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Träfflista för sökning "WFRF:(Eriksson Maria 1969 ) ;conttype:(refereed)"

Sökning: WFRF:(Eriksson Maria 1969 ) > Refereegranskat

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1.
  • Backmark, Anna, 1979, et al. (författare)
  • Affinity tags can reduce merohedral twinning of membrane protein crystals
  • 2008
  • Ingår i: Acta Crystallographica. Section D: Biological Crystallography. - 1399-0047 .- 0907-4449. ; D64, s. 1183-1186
  • Tidskriftsartikel (refereegranskat)abstract
    • This work presents a comparison of the crystal packing of three eukaryotic membrane proteins: human aquaporin 1, human aquaporin 5 and a spinach plasma membrane aquaporin. All were purified from expression constructs both with and without affinity tags. With the exception of tagged aquaporin 1, all constructs yielded crystals. Two significant effects of the affinity tags were observed: crystals containing a tag typically diffracted to lower resolution than those from constructs encoding the protein sequence alone and constructs without a tag frequently produced crystals that suffered from merohedral twinning. Twinning is a challenging crystallographic problem that can seriously hinder solution of the structure. Thus, for integral membrane proteins, the addition of an affinity tag may help to disrupt the approximate symmetry of the protein and thereby reduce or avoid merohedral twinning.
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2.
  • Dalin, Frida, 1984-, et al. (författare)
  • Clinical and immunological characteristics of Autoimmune Addison's disease : a nationwide Swedish multicenter study
  • 2017
  • Ingår i: Journal of Clinical Endocrinology and Metabolism. - : Oxford University Press. - 0021-972X .- 1945-7197. ; 102:2, s. 379-389
  • Tidskriftsartikel (refereegranskat)abstract
    • CONTEXT: Studies on clinical and immunological features of Autoimmune Addison's disease (AAD) are needed to understand the disease burden and increased mortality.OBJECTIVE: To provide upgraded data on autoimmune comorbidities, replacement therapy, autoantibody profiles and cardiovascular risk factors.DESIGN, SETTING AND PARTICIPANTS: Cross sectional, population-based study. 660 AAD patients were included utilizing the Swedish Addison Registry (SAR) 2008-2014. When analyzing cardiovascular risk factors, 3,594 individuals from the population-based survey in Northern Sweden, MONICA (MONItoring of Trends and Determinants of CArdiovascular Disease), served as controls.MAIN OUTCOME MEASURE: Prevalence of autoimmune comorbidities and cardiovascular risk factors. Autoantibodies against 13 autoantigens were determined.RESULTS: Sixty percent of the SAR cohort consisted of females. Mean age at diagnosis was significantly higher for females than for males (36.8 vs. 31.1 years). The proportion of 21-hydroxylase autoantibody positive patients was 83% and 62% of patients had one or more associated autoimmune diseases, more frequently coexisting in females (p<0.0001). AAD patients had lower BMI (p<0.0001) and prevalence of hypertension (p=0.027) compared with controls. Conventional hydrocortisone tablets were used by 89% of patients; with the mean dose 28.1±8.5 mg/day. The mean hydrocortisone equivalent dose normalized to body surface was 14.8±4.4 mg/m(2)/day. Higher hydrocortisone equivalent dose was associated with higher incidence of hypertension (p=0.046).CONCLUSIONS: Careful monitoring of AAD patients is warranted to detect associated autoimmune diseases. Contemporary Swedish AAD patients do not have increased prevalence of overweight, hypertension, T2DM or hyperlipidemia. However, high glucocorticoid replacement doses may be a risk factor for hypertension.
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3.
  • Eriksson, Daniel, et al. (författare)
  • Cytokine Autoantibody Screening in the Swedish Addison Registry Identifies Patients With Undiagnosed APS1
  • 2018
  • Ingår i: The Journal of clinical endocrinology and metabolism. - : The Endocrine Society. - 1945-7197 .- 0021-972X. ; 103:1, s. 179-186
  • Tidskriftsartikel (refereegranskat)abstract
    • Context: Autoimmune polyendocrine syndrome type 1 (APS1) is a monogenic disorder that features autoimmune Addison disease as a major component. Although APS1 accounts for only a small fraction of all patients with Addison disease, early identification of these individuals is vital to prevent the potentially lethal complications of APS1.Objective: To determine whether available serological and genetic markers are valuable screening tools for the identification of APS1 among patients diagnosed with Addison disease.Design: We systematically screened 677 patients with Addison disease enrolled in the Swedish Addison Registry for autoantibodies against interleukin-22 and interferon-α4. Autoantibody-positive patients were investigated for clinical manifestations of APS1, additional APS1-specific autoantibodies, and DNA sequence and copy number variations of AIRE.Results: In total, 17 patients (2.5%) displayed autoantibodies against interleukin-22 and/or interferon-α4, of which nine were known APS1 cases. Four patients previously undiagnosed with APS1 fulfilled clinical, genetic, and serological criteria. Hence, we identified four patients with undiagnosed APS1 with this screening procedure.Conclusion: We propose that patients with Addison disease should be routinely screened for cytokine autoantibodies. Clinical or serological support for APS1 should warrant DNA sequencing and copy number analysis of AIRE to enable early diagnosis and prevention of lethal complications.
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5.
  • Johnson, Magnus S.C. 1969, et al. (författare)
  • Interaction of scavenger receptor class B type I with peroxisomal targeting receptor Pex5p.
  • 2003
  • Ingår i: Biochemical and biophysical research communications. - 0006-291X. ; 312:4, s. 1325-34
  • Tidskriftsartikel (refereegranskat)abstract
    • Scavenger receptor class B type I (SR-BI) is an HDL receptor that mediates selective HDL lipid uptake. Peroxisomes play an important role in lipid metabolism and peroxisomal targeting signal type 1 (PTS1)-containing proteins are translocated to peroxisomes by the peroxisomal targeting import receptor, Pex5p. We have previously identified a PTS1 motif in the intracellular domain of rat SR-BI. Here, we examine the possible interaction between Pex5p and SR-BI. Expression of a Flag-tagged intracellular domain of SR-BI resulted in translocation to the peroxisome as demonstrated by double labeling with anti-Flag IgG and anti-catalase IgG analyzed by confocal microscopy. Immunoprecipitation experiments with anti-SR-BI antibody showed that Pex5p co-precipitated with SR-BI. However, when an antibody against Pex5p was used for immunoprecipitation, only the 57kDa, non-glycosylated form, of SR-BI co-precipitated. We conclude that the PTS1 domain of SR-BI is functional and can mediate peroxisomal interaction via Pex5p, in vitro.
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6.
  • Sarkadi, Anna, Professor, 1974-, et al. (författare)
  • Are We Ready to Really Hear the Voices of Those Concerned? : Lessons Learned from Listening to and Involving Children in Child and Family Psychology Research
  • 2023
  • Ingår i: Clinical Child and Family Psychology Review. - : Springer Nature. - 1096-4037 .- 1573-2827.
  • Tidskriftsartikel (refereegranskat)abstract
    • A changing view of children, accelerated by the Convention of the Rights of the Child (UN in Convention on the rights of the child, UN Doc. A/RES/44/25, 1989, http://www2.ohchr.org/english/law/pdf/crc.pdf) has shifted the landscape of child and family research over the last few decades. Once viewed with low credibility and operating outside the interpretive framework of adult researchers, the rights-bearing child is increasingly recognized not only as having the capacity but also the right to participate in research. More recently, this movement has transitioned from the direct engagement of children as research participants—now considered commonplace, although less so for those who are structurally vulnerable—to the involvement of children in research design, review, conduct, and dissemination. Yet, both practical and ethical challenges remain. While children have the right to participation, they also have the right to protection. In this commentary, we set out to: (i) lay forth epistemic, child rights, and child sociology arguments for doing research about, with and by children and youth; (ii) recount our own journey of including children and youth in research to demonstrate the unique knowledge and insights gained through these approaches; and (iii) offer lessons learned on how to engage children and youth in research, including the involvement of structurally vulnerable groups.
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7.
  • Taube, Magdalena, et al. (författare)
  • Evaluation of reference genes for gene expression studies in human brown adipose tissue.
  • 2015
  • Ingår i: Adipocyte. - : Informa UK Limited. - 2162-3945 .- 2162-397X. ; 4:4, s. 280-5
  • Tidskriftsartikel (refereegranskat)abstract
    • Human brown adipose tissue (BAT) has during the last 5 year been subjected to an increasing research interest, due to its putative function as a target for future obesity treatments. The most commonly used method for molecular studies of human BAT is the quantitative polymerase chain reaction (qPCR). This method requires normalization to a reference gene (genes with uniform expression under different experimental conditions, e.g. similar expression levels between human BAT and WAT), but so far no evaluation of reference genes for human BAT has been performed. Two different microarray datasets with samples containing human BAT were used to search for genes with low variability in expression levels. Seven genes (FAM96B, GNB1, GNB2, HUWE1, PSMB2, RING1 and TPT1) identified by microarray analysis, and 8 commonly used reference genes (18S, B2M, GAPDH, LRP10, PPIA, RPLP0, UBC, and YWHAZ) were selected and further analyzed by quantitative PCR in both BAT containing perirenal adipose tissue and subcutaneous adipose tissue. Results were analyzed using 2 different algorithms (Normfinder and geNorm). Most of the commonly used reference genes displayed acceptably low variability (geNorm M-values <0.5) in the samples analyzed, but the novel reference genes identified by microarray displayed an even lower variability (M-values <0.25). Our data suggests that PSMB2, GNB2 and GNB1 are suitable novel reference genes for qPCR analysis of human BAT and we recommend that they are included in future gene expression studies of human BAT.
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8.
  • Wastesson, Karin, et al. (författare)
  • Conditions for Workplace Learning as a New First-Line Manager in Elderly Care
  • 2021
  • Ingår i: Vocations and Learning. - : Springer. - 1874-785X .- 1874-7868. ; 14:2, s. 205-222
  • Tidskriftsartikel (refereegranskat)abstract
    • The purpose of this article is to explore first-line managers’ experiences of workplace learning in elderly care, with a particular focus on the conditions for learning when entering a new workplace as the new manager. Qualitative interviews were conducted with 35 first-line managers from three organisations in Sweden. Four learning conditions emerged as being particularly significant for first-line managers: the managers’ previous professional experience, job-specific training, social support, and the joint repertoire of organisational arrangements. These conditions shifted in importance during the process of entering the workplace, and the way in which the conditions gave access to learning for different managers varied. The managers’ professional experience and others’ recognition of them had a considerable impact on their admittance to the new workplace. After the initial entry phase, the other three learning conditions became more significant and played a role in enabling or constraining the managers’ learning and becoming the new manager. One conclusion is that contextual and work experiences from elderly care were significant for learning during the initial phase and in order to gain access to workplace learning. Another conclusion is that high expectations and great responsibility were placed on the managers to satisfy their own learning needs. This implies that professional, social and emotional support that is received informally is just as significant for learning as formalised training for entering a new workplace as a new manager.
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9.
  • Wastesson, Karin, et al. (författare)
  • First-line managers’ practices and learning in unpredictable work within elderly care
  • 2022
  • Ingår i: Studies in Continuing Education. - : Routledge. - 0158-037X .- 1470-126X. ; 44:3, s. 376-391
  • Tidskriftsartikel (refereegranskat)abstract
    • Despite the number of studies confirming a high degree of unpredictability in managerial work, little is still known about how managers? workplace learning happens within organisations in such circumstances. This paper therefore aims to contribute knowledge about managers? learning in managerial practice when work is unpredictable, by investigating how first-line managers deal with unforeseen situations and how they learn in such circumstances in everyday work. Data was collected via qualitative interviews with 40 first-line managers in Swedish elderly care. By using a theoretical framework based on practice and workplace learning theories, the paper analyses how managers address unpredictability in work through three embedded practices: maintaining, modifying and inventing. The paper goes beyond research on leadership training and leadership development by contributing knowledge about the everyday learning of first-line managers when their work is unpredictable. The unpredictable managerial work does not always create chaos; instead, there are very orderly ways of learning from dealing with unforeseen situations. The unforeseen is not as unpredictable as it might seem in managerial work. On the other hand, that which is not yet known calls for an inventing practice, which results in managers learning to take new paths that can create new practices.
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10.
  • Wikberg, Carl, et al. (författare)
  • Comparison Between the Montgomery-Asberg Depression Rating Scale–Self and the Beck Depression Inventory II in Primary Care
  • 2015
  • Ingår i: The Primary Care Companion for CNS Disorders. - 0160-6689 .- 1555-2101 .- 2155-7772. ; 17:3
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: The Montgomery-Asberg Depression Rating Scale–Self (MADRS-S) and the Beck Depression Inventory II (BDI-II) are commonly used self-assessment instruments for screening and diagnosis of depression. The BDI-II has 21 items and the MADRS-S has 9 items. These instruments have been tested with psychiatric inpatients but not in outpatient primary care, where most patients with symptoms of depression initially seek treatment. The purpose of this study was to compare these 2 instruments in the primary care setting. Method: Data were collected from 2 primary care randomized controlled trials that were performed from 2010 to 2013 in Sweden: the Primary Care Self-Assessment MADRS-S Study and Primary Care Internet-Based Cognitive Behavioral Therapy Study. There were 146 patients (73 patients each from both trials) who had newly diagnosed mild or moderate depression (per DSM-IV recommendations) and who had assessment with both the MADRS-S and BDI-II at primary care centers. Comparability and reliability of the instruments were estimated by Pearson product moment correlation and Cronbach α. Results: A good correlation was observed between the 2 instruments: 0.66 and 0.62 in the 2 study cohorts. The reliability within the 2 study cohorts was good for both MADRS-S (Cronbach α: 0.76 for both cohorts) and BDI-II items (Cronbach α: 0.88 and 0.85). Conclusions: The 2 instruments showed good comparability and reliability for low, middle, and high total depression scores. The MADRS-S may be used as a rapid, easily administered, and inexpensive tool in primary care and has results comparable to the BDI-II in all domains.
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