Fig. 2From: Glycation marker glucosepane increases with the progression of osteoarthritis and correlates with morphological and functional changes of cartilage in vivoRepresentative pictures of medial compartment of right guinea pig knees of each group over time. Safranin-O/Fast Green/hematoxylin staining, 4 × magnification. W4–W36 (week 4 – week 6) inset indicates the age of the guinea pig donor analyzedBack to article page