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  • 1
    Electronic Resource
    Electronic Resource
    Does the serum level of IgA-alpha-1-antitrypsin complex correlate with radiological progression in early rheumatoid arthritis? A 3-year follow-up study (1995)
    Springer
    Rheumatology international 14 (1995), S. 227-230 
    Details
    ISSN: 1437-160X
    Keywords: Early rheumatoid arthritis ; IgA-alpha-1-antitrypsin complex ; Radiological deterioration
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We followed the levels of serum IgA-alpha-1-antitrypsin (IgA-AT) complex in 37 patients with early rheumatoid arthritis (RA) during the first 3 years of the disease. The changes in IgA-AT were correlated with a radiological damage score (DS) of the hands assessed according to Larsen. At the onset of the disease, the IgA-AT serum concentration was significantly higher as compared to the control group (0.72±0.22 U vs 0.29±0.14 U, P〈0.01). The level significantly decreased during the 3-year observation period. The DS was significantly higher after 3 years. However, this difference was due to changes in only 11 patients; in 26 patients the DS was almost unchanged. In the group of 11 patients with radiological progression, the level of IgA-AT either remained high or increased significantly (0.95±0.18 U at the onset, 0.97±0.25 U after 3 years), whereas we observed a decrease in IgA-AT in 26 patients without radiological progression (0.63±0.16 U at the onset of the disease, 0.45±0.10 U after 3 years, P〈0.01). Moreover, a relationship between changes in IgA-AT serum level and radiological progression was shown (r=0.60, P〈0.01). Our studies suggested that the relationship between IgA-AT level and radiological progression of the disease should be considered. We cannot exclude the possibility that the constant high level of IgA-AT may cause worsening in bone erosions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00262087
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  • 2
    Electronic Resource
    Electronic Resource
    The effect of intravenous cyclophosphamide pulse on peripheral blood lymphocytes in lupus erythematosus patients (1997)
    Springer
    Rheumatology international 17 (1997), S. 55-60 
    Details
    ISSN: 1437-160X
    Keywords: Key words Lupus erythematosus ; Cyclophosphamide ; Lymphocytes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In the present study we investigated the long-term effect of intravenous pulse cyclophosphamide (CY) on lymphocyte surface antigens in systemic lupus erythematosus (SLE) patients. Blood samples derived from 17 lupus erythematosus patients were analysed using two- and three-colour flow cytometry. During the CY therapy, the total number of T lymphocytes (CD3+) was reduced by 31.4%, B lymphocytes (CD19+) by 67.4% and NK cells (CD16+) by 27.4%. Six months after the end of the CY regimen, these values recovered to entry levels. At the onset of the study we observed increased percentages of CD3+ CD25+, CD3+ CD4– CD8–, CD4+ CD29+, CD19+ and CD19+ CD5+ cells. The CY treatment regimen decreased the CD3+ CD25+, CD3+ CD4– CD8–, CD19+ and CD19+ CD5+ cells, but increased the CD3+ CD8+ subpopulation. Taken together, a deficiency of CD8+ T cells associated with CD4+ CD29+ predominance may imply an immune regulatory imbalance leading to abnormal CD4+ cell activation and in consequence to autoimmunity. Depletion of CD19+ cells combined with an enlargement of CD8 cells as a result of CY therapy may reduce the enhanced immune response in SLE patients.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/PL00006852
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  • 3
    Electronic Resource
    Electronic Resource
    Interleukin-10 and interleukin-6 in lupus erythematosus and rheumatoid arthritis, correlations with acute phase proteins (1997)
    Springer
    Clinical rheumatology 16 (1997), S. 275-278 
    Details
    ISSN: 1434-9949
    Keywords: Systemic Lupus Erythematosus ; Rheumatoid Arthritis ; Interleukin-10 ; Interleukin-6 ; Acute Phase Proteins
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary We sought to investigate the influence of interleukin-10 (IL10) and IL-6 on the acute phase proteins (APP) in systemic lupus erythematosus (SLE) and rheumatoid arthritis (RA). IL-10, IL-6, Creative protein (CRP), alpha-1-acid glycoprotein (AGP), and alpha1 antichymotrypsin (ACT) serum levels were determined in one hundred-eight patients (71 with SLE, 37 with RA). Quantification of the serum IL-10 level showed increased levels in SLE and RA patients as compared to healthy controls. Serum IL-6 level was found to be elevated in SLE and RA patients. A correlation between IL-10 and IL-6 serum level was found only in SLE. CRP and AGP serum levels were increased in RA as compared to controls, whereas in SLE only AGP was found elevated. A statistically significant correlation between IL-6 serum level and CRP, AGP and ACT was found only in RA. No correlation between IL-10 and serum level of CRP, AGP and ACT was established. Since IL-10 has a potent immunosuppressive activity, we expected it to be negatively correlated with APP levels. Surprisingly, IL-10 did not correlate with APP either in SLE or RA patients. However, the elevation of IL-10 serum levels in SLE and RA and the correlation between IL-10 and IL-6 in SLE may suggest that IL-10 may play a central role in inflammatory connective tissue diseases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02238963
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    Paper (German National Licenses)
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