an induced expression of class ii transplantation antigens is seen on synovial cells in human arthritides such as rheumatoid arthritis ( ra ) and ankylosing spondylitis ( as ) as well as in some experimental animal models for arthritis , i.e . in collagen arthritis in mice and rats and in adjuvant arthritis in rats .
C0003873
rheumatoid arthritis
C0003864
arthritis