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Sökning: WFRF:(Andersson Irene)

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  • Andersson, Frida, et al. (författare)
  • Avslutning: Geografi på den politiska agendan
  • 2008
  • Ingår i: Regionalpolitikens geografi. Regional tillväxt i teori och praktik. - Studentlitteratur AB. - 978-91-44-01541-5 ; s. 285-291
  • Bokkapitel (övrigt vetenskapligt)
  • Andersson, Iréne, et al. (författare)
  • Complement split products and pro-inflammatory cytokines in salvaged blood after hip and knee arthroplasty.
  • 2001
  • Ingår i: Canadian journal of anaesthesia = Journal canadien d'anesthésie. - 0832-610X. ; 48:3, s. 251-5
  • Tidskriftsartikel (refereegranskat)abstract
    • PURPOSE: To determine whether salvaged autologous blood collected postoperatively contains complement split products (SC5b-9), and pro-inflammatory cytokines (IL-6 and IL-8) and whether there are any differences between blood collected during hip or knee surgery. METHODS: Fifty-eight consecutive patients undergoing hip or knee replacement surgery were studied. Thirty-eight had postoperative bleeding large enough to require infusion of salvaged blood. The salvaged blood was filtered during collection through a 200 microm filter and before infusion a 40 microm filter was used. Samples for complement and cytokine determinations were drawn from the circulation and from the collected blood. RESULTS: High concentrations of SC5b-9, IL-6, and IL-8 were found in salvaged blood. The concentrations were higher than in the circulation (P < 0.05). The circulating concentrations of IL-6 and IL-8 were increased 60 min and 12-18 hr after transfusion. There were no differences regarding SC5b-9, IL-6, and IL-8 in the blood collected after hip or knee surgery. CONCLUSION: Blood collected from a surgical wound contains large concentrations of inflammatory mediators. There were no differences between blood collected during hip or knee surgery.
  • Brodin, Nina, et al. (författare)
  • Coaching patients with early rheumatoid arthritis to healthy physical activity : A multicenter, randomized, controlled study
  • 2008
  • Ingår i: Arthritis and Rheumatism. - 0004-3591. ; 59:3, s. 325-331
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective. To investigate the effect of a 1-year coaching program for healthy physical activity on perceived health status, body function, and activity limitation in patients with early rheumatoid arthritis. Methods. A total of 228 patients (169 women, 59 men, mean age 55 years, mean time since diagnosis 21 months) were randomized to 2 groups after assessments with the EuroQol visual analog scale (VAS), Grippit, Timed-Stands Test, Escola Paulista de Medicina Range of Motion scale, walking in a figure-of-8, a visual analog scale for pain, the Health Assessment Questionnaire disability index, a self-reported physical activity questionnaire, and the Disease Activity Score in 28 joints. All patients were regularly seen by rheumatologists and underwent rehabilitation as prescribed. Those in the intervention group were further individually coached by a physical therapist to reach or maintain healthy physical activity (=30 minutes, moderately intensive activity, most days of the week). Results. The retention rates after 1 year were 82% in the intervention group and 85% in the control group. The percentages of individuals in the intervention and control groups fulfilling the requirements for healthy physical activity were similar before (47% versus 51%, P > 0.05) and after (54% versus 44%, P > 0.05) the intervention. Analyses of outcome variables indicated improvements in the intervention group over the control group in the EuroQol VAS (P = 0.025) and muscle strength (Timed-Stands Test, P = 0.000) (Grippit, P = 0.003), but not in any other variables assessed. Conclusion. A 1-year coaching program for healthy physical activity resulted in improved perceived health status and muscle strength, but the mechanisms remain unclear, as self-reported physical activity at healthy level did not change. © 2008, American College of Rheumatology.
  • Sjöquist, Emma S., et al. (författare)
  • Physical Activity Coaching of Patients with Rheumatoid Arthritis in Everyday Practice : A Long-term Follow-up
  • 2011
  • Ingår i: Musculoskeletal Care. - Chichester : John Wiley & Sons. - 1478-2189. ; 9:2, s. 75-85
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVES: To investigate the long-term effects on perceived general health, disease activity, pain, activity limitation and cognitive behavioural factors of a one-year coaching programme performed in ordinary physical therapy practice to promote the adoption of health-enhancing physical activity in patients with early rheumatoid arthritis (RA).METHODS: A total of 228 patients with early RA, from 10 rheumatology clinics in Sweden, were randomly assigned to an intervention group (IG; n = 94) or a control group (CG; n = 134). The IG was coached by physical therapists during the first year to adopt health-enhancing levels of physical activity (30 minutes/day, moderately intensive, ≥ 4 days/week). No coaching was given during the subsequent year between post-intervention and follow-up. Follow-up assessment consisted of a postal questionnaire on physical activity and of visual analogue scales for ratings of general health perception and pain. The Health Assessment Questionnaire Disability Index (HAQ) and the Disease Activity Score in 28 joints (DAS 28) were collected at regular medical check-ups.RESULTS: Sixty-five (69%) participants in the IG and 92 (69%) in the CG completed the entire study period by filling in the follow-up questionnaire on physical activity two years after baseline. The intervention seemed to lack any significant influence on long-term outcome. However, different patterns of change in physical activity behaviour were observed in the two groups.CONCLUSIONS: No long-term improvement in perceived general health or other outcomes were found in the follow-up. This may partly be because the intervention lacked several important behavioural elements for physical activity maintenance. Copyright © 2011 John Wiley &amp; Sons, Ltd.
  • Winkler, Thomas W., et al. (författare)
  • The Influence of Age and Sex on Genetic Associations with Adult Body Size and Shape A Large-Scale Genome-Wide Interaction Study
  • 2015
  • Ingår i: PLoS Genetics. - 1553-7390 .- 1553-7404. ; 11:10
  • Tidskriftsartikel (refereegranskat)abstract
    • Genome-wide association studies (GWAS) have identified more than 100 genetic variants contributing to BMI, a measure of body size, or waist-to-hip ratio (adjusted for BMI, WHRadjBMI), a measure of body shape. Body size and shape change as people grow older and these changes differ substantially between men and women. To systematically screen for age-and/or sex-specific effects of genetic variants on BMI and WHRadjBMI, we performed meta-analyses of 114 studies (up to 320,485 individuals of European descent) with genome-wide chip and/or Metabochip data by the Genetic Investigation of Anthropometric Traits (GIANT) Consortium. Each study tested the association of up to similar to 2.8M SNPs with BMI and WHRadjBMI in four strata (men &lt;= 50y, men &gt; 50y, women &lt;= 50y, women &gt; 50y) and summary statistics were combined in stratum-specific meta-analyses. We then screened for variants that showed age-specific effects (G x AGE), sex-specific effects (G x SEX) or age-specific effects that differed between men and women (G x AGE x SEX). For BMI, we identified 15 loci (11 previously established for main effects, four novel) that showed significant (FDR&lt; 5%) age-specific effects, of which 11 had larger effects in younger (&lt; 50y) than in older adults (&gt;= 50y). No sex-dependent effects were identified for BMI. For WHRadjBMI, we identified 44 loci (27 previously established for main effects, 17 novel) with sex-specific effects, of which 28 showed larger effects in women than in men, five showed larger effects in men than in women, and 11 showed opposite effects between sexes. No age-dependent effects were identified for WHRadjBMI. This is the first genome-wide interaction meta-analysis to report convincing evidence of age-dependent genetic effects on BMI. In addition, we confirm the sex-specificity of genetic effects on WHRadjBMI. These results may providefurther insights into the biology that underlies weight change with age or the sexually dimorphism of body shape.
  • Adams, Hieab H. H., et al. (författare)
  • Novel genetic loci underlying human intracranial volume identified through genome-wide association
  • 2016
  • Ingår i: Nature Neuroscience. - 1097-6256 .- 1546-1726. ; 19:12, s. 1569-1582
  • Tidskriftsartikel (refereegranskat)abstract
    • Intracranial volume reflects the maximally attained brain size during development, and remains stable with loss of tissue in late life. It is highly heritable, but the underlying genes remain largely undetermined. In a genome-wide association study of 32,438 adults, we discovered five previously unknown loci for intracranial volume and confirmed two known signals. Four of the loci were also associated with adult human stature, but these remained associated with intracranial volume after adjusting for height. We found a high genetic correlation with child head circumference (rho(genetic) = 0.748), which indicates a similar genetic background and allowed us to identify four additional loci through meta-analysis (N-combined = 37,345). Variants for intracranial volume were also related to childhood and adult cognitive function, and Parkinson's disease, and were enriched near genes involved in growth pathways, including PI3K-AKT signaling. These findings identify the biological underpinnings of intracranial volume and their link to physiological and pathological traits.
  • Akimoto, Chizuru, et al. (författare)
  • No GGGGCC-hexanucleotide repeat expansion in C9ORF72 in parkinsonism patients in Sweden
  • 2013
  • Ingår i: Amyotrophic Lateral Sclerosis and Frontotemporal Degeneration. - Informa Healthcare. - 2167-8421. ; 14:1, s. 26-29
  • Tidskriftsartikel (refereegranskat)abstract
    • An intronic GGGGCC-hexanucleotide repeat expansion in C9ORF72 was recently identified as a major cause of amyotrophic lateral sclerosis and frontotemporal dementia. Some amyotrophic lateral sclerosis patients have signs of parkinsonism, and many parkinsonism patients develop dementia. In this study we examined if the hexanucleotide repeat expansion was present in parkinsonism patients, to clarify if there could be a relationship between the repeat expansion and disease. We studied the size of the hexanucleotide repeat expansion in a well defined population-based cohort of 135 Parkinson's disease patients and 39 patients with atypical parkinsonism and compared with 645 Swedish control subjects. We found no correlation between Parkinson's disease or atypical parkinsonism and the size of the GGGGCC repeat expansion in C9ORF72. In conclusion, this GGGGCC-repeat expansion in C9ORF72 is not a cause of parkinsonism in the Swedish population.
  • Alexeyev, Oleg A, et al. (författare)
  • Direct visualization of Propionibacterium acnes in prostate tissue by multicolor fluorescent in situ hybridization assay.
  • 2007
  • Ingår i: Journal of Clinical Microbiology. - 0095-1137. ; 45:11, s. 3721-8
  • Tidskriftsartikel (refereegranskat)abstract
    • Prostate tissues from patients with prostate cancer and benign prostatic hyperplasia (BPH) frequently contain histological inflammation, and a proportion of these patients show evidence of Propionibacterium acnes infection in the prostate gland. We developed a multicolor fluorescent in situ hybridization (FISH) assay targeting P. acnes 23S rRNA along with a 14-kb region of the P. acnes genome. This assay was used to analyze prostate tissues from patients with prostate cancer and BPH. P. acnes infection of the prostate gland was demonstrated in prostatic tissue in 5 of 10 randomly selected prostate cancer patients. FISH analysis and confocal laser microscopy imaging revealed intracellular localization and stromal biofilm-like aggregates as common forms of P. acnes infection in prostate tissues from both prostate cancer and BPH patients. A sequential analysis of prostate tissue from individual patients suggested that P. acnes can persist for up to 6 years in the prostate gland. These results indicate that P. acnes can establish a persistent infection in the prostate gland. Further study is needed to clarify the link between this bacterium and prostatic inflammation which may contribute to the development of BPH and prostate cancer.
  • Anderson, Leif G, 1951-, et al. (författare)
  • Source and formation of the upper halocline of the Arctic Ocean
  • 2013
  • Ingår i: Journal of Geophysical Research - Oceans. - 0148-0227 .- 2156-2202. ; 118:1, s. 410-421
  • Tidskriftsartikel (refereegranskat)abstract
    • The upper halocline of the Arctic Ocean has a distinct chemical signature with high nutrient concentrations as well as low oxygen and pH values. This signature is formed in the Chukchi and East Siberian Seas, by a combination of mineralization of organic matter and release of decay products to the sea ice brine enriched bottom water. Salinity and total alkalinity data show that the fraction of sea ice brine in the nutrient enriched upper halocline water in the central Arctic Ocean is up to 4%. In the East Siberian Sea the bottom waters with exceptional high nutrient concentration and low pH have typically between 5 and 10% of sea ice brine as computed from salinity and oxygen-18 values. On the continental slope, over bottom depths of 15-200 m, the brine contribution was 6% at the nutrient maximum depth (50-100 m). At the same location as well as over the deeper basin the silicate maximum was found over a wider salinity range than traditionally found in the Canada Basin, in agreement with earlier observations east of the Chukchi Plateau. A detailed evaluation of the chemical and the temperature-salinity properties suggests at least two different areas for the formation of the nutrient rich halocline within the East Siberian Sea. This has not been observed before 2004 and it could be a sign of a changing marine climate in the East Siberian Sea, caused by more open water in the summer season followed by more sea ice formation and brine production in the fall/winter.
  • Andersson, Frida, et al. (författare)
  • Geografi på den politiska agendan
  • 2008
  • Ingår i: Regionalpolitikens geografi: regional tillväxt i teori och praktik. - Lund : Studentlitteratur. - 978-91-44-01541-5 ; s. 285-292
  • Bokkapitel (övrigt vetenskapligt)
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