When persistent joint pain strikes, the search for answers often leads to a crucial diagnostic tool: the rheumatoid factor test. This relatively quick blood analysis serves as a window into the immune ...

A rheumatoid factor test measures the amount of rheumatoid factor in your blood. Rheumatoid factors are proteins produced by your immune system that can attack healthy tissue in your body. High levels ...

A rheumatoid factor test measures the amount of rheumatoid factor in your blood. Rheumatoid factors are proteins produced by your immune system that can attack healthy tissue in your body. High levels ...

September 7, 2012 — Elevated rheumatoid factor (RF) levels in healthy patients may be a strong predictor of future rheumatoid arthritis (RA), according to data from a prospective cohort study ...

Developed by Sebia, the new antibody test is a highly sensitive and specific biomarker, which detects autoantibodies against a mutated form of the vimentin protein in individuals who test negative for ...

Diagnosis of early-stage rheumatoid arthritis (RA) can be difficult, because many of the characteristic features of RA that existing diagnostic tools depend on do not develop until the late stages of ...