Rheumatoid factors and anticyclic citrullinated peptide antibodies in pediatric rheumatology

Reema H. Syed, Brooke E. Gilliam, Terry L. Moore

Research output: Contribution to journalReview articlepeer-review

34 Scopus citations


Juvenile idiopathic arthritis (JIA) is a heterogenous childhood disease without reliable biomarkers for monitoring disease progression. Immunoglobulin (Ig) M rheumatoid factor (RF) is used to define a subset of JIA patients, but its significance in JIA is dependent on the method of measurement. In addition to IgM RF, IgA RF has been implicated in determining disease severity in JIA, including functional disability and joint damage. Anticyclic citrullinated peptide (anti-CCP) antibodies have been a valuable diagnostic tool in rheumatoid arthritis, with varied results in their significance in JIA patients. Recent studies have demonstrated the possible usefulness of isotypes of anti-CCP antibodies in monitoring JIA patients to determine disease outcome. Overall, RF isotypes and anti-CCP isotypic antibodies have demonstrated increasing importance in the evaluation of JIA patients to determine which patients may have more aggressive or severe disease and to aid in possible treatment plans to prevent joint damage and disability.

Original languageEnglish
Pages (from-to)156-163
Number of pages8
JournalCurrent rheumatology reports
Issue number2
StatePublished - Apr 1 2008


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