measurements, thermogravimetric analysis, adsorption of condensed aromatic molecules and acidity measurements by pyridine adsorption. The surface area retention of the alumina-montmorillonites after thermal and hydrothermal treatment increased with increasing temperature of hydrothermal treatment of the aluminum chlorohydrate solution used in the preparation of the materials. Hydrothermal treatment of the alumina-montmorillonites at 750°C for 18 h resulted in increased average layer distances in the materials primarily due to a collapse of micropores. The acidity retentions of the alumina-montmorillonites, measured by pyridine adsorption, were approximately proportional to the corresponding surface area retentions.
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- Theorell, T, et al.
(författare)
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Treatment of patients with chronic somatic symptoms by means of art psychotherapy: a process description
- 1998
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Ingår i: Psychotherapy and psychosomatics. - : S. Karger AG. - 0033-3190 .- 1423-0348. ; 67:1, s. 50-56
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Tidskriftsartikel (refereegranskat)abstract
- <b>Background: </b>Inability to express emotions is common in patients with long-lasting somatic symptoms associated with incapacitation and impaired quality of life. One method for treating this inability is art psychotherapy. In this study the typical course in such treatments is described. Patients were followed longitudinally before therapy and every 4th to 6th month during the treatment. <b>Methods:</b> Patients with long-lasting psychosomatic conditions resulting in partial or total loss of working capacity for at least 1 year have been treated in the programme. All of them had chronic pain. The majority of the patients that were referred to us were offered treatment. Three-fourths of those who started treatment stayed in treatment as long as the therapist considered it optimal. Twenty-four patients (22 women and 2 men) in the present study had their treatment started on average 2 years (range 13–42 months) before the end of the treatment period. In addition these 24 patients were contacted 6–48 months after the end of the therapy (average 23 months) and a short post-evaluation was made by telephone. <b>Results:</b> The first year of treatment was characterized by emotional turmoil paralleled by increased energy level reflected in temporary elevation of serum uric acid. Significant improvement was observed with regard to anxiety-depression after one year of treatment. A tendency towards decreased levels of psychosomatic symptoms in general was observed after two years of treatment. One-fourth of the 20 non-working or parttime working patients increased their working activity. <b>Conclusions:</b> A slow partial recovery was observed. Art psychotherapy may have contributed to this.
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- Thulin, CG, et al.
(författare)
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The occurrence of mountain hare mitochondrial DNA in wild brown hares
- 1997
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Ingår i: MOLECULAR ECOLOGY. - : BLACKWELL SCIENCE LTD. - 0962-1083. ; 6:5, s. 463-467
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- If interspecific hybrids are fertile and backcross to either parental species, transmission of mitochondrial DNA over the species barrier can occur. To investigate if such transmission has occurred between the brown hare Lepus europeus Pall and the mounta
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