Interdukin-13 In Rheumatoid Arthritis Disease: Relationsip With The Clinial Picture, The Disease Activity And The Auto Antibody Profile

The aim of this study: 1. To compare serum and synovial IL-13 levels in patients with rheumatoid arthritis and healthy control group. 2. To correlate IL-13 level with clinical picture and disease activity using disease activity score by {Van Der Heigde et al., 1990} 3. To correlate IL-13 level with the autoantibody profile {RF , ANA}.