Figure 6From: Down-regulation of transforming growth factor beta-2 expression is associated with the reduction of cyclosporin induced gingival overgrowth in rats treated with roxithromycin: an experimental study Representative samples indicated elevated expression of TGF-beta2 in cells of connective tissue (groups 2 and 3); C: Light TGF-beta2 stained cells in group 4. Red arrows - negative staining cells. Blue arrows: positive staining cells. Original magnificance 400×.Back to article page