rheumatoid factor

(redirected from rheumatoid factors)
Also found in: Thesaurus, Medical, Encyclopedia.
Related to rheumatoid factors: RF test

rheumatoid factor

n.
Any of several immunoglobulins that are found in the blood serum of many individuals with rheumatoid arthritis and in some individuals with other inflammatory diseases. A test for one or more of these factors is used in diagnosing rheumatoid arthritis.

rheu′matoid fac`tor


n.
an antibody that is found in the blood of many persons afflicted with rheumatoid arthritis and that reacts against globulins in the blood.
[1945–50]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.rheumatoid factor - autoantibody that is usually present in the serum of people with rheumatoid arthritis
autoantibody - an antibody acting against tissues of the organism that produces it
Mentioned in ?
References in periodicals archive ?
Recent crystallographic studies also showed that rheumatoid factors recognize IgGs ready to react with Fc receptors.
Rheumatoid factors and their disappearance following therapy in patients with subacute bacterial endocarditis.
Diagnostic tests for rheumatoid arthritis: comparison of anti-cyclic citrullinated peptide antibodies, anti-keratin antibodies and IgM rheumatoid factors.
Interferences from rheumatoid factors or human anti-mouse antibodies, the so-called "heterophilic antibodies" (HAs), which can mimic troponin by linking the capture and detector antibodies, have been reported.
Related to these are rheumatoid factors, which are IgM anti-immunoglobulin antibodies and often present in serum at detectable concentrations in patients with autoimmune diseases (12 ).
Evidence for a subset of rheumatoid factors that cross-react with DNA histone and have a distinct cross-idiotype.
Diagnostic tests for rheumatoid arthritis: comparision of anti-cyclic citrullinated petide antibodies, antikeratin antibodies and IgM rheumatoid factors.
Incidence of serum rheumatoid factors in elder non-rheumatic individuals.
Association of anti-cyclic citrullinated peptide antibodies, anti-citrullin antibodies, and IgM and IgA rheumatoid factors with serological parameters of disease activity in rheumatoid arthritis.
8 Mart Mannik had earlier found that some 7s IgG rheumatoid factors self-aggregate to form larger immune complexes via hydrophobic interactions to become trapped within the synovial tissue.