Angiogenesis immunostaining in the synovial membrane. A-D, Representative sections of synovial membranes stained with a monoclonal to CD31 antibody from healthy rabbits (A), high fat diet (HFD) rabbits (B), chronic antigen induced arthritis (AIA) rabbits (C) and HFD + AIA rabbits (D), original magnifications x100, scale bar = 100 µm. E, Semi-quantification of CD31-positive vascularization in the synovium of each group of animals. Bars show the mean and SEM (n = 7 to 9 rabbits per group).
Prieto-Potín et al. Arthritis Research & Therapy 2013 15:R81 doi:10.1186/ar4261