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| 2. |
- Bravo, L, et al.
(författare)
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- 2021
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swepub:Mat__t
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| 3. |
- Tabiri, S, et al.
(författare)
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- 2021
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swepub:Mat__t
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| 4. |
- Glasbey, JC, et al.
(författare)
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- 2021
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swepub:Mat__t
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| 6. |
- Bratt, E., et al.
(författare)
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The STEPSTONES transition program for adolescents with congenital heart disease is effective in improving patient empowerment : a randomized controlled trial
- 2022
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Ingår i: European Heart Journal. - : Oxford University Press. - 0195-668X .- 1522-9645. ; 43:Suppl. 2, s. 2745-2745
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Background: Congenital heart disease (CHD) is the most common birth defect, with a global birth prevalence of 8.2 per 1000 new-borns. Improvements in the diagnosis and treatment of children with CHD have resulted in increasing life prospects, with more than 90% surviving into adulthood today. To ensure expert lifetime care, patients need to transfer from paediatric-oriented care to adult-oriented care. At the same time, they need to transition from a dependent child with CHD to an independent adult who can manage living with CHD. Thus, during adolescence, patients with CHD need to acquire knowledge and skills to independently manage their health, while simultaneously experiencing a series of physical, cognitive and social changes. To facilitate this phase, transitional care is needed. However, high-level empirical evidence on the effectiveness of transitional care is scarce.Purpose: To investigate the empowering effect (primary outcome) of a structured person-centred transition programme for adolescents with CHD, and to study the effectiveness on transition readiness, patient-reported health, quality of life, health behaviours, disease-related knowledge, parental uncertainty, and parental perception of transition readiness (secondary outcomes).Methods: The STEPSTONES-CHD trial comprised a hybrid experimental design, in which a randomized controlled trial (RCT) was embedded in a longitudinal, observational study. The trial was conducted in seven CHD centres in Sweden. Two centres were allocated to the RCT-arm, randomising participants to intervention (IG) or control group (CG). The other five centres were intervention-naïve centres and served as contamination check control group (CCCG). Outcomes were measured at the age of 16 y (T0; baseline), 17y (T1) and 18.5y (T2).Results: The change in empowerment from T0 to T2 differed significantly between the IG and CG (mean difference=3.44; 95% CI: 0.27–6.65; p=0.036) in favour for IG. For the secondary outcomes, significant differences in change over time were found in parental involvement (p=0.008), CHD-specific knowledge (p=0.0002), and satisfaction with physical appearance (p=0.039). No differences in primary or secondary outcomes were detected between CG and CCCG, indicating that there was no contamination in the CG.Conclusion: The STEPSTONES-CHD trial demonstrated the effectiveness of a person-centred transition programme in empowering adolescents with CHD. Furthermore, parental involvement, satisfaction with physical appearance and CHD-related knowledge were positively influenced. This trial provides empirical underpinnings for the implementation of transition programmes for afflicted adolescents.
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| 13. |
- Bergh, Ingrid H. E., et al.
(författare)
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Assessment and documentation of women's labour pain : A cross-sectional study in Swedish delivery wards
- 2015
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Ingår i: Women and Birth. - : Elsevier. - 1871-5192 .- 1878-1799. ; 28:2, s. E14-E18
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Tidskriftsartikel (refereegranskat)abstract
- Background: A woman's pain during labour plays a dominant role in childbirth. The midwife's role is to assess the degree of pain experienced during labour. When professionals respond to labour pain with acknowledgement and understanding, the woman's sense of control and empowerment is increased, which could contribute to a positive experience of childbirth. The aim of this study is to describe how labour pain in Swedish delivery wards is assessed and documented. Methods: This quantitative descriptive study was designed as a national survey performed through telephone interviews with the representatives of 34 delivery wards in Sweden. Results and conclusion: The majority of the participating delivery wards assessed and documented women's labour pain, but in an unstructured manner. The wards differed in how the assessments and documentation were performed. In addition, almost all the delivery wards that participated in the survey lacked guidelines for the assessment and documentation of the degree of pain during labour. The findings also showed that the issue of labour pain was sometimes discussed in the delivery wards, but not in a structured or consistent way. (C) 2015 Australian College of Midwives. Published by Elsevier Australia (a division of Reed International Books Australia Pty Ltd). All rights reserved.
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| 15. |
- Bratt, C E, et al.
(författare)
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Isolation of pigment-free bulk lipids from thylakoids
- 1993
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Ingår i: Biochimica et Biophysica Acta. - 0006-3002. ; 1165:3, s. 288-290
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Tidskriftsartikel (refereegranskat)abstract
- Lipids from spinach thylakoids were extracted with chloroform/methanol and separated from pigments in a single chromatographic step run at 5 degrees C using silicic acid adjusted to pH 8. The isolated lipid fraction contained essentially the same amounts of individual lipids as in the initial extract. It contained less than 0.1% of the initial chlorophylls and carotenoids.
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| 16. |
- Bratt, E, et al.
(författare)
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Coordination of editing and splicing of glutamate receptor pre-mRNA
- 2003
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Ingår i: RNA. - : Cold Spring Harbor Laboratory. - 1355-8382 .- 1469-9001. ; 9, s. 309-318
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Tidskriftsartikel (refereegranskat)abstract
- Adenosine deaminase that acts on RNA, ADAR, catalyzes the conversion of adenosine into inosine within double-stranded RNA. This type of editing has mainly been found in genes involved in neurotransmission. Site-specific A to I modifications often require intronic sequences to create the double-stranded structure necessary for editing. A system was developed to investigate if editing and splicing of pre-mRNA are coordinated. We have focused on a selectively edited site (R/G) in the glutamate receptor subunit B pre-mRNA. This editing site is situated in close proximity to a 5′ splice site. To ensure efficient splicing, the editing site, together with its natural 5′ splice site, was fused to a 3′ splice site of the major late transcript from adenovirus. In vitro, on a premade transcript, ADAR2 editing and splicing were found to interfere with each other. The stable stem-loop required for ADAR2 editing had a negative effect on in vitro splicing, possibly by sequestering the 5′ splice site. Further, RNA helicase A was shown to overcome the splicing inhibition caused by ADAR2. In vivo, allowing cotranscriptional processing, the same construct was found to efficiently edit and splice without interference, suggesting that the two RNA processing events are coordinated.
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| 25. |
- Bratt, Katarina, et al.
(författare)
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Avenanthramides in Oats (Avena Sativa L.) and Structure-Activity Relationships
- 2003
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Ingår i: Journal of Agricultural and Food Chemistry. - : American Chemical Society (ACS). - 0021-8561 .- 1520-5118. ; 51:3, s. 594-600
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Tidskriftsartikel (refereegranskat)abstract
- Eight avenanthramides, amides of anthranilic acid (1) and 5-hydroxyanthranilic acid (2), respectively, and the four cinnamic acids p-coumaric (p), caffeic (c), ferulic (f), and sinapic (s) acid, were synthesized for identification in oat extracts and for structure−antioxidant activity studies. Three compounds (2p, 2c, and 2f) were found in oat extracts. As assessed by the reactivity toward 1,1-diphenyl-2-picrylhydrazyl (DPPH), all avenanthramides except 1p showed activity. Initially, the antioxidant activity of the avenanthramides decreased in a similar order as for the corresponding cinnamic acids, that is: sinapic > caffeic > ferulic > p-coumaric acid. The avenanthramides derived from 2 were usually slightly more active than those derived from 1. All avenanthramides inhibited azo-initiated peroxidation of linoleic acid. 1c and 1s were initially the most effective compounds. The relative order of antioxidant activities was slightly different for the DPPH and the linoleic acid assays run in methanol and chlorobenzene, respectively.
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| 27. |
- Bratt, O, et al.
(författare)
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Risk perception, screening practice and interest in genetic testing among unaffected men in families with hereditary prostate cancer
- 2000
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Ingår i: European Journal of Cancer. - 0959-8049. ; 36:2, s. 235-241
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Tidskriftsartikel (refereegranskat)abstract
- Approximately 5-10% of prostate cancer cases are caused by dominantly inherited susceptibility to the disease. Although advances have been made in research concerning the genetic mechanisms of hereditary prostate cancer, little is known about the psychological consequences for men at high risk of developing the disease. The aims of the present study were to examine risk perception, interest in genetic investigations, cancer-specific worry, and screening practice among unaffected men, aged 40-72 years old, with a pedigree consistent with hereditary prostate cancer and an estimated lifetime risk of prostate cancer of 35-45%. A questionnaire was sent by mail to 120 subjects, of whom 110 responded. Most of the men (n = 90, 82%) worried about having an inherited susceptibility to prostate cancer, and 34 (31%) claimed that worry about prostate cancer affected their daily life (3 (3%) fairly much, 31 (28%) slightly). As many as 40% of the study subjects perceived their lifetime risk of prostate cancer as 67% or more. Perceived high risk was associated with symptoms of depression and with cancer worry affecting daily living. Two-thirds of the men aged 50 years old or more were regularly screened for prostate cancer. Subjects with high levels of cancer-specific stress, as measured by the avoidance subscale of the Impact of Event Scale, were less likely to opt for screening. Almost all of the men (94%) were interested in presymptomatic genetic testing (84 (76%) "definitely yes" and 20 (18%) "probably yes"). We conclude that hereditary susceptibility to prostate cancer has significant psychological consequences although it rarely causes psychiatric morbidity. The present study underlines the importance of giving thorough, repeated information to men at high risk of prostate cancer.
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| 29. |
- Bratt, Ola, 1963, et al.
(författare)
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The Value of an Extensive Transrectal Repeat Biopsy with Anterior Sampling in Men on Active Surveillance for Low-risk Prostate Cancer: A Comparison from the Randomised Study of Active Monitoring in Sweden (SAMS)
- 2019
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Ingår i: European Urology. - : Elsevier BV. - 0302-2838 .- 1873-7560. ; 76:4, s. 461-466
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Tidskriftsartikel (refereegranskat)abstract
- Background: A systematic repeat biopsy is recommended for men starting on active surveillance for prostate cancer, but the optimal number and distribution of cores are unknown. Objective: To evaluate an extensive repeat transrectal biopsy with anterior sampling in men starting on active surveillance. Design, setting, and participants: Randomised multicentre trial. From 2012 to 2016, 340 Swedish men, aged 40-75 yr, with recently diagnosed low-volume Gleason grade group 1 prostate cancer were included. Intervention: Either an extensive transrectal biopsy with anterior sampling (median 19 cores) or a standard transrectal biopsy (median 12 cores). Outcome measurements and statistical analysis: Primary outcome measure: Gleason grade group >= 2 cancer. Secondary outcomes: Cancer in anteriorly directed biopsy cores and postbiopsy infection. Nonparametric statistical tests were applied. Results and limitations: Gleason grade group >= 2 cancer was detected in 16% of 156 men who had an extensive biopsy and in 10% of 164 men who had a standard biopsy, a 5.7% difference (95% confidence interval [CI]-0.2% to 13%, p = 0.09). There was a strong linear association between prostate-specific antigen (PSA) density and cancer in the anteriorly directed biopsy cores. The odds ratios for cancer in the anteriorly directed cores were for any cancer 2.2 (95% CI 1.3-3.9, p = 0.004) and for Gleason grade group >= 2 cancer 2.3 (95% CI 1.2-4.4, p = 0.015) per 0.1-ng/ml/cm(3) increments. Postbiopsy infections were equally common in the two groups. A limitation is that magnetic resonance imaging was not used. Conclusions: The trial did not support general use of the extensive transrectal repeat biopsy template, but cancer in the anteriorly directed cores was common, particularly in men with high PSA density. The higher the PSA density, the stronger the reason to include anterior sampling at a systematic repeat biopsy. Patient summary: This trial compared two different templates for transrectal prostate biopsy in men starting on active surveillance for low-risk prostate cancer. Cancer was often found in the front part of the prostate, which is not sampled on a standard prostate biopsy. (C) 2019 European Association of Urology. Published by Elsevier B.V. All rights reserved.
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| 30. |
- Bratt, Tomas, et al.
(författare)
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Cleavage of the alpha 1-microglobulin-bikunin precursor is localized to the Golgi apparatus of rat liver cells
- 1993
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Ingår i: Biochimica et Biophysica Acta. - 0006-3002. ; 1157:2, s. 54-147
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Tidskriftsartikel (refereegranskat)abstract
- alpha 1-Microglobulin, a plasma protein with immunoregulatory properties, and bikunin, the light chain of the proteinase inhibitors inter-alpha-inhibitor and pre-alpha-inhibitor, are translated as a precursor protein from the same mRNA. The cosynthesis of alpha 1-microglobulin and bikunin is unique compared to other proproteins such as procomplement components and prohormones, since alpha 1-microglobulin and bikunin have no known functional connection. Different forms of intracellular rat liver alpha 1-microglobulin were isolated and characterized by amino acid sequence analysis, lectin binding and glycosidase treatment. Their subcellular distribution was studied by Nycodenz and sucrose gradient centrifugation, pulse-chase experiments, and electrophoresis with subsequent immunoblotting, using pro-C3 and prohaptoglobin as reference proteins. Two alpha 1-microglobulin-bikunin precursors (40 and 42 kDa), containing one and two N-linked oligosaccharides, respectively, were detected in the endoplasmic reticulum. After transport to the Golgi apparatus, the precursors were cleaved, probably C-terminal to the sequence Arg-Ala-Arg-Arg immediately preceding the bikunin part, yielding free sialylated 28 kDa alpha 1-microglobulin, representing the mature protein. The cleavage was almost complete in phosphatidylinositol 4-kinase-enriched membranes, previously identified as a post-Golgi compartment. A fourth intracellular form of alpha 1-microglobulin, 26 kDa, lacked sialic acid. None of the intracellular forms carried the yellow-brown chromophore associated with alpha 1-microglobulin when purified from serum and urine, suggesting that this chromophore becomes linked to the protein after its secretion from the liver cells.
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| 32. |
- Brorsson, Anna Lena, 1964, et al.
(författare)
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Randomised controlled trial of a person-centred transition programme for adolescents with type 1 diabetes (STEPSTONES-DIAB): a study protocol
- 2020
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Ingår i: BMJ Open. - : BMJ. - 2044-6055. ; 10:4
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Tidskriftsartikel (refereegranskat)abstract
- Introduction Adolescence is a critical period for youths with chronic conditions, when they are supposed to take over the responsibility for their health. Type 1 diabetes (T1D) is one of the most common chronic conditions in childhood and inadequate self-management increases the risk of short-term and long-term complications. There is a lack of evidence regarding the effectiveness of transition programmes. As a part of the Swedish Transition Effects Project Supporting Teenagers with chrONic mEdical conditionS research programme, the objective of this study is to evaluate the effectiveness and experiences of different transitional care models, including a person-centred transition programme aiming to empower adolescents with T1D to become active partners in their health and care. Methods and analysis In this randomised controlled trial, patients are recruited from two paediatric diabetes clinics at the age of 16 years. Patients are randomly assigned to either the intervention group (n=70) where they will receive usual care plus the structured transition programme, or to the control group (n=70) where they will only receive usual care. Data will be collected at 16, 17 and 18.5 years of age. In a later stage, the intervention group will be compared with adolescents in a dedicated youth clinic in a third setting. The primary outcome is patient empowerment. Secondary outcomes include generic, diabetes-specific and transfer-specific variables. Ethics and dissemination The study has been approved by the Ethical Review Board in Stockholm (Dnr 2018/1725-31). Findings will be reported following the Consolidated Standards of Reporting Trials statement and disseminated in peer-reviewed journals and at international conferences.
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| 37. |
- Christiansen, O., et al.
(författare)
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Predictors of upgrading from low-grade cancer at prostatectomy in men with biparametric magnetic resonance imaging
- 2022
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Ingår i: Central European Journal of Urology. - : Polish Urological Association. - 2080-4806 .- 2080-4873. ; 75:1, s. 35-40
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Tidskriftsartikel (refereegranskat)abstract
- Introduction Prostate-specific antigen (PSA) density has previously been identified as a predictor of histological upgrading at radical prostatectomy, but how information from pre-treatment biparametric magnetic resonance imaging (bpMRI) contributes needs further clarification. The objective of this register-based study was to identify predictors of upgrading at prostatectomy in men with Grade group (GG) 1 and pre-treatment bpMRI. Material and methods This single-center study included men with GG 1 cancer on prediagnostic biopsy, who underwent bpMRI and robotic-assisted radical prostatectomy (RARP) between March 2014 and September 2019. We estimated logistic regression models to explore predictors for upgrading. The explored potential predictors were age, PSA density, tumor stage and Prostate Imaging Reporting and Data System (PI-RADS) score (dichotomised 1-3 versus 4-5). Results Upgrading was observed in 56% (73/130) of the men. PSA density was the only significant predictor for upgrading (unadjusted OR = 1.7, 95% CI 1.2; 2.4 adjusted OR = 1.7, 95% CI 1.2; 2.5). The probability of upgrading was lower for men with a PIRADS 1-3 than for PIRADS 4-5, but the difference was not statistically significant (adjusted OR 0.4, 95% CI 0.2; 1.1, p = 0.082). Among men with PI-RADS 1-3, the probability increased with increasing PSA density (p = 0.036). With PI-RADS 4-5 the probability of upgrading was high over the entire PSA density range. Conclusions PSA density is a clinically important factor to predict upgrading from GG1 when bpMRI shows PI-RADS 1-3. In men with PI-RADS 4-5 on bpMRI, the probability of an undetected GG 2-5 cancer is high regardless of the PSA density.
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| 39. |
- Davies, RC, et al.
(författare)
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WT1 interacts with the splicing factor U2AF65 in an isoform-dependent manner and can be incorporated into spliceosomes
- 1998
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Ingår i: Genes & development. - : Cold Spring Harbor Laboratory. - 0890-9369 .- 1549-5477. ; 12:20, s. 3217-3225
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Tidskriftsartikel (refereegranskat)abstract
- WT1 is essential for normal kidney development, and genetic alterations are associated with Wilms’ tumor, Denys Drash (DDS), and Frasier syndromes. Although generally considered a transcription factor this study has revealed that WT1 interacts with an essential splicing factor, U2AF65, and associates with the splicing machinery. WT1 is alternatively spliced and isoforms that include three amino acids, KTS, show stronger interaction with U2AF65 in vitro and better colocalization with splicing factors in vivo. Interestingly a mutation associated with DDS enhanced both −KTS WT1 binding to U2AF65 and splicing-factor colocalization. These data illustrate the functional importance of WT1 isoforms and suggest that WT1 plays a role in pre-mRNA splicing.
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