| 31. |
- Nguyen, Yann, et al.
(författare)
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Association Between Severe Nonadherence to Hydroxychloroquine and Systemic Lupus Erythematosus Flares, Damage, and Mortality in 660 Patients From the SLICC Inception Cohort
- 2023
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Ingår i: Arthritis and Rheumatology. - 2326-5191. ; 75:12, s. 2195-2206
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Tidskriftsartikel (refereegranskat)abstract
- Objective: The goals of this study were to assess the associations of severe nonadherence to hydroxychloroquine (HCQ), objectively assessed by HCQ serum levels, and risks of systemic lupus erythematosus (SLE) flares, damage, and mortality rates over five years of follow-up. Methods: The Systemic Lupus International Collaborating Clinics (SLICC) Inception Cohort is an international multicenter initiative (33 centers throughout 11 countries). The serum of patients prescribed HCQ for at least three months at enrollment were analyzed. Severe nonadherence was defined by a serum HCQ level <106 ng/mL or <53 ng/mL for HCQ doses of 400 or 200 mg/day, respectively. Associations with the risk of a flare (defined as a Systemic Lupus Erythematosus Disease Activity Index 2000 increase ≥4 points, initiation of prednisone or immunosuppressive drugs, or new renal involvement) were studied with logistic regression, and associations with damage (first SLICC/American College of Rheumatology Damage Index [SDI] increase ≥1 point) and mortality with separate Cox proportional hazard models. Results: Of the 1,849 cohort participants, 660 patients (88% women) were included. Median (interquartile range) serum HCQ was 388 ng/mL (244–566); 48 patients (7.3%) had severe HCQ nonadherence. No covariates were clearly associated with severe nonadherence, which was, however, independently associated with both flare (odds ratio 3.38; 95% confidence interval [CI] 1.80–6.42) and an increase in the SDI within each of the first three years (hazard ratio [HR] 1.92 at three years; 95% CI 1.05–3.50). Eleven patients died within five years, including 3 with severe nonadherence (crude HR 5.41; 95% CI 1.43–20.39). Conclusion: Severe nonadherence was independently associated with the risks of an SLE flare in the following year, early damage, and five-year mortality. (Figure presented.).
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| 32. |
- Nielsen, Christoffer T, et al.
(författare)
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Increased IgG on cell-derived plasma microparticles in systemic lupus erythematosus is associated with autoantibodies and complement activation.
- 2012
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Ingår i: Arthritis and Rheumatism. - : Wiley. - 1529-0131 .- 0004-3591. ; 64:4, s. 1227-1236
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVE.: To quantify immunoglobulin and C1q on circulating cell-derived microparticles (MPs) in systemic lupus erythematosus (SLE) and to correlate this with clinical and serological parameters. METHODS.: Sixty-eight clinically well-characterized SLE patients, 38 healthy controls (HC), 6 systemic sclerosis (SSc), and 6 rheumatoid arthritis (RA) patients were included. The numbers of annexin V-binding MPs displaying IgG, IgM or C1q were enumerated by flow cytometry. MP protein levels were determined by mass spectrometry in clinically defined subsets of SLE patients and controls. The MP-IgG load was determined by flow cytometry of all SLE and HC samples. RESULTS.: SLE patients had significantly increased total and relative numbers of IgG-positive MPs (p = 0.0004) with a much higher average IgG-load/MP (p < 0.0001) than HCs. Quantitative mass spectrometry of purified MPs verified significantly increased IgG, IgM, and C1q in SLE. In RA and SSc the average IgG/MP was significantly lower than in SLE (p = 0.006 and 0.05, respectively). Also, IgM/MP and C1q/MP were higher in SLE than in controls (p < 0.05) except for IgM in the RA-group. IgG-positive MPs were significantly associated with the presence of anti-dsDNA, anti-ENA, and anti-histone antibodies, with total IgG, and with decreased leukocyte counts. Average IgG/MP was associated with lower concentrations of MPs, the presence of anti-C1q antibodies, and with complement consumption. CONCLUSIONS.: Circulating cell-derived MPs in SLE carry increased loads of IgG, IgM, and C1q and IgG-MPs are associated with autoantibodies and complement activation. The findings link immunological reactions on MPs with the etiopathology of SLE. © 2012 American College of Rheumatology.
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| 33. |
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| 34. |
- Oddsson, Asmundur, et al.
(författare)
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Deficit of homozygosity among 1.52 million individuals and genetic causes of recessive lethality
- 2023
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Ingår i: Nature Communications. - : Springer Nature. - 2041-1723. ; 14:1
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Tidskriftsartikel (refereegranskat)abstract
- Genotypes causing pregnancy loss and perinatal mortality are depleted among living individuals and are therefore difficult to find. To explore genetic causes of recessive lethality, we searched for sequence variants with deficit of homozygosity among 1.52 million individuals from six European populations. In this study, we identified 25 genes harboring protein-altering sequence variants with a strong deficit of homozygosity (10% or less of predicted homozygotes). Sequence variants in 12 of the genes cause Mendelian disease under a recessive mode of inheritance, two under a dominant mode, but variants in the remaining 11 have not been reported to cause disease. Sequence variants with a strong deficit of homozygosity are over-represented among genes essential for growth of human cell lines and genes orthologous to mouse genes known to affect viability. The function of these genes gives insight into the genetics of intrauterine lethality. We also identified 1077 genes with homozygous predicted loss-of-function genotypes not previously described, bringing the total set of genes completely knocked out in humans to 4785.
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| 35. |
- Petersen, Jesper, et al.
(författare)
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Indvandrerkvinden og hendes mand
- 2017
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Ingår i: Islam i Medierne. - 9788761685391 ; , s. 72-79
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Bokkapitel (övrigt vetenskapligt/konstnärligt)
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| 36. |
- Petersen, Jesper, et al.
(författare)
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Koranen er ikke muslimernes bibel
- 2017
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Ingår i: Islam i Medierne. - 9788761685391 ; , s. 33-35
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Bokkapitel (övrigt vetenskapligt/konstnärligt)
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| 37. |
- Petersen, Jesper, et al.
(författare)
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Shariaråd i Europa
- 2017
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Ingår i: Islam i Medierne. - 9788761685391 ; , s. 104-111
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Bokkapitel (övrigt vetenskapligt/konstnärligt)
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| 38. |
- Petersen, Jesper, et al.
(författare)
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Terror og radikalisering
- 2017
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Ingår i: Islam i Medierne. - 9788761685391 ; , s. 89-95
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Bokkapitel (övrigt vetenskapligt/konstnärligt)
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| 39. |
- Petersen, Jesper, et al.
(författare)
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Tolkning af tørklædet som symbol
- 2017
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Ingår i: Islam i Medierne. - 9788761685391 ; , s. 22-27
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Bokkapitel (övrigt vetenskapligt/konstnärligt)
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| 40. |
- Petri, Michelle, et al.
(författare)
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Comparison of the 2019 European Alliance of Associations for Rheumatology/American College of Rheumatology Systemic Lupus Erythematosus Classification Criteria With Two Sets of Earlier Systemic Lupus Erythematosus Classification Criteria
- 2021
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Ingår i: Arthritis Care and Research. - : Wiley. - 2151-464X .- 2151-4658. ; 73:9, s. 1231-1235
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Tidskriftsartikel (refereegranskat)abstract
- Objective: The Systemic Lupus International Collaborating Clinics (SLICC) 2012 systemic lupus erythematosus (SLE) classification criteria and the revised American College of Rheumatology (ACR) 1997 criteria are list based, counting each SLE manifestation equally. We derived a classification rule based on giving variable weights to the SLICC criteria and compared its performance to the revised ACR 1997, the unweighted SLICC 2012, and the newly reported European Alliance of Associations for Rheumatology (EULAR)/ACR 2019 criteria sets. Methods: The physician-rated patient scenarios used to develop the SLICC 2012 classification criteria were reemployed to devise a new weighted classification rule using multiple linear regression. The performance of the rule was evaluated on an independent set of expert-diagnosed patient scenarios and compared to the performance of the previously reported classification rules. Results: The weighted SLICC criteria and the EULAR/ACR 2019 criteria had less sensitivity but better specificity compared to the list-based revised ACR 1997 and SLICC 2012 classification criteria. There were no statistically significant differences between any pair of rules with respect to overall agreement with the physician diagnosis. Conclusion: The 2 new weighted classification rules did not perform better than the existing list-based rules in terms of overall agreement on a data set originally generated to assess the SLICC criteria. Given the added complexity of summing weights, researchers may prefer the unweighted SLICC criteria. However, the performance of a classification rule will always depend on the populations from which the cases and non-cases are derived and whether the goal is to prioritize sensitivity or specificity.
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