#ACR22 Abs 0256 identified different autoantibodies in ACPA+ and ACPA– RA. Study shows potential utility of serum autoantibodies as diagnostic targets for RA subgroups & treatments. This study reminds me of @RheumNow teaching that not all RA created equal.
Patients with ACPA-positive and ACPA-negative Rheumatoid Arthritis Show Different Circulating Auto-antibody Repertoires - ACR Meeting Abstracts


