Rheumatoid factor (RF) levels above a normal range can indicate autoimmune conditions, such as rheumatoid arthritis (RA). Rheumatoid factor (RF) is an immune system protein that attacks healthy cells.

a National Public Health Institute, Helsinki, Finland, b Social Insurance Institution, Research and Development Centre, Turku, Finland BACKGROUND Recent epidemiological studies have suggested that ...

and rheumatoid factor (RF) levels in RA has yet been clear, especially in relation to shared epitope (SE) alleles. Methods A total of 6239 subjects, the largest Asian study ever, from two independent ...

Multiple logistic regression analysis revealed that male gender, cigarette smoking, occupational exposure to dust, high ILD score, high rheumatoid factor (RF) titers, and the presence of anti-SSA were ...

The following is a summary of “Dual seropositive nonerosive lupus arthritis: rhupus or not?” published in the February 2025 ...

Explore how tumor necrosis factor inhibitors (TNFis) may reduce cardiovascular risks in patients with inflammatory arthritis, ...

Your healthcare provider may also conduct blood tests to see if you have certain biomarkers (biological signs) for RA or inflammation, including rheumatoid factor, anti-citrullinated protein ...

and the genetic and environmental risk factors for the major disease subtypes (rheumatoid-factor-positive, rheumatoid-factor- negative, positive for antibodies tthat bind cyclic citrullinated ...

Each patient was also genotyped for markers in the HLA region and tested for two hallmarks of the disease: rheumatoid factor (RF) and antibodies to cyclic citrullinated peptides (CCP). Comparisons ...

Researchers’ understanding of the pathogenesis of rheumatoid arthritis has grown considerably in recent years, laying the ...

In a ground-breaking revelation, Dr Tamiko Katsumoto, a renowned rheumatology and immunology expert from Stanford University, ...

Clinical and Radiographic Outcomes of Four Different Treatment Strategies in Patients With Early Rheumatoid Arthritis (the Best Study): A Randomized, Controlled Trialfrom Arthritis & Rheumatism.