What is the name of the antibodies used as biomarkers for rheumatoid arthritis, being present before clinical signs of the illness, and which also may be involved in provocation of the illness?

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Rheumatoid factors (RF) are antibodies found in the blood of most people with rheumatoid arthritis. They are used as biomarkers for the disease, often being present before the clinical signs of the illness become apparent, and are thought to be involved in the provocation of the illness.

What Is the Name of the Antibodies Used as Biomarkers