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1.
  • Erlandsson, Malin, 1972, et al. (creator_code:aut_t)
  • Survivin improves the early recognition of rheumatoid arthritis among patients with arthralgia : A population-based study within two university cities of Sweden
  • 2018
  • record:In_t: Seminars in Arthritis & Rheumatism. - : Saunders Elsevier. - 0049-0172 .- 1532-866X. ; 47:6, s. 778-785
  • swepub:Mat_researchreview_t (swepub:level_refereed_t)abstract
    • Objectives: The aim of this study was to validate the use of survivin for preclinical recognition of rheumatoid arthritis (RA) among patients with unexplained arthralgia.Methods: Serum levels of survivin and the arthritis-specific autoantibodies RF and ACPA were measured in total of 5046 patients with musculoskeletal complains during 12 consecutive months in Gothenburg and in Umea. Among them, 303 arthralgia patients were identified and prospectively followed.Results: After 48 months, 12.2% of the arthralgia patients developed RA. Most of RA cases had high serum survivin, which increased the relative risk for RA (RR = 5.90,p = 3 x 10(-7)). Combination of survivin with autoantibodies was present in only 4.6% of the arthralgia patients and increased further the risk of RA and shortened time to RA development. Presence of any single autoantibody in the survivin-negative patients was associated with a minor risk for RA and had RA-free survival similar to the reference group.Conclusion: This study shows that measurement of survivin in serum improves estimation of RA risk and prospectively predicts RA development in patients with arthralgia. Survivin may indicate a phase preceding autoantibody production. 
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2.
  • Forsgren, Sture, et al. (creator_code:aut_t)
  • Measurements in the Blood of BDNF for RA Patients and in Response to Anti-TNF Treatment Help Us to Clarify the Magnitude of Centrally Related Pain and to Explain the Relief of This Pain upon Treatment
  • 2011
  • record:In_t: International Journal of Inflammation. - : Sage-Hindawi. - 2090-8040 .- 2042-0099. ; 2011, s. 650685-
  • swepub:Mat_researchreview_t (swepub:level_refereed_t)abstract
    • Brain-derived neurotrophic factor (BDNF) is a neurotrophin with functions related to neuronal survival/proliferation processes and inflammation. BDNF is also an important central pain mediator. The levels of BDNF have been found to be high for RA patients with severe disease and to become lowered in response to anti-TNF treatment. New information says that the levels of BDNF in the blood parallel the BDNF concentrations in the brain and that BDNF can pass the blood-brain barrier. Furthermore, most of the circulating BDNF is produced in the brain. Habitual and regular exercise, in contrast to temporary exercise, does also lead to a lowering of BDNF blood levels. Both anti-TNF treatment and habitual and regular exercise do have pain-relieving effects. It might be that the pain-relieving effect of anti-TNF treatment is related to an affection of central neuronal regions, hereby influencing BDNF production. Measurements of BDNF in the blood help us to clarify the magnitude of centrally related pain for RA patients and help us to explain the relief of this pain in response to anti-TNF treatment.
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3.
  • Jönsen, Andreas, et al. (creator_code:aut_t)
  • Direct and indirect costs for systemic lupus erythematosus in Sweden. A nationwide health economic study based on five defined cohorts
  • 2016
  • record:In_t: Seminars in Arthritis & Rheumatism. - : Elsevier BV. - 0049-0172 .- 1532-866X. ; 45:6, s. 684-690
  • swepub:Mat_researchreview_t (swepub:level_refereed_t)abstract
    • Objectives: The main objectives of this study were to calculate total costs of illness and cost -driving disease features among patients with systemic lupus erythematosus (SLE) in Sweden. Methods: Five cohorts of well-defined SLE patients, located in different parts of the country were merged. Incident and prevalent cases from 2003 through 2010 were included. The American College of Rheumatology (ACR) classification criteria was used. From the local cohorts, data on demographics, disease activity (SLEDAI 2K), and organ damage (SDI) were collected. Costs for inpatient care, specialist outpatient care and drugs were retrieved from national registries at the National Board of Health and Welfare. Indirect costs were calculated based on sickness leave and disability pensions from the Swedish Social Insurance Agency. Results: In total, 1029 SLE patients, 88% females, were included, and approximately 75% were below 65 years at the end of follow-up, and thus in working age. The mean number of annual specialist physician visits varied from six to seven; mean annual inpatient days were 3.1-3.6, and mean annual sick leave was 123-148 days, all per patient. The total annual cost was 208,555 SEK ($33,369 = 22,941(sic)), of which direct cost was 63,672kr ($10,188 = 7004(sic)) and the indirect cost was 144,883 SEK ($23,181 = 15,937(sic)), all per patient. The costs for patients with short disease duration were higher. Higher disease activity as measured by a SLEDAI 2K score > 3 was associated with approximately 50% increase in both indirect and direct costs. Damage in the neuropsychiatric and musculoskeletal domains were also linked to higher direct and indirect costs, while organ damage in the renal and ocular systems increased direct costs. Conclusion: Based on this study and an estimate of slightly more than 6000 SLE patients in Sweden, the total annual cost for SLE in the country is estimated at $188 million (= 129.5 million (sic)). Both direct (30%) and indirect costs (70%) are substantial. Medication accounts for less than 10% of the total cost. The tax paid national systems for health care and social security in Sweden ensure equal access to health care, sick leave reimbursements, and disability pensions nationwide. Our extrapolated annual costs for SLE in Sweden are therefore the best supported estimations thus far, and they clearly underline the importance of improved management, especially to reduce the indirect costs. (C) 2016 Elsevier Inc. All rights reserved.
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4.
  • Rantapää-Dahlqvist, Solbritt, 1947- (creator_code:aut_t)
  • What happens before the onset of rheumatoid arthritis?
  • 2009
  • record:In_t: Current Opinion in Rheumatology. - : Lippincott Williams & Wilkins, Inc. - 1040-8711 .- 1531-6963. ; 21:3, s. 272-278
  • swepub:Mat_researchreview_t (swepub:level_refereed_t)abstract
    • PURPOSE OF REVIEW: To give an overview of publications on presence of autoantibodies, rheumatoid factor and anticitrullinated protein/peptide antibodies (ACPAs) and their relationships to genetic markers and soluble factors as indicators of immune activation and identified predating the onset of symptoms of rheumatoid arthritis (RA). RECENT FINDINGS: The development during recent years concerning autoantibodies with high specificity for RA, ACPAs, has confirmed previous findings of presence of autoantibodies, such as rheumatoid factors and antikeratin antibodies, years before disease onset. Particularly, ACPAs in combination with human leukocyte antigen-shared epitope alleles and PTPN22 1858T carriage increased the relative risks of developing RA compared with not having these factors. Both shared epitope alleles and 1858T variant seemed to contribute to development of ACPAs rather than independently contribute to RA. Soluble factors such as hypersensitive C-reactive protein, cytokines, cytokine receptors and chemokines are upregulated before disease onset, though, not as long antedating time as ACPAs and rheumatoid factors. SUMMARY: Presence of ACPAs and rheumatoid factors are present several years before disease onset suggesting a gradual process leading to the development of RA. Genetic markers such as shared epitope alleles and PTPN22 1858T variant increase the relative risk for disease development. Soluble immunological markers are also increased closer to the onset of symptoms indicating activation of the immune system.
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5.
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6.
  • Wang, Ning, et al. (creator_code:aut_t)
  • Selective IgA deficiency in autoimmune diseases
  • 2011
  • record:In_t: Molecular Medicine. - Baltimore, Md. : Johns Hopkins University Press. - 1076-1551 .- 1528-3658. ; 17:11-12, s. 1383-
  • swepub:Mat_researchreview_t (swepub:level_refereed_t)abstract
    • Selective IgA deficiency (IgAD) is the most common primary immunodeficiency in Caucasians. It has previously been suggested to be associated with a variety of concomitant autoimmune diseases. In this review, we present data on the prevalence of IgAD in patients with Graves' disease (GD), systemic lupus erythematosus (SLE), type 1 diabetes (T1D), celiac disease (CD), myasthenia gravis (MG) and rheumatoid arthritis (RA) based both on our own, recent, large scale screening results and literature data. Genetic factors are important for the development of both IgAD and various autoimmune disorders, including GD, SLE, T1D, CD, MG and RA, and a strong association with the MHC region has been reported. In addition, non-MHC genes, such as IFIH1 and CLEC16A, are also associated with the development of IgAD and some of the above diseases. This indicates a possible common genetic background. In this review, we present suggestive evidence for a shared genetic predisposition between these disorders.
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