Expression of chemerin in rheumatoid arthritis and osteoarthritis synovial tissue samples. Chemerin expression in synovial tissue samples obtained from five RA patients (A) and three OA patients (B) examined by immunohistochemistry. All sections were counterstained with hematoxylin. OA = osteoarthritis; RA = rheumatoid arthritis.
Kaneko et al. Arthritis Research & Therapy 2011 13:R158 doi:10.1186/ar3475