Figure 4. Comparison of the expression of CD31, CD34, and IL-6 in rat kidneys. Data are expressed as means ± standard deviation, IOD / area of CD31, CD34, and IL-6: integrated optical density value per unit area of CD31, CD34, and IL-6. (A) CD31, * P <0.05 vs control; (B) CD34, * P <0.05 vs control; (C) IL-6, * P <0.05 vs control, #P <0.05 vs CTLA-4-Ig + UM, Δ P <0.05 vs CTLA-4-Ig.