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Träfflista för sökning "L773:0315 162X OR L773:1499 2752 ;pers:(Heinegård Dick)"

Sökning: L773:0315 162X OR L773:1499 2752 > Heinegård Dick

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1.
  • Happonen, Kaisa, et al. (författare)
  • COMP-C3b Complexes in Rheumatoid Arthritis with Severe Extraarticular Manifestations
  • 2013
  • Ingår i: Journal of Rheumatology. - : The Journal of Rheumatology. - 0315-162X .- 1499-2752. ; 40:12, s. 2001-2005
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective. To investigate biomarker patterns in rheumatoid arthritis (RA) with extraarticular manifestations. Methods. Cartilage oligomeric matrix protein (COMP), COMP-C3b, and soluble terminal complement complexes (sTCC) were measured by ELISA. Results. COMP-C3b levels were higher in patients with RA than in healthy controls and lower in extraarticular RA (ExRA) than in RA controls. In patients with ExRA, sTCC levels were higher than in RA controls, and correlated inversely with serum COMP-C3b levels in the ExRA group. Conclusion. Patients with ExRA had lower levels of COMP-C3b. This may be a consequence of complement consumption or a lower potential for COMP from these patients to activate complement.
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2.
  • Geborek, Pierre, et al. (författare)
  • Measurement of synovial fluid volume using albumin dilution upon intraarticular saline injection
  • 1988
  • Ingår i: Journal of Rheumatology. - 0315-162X. ; 15:1, s. 91-94
  • Tidskriftsartikel (refereegranskat)abstract
    • A simple method for measuring synovial fluid (SF) volume is described. The degree of dilution of SF albumin after intraarticular injection of a defined volume of saline was used to calculate residual SF volume. Good correlation between calculated and aspirated SF volume was found for knee joint exudates. The method is simple, requires no radioactive tracer and should be useful in quantitative studies involving SF pathophysiology. Interestingly, the major portion of the SF could be directly aspirated, since residual volumes were small in comparison.
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3.
  • Heinegård, Dick, et al. (författare)
  • Cartilage proteoglycans in degenerative joint disease.
  • 1987
  • Ingår i: Journal of Rheumatology. - 0315-162X. ; 14 (suppl 14):SPEC.NO., s. 110-112
  • Tidskriftsartikel (refereegranskat)abstract
    • Cartilage content of proteoglycans decreases early in induced degenerative hip joint disease. Remaining molecules show structural changes indicating fragmentation. Fragments lost from the articular cartilage are released to the synovial fluid, where they can be quantified by enzyme linked immunosorbent assay. Their amounts are related to the activity of the disease process.
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4.
  • Maksymowych, Walter P., et al. (författare)
  • Development of draft validation criteria for a soluble biomarker to be regarded as a valid biomarker reflecting structural damage endpoints in rheumatoid arthritis and spondyloarthritis clinical trials
  • 2007
  • Ingår i: Journal of Rheumatology. - 0315-162X. ; 34:3, s. 634-640
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective. Recent work has shown that several soluble biomarkers, detectable in peripheral blood, synovial fluid, and/or urine, reflect remodeling of joint tissues and may therefore constitute outcome measures that reflect joint damage. Consequently, it is now desirable to begin the process of developing criteria for validation of a soluble biomarker as an outcome measure reflecting structural damage progression in trials of disease-modifying therapies for rheumatoid arthritis (RA) and spondyloarthritis (SpA). Our objective was to develop validation criteria for a soluble biomarker to be regarded as a valid biomarker reflecting radiological endpoints in RA and SpA clinical trials. Methods. A special interest group was established comprising investigators with expertise in soluble biomarker assay development as well as in outcomes research. This project was initiated by means of a Delphi consensus exercise. A list of draft criteria was first generated following a review of a US National Institutes of Health (NIH) 2000 white paper (available at: http://www.niams.nih.gov/ne/oi/ oabiomarwhipap.htm) that focused on biomarkers in OA, and these were organized under subject headings relevant to the OMERACT filter: truth, discrimination, and feasibility. Additional criteria were solicited from the working group. This was followed by 3 rounds of voting. Results. A list of 31 criteria was generated prior to voting. The first 2 rounds of voting resulted in cumulative agreement that 19 criteria be retained and 4 discarded, while discrepancies were recorded for 8 criteria. In the third round of voting, cumulative agreement was achieved to retain 5 of the 8 discrepant criteria, so that the final list included 24 criteria. Conclusion. A draft set of criteria for validation of a soluble biomarker to be regarded as reflecting radiological damage endpoints in clinical trials has been proposed on the basis of consensus.
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5.
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6.
  • Saxne, Tore, et al. (författare)
  • Matrix proteins: Potentials as body fluid markers of changes in the metabolism of cartilage and bone in arthritis
  • 1995
  • Ingår i: Journal of Rheumatology. - 0315-162X. ; 22 (suppl 43), s. 71-74
  • Tidskriftsartikel (refereegranskat)abstract
    • Altered dynamics of cartilage and bone matrix in joint diseases results in increased release of macromolecules into synovial fluid (SF). Such macromolecules are increasingly explored as potential markers of damage and severity. This report focuses on the possibilities of using quantification of tissue specific markers for grading the tissue lesion at the molecular level in arthritis. The theoretical and experimental rationale for such an approach is supported by the results in clinical studies. These studies indicate that simultaneous analysis of multiple cartilage and bone markers in the same SF or serum sample could be useful for defining degree of tissue involvement in rheumatoid arthritis and, possibly, in osteoarthritis.
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  • Resultat 1-6 av 6

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