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Interleukin-6 levels and their haplotypes are associated with serological autoantibodies status and clinical activity in rheumatoid arthritis. [PDF]

open access: yesFront Immunol
Flores-Castro MN   +7 more
europepmc   +1 more source
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Rheumatoid factor (RF) distribution in periodontal disease

Journal of Clinical Immunology, 1991
This study investigated the occurrence of an autoantibody, IgM rheumatoid factor, that may result from the chronic inflammation noted in periodontal disease and rheumatoid arthritis. In order to detect IgM-RF, a biotin-avidin ELISA was developed. This assay was found to be sensitive and accurate by testing a rheumatoid arthritis population.
J, Thé, J L, Ebersole
openaire   +2 more sources

Human IgG rheumatoid factors and RF-like immune complexes induce IgG1 rheumatoid factor production in mice.

Scandinavian journal of immunology, 1995
The synovial fluid of patients with rheumatoid arthritis (RA) was found to contain IgG and/or IgG-containing immune complexes (ICs) that stimulated an intense antibody formation when injected into mice of certain strains, notably of NZ background. The response was characterized by high and sustained levels of IgG1 antibodies with rheumatoid factor (RF)
M, Abedi-Valugerdi   +3 more
openaire   +2 more sources

Quality Control of Rheumatoid Factor (RF) Testing in Finland

Scandinavian Journal of Rheumatology, 1988
RF has been on the national laboratory quality control program since 1981. A pilot study had showed that most participants would be small laboratories performing qualitative slide latex tests only. Since we nevertheless wanted to be able to extrapolate test sensitivity data for each laboratory, we have sent out sets of 5-6 coded samples that in fact ...
R, von Essen, M V, Lehtinen
openaire   +2 more sources

Clinical relevance of IgA rheumatoid factor (RF) in children with juvenile rheumatoid arthritis

Rheumatology International, 1999
This study proposed to investigate the prevalence and clinical relevance of serum immunoglobulin A (IgA) rheumatoid factor (RF) in juvenile rheumatoid arthritis (JRA) as published reports vary in their conclusion. Sera of 82 children with JRA and 25-age and sex-matched healthy children were measured for IgA RF by an enzyme linked immunoassay using ...
A, Bharadwaj, A, Aggarwal, R, Misra
openaire   +2 more sources

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