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This conference was the third in a series focusing on developments in the therapy of rheumatoid arthritis (RA) and other rheumatic conditions with biologicals; in many ways, it was perhaps the best one so far. One…
Updated Oct 29, 2026
HealthData.Gov
Hypothalamic–pituitary–adrenal underactivity has been reported in rheumatoid arthritis (RA). This phenomenon has implications with regard to the pathogenesis and treatment of the disease. The present study was designed…
Updated Oct 29, 2026
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The biologically active metabolite of vitamin D3, 1α,25-dihydroxyvitamin D3 [1α,25(OH)2D3], acts through vitamin D receptors, which were found in rheumatoid tissues in the present study. IL-1β-activated rheumatoid…
Updated Oct 29, 2026
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Fibroblast biology: Synovial fibroblasts in rheumatoid arthritis - leading role or chorus line?
Updated Oct 29, 2026
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Association of MHC and rheumatoid arthritis: Why is rheumatoid arthritis associated with the MHC genetic region? An introduction
Updated Oct 29, 2026
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Acute-phase serum amyloid A (A-SAA) is a major component of the acute-phase response. A sustained acute-phase response in rheumatoid arthritis (RA) is associated with increased joint damage. A-SAA mRNA expression was…
Updated Oct 29, 2026
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CD8+ T cells dominate the lymphocyte population in synovial fluid in chronic inflammatory arthritis. It is known that these CD8+ T cells are often clonally or oligoclonally expanded, but their specificity and their…
Updated Oct 29, 2026
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The intricate interactions that regulate relationships between endogenous tissue cells and infiltrating immune cells in the rheumatic joint, particularly in rheumatoid arthritis (RA), were the subject of the meeting. A…
Updated Oct 29, 2026
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Normally the immune response is restricted to the peripheral secondary lymphoid organs. However, additional ectopic lymphoid tissue may develop at chronic sites of inflammation. In the synovium of rheumatoid arthritis…
Updated Oct 29, 2026
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A new autoantibody activity, which is almost 100% specific for rheumatoid arthritis (RA), has been found. The essential part of the B-cell epitope is a modified form of arginine (ie citrulline). The conversion of…
Updated Oct 29, 2026
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Mast cell (MC) activation in the rheumatoid lesion provides numerous mediators that contribute to inflammatory and degradative processes, especially at sites of cartilage erosion. MC activation in rheumatoid synovial…
Updated Oct 29, 2026
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Matrix metalloproteinase (MMP)-1, MMP-8 and MMP-13 are interstitial collagenases that degrade type II collagen in cartilage; this is a committed step in the progression of rheumatoid arthritis and osteoarthritis. Of…
Updated Oct 29, 2026
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Most patients with rheumatoid arthritis (RA) express HLA-DR4, HLA-DR1 or HLA-DR10. These alleles share a common amino acid motif in their third hypervariable regions: the shared epitope. In normals and patients with RA,…
Updated Oct 29, 2026
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Paired synovial tissue samples were obtained from both clinically uninvolved (CU) and clinically involved (CI) knee joints of eight rheumatoid arthritis (RA) patients. In addition, biopsies were taken from five control…
Updated Oct 29, 2026
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The present study was designed to analyze the level of B-cell clonal diversity in patients with rheumatoid arthritis by using HCDR3 (third complementarity determining region of the rearranged heavy chain variable region…
Updated Oct 29, 2026
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The origin and role of IL-17, a T-cell derived cytokine, in cartilage and bone destruction during rheumatoid arthritis (RA) remain to be clarified. In human ex vivo models, addition of IL-17 enhanced IL-6 production and…
Updated Oct 29, 2026
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Rheumatoid arthritis (RA) patients experience a markedly increased frequency of cardiovascular disease. We evaluated cardiovascular risk profiles in 79 RA patients and in 39 age-matched and sex-matched osteoarthritis…
Updated Oct 29, 2026
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The abundance and activation of macrophages in the inflamed synovial membrane/pannus significantly correlates with the severity of rheumatoid arthritis (RA). Although unlikely to be the 'initiators' of RA (if not as…
Updated Oct 29, 2026
HealthData.Gov
In the present study, we searched for mutant PTEN transcripts in aggressive rheumatoid arthritis synovial fibroblasts (RA-SF) and studied the expression of PTEN in RA. By automated sequencing, no evidence for the…
Updated Oct 29, 2026
HealthData.Gov
Bone-resorbing osteoclasts are formed from hemopoietic cells of the monocyte–macrophage lineage under the control of bone-forming osteoblasts. We have cloned an osteoblast-derived factor essential for…
Updated Oct 29, 2026