1,522 results on '"Wilhelmson AS"'
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2. Frail older people with decreased cognition can perceive reduced self-determination in self-care and social relationships
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Isabelle Andersson Hammar, Theresa Westgård, Synneve Dahlin-Ivanoff, and Katarina Wilhelmson
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Cognition ,Cross-sectional study ,Decision-making ,Frail elderly ,Geriatrics ,RC952-954.6 - Abstract
Abstract Background Self-determination in old age is essential for people’s experiences of good subjective health and quality of life. The knowledge concerning how frail older people with decreased cognition perceive their ability to be self-determined in the different dimension in daily life is, however, limited. The aim of this study was therefore to explore the relationship of self-determination and cognition in frail older people. Methods This study was a cross-sectional secondary data analysis using baseline data with 119 frail people 75 ≥ from a larger randomized control trial. Self-determination was measured with the statements from the Impact on Participation and Autonomy-Older persons (IPA-O). Cognition was measured using the Mini Mental State Examination (MMSE), where decreased cognition was broadly defined as a score below 25 points. Fisher’s exact test was used to test differences in proportions of perceiving self-determination in relation to cognition. The Relative Risk (RR) with a 95% Confidence Interval (CI) was used to explore the risk of perceiving reduced self-determination in relation to cognitive functioning. Results Nearly the entire study population, regardless of cognitive functioning, perceived self-determination in Financial situation. For people with decreased cognition, the relative risk for perceiving reduced self-determination was statistically significant higher in activities related to Self-care and in Social relationships when comparing with the participants with intact cognition. Conclusion Perceiving self-determination when being old, frail and having decreased cognition is possible but is dependent upon which activities that are involved. Organizing healthcare needs according to the older people’s wants and wishes is crucial regardless of people having a cognitive decline or not when the effort is to enable the people to be as self-determined as they want. The frail older people with decreased cognition should be treated as being experts in their own lives, and healthcare professionals should navigate the older people to get to their desired direction. Trial registration ClinicalTrials.gov, NCT02773914. Retrospectively registered 16 May 2016.
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- 2024
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3. TET2 lesions enhance the aggressiveness of CEBPA-mutant acute myeloid leukemia by rebalancing GATA2 expression
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Heyes, Elizabeth, Wilhelmson, Anna S., Wenzel, Anne, Manhart, Gabriele, Eder, Thomas, Schuster, Mikkel B., Rzepa, Edwin, Pundhir, Sachin, D’Altri, Teresa, Frank, Anne-Katrine, Gentil, Coline, Woessmann, Jakob, Schoof, Erwin M., Meggendorfer, Manja, Schwaller, Jürg, Haferlach, Torsten, Grebien, Florian, and Porse, Bo T.
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- 2023
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4. Preliminary strontium isotope (87Sr/86Sr) baselines for the Bjäre Peninsula and Halland in southern Sweden
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Stella Macheridis, Michael Sandstrom, Andreas Svensson, Helene Wilhelmson, Åsa Berggren, and Per Wranning
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strontium isotope analysis ,archaeology ,Bjäre ,Halland ,archaeological mobility studies ,Archaeology ,CC1-960 - Abstract
During the last decade, the application of strontium isotope analysis (87Sr/86Sr) has increased rapidly. The understanding of the strontium isoscape and the construction of a strontium isotope baseline in southern Scandinavia are biased toward Denmark and southwestern to eastern Scania. We report the results of new baseline samples in Halland and the Bjäre Peninsula, adding to the rich strontium isotope library that exists for southern Scandinavia. We add nuance to the previous divisions of Scania, in which the Bjäre Peninsula is not well represented. The results show that the Bjäre Peninsula is characterized by relatively low 87Sr/86Sr values gathered in the preliminary baseline 0.7100 ± 0.0024 (2σ, n = 8), similar to that of southwest Scania and Zealand in Denmark. There is a greater variation and higher values among the Halland samples. Together with previously published faunal samples, a preliminary 87Sr/86Sr baseline for Halland is 0.7122 ± 0.0055 (2σ, n = 24). We apply these baseline results to archaeological cases, both human and animal, from recent excavations in the Bjäre Peninsula. The results imply that there was a certain degree of mobility and interaction across the landscape in this region of southern Scandinavia in prehistory.
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- 2024
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5. TET2 lesions enhance the aggressiveness of CEBPA-mutant acute myeloid leukemia by rebalancing GATA2 expression
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Elizabeth Heyes, Anna S. Wilhelmson, Anne Wenzel, Gabriele Manhart, Thomas Eder, Mikkel B. Schuster, Edwin Rzepa, Sachin Pundhir, Teresa D’Altri, Anne-Katrine Frank, Coline Gentil, Jakob Woessmann, Erwin M. Schoof, Manja Meggendorfer, Jürg Schwaller, Torsten Haferlach, Florian Grebien, and Bo T. Porse
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Science - Abstract
Abstract The myeloid transcription factor CEBPA is recurrently biallelically mutated (i.e., double mutated; CEBPA DM) in acute myeloid leukemia (AML) with a combination of hypermorphic N-terminal mutations (CEBPA NT), promoting expression of the leukemia-associated p30 isoform, and amorphic C-terminal mutations. The most frequently co-mutated genes in CEBPA DM AML are GATA2 and TET2, however the molecular mechanisms underlying this co-mutational spectrum are incomplete. By combining transcriptomic and epigenomic analyses of CEBPA-TET2 co-mutated patients with models thereof, we identify GATA2 as a conserved target of the CEBPA-TET2 mutational axis, providing a rationale for the mutational spectra in CEBPA DM AML. Elevated CEBPA levels, driven by CEBPA NT, mediate recruitment of TET2 to the Gata2 distal hematopoietic enhancer thereby increasing Gata2 expression. Concurrent loss of TET2 in CEBPA DM AML induces a competitive advantage by increasing Gata2 promoter methylation, thereby rebalancing GATA2 levels. Of clinical relevance, demethylating treatment of Cebpa-Tet2 co-mutated AML restores Gata2 levels and prolongs disease latency.
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- 2023
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6. Population genomics of the Viking world
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Margaryan, Ashot, Lawson, Daniel J, Sikora, Martin, Racimo, Fernando, Rasmussen, Simon, Moltke, Ida, Cassidy, Lara M, Jørsboe, Emil, Ingason, Andrés, Pedersen, Mikkel W, Korneliussen, Thorfinn, Wilhelmson, Helene, Buś, Magdalena M, de Barros Damgaard, Peter, Martiniano, Rui, Renaud, Gabriel, Bhérer, Claude, Moreno-Mayar, J Víctor, Fotakis, Anna K, Allen, Marie, Allmäe, Raili, Molak, Martyna, Cappellini, Enrico, Scorrano, Gabriele, McColl, Hugh, Buzhilova, Alexandra, Fox, Allison, Albrechtsen, Anders, Schütz, Berit, Skar, Birgitte, Arcini, Caroline, Falys, Ceri, Jonson, Charlotte Hedenstierna, Błaszczyk, Dariusz, Pezhemsky, Denis, Turner-Walker, Gordon, Gestsdóttir, Hildur, Lundstrøm, Inge, Gustin, Ingrid, Mainland, Ingrid, Potekhina, Inna, Muntoni, Italo M, Cheng, Jade, Stenderup, Jesper, Ma, Jilong, Gibson, Julie, Peets, Jüri, Gustafsson, Jörgen, Iversen, Katrine H, Simpson, Linzi, Strand, Lisa, Loe, Louise, Sikora, Maeve, Florek, Marek, Vretemark, Maria, Redknap, Mark, Bajka, Monika, Pushkina, Tamara, Søvsø, Morten, Grigoreva, Natalia, Christensen, Tom, Kastholm, Ole, Uldum, Otto, Favia, Pasquale, Holck, Per, Sten, Sabine, Arge, Símun V, Ellingvåg, Sturla, Moiseyev, Vayacheslav, Bogdanowicz, Wiesław, Magnusson, Yvonne, Orlando, Ludovic, Pentz, Peter, Jessen, Mads Dengsø, Pedersen, Anne, Collard, Mark, Bradley, Daniel G, Jørkov, Marie Louise, Arneborg, Jette, Lynnerup, Niels, Price, Neil, Gilbert, M Thomas P, Allentoft, Morten E, Bill, Jan, Sindbæk, Søren M, Hedeager, Lotte, Kristiansen, Kristian, Nielsen, Rasmus, Werge, Thomas, and Willerslev, Eske
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Biological Sciences ,Genetics ,History ,Heritage and Archaeology ,Archaeology ,Historical Studies ,Human Genome ,Underpinning research ,1.1 Normal biological development and functioning ,Alleles ,Datasets as Topic ,England ,Evolution ,Molecular ,Gene Flow ,Genetics ,Population ,Genome ,Human ,Genomics ,Greenland ,History ,Medieval ,Human Migration ,Humans ,Immunity ,Ireland ,Lactase ,Male ,Scandinavian and Nordic Countries ,Selection ,Genetic ,Spatio-Temporal Analysis ,Young Adult ,General Science & Technology - Abstract
The maritime expansion of Scandinavian populations during the Viking Age (about AD 750-1050) was a far-flung transformation in world history1,2. Here we sequenced the genomes of 442 humans from archaeological sites across Europe and Greenland (to a median depth of about 1×) to understand the global influence of this expansion. We find the Viking period involved gene flow into Scandinavia from the south and east. We observe genetic structure within Scandinavia, with diversity hotspots in the south and restricted gene flow within Scandinavia. We find evidence for a major influx of Danish ancestry into England; a Swedish influx into the Baltic; and Norwegian influx into Ireland, Iceland and Greenland. Additionally, we see substantial ancestry from elsewhere in Europe entering Scandinavia during the Viking Age. Our ancient DNA analysis also revealed that a Viking expedition included close family members. By comparing with modern populations, we find that pigmentation-associated loci have undergone strong population differentiation during the past millennium, and trace positively selected loci-including the lactase-persistence allele of LCT and alleles of ANKA that are associated with the immune response-in detail. We conclude that the Viking diaspora was characterized by substantial transregional engagement: distinct populations influenced the genomic makeup of different regions of Europe, and Scandinavia experienced increased contact with the rest of the continent.
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- 2020
7. The Association Between the Clinical Frailty Scale and Adverse Health Outcomes in Older Adults in Acute Clinical Settings – A Systematic Review of the Literature
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Falk Erhag H, Guðnadóttir G, Alfredsson J, Cederholm T, Ekerstad N, Religa D, Nellgård B, and Wilhelmson K
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clinical frailty scale ,risk stratification ,acute clinical settings ,literature review ,Geriatrics ,RC952-954.6 - Abstract
Hanna Falk Erhag,1– 3 Gudny Guðnadóttir,3 Joakim Alfredsson,4 Tommy Cederholm,5,6 Niklas Ekerstad,7,8 Dorota Religa,9,10 Bengt Nellgård,11 Katarina Wilhelmson2,3,12 1Neuropsychiatric Epidemiology Unit, Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden; 2Centre for Ageing and Health (Agecap), University of Gothenburg, Gothenburg, Sweden; 3Region Västra Götaland, Sahlgrenska University Hospital, Department of Acute Medicine and Geriatrics, Gothenburg, Sweden; 4Department of Cardiology, and Department of Health, Medicine and Caring Sciences, Unit of Cardiovascular Sciences, Linköping University, Linköping, Sweden; 5Clinical Nutrition and Metabolism Department of Public Health and Caring Sciences, Uppsala University, Uppsala, Sweden; 6Theme Inflammation and Aging, Karolinska University Hospital, Stockholm, Sweden; 7Department of Health, Medicine, and Caring Sciences, Unit of Health Care Analysis, Linköping University, Linköping, Sweden; 8The Research and Development Unit, NU Hospital Group, Trollhättan, Sweden; 9Department of Neurobiology, Care Sciences, and Society, Clinical Geriatrics, Karolinska Institute, Stockholm, Sweden; 10Division for Clinical Geriatrics, Karolinska University Hospital, Stockholm, Sweden; 11Department of Anesthesiology and Intensive Care, Institute of Clinical Studies, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden; 12Department of Health and Rehabilitation, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, SwedenCorrespondence: Hanna Falk Erhag, Neuropsychiatric Epidemiology Unit, Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, Sahlgrenska Academy at the University of Gothenburg, Wallinsgatan 6, Gothenburg, SE 431 41, Sweden, Tel +46 760 476888, Fax +46 31 786 60 77, Email hanna.falk@gu.seBackground: Frail older adults experience higher rates of adverse health outcomes. Therefore, assessing pre-hospital frailty early in the course of care is essential to identify the most vulnerable patients and determine their risk of deterioration. The Clinical Frailty Scale (CFS) is a frailty assessment tool that evaluates pre-hospital mobility, energy, physical activity, and function to generate a score that ranges from very fit to terminally ill.Purpose: To synthesize the evidence of the association between the CFS degree and all-cause mortality, all-cause readmission, length of hospital stay, adverse discharge destination, and functional decline in patients > 65 years in acute clinical settings.Design: Systematic review with narrative synthesis.Methods: Electronic databases (PubMed, EMBASE, CINAHL, Scopus) were searched for prospective or retrospective studies reporting a relationship between pre-hospital frailty according to the CFS and the outcomes of interest from database inception to April 2020.Results: Our search yielded 756 articles, of which 29 studies were included in this review (15 were at moderate risk and 14 at low risk of bias). The included studies represented 26 cohorts from 25 countries (N = 44166) published between 2011 and 2020. All included studies showed that pre-hospital frailty according to the CFS is an independent predictor of all adverse health outcomes included in the review.Conclusion: A primary purpose of the CFS is to grade clinically increased risk (i.e. risk stratification). Our results report the accumulated knowledge on the risk-predictive performance of the CFS and highlight the importance of routinely including frailty assessments, such as the CFS, to estimate biological age, improve risk assessments, and assist clinical decision-making in older adults in acute care. Further research into the potential of the CFS and whether implementing the CFS in routine practice will improve care and patients’ quality of life is warranted.Keywords: clinical frailty scale, risk stratification, acute clinical settings, literature review
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- 2023
8. The Capability Approach in Research on Ageing Well at Home for Frail Older People
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Dahlin-Ivanoff, Synneve, Lood, Qarin, Wilhelmson, Katarina, Eklund, Kajsa, Barenfeld, Emmelie, Häggblom-Kronlöf, Greta, Westgård, Theresa, Andersson Hammar, Isabelle, Powell, Jason L., Series Editor, Chen, Sheying, Series Editor, Falk Erhag, Hanna, editor, Lagerlöf Nilsson, Ulrika, editor, Rydberg Sterner, Therese, editor, and Skoog, Ingmar, editor
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- 2022
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9. Comprehensive geriatric assessment is associated with increased antidepressant treatment in frail older people with unplanned hospital admissions—results from the randomised controlled study CGA-Swed
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Theresa Westgård, Isabelle Andersson Hammar, Katarina Wilhelmson, and Margda Waern
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Mental health ,Depressive symptoms ,Montgomery-Åsberg Depression Rating Scale ,Frail older people ,Geriatrics ,RC952-954.6 - Abstract
Abstract Background Frail older people are at higher risk of further deterioration if their needs are not acknowledged when they are acutely ill and admitted to hospital. Mental health comprises one area of needs assessment. Aims The aims of this study were threefold: to investigate the prevalence of depression in frail hospital patients, to identify factors associated with depression, and to compare depression management in patients receiving and not receiving Comprehensive Geriatric Assessment (CGA). Methods This secondary analysis from the CGA-Swed randomized control trial included 155 frail older people aged 75 years and above. Instruments included Montgomery Åsberg Depression Rating Scale (MADRS), the ICE Capability measure for older people (ICECAP-O) and the Fugl-Meyer Life Satisfaction scale (Fugl-Meyer Lisat). Depression was broadly defined as MADRS score ≥ 7. Regression models were used to identify variables associated with depression and to compare groups with and without the CGA intervention. Results The prevalence of a MADRS score indicating depression at baseline was 60.7%. The inability to do things that make one feel valued (ICECAP-O) was associated with a fourfold increase in depression (OR 4.37, CI 1.50–12.75, p = 0.007). There was a two-fold increase in odds of receiving antidepressant medication in the CGA intervention group (OR 2.33, CI 1.15–4.71, p = 0.019) compared to patients in the control group who received regular medical care. Conclusion Symptoms of depression were common among frail older people with unplanned hospital admission. Being unable to do things that make one feel valued was associated with depression. People who received CGA intervention had higher odds of receiving antidepressant treatment, suggesting that CGA improves recognition of mental health needs during unplanned hospital admissions in frail older people. Trial registration ClinicalTrials.gov, NCT02773914. Retrospectively registered 16 May 2016.
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- 2022
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10. Deficiency of mature B cells does not alter the atherogenic response to castration in male mice
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Anna S. Wilhelmson, Inger Johansson, Linda Fogelstrand, Johan Bourghardt Fagman, Jean-Francois Arnal, Mikael C. I. Karlsson, and Åsa Tivesten
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Medicine ,Science - Abstract
Abstract Testosterone deficiency in men is associated with increased atherosclerosis burden and increased cardiovascular risk. In male mice, testosterone deficiency induced by castration increases atherosclerosis as well as mature B cell numbers in spleen. As B cells are potentially pro-atherogenic, we hypothesized that there may be a link between these effects. To address whether mature B cell deficiency alter the atherogenic response to castration, we studied B cell-deficient μMT and genotype control male mice on an atherosclerosis-prone Apoe −/− background that were castrated or sham-operated pre-pubertally and fed a high-fat diet between 8 and 16 weeks of age to accelerate atherosclerosis development. Genotype did not affect the effects of castration on body weight or weights of fat depots and there were no differences in serum cholesterol levels across the four groups. Atherosclerosis assessed by quantification of lesion area in serial sections of the aortic root was significantly increased by castration and by the μMT mutation, with no significant interaction between genotype and surgery. In conclusion, castration evokes a similar atherogenic response in B cell-deficient μMT and control mice. These data suggest that atherogenesis following castration is unrelated to the effects of androgens on mature B cell numbers.
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- 2022
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11. Changing Organizational Conditions: Experiences of Introducing and Putting Function-Shared Leadership (FSL) into Practice in Schools and Pre-Schools
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Döös, Marianne and Wilhelmson, Lena
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This paper deals with organizational change and contributes knowledge about the experiences of a local educational organizer when introducing and putting managerial shared leadership into practice in some schools and pre-schools. The organizer's aim with the change was to achieve better results by means of improved pedagogical leadership, better health and use of resources. The study builds on recorded meetings and interviews with the organizer's top management group in a Swedish municipality that introduced managerial shared leadership in the specific form of function-shared leadership. Valuable knowledge is now available for future organizers' quest for knowledge when introducing managerial shared leadership.
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- 2021
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12. Deficiency of mature B cells does not alter the atherogenic response to castration in male mice
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Wilhelmson, Anna S., Johansson, Inger, Fogelstrand, Linda, Fagman, Johan Bourghardt, Arnal, Jean-Francois, Karlsson, Mikael C. I., and Tivesten, Åsa
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- 2022
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13. Comprehensive geriatric assessment is associated with increased antidepressant treatment in frail older people with unplanned hospital admissions—results from the randomised controlled study CGA-Swed
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Westgård, Theresa, Hammar, Isabelle Andersson, Wilhelmson, Katarina, and Waern, Margda
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- 2022
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14. Positive effects on activities of daily living one year after receiving comprehensive geriatric assessment – results from the randomised controlled study CGA-Swed
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Wilhelmson, Katarina, Andersson Hammar, Isabelle, Westgård, Theresa, Holmquist Henrikson, Lena, and Dahlin-Ivanoff, Synneve
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- 2022
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15. Positive effects on activities of daily living one year after receiving comprehensive geriatric assessment – results from the randomised controlled study CGA-Swed
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Katarina Wilhelmson, Isabelle Andersson Hammar, Theresa Westgård, Lena Holmquist Henrikson, and Synneve Dahlin-Ivanoff
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Frailty ,Intervention ,Hospital care ,Activities of daily living ,Comprehensive geriatric assessment ,Geriatrics ,RC952-954.6 - Abstract
Abstract Background Today’s acute hospital care is poorly adapted to the complex needs of frail older people. This exposes them to avoidable risks, such as loss of functional capacities, leading to unnecessary health and social care needs. Being frail and in need of acute hospital care often leads to higher dependence in Activities of Daily Living (ADL), especially if one’s needs are not acknowledged. Comprehensive Geriatric Assessment (CGA) is one way to meet frail older people’s complex needs. The study’s aim was to investigate the effects on frail older people’s ADL 12 months after receiving CGA. Methods This is a two-armed randomised controlled intervention study. Participants were frail older people (75+) who sought the emergency department and needed admission to a medical ward. The intervention was CGA performed at a geriatric management unit during the hospital stay. The CGA included comprehensive assessment of medical, functional, psychological, social, and environmental status as well as treatment, rehabilitation, discharge planning, and follow-up. Multidisciplinary teamwork and a person-centred approach were used. The control was care at an ordinary medical hospital ward. The primary outcome was change in dependence in ADL from 2 weeks before admission to the 12-month follow-up. Results At admission, 155 people participated (77 in the control, 78 in the intervention). At the 12-month follow-up, 78 participated (40 in the control, 38 in the intervention). Attrition was mainly due to mortality. Four participants in the control (5.2%) and twelve in the intervention group (15.4%) had improved in their ADL 1 year after discharge (OR = 3.32; 95% CI = 1.02–10.79). Conclusions In-hospital CGA performed at a geriatric management unit improves frail older people’s ADL. Being less dependent in ADL increases frail older people’s ability to remain in their own housing, which is important for both the individual and society. Trial registration ClinicalTrials.gov, NCT02773914 . Retrospectively registered 16 May 2016.
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- 2022
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16. Steppe Ancestry in western Eurasia and the spread of the Germanic Languages
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McColl, Hugh, primary, Kroonen, Guus, additional, Moreno-Mayar, J. Víctor, additional, Valeur Seersholm, Frederik, additional, Scorrano, Gabriele, additional, Pinotti, Thomaz, additional, Vimala, Tharsika, additional, Sindbæk, Søren M., additional, Ethelberg, Per, additional, Fyfe, Ralph, additional, Gaillard, Marie-José, additional, Larsen, Hanne M. Ellegård, additional, Mortensen, Morten Fischer, additional, Demeter, Fabrice, additional, Jørkov, Marie Louise S., additional, Bergerbrant, Sophie, additional, Damgaard, Peter de Barros, additional, Allentoft, Morten E., additional, Vinner, Lasse, additional, Gaunitz, Charleen, additional, Ramsøe, Abigail, additional, Altinkaya, Isin, additional, Amund Henriksen, Rasmus, additional, Irving-Pease, Evan K., additional, Sabatini, Serena, additional, Fischer, Anders, additional, Barrie, William, additional, Ingason, Andrés, additional, Rosengren, Anders, additional, Vaughn, Andrew, additional, Cao, Jialu, additional, Staring, Jacqueline, additional, Stenderup, Jesper, additional, Yediay, Fulya Eylem, additional, Ahlström, Torbjörn, additional, Albris, Sofie Laurine, additional, Atabiev, Biyaslan, additional, Bangsgaard, Pernille, additional, Belcastro, Maria Giovanna, additional, Card, Nick, additional, Charlier, Philippe, additional, Chernykh, Elizaveta, additional, Christiansen, Torben Trier, additional, Coppa, Alfredo, additional, De Coster, Maura, additional, Denham, Sean Dexter, additional, Desenne, Sophie, additional, Downes, Jane, additional, Frei, Karin Margarita, additional, Gábor, Olivér, additional, Gårdsvoll, Johan Zakarias, additional, Glørstad, Zanette Tsigaridas, additional, Hansen, Jesper, additional, Heeren, Stijn, additional, Henriksen, Merete, additional, Heyd, Volker, additional, Høj, Mette, additional, Holst, Mads Kähler, additional, Jankauskas, Rimantas, additional, Janson, Henrik, additional, Jessen, Mads Dengsø, additional, Johannsen, Jens Winther, additional, Johansen, Torkel, additional, Kastholm, Ole Thirup, additional, Kern, Anton, additional, Khaskhanov, Ruslan, additional, Kjær, Katrine, additional, Kolosov, Vladimir, additional, Kootker, Lisette M., additional, Larsen, Anne Christine, additional, Lejars, Thierry, additional, Løvschal, Mette, additional, Lynnerup, Niels, additional, Magnusson, Yvonne, additional, Mannermaa, Kristiina, additional, Masyakin, Vyacheslav, additional, Melheim, Anne Lene, additional, Merkyte, Inga, additional, Moiseyev, Vyacheslav, additional, Møller, Stig Bergmann, additional, Molnár, Erika, additional, Mortensen, Nadja, additional, Murphy, Eileen, additional, Nielsen, Bjarne Henning, additional, Pany-Kucera, Doris, additional, Paulsson, Bettina Schulz, additional, Ponce de León, Marcia S, additional, Reiersen, Håkon, additional, Reinhard, Walter, additional, Sajantila, Antti, additional, Skar, Birgitte, additional, Slavchev, Vladimir, additional, Smrčka, Václav, additional, Sørensen, Lasse, additional, Tiefengraber, Georg, additional, Uldum, Otto Christian, additional, Vega, Jorge, additional, Vitali, Daniele, additional, Voloshinov, Alexey, additional, Wåhlin, Sidsel, additional, Wendling, Holger, additional, Wessman, Anna, additional, Wilhelmson, Helene, additional, Wiltschke, Karin, additional, Zilhao, João, additional, Zollikofer, Christoph PE, additional, Sand Korneliussen, Thorfinn, additional, Chaume, Bruno, additional, Demoule, Jean-Paul, additional, Werge, Thomas, additional, Olsen, Line, additional, Nielsen, Rasmus, additional, Hedeager, Lotte, additional, Kristiansen, Kristian, additional, Sikora, Martin, additional, and Willerslev, Eske, additional
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- 2024
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17. A review of empirical studies of co-principalship : antecedents, constellation-level outcomes and the issue of trust
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Döös, Marianne, Wilhelmson, Lena, Döös, Marianne, and Wilhelmson, Lena
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This literature review focuses on managerial shared leadership inthe education sector, commonly conceptualized as co-principalship.School principals’ difficult work situation, in combination withschool leadership being significant for students’ learning, call fororganizational solutions where co-principalship can be a part. Thisreview aims to deepen knowledge about co-principalship by focusingon its antecedents and constellation-level outcomes, and theirrelationship to trust in co-principalship. A secondary aim is todiscuss the role of trust theory in empirical co-principalship studies.The promotion of antecedent conditions was found significant forthe success of co-principalship. Three types of antecedent wereidentified: organization-level antecedents, antecedents in relationto staff and others, and constellation-level antecedents. A numberof advantages were reported for the sharing principals themselves,including reduced workload and improved work-life balance. Theconstellation level is where the principals in their interaction continuouslybuild trust, and where either trust or distrust are produced.A variety of both positive and negative outcomes werereported. The empirical literature reviewed was shallow in termsof understanding trust beyond that it is critical for success in coprincipalship.Theory-based studies are suggested as a way todeepen understanding of trust content and development withregards to co-principalship., Delat ledarskap
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- 2024
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18. Comparative Analysis of Neuron Synthesis and Random Manipulations for Morphology Reconstruction : Evaluating NeuroTS and Treem for Generating Neuron Population
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Wilhelmson, Aya, Österman, Victor, Wilhelmson, Aya, and Österman, Victor
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Neuron morphology refers to the structure of neurons, which resemble tree structures with branching dendrites. Neuron morphology reconstruction influence a single neuron’s functionality and the connectivity between neurons. However, acquisition of neuron morphology reconstructions is time consuming and tedious, hence the availability of neuron reconstructions is limited. Consequently, methods and models that generate neuron morphologies have been created. Two of these methods proposed is Treem [1] and NeuroTS [2]. Treem generate new neuron morphologies by using random manipulation of original reconstructions. NeuroTS uses computational synthesis to synthesize reconstructions. This study aimed to see how the newer method NeuroTS performed compared to Treem. Both methods were tested with the same input and ground truth. The results showed that both methods showed similar accuracy in the generated cells, but performed differently for the two kinds of dendrites. The results of different sized input showed that NeuroTS performed better with a larger input size, whilst Treem’s performance was not significantly affected by input size., Neurala morfologier refererar till strukturen av en hjärncell, vilket kan liknas med en trädstruktur med dendriter som grenar. Neurala morfologi rekonstruktioner påverkar en neurons funktionalitet samt konnektivitet mellan neuroner. Som följd av att utvining av neurala morfologier är tidskrävande och omständigt finns det en begränsad tillgång av rekonstruktioner. Konsekvent har det skapats metoder och modeller som genererar neurala morfologier, två metoder som utför detta är Treem [1] respektive NeuroTS [2]. Treem genererar nya neurala morfologier genom att slumpmässigt manipulera biologiska rekonstruktioner. NeuroTS använder bräkningssyntes för att syntetisera rekonstruktioner. Målet med denna studie var att undersöka hur den nyare metoden, NeuroTS, presterade i jämförelse med Treem. Båda metoderna tränades på samma träningsdata och jämfördes därefter mot samma testdatamängd. Resultatet visade att båda metoderna hade en liknande precision i att generera neurala morfologier, men en viss skillnad i prestanda kunde ses for de två olika typer av dendriter. Resultatet för olika storlekar på träningsdatan visade att NeuroTS presterade bättre vid en större datamängd, medan ingen större påverkan kunde ses på Treems prestanda.
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- 2024
19. Shared Principalship: The Perspective of Close Subordinate Colleagues
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Döös, Marianne, Wilhelmson, Lena, Madestam, Jenny, and Örnberg, Åsa
- Abstract
This article presents a study of five schools with shared principalship. It contributes knowledge about how shared principalship is experienced by people who work closely ("close subordinates") with the shared principalship constellations. Data consists of 20 semi-structured interviews. Close subordinates describe that the shared principalship meant a reasonable workload for their principals and welcomed their level of accessibility. Confidence in the leader collaboration was heightened if close subordinates were able to witness that collaboration in action with their own eyes. The findings are discussed in relation to the conditions introduced by current school legislation in Sweden.
- Published
- 2019
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20. Imaging small molecule-induced endosomal escape of siRNA
- Author
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Hampus Du Rietz, Hampus Hedlund, Sten Wilhelmson, Pontus Nordenfelt, and Anders Wittrup
- Subjects
Science - Abstract
Therapeutic siRNA becomes trapped in endosomes, limiting its efficacy. Here the authors use fluorescently-tagged galectin-9 as a biosensor for membrane damage to monitor endosomal escape of cholesterol-conjugated siRNA following treatment of small molecule membrane-destabilising drugs.
- Published
- 2020
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21. S119: CEBPA AND TET2 MUTATIONS COOPERATE TO INDUCE AGGRESSIVE AML VIA GATA-2 DOWNREGULATION
- Author
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E. Heyes, A. S. Wilhelmson, A. Wenzel, M. B. Schuster, M. Ali, T. D’Altri, T. Eder, G. Manhart, E. Rzepa, L. Schmidt, M. Meggendorfer, T. Haferlach, G. Volpe, C. Nerlov, J. Frampton, K. Jae Won, F. Grebien, and B. Porse
- Subjects
Diseases of the blood and blood-forming organs ,RC633-647.5 - Published
- 2022
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- View/download PDF
22. Inverted CD8 T-Cell Exhaustion and Co-Stimulation Marker Balance Differentiate Aviremic HIV-2-Infected From Seronegative Individuals
- Author
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Lydia Scharf, Christina B. Pedersen, Emil Johansson, Jacob Lindman, Lars R. Olsen, Marcus Buggert, Sten Wilhelmson, Fredrik Månsson, Joakim Esbjörnsson, Antonio Biague, Patrik Medstrand, Hans Norrgren, Annika C. Karlsson, Marianne Jansson, and the SWEGUB CORE Group
- Subjects
HIV-2 ,aviremic ,CD8 T cell phenotypes ,immune activation ,T cell exhaustion ,costimulation ,Immunologic diseases. Allergy ,RC581-607 - Abstract
HIV-2 is less pathogenic compared to HIV-1. Still, disease progression may develop in aviremic HIV-2 infection, but the driving forces and mechanisms behind such development are unclear. Here, we aimed to reveal the immunophenotypic pattern associated with CD8 T-cell pathology in HIV-2 infection, in relation to viremia and markers of disease progression. The relationships between pathological differences of the CD8 T-cell memory population and viremia were analyzed in blood samples obtained from an occupational cohort in Guinea-Bissau, including HIV-2 viremic and aviremic individuals. For comparison, samples from HIV-1- or dually HIV-1/2-infected and seronegative individuals were obtained from the same cohort. CD8 T-cell exhaustion was evaluated by the combined expression patterns of activation, stimulatory and inhibitory immune checkpoint markers analyzed using multicolor flow cytometry and advanced bioinformatics. Unsupervised multidimensional clustering analysis identified a cluster of late differentiated CD8 T-cells expressing activation (CD38+, HLA-DRint/high), co-stimulatory (CD226+/-), and immune inhibitory (2B4+, PD-1high, TIGIThigh) markers that distinguished aviremic from viremic HIV-2, and treated from untreated HIV-1-infected individuals. This CD8 T-cell population displayed close correlations to CD4%, viremia, and plasma levels of IP-10, sCD14 and beta-2 microglobulin in HIV-2 infection. Detailed analysis revealed that aviremic HIV-2-infected individuals had higher frequencies of exhausted TIGIT+ CD8 T-cell populations lacking CD226, while reduced percentage of stimulation-receptive TIGIT-CD226+ CD8 T-cells, compared to seronegative individuals. Our results suggest that HIV-2 infection, independent of viremia, skews CD8 T-cells towards exhaustion and reduced co-stimulation readiness. Further knowledge on CD8 T-cell phenotypes might provide help in therapy monitoring and identification of immunotherapy targets.
- Published
- 2021
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- View/download PDF
23. The Shared Principalship: Invitation at the Top
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Döös, Marianne, Wilhelmson, Lena, Madestam, Jenny, and Örnberg, Åsa
- Abstract
A school principal's workload is recognised as being heavy, with an imbalance between demands and resources. This paper contributes to the development of collective leadership. The principalship constellations of six schools in Sweden were studied with the aim of strengthening the current knowledge about structures and experiences of shared principalship. The empirical basis is qualitative data from interviews with principals and vice-principals. The analytical focus was on how the sharing structures were organised and how the shared principalship was experienced. The results point to a considerable variation in the organisational structures of shared principalship. Despite the type of model, form and constellation, the principals and vice-principals voiced a striking sense of relief in not feeling alone in their duties, as problems and troubles became manageable. An intensified interaction level in the principalship constellation created opportunities to develop competence. Theoretically, this study broadens the invited leadership concept to include horizontal invitations across unit boundaries between principals in different units within the same school. The knowledge contribution of this study is useful in discussing the legal possibilities for shared principalship, which may be especially relevant in times when the Swedish school system is being criticised for not delivering good student outcomes.
- Published
- 2018
- Full Text
- View/download PDF
24. Long-term follow-up of HIV-2-related AIDS and mortality in Guinea-Bissau: a prospective open cohort study
- Author
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N'Buna, Babetida, Biague, Antonio J., Biai, Ansu, Camara, Cidia, Esbjörnsson, Joakim, Jansson, Marianne, Karlson, Sara, Lindman, Jacob, Medstrand, Patrik, Månsson, Fredrik, Norrgren, Hans, Palm, Angelica A., Özkaya Sahin, Gülsen, da Silva, Zacarias José, Wilhelmson, Sten, Kvist, Anders, da Silva, Zacarias J, Andersson, Sören, Fenyö, Eva Maria, Isberg, Per-Erik, Biague, Antonio J, Palm, Angelica A, and Rowland-Jones, Sarah L
- Published
- 2019
- Full Text
- View/download PDF
25. Patient perceptions of chlorhexidine bathing: A pilot study using the health belief model
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Caya, Teresa, Knobloch, Mary Jo, Musuuza, Jackson, Wilhelmson, Emily, and Safdar, Nasia
- Published
- 2019
- Full Text
- View/download PDF
26. MEMS practice, from the lab to the telescope
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Morzinski, Katie M., Norton, Andrew P., Evans, Julia Wilhelmson, Reza, Layra, Severson, Scott A., Dillon, Daren, Reinig, Marc, Gavel, Donald T., Cornelissen, Steven, Macintosh, Bruce A., and Max, Claire E.
- Subjects
Astrophysics - Instrumentation and Methods for Astrophysics - Abstract
Micro-electro-mechanical systems (MEMS) technology can provide for deformable mirrors (DMs) with excellent performance within a favorable economy of scale. Large MEMS-based astronomical adaptive optics (AO) systems such as the Gemini Planet Imager are coming on-line soon. As MEMS DM end-users, we discuss our decade of practice with the micromirrors, from inspecting and characterizing devices to evaluating their performance in the lab. We also show MEMS wavefront correction on-sky with the "Villages" AO system on a 1-m telescope, including open-loop control and visible-light imaging. Our work demonstrates the maturity of MEMS technology for astronomical adaptive optics., Comment: 14 pages, 15 figures, Invited Paper, SPIE Photonics West 2012
- Published
- 2012
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27. Bone Mineral Density In Weight Bearing And Non-weight Bearing Exercise Paired With Resistance Training
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Familia Castro, Sarah D., primary, Michael, Timothy, additional, Campbell, Nicholas, additional, Wilhelmson, Ty, additional, Cardona, Matthew, additional, Norman, Brittany, additional, Whitehead, Connor, additional, and Visich, Paul, additional
- Published
- 2023
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28. The Physiological And Subjective Effects Of Exercising With A Face Mask At Different Intensities
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Campbell, Nicholas, primary, Dekker, Ellie, additional, Stroshine, Karli, additional, LaBotz, Michele, additional, Wilhelmson, Ty, additional, Cardona, Matthew, additional, Norman, Brittany, additional, Whitehead, Connor, additional, and Visich, Paul, additional
- Published
- 2023
- Full Text
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29. Healthcare visits for mental disorders and use of psychotropic medications before and after self-harm in a cohort aged 75+
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Khedidja Hedna, Mattias Jonson, Robert Sigström, Maria Åberg, Katarina Wilhelmson, and Margda Waern
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Psychiatry and Mental health ,Geriatrics and Gerontology ,Pshychiatric Mental Health ,Gerontology - Published
- 2023
30. The Association Between the Clinical Frailty Scale and Adverse Health Outcomes in Older Adults in Acute Clinical Settings – A Systematic Review of the Literature
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Hanna Falk Erhag, Gudny Guðnadóttir, Joakim Alfredsson, Tommy Cederholm, Niklas Ekerstad, Dorota Religa, Bengt Nellgård, and Katarina Wilhelmson
- Subjects
clinical frailty scale ,risk stratification ,acute clinical settings ,literature review ,Geriatrics ,Geriatrik ,General Medicine ,Geriatrics and Gerontology - Abstract
Background: Frail older adults experience higher rates of adverse health outcomes. Therefore, assessing pre-hospital frailty early in the course of care is essential to identify the most vulnerable patients and determine their risk of deterioration. The Clinical Frailty Scale (CFS) is a frailty assessment tool that evaluates pre-hospital mobility, energy, physical activity, and function to generate a score that ranges from very fit to terminally ill.Purpose: To synthesize the evidence of the association between the CFS degree and all-cause mortality, all-cause readmission, length of hospital stay, adverse discharge destination, and functional decline in patients >65 years in acute clinical settings. Design: Systematic review with narrative synthesis.Methods: Electronic databases (PubMed, EMBASE, CINAHL, Scopus) were searched for prospective or retrospective studies reporting a relationship between pre-hospital frailty according to the CFS and the outcomes of interest from database inception to April 2020. Results: Our search yielded 756 articles, of which 29 studies were included in this review (15 were at moderate risk and 14 at low risk of bias). The included studies represented 26 cohorts from 25 countries (N = 44166) published between 2011 and 2020. All included studies showed that pre-hospital frailty according to the CFS is an independent predictor of all adverse health outcomes included in the review.Conclusion: A primary purpose of the CFS is to grade clinically increased risk (i.e. risk stratification). Our results report the accumulated knowledge on the risk-predictive performance of the CFS and highlight the importance of routinely including frailty assessments, such as the CFS, to estimate biological age, improve risk assessments, and assist clinical decision-making in older adults in acute care. Further research into the potential of the CFS and whether implementing the CFS in routine practice will improve care and patients quality of life is warranted. Funding Agencies|Boehringer Ingelheim; MSD; Astra Zeneca
- Published
- 2023
31. Androgen Receptors in Epithelial Cells Regulate Thymopoiesis and Recent Thymic Emigrants in Male Mice
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Anna S. Wilhelmson, Marta Lantero Rodriguez, Inger Johansson, Elin Svedlund Eriksson, Alexandra Stubelius, Susanne Lindgren, Johan Bourghardt Fagman, Pamela J. Fink, Hans Carlsten, Olov Ekwall, and Åsa Tivesten
- Subjects
androgens ,T cells ,thymus ,thymic epithelial cells ,mice ,Immunologic diseases. Allergy ,RC581-607 - Abstract
Androgens have profound effects on T cell homeostasis, including regulation of thymic T lymphopoiesis (thymopoiesis) and production of recent thymic emigrants (RTEs), i. e., immature T cells that derive from the thymus and continue their maturation to mature naïve T cells in secondary lymphoid organs. Here we investigated the androgen target cell for effects on thymopoiesis and RTEs in spleen and lymph nodes. Male mice with a general androgen receptor knockout (G-ARKO), T cell-specific (T-ARKO), or epithelial cell-specific (E-ARKO) knockout were examined. G-ARKO mice showed increased thymus weight and increased numbers of thymic T cell progenitors. These effects were not T cell-intrinsic, since T-ARKO mice displayed unaltered thymus weight and thymopoiesis. In line with a role for thymic epithelial cells (TECs), E-ARKO mice showed increased thymus weight and numbers of thymic T cell progenitors. Further, E-ARKO mice had more CD4+ and CD8+ T cells in spleen and an increased frequency of RTEs among T cells in spleen and lymph nodes. Depletion of the androgen receptor in epithelial cells was also associated with a small shift in the relative number of cortical (reduced) and medullary (increased) TECs and increased CCL25 staining in the thymic medulla, similar to previous observations in castrated mice. In conclusion, we demonstrate that the thymic epithelium is a target compartment for androgen-mediated regulation of thymopoiesis and consequently the generation of RTEs.
- Published
- 2020
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- View/download PDF
32. The ASXL1-G643W variant accelerates the development of CEBPA mutant acute myeloid leukemia
- Author
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Teresa D'Altri, Anna S. Wilhelmson, Mikkel B. Schuster, Anne Wenzel, Adrija Kalvisa, Sachin Pundhir, Anne Meldgaard Hansen, and Bo T. Porse
- Subjects
Diseases of the blood and blood-forming organs ,RC633-647.5 - Abstract
ASXL1 is one of the most commonly mutated genes in myeloid malignancies, including Myelodysplastic Syndrome (MDS) and Acute Myeloid Leukemia (AML). In order to further our understanding of the role of ASXL1 lesions in malignant hematopoiesis, we generated a novel knock-in mouse model carrying the most frequent ASXL1 mutation identified in MDS patients, p.G643WfsX12. Mutant mice did not display any major hematopoietic defects nor developed any apparent hematological disease. In AML patients, ASXL1 mutations co-occur with mutations in CEBPA and we therefore generated compound Cebpa and Asxl1 mutated mice. Using a transplantation model, we found that the mutated Asxl1 allele significantly accelerated disease development in a CEBPA mutant context. Importantly, we demonstrated that, similar to the human setting, Asxl1 mutated mice responded poorly to chemotherapy. This model therefore constitutes an excellent experimental system for further studies into the clinically important question of chemotherapy resistance mediated by mutant ASXL1.
- Published
- 2020
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- View/download PDF
33. Differences in Cell Cycle Status Underlie Transcriptional Heterogeneity in the HSC Compartment
- Author
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Felicia Kathrine Bratt Lauridsen, Tanja Lyholm Jensen, Nicolas Rapin, Derya Aslan, Anna Sofia Wilhelmson, Sachin Pundhir, Matilda Rehn, Franziska Paul, Amir Giladi, Marie Sigurd Hasemann, Palle Serup, Ido Amit, and Bo Torben Porse
- Subjects
Biology (General) ,QH301-705.5 - Abstract
Summary: Hematopoietic stem cells (HSCs) are considered a heterogeneous cell population. To further resolve the HSC compartment, we characterized a retinoic acid (RA) reporter mouse line. Sub-fractionation of the HSC compartment in RA-CFP reporter mice demonstrated that RA-CFP-dim HSCs were largely non-proliferative and displayed superior engraftment potential in comparison with RA-CFP-bright HSCs. Gene expression analysis demonstrated higher expression of RA-target genes in RA-CFP-dim HSCs, in contrast to the RA-CFP reporter expression, but both RA-CFP-dim and RA-CFP-bright HSCs responded efficiently to RA in vitro. Single-cell RNA sequencing (RNA-seq) of >1,200 HSCs showed that differences in cell cycle activity constituted the main driver of transcriptional heterogeneity in HSCs. Moreover, further analysis of the single-cell RNA-seq data revealed that stochastic low-level expression of distinct lineage-affiliated transcriptional programs is a common feature of HSCs. Collectively, this work demonstrates the utility of the RA-CFP reporter line as a tool for the isolation of superior HSCs. : HSCs are considered a functional heterogeneous population. Lauridsen et al. use scRNA-seq to demonstrate that most transcriptional heterogeneity within the HSC compartment is associated with differences in cell cycle status. They further use an RA-CFP reporter mouse line to isolate slow-cycling HSCs characterized by superior engraftment potential. Keywords: hematopoietic stem cells, single-cell RNA-sequencing, retinoic acid, transcriptional heterogeneity, hematopoiesis
- Published
- 2018
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34. Testosterone is an endogenous regulator of BAFF and splenic B cell number
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Anna S. Wilhelmson, Marta Lantero Rodriguez, Alexandra Stubelius, Per Fogelstrand, Inger Johansson, Matthew B. Buechler, Steve Lianoglou, Varun N. Kapoor, Maria E. Johansson, Johan B. Fagman, Amanda Duhlin, Prabhanshu Tripathi, Alessandro Camponeschi, Bo T. Porse, Antonius G. Rolink, Hans Nissbrandt, Shannon J. Turley, Hans Carlsten, Inga-Lill Mårtensson, Mikael C. I. Karlsson, and Åsa Tivesten
- Subjects
Science - Abstract
Testosterone deficiency is associated with autoimmunity and increased B cell numbers, but the underlying mechanism is unclear. Here the authors show that testosterone may modulate the production of B cell survival factor BAFF by fibroblastic reticular cells via regulation of splenic neurotransmitter levels.
- Published
- 2018
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35. Comprehensive geriatric assessment pilot of a randomized control study in a Swedish acute hospital: a feasibility study
- Author
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Theresa Westgård, Isabelle Ottenvall Hammar, Eva Holmgren, Anna Ehrenberg, Aase Wisten, Anne W. Ekdahl, Synneve Dahlin-Ivanoff, and Katarina Wilhelmson
- Subjects
Geriatric ,Frail older people ,Safety ,Multidisciplinary team ,Occupational therapy ,Discharge plan ,Medicine (General) ,R5-920 - Abstract
Abstract Background Comprehensive geriatric assessment (CGA) represent an important component of geriatric acute hospital care for frail older people, secured by a multidisciplinary team who addresses the multiple needs of physical health, functional ability, psychological state, cognition and social status. The primary objective of the pilot study was to determine feasibility for recruitment and retention rates. Secondary objectives were to establish proof of principle that CGA has the potential to increase patient safety. Methods The CGA pilot took place at a University hospital in Western Sweden, from March to November 2016, with data analyses in March 2017. Participants were frail people aged 75 and older, who required an acute admission to hospital. Participants were recruited and randomized in the emergency room. The intervention group received CGA, a person-centered multidisciplinary team addressing health, participation, and safety. The control group received usual care. The main objective measured the recruitment procedure and retention rates. Secondary objectives were also collected regarding services received on the ward including discharge plan, care plan meeting and hospital risk assessments including risk for falls, nutrition, decubitus ulcers, and activities of daily living status. Result Participants were recruited from the emergency department, over 32 weeks. Thirty participants were approached and 100% (30/30) were included and randomized, and 100% (30/30) met the inclusion criteria. Sixteen participants were included in the intervention and 14 participants were included in the control. At baseline, 100% (16/16) intervention and 100% (14/14) control completed the data collection. A positive propensity towards the secondary objectives for the intervention was also evidenced, as this group received more care assessments. There was an average difference between the intervention and control in occupational therapy assessment − 0.80 [95% CI 1.06, − 0.57], occupational therapy assistive devices − 0.73 [95% CI 1.00, − 0.47], discharge planning −0.21 [95% CI 0.43, 0.00] and care planning meeting 0.36 [95% CI-1.70, −0.02]. Controlling for documented risk assessments, the intervention had for falls − 0.94 [95% CI 1.08, − 0.08], nutrition − 0.87 [95% CI 1.06, − 0.67], decubitus ulcers − 0.94 [95% CI 1.08, − 0.80], and ADL status − 0.80 [95% CI 1.04, − 0.57]. Conclusion The CGA pilot was feasible and proof that the intervention increased safety justifies carrying forward to a large-scale study. Trial registration Clinical Trials ID: NCT02773914. Registered 16 May 2016.
- Published
- 2018
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36. EVOLUTION OF A LONG-TRACK VIOLENT TORNADO WITHIN A SIMULATED SUPERCELL
- Author
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Orf, Leigh, Wilhelmson, Robert, Lee, Bruce, Finley, Catherine, and Houston, Adam
- Published
- 2017
37. Cohort Differences in Obesity-Related Health Indicators among 70-Year Olds with Special Reference to Gender and Education
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Cabrera, Claudia, Wilhelmson, Katarina, Allebeck, Peter, Wedel, Hans, Steen, Bertil, and Lissner, Lauren
- Published
- 2003
38. Migration and integration on the Baltic island of Öland in the Iron Age
- Author
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Wilhelmson, Helene and Price, T. Douglas
- Published
- 2017
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39. Imaging small molecule-induced endosomal escape of siRNA
- Author
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Du Rietz, Hampus, Hedlund, Hampus, Wilhelmson, Sten, Nordenfelt, Pontus, and Wittrup, Anders
- Published
- 2020
- Full Text
- View/download PDF
40. Self-determination: A utopia in frail older people with decreased cognition?
- Author
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Hammar, Isabelle Andersson, primary, Westgård, Theresa, additional, Dahlin-Ivanoff, Synneve, additional, and Wilhelmson, Katarina, additional
- Published
- 2023
- Full Text
- View/download PDF
41. TET2lesions enhance the aggressiveness ofCEBPA-mutant AML by rebalancingGATA2expression
- Author
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Heyes, Elizabeth, primary, Wilhelmson, Anna S., additional, Wenzel, Anne, additional, Manhart, Gabriele, additional, Eder, Thomas, additional, Schuster, Mikkel B., additional, Rzepa, Edwin, additional, Pundhir, Sachin, additional, D’Altri, Teresa, additional, Gentil, Coline, additional, Meggendorfer, Manja, additional, Schwaller, Jürg, additional, Haferlach, Torsten, additional, Grebien, Florian, additional, and Porse, Bo T., additional
- Published
- 2023
- Full Text
- View/download PDF
42. The Association Between the Clinical Frailty Scale and Adverse Health Outcomes in Older Adults in Acute Clinical Settings - A Systematic Review of the Literature
- Author
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Erhag, Hanna Falk, Guonadottir, Gudny, Alfredsson, Joakim, Cederholm, Tommy, Ekerstad, Niklas, Religa, Dorota, Nellgard, Bengt, Wilhelmson, Katarina, Erhag, Hanna Falk, Guonadottir, Gudny, Alfredsson, Joakim, Cederholm, Tommy, Ekerstad, Niklas, Religa, Dorota, Nellgard, Bengt, and Wilhelmson, Katarina
- Abstract
Background: Frail older adults experience higher rates of adverse health outcomes. Therefore, assessing pre-hospital frailty early in the course of care is essential to identify the most vulnerable patients and determine their risk of deterioration. The Clinical Frailty Scale (CFS) is a frailty assessment tool that evaluates pre-hospital mobility, energy, physical activity, and function to generate a score that ranges from very fit to terminally ill.Purpose: To synthesize the evidence of the association between the CFS degree and all-cause mortality, all-cause readmission, length of hospital stay, adverse discharge destination, and functional decline in patients >65 years in acute clinical settings. Design: Systematic review with narrative synthesis.Methods: Electronic databases (PubMed, EMBASE, CINAHL, Scopus) were searched for prospective or retrospective studies reporting a relationship between pre-hospital frailty according to the CFS and the outcomes of interest from database inception to April 2020. Results: Our search yielded 756 articles, of which 29 studies were included in this review (15 were at moderate risk and 14 at low risk of bias). The included studies represented 26 cohorts from 25 countries (N = 44166) published between 2011 and 2020. All included studies showed that pre-hospital frailty according to the CFS is an independent predictor of all adverse health outcomes included in the review.Conclusion: A primary purpose of the CFS is to grade clinically increased risk (i.e. risk stratification). Our results report the accumulated knowledge on the risk-predictive performance of the CFS and highlight the importance of routinely including frailty assessments, such as the CFS, to estimate biological age, improve risk assessments, and assist clinical decision-making in older adults in acute care. Further research into the potential of the CFS and whether implementing the CFS in routine practice will improve care and patients quality of life is war, Funding Agencies|Boehringer Ingelheim; MSD; Astra Zeneca
- Published
- 2023
- Full Text
- View/download PDF
43. The Association Between the Clinical Frailty Scale and Adverse Health Outcomes in Older Adults in Acute Clinical Settings : A Systematic Review of the Literature
- Author
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Falk Erhag, Hanna, Guðnadóttir, Gudny, Alfredsson, Joakim, Cederholm, Tommy, Ekerstad, Niklas, Religa, Dorota, Nellgård, Bengt, Wilhelmson, Katarina, Falk Erhag, Hanna, Guðnadóttir, Gudny, Alfredsson, Joakim, Cederholm, Tommy, Ekerstad, Niklas, Religa, Dorota, Nellgård, Bengt, and Wilhelmson, Katarina
- Abstract
Background: Frail older adults experience higher rates of adverse health outcomes. Therefore, assessing pre-hospital frailty early in the course of care is essential to identify the most vulnerable patients and determine their risk of deterioration. The Clinical Frailty Scale (CFS) is a frailty assessment tool that evaluates pre-hospital mobility, energy, physical activity, and function to generate a score that ranges from very fit to terminally ill. Purpose: To synthesize the evidence of the association between the CFS degree and all-cause mortality, all-cause readmission, length of hospital stay, adverse discharge destination, and functional decline in patients > 65 years in acute clinical settings. Design: Systematic review with narrative synthesis. Methods: Electronic databases (PubMed, EMBASE, CINAHL, Scopus) were searched for prospective or retrospective studies reporting a relationship between pre-hospital frailty according to the CFS and the outcomes of interest from database inception to April 2020. Results: Our search yielded 756 articles, of which 29 studies were included in this review (15 were at moderate risk and 14 at low risk of bias). The included studies represented 26 cohorts from 25 countries (N = 44166) published between 2011 and 2020. All included studies showed that pre-hospital frailty according to the CFS is an independent predictor of all adverse health outcomes included in the review. Conclusion: A primary purpose of the CFS is to grade clinically increased risk (i.e. risk stratification). Our results report the accumulated knowledge on the risk-predictive performance of the CFS and highlight the importance of routinely including frailty assessments, such as the CFS, to estimate biological age, improve risk assessments, and assist clinical decision-making in older adults in acute care. Further research into the potential of the CFS and whether implementing the CFS in routine practice will improve care and patients’ quality of life is wa
- Published
- 2023
- Full Text
- View/download PDF
44. Dialogkompetens för utveckling i arbetsliv och samhälle
- Author
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Wilhelmson, Lena, Döös, Marianne, Wilhelmson, Lena, and Döös, Marianne
- Abstract
Dialogkompetens för utveckling i arbetsliv och samhälle är en introduktion för den som vill använda samtalet och dialogen i organisations- och samhällsutvecklande sammanhang. Att mötas genom att göra olika perspektiv synliga, att samtala om de faktiska arbetsuppgifterna och att hjälpa varandra att sätta in dessa i ett större sammanhang, att få överblick och se sin roll i helheten är exempel på vad dialogiska gruppsamtal kan användas till. Dialog kan användas för att utveckla och förändra olika verksamheter. Boken tar upp begrepp, idéer och tankar om vad det innebär att samtala dialogiskt i grupp. Författarna ger sin syn på hur det går till när människor – individuellt och gemensamt – lär genom erfarenhet och tar upp hur förändring av perspektiv kan ses som en drivkraft för lärande. Boken beskriver vad som menas med dialogkompetens och hur en sådan kan tränas upp. Här finns även praktiska råd för den som vill arrangera dialogiska gruppsamtal. Den nya upplagan innehåller uppdateringar av text och litteraturlista.
- Published
- 2023
45. The Association Between the Clinical Frailty Scale and Adverse Health Outcomes in Older Adults in Acute Clinical Settings – A Systematic Review of the Literature
- Author
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Falk Erhag,Hanna, Guðnadóttir,Gudny, Alfredsson,Joakim, Cederholm,Tommy, Ekerstad,Niklas, Religa,Dorota, Nellgård,Bengt, Wilhelmson,Katarina, Falk Erhag,Hanna, Guðnadóttir,Gudny, Alfredsson,Joakim, Cederholm,Tommy, Ekerstad,Niklas, Religa,Dorota, Nellgård,Bengt, and Wilhelmson,Katarina
- Abstract
Hanna Falk Erhag,1â 3 Gudny Guðnadóttir,3 Joakim Alfredsson,4 Tommy Cederholm,5,6 Niklas Ekerstad,7,8 Dorota Religa,9,10 Bengt NellgÃ¥rd,11 Katarina Wilhelmson2,3,12 1Neuropsychiatric Epidemiology Unit, Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden; 2Centre for Ageing and Health (Agecap), University of Gothenburg, Gothenburg, Sweden; 3Region Västra Götaland, Sahlgrenska University Hospital, Department of Acute Medicine and Geriatrics, Gothenburg, Sweden; 4Department of Cardiology, and Department of Health, Medicine and Caring Sciences, Unit of Cardiovascular Sciences, Linköping University, Linköping, Sweden; 5Clinical Nutrition and Metabolism Department of Public Health and Caring Sciences, Uppsala University, Uppsala, Sweden; 6Theme Inflammation and Aging, Karolinska University Hospital, Stockholm, Sweden; 7Department of Health, Medicine, and Caring Sciences, Unit of Health Care Analysis, Linköping University, Linköping, Sweden; 8The Research and Development Unit, NU Hospital Group, Trollhättan, Sweden; 9Department of Neurobiology, Care Sciences, and Society, Clinical Geriatrics, Karolinska Institute, Stockholm, Sweden; 10Division for Clinical Geriatrics, Karolinska University Hospital, Stockholm, Sweden; 11Department of Anesthesiology and Intensive Care, Institute of Clinical Studies, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden; 12Department of Health and Rehabilitation, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, SwedenCorrespondence: Hanna Falk Erhag, Neuropsychiatric Epidemiology Unit, Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, Sahlgrenska Academy at the University of Gothenburg, Wallinsgatan 6, Gothenburg, SE 431 41, Sweden, Tel +46 760 476888, Fax +46 31 786 60 77, Email hanna.falk@gu.seBackground: Frail older adults e
- Published
- 2023
46. ERG Controls B Cell Development by Promoting Igh V-to-DJ Recombination
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Elisabeth Søndergaard, Alexander Rauch, Magali Michaut, Nicolas Rapin, Matilda Rehn, Anna S. Wilhelmson, Alessandro Camponeschi, Marie S. Hasemann, Frederik O. Bagger, Johan Jendholm, Kasper J. Knudsen, Susanne Mandrup, Inga-Lill Mårtensson, and Bo T. Porse
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Biology (General) ,QH301-705.5 - Abstract
Summary: B cell development depends on the coordinated expression and cooperation of several transcription factors. Here we show that the transcription factor ETS-related gene (ERG) is crucial for normal B cell development and that its deletion results in a substantial loss of bone marrow B cell progenitors and peripheral B cells, as well as a skewing of splenic B cell populations. We find that ERG-deficient B lineage cells exhibit an early developmental block at the pre-B cell stage and proliferate less. The cells fail to express the immunoglobulin heavy chain due to inefficient V-to-DJ recombination, and cells that undergo recombination display a strong bias against incorporation of distal V gene segments. Furthermore, antisense transcription at PAX5-activated intergenic repeat (PAIR) elements, located in the distal region of the Igh locus, depends on ERG. These findings show that ERG serves as a critical regulator of B cell development by ensuring efficient and balanced V-to-DJ recombination. : Søndergaard et al. demonstrate that ERG is a critical transcriptional regulator essential for B cell development. Loss of ERG leads to a marked reduction in V-to-DJ recombination at the Igh locus, precluding B cell progenitors from expressing the pre-B cell receptor, which is required for entering the final stages of B cell development. Keywords: ETS-related gene, ERG, B cell development, V(D)J recombination, pre-BCR, immunoglobulin heavy-chain gene, transcriptional control
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- 2019
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47. Visualization of a simulated long-track EF5 tornado embedded within a supercell thunderstorm
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Orf, Leigh, Wilhelmson, Robert, and Wicker, Louis
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- 2016
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48. Self-determination: A utopia in frail older people with decreased cognition?
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Isabelle Andersson Hammar, Theresa Westgård, Synneve Dahlin-Ivanoff, and Katarina Wilhelmson
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Background Self-determination in old age is essential for people’s experiences of good subjective health and quality of life. The knowledge concerning how frail older people with decreased cognition perceive their ability to be self-determined in the different dimension in daily life is, however, limited. The aim of this study was therefore to explore the relationship of self-determination and cognition in frail older people. Methods This study was a cross-sectional secondary data analysis using baseline data from a larger CGA-Swed randomized control trial with frail people 75≥. In this study, a total of 119 people responded to the self-determination assessment Impact on Participation and Autonomy-Older persons (IPA-O). The data was analysed with the Fisher’s exact test to test differences in proportions of perceived self-determination. Decreased cognition was broadly defined as a score below 25 points on the Mini Mental State Examination (MMSE). The Relative Risk (RR) with a 95% Confidence Interval (CI) was used to explore the risk of perceiving reduced self-determination. Results High degree of self-determination was identified in Financial situation, 94 per cent among participants with intact cognition respectively 92 per cent among those with decreased cognition. Regardless of cognition, approximately a third of the sample perceived low levels of self-determination in Mobility and in Social relationships. For people with decreased cognition, the relative risk for perceiving reduced self-determination was statistically significant higher in activities related to Self-care (item 6, p = 0.044, RR = 2.38), and in Social relationship (item 16, p = 0.041, RR = 3.71) when comparing with the participants with intact cognition. Conclusion Perceiving self-determination when being old, frail and having decreased cognition is possible but is dependent upon which activities that are involved. For increased perceptions of self-determination, healthcare needs should be carried out according to older people’s wants and wishes. Frail older people with decreased cognition should be treated as being experts in their own lives, and healthcare professionals should be enablers in supporting the older people to navigate them in reaching their desired direction. Trial registration: ClinicalTrials.gov, NCT02773914. Retrospectively registered 16 May 2016.
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- 2023
49. TET2lesions enhance the aggressiveness ofCEBPA-mutant AML by rebalancingGATA2expression
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Elizabeth Heyes, Anna S. Wilhelmson, Anne Wenzel, Gabriele Manhart, Thomas Eder, Mikkel B. Schuster, Edwin Rzepa, Sachin Pundhir, Teresa D’Altri, Coline Gentil, Manja Meggendorfer, Jürg Schwaller, Torsten Haferlach, Florian Grebien, and Bo T. Porse
- Abstract
The myeloid transcription factor CEBPA is recurrently biallelically mutated (i.e., double mutated;CEBPADM) in acute myeloid leukemia (AML) with a combination of hypermorphic N-terminal mutations (CEBPANT), promoting expression of the leukemia-associated p30 isoform, and amorphic C-terminal mutations. The most frequently co-mutated genes inCEBPADMAML areGATA2andTET2, however the molecular mechanisms underlying this co-mutational spectrum are incomplete.By combining transcriptomic and epigenomic analyses ofCEBPA-TET2co-mutated patients with models thereof, we identifyGATA2as a conserved target of theCEBPA-TET2mutational axis, providing a rationale for the mutational spectra inCEBPADMAML. Elevated CEBPA levels, driven byCEBPANT, mediate recruitment of TET2 to theGata2distal hematopoietic enhancer thereby increasingGata2expression. Concurrent loss of TET2 inCEBPADMAML induces a competitive advantage by increasingGata2promoter methylation, thereby rebalancing GATA2 levels. Of clinical relevance, demethylating treatment ofCebpa-Tet2co-mutated AML restoresGata2levels and prolongs disease latency.
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- 2023
50. Enabling Transformative Learning in the Workplace: An Educative Research Intervention
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Wilhelmson, Lena, Åberg, Marie Moström, and Backström, Tomas
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The aim of this article is to discuss the potential of an educative research intervention to influence the quality of the learning outcome in the workplace as interpreted from the perspectives of adult learning theory. The research project was designed as a quasi-experimental, mixed-methods study. In this article, quantitative survey data were taken as the point of departure, and qualitative data were used for the purpose of analyzing aspects of learning. An educative research intervention may support a transformative learning quality when the manager and employees have to deal with severe difficulties, and they succeed in doing so by sharing responsibilities and having the strength to engage in the development process in the workplace. It is possible to support transformative learning in the workplace through an educative research intervention that encourages managers to educate themselves and their employees to think and act in new ways, aiming at integrated autonomy, increased interaction, and learning.
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- 2015
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