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- Gudmundsdottir, J. A., et al.
(författare)
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Normal neonatal TREC and KREC levels in early onset juvenile idiopathic arthritis
- 2023
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Ingår i: Clinical Immunology. - : Elsevier BV. - 1521-6616 .- 1521-7035. ; 249
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Tidskriftsartikel (refereegranskat)abstract
- Objective: Dysregulated central tolerance predisposes to autoimmune diseases. Reduced thymic output as well as compromised central B cell tolerance checkpoints have been proposed in the pathogenesis of juvenile idiopathic arthritis (JIA). The aim of this study was to investigate neonatal levels of T-cell receptor excision circles (TRECs) and kappa-deleting element excision circles (KRECs), as markers of T-and B-cell output at birth, in patients with early onset JIA.Methods: TRECs and KRECs were quantitated by multiplex qPCR from dried blood spots (DBS), collected 2-5 days after birth, in 156 children with early onset JIA and in 312 matched controls.Results: When analysed from neonatal dried blood spots, the median TREC level was 78 (IQR 55-113) in JIA cases and 88 (IQR 57-117) copies/well in controls. The median KREC level was 51 (IQR 35-69) and 53 (IQR 35-74) copies/well, in JIA cases and controls, respectively. Stratification by sex and age at disease onset did not reveal any difference in the levels of TRECs and KRECs.Conclusion: T-and B-cell output at birth, as measured by TREC and KREC levels in neonatal dried blood spots, does not differ in children with early onset JIA compared to controls.
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| 2. |
- Dimitrijevic Carlsson, Alexandra, 1966-, et al.
(författare)
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Juvenile idiopathic arthritis and the temporomandibular joint : a case-control study of magnetic resonance imaging findings in relation to clinical and psychosocial factors
- 2023
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Ingår i: European Journal of Paediatric Dentistry. - : Società Italiana di Odontoiatria Infantile. - 1591-996X .- 2035-648X. ; 24:1, s. 69-76
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Tidskriftsartikel (refereegranskat)abstract
- AimIn juvenile idiopathic arthritis (JIA), the temporomandibular joint (TMJ) is a particularly challenging joint to assess both clinically and with imaging. The aim of this article is to investigate TMJ magnetic resonance imaging (MRI) findings in relation to clinical and psychosocial factors in patients with JIA and healthy individuals related to TMJ arthritis in JIA.Material and methods In total, 45 patients (6–16 years) with JIA and 16 healthy age- and sex-matched controls were examined according to the diagnostic criteria for temporomandibular disorders (DC/TMD). The subjects answered questionnaires about psychosocial factors (pain intensity, pain-related disability, depression, stress, catastrophising, pain locations, and jaw function) and underwent bilateral MRI of the TMJ.ResultsThere were no significant differences between JIA patients and healthy individuals in any of the TMJ MRI findings. Moderate/severe changes among JIA patients were found only for effusion, synovial thickening, condylar flattening, and erosion, with no moderate/severe changes in healthy individuals. In JIA patients, orofacial pain intensity was related to TMJ bone marrow oedema, and pain in jaw muscles during jaw function was related to TMJ bone marrow oedema and erosion. There were no significant correlations between psychosocial aspects and MRI findings.ConclusionsThis study indicates a substantial overlap of TMJ MRI findings in both the inflammatory domain and the damage domain between JIA patients and healthy individuals. In JIA patients, the inflammatory MRI sign of bone marrow oedema seems to influence orofacial pain intensity.
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| 3. |
- Larsson, Lars, et al.
(författare)
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Introduction. Session VII: Ritual and Symbolic Behavior
- 2003
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Ingår i: Mesolithic on the move : papers presented at the Sixth International Conference on the Mesolithic in Europe, Stockholm 2000. - 1842170899 ; , s. 463-466
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Bokkapitel (övrigt vetenskapligt/konstnärligt)
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